From 155d68c1e7d7dc0fed2534ac43d6d77ce2781f55 Mon Sep 17 00:00:00 2001
From: llornkcor <llornkcor>
Date: Thu, 10 Jul 2003 02:40:10 +0000
Subject: update qmake to 1.05a
---
(limited to 'qmake/tools/qstring.cpp')
diff --git a/qmake/tools/qstring.cpp b/qmake/tools/qstring.cpp
index 56df62b..7f1fac3 100644
--- a/qmake/tools/qstring.cpp
+++ b/qmake/tools/qstring.cpp
@@ -5,7 +5,7 @@
**
** Created : 920722
**
-** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
+** Copyright (C) 1992-2002 Trolltech AS. All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
@@ -47,11 +47,11 @@
#ifndef QT_NO_TEXTCODEC
#include "qtextcodec.h"
#endif
-#include <ctype.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#if defined(Q_WS_WIN)
#include "qt_windows.h"
#endif
@@ -59,6 +59,10 @@
#include "qcleanuphandler.h"
#endif
+#ifdef QT_NO_UNICODETABLES
+# include <ctype.h>
+#endif
+
/* -------------------------------------------------------------------------
* unicode information
@@ -11787,6 +11791,7 @@ static inline QChar::Direction direction( const QChar &c )
if(!rowp) return QChar::DirL;
return (QChar::Direction) ( *(rowp+c.cell()) & 0x1f );
#else
+ Q_UNUSED(c);
return QChar::DirL;
#endif
}
@@ -11799,6 +11804,7 @@ static inline bool mirrored( const QChar &c )
return FALSE;
return *(rowp+c.cell())>128;
#else
+ Q_UNUSED(c);
return FALSE;
#endif
}
@@ -11900,7 +11906,7 @@ static uint computeNewMax( uint len )
uint newMax = 4;
while ( newMax < len )
newMax *= 2;
- // try to spare some memory
+ // try to save some memory
if ( newMax >= 1024 * 1024 && len <= newMax - (newMax >> 2) )
newMax -= newMax >> 2;
return newMax;
@@ -12891,7 +12897,7 @@ void QString::compose()
delete[].
*/
-QChar* QString::asciiToUnicode( const QByteArray& ba, uint* len )
+QChar* QString::latin1ToUnicode( const QByteArray& ba, uint* len )
{
if ( ba.isNull() ) {
*len = 0;
@@ -12910,7 +12916,7 @@ QChar* QString::asciiToUnicode( const QByteArray& ba, uint* len )
return result;
}
-static QChar* internalAsciiToUnicode( const QByteArray& ba, uint* len )
+static QChar* internalLatin1ToUnicode( const QByteArray& ba, uint* len )
{
if ( ba.isNull() ) {
*len = 0;
@@ -12940,7 +12946,7 @@ static QChar* internalAsciiToUnicode( const QByteArray& ba, uint* len )
delete[].
*/
-QChar* QString::asciiToUnicode( const char *str, uint* len, uint maxlen )
+QChar* QString::latin1ToUnicode( const char *str, uint* len, uint maxlen )
{
QChar* result = 0;
uint l = 0;
@@ -12950,7 +12956,7 @@ QChar* QString::asciiToUnicode( const char *str, uint* len, uint maxlen )
l++;
} else {
// Faster?
- l = qstrlen(str);
+ l = strlen( str );
}
QChar *uc = new QChar[ l ]; // Can't use macro since function is public
result = uc;
@@ -12963,7 +12969,7 @@ QChar* QString::asciiToUnicode( const char *str, uint* len, uint maxlen )
return result;
}
-static QChar* internalAsciiToUnicode( const char *str, uint* len,
+static QChar* internalLatin1ToUnicode( const char *str, uint* len,
uint maxlen = (uint)-1 )
{
QChar* result = 0;
@@ -12974,7 +12980,7 @@ static QChar* internalAsciiToUnicode( const char *str, uint* len,
l++;
} else {
// Faster?
- l = qstrlen(str);
+ l = strlen( str );
}
QChar *uc = QT_ALLOC_QCHAR_VEC( l );
result = uc;
@@ -12994,7 +13000,7 @@ static QChar* internalAsciiToUnicode( const char *str, uint* len,
The caller is responsible for deleting the resultant string with
delete[].
*/
-char* QString::unicodeToAscii(const QChar *uc, uint l)
+char* QString::unicodeToLatin1(const QChar *uc, uint l)
{
if (!uc) {
return 0;
@@ -13157,35 +13163,6 @@ QStringData* QString::makeSharedNull()
return QString::shared_null;
}
-// Uncomment this to get some useful statistics.
-// #define Q2HELPER(x) x
-
-#ifdef Q2HELPER
-static int stat_construct_charstar=0;
-static int stat_construct_charstar_size=0;
-static int stat_construct_null=0;
-static int stat_construct_int=0;
-static int stat_construct_int_size=0;
-static int stat_construct_ba=0;
-static int stat_get_ascii=0;
-static int stat_get_ascii_size=0;
-static int stat_copy_on_write=0;
-static int stat_copy_on_write_size=0;
-static int stat_fast_copy=0;
-Q_EXPORT void qt_qstring_stats()
-{
- qDebug("construct_charstar = %d (%d chars)", stat_construct_charstar, stat_construct_charstar_size);
- qDebug("construct_null = %d", stat_construct_null);
- qDebug("construct_int = %d (%d chars)", stat_construct_int, stat_construct_int_size);
- qDebug("construct_ba = %d", stat_construct_ba);
- qDebug("get_ascii = %d (%d chars)", stat_get_ascii, stat_get_ascii_size);
- qDebug("copy_on_write = %d (%d chars)", stat_copy_on_write, stat_copy_on_write_size);
- qDebug("fast_copy = %d", stat_fast_copy);
-}
-#else
-#define Q2HELPER(x)
-#endif
-
/*!
\fn QString::QString()
@@ -13211,7 +13188,6 @@ QString::QString( QChar ch )
QString::QString( const QString &s ) :
d(s.d)
{
- Q2HELPER(stat_fast_copy++)
d->ref();
}
@@ -13230,13 +13206,10 @@ QString::QString( const QString &s ) :
QString::QString( int size, bool /*dummy*/ )
{
if ( size ) {
- Q2HELPER(stat_construct_int++)
int l = size;
- Q2HELPER(stat_construct_int_size+=l)
QChar* uc = QT_ALLOC_QCHAR_VEC( l );
d = new QStringData( uc, 0, l );
} else {
- Q2HELPER(stat_construct_null++)
d = shared_null ? shared_null : (shared_null=new QStringData);
d->ref();
}
@@ -13249,9 +13222,15 @@ QString::QString( int size, bool /*dummy*/ )
QString::QString( const QByteArray& ba )
{
- Q2HELPER(stat_construct_ba++)
+#ifndef QT_NO_TEXTCODEC
+ if ( QTextCodec::codecForCStrings() ) {
+ d = 0;
+ *this = fromAscii( ba.data(), ba.size() );
+ return;
+ }
+#endif
uint l;
- QChar *uc = internalAsciiToUnicode(ba,&l);
+ QChar *uc = internalLatin1ToUnicode(ba,&l);
d = new QStringData(uc,l,l);
}
@@ -13302,12 +13281,39 @@ QString::QString( const QChar* unicode, uint length )
QString::QString( const char *str )
{
- Q2HELPER(stat_construct_charstar++)
+#ifndef QT_NO_TEXTCODEC
+ if ( QTextCodec::codecForCStrings() ) {
+ d = 0;
+ *this = fromAscii( str );
+ return;
+ }
+#endif
+ uint l;
+ QChar *uc = internalLatin1ToUnicode(str,&l);
+ d = new QStringData(uc,l,l);
+}
+
+#ifndef QT_NO_STL
+/*!
+ Constructs a string that is a deep copy of \a str.
+
+ This is the same as fromAscii(\a str).
+*/
+
+QString::QString( const std::string &str )
+{
+#ifndef QT_NO_TEXTCODEC
+ if ( QTextCodec::codecForCStrings() ) {
+ d = 0;
+ *this = fromAscii( str.c_str() );
+ return;
+ }
+#endif
uint l;
- QChar *uc = internalAsciiToUnicode(str,&l);
- Q2HELPER(stat_construct_charstar_size+=l)
+ QChar *uc = internalLatin1ToUnicode(str.c_str(),&l);
d = new QStringData(uc,l,l);
}
+#endif
/*!
\fn QString::~QString()
@@ -13333,10 +13339,10 @@ void QString::real_detach()
void QString::deref()
{
- if ( d->deref() ) {
+ if ( d && d->deref() ) {
if ( d != shared_null )
delete d;
- d = 0; // helps debugging
+ d = 0;
}
}
@@ -13352,6 +13358,15 @@ void QStringData::deleteSelf()
*/
/*!
+ \fn QString& QString::operator=( const std::string& s )
+
+ \overload
+
+ Makes a deep copy of \a s and returns a reference to the deep
+ copy.
+*/
+
+/*!
\fn QString& QString::operator=( char c )
\overload
@@ -13368,7 +13383,6 @@ void QStringData::deleteSelf()
*/
QString &QString::operator=( const QString &s )
{
- Q2HELPER(stat_fast_copy++)
s.d->ref();
deref();
d = s.d;
@@ -13383,7 +13397,7 @@ QString &QString::operator=( const QString &s )
*/
QString &QString::operator=( const QCString& cs )
{
- return setLatin1(cs);
+ return setAscii(cs);
}
@@ -13399,7 +13413,7 @@ QString &QString::operator=( const QCString& cs )
*/
QString &QString::operator=( const char *str )
{
- return setLatin1(str);
+ return setAscii(str);
}
@@ -13471,8 +13485,7 @@ void QString::truncate( uint newLen )
string, and sets the length of the string to \a newLen. Any new
space allocated contains arbitrary data.
- If \a newLen is 0, then the string becomes empty, unless the
- string is null, in which case it remains null.
+ If \a newLen is 0, then the string becomes empty (non-null).
If it is not possible to allocate enough memory, the string
remains unchanged.
@@ -13486,12 +13499,12 @@ void QString::truncate( uint newLen )
we're fairly sure that size is big enough:
\code
QString result;
- int resultLength = 0;
- result.setLength( newLen ) // allocate some space
+ int len = 0;
+ result.setLength( maxLen ); // allocate some space
while ( ... ) {
- result[resultLength++] = ... // fill (part of) the space with data
+ result[len++] = ... // fill part of the space
}
- result.truncate[resultLength]; // and get rid of the undefined junk
+ result.truncate( len ); // and get rid of the rest
\endcode
If \a newLen is an underestimate, the worst that will happen is
@@ -13505,8 +13518,6 @@ void QString::setLength( uint newLen )
if ( d->count != 1 || newLen > d->maxl ||
( newLen * 4 < d->maxl && d->maxl > 4 ) ) {
// detach, grow or shrink
- Q2HELPER(stat_copy_on_write++)
- Q2HELPER(stat_copy_on_write_size+=d->len)
uint newMax = computeNewMax( newLen );
QChar* nd = QT_ALLOC_QCHAR_VEC( newMax );
if ( nd ) {
@@ -13530,21 +13541,20 @@ void QString::setLength( uint newLen )
\a a is padded to. A positive value will produce right-aligned
text, whereas a negative value will produce left-aligned text.
+ The following example shows how we could create a 'status' string
+ when processing a list of files:
\code
- QString firstName( "Joe" );
- QString lastName( "Bloggs" );
- QString fullName;
- fullName = QString( "First name is '%1', last name is '%2'" )
- .arg( firstName )
- .arg( lastName );
-
- // fullName == First name is 'Joe', last name is 'Bloggs'
+ QString status = QString( "Processing file %1 of %2: %3" )
+ .arg( i ) // current file's number
+ .arg( total ) // number of files to process
+ .arg( fileName ); // current file's name
\endcode
- Note that using arg() to construct sentences as we've done in the
- example above does not usually translate well into other languages
- because sentence structure and word order often differ between
- languages.
+ It is generally fine to use filenames and numbers as we have done
+ in the example above. But note that using arg() to construct
+ natural language sentences does not usually translate well into
+ other languages because sentence structure and word order often
+ differ between languages.
If there is no place marker (\c %1 or \c %2, etc.), a warning
message (qWarning()) is output and the text is appended at the
@@ -13774,7 +13784,7 @@ QString &QString::sprintf( const char* cformat, ... )
*this = fromLatin1( "" );
return *this;
}
- QString format = fromLatin1( cformat );
+ QString format = fromAscii( cformat );
QRegExp escape( "%#?0?-? ?\\+?'?[0-9*]*\\.?[0-9*]*h?l?L?q?Z?" );
QString result;
@@ -13913,7 +13923,7 @@ QString &QString::sprintf( const char* cformat, ... )
}
}
}
- replacement = fromLatin1( out );
+ replacement = fromAscii( out );
}
result += replacement;
}
@@ -14124,8 +14134,10 @@ int QString::find( const QString& str, int index, bool cs ) const
if ( !sl )
return index;
+#ifndef MACOSX_101
if ( sl == 1 )
return find( *str.unicode(), index, cs );
+#endif
// we use the Boyer-Moore algorithm in cases where the overhead
// for the hash table should pay off, otherwise we use a simple
@@ -14221,6 +14233,9 @@ int QString::find( const QString& str, int index, bool cs ) const
int QString::findRev( QChar c, int index, bool cs ) const
{
+#ifdef MACOSX_101
+ return findRev( QString( c ), index, cs );
+#else
const uint l = length();
if ( index < 0 )
index += l;
@@ -14237,6 +14252,7 @@ int QString::findRev( QChar c, int index, bool cs ) const
uc--;
}
return uc - end;
+#endif
}
/*!
@@ -14273,8 +14289,10 @@ int QString::findRev( const QString& str, int index, bool cs ) const
if ( index > delta )
index = delta;
+#ifndef MACOSX_101
if ( sl == 1 )
return findRev( *str.unicode(), index, cs );
+#endif
const QChar* needle = str.unicode();
const QChar* haystack = unicode() + index;
@@ -14979,19 +14997,24 @@ QString QString::rightJustify( uint width, QChar fill, bool truncate ) const
QString QString::lower() const
{
- QString s(*this);
- int l=length();
- if ( l ) {
- s.real_detach(); // could do this only when we find a change
- register QChar *p=s.d->unicode;
- if ( p ) {
- while ( l-- ) {
+ int l = length();
+ register QChar *p = d->unicode;
+ while ( l ) {
+ if ( *p != ::lower(*p) ) {
+ QString s( *this );
+ s.real_detach();
+ p = s.d->unicode + ( p - d->unicode );
+ while ( l ) {
*p = ::lower( *p );
+ l--;
p++;
}
+ return s;
}
+ l--;
+ p++;
}
- return s;
+ return *this;
}
/*!
@@ -15007,19 +15030,24 @@ QString QString::lower() const
QString QString::upper() const
{
- QString s(*this);
- int l=length();
- if ( l ) {
- s.real_detach(); // could do this only when we find a change
- register QChar *p=s.d->unicode;
- if ( p ) {
- while ( l-- ) {
+ int l = length();
+ register QChar *p = d->unicode;
+ while ( l ) {
+ if ( *p != ::upper(*p) ) {
+ QString s( *this );
+ s.real_detach();
+ p = s.d->unicode + ( p - d->unicode );
+ while ( l ) {
*p = ::upper( *p );
+ l--;
p++;
}
+ return s;
}
+ l--;
+ p++;
}
- return s;
+ return *this;
}
@@ -15137,8 +15165,8 @@ QString &QString::insert( uint index, const QString &s )
/*!
\overload
- Inserts the character in \a s into the string at position \a index
- \a len number of times and returns a reference to the string.
+ Inserts the first \a len characters in \a s into the string at
+ position \a index and returns a reference to the string.
*/
QString &QString::insert( uint index, const QChar* s, uint len )
@@ -15251,6 +15279,16 @@ QString &QString::insert( uint index, QChar c ) // insert char
\sa insert()
*/
+/*! \fn QString& QString::prepend( const std::string &s )
+ \overload
+
+ Inserts \a s at the beginning of the string and returns a reference to the string.
+
+ Equivalent to insert(0, \a s).
+
+ \sa insert()
+ */
+
/*!
\overload
@@ -15848,9 +15886,9 @@ static bool ok_in_base( QChar c, int base )
long QString::toLong( bool *ok, int base ) const
{
const QChar *p = unicode();
- long val = 0;
+ ulong val = 0;
int l = length();
- const long max_mult = INT_MAX / base;
+ const ulong max_mult = LONG_MAX / base;
bool is_ok = FALSE;
int neg = 0;
if ( !p )
@@ -15883,21 +15921,19 @@ long QString::toLong( bool *ok, int base ) const
dv = *p - 'A' + 10;
}
if ( val > max_mult ||
- (val == max_mult && dv > (INT_MAX % base) + neg) )
+ (val == max_mult && dv > (LONG_MAX % base) + neg) )
goto bye;
val = base * val + dv;
p++;
}
- if ( neg )
- val = -val;
while ( l && p->isSpace() ) // skip trailing space
- l--,p++;
+ l--, p++;
if ( !l )
is_ok = TRUE;
bye:
if ( ok )
*ok = is_ok;
- return is_ok ? val : 0;
+ return is_ok ? ( neg ? -( (long) val ) : (long) val ) : 0L;
}
/*!
@@ -15915,7 +15951,7 @@ ulong QString::toULong( bool *ok, int base ) const
const QChar *p = unicode();
ulong val = 0;
int l = length();
- const ulong max_mult = UINT_MAX / base;
+ const ulong max_mult = ULONG_MAX / base;
bool is_ok = FALSE;
if ( !p )
goto bye;
@@ -15940,7 +15976,7 @@ ulong QString::toULong( bool *ok, int base ) const
else
dv = *p - 'A' + 10;
}
- if ( val > max_mult || (val == max_mult && dv > UINT_MAX % base) )
+ if ( val > max_mult || (val == max_mult && dv > ULONG_MAX % base) )
goto bye;
val = base * val + dv;
p++;
@@ -15967,7 +16003,7 @@ bye:
short QString::toShort( bool *ok, int base ) const
{
long v = toLong( ok, base );
- if ( ok && *ok && (v < -32768 || v > 32767) ) {
+ if ( ok && *ok && (v < SHRT_MIN || v > SHRT_MAX) ) {
*ok = FALSE;
v = 0;
}
@@ -15986,7 +16022,7 @@ short QString::toShort( bool *ok, int base ) const
ushort QString::toUShort( bool *ok, int base ) const
{
ulong v = toULong( ok, base );
- if ( ok && *ok && (v > 65535) ) {
+ if ( ok && *ok && (v > USHRT_MAX) ) {
*ok = FALSE;
v = 0;
}
@@ -16013,7 +16049,12 @@ ushort QString::toUShort( bool *ok, int base ) const
int QString::toInt( bool *ok, int base ) const
{
- return (int)toLong( ok, base );
+ long v = toLong( ok, base );
+ if ( ok && *ok && (v < INT_MIN || v > INT_MAX) ) {
+ *ok = FALSE;
+ v = 0;
+ }
+ return (int)v;
}
/*!
@@ -16028,7 +16069,12 @@ int QString::toInt( bool *ok, int base ) const
uint QString::toUInt( bool *ok, int base ) const
{
- return (uint)toULong( ok, base );
+ ulong v = toULong( ok, base );
+ if ( ok && *ok && (v > UINT_MAX) ) {
+ *ok = FALSE;
+ v = 0;
+ }
+ return (uint)v;
}
/*!
@@ -16052,7 +16098,7 @@ double QString::toDouble( bool *ok ) const
const char *a = latin1();
double val = strtod( a ? a : "", &end );
if ( ok )
- *ok = ( a && *a && (end == 0 || (end - a) == (int)length()) );
+ *ok = ( a && *a && (end == 0 || *end == '\0') );
return val;
}
@@ -16098,11 +16144,11 @@ QString &QString::setNum( long n, int base )
bool neg;
if ( n < 0 ) {
neg = TRUE;
- if ( n == INT_MIN ) {
+ if ( n == LONG_MIN ) {
// Cannot always negate this special case
QString s1, s2;
- s1.setNum(n/base);
- s2.setNum((-(n+base))%base);
+ s1.setNum(n/base, base );
+ s2.setNum((-(n+base))%base, base );
*this = s1 + s2;
return *this;
}
@@ -16461,6 +16507,15 @@ void QString::setExpand( uint index, QChar c )
Equivalent to operator+=().
*/
+/*! \fn QString& QString::append( const std::string &str )
+ \overload
+
+ Appends \a str to the string and returns a reference to the result.
+
+ Equivalent to operator+=().
+ */
+
+
/*! \fn QString& QString::append( const char *str )
\overload
@@ -16490,9 +16545,15 @@ QString& QString::operator+=( const QString &str )
Appends \a str to the string and returns a reference to the string.
*/
+#ifndef QT_NO_CAST_ASCII
QString& QString::operator+=( const char *str )
{
if ( str ) {
+#ifndef QT_NO_TEXTCODEC
+ if ( QTextCodec::codecForCStrings() )
+ return operator+=( fromAscii( str ) );
+#endif
+
uint len1 = length();
uint len2 = strlen( str );
if ( len2 ) {
@@ -16508,6 +16569,7 @@ QString& QString::operator+=( const char *str )
}
return *this;
}
+#endif
/*! \overload
@@ -16529,6 +16591,10 @@ QString &QString::operator+=( QChar c )
QString &QString::operator+=( char c )
{
+#ifndef QT_NO_TEXTCODEC
+ if ( QTextCodec::codecForCStrings() )
+ return operator+=( fromAscii( &c, 1 ) );
+#endif
setLength(length()+1);
d->unicode[length()-1] = c;
return *this;
@@ -16541,18 +16607,25 @@ QString &QString::operator+=( char c )
Appends \a str to the string and returns a reference to the string.
*/
+/*!
+ \fn QString &QString::operator+=( const std::string &str )
+ \overload
+
+ Appends \a str to the string and returns a reference to the string.
+*/
+
/*!
\fn char QChar::latin1() const
- Returns a latin-1 copy of this character, if this character is in
- the latin-1 character set. If not, this function returns 0.
+ Returns the Latin-1 value of this character, or 0 if it
+ cannot be represented in Latin-1.
*/
/*!
- Returns a Latin-1 representation of the string. Note that the
+ Returns a Latin-1 representation of the string. The
returned value is undefined if the string contains non-Latin-1
characters. If you want to convert strings into formats other than
Unicode, see the QTextCodec classes.
@@ -16563,31 +16636,49 @@ QString &QString::operator+=( char c )
The result remains valid so long as one unmodified copy of the
source string exists.
- \sa utf8(), local8Bit()
+ \sa fromLatin1(), ascii(), utf8(), local8Bit()
*/
const char* QString::latin1() const
{
- if ( !d->ascii ) {
- Q2HELPER(stat_get_ascii++)
- Q2HELPER(stat_get_ascii_size+=d->len)
- d->ascii = unicodeToAscii( d->unicode, d->len );
+ if ( !d->ascii || !d->islatin1 ) {
+ d->ascii = unicodeToLatin1( d->unicode, d->len );
+ d->islatin1 = TRUE;
}
return d->ascii;
}
/*!
- \fn const char* QString::ascii() const
- \obsolete
+ Returns an 8-bit ASCII representation of the string.
- This function simply calls latin1() and returns the result.
+ If a codec has been set using QTextCodec::codecForCStrings(),
+ it is used to convert Unicode to 8-bit char. Otherwise, this function
+ does the same as latin1().
+
+ \sa fromAscii(), latin1(), utf8(), local8Bit()
*/
+const char* QString::ascii() const
+{
+#ifndef QT_NO_TEXTCODEC
+ if ( QTextCodec::codecForCStrings() ) {
+ if ( !d->ascii || d->islatin1 ) {
+ QCString s = QTextCodec::codecForCStrings()->fromUnicode( *this );
+ s.detach();
+ d->ascii = s.data();
+ d->islatin1 = FALSE;
+ s.resetRawData( s.data(), s.size() ); // we have stolen the data
+ }
+ return d->ascii;
+ }
+#endif // QT_NO_TEXTCODEC
+ return latin1();
+}
/*!
- Returns the string encoded in UTF8 format.
+ Returns the string encoded in UTF-8 format.
See QTextCodec for more diverse coding/decoding of Unicode strings.
- \sa QString::fromUtf8(), local8Bit(), latin1()
+ \sa fromUtf8(), ascii(), latin1(), local8Bit()
*/
QCString QString::utf8() const
{
@@ -16633,7 +16724,8 @@ QString QString::fromUtf8( const char* utf8, int len )
if ( !utf8 )
return QString::null;
- if ( len < 0 ) len = qstrlen( utf8 );
+ if ( len < 0 )
+ len = strlen( utf8 );
QString result;
result.setLength( len ); // worst case
QChar *qch = (QChar *)result.unicode();
@@ -16674,20 +16766,50 @@ QString QString::fromUtf8( const char* utf8, int len )
/*!
Returns the Unicode string decoded from the first \a len
- characters of \a chars, ignoring the rest of \a chars. If \a len
- is -1 then the length of \a chars is used. If \a len is bigger
- than the length of \a chars then it will use the length of \a
- chars.
+ characters of \a ascii, ignoring the rest of \a ascii. If \a len
+ is -1 then the length of \a ascii is used. If \a len is bigger
+ than the length of \a ascii then it will use the length of \a
+ ascii.
+
+ If a codec has been set using QTextCodec::codecForCStrings(),
+ it is used to convert Unicode to 8-bit char. Otherwise, this function
+ does the same as fromLatin1().
This is the same as the QString(const char*) constructor, but you
can make that constructor invisible if you compile with the define
\c QT_NO_CAST_ASCII, in which case you can explicitly create a
- QString from Latin-1 text using this function.
+ QString from 8-bit ASCII text using this function.
\code
- QString str = QString::fromLatin1( "123456789", 5 );
+ QString str = QString::fromAscii( "123456789", 5 );
// str == "12345"
\endcode
+ */
+QString QString::fromAscii( const char* ascii, int len )
+{
+#ifndef QT_NO_TEXTCODEC
+ if ( QTextCodec::codecForCStrings() ) {
+ if ( !ascii )
+ return QString::null;
+ if ( len < 0 )
+ len = strlen( ascii );
+ if ( len == 0 || *ascii == '\0' )
+ return QString::fromLatin1( "" );
+ return QTextCodec::codecForCStrings()->toUnicode( ascii, len );
+ }
+#endif
+ return fromLatin1( ascii, len );
+}
+
+
+/*!
+ Returns the Unicode string decoded from the first \a len
+ characters of \a chars, ignoring the rest of \a chars. If \a len
+ is -1 then the length of \a chars is used. If \a len is bigger
+ than the length of \a chars then it will use the length of \a
+ chars.
+
+ \sa fromAscii()
*/
QString QString::fromLatin1( const char* chars, int len )
{
@@ -16695,7 +16817,7 @@ QString QString::fromLatin1( const char* chars, int len )
QChar *uc;
if ( len < 0 )
len = -1;
- uc = internalAsciiToUnicode( chars, &l, len );
+ uc = internalLatin1ToUnicode( chars, &l, len );
return QString( new QStringData(uc, l, l), TRUE );
}
@@ -16709,16 +16831,15 @@ QString QString::fromLatin1( const char* chars, int len )
/*!
Returns the string encoded in a locale-specific format. On X11,
this is the QTextCodec::codecForLocale(). On Windows, it is a
- system-defined encoding. On Mac OS X, this always uses utf8 as the
- encoding.
+ system-defined encoding. On Mac OS X, this always uses UTF-8 as
+ the encoding.
See QTextCodec for more diverse coding/decoding of Unicode
strings.
- \sa QString::fromLocal8Bit(), latin1(), utf8()
+ \sa fromLocal8Bit(), ascii(), latin1(), utf8()
*/
-
QCString QString::local8Bit() const
{
#ifdef QT_NO_TEXTCODEC
@@ -16740,7 +16861,7 @@ QCString QString::local8Bit() const
return qt_winQString2MB( *this );
#endif
#ifdef Q_WS_QWS
- return utf8(); // ##### if there is ANY 8 bit format supported?
+ return utf8(); // ### if there is any 8 bit format supported?
#endif
#endif
}
@@ -16771,7 +16892,8 @@ QString QString::fromLocal8Bit( const char* local8Bit, int len )
return QString::null;
#ifdef Q_WS_X11
QTextCodec* codec = QTextCodec::codecForLocale();
- if ( len < 0 ) len = qstrlen(local8Bit);
+ if ( len < 0 )
+ len = strlen( local8Bit );
return codec
? codec->toUnicode( local8Bit, len )
: fromLatin1( local8Bit, len );
@@ -16804,6 +16926,12 @@ QString QString::fromLocal8Bit( const char* local8Bit, int len )
that you catch the programming error described in operator!().
*/
+/*!
+ \fn QString::operator std::string() const
+
+ Returns ascii().
+*/
+
/*!
Returns the QString as a zero terminated array of unsigned shorts
@@ -16819,8 +16947,6 @@ const unsigned short *QString::ucs2() const
unsigned int len = d->len;
if ( d->maxl < len + 1 ) {
// detach, grow or shrink
- Q2HELPER(stat_copy_on_write++)
- Q2HELPER(stat_copy_on_write_size += len)
uint newMax = computeNewMax( len + 1 );
QChar* nd = QT_ALLOC_QCHAR_VEC( newMax );
if ( nd ) {
@@ -16983,8 +17109,6 @@ QString& QString::setUnicode( const QChar *unicode, uint len )
} else if ( d->count != 1 || len > d->maxl ||
( len * 4 < d->maxl && d->maxl > 4 ) ) {
// detach, grown or shrink
- Q2HELPER(stat_copy_on_write++)
- Q2HELPER(stat_copy_on_write_size+=d->len)
uint newMax = computeNewMax( len );
QChar* nd = QT_ALLOC_QCHAR_VEC( newMax );
if ( unicode )
@@ -17018,6 +17142,28 @@ QString& QString::setUnicodeCodes( const ushort* unicode_as_ushorts, uint len )
/*!
+ Sets this string to \a str, interpreted as a classic 8-bit ASCII C
+ string. If \a len is -1 (the default), then it is set to
+ strlen(str).
+
+ If \a str is 0 a null string is created. If \a str is "", an empty
+ string is created.
+
+ \sa isNull(), isEmpty()
+*/
+
+QString &QString::setAscii( const char *str, int len )
+{
+#ifndef QT_NO_TEXTCODEC
+ if ( QTextCodec::codecForCStrings() ) {
+ *this = QString::fromAscii( str, len );
+ return *this;
+ }
+#endif // QT_NO_TEXTCODEC
+ return setLatin1( str, len );
+}
+
+/*!
Sets this string to \a str, interpreted as a classic Latin1 C
string. If \a len is -1 (the default), then it is set to
strlen(str).
@@ -17033,7 +17179,7 @@ QString &QString::setLatin1( const char *str, int len )
if ( str == 0 )
return setUnicode(0,0);
if ( len < 0 )
- len = qstrlen(str);
+ len = strlen( str );
if ( len == 0 ) { // won't make a null string
*this = QString::fromLatin1( "" );
} else {
@@ -17051,16 +17197,16 @@ void QString::checkSimpleText() const
{
QChar *p = d->unicode;
QChar *end = p + d->len;
- d->simpletext = 1;
while( p < end ) {
ushort uc = p->unicode();
// sort out regions of complex text formatting
if ( uc > 0x058f && ( uc < 0x1100 || uc > 0xfb0f ) ) {
- d->simpletext = 0;
+ d->issimpletext = FALSE;
return;
}
p++;
}
+ d->issimpletext = TRUE;
}
/*! \fn bool QString::simpleText() const
--
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