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40****************************************************************************/
41
42#ifndef QBYTEARRAY_H
43#define QBYTEARRAY_H
44
45#include <QtCore/qatomic.h>
46#include <QtCore/qnamespace.h>
47
48#include <string.h>
49#include <stdarg.h>
50
51#ifdef truncate
52#error qbytearray.h must be included before any header file that defines truncate
53#endif
54
55#if defined(Q_CC_GNU) && (__GNUC__ == 4 && __GNUC_MINOR__ == 0)
56//There is a bug in GCC 4.0 that tries to instantiate template of annonymous enum
57# ifdef QT_USE_FAST_OPERATOR_PLUS
58# undef QT_USE_FAST_OPERATOR_PLUS
59# endif
60# ifdef QT_USE_QSTRINGBUILDER
61# undef QT_USE_QSTRINGBUILDER
62# endif
63
64#endif
65
66
67QT_BEGIN_HEADER
68
69QT_BEGIN_NAMESPACE
70
71QT_MODULE(Core)
72
73/*****************************************************************************
74 Safe and portable C string functions; extensions to standard string.h
75 *****************************************************************************/
76
77Q_CORE_EXPORT char *qstrdup(const char *);
78
79inline uint qstrlen(const char *str)
80{ return str ? uint(strlen(str)) : 0; }
81
82inline uint qstrnlen(const char *str, uint maxlen)
83{
84 uint length = 0;
85 if (str) {
86 while (length < maxlen && *str++)
87 length++;
88 }
89 return length;
90}
91
92Q_CORE_EXPORT char *qstrcpy(char *dst, const char *src);
93Q_CORE_EXPORT char *qstrncpy(char *dst, const char *src, uint len);
94
95Q_CORE_EXPORT int qstrcmp(const char *str1, const char *str2);
96Q_CORE_EXPORT int qstrcmp(const QByteArray &str1, const QByteArray &str2);
97Q_CORE_EXPORT int qstrcmp(const QByteArray &str1, const char *str2);
98static inline int qstrcmp(const char *str1, const QByteArray &str2)
99{ return -qstrcmp(str2, str1); }
100
101inline int qstrncmp(const char *str1, const char *str2, uint len)
102{
103 return (str1 && str2) ? strncmp(str1, str2, len)
104 : (str1 ? 1 : (str2 ? -1 : 0));
105}
106Q_CORE_EXPORT int qstricmp(const char *, const char *);
107Q_CORE_EXPORT int qstrnicmp(const char *, const char *, uint len);
108
109// implemented in qvsnprintf.cpp
110Q_CORE_EXPORT int qvsnprintf(char *str, size_t n, const char *fmt, va_list ap);
111Q_CORE_EXPORT int qsnprintf(char *str, size_t n, const char *fmt, ...);
112
113#ifdef QT3_SUPPORT
114inline QT3_SUPPORT void *qmemmove(void *dst, const void *src, uint len)
115{ return memmove(dst, src, len); }
116inline QT3_SUPPORT uint cstrlen(const char *str)
117{ return uint(strlen(str)); }
118inline QT3_SUPPORT char *cstrcpy(char *dst, const char *src)
119{ return qstrcpy(dst,src); }
120inline QT3_SUPPORT int cstrcmp(const char *str1, const char *str2)
121{ return strcmp(str1,str2); }
122inline QT3_SUPPORT int cstrncmp(const char *str1, const char *str2, uint len)
123{ return strncmp(str1,str2,len); }
124#endif
125
126// qChecksum: Internet checksum
127
128Q_CORE_EXPORT quint16 qChecksum(const char *s, uint len);
129
130class QByteRef;
131class QString;
132class QDataStream;
133template <typename T> class QList;
134
135class Q_CORE_EXPORT QByteArray
136{
137private:
138 struct Data {
139 QBasicAtomicInt ref;
140 int alloc, size;
141 // ### Qt 5.0: We need to add the missing capacity bit
142 // (like other tool classes have), to maintain the
143 // reserved memory on resize.
144 char *data;
145 char array[1];
146 };
147
148public:
149 inline QByteArray();
150 QByteArray(const char *);
151 QByteArray(const char *, int size);
152 QByteArray(int size, char c);
153 QByteArray(int size, Qt::Initialization);
154 inline QByteArray(const QByteArray &);
155 inline ~QByteArray();
156
157 QByteArray &operator=(const QByteArray &);
158 QByteArray &operator=(const char *str);
159#ifdef Q_COMPILER_RVALUE_REFS
160 inline QByteArray &operator=(QByteArray &&other)
161 { qSwap(d, other.d); return *this; }
162#endif
163
164 inline void swap(QByteArray &other) { qSwap(d, other.d); }
165
166 inline int size() const;
167 bool isEmpty() const;
168 void resize(int size);
169
170 QByteArray &fill(char c, int size = -1);
171
172 int capacity() const;
173 void reserve(int size);
174 void squeeze();
175
176#ifndef QT_NO_CAST_FROM_BYTEARRAY
177 operator const char *() const;
178 operator const void *() const;
179#endif
180 char *data();
181 const char *data() const;
182 inline const char *constData() const;
183 inline void detach();
184 bool isDetached() const;
185 inline bool isSharedWith(const QByteArray &other) const { return d == other.d; }
186 void clear();
187
188#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
189 const char at(int i) const;
190 const char operator[](int i) const;
191 const char operator[](uint i) const;
192#else
193 char at(int i) const;
194 char operator[](int i) const;
195 char operator[](uint i) const;
196#endif
197 QByteRef operator[](int i);
198 QByteRef operator[](uint i);
199
200 int indexOf(char c, int from = 0) const;
201 int indexOf(const char *c, int from = 0) const;
202 int indexOf(const QByteArray &a, int from = 0) const;
203 int lastIndexOf(char c, int from = -1) const;
204 int lastIndexOf(const char *c, int from = -1) const;
205 int lastIndexOf(const QByteArray &a, int from = -1) const;
206
207 QBool contains(char c) const;
208 QBool contains(const char *a) const;
209 QBool contains(const QByteArray &a) const;
210 int count(char c) const;
211 int count(const char *a) const;
212 int count(const QByteArray &a) const;
213
214 QByteArray left(int len) const;
215 QByteArray right(int len) const;
216 QByteArray mid(int index, int len = -1) const;
217
218 bool startsWith(const QByteArray &a) const;
219 bool startsWith(char c) const;
220 bool startsWith(const char *c) const;
221
222 bool endsWith(const QByteArray &a) const;
223 bool endsWith(char c) const;
224 bool endsWith(const char *c) const;
225
226 void truncate(int pos);
227 void chop(int n);
228
229 QByteArray toLower() const;
230 QByteArray toUpper() const;
231
232 QByteArray trimmed() const;
233 QByteArray simplified() const;
234 QByteArray leftJustified(int width, char fill = ' ', bool truncate = false) const;
235 QByteArray rightJustified(int width, char fill = ' ', bool truncate = false) const;
236
237#ifdef QT3_SUPPORT
238 inline QT3_SUPPORT QByteArray leftJustify(uint width, char aFill = ' ', bool aTruncate = false) const
239 { return leftJustified(int(width), aFill, aTruncate); }
240 inline QT3_SUPPORT QByteArray rightJustify(uint width, char aFill = ' ', bool aTruncate = false) const
241 { return rightJustified(int(width), aFill, aTruncate); }
242#endif
243
244 QByteArray &prepend(char c);
245 QByteArray &prepend(const char *s);
246 QByteArray &prepend(const char *s, int len);
247 QByteArray &prepend(const QByteArray &a);
248 QByteArray &append(char c);
249 QByteArray &append(const char *s);
250 QByteArray &append(const char *s, int len);
251 QByteArray &append(const QByteArray &a);
252 QByteArray &insert(int i, char c);
253 QByteArray &insert(int i, const char *s);
254 QByteArray &insert(int i, const char *s, int len);
255 QByteArray &insert(int i, const QByteArray &a);
256 QByteArray &remove(int index, int len);
257 QByteArray &replace(int index, int len, const char *s);
258 QByteArray &replace(int index, int len, const char *s, int alen);
259 QByteArray &replace(int index, int len, const QByteArray &s);
260 QByteArray &replace(char before, const char *after);
261 QByteArray &replace(char before, const QByteArray &after);
262 QByteArray &replace(const char *before, const char *after);
263 QByteArray &replace(const char *before, int bsize, const char *after, int asize);
264 QByteArray &replace(const QByteArray &before, const QByteArray &after);
265 QByteArray &replace(const QByteArray &before, const char *after);
266 QByteArray &replace(const char *before, const QByteArray &after);
267 QByteArray &replace(char before, char after);
268 QByteArray &operator+=(char c);
269 QByteArray &operator+=(const char *s);
270 QByteArray &operator+=(const QByteArray &a);
271
272 QList<QByteArray> split(char sep) const;
273
274 QByteArray repeated(int times) const;
275
276#ifndef QT_NO_CAST_TO_ASCII
277 QT_ASCII_CAST_WARN QByteArray &append(const QString &s);
278 QT_ASCII_CAST_WARN QByteArray &insert(int i, const QString &s);
279 QT_ASCII_CAST_WARN QByteArray &replace(const QString &before, const char *after);
280 QT_ASCII_CAST_WARN QByteArray &replace(char c, const QString &after);
281 QT_ASCII_CAST_WARN QByteArray &replace(const QString &before, const QByteArray &after);
282
283 QT_ASCII_CAST_WARN QByteArray &operator+=(const QString &s);
284 QT_ASCII_CAST_WARN int indexOf(const QString &s, int from = 0) const;
285 QT_ASCII_CAST_WARN int lastIndexOf(const QString &s, int from = -1) const;
286#endif
287#ifndef QT_NO_CAST_FROM_ASCII
288 inline QT_ASCII_CAST_WARN bool operator==(const QString &s2) const;
289 inline QT_ASCII_CAST_WARN bool operator!=(const QString &s2) const;
290 inline QT_ASCII_CAST_WARN bool operator<(const QString &s2) const;
291 inline QT_ASCII_CAST_WARN bool operator>(const QString &s2) const;
292 inline QT_ASCII_CAST_WARN bool operator<=(const QString &s2) const;
293 inline QT_ASCII_CAST_WARN bool operator>=(const QString &s2) const;
294#endif
295
296 short toShort(bool *ok = 0, int base = 10) const;
297 ushort toUShort(bool *ok = 0, int base = 10) const;
298 int toInt(bool *ok = 0, int base = 10) const;
299 uint toUInt(bool *ok = 0, int base = 10) const;
300 long toLong(bool *ok = 0, int base = 10) const;
301 ulong toULong(bool *ok = 0, int base = 10) const;
302 qlonglong toLongLong(bool *ok = 0, int base = 10) const;
303 qulonglong toULongLong(bool *ok = 0, int base = 10) const;
304 float toFloat(bool *ok = 0) const;
305 double toDouble(bool *ok = 0) const;
306 QByteArray toBase64() const;
307 QByteArray toHex() const;
308 QByteArray toPercentEncoding(const QByteArray &exclude = QByteArray(),
309 const QByteArray &include = QByteArray(),
310 char percent = '%') const;
311
312 QByteArray &setNum(short, int base = 10);
313 QByteArray &setNum(ushort, int base = 10);
314 QByteArray &setNum(int, int base = 10);
315 QByteArray &setNum(uint, int base = 10);
316 QByteArray &setNum(qlonglong, int base = 10);
317 QByteArray &setNum(qulonglong, int base = 10);
318 QByteArray &setNum(float, char f = 'g', int prec = 6);
319 QByteArray &setNum(double, char f = 'g', int prec = 6);
320 QByteArray &setRawData(const char *a, uint n); // ### Qt 5: use an int
321
322 static QByteArray number(int, int base = 10);
323 static QByteArray number(uint, int base = 10);
324 static QByteArray number(qlonglong, int base = 10);
325 static QByteArray number(qulonglong, int base = 10);
326 static QByteArray number(double, char f = 'g', int prec = 6);
327 static QByteArray fromRawData(const char *, int size);
328 static QByteArray fromBase64(const QByteArray &base64);
329 static QByteArray fromHex(const QByteArray &hexEncoded);
330 static QByteArray fromPercentEncoding(const QByteArray &pctEncoded, char percent = '%');
331
332
333 typedef char *iterator;
334 typedef const char *const_iterator;
335 typedef iterator Iterator;
336 typedef const_iterator ConstIterator;
337 iterator begin();
338 const_iterator begin() const;
339 const_iterator constBegin() const;
340 iterator end();
341 const_iterator end() const;
342 const_iterator constEnd() const;
343
344 // stl compatibility
345 typedef const char & const_reference;
346 typedef char & reference;
347 typedef char value_type;
348 void push_back(char c);
349 void push_back(const char *c);
350 void push_back(const QByteArray &a);
351 void push_front(char c);
352 void push_front(const char *c);
353 void push_front(const QByteArray &a);
354
355 inline int count() const { return d->size; }
356 int length() const { return d->size; }
357 bool isNull() const;
358
359 // compatibility
360#ifdef QT3_SUPPORT
361 QT3_SUPPORT_CONSTRUCTOR QByteArray(int size);
362 inline QT3_SUPPORT QByteArray& duplicate(const QByteArray& a) { *this = a; return *this; }
363 inline QT3_SUPPORT QByteArray& duplicate(const char *a, uint n)
364 { *this = QByteArray(a, n); return *this; }
365 inline QT3_SUPPORT void resetRawData(const char *, uint) { clear(); }
366 inline QT3_SUPPORT QByteArray lower() const { return toLower(); }
367 inline QT3_SUPPORT QByteArray upper() const { return toUpper(); }
368 inline QT3_SUPPORT QByteArray stripWhiteSpace() const { return trimmed(); }
369 inline QT3_SUPPORT QByteArray simplifyWhiteSpace() const { return simplified(); }
370 inline QT3_SUPPORT int find(char c, int from = 0) const { return indexOf(c, from); }
371 inline QT3_SUPPORT int find(const char *c, int from = 0) const { return indexOf(c, from); }
372 inline QT3_SUPPORT int find(const QByteArray &ba, int from = 0) const { return indexOf(ba, from); }
373 inline QT3_SUPPORT int findRev(char c, int from = -1) const { return lastIndexOf(c, from); }
374 inline QT3_SUPPORT int findRev(const char *c, int from = -1) const { return lastIndexOf(c, from); }
375 inline QT3_SUPPORT int findRev(const QByteArray &ba, int from = -1) const { return lastIndexOf(ba, from); }
376#ifndef QT_NO_CAST_TO_ASCII
377 QT3_SUPPORT int find(const QString &s, int from = 0) const;
378 QT3_SUPPORT int findRev(const QString &s, int from = -1) const;
379#endif
380#endif
381
382private:
383 operator QNoImplicitBoolCast() const;
384 static Data shared_null;
385 static Data shared_empty;
386 Data *d;
387 QByteArray(Data *dd, int /*dummy*/, int /*dummy*/) : d(dd) {}
388 void realloc(int alloc);
389 void expand(int i);
390 QByteArray nulTerminated() const;
391
392 friend class QByteRef;
393 friend class QString;
394 friend Q_CORE_EXPORT QByteArray qUncompress(const uchar *data, int nbytes);
395public:
396 typedef Data * DataPtr;
397 inline DataPtr &data_ptr() { return d; }
398};
399
400inline QByteArray::QByteArray(): d(&shared_null) { d->ref.ref(); }
401inline QByteArray::~QByteArray() { if (!d->ref.deref()) qFree(d); }
402inline int QByteArray::size() const
403{ return d->size; }
404
405#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
406inline const char QByteArray::at(int i) const
407{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
408inline const char QByteArray::operator[](int i) const
409{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
410inline const char QByteArray::operator[](uint i) const
411{ Q_ASSERT(i < uint(size())); return d->data[i]; }
412#else
413inline char QByteArray::at(int i) const
414{ Q_ASSERT(uint(i) < uint(size())); return d->data[i]; }
415inline char QByteArray::operator[](int i) const
416{ Q_ASSERT(uint(i) < uint(size())); return d->data[i]; }
417inline char QByteArray::operator[](uint i) const
418{ Q_ASSERT(i < uint(size())); return d->data[i]; }
419#endif
420
421inline bool QByteArray::isEmpty() const
422{ return d->size == 0; }
423#ifndef QT_NO_CAST_FROM_BYTEARRAY
424inline QByteArray::operator const char *() const
425{ return d->data; }
426inline QByteArray::operator const void *() const
427{ return d->data; }
428#endif
429inline char *QByteArray::data()
430{ detach(); return d->data; }
431inline const char *QByteArray::data() const
432{ return d->data; }
433inline const char *QByteArray::constData() const
434{ return d->data; }
435inline void QByteArray::detach()
436{ if (d->ref != 1 || d->data != d->array) realloc(d->size); }
437inline bool QByteArray::isDetached() const
438{ return d->ref == 1; }
439inline QByteArray::QByteArray(const QByteArray &a) : d(a.d)
440{ d->ref.ref(); }
441#ifdef QT3_SUPPORT
442inline QByteArray::QByteArray(int aSize) : d(&shared_null)
443{ d->ref.ref(); if (aSize > 0) fill('\0', aSize); }
444#endif
445
446inline int QByteArray::capacity() const
447{ return d->alloc; }
448
449inline void QByteArray::reserve(int asize)
450{ if (d->ref != 1 || asize > d->alloc) realloc(asize); }
451
452inline void QByteArray::squeeze()
453{ if (d->size < d->alloc) realloc(d->size); }
454
455class Q_CORE_EXPORT QByteRef {
456 QByteArray &a;
457 int i;
458 inline QByteRef(QByteArray &array, int idx)
459 : a(array),i(idx) {}
460 friend class QByteArray;
461public:
462#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
463 inline operator const char() const
464 { return i < a.d->size ? a.d->data[i] : char(0); }
465#else
466 inline operator char() const
467 { return i < a.d->size ? a.d->data[i] : char(0); }
468#endif
469 inline QByteRef &operator=(char c)
470 { if (i >= a.d->size) a.expand(i); else a.detach();
471 a.d->data[i] = c; return *this; }
472 inline QByteRef &operator=(const QByteRef &c)
473 { if (i >= a.d->size) a.expand(i); else a.detach();
474 a.d->data[i] = c.a.d->data[c.i]; return *this; }
475 inline bool operator==(char c) const
476 { return a.d->data[i] == c; }
477 inline bool operator!=(char c) const
478 { return a.d->data[i] != c; }
479 inline bool operator>(char c) const
480 { return a.d->data[i] > c; }
481 inline bool operator>=(char c) const
482 { return a.d->data[i] >= c; }
483 inline bool operator<(char c) const
484 { return a.d->data[i] < c; }
485 inline bool operator<=(char c) const
486 { return a.d->data[i] <= c; }
487};
488
489inline QByteRef QByteArray::operator[](int i)
490{ Q_ASSERT(i >= 0); return QByteRef(*this, i); }
491inline QByteRef QByteArray::operator[](uint i)
492{ return QByteRef(*this, i); }
493inline QByteArray::iterator QByteArray::begin()
494{ detach(); return d->data; }
495inline QByteArray::const_iterator QByteArray::begin() const
496{ return d->data; }
497inline QByteArray::const_iterator QByteArray::constBegin() const
498{ return d->data; }
499inline QByteArray::iterator QByteArray::end()
500{ detach(); return d->data + d->size; }
501inline QByteArray::const_iterator QByteArray::end() const
502{ return d->data + d->size; }
503inline QByteArray::const_iterator QByteArray::constEnd() const
504{ return d->data + d->size; }
505inline QByteArray &QByteArray::operator+=(char c)
506{ return append(c); }
507inline QByteArray &QByteArray::operator+=(const char *s)
508{ return append(s); }
509inline QByteArray &QByteArray::operator+=(const QByteArray &a)
510{ return append(a); }
511inline void QByteArray::push_back(char c)
512{ append(c); }
513inline void QByteArray::push_back(const char *c)
514{ append(c); }
515inline void QByteArray::push_back(const QByteArray &a)
516{ append(a); }
517inline void QByteArray::push_front(char c)
518{ prepend(c); }
519inline void QByteArray::push_front(const char *c)
520{ prepend(c); }
521inline void QByteArray::push_front(const QByteArray &a)
522{ prepend(a); }
523inline QBool QByteArray::contains(const QByteArray &a) const
524{ return QBool(indexOf(a) != -1); }
525inline QBool QByteArray::contains(char c) const
526{ return QBool(indexOf(c) != -1); }
527inline bool operator==(const QByteArray &a1, const QByteArray &a2)
528{ return (a1.size() == a2.size()) && (memcmp(a1.constData(), a2.constData(), a1.size())==0); }
529inline bool operator==(const QByteArray &a1, const char *a2)
530{ return a2 ? qstrcmp(a1,a2) == 0 : a1.isEmpty(); }
531inline bool operator==(const char *a1, const QByteArray &a2)
532{ return a1 ? qstrcmp(a1,a2) == 0 : a2.isEmpty(); }
533inline bool operator!=(const QByteArray &a1, const QByteArray &a2)
534{ return !(a1==a2); }
535inline bool operator!=(const QByteArray &a1, const char *a2)
536{ return a2 ? qstrcmp(a1,a2) != 0 : !a1.isEmpty(); }
537inline bool operator!=(const char *a1, const QByteArray &a2)
538{ return a1 ? qstrcmp(a1,a2) != 0 : !a2.isEmpty(); }
539inline bool operator<(const QByteArray &a1, const QByteArray &a2)
540{ return qstrcmp(a1, a2) < 0; }
541 inline bool operator<(const QByteArray &a1, const char *a2)
542{ return qstrcmp(a1, a2) < 0; }
543inline bool operator<(const char *a1, const QByteArray &a2)
544{ return qstrcmp(a1, a2) < 0; }
545inline bool operator<=(const QByteArray &a1, const QByteArray &a2)
546{ return qstrcmp(a1, a2) <= 0; }
547inline bool operator<=(const QByteArray &a1, const char *a2)
548{ return qstrcmp(a1, a2) <= 0; }
549inline bool operator<=(const char *a1, const QByteArray &a2)
550{ return qstrcmp(a1, a2) <= 0; }
551inline bool operator>(const QByteArray &a1, const QByteArray &a2)
552{ return qstrcmp(a1, a2) > 0; }
553inline bool operator>(const QByteArray &a1, const char *a2)
554{ return qstrcmp(a1, a2) > 0; }
555inline bool operator>(const char *a1, const QByteArray &a2)
556{ return qstrcmp(a1, a2) > 0; }
557inline bool operator>=(const QByteArray &a1, const QByteArray &a2)
558{ return qstrcmp(a1, a2) >= 0; }
559inline bool operator>=(const QByteArray &a1, const char *a2)
560{ return qstrcmp(a1, a2) >= 0; }
561inline bool operator>=(const char *a1, const QByteArray &a2)
562{ return qstrcmp(a1, a2) >= 0; }
563#if !defined(QT_USE_QSTRINGBUILDER)
564inline const QByteArray operator+(const QByteArray &a1, const QByteArray &a2)
565{ return QByteArray(a1) += a2; }
566inline const QByteArray operator+(const QByteArray &a1, const char *a2)
567{ return QByteArray(a1) += a2; }
568inline const QByteArray operator+(const QByteArray &a1, char a2)
569{ return QByteArray(a1) += a2; }
570inline const QByteArray operator+(const char *a1, const QByteArray &a2)
571{ return QByteArray(a1) += a2; }
572inline const QByteArray operator+(char a1, const QByteArray &a2)
573{ return QByteArray(&a1, 1) += a2; }
574#endif // QT_USE_QSTRINGBUILDER
575inline QBool QByteArray::contains(const char *c) const
576{ return QBool(indexOf(c) != -1); }
577inline QByteArray &QByteArray::replace(char before, const char *c)
578{ return replace(&before, 1, c, qstrlen(c)); }
579inline QByteArray &QByteArray::replace(const QByteArray &before, const char *c)
580{ return replace(before.constData(), before.size(), c, qstrlen(c)); }
581inline QByteArray &QByteArray::replace(const char *before, const char *after)
582{ return replace(before, qstrlen(before), after, qstrlen(after)); }
583
584inline QByteArray &QByteArray::setNum(short n, int base)
585{ return setNum(qlonglong(n), base); }
586inline QByteArray &QByteArray::setNum(ushort n, int base)
587{ return setNum(qulonglong(n), base); }
588inline QByteArray &QByteArray::setNum(int n, int base)
589{ return setNum(qlonglong(n), base); }
590inline QByteArray &QByteArray::setNum(uint n, int base)
591{ return setNum(qulonglong(n), base); }
592inline QByteArray &QByteArray::setNum(float n, char f, int prec)
593{ return setNum(double(n),f,prec); }
594
595
596#if !defined(QT_NO_DATASTREAM) || (defined(QT_BOOTSTRAPPED) && !defined(QT_BUILD_QMAKE))
597Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QByteArray &);
598Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QByteArray &);
599#endif
600
601#ifndef QT_NO_COMPRESS
602Q_CORE_EXPORT QByteArray qCompress(const uchar* data, int nbytes, int compressionLevel = -1);
603Q_CORE_EXPORT QByteArray qUncompress(const uchar* data, int nbytes);
604inline QByteArray qCompress(const QByteArray& data, int compressionLevel = -1)
605{ return qCompress(reinterpret_cast<const uchar *>(data.constData()), data.size(), compressionLevel); }
606inline QByteArray qUncompress(const QByteArray& data)
607{ return qUncompress(reinterpret_cast<const uchar*>(data.constData()), data.size()); }
608#endif
609
610Q_DECLARE_TYPEINFO(QByteArray, Q_MOVABLE_TYPE);
611Q_DECLARE_SHARED(QByteArray)
612
613QT_END_NAMESPACE
614
615QT_END_HEADER
616
617#ifdef QT_USE_QSTRINGBUILDER
618#include <QtCore/qstring.h>
619#endif
620
621#endif // QBYTEARRAY_H
622