summaryrefslogtreecommitdiff
path: root/library/backend/stringutil.cpp
Unidiff
Diffstat (limited to 'library/backend/stringutil.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--library/backend/stringutil.cpp415
1 files changed, 415 insertions, 0 deletions
diff --git a/library/backend/stringutil.cpp b/library/backend/stringutil.cpp
new file mode 100644
index 0000000..df58f54
--- a/dev/null
+++ b/library/backend/stringutil.cpp
@@ -0,0 +1,415 @@
1/**********************************************************************
2** Copyright (C) 2000 Trolltech AS. All rights reserved.
3**
4** This file is part of Qtopia Environment.
5**
6** This file may be distributed and/or modified under the terms of the
7** GNU General Public License version 2 as published by the Free
8** Software Foundation and appearing in the file LICENSE.GPL included
9** in the packaging of this file.
10**
11** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING
12** THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A
13** PARTICULAR PURPOSE.
14**
15** See http://www.trolltech.com/gpl/ for GPL licensing information.
16**
17** Contact info@trolltech.com if any conditions of this licensing are
18** not clear to you.
19**
20**********************************************************************/
21
22#include "stringutil.h"
23#include <qregexp.h>
24#include <qstringlist.h>
25
26namespace Qtopia
27{
28
29
30
31/*
32 Very, very simple Latin-1 only collation guaranteed to displease anyone
33 who actually uses the non-ASCII characters.
34 */
35
36static const char collationHack[] = {
370x00, //C-@
380x01, //C-A
390x02, //C-B
400x03, //C-C
410x04, //C-D
420x05, //C-E
430x06, //C-F
440x07, //C-G
450x08, //C-H
460x09, //C-I
470x0a, //C-J
480x0b, //C-K
490x0c, //C-L
500x0d, //C-M
510x0e, //C-N
520x0f, //C-O
530x10, //C-P
540x11, //C-Q
550x12, //C-R
560x13, //C-S
570x14, //C-T
580x15, //C-U
590x16, //C-V
600x17, //C-W
610x18, //C-X
620x19, //C-Y
630x1a, //C-Z
640x1b, //C-[
650x1c, //C-\
660x1d, //C-]
670x1e, //C-^
680x1f, //C-_
69' ', //
70'!', //!
71'"', //"
72'#', //#
73'$', //$
74'%', //%
75'&', //&
76'\'', //'
77'(', //(
78')', //)
79'*', //*
80'+', //+
81',', //,
82'-', //-
83'.', //.
84'/', ///
850x80, //0
860x81, //1
870x82, //2
880x83, //3
890x84, //4
900x85, //5
910x86, //6
920x87, //7
930x88, //8
940x89, //9
95':', //:
96';', //;
97'<', //<
98'=', //=
99'>', //>
100'?', //?
101'@', //@
102'A', //A
103'B', //B
104'C', //C
105'D', //D
106'E', //E
107'F', //F
108'G', //G
109'H', //H
110'I', //I
111'J', //J
112'K', //K
113'L', //L
114'M', //M
115'N', //N
116'O', //O
117'P', //P
118'Q', //Q
119'R', //R
120'S', //S
121'T', //T
122'U', //U
123'V', //V
124'W', //W
125'X', //X
126'Y', //Y
127'Z', //Z
128'[', //[
129'\\', //\
130']', //]
131'^', //^
132'_', //_
133'`', //`
134'A', //a
135'B', //b
136'C', //c
137'D', //d
138'E', //e
139'F', //f
140'G', //g
141'H', //h
142'I', //i
143'J', //j
144'K', //k
145'L', //l
146'M', //m
147'N', //n
148'O', //o
149'P', //p
150'Q', //q
151'R', //r
152'S', //s
153'T', //t
154'U', //u
155'V', //v
156'W', //w
157'X', //x
158'Y', //y
159'Z', //z
160'{', //{
161'|', //|
162'}', //}
163'~', //~
164'', //
1650x80, //C-M-@
1660x81, //C-M-A
1670x82, //C-M-B
1680x83, //C-M-C
1690x84, //C-M-D
1700x85, //C-M-E
1710x86, //C-M-F
1720x87, //C-M-G
1730x88, //C-M-H
1740x89, //C-M-I
1750x8a, //C-M-J
1760x8b, //C-M-K
1770x8c, //C-M-L
1780x8d, //C-M-M
1790x8e, //C-M-N
1800x8f, //C-M-O
1810x90, //C-M-P
1820x91, //C-M-Q
1830x92, //C-M-R
1840x93, //C-M-S
1850x94, //C-M-T
1860x95, //C-M-U
1870x96, //C-M-V
1880x97, //C-M-W
1890x98, //C-M-X
1900x99, //C-M-Y
1910x9a, //C-M-Z
1920x9b, //C-M-[
1930x9c, //C-M-\
1940x9d, //C-M-]
1950x9e, //C-M-^
1960x9f, //C-M-_
197'�', //�
198'�', //�
199'�', //�
200'�', //�
201'�', //�
202'�', //�
203'�', //�
204'�', //�
205'�', //�
206'�', //�
207'A', //�
208'�', //�
209'�', //�
210'�', //�
211'�', //�
212'�', //�
213'O', //�
214'�', //�
215'�', //�
216'�', //�
217'�', //�
218'�', //�
219'P', //�
220'�', //�
221'�', //�
222'�', //�
223'O', //�
224'�', //�
225'�', //�
226'�', //�
227'�', //�
228'�', //�
229'A', //�
230'A', //�
231'A', //�
232'A', //�
233'A', //�
234'A', //�
235'A', //�
236'C', //�
237'E', //�
238'E', //�
239'E', //�
240'E', //�
241'I', //�
242'I', //�
243'I', //�
244'I', //�
245'D', //�
246'N', //�
247'O', //�
248'O', //�
249'O', //�
250'O', //�
251'O', //�
252'�', //�
253'O', //�
254'U', //�
255'U', //�
256'U', //�
257'U', //�
258'Y', //�
259'T', //�
260'S', //�
261'A', //�
262'A', //�
263'A', //�
264'A', //�
265'A', //�
266'A', //�
267'A', //�
268'C', //�
269'E', //�
270'E', //�
271'E', //�
272'E', //�
273'I', //�
274'I', //�
275'I', //�
276'I', //�
277'D', //�
278'N', //�
279'O', //�
280'O', //�
281'O', //�
282'O', //�
283'O', //�
284'�', //�
285'O', //�
286'U', //�
287'U', //�
288'U', //�
289'U', //�
290'Y', //�
291'T', //�
292'Y', //�
293};
294
295
296
297
298
299static void hackString ( QString &s )
300{
301 int len = s.length();
302 const QChar* uc = s.unicode();
303 for ( int i = 0; i < len; i++ ) {
304 if ( !uc++->row() )
305 s[i] = collationHack[s[i].cell()];
306 }
307}
308
309QString buildSortKey( const QString & s )
310{
311 QString res = s;
312 hackString( res );
313 return res;
314}
315
316QString buildSortKey( const QString & s1, const QString & s2 )
317{
318 QString res = s1 + QChar( '\0' ) + s2;
319 hackString( res );
320 return res;
321}
322
323QString buildSortKey( const QString & s1, const QString & s2,
324 const QString & s3 )
325{
326 QString res = s1 + QChar( '\0' ) + s2 + QChar( '\0' ) + s3;
327 hackString( res );
328 return res;
329}
330
331static inline QChar coll( QChar u )
332{
333 return u.row() ? u : QChar(collationHack[ u.cell() ]);
334}
335
336
337int compare( const QString & s1, const QString & s2 )
338{
339 const QChar* u1 = s1.unicode();
340 const QChar* u2 = s2.unicode();
341
342 if ( u1 == u2 )
343 return 0;
344 if ( u1 == 0 )
345 return 1;
346 if ( u2 == 0 )
347 return -1;
348 int l=QMIN(s1.length(),s2.length());
349 while ( l-- && coll(*u1) == coll(*u2) )
350 u1++,u2++;
351 if ( l==-1 )
352 return ( s1.length()-s2.length() );
353 return u1->unicode() - u2->unicode();
354}
355
356QString simplifyMultiLineSpace( const QString &multiLine )
357{
358 QString result;
359 QStringList lines = QStringList::split("\n", multiLine);
360 for ( QStringList::Iterator it = lines.begin(); it != lines.end(); ++it ) {
361 if ( it != lines.begin() )
362 result += "\n";
363 result += (*it).simplifyWhiteSpace();
364 }
365 return result;
366}
367
368QString escapeString( const QString& plain )
369{
370 QString tmp(plain);
371 int pos = tmp.length();
372 const QChar *uc = plain.unicode();
373 while ( pos-- ) {
374 unsigned char ch = uc[pos].latin1();
375 if ( ch == '&' )
376 tmp.replace( pos, 1, "&amp;" );
377 else if ( ch == '<' )
378 tmp.replace( pos, 1, "&lt;" );
379 else if ( ch == '>' )
380 tmp.replace( pos, 1, "&gt;" );
381 else if ( ch == '\"' )
382 tmp.replace( pos, 1, "&quot;" );
383 }
384 return tmp;
385}
386
387QString plainString( const char* escaped, unsigned int length )
388{
389 return plainString( QString::fromUtf8( escaped, length ) );
390}
391
392QString plainString( const QCString& string )
393{
394 // We first have to pass it through a ::fromUtf8()
395 return plainString( string.data(), string.length() );
396}
397
398QString plainString( const QString& string )
399{
400 QString tmp( string );
401 int pos = -1;
402 while ( (pos = tmp.find( "&", pos +1 ) ) != -1 ) {
403 if ( tmp.find( "&amp;", pos ) == pos )
404 tmp.replace( pos, 5, "&" );
405 else if ( tmp.find( "&lt;", pos ) == pos )
406 tmp.replace( pos, 4, "<" );
407 else if( tmp.find( "&gt;", pos ) == pos )
408 tmp.replace( pos, 4, ">" );
409 else if ( tmp.find( "&quot;", pos ) == pos )
410 tmp.replace( pos, 6, "\"" );
411 }
412 return tmp;
413}
414
415} // namespace QPC