| -rw-r--r-- | qtcompat/xml/qxml.cpp | 6087 |
1 files changed, 6087 insertions, 0 deletions
diff --git a/qtcompat/xml/qxml.cpp b/qtcompat/xml/qxml.cpp new file mode 100644 index 0000000..e65bc59 --- a/dev/null +++ b/qtcompat/xml/qxml.cpp @@ -0,0 +1,6087 @@ +/**************************************************************************** +** $Id$ +** +** Implementation of QXmlSimpleReader and related classes. +** +** Created : 000518 +** +** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. +** +** This file is part of the XML module of the Qt GUI Toolkit. +** +** This file may be distributed under the terms of the Q Public License +** as defined by Trolltech AS of Norway and appearing in the file +** LICENSE.QPL included in the packaging of this file. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition licenses may use this +** file in accordance with the Qt Commercial License Agreement provided +** with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** See http://www.trolltech.com/qpl/ for QPL licensing information. +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + + +/****************************************** + * DOM support is disabled in QT 2.3.7 for sharp zaurus. + * Because of that we copied the code from 2.3.7 into qtcompat and enabled it + * there. + * Copyright (c) 2004 Ulf Schenk + * + * $Id$ + ******************************************/ + +#define QT_XML_CPP +#include "qxml.h" +#include "qtextcodec.h" +#include "qbuffer.h" + +//US #ifndef QT_NO_XML +// NOT REVISED + +// Error strings for the XML reader +#define XMLERR_OK "no error occured" +#define XMLERR_TAGMISMATCH "tag mismatch" +#define XMLERR_UNEXPECTEDEOF "unexpected end of file" +#define XMLERR_FINISHEDPARSINGWHILENOTEOF "parsing is finished but end of file is not reached" +#define XMLERR_LETTEREXPECTED "letter is expected" +#define XMLERR_ERRORPARSINGELEMENT "error while parsing element" +#define XMLERR_ERRORPARSINGPROLOG "error while parsing prolog" +#define XMLERR_ERRORPARSINGMAINELEMENT "error while parsing main element" +#define XMLERR_ERRORPARSINGCONTENT "error while parsing content" +#define XMLERR_ERRORPARSINGNAME "error while parsing name" +#define XMLERR_ERRORPARSINGNMTOKEN "error while parsing Nmtoken" +#define XMLERR_ERRORPARSINGATTRIBUTE "error while parsing attribute" +#define XMLERR_ERRORPARSINGMISC "error while parsing misc" +#define XMLERR_ERRORPARSINGCHOICE "error while parsing choice or seq" +#define XMLERR_ERRORBYCONSUMER "error triggered by consumer" +#define XMLERR_UNEXPECTEDCHARACTER "unexpected character" +#define XMLERR_EQUALSIGNEXPECTED "expected '=' but not found" +#define XMLERR_QUOTATIONEXPECTED "expected \" or ' but not found" +#define XMLERR_ERRORPARSINGREFERENCE "error while parsing reference" +#define XMLERR_ERRORPARSINGPI "error while parsing processing instruction" +#define XMLERR_ERRORPARSINGATTLISTDECL "error while parsing attribute list declaration" +#define XMLERR_ERRORPARSINGATTTYPE "error while parsing attribute type declaration" +#define XMLERR_ERRORPARSINGATTVALUE "error while parsing attribute value declaration" +#define XMLERR_ERRORPARSINGELEMENTDECL "error while parsing element declaration" +#define XMLERR_ERRORPARSINGENTITYDECL "error while parsing entity declaration" +#define XMLERR_ERRORPARSINGNOTATIONDECL "error while parsing notation declaration" +#define XMLERR_ERRORPARSINGEXTERNALID "error while parsing external id" +#define XMLERR_ERRORPARSINGCOMMENT "error while parsing comment" +#define XMLERR_ERRORPARSINGENTITYVALUE "error while parsing entity value declaration" +#define XMLERR_CDSECTHEADEREXPECTED "expected the header for a cdata section" +#define XMLERR_MORETHANONEDOCTYPE "more than one document type definition" +#define XMLERR_ERRORPARSINGDOCTYPE "error while parsing document type definition" +#define XMLERR_INVALIDNAMEFORPI "invalid name for processing instruction" +#define XMLERR_VERSIONEXPECTED "version expected while reading the XML declaration" +#define XMLERR_EDECLORSDDECLEXPECTED "EDecl or SDDecl expected while reading the XML declaration" +#define XMLERR_SDDECLEXPECTED "SDDecl expected while reading the XML declaration" +#define XMLERR_WRONGVALUEFORSDECL "wrong value for standalone declaration" +#define XMLERR_UNPARSEDENTITYREFERENCE "unparsed entity reference in wrong context" +#define XMLERR_INTERNALGENERALENTITYINDTD "internal general entity reference not allowed in DTD" +#define XMLERR_EXTERNALGENERALENTITYINDTD "external parsed general entity reference not allowed in DTD" +#define XMLERR_EXTERNALGENERALENTITYINAV "external parsed general entity reference not allowed in attribute value" + + +// the constants for the lookup table +static const signed char cltWS = 0; // white space +static const signed char cltPer = 1; // % +static const signed char cltAmp = 2; // & +static const signed char cltGt = 3; // > +static const signed char cltLt = 4; // < +static const signed char cltSlash = 5; // / +static const signed char cltQm = 6; // ? +static const signed char cltEm = 7; // ! +static const signed char cltDash = 8; // - +static const signed char cltCB = 9; // ] +static const signed char cltOB = 10; // [ +static const signed char cltEq = 11; // = +static const signed char cltDq = 12; // " +static const signed char cltSq = 13; // ' +static const signed char cltUnknown = 14; + +// character lookup table +static const signed char charLookupTable[256]={ + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x00 - 0x07 + cltUnknown, // 0x08 + cltWS, // 0x09 \t + cltWS, // 0x0A \n + cltUnknown, // 0x0B + cltUnknown, // 0x0C + cltWS, // 0x0D \r + cltUnknown, // 0x0E + cltUnknown, // 0x0F + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x17 - 0x16 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x18 - 0x1F + cltWS, // 0x20 Space + cltEm, // 0x21 ! + cltDq, // 0x22 " + cltUnknown, // 0x23 + cltUnknown, // 0x24 + cltPer, // 0x25 % + cltAmp, // 0x26 & + cltSq, // 0x27 ' + cltUnknown, // 0x28 + cltUnknown, // 0x29 + cltUnknown, // 0x2A + cltUnknown, // 0x2B + cltUnknown, // 0x2C + cltDash, // 0x2D - + cltUnknown, // 0x2E + cltSlash, // 0x2F / + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x30 - 0x37 + cltUnknown, // 0x38 + cltUnknown, // 0x39 + cltUnknown, // 0x3A + cltUnknown, // 0x3B + cltLt, // 0x3C < + cltEq, // 0x3D = + cltGt, // 0x3E > + cltQm, // 0x3F ? + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x40 - 0x47 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x48 - 0x4F + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x50 - 0x57 + cltUnknown, // 0x58 + cltUnknown, // 0x59 + cltUnknown, // 0x5A + cltOB, // 0x5B [ + cltUnknown, // 0x5C + cltCB, // 0x5D ] + cltUnknown, // 0x5E + cltUnknown, // 0x5F + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x60 - 0x67 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x68 - 0x6F + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x70 - 0x77 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x78 - 0x7F + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x80 - 0x87 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x88 - 0x8F + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x90 - 0x97 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0x98 - 0x9F + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xA0 - 0xA7 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xA8 - 0xAF + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xB0 - 0xB7 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xB8 - 0xBF + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xC0 - 0xC7 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xC8 - 0xCF + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xD0 - 0xD7 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xD8 - 0xDF + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xE0 - 0xE7 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xE8 - 0xEF + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, // 0xF0 - 0xF7 + cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown, cltUnknown // 0xF8 - 0xFF +}; + + +class QXmlNamespaceSupportPrivate +{ +}; +class QXmlAttributesPrivate +{ +}; +class QXmlInputSourcePrivate +{ +}; +class QXmlParseExceptionPrivate +{ +}; +class QXmlLocatorPrivate +{ +}; +class QXmlDefaultHandlerPrivate +{ +}; + +#if defined(Q_FULL_TEMPLATE_INSTANTIATION) +bool operator==( const QMap<QString, QString>, const QMap<QString, QString> ) +{ + return FALSE; +} +#endif + +/*! + \class QXmlParseException qxml.h + \brief The QXmlParseException class is used to report errors with the + QXmlErrorHandler interface. + + \module XML + + \sa QXmlErrorHandler +*/ +/*! + \fn QXmlParseException::QXmlParseException( const QString& name, int c, int l, const QString& p, const QString& s ) + + Constructs a parse exception with the error string \a name in the column + \a c and line \a l for the public identifier \a p and the system identifier + \a s. +*/ +/*! + Returns the error message. +*/ +QString QXmlParseException::message() const +{ + return msg; +} +/*! + Returns the column number the error occured. +*/ +int QXmlParseException::columnNumber() const +{ + return column; +} +/*! + Returns the line number the error occured. +*/ +int QXmlParseException::lineNumber() const +{ + return line; +} +/*! + Returns the public identifier the error occured. +*/ +QString QXmlParseException::publicId() const +{ + return pub; +} +/*! + Returns the system identifier the error occured. +*/ +QString QXmlParseException::systemId() const +{ + return sys; +} + + +/*! + \class QXmlLocator qxml.h + \brief The QXmlLocator class provides the XML handler classes with + information about the actual parsing position. + + \module XML + + The reader reports a QXmlLocator to the content handler before he starts to + parse the document. This is done with the + QXmlContentHandler::setDocumentLocator() function. The handler classes can + now use this locator to get the actual position the reader is at. +*/ +/*! + \fn QXmlLocator::QXmlLocator( QXmlSimpleReader* parent ) + + Constructor. +*/ +/*! + \fn QXmlLocator::~QXmlLocator() + + Destructor. +*/ +/*! + Gets the column number (starting with 1) or -1 if there is no column number + available. +*/ +int QXmlLocator::columnNumber() +{ + return ( reader->columnNr == -1 ? -1 : reader->columnNr + 1 ); +} +/*! + Gets the line number (starting with 1) or -1 if there is no line number + available. +*/ +int QXmlLocator::lineNumber() +{ + return ( reader->lineNr == -1 ? -1 : reader->lineNr + 1 ); +} + + +/********************************************* + * + * QXmlNamespaceSupport + * + *********************************************/ + +/*! + \class QXmlNamespaceSupport qxml.h + \brief The QXmlNamespaceSupport class is a helper class for XML readers which + want to include namespace support. + + \module XML + + It provides some functions that makes it easy to handle namespaces. Its main + use is for subclasses of QXmlReader which want to provide namespace + support. + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. +*/ + +/*! + Constructs a QXmlNamespaceSupport. +*/ +QXmlNamespaceSupport::QXmlNamespaceSupport() +{ + reset(); +} + +/*! + Destructs a QXmlNamespaceSupport. +*/ +QXmlNamespaceSupport::~QXmlNamespaceSupport() +{ +} + +/*! + This function declares a prefix in the current namespace context; the prefix + will remain in force until this context is popped, unless it is shadowed in a + descendant context. + + Note that there is an asymmetry in this library: while prefix() will not + return the default "" prefix, even if you have declared one; to check for a + default prefix, you have to look it up explicitly using uri(). This + asymmetry exists to make it easier to look up prefixes for attribute names, + where the default prefix is not allowed. +*/ +void QXmlNamespaceSupport::setPrefix( const QString& pre, const QString& uri ) +{ + if( pre.isNull() ) { + ns.insert( "", uri ); + } else { + ns.insert( pre, uri ); + } +} + +/*! + Returns one of the prefixes mapped to a namespace URI. + + If more than one prefix is currently mapped to the same URI, this function + will make an arbitrary selection; if you want all of the prefixes, use the + prefixes() function instead. + + Note: this will never return the empty (default) prefix; to check for a + default prefix, use the uri() function with an argument of "". +*/ +QString QXmlNamespaceSupport::prefix( const QString& uri ) const +{ + QMap<QString, QString>::ConstIterator itc, it = ns.begin(); + while ( (itc=it) != ns.end() ) { + ++it; + if ( itc.data() == uri && !itc.key().isEmpty() ) + return itc.key(); + } + return ""; +} + +/*! + Looks up a prefix in the current context and returns the currently-mapped + namespace URI. Use the empty string ("") for the default namespace. +*/ +QString QXmlNamespaceSupport::uri( const QString& prefix ) const +{ + const QString& returi = ns[ prefix ]; + return returi; +} + +/*! + Splits the name at the ':' and returns the prefix and the local name. +*/ +void QXmlNamespaceSupport::splitName( const QString& qname, + QString& prefix, QString& localname ) const +{ + uint pos; + // search the ':' + for( pos=0; pos<qname.length(); pos++ ) { + if ( qname.at(pos) == ':' ) + break; + } + // and split + prefix = qname.left( pos ); + localname = qname.mid( pos+1 ); +} + +/*! + Processes a raw XML 1.0 name in the current context by removing the prefix + and looking it up among the prefixes currently declared. + + First parameter is the raw XML 1.0 name to be processed. The second parameter + is a flag wheter the name is the name of an attribute (TRUE) or not (FALSE). + + The return values will be stored in the last two parameters as follows: + <ul> + <li> The namespace URI, or an empty string if none is in use. + <li> The local name (without prefix). + </ul> + + If the raw name has a prefix that has not been declared, then the return + value will be empty. + + Note that attribute names are processed differently than element names: an + unprefixed element name will received the default namespace (if any), while + an unprefixed element name will not +*/ +void QXmlNamespaceSupport::processName( const QString& qname, + bool isAttribute, + QString& nsuri, QString& localname ) const +{ + uint pos; + // search the ':' + for( pos=0; pos<qname.length(); pos++ ) { + if ( qname.at(pos) == ':' ) + break; + } + if ( pos < qname.length() ) { + // there was a ':' + nsuri = uri( qname.left( pos ) ); + localname = qname.mid( pos+1 ); + } else { + // there was no ':' + if ( isAttribute ) { + nsuri = ""; // attributes don't take default namespace + } else { + nsuri = uri( "" ); // get default namespace + } + localname = qname; + } +} + +/*! + Returns an enumeration of all prefixes currently declared. + + Note: if there is a default prefix, it will not be returned in this + enumeration; check for the default prefix using uri() with an argument + of "". +*/ +QStringList QXmlNamespaceSupport::prefixes() const +{ + QStringList list; + + QMap<QString, QString>::ConstIterator itc, it = ns.begin(); + while ( (itc=it) != ns.end() ) { + ++it; + if ( !itc.key().isEmpty() ) + list.append( itc.key() ); + } + return list; +} + +/*! + Returns a list of all prefixes currently declared for a URI. + + The xml: prefix will be included. If you want only one prefix that's + mapped to the namespace URI, and you don't care which one you get, use the + prefix() function instead. + + Note: the empty (default) prefix is never included in this enumeration; to + check for the presence of a default namespace, use uri() with an + argument of "". +*/ +QStringList QXmlNamespaceSupport::prefixes( const QString& uri ) const +{ + QStringList list; + + QMap<QString, QString>::ConstIterator itc, it = ns.begin(); + while ( (itc=it) != ns.end() ) { + ++it; + if ( itc.data() == uri && !itc.key().isEmpty() ) + list.append( itc.key() ); + } + return list; +} + +/*! + Starts a new namespace context. + + Normally, you should push a new context at the beginning of each XML element: + the new context will automatically inherit the declarations of its parent + context, but it will also keep track of which declarations were made within + this context. +*/ +void QXmlNamespaceSupport::pushContext() +{ + nsStack.push( ns ); +} + +/*! + Reverts to the previous namespace context. + + Normally, you should pop the context at the end of each XML element. After + popping the context, all namespace prefix mappings that were previously in + force are restored. +*/ +void QXmlNamespaceSupport::popContext() +{ + if( !nsStack.isEmpty() ) + ns = nsStack.pop(); +} + +/*! + Resets this namespace support object for reuse. +*/ +void QXmlNamespaceSupport::reset() +{ + nsStack.clear(); + ns.clear(); + ns.insert( "xml", "http://www.w3.org/XML/1998/namespace" ); // the XML namespace +} + + + +/********************************************* + * + * QXmlAttributes + * + *********************************************/ + +/*! + \class QXmlAttributes qxml.h + \brief The QXmlAttributes class provides XML attributes. + + \module XML + + If attributes are reported by QXmlContentHandler::startElement() this + class is used to pass the attribute values. It provides you with different + functions to access the attribute names and values. +*/ +/*! + \fn QXmlAttributes::QXmlAttributes() + + Constructs an empty attribute list. +*/ +/*! + \fn QXmlAttributes::~QXmlAttributes() + + Destructs attributes. +*/ + +/*! + Look up the index of an attribute by an XML 1.0 qualified name. + + Returns the index of the attribute (starting with 0) or -1 if it wasn't + found. + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. +*/ +int QXmlAttributes::index( const QString& qName ) const +{ + return qnameList.findIndex( qName ); +} + +/*! + Looks up the index of an attribute by a namespace name. + + \a uri specifies the namespace URI, or the empty string if the name has no + namespace URI. \a localPart specifies the attribute's local name. + + Returns the index of the attribute (starting with 0) or -1 if it wasn't + found. + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. +*/ +int QXmlAttributes::index( const QString& uri, const QString& localPart ) const +{ + uint count = uriList.count(); + for ( uint i=0; i<count; i++ ) { + if ( uriList[i] == uri && localnameList[i] == localPart ) + return i; + } + return -1; +} + +/*! + Returns the number of attributes in the list. +*/ +int QXmlAttributes::length() const +{ + return valueList.count(); +} + +/*! + Looks up an attribute's local name by index (starting with 0). + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. +*/ +QString QXmlAttributes::localName( int index ) const +{ + return localnameList[index]; +} + +/*! + Looks up an attribute's XML 1.0 qualified name by index (starting with 0). + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. +*/ +QString QXmlAttributes::qName( int index ) const +{ + return qnameList[index]; +} + +/*! + Looks up an attribute's namespace URI by index (starting with 0). + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. +*/ +QString QXmlAttributes::uri( int index ) const +{ + return uriList[index]; +} + +/*! + Looks up an attribute's type by index (starting with 0). + + At the moment only 'CDATA' is returned. +*/ +QString QXmlAttributes::type( int ) const +{ + return "CDATA"; +} + +/*! + Looks up an attribute's type by XML 1.0 qualified name. + + At the moment only 'CDATA' is returned. +*/ +QString QXmlAttributes::type( const QString& ) const +{ + return "CDATA"; +} + +/*! + Looks up an attribute's type by namespace name. + + The first parameter specifies the namespace URI, or the empty string if + the name has no namespace URI. The second parameter specifies the + attribute's local name. + + At the moment only 'CDATA' is returned. +*/ +QString QXmlAttributes::type( const QString&, const QString& ) const +{ + return "CDATA"; +} + +/*! + Looks up an attribute's value by index (starting with 0). +*/ +QString QXmlAttributes::value( int index ) const +{ + return valueList[index]; +} + +/*! + Looks up an attribute's value by XML 1.0 qualified name. + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. +*/ +QString QXmlAttributes::value( const QString& qName ) const +{ + int i = index( qName ); + if ( i == -1 ) + return QString::null; + return valueList[ i ]; +} + +/*! + Looks up an attribute's value by namespace name. + + \a uri specifies the namespace URI, or the empty string if the name has no + namespace URI. \a localName specifies the attribute's local name. + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. +*/ +QString QXmlAttributes::value( const QString& uri, const QString& localName ) const +{ + int i = index( uri, localName ); + if ( i == -1 ) + return QString::null; + return valueList[ i ]; +} + + +/********************************************* + * + * QXmlInputSource + * + *********************************************/ + +/*! + \class QXmlInputSource qxml.h + \brief The QXmlInputSource class is the source where XML data is read from. + + \module XML + + All subclasses of QXmlReader read the input from this class. +*/ + +/*! + Returns all the data this input source contains. +*/ +const QString& QXmlInputSource::data() const +{ + return input; +} + +/*! + Constructs a input source which contains no data. +*/ +QXmlInputSource::QXmlInputSource( ) +{ + input = ""; +} + +/*! + Constructs a input source and get the data from the text stream. +*/ +QXmlInputSource::QXmlInputSource( QTextStream& stream ) +{ + QByteArray rawData; + if ( stream.device()->isDirectAccess() ) { + rawData = stream.device()->readAll(); + } else { + int nread = 0; + const int bufsize = 512; + while ( !stream.device()->atEnd() ) { + rawData.resize( nread + bufsize ); + nread += stream.device()->readBlock( rawData.data()+nread, bufsize ); + } + rawData.resize( nread ); + } + readInput( rawData ); +} + +/*! + Constructs a input source and get the data from a file. If the file cannot be + read the input source is empty. +*/ +QXmlInputSource::QXmlInputSource( QFile& file ) +{ + if ( !file.open(IO_ReadOnly) ) { + input = ""; + return; + } + QByteArray rawData = file.readAll(); + readInput( rawData ); + file.close(); +} + +/*! + Destructor. +*/ +QXmlInputSource::~QXmlInputSource() +{ +} + +/*! + Sets the data of the input source to \a dat. +*/ +void QXmlInputSource::setData( const QString& dat ) +{ + input = dat; +} + +/*! + Read the XML file from the byte array; try to recoginize the encoding. +*/ +// ### The input source should not do the encoding detection! +void QXmlInputSource::readInput( QByteArray& rawData ) +{ + QBuffer buf( rawData ); + buf.open( IO_ReadOnly ); + QTextStream *stream = new QTextStream( &buf ); + QChar tmp; + // assume UTF8 or UTF16 at first + stream->setEncoding( QTextStream::UnicodeUTF8 ); + input = ""; + // read the first 5 characters + for ( int i=0; i<5; i++ ) { + *stream >> tmp; + input += tmp; + } + // starts the document with an XML declaration? + if ( input == "<?xml" ) { + // read the whole XML declaration + do { + *stream >> tmp; + input += tmp; + } while( tmp != '>' ); + // and try to find out if there is an encoding + int pos = input.find( "encoding" ); + if ( pos != -1 ) { + QString encoding; + do { + pos++; + if ( pos > (int)input.length() ) + goto finished; + } while( input[pos] != '"' && input[pos] != '\'' ); + pos++; + while( input[pos] != '"' && input[pos] != '\'' ) { + encoding += input[pos]; + pos++; + if ( pos > (int)input.length() ) + goto finished; + } + delete stream; + stream = new QTextStream( &buf ); + stream->setCodec( QTextCodec::codecForName( encoding ) ); + buf.reset(); + input = ""; + } + } +finished: + input += stream->read(); + delete stream; + buf.close(); +} + + +/********************************************* + * + * QXmlDefaultHandler + * + *********************************************/ + +/*! + \class QXmlContentHandler qxml.h + \brief The QXmlContentHandler class provides an interface to report logical + content of XML data. + + \module XML + + If the application needs to be informed of basic parsing events, it + implements this interface and sets it with QXmlReader::setContentHandler(). + The reader reports basic document-related events like the start and end of + elements and character data through this interface. + + The order of events in this interface is very important, and mirrors the + order of information in the document itself. For example, all of an element's + content (character data, processing instructions, and/or subelements) will + appear, in order, between the startElement() event and the corresponding + endElement() event. + + The class QXmlDefaultHandler gives a default implementation for this + interface; subclassing from this class is very convenient if you want only be + informed of some parsing events. + + See also the <a href="xml.html#introSAX2">Introduction to SAX2</a>. + + \sa QXmlDTDHandler QXmlDeclHandler QXmlEntityResolver QXmlErrorHandler + QXmlLexicalHandler +*/ +/*! + \fn void QXmlContentHandler::setDocumentLocator( QXmlLocator* locator ) + + The reader calls this function before he starts parsing the document. The + argument \a locator is a pointer to a QXmlLocator which allows the + application to get the actual position of the parsing in the document. + + Do not destroy the \a locator; it is destroyed when the reader is destroyed + (do not use the \a locator after the reader got destroyed). +*/ +/*! + \fn bool QXmlContentHandler::startDocument() + + The reader calls this function when he starts parsing the document. + The reader will call this function only once before any other functions in + this class or in the QXmlDTDHandler class are called (except + QXmlContentHandler::setDocumentLocator()). + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + \sa endDocument() +*/ +/*! + \fn bool QXmlContentHandler::endDocument() + + The reader calls this function after he has finished the parsing. It + is only called once. It is the last function of all handler functions that is + called. It is called after the reader has read all input or has abandoned + parsing because of a fatal error. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + \sa startDocument() +*/ +/*! + \fn bool QXmlContentHandler::startPrefixMapping( const QString& prefix, const QString& uri ) + + The reader calls this function to signal the begin of a prefix-URI + namespace mapping scope. This information is not necessary for normal + namespace processing since the reader automatically replaces prefixes for + element and attribute names. + + Note that startPrefixMapping and endPrefixMapping calls are not guaranteed to + be properly nested relative to each-other: all startPrefixMapping events will + occur before the corresponding startElement event, and all endPrefixMapping + events will occur after the corresponding endElement event, but their order + is not otherwise guaranteed. + + The argument \a prefix is the namespace prefix being declared and the + argument \a uri is the namespace URI the prefix is mapped to. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. + + \sa endPrefixMapping() +*/ +/*! + \fn bool QXmlContentHandler::endPrefixMapping( const QString& prefix ) + + The reader calls this function to signal the end of a prefix mapping. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. + + \sa startPrefixMapping() +*/ +/*! + \fn bool QXmlContentHandler::startElement( const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts ) + + The reader calls this function when he has parsed a start element tag. + + There will be a corresponding endElement() call when the corresponding end + element tag was read. The startElement() and endElement() calls are always + nested correctly. Empty element tags (e.g. <a/>) are reported by + startElement() directly followed by a call to endElement(). + + The attribute list provided will contain only attributes with explicit + values. The attribute list will contain attributes used for namespace + declaration (i.e. attributes starting with xmlns) only if the + namespace-prefix property of the reader is TRUE. + + The argument \a uri is the namespace URI, or the empty string if the element + has no namespace URI or if namespace processing is not being performed, \a + localName is the local name (without prefix), or the empty string if + namespace processing is not being performed, \a qName is the qualified name + (with prefix), or the empty string if qualified names are not available and + \a atts are the attributes attached to the element. If there are no + attributes, \a atts is an empty attributes object + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. + + \sa endElement() +*/ +/*! + \fn bool QXmlContentHandler::endElement( const QString& namespaceURI, const QString& localName, const QString& qName ) + + The reader calls this function when he has parsed an end element tag. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + See also the <a href="xml-sax.html#namespaces">namespace description</a>. + + \sa startElement() +*/ +/*! + \fn bool QXmlContentHandler::characters( const QString& ch ) + + The reader calls this function when he has parsed a chunk of character + data (either normal character data or character data inside a CDATA section; + if you have to distinguish between those two types you have to use + QXmlLexicalHandler::startCDATA() and QXmlLexicalHandler::endCDATA() in + addition). + + Some readers will report whitespace in element content using the + ignorableWhitespace() function rather than this one (QXmlSimpleReader will + do it not though). + + A reader is allowed to report the character data of an element in more than + one chunk; e.g. a reader might want to report "a &lt; b" in three + characters() events ("a ", "<" and " b"). + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn bool QXmlContentHandler::ignorableWhitespace( const QString& ch ) + + Some readers may use this function to report each chunk of whitespace in + element content (QXmlSimpleReader does not though). + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn bool QXmlContentHandler::processingInstruction( const QString& target, const QString& data ) + + The reader calls this function when he has parsed a processing + instruction. + + \a target is the target name of the processing instruction and \a data is the + data of the processing instruction. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn bool QXmlContentHandler::skippedEntity( const QString& name ) + + Some readers may skip entities if they have not seen the declarations (e.g. + because they are in an external DTD). If they do so they will report it by + calling this function. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn QString QXmlContentHandler::errorString() + + The reader calls this function to get an error string if any of the handler + functions returns FALSE to him. +*/ + + +/*! + \class QXmlErrorHandler qxml.h + \brief The QXmlErrorHandler class provides an interface to report errors in + XML data. + + \module XML + + If the application is interested in reporting errors to the user or any other + customized error handling, you should subclass this class. + + You can set the error handler with QXmlReader::setErrorHandler(). + + See also the <a href="xml.html#introSAX2">Introduction to SAX2</a>. + + \sa QXmlDTDHandler QXmlDeclHandler QXmlContentHandler QXmlEntityResolver + QXmlLexicalHandler +*/ +/*! + \fn bool QXmlErrorHandler::warning( const QXmlParseException& exception ) + + A reader might use this function to report a warning. Warnings are conditions + that are not errors or fatal errors as defined by the XML 1.0 specification. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn bool QXmlErrorHandler::error( const QXmlParseException& exception ) + + A reader might use this function to report a recoverable error. A recoverable + error corresponds to the definiton of "error" in section 1.2 of the XML 1.0 + specification. + + The reader must continue to provide normal parsing events after invoking this + function. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn bool QXmlErrorHandler::fatalError( const QXmlParseException& exception ) + + A reader must use this function to report a non-recoverable error. + + If this function returns TRUE the reader might try to go on parsing and + reporting further errors; but no regular parsing events are reported. +*/ +/*! + \fn QString QXmlErrorHandler::errorString() + + The reader calls this function to get an error string if any of the handler + functions returns FALSE to him. +*/ + + +/*! + \class QXmlDTDHandler qxml.h + \brief The QXmlDTDHandler class provides an interface to report DTD content + of XML data. + + \module XML + + If an application needs information about notations and unparsed entities, + then the application implements this interface and registers an instance with + QXmlReader::setDTDHandler(). + + Note that this interface includes only those DTD events that the XML + recommendation requires processors to report: notation and unparsed entity + declarations. + + See also the <a href="xml.html#introSAX2">Introduction to SAX2</a>. + + \sa QXmlDeclHandler QXmlContentHandler QXmlEntityResolver QXmlErrorHandler + QXmlLexicalHandler +*/ +/*! + \fn bool QXmlDTDHandler::notationDecl( const QString& name, const QString& publicId, const QString& systemId ) + + The reader calls this function when he has parsed a notation + declaration. + + The argument \a name is the notation name, \a publicId is the notations's + public identifier and \a systemId is the notations's system identifier. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn bool QXmlDTDHandler::unparsedEntityDecl( const QString& name, const QString& publicId, const QString& systemId, const QString& notationName ) + + The reader calls this function when he finds an unparsed entity declaration. + + The argument \a name is the unparsed entity's name, \a publicId is the + entity's public identifier, \a systemId is the entity's system identifier and + \a notation is the name of the associated notation. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn QString QXmlDTDHandler::errorString() + + The reader calls this function to get an error string if any of the handler + functions returns FALSE to him. +*/ + + +/*! + \class QXmlEntityResolver qxml.h + \brief The QXmlEntityResolver class provides an interface to resolve extern + entities contained in XML data. + + \module XML + + If an application needs to implement customized handling for external + entities, it must implement this interface and register it with + QXmlReader::setEntityResolver(). + + See also the <a href="xml.html#introSAX2">Introduction to SAX2</a>. + + \sa QXmlDTDHandler QXmlDeclHandler QXmlContentHandler QXmlErrorHandler + QXmlLexicalHandler +*/ +/*! + \fn bool QXmlEntityResolver::resolveEntity( const QString& publicId, const QString& systemId, QXmlInputSource* ret ) + + The reader will call this function before he opens any external entity, + except the top-level document entity. The application may request the reader + to resolve the entity itself (\a ret is 0) or to use an entirely different + input source (\a ret points to the input source). + + The reader will delete the input source \a ret when he no longer needs it. So + you should allocate it on the heap with \c new. + + The argument \a publicId is the public identifier of the external entity, \a + systemId is the system identifier of the external entity and \a ret is the + return value of this function: if it is 0 the reader should resolve the + entity itself, if it is non-zero it must point to an input source which the + reader will use instead. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn QString QXmlEntityResolver::errorString() + + The reader calls this function to get an error string if any of the handler + functions returns FALSE to him. +*/ + + +/*! + \class QXmlLexicalHandler qxml.h + \brief The QXmlLexicalHandler class provides an interface to report lexical + content of XML data. + + \module XML + + The events in the lexical handler apply to the entire document, not just to + the document element, and all lexical handler events appear between the + content handler's startDocument and endDocument events. + + You can set the lexical handler with QXmlReader::setLexicalHandler(). + + This interface is designed after the SAX2 extension LexicalHandler. The + functions startEntity() and endEntity() are not included though. + + See also the <a href="xml.html#introSAX2">Introduction to SAX2</a>. + + \sa QXmlDTDHandler QXmlDeclHandler QXmlContentHandler QXmlEntityResolver + QXmlErrorHandler +*/ +/*! + \fn bool QXmlLexicalHandler::startDTD( const QString& name, const QString& publicId, const QString& systemId ) + + The reader calls this function to report the start of a DTD declaration, if + any. + + All declarations reported through QXmlDTDHandler or QXmlDeclHandler appear + between the startDTD() and endDTD() calls. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + \sa endDTD() +*/ +/*! + \fn bool QXmlLexicalHandler::endDTD() + + The reader calls this function to report the end of a DTD declaration, if + any. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + \sa startDTD() +*/ +/*! + \fn bool QXmlLexicalHandler::startCDATA() + + The reader calls this function to report the start of a CDATA section. The + content of the CDATA section will be reported through the regular + QXmlContentHandler::characters(). This function is intended only to report + the boundary. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + \sa endCDATA() +*/ +/*! + \fn bool QXmlLexicalHandler::endCDATA() + + The reader calls this function to report the end of a CDATA section. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. + + \sa startCDATA() +*/ +/*! + \fn bool QXmlLexicalHandler::comment( const QString& ch ) + + The reader calls this function to report an XML comment anywhere in the + document. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn QString QXmlLexicalHandler::errorString() + + The reader calls this function to get an error string if any of the handler + functions returns FALSE to him. +*/ + + +/*! + \class QXmlDeclHandler qxml.h + \brief The QXmlDeclHandler class provides an interface to report declaration + content of XML data. + + \module XML + + You can set the declaration handler with QXmlReader::setDeclHandler(). + + This interface is designed after the SAX2 extension DeclHandler. + + See also the <a href="xml.html#introSAX2">Introduction to SAX2</a>. + + \sa QXmlDTDHandler QXmlContentHandler QXmlEntityResolver QXmlErrorHandler + QXmlLexicalHandler +*/ +/*! + \fn bool QXmlDeclHandler::attributeDecl( const QString& eName, const QString& aName, const QString& type, const QString& valueDefault, const QString& value ) + + The reader calls this function to report an attribute type declaration. Only + the effective (first) declaration for an attribute will be reported. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn bool QXmlDeclHandler::internalEntityDecl( const QString& name, const QString& value ) + + The reader calls this function to report an internal entity declaration. Only + the effective (first) declaration will be reported. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn bool QXmlDeclHandler::externalEntityDecl( const QString& name, const QString& publicId, const QString& systemId ) + + The reader calls this function to report a parsed external entity + declaration. Only the effective (first) declaration for each entity will be + reported. + + If this function returns FALSE the reader will stop parsing and will report + an error. The reader will use the function errorString() to get the error + message that will be used for reporting the error. +*/ +/*! + \fn QString QXmlDeclHandler::errorString() + + The reader calls this function to get an error string if any of the handler + functions returns FALSE to him. +*/ + + +/*! + \class QXmlDefaultHandler qxml.h + \brief The QXmlDefaultHandler class provides a default implementation of all + XML handler classes. + + \module XML + + Very often you are only interested in parts of the things that that the + reader reports to you. This class simply implements a default behaviour of + the handler classes (most of the time: do nothing). Normally this is the + class you subclass for implementing your customized handler. + + See also the <a href="xml.html#introSAX2">Introduction to SAX2</a>. + + \sa QXmlDTDHandler QXmlDeclHandler QXmlContentHandler QXmlEntityResolver + QXmlErrorHandler QXmlLexicalHandler +*/ +/*! + \fn QXmlDefaultHandler::QXmlDefaultHandler() + + Constructor. +*/ +/*! + \fn QXmlDefaultHandler::~QXmlDefaultHandler() + + Destructor. +*/ + +/*! + Does nothing. +*/ +void QXmlDefaultHandler::setDocumentLocator( QXmlLocator* ) +{ +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::startDocument() +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::endDocument() +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::startPrefixMapping( const QString&, const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::endPrefixMapping( const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::startElement( const QString&, const QString&, + const QString&, const QXmlAttributes& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::endElement( const QString&, const QString&, + const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::characters( const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::ignorableWhitespace( const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::processingInstruction( const QString&, + const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::skippedEntity( const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::warning( const QXmlParseException& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::error( const QXmlParseException& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::fatalError( const QXmlParseException& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::notationDecl( const QString&, const QString&, + const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::unparsedEntityDecl( const QString&, const QString&, + const QString&, const QString& ) +{ + return TRUE; +} + +/*! + Always sets \a ret to 0, so that the reader will use the system identifier + provided in the XML document. +*/ +bool QXmlDefaultHandler::resolveEntity( const QString&, const QString&, + QXmlInputSource* /* ret */ ) +{ +/* ### This doesn't set anything to 0! + ret = 0; +*/ + return TRUE; +} + +/*! + Returns the default error string. +*/ +QString QXmlDefaultHandler::errorString() +{ + return QString( XMLERR_ERRORBYCONSUMER ); +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::startDTD( const QString&, const QString&, const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::endDTD() +{ + return TRUE; +} + +#if 0 +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::startEntity( const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::endEntity( const QString& ) +{ + return TRUE; +} +#endif + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::startCDATA() +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::endCDATA() +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::comment( const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::attributeDecl( const QString&, const QString&, const QString&, const QString&, const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::internalEntityDecl( const QString&, const QString& ) +{ + return TRUE; +} + +/*! + Does nothing. +*/ +bool QXmlDefaultHandler::externalEntityDecl( const QString&, const QString&, const QString& ) +{ + return TRUE; +} + + +/********************************************* + * + * QXmlSimpleReaderPrivate + * + *********************************************/ + +class QXmlSimpleReaderPrivate +{ +private: + // constructor + QXmlSimpleReaderPrivate() + { } + + + // used for entity declarations + struct ExternParameterEntity + { + ExternParameterEntity( ) {} + ExternParameterEntity( const QString &p, const QString &s ) + : publicId(p), systemId(s) {} + QString publicId; + QString systemId; + }; + struct ExternEntity + { + ExternEntity( ) {} + ExternEntity( const QString &p, const QString &s, const QString &n ) + : publicId(p), systemId(s), notation(n) {} + QString publicId; + QString systemId; + QString notation; + }; + QMap<QString,ExternParameterEntity> externParameterEntities; + QMap<QString,QString> parameterEntities; + QMap<QString,ExternEntity> externEntities; + QMap<QString,QString> entities; + + // used for standalone declaration + enum Standalone { Yes, No, Unknown }; + + QString doctype; // only used for the doctype + QString xmlVersion; // only used to store the version information + QString encoding; // only used to store the encoding + Standalone standalone; // used to store the value of the standalone declaration + + QString publicId; // used by parseExternalID() to store the public ID + QString systemId; // used by parseExternalID() to store the system ID + QString attDeclEName; // use by parseAttlistDecl() + QString attDeclAName; // use by parseAttlistDecl() + + // flags for some features support + bool useNamespaces; + bool useNamespacePrefixes; + bool reportWhitespaceCharData; + bool reportEntities; + + // used to build the attribute list + QXmlAttributes attList; + + // helper classes + QXmlLocator *locator; + QXmlNamespaceSupport namespaceSupport; + + // error string + QString error; + + // friend declarations + friend class QXmlSimpleReader; +}; + + +/********************************************* + * + * QXmlSimpleReader + * + *********************************************/ + +/*! + \class QXmlReader qxml.h + \brief The QXmlReader class provides an interface for XML readers (i.e. + parsers). + + \module XML + + This abstract class describes an interface for all XML readers in Qt. At the + moment there is only one implementation of a reader included in the XML + module of Qt (QXmlSimpleReader). In future releases there might be more + readers with different properties available (e.g. a validating parser). + + The design of the XML classes follow the + <a href="http://www.megginson.com/SAX/">SAX2 java interface</a>. + It was adopted to fit into the Qt naming conventions; so it should be very + easy for anybody who has worked with SAX2 to get started with the Qt XML + classes. + + All readers use the class QXmlInputSource to read the input document from. + Since you are normally interested in certain contents of the XML document, + the reader reports those contents through special handler classes + (QXmlDTDHandler, QXmlDeclHandler, QXmlContentHandler, QXmlEntityResolver, + QXmlErrorHandler and QXmlLexicalHandler). + + You have to subclass these classes. Since the handler classes describe only + interfaces you must implement all functions; there is a class + (QXmlDefaultHandler) to make this easier; it implements a default behaviour + (do nothing) for all functions. + + For getting started see also the + <a href="xml-sax.html#quickStart">Quick start</a>. + + \sa QXmlSimpleReader +*/ +/*! + \fn bool QXmlReader::feature( const QString& name, bool *ok ) const + + If the reader has the feature \a name, this function returns the value of the + feature. + + If the reader has not the feature \a name, the return value may be anything. + + If \a ok is not 0, then \a ok is set to TRUE if the reader has the feature + \a name, otherwise \a ok is set to FALSE. + + \sa setFeature() hasFeature() +*/ +/*! + \fn void QXmlReader::setFeature( const QString& name, bool value ) + + Sets the feature \a name to \a value. If the reader has not the feature \a + name, this value is ignored. + + \sa feature() hasFeature() +*/ +/*! + \fn bool QXmlReader::hasFeature( const QString& name ) const + + Returns \c TRUE if the reader has the feature \a name, otherwise FALSE. + + \sa feature() setFeature() +*/ +/*! + \fn void* QXmlReader::property( const QString& name, bool *ok ) const + + If the reader has the property \a name, this function returns the value of + the property. + + If the reader has not the property \a name, the return value is 0. + + If \a ok is not 0, then \a ok is set to TRUE if the reader has the property + \a name, otherwise \a ok is set to FALSE. + + \sa setProperty() hasProperty() +*/ +/*! + \fn void QXmlReader::setProperty( const QString& name, void* value ) + + Sets the property \a name to \a value. If the reader has not the property \a + name, this value is ignored. + + \sa property() hasProperty() +*/ +/*! + \fn bool QXmlReader::hasProperty( const QString& name ) const + + Returns TRUE if the reader has the property \a name, otherwise FALSE. + + \sa property() setProperty() +*/ +/*! + \fn void QXmlReader::setEntityResolver( QXmlEntityResolver* handler ) + + Sets the entity resolver to \a handler. + + \sa entityResolver() +*/ +/*! + \fn QXmlEntityResolver* QXmlReader::entityResolver() const + + Returns the entity resolver or 0 if none was set. + + \sa setEntityResolver() +*/ +/*! + \fn void QXmlReader::setDTDHandler( QXmlDTDHandler* handler ) + + Sets the DTD handler to \a handler. + + \sa DTDHandler() +*/ +/*! + \fn QXmlDTDHandler* QXmlReader::DTDHandler() const + + Returns the DTD handler or 0 if none was set. + + \sa setDTDHandler() +*/ +/*! + \fn void QXmlReader::setContentHandler( QXmlContentHandler* handler ) + + Sets the content handler to \a handler. + + \sa contentHandler() +*/ +/*! + \fn QXmlContentHandler* QXmlReader::contentHandler() const + + Returns the content handler or 0 if none was set. + + \sa setContentHandler() +*/ +/*! + \fn void QXmlReader::setErrorHandler( QXmlErrorHandler* handler ) + + Sets the error handler to \a handler. + + \sa errorHandler() +*/ +/*! + \fn QXmlErrorHandler* QXmlReader::errorHandler() const + + Returns the error handler or 0 if none was set + + \sa setErrorHandler() +*/ +/*! + \fn void QXmlReader::setLexicalHandler( QXmlLexicalHandler* handler ) + + Sets the lexical handler to \a handler. + + \sa lexicalHandler() +*/ +/*! + \fn QXmlLexicalHandler* QXmlReader::lexicalHandler() const + + Returns the lexical handler or 0 if none was set. + + \sa setLexicalHandler() +*/ +/*! + \fn void QXmlReader::setDeclHandler( QXmlDeclHandler* handler ) + + Sets the declaration handler to \a handler. + + \sa declHandler() +*/ +/*! + \fn QXmlDeclHandler* QXmlReader::declHandler() const + + Returns the declaration handler or 0 if none was set. + + \sa setDeclHandler() +*/ +/*! + \fn bool QXmlReader::parse( const QXmlInputSource& input ) + + Parses the XML document \a input. Returns TRUE if the parsing was successful, + otherwise FALSE. +*/ +/*! + \fn bool QXmlReader::parse( const QString& systemId ) + + Parses the XML document at the location \a systemId. Returns TRUE if the + parsing was successful, otherwise FALSE. +*/ + + +/*! + \class QXmlSimpleReader qxml.h + \brief The QXmlSimpleReader class provides an implementation of a simple XML + reader (i.e. parser). + + \module XML + + This XML reader is sufficient for simple parsing tasks. Here is a short list + of the properties of this reader: + <ul> + <li> well-formed parser + <li> does not parse any external entities + <li> can do namespace processing + </ul> + + For getting started see also the + <a href="xml-sax.html#quickStart">Quick start</a>. +*/ + +//guaranteed not to be a characater +const QChar QXmlSimpleReader::QEOF = QChar((ushort)0xffff); + +/*! + Constructs a simple XML reader. +*/ +QXmlSimpleReader::QXmlSimpleReader() +{ + d = new QXmlSimpleReaderPrivate(); + d->locator = new QXmlLocator( this ); + + entityRes = 0; + dtdHnd = 0; + contentHnd = 0; + errorHnd = 0; + lexicalHnd = 0; + declHnd = 0; + + // default feature settings + d->useNamespaces = TRUE; + d->useNamespacePrefixes = FALSE; + d->reportWhitespaceCharData = TRUE; + d->reportEntities = FALSE; +} + +/*! + Destroys a simple XML reader. +*/ +QXmlSimpleReader::~QXmlSimpleReader() +{ + delete d->locator; + delete d; +} + +/*! + Gets the state of a feature. + + \sa setFeature() hasFeature() +*/ +bool QXmlSimpleReader::feature( const QString& name, bool *ok ) const +{ + if ( ok != 0 ) + *ok = TRUE; + if ( name == "http://xml.org/sax/features/namespaces" ) { + return d->useNamespaces; + } else if ( name == "http://xml.org/sax/features/namespace-prefixes" ) { + return d->useNamespacePrefixes; + } else if ( name == "http://trolltech.com/xml/features/report-whitespace-only-CharData" ) { + return d->reportWhitespaceCharData; + } else if ( name == "http://trolltech.com/xml/features/report-start-end-entity" ) { + return d->reportEntities; + } else { + qWarning( "Unknown feature " + name ); + if ( ok != 0 ) + *ok = FALSE; + } + return FALSE; +} + +/*! + Sets the state of a feature. + + Supported features are: + <ul> + <li> http://xml.org/sax/features/namespaces: + if this feature is TRUE, namespace processing is performed + <li> http://xml.org/sax/features/namespace-prefixes: + if this feature is TRUE, the the original prefixed names and attributes + used for namespace declarations are reported + <li> http://trolltech.com/xml/features/report-whitespace-only-CharData: + if this feature is TRUE, CharData that consists only of whitespace (and + no other characters) is not reported via + QXmlContentHandler::characters() + </ul> + + \sa feature() hasFeature() +*/ +void QXmlSimpleReader::setFeature( const QString& name, bool value ) +{ + if ( name == "http://xml.org/sax/features/namespaces" ) { + d->useNamespaces = value; + } else if ( name == "http://xml.org/sax/features/namespace-prefixes" ) { + d->useNamespacePrefixes = value; + } else if ( name == "http://trolltech.com/xml/features/report-whitespace-only-CharData" ) { + d->reportWhitespaceCharData = value; + } else if ( name == "http://trolltech.com/xml/features/report-start-end-entity" ) { + d->reportEntities = value; + } else { + qWarning( "Unknown feature " + name ); + } +} + +/*! + Returns TRUE if the class has a feature named \a feature, otherwise FALSE. + + \sa setFeature() feature() +*/ +bool QXmlSimpleReader::hasFeature( const QString& name ) const +{ + if ( name == "http://xml.org/sax/features/namespaces" || + name == "http://xml.org/sax/features/namespace-prefixes" || + name == "http://trolltech.com/xml/features/report-whitespace-only-CharData" ) { + return TRUE; + } else { + return FALSE; + } +} + +/*! + Returns 0 since this class does not support any properties. +*/ +void* QXmlSimpleReader::property( const QString&, bool *ok ) const +{ + if ( ok != 0 ) + *ok = FALSE; + return 0; +} + +/*! + Does nothing since this class does not support any properties. +*/ +void QXmlSimpleReader::setProperty( const QString&, void* ) +{ +} + +/*! + Returns FALSE since this class does not support any properties. +*/ +bool QXmlSimpleReader::hasProperty( const QString& ) const +{ + return FALSE; +} + +/*! \reimp */ +void QXmlSimpleReader::setEntityResolver( QXmlEntityResolver* handler ) +{ entityRes = handler; } + +/*! \reimp */ +QXmlEntityResolver* QXmlSimpleReader::entityResolver() const +{ return entityRes; } + +/*! \reimp */ +void QXmlSimpleReader::setDTDHandler( QXmlDTDHandler* handler ) +{ dtdHnd = handler; } + +/*! \reimp */ +QXmlDTDHandler* QXmlSimpleReader::DTDHandler() const +{ return dtdHnd; } + +/*! \reimp */ +void QXmlSimpleReader::setContentHandler( QXmlContentHandler* handler ) +{ contentHnd = handler; } + +/*! \reimp */ +QXmlContentHandler* QXmlSimpleReader::contentHandler() const +{ return contentHnd; } + +/*! \reimp */ +void QXmlSimpleReader::setErrorHandler( QXmlErrorHandler* handler ) +{ errorHnd = handler; } + +/*! \reimp */ +QXmlErrorHandler* QXmlSimpleReader::errorHandler() const +{ return errorHnd; } + +/*! \reimp */ +void QXmlSimpleReader::setLexicalHandler( QXmlLexicalHandler* handler ) +{ lexicalHnd = handler; } + +/*! \reimp */ +QXmlLexicalHandler* QXmlSimpleReader::lexicalHandler() const +{ return lexicalHnd; } + +/*! \reimp */ +void QXmlSimpleReader::setDeclHandler( QXmlDeclHandler* handler ) +{ declHnd = handler; } + +/*! \reimp */ +QXmlDeclHandler* QXmlSimpleReader::declHandler() const +{ return declHnd; } + + + +/*! \reimp */ +bool QXmlSimpleReader::parse( const QXmlInputSource& input ) +{ + init( input ); + // call the handler + if ( contentHnd ) { + contentHnd->setDocumentLocator( d->locator ); + if ( !contentHnd->startDocument() ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + // parse prolog + if ( !parseProlog() ) { + d->error = XMLERR_ERRORPARSINGPROLOG; + goto parseError; + } + // parse element + if ( !parseElement() ) { + d->error = XMLERR_ERRORPARSINGMAINELEMENT; + goto parseError; + } + // parse Misc* + while ( !atEnd() ) { + if ( !parseMisc() ) { + d->error = XMLERR_ERRORPARSINGMISC; + goto parseError; + } + } + // is stack empty? + if ( !tags.isEmpty() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + // call the handler + if ( contentHnd ) { + if ( !contentHnd->endDocument() ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + + return TRUE; + + // error handling + +parseError: + reportParseError(); + tags.clear(); + return FALSE; +} + +/*! + Parses the prolog [22]. +*/ +bool QXmlSimpleReader::parseProlog() +{ + bool xmldecl_possible = TRUE; + bool doctype_read = FALSE; + + const signed char Init = 0; + const signed char EatWS = 1; // eat white spaces + const signed char Lt = 2; // '<' read + const signed char Em = 3; // '!' read + const signed char DocType = 4; // read doctype + const signed char Comment = 5; // read comment + const signed char PI = 6; // read PI + const signed char Done = 7; + + const signed char InpWs = 0; + const signed char InpLt = 1; // < + const signed char InpQm = 2; // ? + const signed char InpEm = 3; // ! + const signed char InpD = 4; // D + const signed char InpDash = 5; // - + const signed char InpUnknown = 6; + + // use some kind of state machine for parsing + static const signed char table[7][7] = { + /* InpWs InpLt InpQm InpEm InpD InpDash InpUnknown */ + { EatWS, Lt, -1, -1, -1, -1, -1 }, // Init + { -1, Lt, -1, -1, -1, -1, -1 }, // EatWS + { -1, -1, PI, Em, Done, -1, Done }, // Lt + { -1, -1, -1, -1, DocType, Comment, -1 }, // Em + { EatWS, Lt, -1, -1, -1, -1, -1 }, // DocType + { EatWS, Lt, -1, -1, -1, -1, -1 }, // Comment + { EatWS, Lt, -1, -1, -1, -1, -1 } // PI + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // read input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == '<' ) { + input = InpLt; + } else if ( c == '?' ) { + input = InpQm; + } else if ( c == '!' ) { + input = InpEm; + } else if ( c == 'D' ) { + input = InpD; + } else if ( c == '-' ) { + input = InpDash; + } else { + input = InpUnknown; + } + // get new state + state = table[state][input]; + + // in some cases do special actions depending on state + switch ( state ) { + case EatWS: + // XML declaration only on first position possible + xmldecl_possible = FALSE; + // eat white spaces + eat_ws(); + break; + case Lt: + // next character + next(); + break; + case Em: + // XML declaration only on first position possible + xmldecl_possible = FALSE; + // next character + next(); + break; + case DocType: + parseOk = parseDoctype(); + break; + case Comment: + parseOk = parseComment(); + break; + case PI: + parseOk = parsePI( xmldecl_possible ); + break; + } + // no input is read after this + switch ( state ) { + case DocType: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGPROLOG; + goto parseError; + } + if ( doctype_read ) { + d->error = XMLERR_MORETHANONEDOCTYPE; + goto parseError; + } else { + doctype_read = FALSE; + } + break; + case Comment: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGPROLOG; + goto parseError; + } + if ( lexicalHnd ) { + if ( !lexicalHnd->comment( string() ) ) { + d->error = lexicalHnd->errorString(); + goto parseError; + } + } + break; + case PI: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGPROLOG; + goto parseError; + } + // call the handler + if ( contentHnd ) { + if ( xmldecl_possible && !d->xmlVersion.isEmpty() ) { + QString value( "version = '" ); + value += d->xmlVersion; + value += "'"; + if ( !d->encoding.isEmpty() ) { + value += " encoding = '"; + value += d->encoding; + value += "'"; + } + if ( d->standalone == QXmlSimpleReaderPrivate::Yes ) { + value += " standalone = 'yes'"; + } else if ( d->standalone == QXmlSimpleReaderPrivate::No ) { + value += " standalone = 'no'"; + } + if ( !contentHnd->processingInstruction( "xml", value ) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } else { + if ( !contentHnd->processingInstruction( name(), string() ) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + } + // XML declaration only on first position possible + xmldecl_possible = FALSE; + break; + case Done: + return TRUE; + case -1: + d->error = XMLERR_ERRORPARSINGELEMENT; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse an element [39]. + + Precondition: the opening '<' is already read. +*/ +bool QXmlSimpleReader::parseElement() +{ + QString uri, lname, prefix; + bool t; + + const signed char Init = 0; + const signed char ReadName = 1; + const signed char Ws1 = 2; + const signed char STagEnd = 3; + const signed char STagEnd2 = 4; + const signed char ETagBegin = 5; + const signed char ETagBegin2 = 6; + const signed char Ws2 = 7; + const signed char EmptyTag = 8; + const signed char Attribute = 9; + const signed char Ws3 = 10; + const signed char Done = 11; + + const signed char InpWs = 0; // whitespace + const signed char InpNameBe = 1; // is_NameBeginning() + const signed char InpGt = 2; // > + const signed char InpSlash = 3; // / + const signed char InpUnknown = 4; + + // use some kind of state machine for parsing + static const signed char table[11][5] = { + /* InpWs InpNameBe InpGt InpSlash InpUnknown */ + { -1, ReadName, -1, -1, -1 }, // Init + { Ws1, Attribute, STagEnd, EmptyTag, -1 }, // ReadName + { -1, Attribute, STagEnd, EmptyTag, -1 }, // Ws1 + { STagEnd2, STagEnd2, STagEnd2, STagEnd2, STagEnd2 }, // STagEnd + { -1, -1, -1, ETagBegin, -1 }, // STagEnd2 + { -1, ETagBegin2, -1, -1, -1 }, // ETagBegin + { Ws2, -1, Done, -1, -1 }, // ETagBegin2 + { -1, -1, Done, -1, -1 }, // Ws2 + { -1, -1, Done, -1, -1 }, // EmptyTag + { Ws3, Attribute, STagEnd, EmptyTag, -1 }, // Attribute + { -1, Attribute, STagEnd, EmptyTag, -1 } // Ws3 + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // read input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( is_NameBeginning(c) ) { + input = InpNameBe; + } else if ( c == '>' ) { + input = InpGt; + } else if ( c == '/' ) { + input = InpSlash; + } else { + input = InpUnknown; + } + // get new state +//qDebug( "%d -%d(%c)-> %d", state, input, c.latin1(), table[state][input] ); + state = table[state][input]; + + // in some cases do special actions depending on state + switch ( state ) { + case ReadName: + parseOk = parseName(); + break; + case Ws1: + case Ws2: + case Ws3: + eat_ws(); + break; + case STagEnd: + // call the handler + if ( contentHnd ) { + if ( d->useNamespaces ) { + d->namespaceSupport.processName( tags.top(), FALSE, uri, lname ); + t = contentHnd->startElement( uri, lname, tags.top(), d->attList ); + } else { + t = contentHnd->startElement( "", "", tags.top(), d->attList ); + } + if ( !t ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + next(); + break; + case STagEnd2: + parseOk = parseContent(); + break; + case ETagBegin: + next(); + break; + case ETagBegin2: + // get the name of the tag + parseOk = parseName(); + break; + case EmptyTag: + if ( tags.isEmpty() ) { + d->error = XMLERR_TAGMISMATCH; + goto parseError; + } + if ( !parseElementEmptyTag( t, uri, lname ) ) + goto parseError; + // next character + next(); + break; + case Attribute: + // get name and value of attribute + parseOk = parseAttribute(); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case ReadName: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + // store it on the stack + tags.push( name() ); + // empty the attributes + d->attList.qnameList.clear(); + d->attList.uriList.clear(); + d->attList.localnameList.clear(); + d->attList.valueList.clear(); + // namespace support? + if ( d->useNamespaces ) { + d->namespaceSupport.pushContext(); + } + break; + case STagEnd2: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGCONTENT; + goto parseError; + } + break; + case ETagBegin2: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + if ( !parseElementETagBegin2() ) + goto parseError; + break; + case Attribute: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGATTRIBUTE; + goto parseError; + } + if ( !parseElementAttribute( prefix, uri, lname ) ) + goto parseError; + break; + case Done: + return TRUE; + case -1: + d->error = XMLERR_ERRORPARSINGELEMENT; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} +/*! + Helper to break down the size of the code in the case statement. + Return FALSE on error, otherwise TRUE. +*/ +// ### Remove t argument in Qt 3.0 -- I don't need it. The same should be true for uri and lname. +bool QXmlSimpleReader::parseElementEmptyTag( bool &, QString &uri, QString &lname ) +{ + // pop the stack and call the handler + if ( contentHnd ) { + if ( d->useNamespaces ) { + // report startElement first... + d->namespaceSupport.processName( tags.top(), FALSE, uri, lname ); + if ( !contentHnd->startElement( uri, lname, tags.top(), d->attList ) ) { + goto error; + } + // ... followed by endElement... + if ( !contentHnd->endElement( uri, lname, tags.pop() ) ) { + goto error; + } + // ... followed by endPrefixMapping + QStringList prefixesBefore, prefixesAfter; + if ( contentHnd ) { + prefixesBefore = d->namespaceSupport.prefixes(); + } + d->namespaceSupport.popContext(); + // call the handler for prefix mapping + prefixesAfter = d->namespaceSupport.prefixes(); + for ( QStringList::Iterator it = prefixesBefore.begin(); it != prefixesBefore.end(); ++it ) { + if ( prefixesAfter.contains(*it) == 0 ) { + if ( !contentHnd->endPrefixMapping( *it ) ) { + goto error; + } + } + } + } else { + // report startElement first... + if ( !contentHnd->startElement( "", "", tags.top(), d->attList ) ) { + goto error; + } + // ... followed by endElement + if ( !contentHnd->endElement( "","",tags.pop() ) ) { + goto error; + } + } + } else { + tags.pop(); + d->namespaceSupport.popContext(); + } + return TRUE; +error: + d->error = contentHnd->errorString(); + return FALSE; +} +/*! + Helper to break down the size of the code in the case statement. + Return FALSE on error, otherwise TRUE. +*/ +bool QXmlSimpleReader::parseElementETagBegin2() +{ + + // pop the stack and compare it with the name + if ( tags.pop() != name() ) { + d->error = XMLERR_TAGMISMATCH; + return FALSE; + } + // call the handler + if ( contentHnd ) { + if ( d->useNamespaces ) { + QString uri, lname; + d->namespaceSupport.processName( name(), FALSE, uri, lname ); + if ( !contentHnd->endElement( uri, lname, name() ) ) { + d->error = contentHnd->errorString(); + return FALSE; + } + } else { + if ( !contentHnd->endElement("","",name()) ) { + d->error = contentHnd->errorString(); + return FALSE; + } + } + } + if ( d->useNamespaces ) { + QStringList prefixesBefore, prefixesAfter; + if ( contentHnd ) { + prefixesBefore = d->namespaceSupport.prefixes(); + } + d->namespaceSupport.popContext(); + // call the handler for prefix mapping + if ( contentHnd ) { + prefixesAfter = d->namespaceSupport.prefixes(); + for ( QStringList::Iterator it = prefixesBefore.begin(); it != prefixesBefore.end(); ++it ) { + if ( prefixesAfter.contains(*it) == 0 ) { + if ( !contentHnd->endPrefixMapping( *it ) ) { + d->error = contentHnd->errorString(); + return FALSE; + } + } + } + } + } + return TRUE; +} +/*! + Helper to break down the size of the code in the case statement. + Return FALSE on error, otherwise TRUE. +*/ +// ### Remove arguments in Qt 3.0? I think, I don't need them. +bool QXmlSimpleReader::parseElementAttribute( QString &prefix, QString &uri, QString &lname ) +{ + // add the attribute to the list + if ( d->useNamespaces ) { + // is it a namespace declaration? + d->namespaceSupport.splitName( name(), prefix, lname ); + if ( prefix == "xmlns" ) { + // namespace declaration + d->namespaceSupport.setPrefix( lname, string() ); + if ( d->useNamespacePrefixes ) { + d->attList.qnameList.append( name() ); + d->attList.uriList.append( "" ); + d->attList.localnameList.append( "" ); + d->attList.valueList.append( string() ); + } + // call the handler for prefix mapping + if ( contentHnd ) { + if ( !contentHnd->startPrefixMapping( lname, string() ) ) { + d->error = contentHnd->errorString(); + return FALSE; + } + } + } else { + // no namespace delcaration + d->namespaceSupport.processName( name(), TRUE, uri, lname ); + d->attList.qnameList.append( name() ); + d->attList.uriList.append( uri ); + d->attList.localnameList.append( lname ); + d->attList.valueList.append( string() ); + } + } else { + // no namespace support + d->attList.qnameList.append( name() ); + d->attList.uriList.append( "" ); + d->attList.localnameList.append( "" ); + d->attList.valueList.append( string() ); + } + return TRUE; +} + +/*! + Parse a content [43]. + + A content is only used between tags. If a end tag is found the < is already + read and the head stand on the '/' of the end tag '</name>'. +*/ +bool QXmlSimpleReader::parseContent() +{ + bool charDataRead = FALSE; + + const signed char Init = 0; + const signed char ChD = 1; // CharData + const signed char ChD1 = 2; // CharData help state + const signed char ChD2 = 3; // CharData help state + const signed char Ref = 4; // Reference + const signed char Lt = 5; // '<' read + const signed char PI = 6; // PI + const signed char Elem = 7; // Element + const signed char Em = 8; // '!' read + const signed char Com = 9; // Comment + const signed char CDS = 10; // CDSect + const signed char CDS1 = 11; // read a CDSect + const signed char CDS2 = 12; // read a CDSect (help state) + const signed char CDS3 = 13; // read a CDSect (help state) + const signed char Done = 14; // finished reading content + + const signed char InpLt = 0; // < + const signed char InpGt = 1; // > + const signed char InpSlash = 2; // / + const signed char InpQMark = 3; // ? + const signed char InpEMark = 4; // ! + const signed char InpAmp = 5; // & + const signed char InpDash = 6; // - + const signed char InpOpenB = 7; // [ + const signed char InpCloseB = 8; // ] + const signed char InpUnknown = 9; + + static const signed char mapCLT2FSMChar[] = { + InpUnknown, // white space + InpUnknown, // % + InpAmp, // & + InpGt, // > + InpLt, // < + InpSlash, // / + InpQMark, // ? + InpEMark, // ! + InpDash, // - + InpCloseB, // ] + InpOpenB, // [ + InpUnknown, // = + InpUnknown, // " + InpUnknown, // ' + InpUnknown // unknown + }; + + // use some kind of state machine for parsing + static const signed char table[14][10] = { + /* InpLt InpGt InpSlash InpQMark InpEMark InpAmp InpDash InpOpenB InpCloseB InpUnknown */ + { Lt, ChD, ChD, ChD, ChD, Ref, ChD, ChD, ChD1, ChD }, // Init + { Lt, ChD, ChD, ChD, ChD, Ref, ChD, ChD, ChD1, ChD }, // ChD + { Lt, ChD, ChD, ChD, ChD, Ref, ChD, ChD, ChD2, ChD }, // ChD1 + { Lt, -1, ChD, ChD, ChD, Ref, ChD, ChD, ChD2, ChD }, // ChD2 + { Lt, ChD, ChD, ChD, ChD, Ref, ChD, ChD, ChD, ChD }, // Ref (same as Init) + { -1, -1, Done, PI, Em, -1, -1, -1, -1, Elem }, // Lt + { Lt, ChD, ChD, ChD, ChD, Ref, ChD, ChD, ChD, ChD }, // PI (same as Init) + { Lt, ChD, ChD, ChD, ChD, Ref, ChD, ChD, ChD, ChD }, // Elem (same as Init) + { -1, -1, -1, -1, -1, -1, Com, CDS, -1, -1 }, // Em + { Lt, ChD, ChD, ChD, ChD, Ref, ChD, ChD, ChD, ChD }, // Com (same as Init) + { CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS2, CDS1 }, // CDS + { CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS2, CDS1 }, // CDS1 + { CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS3, CDS1 }, // CDS2 + { CDS1, Init, CDS1, CDS1, CDS1, CDS1, CDS1, CDS1, CDS3, CDS1 } // CDS3 + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input (use lookup-table instead of nested ifs for performance + // reasons) + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( c.row() ) { + input = InpUnknown; + } else { + input = mapCLT2FSMChar[ charLookupTable[ c.cell() ] ]; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Init: + // next character + next(); + break; + case ChD: + // on first call: clear string + if ( !charDataRead ) { + charDataRead = TRUE; + stringClear(); + } + stringAddC(); + next(); + break; + case ChD1: + // on first call: clear string + if ( !charDataRead ) { + charDataRead = TRUE; + stringClear(); + } + stringAddC(); + next(); + break; + case ChD2: + stringAddC(); + next(); + break; + case Ref: + if ( !charDataRead) { + // reference may be CharData; so clear string to be safe + stringClear(); + parseOk = parseReference( charDataRead, InContent ); + } else { + if ( d->reportEntities ) { + // this is undocumented so far; do this right in Qt 3.0 + if ( contentHnd ) { + if ( d->reportWhitespaceCharData || !string().simplifyWhiteSpace().isEmpty() ) { + if ( !contentHnd->characters( string() ) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + } + stringClear(); + } + bool tmp; + parseOk = parseReference( tmp, InContent ); + } + break; + case Lt: + // call the handler for CharData + if ( contentHnd ) { + if ( charDataRead ) { + if ( d->reportWhitespaceCharData || !string().simplifyWhiteSpace().isEmpty() ) { + if ( !contentHnd->characters( string() ) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + } + } + charDataRead = FALSE; + // next character + next(); + break; + case PI: + parseOk = parsePI(); + break; + case Elem: + parseOk = parseElement(); + break; + case Em: + // next character + next(); + break; + case Com: + parseOk = parseComment(); + break; + case CDS: + parseOk = parseString( "[CDATA[" ); + break; + case CDS1: + // read one character and add it + stringAddC(); + next(); + break; + case CDS2: + // skip ']' + next(); + break; + case CDS3: + // skip ']'... + next(); + break; + } + // no input is read after this + switch ( state ) { + case Ref: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGREFERENCE; + goto parseError; + } + break; + case PI: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGPI; + goto parseError; + } + // call the handler + if ( contentHnd ) { + if ( !contentHnd->processingInstruction(name(),string()) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + break; + case Elem: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGELEMENT; + goto parseError; + } + break; + case Com: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGCOMMENT; + goto parseError; + } + if ( lexicalHnd ) { + if ( !lexicalHnd->comment( string() ) ) { + d->error = lexicalHnd->errorString(); + goto parseError; + } + } + break; + case CDS: + if( !parseOk ) { + d->error = XMLERR_CDSECTHEADEREXPECTED; + goto parseError; + } + // empty string + stringClear(); + break; + case CDS2: + if (c != ']') { + stringAddC( ']' ); + } + break; + case CDS3: + // test if this skipping was legal + if ( c == '>' ) { + // the end of the CDSect + if ( lexicalHnd ) { + if ( !lexicalHnd->startCDATA() ) { + d->error = lexicalHnd->errorString(); + goto parseError; + } + } + if ( contentHnd ) { + if ( !contentHnd->characters( string() ) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + if ( lexicalHnd ) { + if ( !lexicalHnd->endCDATA() ) { + d->error = lexicalHnd->errorString(); + goto parseError; + } + } + } else if (c == ']') { + // three or more ']' + stringAddC( ']' ); + } else { + // after ']]' comes another character + stringAddC( ']' ); + stringAddC( ']' ); + } + break; + case Done: + // call the handler for CharData + if ( contentHnd ) { + if ( charDataRead ) { + if ( d->reportWhitespaceCharData || !string().simplifyWhiteSpace().isEmpty() ) { + if ( !contentHnd->characters( string() ) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + } + } + // Done + return TRUE; + case -1: + // Error + d->error = XMLERR_ERRORPARSINGCONTENT; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse Misc [27]. +*/ +bool QXmlSimpleReader::parseMisc() +{ + const signed char Init = 0; + const signed char Lt = 1; // '<' was read + const signed char Comment = 2; // read comment + const signed char eatWS = 3; // eat whitespaces + const signed char PI = 4; // read PI + const signed char Comment2 = 5; // read comment + + const signed char InpWs = 0; // S + const signed char InpLt = 1; // < + const signed char InpQm = 2; // ? + const signed char InpEm = 3; // ! + const signed char InpUnknown = 4; + + // use some kind of state machine for parsing + static const signed char table[3][5] = { + /* InpWs InpLt InpQm InpEm InpUnknown */ + { eatWS, Lt, -1, -1, -1 }, // Init + { -1, -1, PI, Comment, -1 }, // Lt + { -1, -1, -1, -1, Comment2 } // Comment + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == '<' ) { + input = InpLt; + } else if ( c == '?' ) { + input = InpQm; + } else if ( c == '!' ) { + input = InpEm; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case eatWS: + eat_ws(); + break; + case Lt: + next(); + break; + case PI: + parseOk = parsePI(); + break; + case Comment: + next(); + break; + case Comment2: + parseOk = parseComment(); + break; + } + // no input is read after this + switch ( state ) { + case eatWS: + return TRUE; + case PI: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGPI; + goto parseError; + } + if ( contentHnd ) { + if ( !contentHnd->processingInstruction(name(),string()) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + return TRUE; + case Comment2: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGCOMMENT; + goto parseError; + } + if ( lexicalHnd ) { + if ( !lexicalHnd->comment( string() ) ) { + d->error = lexicalHnd->errorString(); + goto parseError; + } + } + return TRUE; + case -1: + // Error + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a processing instruction [16]. + + If xmldec is TRUE, it tries to parse a PI or a XML declaration [23]. + + Precondition: the beginning '<' of the PI is already read and the head stand + on the '?' of '<?'. + + If this funktion was successful, the head-position is on the first + character after the PI. +*/ +bool QXmlSimpleReader::parsePI( bool xmldecl ) +{ + const signed char Init = 0; + const signed char QmI = 1; // ? was read + const signed char Name = 2; // read Name + const signed char XMLDecl = 3; // read XMLDecl + const signed char Ws1 = 4; // eat ws after "xml" of XMLDecl + const signed char PI = 5; // read PI + const signed char Ws2 = 6; // eat ws after Name of PI + const signed char Version = 7; // read versionInfo + const signed char Ws3 = 8; // eat ws after versionInfo + const signed char EorSD = 9; // read EDecl or SDDecl + const signed char Ws4 = 10; // eat ws after EDecl or SDDecl + const signed char SD = 11; // read SDDecl + const signed char Ws5 = 12; // eat ws after SDDecl + const signed char ADone = 13; // almost done + const signed char Char = 14; // Char was read + const signed char Qm = 15; // Qm was read + const signed char Done = 16; // finished reading content + + const signed char InpWs = 0; // whitespace + const signed char InpNameBe = 1; // is_nameBeginning() + const signed char InpGt = 2; // > + const signed char InpQm = 3; // ? + const signed char InpUnknown = 4; + + // use some kind of state machine for parsing + static const signed char table[16][5] = { + /* InpWs, InpNameBe InpGt InpQm InpUnknown */ + { -1, -1, -1, QmI, -1 }, // Init + { -1, Name, -1, -1, -1 }, // QmI + { -1, -1, -1, -1, -1 }, // Name (this state is left not through input) + { Ws1, -1, -1, -1, -1 }, // XMLDecl + { -1, Version, -1, -1, -1 }, // Ws1 + { Ws2, -1, -1, Qm, -1 }, // PI + { Char, Char, Char, Qm, Char }, // Ws2 + { Ws3, -1, -1, ADone, -1 }, // Version + { -1, EorSD, -1, ADone, -1 }, // Ws3 + { Ws4, -1, -1, ADone, -1 }, // EorSD + { -1, SD, -1, ADone, -1 }, // Ws4 + { Ws5, -1, -1, ADone, -1 }, // SD + { -1, -1, -1, ADone, -1 }, // Ws5 + { -1, -1, Done, -1, -1 }, // ADone + { Char, Char, Char, Qm, Char }, // Char + { Char, Char, Done, Qm, Char }, // Qm + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( is_NameBeginning(c) ) { + input = InpNameBe; + } else if ( c == '>' ) { + input = InpGt; + } else if ( c == '?' ) { + input = InpQm; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case QmI: + next(); + break; + case Name: + parseOk = parseName(); + break; + case Ws1: + case Ws2: + case Ws3: + case Ws4: + case Ws5: + eat_ws(); + break; + case Version: + parseOk = parseAttribute(); + break; + case EorSD: + parseOk = parseAttribute(); + break; + case SD: + // get the SDDecl (syntax like an attribute) + if ( d->standalone != QXmlSimpleReaderPrivate::Unknown ) { + // already parsed the standalone declaration + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + parseOk = parseAttribute(); + break; + case ADone: + next(); + break; + case Char: + stringAddC(); + next(); + break; + case Qm: + // skip the '?' + next(); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case Name: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + // test what name was read and determine the next state + // (not very beautiful, I admit) + if ( name().lower() == "xml" ) { + if ( xmldecl && name()=="xml" ) { + state = XMLDecl; + } else { + d->error = XMLERR_INVALIDNAMEFORPI; + goto parseError; + } + } else { + state = PI; + stringClear(); + } + break; + case Version: + // get version (syntax like an attribute) + if ( !parseOk ) { + d->error = XMLERR_VERSIONEXPECTED; + goto parseError; + } + if ( name() != "version" ) { + d->error = XMLERR_VERSIONEXPECTED; + goto parseError; + } + d->xmlVersion = string(); + break; + case EorSD: + // get the EDecl or SDDecl (syntax like an attribute) + if ( !parseOk ) { + d->error = XMLERR_EDECLORSDDECLEXPECTED; + goto parseError; + } + if ( name() == "standalone" ) { + if ( string()=="yes" ) { + d->standalone = QXmlSimpleReaderPrivate::Yes; + } else if ( string()=="no" ) { + d->standalone = QXmlSimpleReaderPrivate::No; + } else { + d->error = XMLERR_WRONGVALUEFORSDECL; + goto parseError; + } + } else if ( name() == "encoding" ) { + d->encoding = string(); + } else { + d->error = XMLERR_EDECLORSDDECLEXPECTED; + goto parseError; + } + break; + case SD: + if ( !parseOk ) { + d->error = XMLERR_SDDECLEXPECTED; + goto parseError; + } + if ( name() != "standalone" ) { + d->error = XMLERR_SDDECLEXPECTED; + goto parseError; + } + if ( string()=="yes" ) { + d->standalone = QXmlSimpleReaderPrivate::Yes; + } else if ( string()=="no" ) { + d->standalone = QXmlSimpleReaderPrivate::No; + } else { + d->error = XMLERR_WRONGVALUEFORSDECL; + goto parseError; + } + break; + case Qm: + // test if the skipping was legal + if ( c != '>' ) { + stringAddC( '?' ); + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a document type definition (doctypedecl [28]). + + Precondition: the beginning '<!' of the doctype is already read the head + stands on the 'D' of '<!DOCTYPE'. + + If this funktion was successful, the head-position is on the first + character after the document type definition. +*/ +bool QXmlSimpleReader::parseDoctype() +{ + // some init-stuff + d->systemId = QString::null; + d->publicId = QString::null; + + const signed char Init = 0; + const signed char Doctype = 1; // read the doctype + const signed char Ws1 = 2; // eat_ws + const signed char Doctype2 = 3; // read the doctype, part 2 + const signed char Ws2 = 4; // eat_ws + const signed char Sys = 5; // read SYSTEM + const signed char Ws3 = 6; // eat_ws + const signed char MP = 7; // markupdecl or PEReference + const signed char PER = 8; // PERReference + const signed char Mup = 9; // markupdecl + const signed char Ws4 = 10; // eat_ws + const signed char MPE = 11; // end of markupdecl or PEReference + const signed char Done = 12; + + const signed char InpWs = 0; + const signed char InpD = 1; // 'D' + const signed char InpS = 2; // 'S' or 'P' + const signed char InpOB = 3; // [ + const signed char InpCB = 4; // ] + const signed char InpPer = 5; // % + const signed char InpGt = 6; // > + const signed char InpUnknown = 7; + + // use some kind of state machine for parsing + static const signed char table[12][8] = { + /* InpWs, InpD InpS InpOB InpCB InpPer InpGt InpUnknown */ + { -1, Doctype, -1, -1, -1, -1, -1, -1 }, // Init + { Ws1, Doctype2, Doctype2, -1, -1, -1, -1, Doctype2 }, // Doctype + { -1, Doctype2, Doctype2, -1, -1, -1, -1, Doctype2 }, // Ws1 + { Ws2, -1, Sys, MP, -1, -1, Done, -1 }, // Doctype2 + { -1, -1, Sys, MP, -1, -1, Done, -1 }, // Ws2 + { Ws3, -1, -1, MP, -1, -1, Done, -1 }, // Sys + { -1, -1, -1, MP, -1, -1, Done, -1 }, // Ws3 + { -1, -1, -1, -1, MPE, PER, -1, Mup }, // MP + { Ws4, -1, -1, -1, MPE, PER, -1, Mup }, // PER + { Ws4, -1, -1, -1, MPE, PER, -1, Mup }, // Mup + { -1, -1, -1, -1, MPE, PER, -1, Mup }, // Ws4 + { -1, -1, -1, -1, -1, -1, Done, -1 } // MPE + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == 'D' ) { + input = InpD; + } else if ( c == 'S' ) { + input = InpS; + } else if ( c == 'P' ) { + input = InpS; + } else if ( c == '[' ) { + input = InpOB; + } else if ( c == ']' ) { + input = InpCB; + } else if ( c == '%' ) { + input = InpPer; + } else if ( c == '>' ) { + input = InpGt; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Doctype: + parseOk = parseString( "DOCTYPE" ); + break; + case Ws1: + case Ws2: + case Ws3: + case Ws4: + eat_ws(); + break; + case Doctype2: + parseName(); + break; + case Sys: + parseOk = parseExternalID(); + break; + case MP: + next_eat_ws(); + break; + case PER: + parseOk = parsePEReference( InDTD ); + break; + case Mup: + parseOk = parseMarkupdecl(); + break; + case MPE: + next_eat_ws(); + break; + case Done: + if ( lexicalHnd ) { + if ( !lexicalHnd->endDTD() ) { + d->error = lexicalHnd->errorString(); + goto parseError; + } + } + next(); + break; + } + // no input is read after this + switch ( state ) { + case Doctype: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGDOCTYPE; + goto parseError; + } + if ( !is_S(c) ) { + d->error = XMLERR_ERRORPARSINGDOCTYPE; + goto parseError; + } + break; + case Doctype2: + d->doctype = name(); + if ( lexicalHnd ) { + if ( !lexicalHnd->startDTD( d->doctype, d->publicId, d->systemId ) ) { + d->error = lexicalHnd->errorString(); + goto parseError; + } + } + break; + case Sys: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGDOCTYPE; + goto parseError; + } + break; + case PER: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGDOCTYPE; + goto parseError; + } + break; + case Mup: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGDOCTYPE; + goto parseError; + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_ERRORPARSINGDOCTYPE; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a ExternalID [75]. + + If allowPublicID is TRUE parse ExternalID [75] or PublicID [83]. +*/ +bool QXmlSimpleReader::parseExternalID( bool allowPublicID ) +{ + // some init-stuff + d->systemId = QString::null; + d->publicId = QString::null; + + const signed char Init = 0; + const signed char Sys = 1; // parse 'SYSTEM' + const signed char SysWS = 2; // parse the whitespace after 'SYSTEM' + const signed char SysSQ = 3; // parse SystemLiteral with ' + const signed char SysSQ2 = 4; // parse SystemLiteral with ' + const signed char SysDQ = 5; // parse SystemLiteral with " + const signed char SysDQ2 = 6; // parse SystemLiteral with " + const signed char Pub = 7; // parse 'PUBLIC' + const signed char PubWS = 8; // parse the whitespace after 'PUBLIC' + const signed char PubSQ = 9; // parse PubidLiteral with ' + const signed char PubSQ2 = 10; // parse PubidLiteral with ' + const signed char PubDQ = 11; // parse PubidLiteral with " + const signed char PubDQ2 = 12; // parse PubidLiteral with " + const signed char PubE = 13; // finished parsing the PubidLiteral + const signed char PubWS2 = 14; // parse the whitespace after the PubidLiteral + const signed char PDone = 15; // done if allowPublicID is TRUE + const signed char Done = 16; + + const signed char InpSQ = 0; // ' + const signed char InpDQ = 1; // " + const signed char InpS = 2; // S + const signed char InpP = 3; // P + const signed char InpWs = 4; // white space + const signed char InpUnknown = 5; + + // use some kind of state machine for parsing + static const signed char table[15][6] = { + /* InpSQ InpDQ InpS InpP InpWs InpUnknown */ + { -1, -1, Sys, Pub, -1, -1 }, // Init + { -1, -1, -1, -1, SysWS, -1 }, // Sys + { SysSQ, SysDQ, -1, -1, -1, -1 }, // SysWS + { Done, SysSQ2, SysSQ2, SysSQ2, SysSQ2, SysSQ2 }, // SysSQ + { Done, SysSQ2, SysSQ2, SysSQ2, SysSQ2, SysSQ2 }, // SysSQ2 + { SysDQ2, Done, SysDQ2, SysDQ2, SysDQ2, SysDQ2 }, // SysDQ + { SysDQ2, Done, SysDQ2, SysDQ2, SysDQ2, SysDQ2 }, // SysDQ2 + { -1, -1, -1, -1, PubWS, -1 }, // Pub + { PubSQ, PubDQ, -1, -1, -1, -1 }, // PubWS + { PubE, -1, PubSQ2, PubSQ2, PubSQ2, PubSQ2 }, // PubSQ + { PubE, -1, PubSQ2, PubSQ2, PubSQ2, PubSQ2 }, // PubSQ2 + { -1, PubE, PubDQ2, PubDQ2, PubDQ2, PubDQ2 }, // PubDQ + { -1, PubE, PubDQ2, PubDQ2, PubDQ2, PubDQ2 }, // PubDQ2 + { PDone, PDone, PDone, PDone, PubWS2, PDone }, // PubE + { SysSQ, SysDQ, PDone, PDone, PDone, PDone } // PubWS2 + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == '\'' ) { + input = InpSQ; + } else if ( c == '"' ) { + input = InpDQ; + } else if ( c == 'S' ) { + input = InpS; + } else if ( c == 'P' ) { + input = InpP; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Sys: + parseOk = parseString( "SYSTEM" ); + break; + case SysWS: + eat_ws(); + break; + case SysSQ: + case SysDQ: + stringClear(); + next(); + break; + case SysSQ2: + case SysDQ2: + stringAddC(); + next(); + break; + case Pub: + parseOk = parseString( "PUBLIC" ); + break; + case PubWS: + eat_ws(); + break; + case PubSQ: + case PubDQ: + stringClear(); + next(); + break; + case PubSQ2: + case PubDQ2: + stringAddC(); + next(); + break; + case PubE: + next(); + break; + case PubWS2: + d->publicId = string(); + eat_ws(); + break; + case Done: + d->systemId = string(); + next(); + break; + } + // no input is read after this + switch ( state ) { + case Sys: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case Pub: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case PDone: + if ( allowPublicID ) { + d->publicId = string(); + return TRUE; + } else { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a markupdecl [29]. +*/ +bool QXmlSimpleReader::parseMarkupdecl() +{ + const signed char Init = 0; + const signed char Lt = 1; // < was read + const signed char Em = 2; // ! was read + const signed char CE = 3; // E was read + const signed char Qm = 4; // ? was read + const signed char Dash = 5; // - was read + const signed char CA = 6; // A was read + const signed char CEL = 7; // EL was read + const signed char CEN = 8; // EN was read + const signed char CN = 9; // N was read + const signed char Done = 10; + + const signed char InpLt = 0; // < + const signed char InpQm = 1; // ? + const signed char InpEm = 2; // ! + const signed char InpDash = 3; // - + const signed char InpA = 4; // A + const signed char InpE = 5; // E + const signed char InpL = 6; // L + const signed char InpN = 7; // N + const signed char InpUnknown = 8; + + // use some kind of state machine for parsing + static const signed char table[4][9] = { + /* InpLt InpQm InpEm InpDash InpA InpE InpL InpN InpUnknown */ + { Lt, -1, -1, -1, -1, -1, -1, -1, -1 }, // Init + { -1, Qm, Em, -1, -1, -1, -1, -1, -1 }, // Lt + { -1, -1, -1, Dash, CA, CE, -1, CN, -1 }, // Em + { -1, -1, -1, -1, -1, -1, CEL, CEN, -1 } // CE + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( c == '<' ) { + input = InpLt; + } else if ( c == '?' ) { + input = InpQm; + } else if ( c == '!' ) { + input = InpEm; + } else if ( c == '-' ) { + input = InpDash; + } else if ( c == 'A' ) { + input = InpA; + } else if ( c == 'E' ) { + input = InpE; + } else if ( c == 'L' ) { + input = InpL; + } else if ( c == 'N' ) { + input = InpN; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Lt: + next(); + break; + case Em: + next(); + break; + case CE: + next(); + break; + case Qm: + parseOk = parsePI(); + break; + case Dash: + parseOk = parseComment(); + break; + case CA: + parseOk = parseAttlistDecl(); + break; + case CEL: + parseOk = parseElementDecl(); + break; + case CEN: + parseOk = parseEntityDecl(); + break; + case CN: + parseOk = parseNotationDecl(); + break; + } + // no input is read after this + switch ( state ) { + case Qm: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGPI; + goto parseError; + } + if ( contentHnd ) { + if ( !contentHnd->processingInstruction(name(),string()) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + return TRUE; + case Dash: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGCOMMENT; + goto parseError; + } + if ( lexicalHnd ) { + if ( !lexicalHnd->comment( string() ) ) { + d->error = lexicalHnd->errorString(); + goto parseError; + } + } + return TRUE; + case CA: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGATTLISTDECL; + goto parseError; + } + return TRUE; + case CEL: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGELEMENTDECL; + goto parseError; + } + return TRUE; + case CEN: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGENTITYDECL; + goto parseError; + } + return TRUE; + case CN: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNOTATIONDECL; + goto parseError; + } + return TRUE; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_LETTEREXPECTED; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a PEReference [69] +*/ +bool QXmlSimpleReader::parsePEReference( EntityRecognitionContext context ) +{ + const signed char Init = 0; + const signed char Next = 1; + const signed char Name = 2; + const signed char Done = 3; + + const signed char InpSemi = 0; // ; + const signed char InpPer = 1; // % + const signed char InpUnknown = 2; + + // use some kind of state machine for parsing + static const signed char table[3][3] = { + /* InpSemi InpPer InpUnknown */ + { -1, Next, -1 }, // Init + { -1, -1, Name }, // Next + { Done, -1, -1 } // Name + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( c == ';' ) { + input = InpSemi; + } else if ( c == '%' ) { + input = InpPer; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Next: + next(); + break; + case Name: + parseOk = parseName( TRUE ); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case Name: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + if ( d->parameterEntities.find( ref() ) == d->parameterEntities.end() ) { + // ### skip it??? + if ( contentHnd ) { + if ( !contentHnd->skippedEntity( QString("%") + ref() ) ) { + d->error = contentHnd->errorString(); + goto parseError; + } + } + } else { + if ( context == InEntityValue ) { + // Included in literal + xmlRef = d->parameterEntities.find( ref() ) + .data().replace( QRegExp("\""), """ ).replace( QRegExp("'"), "'" ) + + xmlRef; + } else if ( context == InDTD ) { + // Included as PE + xmlRef = QString(" ") + + d->parameterEntities.find( ref() ).data() + + QString(" ") + xmlRef; + } + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_LETTEREXPECTED; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a AttlistDecl [52]. + + Precondition: the beginning '<!' is already read and the head + stands on the 'A' of '<!ATTLIST' +*/ +bool QXmlSimpleReader::parseAttlistDecl() +{ + const signed char Init = 0; + const signed char Attlist = 1; // parse the string "ATTLIST" + const signed char Ws = 2; // whitespace read + const signed char Name = 3; // parse name + const signed char Ws1 = 4; // whitespace read + const signed char Attdef = 5; // parse the AttDef + const signed char Ws2 = 6; // whitespace read + const signed char Atttype = 7; // parse the AttType + const signed char Ws3 = 8; // whitespace read + const signed char DDecH = 9; // DefaultDecl with # + const signed char DefReq = 10; // parse the string "REQUIRED" + const signed char DefImp = 11; // parse the string "IMPLIED" + const signed char DefFix = 12; // parse the string "FIXED" + const signed char Attval = 13; // parse the AttValue + const signed char Ws4 = 14; // whitespace read + const signed char Done = 15; + + const signed char InpWs = 0; // white space + const signed char InpGt = 1; // > + const signed char InpHash = 2; // # + const signed char InpA = 3; // A + const signed char InpI = 4; // I + const signed char InpF = 5; // F + const signed char InpR = 6; // R + const signed char InpUnknown = 7; + + // use some kind of state machine for parsing + static const signed char table[15][8] = { + /* InpWs InpGt InpHash InpA InpI InpF InpR InpUnknown */ + { -1, -1, -1, Attlist, -1, -1, -1, -1 }, // Init + { Ws, -1, -1, -1, -1, -1, -1, -1 }, // Attlist + { -1, -1, -1, Name, Name, Name, Name, Name }, // Ws + { Ws1, Done, Attdef, Attdef, Attdef, Attdef, Attdef, Attdef }, // Name + { -1, Done, Attdef, Attdef, Attdef, Attdef, Attdef, Attdef }, // Ws1 + { Ws2, -1, -1, -1, -1, -1, -1, -1 }, // Attdef + { -1, Atttype, Atttype, Atttype, Atttype, Atttype, Atttype, Atttype }, // Ws2 + { Ws3, -1, -1, -1, -1, -1, -1, -1 }, // Attype + { -1, Attval, DDecH, Attval, Attval, Attval, Attval, Attval }, // Ws3 + { -1, -1, -1, -1, DefImp, DefFix, DefReq, -1 }, // DDecH + { Ws4, Ws4, -1, -1, -1, -1, -1, -1 }, // DefReq + { Ws4, Ws4, -1, -1, -1, -1, -1, -1 }, // DefImp + { Ws3, -1, -1, -1, -1, -1, -1, -1 }, // DefFix + { Ws4, Ws4, -1, -1, -1, -1, -1, -1 }, // Attval + { -1, Done, Attdef, Attdef, Attdef, Attdef, Attdef, Attdef } // Ws4 + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == '>' ) { + input = InpGt; + } else if ( c == '#' ) { + input = InpHash; + } else if ( c == 'A' ) { + input = InpA; + } else if ( c == 'I' ) { + input = InpI; + } else if ( c == 'F' ) { + input = InpF; + } else if ( c == 'R' ) { + input = InpR; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Attlist: + parseOk = parseString( "ATTLIST" ); + break; + case Ws: + case Ws1: + case Ws2: + case Ws3: + eat_ws(); + break; + case Name: + parseOk = parseName(); + break; + case Attdef: + parseOk = parseName(); + break; + case Atttype: + parseOk = parseAttType(); + break; + case DDecH: + next(); + break; + case DefReq: + parseOk = parseString( "REQUIRED" ); + break; + case DefImp: + parseOk = parseString( "IMPLIED" ); + break; + case DefFix: + parseOk = parseString( "FIXED" ); + break; + case Attval: + parseOk = parseAttValue(); + break; + case Ws4: + if ( declHnd ) { + // TODO: not all values are computed yet... + if ( !declHnd->attributeDecl( d->attDeclEName, d->attDeclAName, "", "", "" ) ) { + d->error = declHnd->errorString(); + goto parseError; + } + } + eat_ws(); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case Attlist: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case Name: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + d->attDeclEName = name(); + break; + case Attdef: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + d->attDeclAName = name(); + break; + case Atttype: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGATTTYPE; + goto parseError; + } + break; + case DefReq: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case DefImp: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case DefFix: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case Attval: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGATTVALUE; + goto parseError; + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_LETTEREXPECTED; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a AttType [54] +*/ +bool QXmlSimpleReader::parseAttType() +{ + const signed char Init = 0; + const signed char ST = 1; // StringType + const signed char TTI = 2; // TokenizedType starting with 'I' + const signed char TTI2 = 3; // TokenizedType helpstate + const signed char TTI3 = 4; // TokenizedType helpstate + const signed char TTE = 5; // TokenizedType starting with 'E' + const signed char TTEY = 6; // TokenizedType starting with 'ENTITY' + const signed char TTEI = 7; // TokenizedType starting with 'ENTITI' + const signed char N = 8; // N read (TokenizedType or Notation) + const signed char TTNM = 9; // TokenizedType starting with 'NM' + const signed char TTNM2 = 10; // TokenizedType helpstate + const signed char NO = 11; // Notation + const signed char NO2 = 12; // Notation helpstate + const signed char NO3 = 13; // Notation helpstate + const signed char NOName = 14; // Notation, read name + const signed char NO4 = 15; // Notation helpstate + const signed char EN = 16; // Enumeration + const signed char ENNmt = 17; // Enumeration, read Nmtoken + const signed char EN2 = 18; // Enumeration helpstate + const signed char ADone = 19; // almost done (make next and accept) + const signed char Done = 20; + + const signed char InpWs = 0; // whitespace + const signed char InpOp = 1; // ( + const signed char InpCp = 2; // ) + const signed char InpPipe = 3; // | + const signed char InpC = 4; // C + const signed char InpE = 5; // E + const signed char InpI = 6; // I + const signed char InpM = 7; // M + const signed char InpN = 8; // N + const signed char InpO = 9; // O + const signed char InpR = 10; // R + const signed char InpS = 11; // S + const signed char InpY = 12; // Y + const signed char InpUnknown = 13; + + // use some kind of state machine for parsing + static const signed char table[19][14] = { + /* InpWs InpOp InpCp InpPipe InpC InpE InpI InpM InpN InpO InpR InpS InpY InpUnknown */ + { -1, EN, -1, -1, ST, TTE, TTI, -1, N, -1, -1, -1, -1, -1 }, // Init + { Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done }, // ST + { Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, TTI2, Done, Done, Done }, // TTI + { Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, TTI3, Done, Done }, // TTI2 + { Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done }, // TTI3 + { -1, -1, -1, -1, -1, -1, TTEI, -1, -1, -1, -1, -1, TTEY, -1 }, // TTE + { Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done }, // TTEY + { Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done }, // TTEI + { -1, -1, -1, -1, -1, -1, -1, TTNM, -1, NO, -1, -1, -1, -1 }, // N + { Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, TTNM2, Done, Done }, // TTNM + { Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done, Done }, // TTNM2 + { NO2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // NO + { -1, NO3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // NO2 + { NOName, NOName, NOName, NOName, NOName, NOName, NOName, NOName, NOName, NOName, NOName, NOName, NOName, NOName }, // NO3 + { NO4, -1, ADone, NO3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // NOName + { -1, -1, ADone, NO3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // NO4 + { -1, -1, ENNmt, -1, ENNmt, ENNmt, ENNmt, ENNmt, ENNmt, ENNmt, ENNmt, ENNmt, ENNmt, ENNmt }, // EN + { EN2, -1, ADone, EN, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // ENNmt + { -1, -1, ADone, EN, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } // EN2 + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == '(' ) { + input = InpOp; + } else if ( c == ')' ) { + input = InpCp; + } else if ( c == '|' ) { + input = InpPipe; + } else if ( c == 'C' ) { + input = InpC; + } else if ( c == 'E' ) { + input = InpE; + } else if ( c == 'I' ) { + input = InpI; + } else if ( c == 'M' ) { + input = InpM; + } else if ( c == 'N' ) { + input = InpN; + } else if ( c == 'O' ) { + input = InpO; + } else if ( c == 'R' ) { + input = InpR; + } else if ( c == 'S' ) { + input = InpS; + } else if ( c == 'Y' ) { + input = InpY; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case ST: + parseOk = parseString( "CDATA" ); + break; + case TTI: + parseOk = parseString( "ID" ); + break; + case TTI2: + parseOk = parseString( "REF" ); + break; + case TTI3: + next(); // S + break; + case TTE: + parseOk = parseString( "ENTIT" ); + break; + case TTEY: + next(); // Y + break; + case TTEI: + parseOk = parseString( "IES" ); + break; + case N: + next(); // N + break; + case TTNM: + parseOk = parseString( "MTOKEN" ); + break; + case TTNM2: + next(); // S + break; + case NO: + parseOk = parseString( "OTATION" ); + break; + case NO2: + eat_ws(); + break; + case NO3: + next_eat_ws(); + break; + case NOName: + parseOk = parseName(); + break; + case NO4: + eat_ws(); + break; + case EN: + next_eat_ws(); + break; + case ENNmt: + parseOk = parseNmtoken(); + break; + case EN2: + eat_ws(); + break; + case ADone: + next(); + break; + } + // no input is read after this + switch ( state ) { + case ST: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case TTI: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case TTI2: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case TTE: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case TTEI: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case TTNM: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case NO: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case NOName: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + break; + case ENNmt: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNMTOKEN; + goto parseError; + } + break; + case ADone: + return TRUE; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_LETTEREXPECTED; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a AttValue [10] + + Precondition: the head stands on the beginning " or ' + + If this function was successful, the head stands on the first + character after the closing " or ' and the value of the attribute + is in string(). +*/ +bool QXmlSimpleReader::parseAttValue() +{ + bool tmp; + + const signed char Init = 0; + const signed char Dq = 1; // double quotes were read + const signed char DqRef = 2; // read references in double quotes + const signed char DqC = 3; // signed character read in double quotes + const signed char Sq = 4; // single quotes were read + const signed char SqRef = 5; // read references in single quotes + const signed char SqC = 6; // signed character read in single quotes + const signed char Done = 7; + + const signed char InpDq = 0; // " + const signed char InpSq = 1; // ' + const signed char InpAmp = 2; // & + const signed char InpLt = 3; // < + const signed char InpUnknown = 4; + + // use some kind of state machine for parsing + static const signed char table[7][5] = { + /* InpDq InpSq InpAmp InpLt InpUnknown */ + { Dq, Sq, -1, -1, -1 }, // Init + { Done, DqC, DqRef, -1, DqC }, // Dq + { Done, DqC, DqRef, -1, DqC }, // DqRef + { Done, DqC, DqRef, -1, DqC }, // DqC + { SqC, Done, SqRef, -1, SqC }, // Sq + { SqC, Done, SqRef, -1, SqC }, // SqRef + { SqC, Done, SqRef, -1, SqC } // SqRef + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( c == '"' ) { + input = InpDq; + } else if ( c == '\'' ) { + input = InpSq; + } else if ( c == '&' ) { + input = InpAmp; + } else if ( c == '<' ) { + input = InpLt; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Dq: + case Sq: + stringClear(); + next(); + break; + case DqRef: + case SqRef: + parseOk = parseReference( tmp, InAttributeValue ); + break; + case DqC: + case SqC: + stringAddC(); + next(); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case DqRef: + case SqRef: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGREFERENCE; + goto parseError; + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a elementdecl [45]. + + Precondition: the beginning '<!E' is already read and the head + stands on the 'L' of '<!ELEMENT' +*/ +bool QXmlSimpleReader::parseElementDecl() +{ + const signed char Init = 0; + const signed char Elem = 1; // parse the beginning string + const signed char Ws1 = 2; // whitespace required + const signed char Nam = 3; // parse Name + const signed char Ws2 = 4; // whitespace required + const signed char Empty = 5; // read EMPTY + const signed char Any = 6; // read ANY + const signed char Cont = 7; // read contentspec (except ANY or EMPTY) + const signed char Mix = 8; // read Mixed + const signed char Mix2 = 9; // + const signed char Mix3 = 10; // + const signed char MixN1 = 11; // + const signed char MixN2 = 12; // + const signed char MixN3 = 13; // + const signed char MixN4 = 14; // + const signed char Cp = 15; // parse cp + const signed char Cp2 = 16; // + const signed char WsD = 17; // eat whitespace before Done + const signed char Done = 18; + + const signed char InpWs = 0; + const signed char InpGt = 1; // > + const signed char InpPipe = 2; // | + const signed char InpOp = 3; // ( + const signed char InpCp = 4; // ) + const signed char InpHash = 5; // # + const signed char InpQm = 6; // ? + const signed char InpAst = 7; // * + const signed char InpPlus = 8; // + + const signed char InpA = 9; // A + const signed char InpE = 10; // E + const signed char InpL = 11; // L + const signed char InpUnknown = 12; + + // use some kind of state machine for parsing + static const signed char table[18][13] = { + /* InpWs InpGt InpPipe InpOp InpCp InpHash InpQm InpAst InpPlus InpA InpE InpL InpUnknown */ + { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, Elem, -1 }, // Init + { Ws1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // Elem + { -1, -1, -1, -1, -1, -1, -1, -1, -1, Nam, Nam, Nam, Nam }, // Ws1 + { Ws2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // Nam + { -1, -1, -1, Cont, -1, -1, -1, -1, -1, Any, Empty, -1, -1 }, // Ws2 + { WsD, Done, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // Empty + { WsD, Done, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // Any + { -1, -1, -1, Cp, Cp, Mix, -1, -1, -1, Cp, Cp, Cp, Cp }, // Cont + { Mix2, -1, MixN1, -1, Mix3, -1, -1, -1, -1, -1, -1, -1, -1 }, // Mix + { -1, -1, MixN1, -1, Mix3, -1, -1, -1, -1, -1, -1, -1, -1 }, // Mix2 + { WsD, Done, -1, -1, -1, -1, -1, WsD, -1, -1, -1, -1, -1 }, // Mix3 + { -1, -1, -1, -1, -1, -1, -1, -1, -1, MixN2, MixN2, MixN2, MixN2 }, // MixN1 + { MixN3, -1, MixN1, -1, MixN4, -1, -1, -1, -1, -1, -1, -1, -1 }, // MixN2 + { -1, -1, MixN1, -1, MixN4, -1, -1, -1, -1, -1, -1, -1, -1 }, // MixN3 + { -1, -1, -1, -1, -1, -1, -1, WsD, -1, -1, -1, -1, -1 }, // MixN4 + { WsD, Done, -1, -1, -1, -1, Cp2, Cp2, Cp2, -1, -1, -1, -1 }, // Cp + { WsD, Done, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, // Cp2 + { -1, Done, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } // WsD + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // read input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == '>' ) { + input = InpGt; + } else if ( c == '|' ) { + input = InpPipe; + } else if ( c == '(' ) { + input = InpOp; + } else if ( c == ')' ) { + input = InpCp; + } else if ( c == '#' ) { + input = InpHash; + } else if ( c == '?' ) { + input = InpQm; + } else if ( c == '*' ) { + input = InpAst; + } else if ( c == '+' ) { + input = InpPlus; + } else if ( c == 'A' ) { + input = InpA; + } else if ( c == 'E' ) { + input = InpE; + } else if ( c == 'L' ) { + input = InpL; + } else { + input = InpUnknown; + } + // get new state +//qDebug( "%d -%d(%c)-> %d", state, input, c.latin1(), table[state][input] ); + state = table[state][input]; + + // in some cases do special actions depending on state + switch ( state ) { + case Elem: + parseOk = parseString( "LEMENT" ); + break; + case Ws1: + eat_ws(); + break; + case Nam: + parseOk = parseName(); + break; + case Ws2: + eat_ws(); + break; + case Empty: + parseOk = parseString( "EMPTY" ); + break; + case Any: + parseOk = parseString( "ANY" ); + break; + case Cont: + next_eat_ws(); + break; + case Mix: + parseOk = parseString( "#PCDATA" ); + break; + case Mix2: + eat_ws(); + break; + case Mix3: + next(); + break; + case MixN1: + next_eat_ws(); + break; + case MixN2: + parseOk = parseName(); + break; + case MixN3: + eat_ws(); + break; + case MixN4: + next(); + break; + case Cp: + parseOk = parseChoiceSeq(); + break; + case Cp2: + next(); + break; + case WsD: + next_eat_ws(); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case Elem: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case Nam: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + break; + case Empty: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case Any: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case Mix: + if( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case MixN2: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + break; + case Cp: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGCHOICE; + goto parseError; + } + break; + case Done: + return TRUE; + case -1: + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a NotationDecl [82]. + + Precondition: the beginning '<!' is already read and the head + stands on the 'N' of '<!NOTATION' +*/ +bool QXmlSimpleReader::parseNotationDecl() +{ + const signed char Init = 0; + const signed char Not = 1; // read NOTATION + const signed char Ws1 = 2; // eat whitespaces + const signed char Nam = 3; // read Name + const signed char Ws2 = 4; // eat whitespaces + const signed char ExtID = 5; // parse ExternalID + const signed char Ws3 = 6; // eat whitespaces + const signed char Done = 7; + + const signed char InpWs = 0; + const signed char InpGt = 1; // > + const signed char InpN = 2; // N + const signed char InpUnknown = 3; + + // use some kind of state machine for parsing + static const signed char table[7][4] = { + /* InpWs InpGt InpN InpUnknown */ + { -1, -1, Not, -1 }, // Init + { Ws1, -1, -1, -1 }, // Not + { -1, -1, Nam, Nam }, // Ws1 + { Ws2, Done, -1, -1 }, // Nam + { -1, Done, ExtID, ExtID }, // Ws2 + { Ws3, Done, -1, -1 }, // ExtID + { -1, Done, -1, -1 } // Ws3 + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == '>' ) { + input = InpGt; + } else if ( c == 'N' ) { + input = InpN; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Not: + parseOk = parseString( "NOTATION" ); + break; + case Ws1: + eat_ws(); + break; + case Nam: + parseOk = parseName(); + break; + case Ws2: + eat_ws(); + break; + case ExtID: + parseOk = parseExternalID( TRUE ); + break; + case Ws3: + eat_ws(); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case Not: + if ( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case Nam: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + break; + case ExtID: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGEXTERNALID; + goto parseError; + } + // call the handler + if ( dtdHnd ) { + if ( !dtdHnd->notationDecl( name(), d->publicId, d->systemId ) ) { + d->error = dtdHnd->errorString(); + goto parseError; + } + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse choice [49] or seq [50]. + + Precondition: the beginning '('S? is already read and the head + stands on the first non-whitespace character after it. +*/ +bool QXmlSimpleReader::parseChoiceSeq() +{ + const signed char Init = 0; + const signed char Ws1 = 1; // eat whitespace + const signed char CS = 2; // choice or set + const signed char Ws2 = 3; // eat whitespace + const signed char More = 4; // more cp to read + const signed char Name = 5; // read name + const signed char Done = 6; // + + const signed char InpWs = 0; // S + const signed char InpOp = 1; // ( + const signed char InpCp = 2; // ) + const signed char InpQm = 3; // ? + const signed char InpAst = 4; // * + const signed char InpPlus = 5; // + + const signed char InpPipe = 6; // | + const signed char InpComm = 7; // , + const signed char InpUnknown = 8; + + // use some kind of state machine for parsing + static const signed char table[6][9] = { + /* InpWs InpOp InpCp InpQm InpAst InpPlus InpPipe InpComm InpUnknown */ + { -1, Ws1, -1, -1, -1, -1, -1, -1, Name }, // Init + { -1, CS, -1, -1, -1, -1, -1, -1, CS }, // Ws1 + { Ws2, -1, Done, Ws2, Ws2, Ws2, More, More, -1 }, // CS + { -1, -1, Done, -1, -1, -1, More, More, -1 }, // Ws2 + { -1, Ws1, -1, -1, -1, -1, -1, -1, Name }, // More (same as Init) + { Ws2, -1, Done, Ws2, Ws2, Ws2, More, More, -1 } // Name (same as CS) + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == '(' ) { + input = InpOp; + } else if ( c == ')' ) { + input = InpCp; + } else if ( c == '?' ) { + input = InpQm; + } else if ( c == '*' ) { + input = InpAst; + } else if ( c == '+' ) { + input = InpPlus; + } else if ( c == '|' ) { + input = InpPipe; + } else if ( c == ',' ) { + input = InpComm; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Ws1: + next_eat_ws(); + break; + case CS: + parseOk = parseChoiceSeq(); + break; + case Ws2: + next_eat_ws(); + break; + case More: + next_eat_ws(); + break; + case Name: + parseOk = parseName(); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case CS: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGCHOICE; + goto parseError; + } + break; + case Name: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a EntityDecl [70]. + + Precondition: the beginning '<!E' is already read and the head + stand on the 'N' of '<!ENTITY' +*/ +bool QXmlSimpleReader::parseEntityDecl() +{ + const signed char Init = 0; + const signed char Ent = 1; // parse "ENTITY" + const signed char Ws1 = 2; // white space read + const signed char Name = 3; // parse name + const signed char Ws2 = 4; // white space read + const signed char EValue = 5; // parse entity value + const signed char ExtID = 6; // parse ExternalID + const signed char Ws3 = 7; // white space read + const signed char Ndata = 8; // parse "NDATA" + const signed char Ws4 = 9; // white space read + const signed char NNam = 10; // parse name + const signed char PEDec = 11; // parse PEDecl + const signed char Ws6 = 12; // white space read + const signed char PENam = 13; // parse name + const signed char Ws7 = 14; // white space read + const signed char PEVal = 15; // parse entity value + const signed char PEEID = 16; // parse ExternalID + const signed char WsE = 17; // white space read + const signed char EDDone = 19; // done, but also report an external, unparsed entity decl + const signed char Done = 18; + + const signed char InpWs = 0; // white space + const signed char InpPer = 1; // % + const signed char InpQuot = 2; // " or ' + const signed char InpGt = 3; // > + const signed char InpN = 4; // N + const signed char InpUnknown = 5; + + // use some kind of state machine for parsing + static const signed char table[18][6] = { + /* InpWs InpPer InpQuot InpGt InpN InpUnknown */ + { -1, -1, -1, -1, Ent, -1 }, // Init + { Ws1, -1, -1, -1, -1, -1 }, // Ent + { -1, PEDec, -1, -1, Name, Name }, // Ws1 + { Ws2, -1, -1, -1, -1, -1 }, // Name + { -1, -1, EValue, -1, -1, ExtID }, // Ws2 + { WsE, -1, -1, Done, -1, -1 }, // EValue + { Ws3, -1, -1, EDDone,-1, -1 }, // ExtID + { -1, -1, -1, EDDone,Ndata, -1 }, // Ws3 + { Ws4, -1, -1, -1, -1, -1 }, // Ndata + { -1, -1, -1, -1, NNam, NNam }, // Ws4 + { WsE, -1, -1, Done, -1, -1 }, // NNam + { Ws6, -1, -1, -1, -1, -1 }, // PEDec + { -1, -1, -1, -1, PENam, PENam }, // Ws6 + { Ws7, -1, -1, -1, -1, -1 }, // PENam + { -1, -1, PEVal, -1, -1, PEEID }, // Ws7 + { WsE, -1, -1, Done, -1, -1 }, // PEVal + { WsE, -1, -1, Done, -1, -1 }, // PEEID + { -1, -1, -1, Done, -1, -1 } // WsE + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_S(c) ) { + input = InpWs; + } else if ( c == '%' ) { + input = InpPer; + } else if ( c == '"' || c == '\'' ) { + input = InpQuot; + } else if ( c == '>' ) { + input = InpGt; + } else if ( c == 'N' ) { + input = InpN; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Ent: + parseOk = parseString( "NTITY" ); + break; + case Ws1: + eat_ws(); + break; + case Name: + parseOk = parseName(); + break; + case Ws2: + eat_ws(); + break; + case EValue: + parseOk = parseEntityValue(); + break; + case ExtID: + parseOk = parseExternalID(); + break; + case Ws3: + eat_ws(); + break; + case Ndata: + parseOk = parseString( "NDATA" ); + break; + case Ws4: + eat_ws(); + break; + case NNam: + parseOk = parseName( TRUE ); + break; + case PEDec: + next(); + break; + case Ws6: + eat_ws(); + break; + case PENam: + parseOk = parseName(); + break; + case Ws7: + eat_ws(); + break; + case PEVal: + parseOk = parseEntityValue(); + break; + case PEEID: + parseOk = parseExternalID(); + break; + case WsE: + eat_ws(); + break; + case EDDone: + next(); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case Ent: + if ( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case Name: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + break; + case EValue: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGENTITYVALUE; + goto parseError; + } + if ( !entityExist( name() ) ) { + d->entities.insert( name(), string() ); + if ( declHnd ) { + if ( !declHnd->internalEntityDecl( name(), string() ) ) { + d->error = declHnd->errorString(); + goto parseError; + } + } + } + break; + case ExtID: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGEXTERNALID; + goto parseError; + } + break; + case Ndata: + if ( !parseOk ) { + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + break; + case NNam: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + if ( !entityExist( name() ) ) { + d->externEntities.insert( name(), QXmlSimpleReaderPrivate::ExternEntity( d->publicId, d->systemId, ref() ) ); + if ( dtdHnd ) { + if ( !dtdHnd->unparsedEntityDecl( name(), d->publicId, d->systemId, ref() ) ) { + d->error = declHnd->errorString(); + goto parseError; + } + } + } + break; + case PENam: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + break; + case PEVal: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGENTITYVALUE; + goto parseError; + } + if ( !entityExist( name() ) ) { + d->parameterEntities.insert( name(), string() ); + if ( declHnd ) { + if ( !declHnd->internalEntityDecl( QString("%")+name(), string() ) ) { + d->error = declHnd->errorString(); + goto parseError; + } + } + } + break; + case PEEID: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGEXTERNALID; + goto parseError; + } + if ( !entityExist( name() ) ) { + d->externParameterEntities.insert( name(), QXmlSimpleReaderPrivate::ExternParameterEntity( d->publicId, d->systemId ) ); + if ( declHnd ) { + if ( !declHnd->externalEntityDecl( QString("%")+name(), d->publicId, d->systemId ) ) { + d->error = declHnd->errorString(); + goto parseError; + } + } + } + break; + case EDDone: + if ( !entityExist( name() ) ) { + d->externEntities.insert( name(), QXmlSimpleReaderPrivate::ExternEntity( d->publicId, d->systemId, QString::null ) ); + if ( declHnd ) { + if ( !declHnd->externalEntityDecl( name(), d->publicId, d->systemId ) ) { + d->error = declHnd->errorString(); + goto parseError; + } + } + } + return TRUE; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_LETTEREXPECTED; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a EntityValue [9] +*/ +bool QXmlSimpleReader::parseEntityValue() +{ + bool tmp; + + const signed char Init = 0; + const signed char Dq = 1; // EntityValue is double quoted + const signed char DqC = 2; // signed character + const signed char DqPER = 3; // PERefence + const signed char DqRef = 4; // Reference + const signed char Sq = 5; // EntityValue is double quoted + const signed char SqC = 6; // signed character + const signed char SqPER = 7; // PERefence + const signed char SqRef = 8; // Reference + const signed char Done = 9; + + const signed char InpDq = 0; // " + const signed char InpSq = 1; // ' + const signed char InpAmp = 2; // & + const signed char InpPer = 3; // % + const signed char InpUnknown = 4; + + // use some kind of state machine for parsing + static const signed char table[9][5] = { + /* InpDq InpSq InpAmp InpPer InpUnknown */ + { Dq, Sq, -1, -1, -1 }, // Init + { Done, DqC, DqRef, DqPER, DqC }, // Dq + { Done, DqC, DqRef, DqPER, DqC }, // DqC + { Done, DqC, DqRef, DqPER, DqC }, // DqPER + { Done, DqC, DqRef, DqPER, DqC }, // DqRef + { SqC, Done, SqRef, SqPER, SqC }, // Sq + { SqC, Done, SqRef, SqPER, SqC }, // SqC + { SqC, Done, SqRef, SqPER, SqC }, // SqPER + { SqC, Done, SqRef, SqPER, SqC } // SqRef + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( c == '"' ) { + input = InpDq; + } else if ( c == '\'' ) { + input = InpSq; + } else if ( c == '&' ) { + input = InpAmp; + } else if ( c == '%' ) { + input = InpPer; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Dq: + case Sq: + stringClear(); + next(); + break; + case DqC: + case SqC: + stringAddC(); + next(); + break; + case DqPER: + case SqPER: + parseOk = parsePEReference( InEntityValue ); + break; + case DqRef: + case SqRef: + parseOk = parseReference( tmp, InEntityValue ); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case DqPER: + case SqPER: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGDOCTYPE; + goto parseError; + } + break; + case DqRef: + case SqRef: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGREFERENCE; + goto parseError; + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_LETTEREXPECTED; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a comment [15]. + + Precondition: the beginning '<!' of the comment is already read and the head + stands on the first '-' of '<!--'. + + If this funktion was successful, the head-position is on the first + character after the comment. +*/ +bool QXmlSimpleReader::parseComment() +{ + const signed char Init = 0; + const signed char Dash1 = 1; // the first dash was read + const signed char Dash2 = 2; // the second dash was read + const signed char Com = 3; // read comment + const signed char Com2 = 4; // read comment (help state) + const signed char ComE = 5; // finished reading comment + const signed char Done = 6; + + const signed char InpDash = 0; // - + const signed char InpGt = 1; // > + const signed char InpUnknown = 2; + + // use some kind of state machine for parsing + static const signed char table[6][3] = { + /* InpDash InpGt InpUnknown */ + { Dash1, -1, -1 }, // Init + { Dash2, -1, -1 }, // Dash1 + { Com2, Com, Com }, // Dash2 + { Com2, Com, Com }, // Com + { ComE, Com, Com }, // Com2 + { -1, Done, -1 } // ComE + }; + signed char state = Init; + signed char input; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( c == '-' ) { + input = InpDash; + } else if ( c == '>' ) { + input = InpGt; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Dash1: + next(); + break; + case Dash2: + next(); + break; + case Com: + stringAddC(); + next(); + break; + case Com2: + next(); + break; + case ComE: + next(); + break; + case Done: + next(); + break; + } + // no input is read after this + switch ( state ) { + case Dash2: + stringClear(); + break; + case Com2: + // if next character is not a dash than don't skip it + if ( c != '-' ) { + stringAddC( '-' ); + } + break; + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_ERRORPARSINGCOMMENT; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a Attribute [41]. + + Precondition: the head stands on the first character of the name of the + attribute (i.e. all whitespaces are already parsed). + + The head stand on the next character after the end quotes. The variable name + contains the name of the attribute and the variable string contains the value + of the attribute. +*/ +bool QXmlSimpleReader::parseAttribute() +{ + const signed char Init = 0; + const signed char PName = 1; // parse name + const signed char Ws = 2; // eat ws + const signed char Eq = 3; // the '=' was read + const signed char Quotes = 4; // " or ' were read + + const signed char InpNameBe = 0; + const signed char InpEq = 1; // = + const signed char InpDq = 2; // " + const signed char InpSq = 3; // ' + const signed char InpUnknown = 4; + + // use some kind of state machine for parsing + static const signed char table[4][5] = { + /* InpNameBe InpEq InpDq InpSq InpUnknown */ + { PName, -1, -1, -1, -1 }, // Init + { -1, Eq, -1, -1, Ws }, // PName + { -1, Eq, -1, -1, -1 }, // Ws + { -1, -1, Quotes, Quotes, -1 } // Eq + }; + signed char state = Init; + signed char input; + bool parseOk = TRUE; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_NameBeginning(c) ) { + input = InpNameBe; + } else if ( c == '=' ) { + input = InpEq; + } else if ( c == '"' ) { + input = InpDq; + } else if ( c == '\'' ) { + input = InpSq; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case PName: + parseOk = parseName(); + break; + case Ws: + eat_ws(); + break; + case Eq: + next_eat_ws(); + break; + case Quotes: + parseOk = parseAttValue(); + break; + } + // no input is read after this + switch ( state ) { + case PName: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGNAME; + goto parseError; + } + break; + case Quotes: + if ( !parseOk ) { + d->error = XMLERR_ERRORPARSINGATTVALUE; + goto parseError; + } + // Done + return TRUE; + case -1: + // Error + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a Name [5] and store the name in name or ref (if useRef is TRUE). +*/ +bool QXmlSimpleReader::parseName( bool useRef ) +{ + const signed char Init = 0; + const signed char Name1 = 1; // parse first signed character of the name + const signed char Name = 2; // parse name + const signed char Done = 3; + + const signed char InpNameBe = 0; // name beginning signed characters + const signed char InpNameCh = 1; // NameChar without InpNameBe + const signed char InpUnknown = 2; + + // use some kind of state machine for parsing + static const signed char table[3][3] = { + /* InpNameBe InpNameCh InpUnknown */ + { Name1, -1, -1 }, // Init + { Name, Name, Done }, // Name1 + { Name, Name, Done } // Name + }; + signed char state = Init; + signed char input; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_NameBeginning(c) ) { + input = InpNameBe; + } else if ( is_NameChar(c) ) { + input = InpNameCh; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case Name1: + if ( useRef ) { + refClear(); + refAddC(); + } else { + nameClear(); + nameAddC(); + } + next(); + break; + case Name: + if ( useRef ) { + refAddC(); + } else { + nameAddC(); + } + next(); + break; + } + // no input is read after this + switch ( state ) { + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_LETTEREXPECTED; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a Nmtoken [7] and store the name in name. +*/ +bool QXmlSimpleReader::parseNmtoken() +{ + const signed char Init = 0; + const signed char NameF = 1; + const signed char Name = 2; + const signed char Done = 3; + + const signed char InpNameCh = 0; // NameChar without InpNameBe + const signed char InpUnknown = 1; + + // use some kind of state machine for parsing + static const signed char table[3][2] = { + /* InpNameCh InpUnknown */ + { NameF, -1 }, // Init + { Name, Done }, // NameF + { Name, Done } // Name + }; + signed char state = Init; + signed char input; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( is_NameChar(c) ) { + input = InpNameCh; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case NameF: + nameClear(); + nameAddC(); + next(); + break; + case Name: + nameAddC(); + next(); + break; + } + // no input is read after this + switch ( state ) { + case Done: + return TRUE; + case -1: + // Error + d->error = XMLERR_LETTEREXPECTED; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Parse a Reference [67]. + + charDataRead is set to TRUE if the reference must not be parsed. The + character(s) which the reference mapped to are appended to string. The + head stands on the first character after the reference. + + charDataRead is set to FALSE if the reference must be parsed. The + charachter(s) which the reference mapped to are inserted at the reference + position. The head stands on the first character of the replacement). +*/ +bool QXmlSimpleReader::parseReference( bool &charDataRead, EntityRecognitionContext context ) +{ + // temporary variables + uint tmp; + bool ok; + + const signed char Init = 0; + const signed char SRef = 1; // start of a reference + const signed char ChRef = 2; // parse CharRef + const signed char ChDec = 3; // parse CharRef decimal + const signed char ChHexS = 4; // start CharRef hexadecimal + const signed char ChHex = 5; // parse CharRef hexadecimal + const signed char Name = 6; // parse name + const signed char DoneD = 7; // done CharRef decimal + const signed char DoneH = 8; // done CharRef hexadecimal + const signed char DoneN = 9; // done EntityRef + + const signed char InpAmp = 0; // & + const signed char InpSemi = 1; // ; + const signed char InpHash = 2; // # + const signed char InpX = 3; // x + const signed char InpNum = 4; // 0-9 + const signed char InpHex = 5; // a-f A-F + const signed char InpUnknown = 6; + + // use some kind of state machine for parsing + static const signed char table[8][7] = { + /* InpAmp InpSemi InpHash InpX InpNum InpHex InpUnknown */ + { SRef, -1, -1, -1, -1, -1, -1 }, // Init + { -1, -1, ChRef, Name, Name, Name, Name }, // SRef + { -1, -1, -1, ChHexS, ChDec, -1, -1 }, // ChRef + { -1, DoneD, -1, -1, ChDec, -1, -1 }, // ChDec + { -1, -1, -1, -1, ChHex, ChHex, -1 }, // ChHexS + { -1, DoneH, -1, -1, ChHex, ChHex, -1 }, // ChHex + { -1, DoneN, -1, -1, -1, -1, -1 } // Name + }; + signed char state = Init; + signed char input; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( c.row() ) { + input = InpUnknown; + } else if ( c.cell() == '&' ) { + input = InpAmp; + } else if ( c.cell() == ';' ) { + input = InpSemi; + } else if ( c.cell() == '#' ) { + input = InpHash; + } else if ( c.cell() == 'x' ) { + input = InpX; + } else if ( '0' <= c.cell() && c.cell() <= '9' ) { + input = InpNum; + } else if ( 'a' <= c.cell() && c.cell() <= 'f' ) { + input = InpHex; + } else if ( 'A' <= c.cell() && c.cell() <= 'F' ) { + input = InpHex; + } else { + input = InpUnknown; + } + + // set state according to input + state = table[state][input]; + + // do some actions according to state + switch ( state ) { + case SRef: + refClear(); + next(); + break; + case ChRef: + next(); + break; + case ChDec: + refAddC(); + next(); + break; + case ChHexS: + next(); + break; + case ChHex: + refAddC(); + next(); + break; + case Name: + // read the name into the ref + parseName( TRUE ); + break; + case DoneD: + tmp = ref().toUInt( &ok, 10 ); + if ( ok ) { + stringAddC( QChar(tmp) ); + } else { + d->error = XMLERR_ERRORPARSINGREFERENCE; + goto parseError; + } + charDataRead = TRUE; + next(); + break; + case DoneH: + tmp = ref().toUInt( &ok, 16 ); + if ( ok ) { + stringAddC( QChar(tmp) ); + } else { + d->error = XMLERR_ERRORPARSINGREFERENCE; + goto parseError; + } + charDataRead = TRUE; + next(); + break; + case DoneN: + if ( !processReference( charDataRead, context ) ) + goto parseError; + next(); + break; + } + // no input is read after this + switch ( state ) { + case DoneD: + return TRUE; + case DoneH: + return TRUE; + case DoneN: + return TRUE; + case -1: + // Error + d->error = XMLERR_ERRORPARSINGREFERENCE; + goto parseError; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + +/*! + Helper function for parseReference() +*/ +bool QXmlSimpleReader::processReference( bool &charDataRead, EntityRecognitionContext context ) +{ + QString reference = ref(); + if ( reference == "amp" ) { + if ( context == InEntityValue ) { + // Bypassed + stringAddC( '&' ); stringAddC( 'a' ); stringAddC( 'm' ); stringAddC( 'p' ); stringAddC( ';' ); + } else { + // Included or Included in literal + stringAddC( '&' ); + } + charDataRead = TRUE; + } else if ( reference == "lt" ) { + if ( context == InEntityValue ) { + // Bypassed + stringAddC( '&' ); stringAddC( 'l' ); stringAddC( 't' ); stringAddC( ';' ); + } else { + // Included or Included in literal + stringAddC( '<' ); + } + charDataRead = TRUE; + } else if ( reference == "gt" ) { + if ( context == InEntityValue ) { + // Bypassed + stringAddC( '&' ); stringAddC( 'g' ); stringAddC( 't' ); stringAddC( ';' ); + } else { + // Included or Included in literal + stringAddC( '>' ); + } + charDataRead = TRUE; + } else if ( reference == "apos" ) { + if ( context == InEntityValue ) { + // Bypassed + stringAddC( '&' ); stringAddC( 'a' ); stringAddC( 'p' ); stringAddC( 'o' ); stringAddC( 's' ); stringAddC( ';' ); + } else { + // Included or Included in literal + stringAddC( '\'' ); + } + charDataRead = TRUE; + } else if ( reference == "quot" ) { + if ( context == InEntityValue ) { + // Bypassed + stringAddC( '&' ); stringAddC( 'q' ); stringAddC( 'u' ); stringAddC( 'o' ); stringAddC( 't' ); stringAddC( ';' ); + } else { + // Included or Included in literal + stringAddC( '"' ); + } + charDataRead = TRUE; + } else { + QMap<QString,QString>::Iterator it; + it = d->entities.find( reference ); + if ( it != d->entities.end() ) { + // "Internal General" + switch ( context ) { + case InContent: + // Included + xmlRef = it.data() + xmlRef; + charDataRead = FALSE; + break; + case InAttributeValue: + // Included in literal + xmlRef = it.data().replace( QRegExp("\""), """ ).replace( QRegExp("'"), "'" ) + + xmlRef; + charDataRead = FALSE; + break; + case InEntityValue: + { + // Bypassed + stringAddC( '&' ); + for ( int i=0; i<(int)reference.length(); i++ ) { + stringAddC( reference[i] ); + } + stringAddC( ';'); + charDataRead = TRUE; + } + break; + case InDTD: + // Forbidden + d->error = XMLERR_INTERNALGENERALENTITYINDTD; + charDataRead = FALSE; + break; + } + } else { + QMap<QString,QXmlSimpleReaderPrivate::ExternEntity>::Iterator itExtern; + itExtern = d->externEntities.find( reference ); + if ( itExtern == d->externEntities.end() ) { + // entity not declared + // ### check this case for conformance + if ( context == InEntityValue ) { + // Bypassed + stringAddC( '&' ); + for ( int i=0; i<(int)reference.length(); i++ ) { + stringAddC( reference[i] ); + } + stringAddC( ';'); + charDataRead = TRUE; + } else { + if ( contentHnd ) { + if ( !contentHnd->skippedEntity( reference ) ) { + d->error = contentHnd->errorString(); + return FALSE; // error + } + } + } + } else if ( (*itExtern).notation.isNull() ) { + // "External Parsed General" + switch ( context ) { + case InContent: + // Included if validating + if ( contentHnd ) { + if ( !contentHnd->skippedEntity( reference ) ) { + d->error = contentHnd->errorString(); + return FALSE; // error + } + } + charDataRead = FALSE; + break; + case InAttributeValue: + // Forbidden + d->error = XMLERR_EXTERNALGENERALENTITYINAV; + charDataRead = FALSE; + break; + case InEntityValue: + { + // Bypassed + stringAddC( '&' ); + for ( int i=0; i<(int)reference.length(); i++ ) { + stringAddC( reference[i] ); + } + stringAddC( ';'); + charDataRead = TRUE; + } + break; + case InDTD: + // Forbidden + d->error = XMLERR_EXTERNALGENERALENTITYINDTD; + charDataRead = FALSE; + break; + } + } else { + // "Unparsed" + // ### notify for "Occurs as Attribute Value" missing (but this is no refence, anyway) + // Forbidden + d->error = XMLERR_UNPARSEDENTITYREFERENCE; + charDataRead = FALSE; + return FALSE; // error + } + } + } + return TRUE; // no error +} + + +/*! + Parse over a simple string. + + After the string was successfully parsed, the head is on the first + character after the string. +*/ +bool QXmlSimpleReader::parseString( const QString& s ) +{ + signed char Done = s.length(); + + const signed char InpCharExpected = 0; // the character that was expected + const signed char InpUnknown = 1; + + signed char state = 0; // state in this function is the position in the string s + signed char input; + + for (;;) { + + // get input + if ( atEnd() ) { + d->error = XMLERR_UNEXPECTEDEOF; + goto parseError; + } + if ( c == s[(int)state] ) { + input = InpCharExpected; + } else { + input = InpUnknown; + } + + // set state according to input + if ( input == InpCharExpected ) { + state++; + } else { + // Error + d->error = XMLERR_UNEXPECTEDCHARACTER; + goto parseError; + } + + // do some actions according to state + next(); + // no input is read after this + if ( state == Done ) { + return TRUE; + } + + } + + return TRUE; + +parseError: + reportParseError(); + return FALSE; +} + + +/*! + Inits the data values. +*/ +void QXmlSimpleReader::init( const QXmlInputSource& i ) +{ + xml = i.data(); + xmlLength = xml.length(); + xmlRef = ""; + + d->externParameterEntities.clear(); + d->parameterEntities.clear(); + d->externEntities.clear(); + d->entities.clear(); + + tags.clear(); + + d->doctype = ""; + d->xmlVersion = ""; + d->encoding = ""; + d->standalone = QXmlSimpleReaderPrivate::Unknown; + + lineNr = 0; + columnNr = -1; + pos = 0; + next(); + d->error = XMLERR_OK; +} + +/*! + Returns TRUE if a entity with the name \a e exists, + otherwise returns FALSE. +*/ +bool QXmlSimpleReader::entityExist( const QString& e ) const +{ + if ( d->parameterEntities.find(e) == d->parameterEntities.end() && + d->externParameterEntities.find(e) == d->externParameterEntities.end() ) { + return FALSE; + } else { + return TRUE; + } +} + +void QXmlSimpleReader::reportParseError() +{ + if ( errorHnd ) + errorHnd->fatalError( QXmlParseException( d->error, columnNr+1, lineNr+1 ) ); +} + +//US #endif //QT_NO_XML |