source: trunk/src/corelib/tools/qstring.h@ 265

Last change on this file since 265 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 57.3 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtCore module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
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36** If you are unsure which license is appropriate for your use, please
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38** $QT_END_LICENSE$
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40****************************************************************************/
41
42#ifndef QSTRING_H
43#define QSTRING_H
44
45#include <QtCore/qchar.h>
46#include <QtCore/qbytearray.h>
47#include <QtCore/qatomic.h>
48#include <QtCore/qnamespace.h>
49#ifdef QT_INCLUDE_COMPAT
50#include <Qt3Support/q3cstring.h>
51#endif
52
53#ifndef QT_NO_STL
54# if defined (Q_CC_MSVC_NET) && _MSC_VER < 1310 // Avoids nasty warning for xlocale, line 450
55# pragma warning (push)
56# pragma warning (disable : 4189)
57# include <string>
58# pragma warning (pop)
59# else
60# include <string>
61# endif
62
63# ifndef QT_NO_STL_WCHAR
64// workaround for some headers not typedef'ing std::wstring
65typedef std::basic_string<wchar_t> QStdWString;
66# endif // QT_NO_STL_WCHAR
67
68#endif // QT_NO_STL
69
70#include <stdarg.h>
71
72#ifdef truncate
73#error qstring.h must be included before any header file that defines truncate
74#endif
75
76QT_BEGIN_HEADER
77
78QT_BEGIN_NAMESPACE
79
80QT_MODULE(Core)
81
82class QCharRef;
83class QRegExp;
84class QStringList;
85class QTextCodec;
86class QLatin1String;
87class QStringRef;
88template <typename T> class QVector;
89
90class Q_CORE_EXPORT QString
91{
92public:
93 inline QString();
94 QString(const QChar *unicode, int size);
95 QString(QChar c);
96 QString(int size, QChar c);
97 inline QString(const QLatin1String &latin1);
98 inline QString(const QString &);
99 inline ~QString();
100 QString &operator=(QChar c);
101 QString &operator=(const QString &);
102 inline QString &operator=(const QLatin1String &);
103
104 inline int size() const { return d->size; }
105 inline int count() const { return d->size; }
106 inline int length() const;
107 inline bool isEmpty() const;
108 void resize(int size);
109
110 QString &fill(QChar c, int size = -1);
111 void truncate(int pos);
112 void chop(int n);
113
114 int capacity() const;
115 inline void reserve(int size);
116 inline void squeeze() { if (d->size < d->alloc) realloc(); d->capacity = 0;}
117
118 inline const QChar *unicode() const;
119 inline QChar *data();
120 inline const QChar *data() const;
121 inline const QChar *constData() const;
122
123 inline void detach();
124 inline bool isDetached() const;
125 void clear();
126
127 inline const QChar at(int i) const;
128 const QChar operator[](int i) const;
129 QCharRef operator[](int i);
130 const QChar operator[](uint i) const;
131 QCharRef operator[](uint i);
132
133 QString arg(qlonglong a, int fieldwidth=0, int base=10,
134 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
135 QString arg(qulonglong a, int fieldwidth=0, int base=10,
136 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
137 QString arg(long a, int fieldwidth=0, int base=10,
138 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
139 QString arg(ulong a, int fieldwidth=0, int base=10,
140 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
141 QString arg(int a, int fieldWidth = 0, int base = 10,
142 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
143 QString arg(uint a, int fieldWidth = 0, int base = 10,
144 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
145 QString arg(short a, int fieldWidth = 0, int base = 10,
146 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
147 QString arg(ushort a, int fieldWidth = 0, int base = 10,
148 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
149 QString arg(double a, int fieldWidth = 0, char fmt = 'g', int prec = -1,
150 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
151 QString arg(char a, int fieldWidth = 0,
152 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
153 QString arg(QChar a, int fieldWidth = 0,
154 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
155 QString arg(const QString &a, int fieldWidth = 0,
156 const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
157 QString arg(const QString &a1, const QString &a2) const Q_REQUIRED_RESULT;
158 QString arg(const QString &a1, const QString &a2, const QString &a3) const Q_REQUIRED_RESULT;
159 QString arg(const QString &a1, const QString &a2, const QString &a3,
160 const QString &a4) const Q_REQUIRED_RESULT;
161 QString arg(const QString &a1, const QString &a2, const QString &a3,
162 const QString &a4, const QString &a5) const Q_REQUIRED_RESULT;
163 QString arg(const QString &a1, const QString &a2, const QString &a3,
164 const QString &a4, const QString &a5, const QString &a6) const Q_REQUIRED_RESULT;
165 QString arg(const QString &a1, const QString &a2, const QString &a3,
166 const QString &a4, const QString &a5, const QString &a6,
167 const QString &a7) const Q_REQUIRED_RESULT;
168 QString arg(const QString &a1, const QString &a2, const QString &a3,
169 const QString &a4, const QString &a5, const QString &a6,
170 const QString &a7, const QString &a8) const Q_REQUIRED_RESULT;
171 QString arg(const QString &a1, const QString &a2, const QString &a3,
172 const QString &a4, const QString &a5, const QString &a6,
173 const QString &a7, const QString &a8, const QString &a9) const Q_REQUIRED_RESULT;
174
175 QString &vsprintf(const char *format, va_list ap)
176#if defined(Q_CC_GNU) && !defined(__INSURE__)
177 __attribute__ ((format (printf, 2, 0)))
178#endif
179 ;
180 QString &sprintf(const char *format, ...)
181#if defined(Q_CC_GNU) && !defined(__INSURE__)
182 __attribute__ ((format (printf, 2, 3)))
183#endif
184 ;
185
186 int indexOf(QChar c, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
187 int indexOf(const QString &s, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
188 int indexOf(const QLatin1String &s, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
189 int lastIndexOf(QChar c, int from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
190 int lastIndexOf(const QString &s, int from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
191 int lastIndexOf(const QLatin1String &s, int from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
192
193 inline QBool contains(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
194 inline QBool contains(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
195 int count(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
196 int count(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
197
198#ifndef QT_NO_REGEXP
199 int indexOf(const QRegExp &, int from = 0) const;
200 int lastIndexOf(const QRegExp &, int from = -1) const;
201 inline QBool contains(const QRegExp &rx) const { return QBool(indexOf(rx) != -1); }
202 int count(const QRegExp &) const;
203
204 int indexOf(QRegExp &, int from = 0) const;
205 int lastIndexOf(QRegExp &, int from = -1) const;
206 inline QBool contains(QRegExp &rx) const { return QBool(indexOf(rx) != -1); }
207#endif
208
209 enum SectionFlag {
210 SectionDefault = 0x00,
211 SectionSkipEmpty = 0x01,
212 SectionIncludeLeadingSep = 0x02,
213 SectionIncludeTrailingSep = 0x04,
214 SectionCaseInsensitiveSeps = 0x08
215 };
216 Q_DECLARE_FLAGS(SectionFlags, SectionFlag)
217
218 QString section(QChar sep, int start, int end = -1, SectionFlags flags = SectionDefault) const;
219 QString section(const QString &in_sep, int start, int end = -1, SectionFlags flags = SectionDefault) const;
220#ifndef QT_NO_REGEXP
221 QString section(const QRegExp &reg, int start, int end = -1, SectionFlags flags = SectionDefault) const;
222#endif
223
224 QString left(int n) const Q_REQUIRED_RESULT;
225 QString right(int n) const Q_REQUIRED_RESULT;
226 QString mid(int position, int n = -1) const Q_REQUIRED_RESULT;
227 QStringRef leftRef(int n) const Q_REQUIRED_RESULT;
228 QStringRef rightRef(int n) const Q_REQUIRED_RESULT;
229 QStringRef midRef(int position, int n = -1) const Q_REQUIRED_RESULT;
230
231 bool startsWith(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
232 bool startsWith(const QLatin1String &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
233 bool startsWith(const QChar &c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
234 bool endsWith(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
235 bool endsWith(const QLatin1String &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
236 bool endsWith(const QChar &c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
237
238 QString leftJustified(int width, QChar fill = QLatin1Char(' '), bool trunc = false) const Q_REQUIRED_RESULT;
239 QString rightJustified(int width, QChar fill = QLatin1Char(' '), bool trunc = false) const Q_REQUIRED_RESULT;
240
241 QString toLower() const Q_REQUIRED_RESULT;
242 QString toUpper() const Q_REQUIRED_RESULT;
243 QString toCaseFolded() const Q_REQUIRED_RESULT;
244
245 QString trimmed() const Q_REQUIRED_RESULT;
246 QString simplified() const Q_REQUIRED_RESULT;
247
248 QString &insert(int i, QChar c);
249 QString &insert(int i, const QChar *uc, int len);
250 inline QString &insert(int i, const QString &s) { return insert(i, s.constData(), s.length()); }
251 QString &insert(int i, const QLatin1String &s);
252 QString &append(QChar c);
253 QString &append(const QString &s);
254 QString &append(const QStringRef &s);
255 QString &append(const QLatin1String &s);
256 inline QString &prepend(QChar c) { return insert(0, c); }
257 inline QString &prepend(const QString &s) { return insert(0, s); }
258 inline QString &prepend(const QLatin1String &s) { return insert(0, s); }
259
260 inline QString &operator+=(QChar c) {
261 if (d->ref != 1 || d->size + 1 > d->alloc)
262 realloc(grow(d->size + 1));
263 d->data[d->size++] = c.unicode();
264 d->data[d->size] = '\0';
265 return *this;
266 }
267
268 inline QString &operator+=(QChar::SpecialCharacter c) { return append(QChar(c)); }
269 inline QString &operator+=(const QString &s) { return append(s); }
270 inline QString &operator+=(const QStringRef &s) { return append(s); }
271 inline QString &operator+=(const QLatin1String &s) { return append(s); }
272
273 QString &remove(int i, int len);
274 QString &remove(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive);
275 QString &remove(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive);
276 QString &replace(int i, int len, QChar after);
277 QString &replace(int i, int len, const QChar *s, int slen);
278 QString &replace(int i, int len, const QString &after);
279 QString &replace(QChar before, QChar after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
280 QString &replace(const QChar *before, int blen, const QChar *after, int alen, Qt::CaseSensitivity cs = Qt::CaseSensitive);
281 QString &replace(const QLatin1String &before, const QLatin1String &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
282 QString &replace(const QLatin1String &before, const QString &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
283 QString &replace(const QString &before, const QLatin1String &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
284 QString &replace(const QString &before, const QString &after,
285 Qt::CaseSensitivity cs = Qt::CaseSensitive);
286 QString &replace(QChar c, const QString &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
287 QString &replace(QChar c, const QLatin1String &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
288#ifndef QT_NO_REGEXP
289 QString &replace(const QRegExp &rx, const QString &after);
290 inline QString &remove(const QRegExp &rx)
291 { return replace(rx, QString()); }
292#endif
293
294 enum SplitBehavior { KeepEmptyParts, SkipEmptyParts };
295
296 QStringList split(const QString &sep, SplitBehavior behavior = KeepEmptyParts,
297 Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_REQUIRED_RESULT;
298 QStringList split(const QChar &sep, SplitBehavior behavior = KeepEmptyParts,
299 Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_REQUIRED_RESULT;
300#ifndef QT_NO_REGEXP
301 QStringList split(const QRegExp &sep, SplitBehavior behavior = KeepEmptyParts) const Q_REQUIRED_RESULT;
302#endif
303
304 enum NormalizationForm {
305 NormalizationForm_D,
306 NormalizationForm_C,
307 NormalizationForm_KD,
308 NormalizationForm_KC
309 };
310 QString normalized(NormalizationForm mode) const Q_REQUIRED_RESULT;
311 QString normalized(NormalizationForm mode, QChar::UnicodeVersion version) const Q_REQUIRED_RESULT;
312
313 QString repeated(int times) const;
314
315 const ushort *utf16() const;
316
317 QByteArray toAscii() const Q_REQUIRED_RESULT;
318 QByteArray toLatin1() const Q_REQUIRED_RESULT;
319 QByteArray toUtf8() const Q_REQUIRED_RESULT;
320 QByteArray toLocal8Bit() const Q_REQUIRED_RESULT;
321 QVector<uint> toUcs4() const Q_REQUIRED_RESULT;
322
323 static QString fromAscii(const char *, int size = -1);
324 static QString fromLatin1(const char *, int size = -1);
325 static QString fromUtf8(const char *, int size = -1);
326 static QString fromLocal8Bit(const char *, int size = -1);
327 static QString fromUtf16(const ushort *, int size = -1);
328 static QString fromUcs4(const uint *, int size = -1);
329 static QString fromRawData(const QChar *, int size);
330
331 int toWCharArray(wchar_t *array) const;
332 static QString fromWCharArray(const wchar_t *, int size = -1);
333
334 QString &setUnicode(const QChar *unicode, int size);
335 inline QString &setUtf16(const ushort *utf16, int size);
336
337 // ### Qt 5: merge these two functions
338 int compare(const QString &s) const;
339 int compare(const QString &s, Qt::CaseSensitivity cs) const;
340
341 int compare(const QLatin1String &other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
342
343 // ### Qt 5: merge these two functions
344 static inline int compare(const QString &s1, const QString &s2)
345 { return s1.compare(s2); }
346 static inline int compare(const QString &s1, const QString &s2, Qt::CaseSensitivity cs)
347 { return s1.compare(s2, cs); }
348
349 static inline int compare(const QString& s1, const QLatin1String &s2,
350 Qt::CaseSensitivity cs = Qt::CaseSensitive)
351 { return s1.compare(s2, cs); }
352 static inline int compare(const QLatin1String& s1, const QString &s2,
353 Qt::CaseSensitivity cs = Qt::CaseSensitive)
354 { return -s2.compare(s1, cs); }
355
356 int compare(const QStringRef &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
357 static int compare(const QString &s1, const QStringRef &s2,
358 Qt::CaseSensitivity = Qt::CaseSensitive);
359
360 int localeAwareCompare(const QString& s) const;
361 static int localeAwareCompare(const QString& s1, const QString& s2)
362 { return s1.localeAwareCompare(s2); }
363
364 int localeAwareCompare(const QStringRef &s) const;
365 static int localeAwareCompare(const QString& s1, const QStringRef& s2);
366
367 short toShort(bool *ok=0, int base=10) const;
368 ushort toUShort(bool *ok=0, int base=10) const;
369 int toInt(bool *ok=0, int base=10) const;
370 uint toUInt(bool *ok=0, int base=10) const;
371 long toLong(bool *ok=0, int base=10) const;
372 ulong toULong(bool *ok=0, int base=10) const;
373 qlonglong toLongLong(bool *ok=0, int base=10) const;
374 qulonglong toULongLong(bool *ok=0, int base=10) const;
375 float toFloat(bool *ok=0) const;
376 double toDouble(bool *ok=0) const;
377
378 QString &setNum(short, int base=10);
379 QString &setNum(ushort, int base=10);
380 QString &setNum(int, int base=10);
381 QString &setNum(uint, int base=10);
382 QString &setNum(long, int base=10);
383 QString &setNum(ulong, int base=10);
384 QString &setNum(qlonglong, int base=10);
385 QString &setNum(qulonglong, int base=10);
386 QString &setNum(float, char f='g', int prec=6);
387 QString &setNum(double, char f='g', int prec=6);
388
389 static QString number(int, int base=10);
390 static QString number(uint, int base=10);
391 static QString number(long, int base=10);
392 static QString number(ulong, int base=10);
393 static QString number(qlonglong, int base=10);
394 static QString number(qulonglong, int base=10);
395 static QString number(double, char f='g', int prec=6);
396
397 bool operator==(const QString &s) const;
398 bool operator<(const QString &s) const;
399 inline bool operator>(const QString &s) const { return s < *this; }
400 inline bool operator!=(const QString &s) const { return !operator==(s); }
401 inline bool operator<=(const QString &s) const { return !operator>(s); }
402 inline bool operator>=(const QString &s) const { return !operator<(s); }
403
404 bool operator==(const QLatin1String &s) const;
405 bool operator<(const QLatin1String &s) const;
406 bool operator>(const QLatin1String &s) const;
407 inline bool operator!=(const QLatin1String &s) const { return !operator==(s); }
408 inline bool operator<=(const QLatin1String &s) const { return !operator>(s); }
409 inline bool operator>=(const QLatin1String &s) const { return !operator<(s); }
410
411 // ASCII compatibility
412#ifndef QT_NO_CAST_FROM_ASCII
413 inline QT_ASCII_CAST_WARN_CONSTRUCTOR QString(const char *ch) : d(fromAscii_helper(ch))
414 {}
415 inline QT_ASCII_CAST_WARN_CONSTRUCTOR QString(const QByteArray &a)
416 : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
417 {}
418 inline QT_ASCII_CAST_WARN QString &operator=(const char *ch)
419 { return (*this = fromAscii(ch)); }
420 inline QT_ASCII_CAST_WARN QString &operator=(const QByteArray &a)
421 { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
422 inline QT_ASCII_CAST_WARN QString &operator=(char c)
423 { return (*this = QChar::fromAscii(c)); }
424
425 // these are needed, so it compiles with STL support enabled
426 inline QT_ASCII_CAST_WARN QString &prepend(const char *s)
427 { return prepend(QString::fromAscii(s)); }
428 inline QT_ASCII_CAST_WARN QString &prepend(const QByteArray &s)
429 { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
430 inline QT_ASCII_CAST_WARN QString &append(const char *s)
431 { return append(QString::fromAscii(s)); }
432 inline QT_ASCII_CAST_WARN QString &append(const QByteArray &s)
433 { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
434 inline QT_ASCII_CAST_WARN QString &operator+=(const char *s)
435 { return append(QString::fromAscii(s)); }
436 inline QT_ASCII_CAST_WARN QString &operator+=(const QByteArray &s)
437 { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
438 inline QT_ASCII_CAST_WARN QString &operator+=(char c)
439 { return append(QChar::fromAscii(c)); }
440
441 inline QT_ASCII_CAST_WARN bool operator==(const char *s) const;
442 inline QT_ASCII_CAST_WARN bool operator!=(const char *s) const;
443 inline QT_ASCII_CAST_WARN bool operator<(const char *s) const;
444 inline QT_ASCII_CAST_WARN bool operator<=(const char *s2) const;
445 inline QT_ASCII_CAST_WARN bool operator>(const char *s2) const;
446 inline QT_ASCII_CAST_WARN bool operator>=(const char *s2) const;
447
448 inline QT_ASCII_CAST_WARN bool operator==(const QByteArray &s) const;
449 inline QT_ASCII_CAST_WARN bool operator!=(const QByteArray &s) const;
450 inline QT_ASCII_CAST_WARN bool operator<(const QByteArray &s) const
451 { return *this < QString::fromAscii(s.constData(), s.size()); }
452 inline QT_ASCII_CAST_WARN bool operator>(const QByteArray &s) const
453 { return *this > QString::fromAscii(s.constData(), s.size()); }
454 inline QT_ASCII_CAST_WARN bool operator<=(const QByteArray &s) const
455 { return *this <= QString::fromAscii(s.constData(), s.size()); }
456 inline QT_ASCII_CAST_WARN bool operator>=(const QByteArray &s) const
457 { return *this >= QString::fromAscii(s.constData(), s.size()); }
458#endif
459
460 typedef QChar *iterator;
461 typedef const QChar *const_iterator;
462 typedef iterator Iterator;
463 typedef const_iterator ConstIterator;
464 iterator begin();
465 const_iterator begin() const;
466 const_iterator constBegin() const;
467 iterator end();
468 const_iterator end() const;
469 const_iterator constEnd() const;
470
471 // STL compatibility
472 inline void push_back(QChar c) { append(c); }
473 inline void push_back(const QString &s) { append(s); }
474 inline void push_front(QChar c) { prepend(c); }
475 inline void push_front(const QString &s) { prepend(s); }
476
477#ifndef QT_NO_STL
478 static inline QString fromStdString(const std::string &s);
479 inline std::string toStdString() const;
480# ifdef qdoc
481 static inline QString fromStdWString(const std::wstring &s);
482 inline std::wstring toStdWString() const;
483# else
484# ifndef QT_NO_STL_WCHAR
485 static inline QString fromStdWString(const QStdWString &s);
486 inline QStdWString toStdWString() const;
487# endif // QT_NO_STL_WCHAR
488# endif // qdoc
489#endif
490
491 // compatibility
492 struct Null { };
493 static const Null null;
494 inline QString(const Null &): d(&shared_null) { d->ref.ref(); }
495 inline QString &operator=(const Null &) { *this = QString(); return *this; }
496 inline bool isNull() const { return d == &shared_null; }
497
498#ifdef QT3_SUPPORT
499 inline QT3_SUPPORT const char *ascii() const { return ascii_helper(); }
500 inline QT3_SUPPORT const char *latin1() const { return latin1_helper(); }
501 inline QT3_SUPPORT QByteArray utf8() const { return toUtf8(); }
502 inline QT3_SUPPORT QByteArray local8Bit() const{ return toLocal8Bit(); }
503 inline QT3_SUPPORT void setLength(int nl) { resize(nl); }
504 inline QT3_SUPPORT QString copy() const { return *this; }
505 inline QT3_SUPPORT QString &remove(QChar c, bool cs)
506 { return remove(c, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
507 inline QT3_SUPPORT QString &remove(const QString &s, bool cs)
508 { return remove(s, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
509 inline QT3_SUPPORT QString &replace(QChar c, const QString &after, bool cs)
510 { return replace(c, after, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
511 inline QT3_SUPPORT QString &replace(const QString &before, const QString &after, bool cs)
512 { return replace(before, after, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
513#ifndef QT_NO_CAST_FROM_ASCII
514 inline QT3_SUPPORT QString &replace(char c, const QString &after, bool cs)
515 { return replace(QChar::fromAscii(c), after, cs ? Qt::CaseSensitive : Qt::CaseInsensitive); }
516 // strange overload, required to avoid GCC 3.3 error
517 inline QT3_SUPPORT QString &replace(char c, const QString &after, Qt::CaseSensitivity cs)
518 { return replace(QChar::fromAscii(c), after, cs ? Qt::CaseSensitive : Qt::CaseInsensitive); }
519#endif
520 inline QT3_SUPPORT int find(QChar c, int i = 0, bool cs = true) const
521 { return indexOf(c, i, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
522 inline QT3_SUPPORT int find(const QString &s, int i = 0, bool cs = true) const
523 { return indexOf(s, i, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
524 inline QT3_SUPPORT int findRev(QChar c, int i = -1, bool cs = true) const
525 { return lastIndexOf(c, i, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
526 inline QT3_SUPPORT int findRev(const QString &s, int i = -1, bool cs = true) const
527 { return lastIndexOf(s, i, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
528#ifndef QT_NO_REGEXP
529 inline QT3_SUPPORT int find(const QRegExp &rx, int i=0) const
530 { return indexOf(rx, i); }
531 inline QT3_SUPPORT int findRev(const QRegExp &rx, int i=-1) const
532 { return lastIndexOf(rx, i); }
533 inline QT3_SUPPORT int find(QRegExp &rx, int i=0) const
534 { return indexOf(rx, i); }
535 inline QT3_SUPPORT int findRev(QRegExp &rx, int i=-1) const
536 { return lastIndexOf(rx, i); }
537#endif
538 inline QT3_SUPPORT QBool contains(QChar c, bool cs) const
539 { return contains(c, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
540 inline QT3_SUPPORT QBool contains(const QString &s, bool cs) const
541 { return contains(s, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
542 inline QT3_SUPPORT bool startsWith(const QString &s, bool cs) const
543 { return startsWith(s, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
544 inline QT3_SUPPORT bool endsWith(const QString &s, bool cs) const
545 { return endsWith(s, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
546 inline QT3_SUPPORT QChar constref(uint i) const
547 { return at(i); }
548 QT3_SUPPORT QChar &ref(uint i);
549 inline QT3_SUPPORT QString leftJustify(int width, QChar aFill = QLatin1Char(' '), bool trunc=false) const
550 { return leftJustified(width, aFill, trunc); }
551 inline QT3_SUPPORT QString rightJustify(int width, QChar aFill = QLatin1Char(' '), bool trunc=false) const
552 { return rightJustified(width, aFill, trunc); }
553 inline QT3_SUPPORT QString lower() const { return toLower(); }
554 inline QT3_SUPPORT QString upper() const { return toUpper(); }
555 inline QT3_SUPPORT QString stripWhiteSpace() const { return trimmed(); }
556 inline QT3_SUPPORT QString simplifyWhiteSpace() const { return simplified(); }
557 inline QT3_SUPPORT QString &setUnicodeCodes(const ushort *unicode_as_ushorts, int aSize)
558 { return setUtf16(unicode_as_ushorts, aSize); }
559 inline QT3_SUPPORT const ushort *ucs2() const { return utf16(); }
560 inline static QT3_SUPPORT QString fromUcs2(const ushort *unicode, int size = -1)
561 { return fromUtf16(unicode, size); }
562 inline QT3_SUPPORT QString &setAscii(const char *str, int len = -1)
563 { *this = fromAscii(str, len); return *this; }
564 inline QT3_SUPPORT QString &setLatin1(const char *str, int len = -1)
565 { *this = fromLatin1(str, len); return *this; }
566protected:
567 friend class QObject;
568 const char *ascii_helper() const;
569 const char *latin1_helper() const;
570public:
571#ifndef QT_NO_CAST_TO_ASCII
572 inline QT3_SUPPORT operator const char *() const { return ascii_helper(); }
573private:
574 QT3_SUPPORT operator QNoImplicitBoolCast() const;
575public:
576#endif
577#endif
578
579 bool isSimpleText() const { if (!d->clean) updateProperties(); return d->simpletext; }
580 bool isRightToLeft() const { if (!d->clean) updateProperties(); return d->righttoleft; }
581
582private:
583#if defined(QT_NO_CAST_FROM_ASCII) && !defined(Q_NO_DECLARED_NOT_DEFINED)
584 QString &operator+=(const char *s);
585 QString &operator+=(const QByteArray &s);
586 QString(const char *ch);
587 QString(const QByteArray &a);
588 QString &operator=(const char *ch);
589 QString &operator=(const QByteArray &a);
590#endif
591
592 struct Data {
593 QBasicAtomicInt ref;
594 int alloc, size;
595 ushort *data;
596 ushort clean : 1;
597 ushort simpletext : 1;
598 ushort righttoleft : 1;
599 ushort asciiCache : 1;
600 ushort capacity : 1;
601 ushort reserved : 11;
602 ushort array[1];
603 };
604 static Data shared_null;
605 static Data shared_empty;
606 Data *d;
607 QString(Data *dd, int /*dummy*/) : d(dd) {}
608#ifndef QT_NO_TEXTCODEC
609 static QTextCodec *codecForCStrings;
610#endif
611 static int grow(int);
612 static void free(Data *);
613 void realloc();
614 void realloc(int alloc);
615 void expand(int i);
616 void updateProperties() const;
617 QString multiArg(int numArgs, const QString **args) const;
618 static int compare_helper(const QChar *data1, int length1,
619 const QChar *data2, int length2,
620 Qt::CaseSensitivity cs = Qt::CaseSensitive);
621 static int compare_helper(const QChar *data1, int length1,
622 QLatin1String s2,
623 Qt::CaseSensitivity cs = Qt::CaseSensitive);
624 static int localeAwareCompare_helper(const QChar *data1, int length1,
625 const QChar *data2, int length2);
626 static Data *fromLatin1_helper(const char *str, int size = -1);
627 static Data *fromAscii_helper(const char *str, int size = -1);
628 void replace_helper(uint *indices, int nIndices, int blen, const QChar *after, int alen);
629 friend class QCharRef;
630 friend class QTextCodec;
631 friend class QStringRef;
632 friend inline bool qStringComparisonHelper(const QString &s1, const char *s2);
633 friend inline bool qStringComparisonHelper(const QStringRef &s1, const char *s2);
634public:
635 typedef Data * DataPtr;
636 inline DataPtr &data_ptr() { return d; }
637};
638
639
640class Q_CORE_EXPORT QLatin1String
641{
642public:
643 inline explicit QLatin1String(const char *s) : chars(s) {}
644 inline QLatin1String &operator=(const QLatin1String &other)
645 { chars = other.chars; return *this; }
646
647 inline const char *latin1() const { return chars; }
648
649 inline bool operator==(const QString &s) const
650 { return s == *this; }
651 inline bool operator!=(const QString &s) const
652 { return s != *this; }
653 inline bool operator>(const QString &s) const
654 { return s < *this; }
655 inline bool operator<(const QString &s) const
656 { return s > *this; }
657 inline bool operator>=(const QString &s) const
658 { return s <= *this; }
659 inline bool operator<=(const QString &s) const
660 { return s >= *this; }
661
662 inline QT_ASCII_CAST_WARN bool operator==(const char *s) const
663 { return QString::fromAscii(s) == *this; }
664 inline QT_ASCII_CAST_WARN bool operator!=(const char *s) const
665 { return QString::fromAscii(s) != *this; }
666 inline QT_ASCII_CAST_WARN bool operator<(const char *s) const
667 { return QString::fromAscii(s) > *this; }
668 inline QT_ASCII_CAST_WARN bool operator>(const char *s) const
669 { return QString::fromAscii(s) < *this; }
670 inline QT_ASCII_CAST_WARN bool operator<=(const char *s) const
671 { return QString::fromAscii(s) >= *this; }
672 inline QT_ASCII_CAST_WARN bool operator>=(const char *s) const
673 { return QString::fromAscii(s) <= *this; }
674private:
675 const char *chars;
676};
677
678
679
680inline QString::QString(const QLatin1String &aLatin1) : d(fromLatin1_helper(aLatin1.latin1()))
681{ }
682inline int QString::length() const
683{ return d->size; }
684inline const QChar QString::at(int i) const
685{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
686inline const QChar QString::operator[](int i) const
687{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
688inline const QChar QString::operator[](uint i) const
689{ Q_ASSERT(i < uint(size())); return d->data[i]; }
690inline bool QString::isEmpty() const
691{ return d->size == 0; }
692inline const QChar *QString::unicode() const
693{ return reinterpret_cast<const QChar*>(d->data); }
694inline const QChar *QString::data() const
695{ return reinterpret_cast<const QChar*>(d->data); }
696inline QChar *QString::data()
697{ detach(); return reinterpret_cast<QChar*>(d->data); }
698inline const QChar *QString::constData() const
699{ return reinterpret_cast<const QChar*>(d->data); }
700inline void QString::detach()
701{ if (d->ref != 1 || d->data != d->array) realloc(); }
702inline bool QString::isDetached() const
703{ return d->ref == 1; }
704inline QString &QString::operator=(const QLatin1String &s)
705{
706 *this = fromLatin1(s.latin1());
707 return *this;
708}
709inline void QString::clear()
710{ if (!isNull()) *this = QString(); }
711inline QString::QString(const QString &other) : d(other.d)
712{ Q_ASSERT(&other != this); d->ref.ref(); }
713inline int QString::capacity() const
714{ return d->alloc; }
715inline QString &QString::setNum(short n, int base)
716{ return setNum(qlonglong(n), base); }
717inline QString &QString::setNum(ushort n, int base)
718{ return setNum(qulonglong(n), base); }
719inline QString &QString::setNum(int n, int base)
720{ return setNum(qlonglong(n), base); }
721inline QString &QString::setNum(uint n, int base)
722{ return setNum(qulonglong(n), base); }
723inline QString &QString::setNum(long n, int base)
724{ return setNum(qlonglong(n), base); }
725inline QString &QString::setNum(ulong n, int base)
726{ return setNum(qulonglong(n), base); }
727inline QString &QString::setNum(float n, char f, int prec)
728{ return setNum(double(n),f,prec); }
729inline QString QString::arg(int a, int fieldWidth, int base, const QChar &fillChar) const
730{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
731inline QString QString::arg(uint a, int fieldWidth, int base, const QChar &fillChar) const
732{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
733inline QString QString::arg(long a, int fieldWidth, int base, const QChar &fillChar) const
734{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
735inline QString QString::arg(ulong a, int fieldWidth, int base, const QChar &fillChar) const
736{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
737inline QString QString::arg(short a, int fieldWidth, int base, const QChar &fillChar) const
738{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
739inline QString QString::arg(ushort a, int fieldWidth, int base, const QChar &fillChar) const
740{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
741inline QString QString::arg(const QString &a1, const QString &a2) const
742{ const QString *args[2] = { &a1, &a2 }; return multiArg(2, args); }
743inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3) const
744{ const QString *args[3] = { &a1, &a2, &a3 }; return multiArg(3, args); }
745inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
746 const QString &a4) const
747{ const QString *args[4] = { &a1, &a2, &a3, &a4 }; return multiArg(4, args); }
748inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
749 const QString &a4, const QString &a5) const
750{ const QString *args[5] = { &a1, &a2, &a3, &a4, &a5 }; return multiArg(5, args); }
751inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
752 const QString &a4, const QString &a5, const QString &a6) const
753{ const QString *args[6] = { &a1, &a2, &a3, &a4, &a5, &a6 }; return multiArg(6, args); }
754inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
755 const QString &a4, const QString &a5, const QString &a6,
756 const QString &a7) const
757{ const QString *args[7] = { &a1, &a2, &a3, &a4, &a5, &a6, &a7 }; return multiArg(7, args); }
758inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
759 const QString &a4, const QString &a5, const QString &a6,
760 const QString &a7, const QString &a8) const
761{ const QString *args[8] = { &a1, &a2, &a3, &a4, &a5, &a6, &a7, &a8 }; return multiArg(8, args); }
762inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
763 const QString &a4, const QString &a5, const QString &a6,
764 const QString &a7, const QString &a8, const QString &a9) const
765{ const QString *args[9] = { &a1, &a2, &a3, &a4, &a5, &a6, &a7, &a8, &a9 }; return multiArg(9, args); }
766
767inline QString QString::section(QChar asep, int astart, int aend, SectionFlags aflags) const
768{ return section(QString(asep), astart, aend, aflags); }
769
770
771class Q_CORE_EXPORT QCharRef {
772 QString &s;
773 int i;
774 inline QCharRef(QString &str, int idx)
775 : s(str),i(idx) {}
776 friend class QString;
777public:
778
779 // most QChar operations repeated here
780
781 // all this is not documented: We just say "like QChar" and let it be.
782 inline operator QChar() const
783 { return i < s.d->size ? s.d->data[i] : 0; }
784 inline QCharRef &operator=(const QChar &c)
785 { if (i >= s.d->size) s.expand(i); else s.detach();
786 s.d->data[i] = c.unicode(); return *this; }
787
788 // An operator= for each QChar cast constructors
789#ifndef QT_NO_CAST_FROM_ASCII
790 inline QT_ASCII_CAST_WARN QCharRef &operator=(char c)
791 { return operator=(QChar::fromAscii(c)); }
792 inline QT_ASCII_CAST_WARN QCharRef &operator=(uchar c)
793 { return operator=(QChar::fromAscii(c)); }
794#endif
795 inline QCharRef &operator=(const QCharRef &c) { return operator=(QChar(c)); }
796 inline QCharRef &operator=(ushort rc) { return operator=(QChar(rc)); }
797 inline QCharRef &operator=(short rc) { return operator=(QChar(rc)); }
798 inline QCharRef &operator=(uint rc) { return operator=(QChar(rc)); }
799 inline QCharRef &operator=(int rc) { return operator=(QChar(rc)); }
800
801 // each function...
802 inline bool isNull() const { return QChar(*this).isNull(); }
803 inline bool isPrint() const { return QChar(*this).isPrint(); }
804 inline bool isPunct() const { return QChar(*this).isPunct(); }
805 inline bool isSpace() const { return QChar(*this).isSpace(); }
806 inline bool isMark() const { return QChar(*this).isMark(); }
807 inline bool isLetter() const { return QChar(*this).isLetter(); }
808 inline bool isNumber() const { return QChar(*this).isNumber(); }
809 inline bool isLetterOrNumber() { return QChar(*this).isLetterOrNumber(); }
810 inline bool isDigit() const { return QChar(*this).isDigit(); }
811 inline bool isLower() const { return QChar(*this).isLower(); }
812 inline bool isUpper() const { return QChar(*this).isUpper(); }
813 inline bool isTitleCase() const { return QChar(*this).isTitleCase(); }
814
815 inline int digitValue() const { return QChar(*this).digitValue(); }
816 QChar toLower() const { return QChar(*this).toLower(); }
817 QChar toUpper() const { return QChar(*this).toUpper(); }
818 QChar toTitleCase () const { return QChar(*this).toTitleCase(); }
819
820 QChar::Category category() const { return QChar(*this).category(); }
821 QChar::Direction direction() const { return QChar(*this).direction(); }
822 QChar::Joining joining() const { return QChar(*this).joining(); }
823 bool hasMirrored() const { return QChar(*this).hasMirrored(); }
824 QChar mirroredChar() const { return QChar(*this).mirroredChar(); }
825 QString decomposition() const { return QChar(*this).decomposition(); }
826 QChar::Decomposition decompositionTag() const { return QChar(*this).decompositionTag(); }
827 uchar combiningClass() const { return QChar(*this).combiningClass(); }
828
829 QChar::UnicodeVersion unicodeVersion() const { return QChar(*this).unicodeVersion(); }
830
831 inline uchar cell() const { return QChar(*this).cell(); }
832 inline uchar row() const { return QChar(*this).row(); }
833 inline void setCell(uchar cell);
834 inline void setRow(uchar row);
835
836#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
837 const char toAscii() const { return QChar(*this).toAscii(); }
838 const char toLatin1() const { return QChar(*this).toLatin1(); }
839 const ushort unicode() const { return QChar(*this).unicode(); }
840#else
841 char toAscii() const { return QChar(*this).toAscii(); }
842 char toLatin1() const { return QChar(*this).toLatin1(); }
843 ushort unicode() const { return QChar(*this).unicode(); }
844#endif
845 ushort& unicode() { return s.data()[i].unicode(); }
846
847#ifdef QT3_SUPPORT
848 inline QT3_SUPPORT bool mirrored() const { return hasMirrored(); }
849 inline QT3_SUPPORT QChar lower() const { return QChar(*this).toLower(); }
850 inline QT3_SUPPORT QChar upper() const { return QChar(*this).toUpper(); }
851#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
852 const QT3_SUPPORT char latin1() const { return QChar(*this).toLatin1(); }
853 const QT3_SUPPORT char ascii() const { return QChar(*this).toAscii(); }
854#else
855 QT3_SUPPORT char latin1() const { return QChar(*this).toLatin1(); }
856 QT3_SUPPORT char ascii() const { return QChar(*this).toAscii(); }
857#endif
858#endif
859};
860
861inline void QCharRef::setRow(uchar arow) { QChar(*this).setRow(arow); }
862inline void QCharRef::setCell(uchar acell) { QChar(*this).setCell(acell); }
863
864
865inline QString::QString() : d(&shared_null) { d->ref.ref(); }
866inline QString::~QString() { if (!d->ref.deref()) free(d); }
867inline void QString::reserve(int asize) { if (d->ref != 1 || asize > d->alloc) realloc(asize); d->capacity = 1;}
868inline QString &QString::setUtf16(const ushort *autf16, int asize)
869{ return setUnicode(reinterpret_cast<const QChar *>(autf16), asize); }
870inline QCharRef QString::operator[](int i)
871{ Q_ASSERT(i >= 0); return QCharRef(*this, i); }
872inline QCharRef QString::operator[](uint i)
873{ return QCharRef(*this, i); }
874inline QString::iterator QString::begin()
875{ detach(); return reinterpret_cast<QChar*>(d->data); }
876inline QString::const_iterator QString::begin() const
877{ return reinterpret_cast<const QChar*>(d->data); }
878inline QString::const_iterator QString::constBegin() const
879{ return reinterpret_cast<const QChar*>(d->data); }
880inline QString::iterator QString::end()
881{ detach(); return reinterpret_cast<QChar*>(d->data + d->size); }
882inline QString::const_iterator QString::end() const
883{ return reinterpret_cast<const QChar*>(d->data + d->size); }
884inline QString::const_iterator QString::constEnd() const
885{ return reinterpret_cast<const QChar*>(d->data + d->size); }
886inline QBool QString::contains(const QString &s, Qt::CaseSensitivity cs) const
887{ return QBool(indexOf(s, 0, cs) != -1); }
888inline QBool QString::contains(QChar c, Qt::CaseSensitivity cs) const
889{ return QBool(indexOf(c, 0, cs) != -1); }
890
891
892inline bool operator==(QString::Null, QString::Null) { return true; }
893inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
894inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
895inline bool operator!=(QString::Null, QString::Null) { return false; }
896inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
897inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
898
899#ifndef QT_NO_CAST_FROM_ASCII
900inline bool qStringComparisonHelper(const QString &s1, const char *s2)
901{
902# ifndef QT_NO_TEXTCODEC
903 if (QString::codecForCStrings) return (s1 == QString::fromAscii(s2));
904# endif
905 return (s1 == QLatin1String(s2));
906}
907inline bool QString::operator==(const char *s) const
908{ return qStringComparisonHelper(*this, s); }
909inline bool QString::operator!=(const char *s) const
910{ return !qStringComparisonHelper(*this, s); }
911inline bool QString::operator<(const char *s) const
912{ return *this < QString::fromAscii(s); }
913inline bool QString::operator>(const char *s) const
914{ return *this > QString::fromAscii(s); }
915inline bool QString::operator<=(const char *s) const
916{ return *this <= QString::fromAscii(s); }
917inline bool QString::operator>=(const char *s) const
918{ return *this >= QString::fromAscii(s); }
919
920inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
921{ return qStringComparisonHelper(s2, s1); }
922inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
923{ return !qStringComparisonHelper(s2, s1); }
924inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
925{ return (QString::fromAscii(s1) < s2); }
926inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
927{ return (QString::fromAscii(s1) > s2); }
928inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
929{ return (QString::fromAscii(s1) <= s2); }
930inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
931{ return (QString::fromAscii(s1) >= s2); }
932
933inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
934{ return QString::fromAscii(s1) == s2; }
935inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
936{ return QString::fromAscii(s1) != s2; }
937inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
938{ return (QString::fromAscii(s1) < s2); }
939inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
940{ return (QString::fromAscii(s1) > s2); }
941inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
942{ return (QString::fromAscii(s1) <= s2); }
943inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
944{ return (QString::fromAscii(s1) >= s2); }
945
946inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
947{ return (qstrcmp(s1.latin1(), s2.latin1()) == 0); }
948inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
949{ return (qstrcmp(s1.latin1(), s2.latin1()) != 0); }
950inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
951{ return (qstrcmp(s1.latin1(), s2.latin1()) < 0); }
952inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
953{ return (qstrcmp(s1.latin1(), s2.latin1()) <= 0); }
954inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
955{ return (qstrcmp(s1.latin1(), s2.latin1()) > 0); }
956inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
957{ return (qstrcmp(s1.latin1(), s2.latin1()) >= 0); }
958
959
960inline bool QString::operator==(const QByteArray &s) const
961{ return qStringComparisonHelper(*this, s.constData()); }
962inline bool QString::operator!=(const QByteArray &s) const
963{ return !qStringComparisonHelper(*this, s.constData()); }
964
965inline bool QByteArray::operator==(const QString &s) const
966{ return qStringComparisonHelper(s, constData()); }
967inline bool QByteArray::operator!=(const QString &s) const
968{ return !qStringComparisonHelper(s, constData()); }
969inline bool QByteArray::operator<(const QString &s) const
970{ return QString::fromAscii(constData(), size()) < s; }
971inline bool QByteArray::operator>(const QString &s) const
972{ return QString::fromAscii(constData(), size()) > s; }
973inline bool QByteArray::operator<=(const QString &s) const
974{ return QString::fromAscii(constData(), size()) <= s; }
975inline bool QByteArray::operator>=(const QString &s) const
976{ return QString::fromAscii(constData(), size()) >= s; }
977#endif // QT_NO_CAST_FROM_ASCII
978
979#ifndef QT_NO_CAST_TO_ASCII
980inline QByteArray &QByteArray::append(const QString &s)
981{ return append(s.toAscii()); }
982inline QByteArray &QByteArray::insert(int i, const QString &s)
983{ return insert(i, s.toAscii()); }
984inline QByteArray &QByteArray::replace(char c, const QString &after)
985{ return replace(c, after.toAscii()); }
986inline QByteArray &QByteArray::replace(const QString &before, const char *after)
987{ return replace(before.toAscii(), after); }
988inline QByteArray &QByteArray::replace(const QString &before, const QByteArray &after)
989{ return replace(before.toAscii(), after); }
990inline QByteArray &QByteArray::operator+=(const QString &s)
991{ return operator+=(s.toAscii()); }
992inline int QByteArray::indexOf(const QString &s, int from) const
993{ return indexOf(s.toAscii(), from); }
994inline int QByteArray::lastIndexOf(const QString &s, int from) const
995{ return lastIndexOf(s.toAscii(), from); }
996# ifdef QT3_SUPPORT
997inline int QByteArray::find(const QString &s, int from) const
998{ return indexOf(s.toAscii(), from); }
999inline int QByteArray::findRev(const QString &s, int from) const
1000{ return lastIndexOf(s.toAscii(), from); }
1001# endif // QT3_SUPPORT
1002#endif // QT_NO_CAST_TO_ASCII
1003
1004inline const QString operator+(const QString &s1, const QString &s2)
1005{ QString t(s1); t += s2; return t; }
1006inline const QString operator+(const QString &s1, QChar s2)
1007{ QString t(s1); t += s2; return t; }
1008inline const QString operator+(QChar s1, const QString &s2)
1009{ QString t(s1); t += s2; return t; }
1010#ifndef QT_NO_CAST_FROM_ASCII
1011inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
1012{ QString t(s1); t += QString::fromAscii(s2); return t; }
1013inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
1014{ QString t = QString::fromAscii(s1); t += s2; return t; }
1015inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
1016{ QString t = s; t.prepend(QChar::fromAscii(c)); return t; }
1017inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
1018{ QString t = s; t += QChar::fromAscii(c); return t; }
1019inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
1020{ QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
1021inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
1022{ QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
1023#endif
1024
1025#ifndef QT_NO_STL
1026inline std::string QString::toStdString() const
1027{ const QByteArray asc = toAscii(); return std::string(asc.constData(), asc.length()); }
1028
1029inline QString QString::fromStdString(const std::string &s)
1030{ return fromAscii(s.data(), int(s.size())); }
1031
1032# ifndef QT_NO_STL_WCHAR
1033inline QStdWString QString::toStdWString() const
1034{
1035 QStdWString str;
1036 str.resize(length());
1037
1038#if defined(_MSC_VER) && _MSC_VER >= 1400
1039 // VS2005 crashes if the string is empty
1040 if (!length())
1041 return str;
1042#endif
1043
1044 str.resize(toWCharArray(&(*str.begin())));
1045 return str;
1046}
1047inline QString QString::fromStdWString(const QStdWString &s)
1048{ return fromWCharArray(s.data(), int(s.size())); }
1049# endif
1050#endif
1051
1052#ifdef QT3_SUPPORT
1053inline QChar &QString::ref(uint i)
1054{
1055 if (int(i) > d->size || d->ref != 1)
1056 resize(qMax(int(i), d->size));
1057 return reinterpret_cast<QChar&>(d->data[i]);
1058}
1059#endif
1060
1061#ifndef QT_NO_DATASTREAM
1062Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QString &);
1063Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QString &);
1064#endif
1065
1066#ifdef QT3_SUPPORT
1067class QConstString : public QString
1068{
1069public:
1070 inline QT3_SUPPORT_CONSTRUCTOR QConstString(const QChar *aUnicode, int aSize)
1071 :QString(aUnicode, aSize){} // cannot use fromRawData() due to changed semantics
1072 inline QT3_SUPPORT const QString &string() const { return *this; }
1073};
1074#endif
1075
1076Q_DECLARE_TYPEINFO(QString, Q_MOVABLE_TYPE);
1077Q_DECLARE_SHARED(QString)
1078Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
1079
1080#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
1081extern Q_CORE_EXPORT QByteArray qt_winQString2MB(const QString& s, int len=-1);
1082extern Q_CORE_EXPORT QByteArray qt_winQString2MB(const QChar *ch, int len);
1083extern Q_CORE_EXPORT QString qt_winMB2QString(const char* mb, int len=-1);
1084#endif
1085
1086
1087class Q_CORE_EXPORT QStringRef {
1088 const QString *m_string;
1089 int m_position;
1090 int m_size;
1091public:
1092 inline QStringRef():m_string(0), m_position(0), m_size(0){}
1093 inline QStringRef(const QString *string, int position, int size);
1094 inline QStringRef(const QString *string);
1095 inline QStringRef(const QStringRef &other)
1096 :m_string(other.m_string), m_position(other.m_position), m_size(other.m_size)
1097 {}
1098
1099 inline ~QStringRef(){}
1100 inline const QString *string() const { return m_string; }
1101 inline int position() const { return m_position; }
1102 inline int size() const { return m_size; }
1103 inline int count() const { return m_size; }
1104 inline int length() const { return m_size; }
1105
1106 inline QStringRef &operator=(const QStringRef &other) {
1107 m_string = other.m_string; m_position = other.m_position;
1108 m_size = other.m_size; return *this;
1109 }
1110
1111 inline QStringRef &operator=(const QString *string);
1112
1113 inline const QChar *unicode() const {
1114 if (!m_string)
1115 return reinterpret_cast<const QChar *>(QString::shared_null.data);
1116 return m_string->unicode() + m_position;
1117 }
1118 inline const QChar *data() const { return unicode(); }
1119 inline const QChar *constData() const { return unicode(); }
1120
1121 inline void clear() { m_string = 0; m_position = m_size = 0; }
1122 QString toString() const;
1123 inline bool isEmpty() const { return m_size == 0; }
1124 inline bool isNull() const { return m_string == 0 || m_string->isNull(); }
1125
1126 QStringRef appendTo(QString *string) const;
1127
1128 inline const QChar at(int i) const
1129 { Q_ASSERT(i >= 0 && i < size()); return m_string->at(i + m_position); }
1130
1131 int compare(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
1132 int compare(const QStringRef &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
1133 int compare(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
1134 static int compare(const QStringRef &s1, const QString &s2,
1135 Qt::CaseSensitivity = Qt::CaseSensitive);
1136 static int compare(const QStringRef &s1, const QStringRef &s2,
1137 Qt::CaseSensitivity = Qt::CaseSensitive);
1138 static int compare(const QStringRef &s1, QLatin1String s2,
1139 Qt::CaseSensitivity cs = Qt::CaseSensitive);
1140
1141 int localeAwareCompare(const QString &s) const;
1142 int localeAwareCompare(const QStringRef &s) const;
1143 static int localeAwareCompare(const QStringRef &s1, const QString &s2);
1144 static int localeAwareCompare(const QStringRef &s1, const QStringRef &s2);
1145};
1146
1147inline QStringRef &QStringRef::operator=(const QString *aString)
1148{ m_string = aString; m_position = 0; m_size = aString?aString->size():0; return *this; }
1149
1150inline QStringRef::QStringRef(const QString *aString, int aPosition, int aSize)
1151 :m_string(aString), m_position(aPosition), m_size(aSize){}
1152
1153inline QStringRef::QStringRef(const QString *aString)
1154 :m_string(aString), m_position(0), m_size(aString?aString->size() : 0){}
1155
1156Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
1157inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
1158{ return !(s1 == s2); }
1159Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
1160inline bool operator!=(const QString &s1,const QStringRef &s2)
1161{ return !(s1 == s2); }
1162inline bool operator==(const QStringRef &s1,const QString &s2)
1163{ return s2 == s1; }
1164inline bool operator!=(const QStringRef &s1,const QString &s2)
1165{ return s2 != s1; }
1166Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
1167inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
1168{ return !(s1 == s2); }
1169inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
1170{ return s2 == s1; }
1171inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
1172{ return s2 != s1; }
1173
1174Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
1175inline bool operator>(const QStringRef &s1, const QStringRef &s2)
1176{ return s2 < s1; }
1177inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
1178{ return !(s1 > s2); }
1179inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
1180{ return !(s1 < s2); }
1181
1182inline bool qStringComparisonHelper(const QStringRef &s1, const char *s2)
1183{
1184# ifndef QT_NO_TEXTCODEC
1185 if (QString::codecForCStrings) return (s1 == QString::fromAscii(s2));
1186# endif
1187 return (s1 == QLatin1String(s2));
1188}
1189
1190inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
1191{ return qStringComparisonHelper(s2, s1); }
1192inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
1193{ return qStringComparisonHelper(s1, s2); }
1194inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
1195{ return !qStringComparisonHelper(s2, s1); }
1196inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
1197{ return !qStringComparisonHelper(s1, s2); }
1198
1199inline int QString::compare(const QStringRef &s, Qt::CaseSensitivity cs) const
1200{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
1201inline int QString::compare(const QString &s1, const QStringRef &s2, Qt::CaseSensitivity cs)
1202{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
1203inline int QStringRef::compare(const QString &s, Qt::CaseSensitivity cs) const
1204{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
1205inline int QStringRef::compare(const QStringRef &s, Qt::CaseSensitivity cs) const
1206{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
1207inline int QStringRef::compare(QLatin1String s, Qt::CaseSensitivity cs) const
1208{ return QString::compare_helper(constData(), length(), s, cs); }
1209inline int QStringRef::compare(const QStringRef &s1, const QString &s2, Qt::CaseSensitivity cs)
1210{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
1211inline int QStringRef::compare(const QStringRef &s1, const QStringRef &s2, Qt::CaseSensitivity cs)
1212{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
1213inline int QStringRef::compare(const QStringRef &s1, QLatin1String s2, Qt::CaseSensitivity cs)
1214{ return QString::compare_helper(s1.constData(), s1.length(), s2, cs); }
1215
1216inline int QString::localeAwareCompare(const QStringRef &s) const
1217{ return localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
1218inline int QString::localeAwareCompare(const QString& s1, const QStringRef& s2)
1219{ return localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
1220inline int QStringRef::localeAwareCompare(const QString &s) const
1221{ return QString::localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
1222inline int QStringRef::localeAwareCompare(const QStringRef &s) const
1223{ return QString::localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
1224inline int QStringRef::localeAwareCompare(const QStringRef &s1, const QString &s2)
1225{ return QString::localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
1226inline int QStringRef::localeAwareCompare(const QStringRef &s1, const QStringRef &s2)
1227{ return QString::localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
1228
1229
1230QT_END_NAMESPACE
1231
1232QT_END_HEADER
1233
1234#endif // QSTRING_H
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