1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QVECTOR_H
#define QVECTOR_H
#include <QtCore/qiterator.h>
#include <QtCore/qatomic.h>
#include <QtCore/qalgorithms.h>
#include <QtCore/qlist.h>
#ifndef QT_NO_STL
#include <iterator>
#include <vector>
#endif
#include <stdlib.h>
#include <string.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
struct Q_CORE_EXPORT QVectorData
{
QBasicAtomicInt ref;
int alloc;
int size;
#if defined(QT_ARCH_SPARC) && defined(Q_CC_GNU) && defined(__LP64__) && defined(QT_BOOTSTRAPPED)
// workaround for bug in gcc 3.4.2
uint sharable;
uint capacity;
uint reserved;
#else
uint sharable : 1;
uint capacity : 1;
uint reserved : 30;
#endif
static QVectorData shared_null;
// ### Qt 5: rename to 'allocate()'. The current name causes problems for
// some debugges when the QVector is member of a class within an unnamed namespace.
// ### Qt 5: can be removed completely. (Ralf)
static QVectorData *malloc(int sizeofTypedData, int size, int sizeofT, QVectorData *init);
static QVectorData *allocate(int size, int alignment);
static QVectorData *reallocate(QVectorData *old, int newsize, int oldsize, int alignment);
static void free(QVectorData *data, int alignment);
static int grow(int sizeofTypedData, int size, int sizeofT, bool excessive);
};
template <typename T>
struct QVectorTypedData : private QVectorData
{ // private inheritance as we must not access QVectorData member thought QVectorTypedData
// as this would break strict aliasing rules. (in the case of shared_null)
T array[1];
static inline void free(QVectorTypedData<T> *x, int alignment) { QVectorData::free(static_cast<QVectorData *>(x), alignment); }
};
class QRegion;
template <typename T>
class QVector
{
typedef QVectorTypedData<T> Data;
union {
QVectorData *d;
#if defined(Q_CC_SUN) && (__SUNPRO_CC <= 0x550)
QVectorTypedData<T> *p;
#else
Data *p;
#endif
};
public:
inline QVector() : d(&QVectorData::shared_null) { d->ref.ref(); }
explicit QVector(int size);
QVector(int size, const T &t);
inline QVector(const QVector<T> &v) : d(v.d) { d->ref.ref(); if (!d->sharable) detach_helper(); }
inline ~QVector() { if (!d) return; if (!d->ref.deref()) free(p); }
QVector<T> &operator=(const QVector<T> &v);
bool operator==(const QVector<T> &v) const;
inline bool operator!=(const QVector<T> &v) const { return !(*this == v); }
inline int size() const { return d->size; }
inline bool isEmpty() const { return d->size == 0; }
void resize(int size);
inline int capacity() const { return d->alloc; }
void reserve(int size);
inline void squeeze() { realloc(d->size, d->size); d->capacity = 0; }
inline void detach() { if (d->ref != 1) detach_helper(); }
inline bool isDetached() const { return d->ref == 1; }
inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; }
inline T *data() { detach(); return p->array; }
inline const T *data() const { return p->array; }
inline const T *constData() const { return p->array; }
void clear();
const T &at(int i) const;
T &operator[](int i);
const T &operator[](int i) const;
void append(const T &t);
void prepend(const T &t);
void insert(int i, const T &t);
void insert(int i, int n, const T &t);
void replace(int i, const T &t);
void remove(int i);
void remove(int i, int n);
QVector<T> &fill(const T &t, int size = -1);
int indexOf(const T &t, int from = 0) const;
int lastIndexOf(const T &t, int from = -1) const;
bool contains(const T &t) const;
int count(const T &t) const;
#ifdef QT_STRICT_ITERATORS
class iterator {
public:
T *i;
typedef std::random_access_iterator_tag iterator_category;
typedef ptrdiff_t difference_type;
typedef T value_type;
typedef T *pointer;
typedef T &reference;
inline iterator() : i(0) {}
inline iterator(T *n) : i(n) {}
inline iterator(const iterator &o): i(o.i){}
inline T &operator*() const { return *i; }
inline T *operator->() const { return i; }
inline T &operator[](int j) const { return *(i + j); }
inline bool operator==(const iterator &o) const { return i == o.i; }
inline bool operator!=(const iterator &o) const { return i != o.i; }
inline bool operator<(const iterator& other) const { return i < other.i; }
inline bool operator<=(const iterator& other) const { return i <= other.i; }
inline bool operator>(const iterator& other) const { return i > other.i; }
inline bool operator>=(const iterator& other) const { return i >= other.i; }
inline iterator &operator++() { ++i; return *this; }
inline iterator operator++(int) { T *n = i; ++i; return n; }
inline iterator &operator--() { i--; return *this; }
inline iterator operator--(int) { T *n = i; i--; return n; }
inline iterator &operator+=(int j) { i+=j; return *this; }
inline iterator &operator-=(int j) { i-=j; return *this; }
inline iterator operator+(int j) const { return iterator(i+j); }
inline iterator operator-(int j) const { return iterator(i-j); }
inline int operator-(iterator j) const { return i - j.i; }
};
friend class iterator;
class const_iterator {
public:
T *i;
typedef std::random_access_iterator_tag iterator_category;
typedef ptrdiff_t difference_type;
typedef T value_type;
typedef const T *pointer;
typedef const T &reference;
inline const_iterator() : i(0) {}
inline const_iterator(T *n) : i(n) {}
inline const_iterator(const const_iterator &o): i(o.i) {}
inline explicit const_iterator(const iterator &o): i(o.i) {}
inline const T &operator*() const { return *i; }
inline const T *operator->() const { return i; }
inline const T &operator[](int j) const { return *(i + j); }
inline bool operator==(const const_iterator &o) const { return i == o.i; }
inline bool operator!=(const const_iterator &o) const { return i != o.i; }
inline bool operator<(const const_iterator& other) const { return i < other.i; }
inline bool operator<=(const const_iterator& other) const { return i <= other.i; }
inline bool operator>(const const_iterator& other) const { return i > other.i; }
inline bool operator>=(const const_iterator& other) const { return i >= other.i; }
inline const_iterator &operator++() { ++i; return *this; }
inline const_iterator operator++(int) { T *n = i; ++i; return n; }
inline const_iterator &operator--() { i--; return *this; }
inline const_iterator operator--(int) { T *n = i; i--; return n; }
inline const_iterator &operator+=(int j) { i+=j; return *this; }
inline const_iterator &operator-=(int j) { i-=j; return *this; }
inline const_iterator operator+(int j) const { return const_iterator(i+j); }
inline const_iterator operator-(int j) const { return const_iterator(i-j); }
inline int operator-(const_iterator j) const { return i - j.i; }
};
friend class const_iterator;
#else
// STL-style
typedef T* iterator;
typedef const T* const_iterator;
#endif
inline iterator begin() { detach(); return p->array; }
inline const_iterator begin() const { return p->array; }
inline const_iterator constBegin() const { return p->array; }
inline iterator end() { detach(); return p->array + d->size; }
inline const_iterator end() const { return p->array + d->size; }
inline const_iterator constEnd() const { return p->array + d->size; }
iterator insert(iterator before, int n, const T &x);
inline iterator insert(iterator before, const T &x) { return insert(before, 1, x); }
iterator erase(iterator begin, iterator end);
inline iterator erase(iterator pos) { return erase(pos, pos+1); }
// more Qt
inline int count() const { return d->size; }
inline T& first() { Q_ASSERT(!isEmpty()); return *begin(); }
inline const T &first() const { Q_ASSERT(!isEmpty()); return *begin(); }
inline T& last() { Q_ASSERT(!isEmpty()); return *(end()-1); }
inline const T &last() const { Q_ASSERT(!isEmpty()); return *(end()-1); }
inline bool startsWith(const T &t) const { return !isEmpty() && first() == t; }
inline bool endsWith(const T &t) const { return !isEmpty() && last() == t; }
QVector<T> mid(int pos, int length = -1) const;
T value(int i) const;
T value(int i, const T &defaultValue) const;
// STL compatibility
typedef T value_type;
typedef value_type* pointer;
typedef const value_type* const_pointer;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef ptrdiff_t difference_type;
typedef iterator Iterator;
typedef const_iterator ConstIterator;
typedef int size_type;
inline void push_back(const T &t) { append(t); }
inline void push_front(const T &t) { prepend(t); }
void pop_back() { Q_ASSERT(!isEmpty()); erase(end()-1); }
void pop_front() { Q_ASSERT(!isEmpty()); erase(begin()); }
inline bool empty() const
{ return d->size == 0; }
inline T& front() { return first(); }
inline const_reference front() const { return first(); }
inline reference back() { return last(); }
inline const_reference back() const { return last(); }
// comfort
QVector<T> &operator+=(const QVector<T> &l);
inline QVector<T> operator+(const QVector<T> &l) const
{ QVector n = *this; n += l; return n; }
inline QVector<T> &operator+=(const T &t)
{ append(t); return *this; }
inline QVector<T> &operator<< (const T &t)
{ append(t); return *this; }
inline QVector<T> &operator<<(const QVector<T> &l)
{ *this += l; return *this; }
QList<T> toList() const;
static QVector<T> fromList(const QList<T> &list);
#ifndef QT_NO_STL
static inline QVector<T> fromStdVector(const std::vector<T> &vector)
{ QVector<T> tmp; qCopy(vector.begin(), vector.end(), std::back_inserter(tmp)); return tmp; }
inline std::vector<T> toStdVector() const
{ std::vector<T> tmp; qCopy(constBegin(), constEnd(), std::back_inserter(tmp)); return tmp; }
#endif
private:
friend class QRegion; // Optimization for QRegion::rects()
void detach_helper();
QVectorData *malloc(int alloc);
void realloc(int size, int alloc);
void free(Data *d);
int sizeOfTypedData() {
// this is more or less the same as sizeof(Data), except that it doesn't
// count the padding at the end
return reinterpret_cast<const char *>(&(reinterpret_cast<const Data *>(this))->array[1]) - reinterpret_cast<const char *>(this);
}
inline int alignOfTypedData() const
{
#ifdef Q_ALIGNOF
return qMax<int>(sizeof(void*), Q_ALIGNOF(Data));
#else
return 0;
#endif
}
};
template <typename T>
void QVector<T>::detach_helper()
{ realloc(d->size, d->alloc); }
template <typename T>
void QVector<T>::reserve(int asize)
{ if (asize > d->alloc) realloc(d->size, asize); if (d->ref == 1) d->capacity = 1; }
template <typename T>
void QVector<T>::resize(int asize)
{ realloc(asize, (asize > d->alloc || (!d->capacity && asize < d->size && asize < (d->alloc >> 1))) ?
QVectorData::grow(sizeOfTypedData(), asize, sizeof(T), QTypeInfo<T>::isStatic)
: d->alloc); }
template <typename T>
inline void QVector<T>::clear()
{ *this = QVector<T>(); }
template <typename T>
inline const T &QVector<T>::at(int i) const
{ Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::at", "index out of range");
return p->array[i]; }
template <typename T>
inline const T &QVector<T>::operator[](int i) const
{ Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::operator[]", "index out of range");
return p->array[i]; }
template <typename T>
inline T &QVector<T>::operator[](int i)
{ Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::operator[]", "index out of range");
return data()[i]; }
template <typename T>
inline void QVector<T>::insert(int i, const T &t)
{ Q_ASSERT_X(i >= 0 && i <= d->size, "QVector<T>::insert", "index out of range");
insert(begin() + i, 1, t); }
template <typename T>
inline void QVector<T>::insert(int i, int n, const T &t)
{ Q_ASSERT_X(i >= 0 && i <= d->size, "QVector<T>::insert", "index out of range");
insert(begin() + i, n, t); }
template <typename T>
inline void QVector<T>::remove(int i, int n)
{ Q_ASSERT_X(i >= 0 && n >= 0 && i + n <= d->size, "QVector<T>::remove", "index out of range");
erase(begin() + i, begin() + i + n); }
template <typename T>
inline void QVector<T>::remove(int i)
{ Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::remove", "index out of range");
erase(begin() + i, begin() + i + 1); }
template <typename T>
inline void QVector<T>::prepend(const T &t)
{ insert(begin(), 1, t); }
template <typename T>
inline void QVector<T>::replace(int i, const T &t)
{
Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::replace", "index out of range");
const T copy(t);
data()[i] = copy;
}
template <typename T>
QVector<T> &QVector<T>::operator=(const QVector<T> &v)
{
v.d->ref.ref();
if (!d->ref.deref())
free(p);
d = v.d;
if (!d->sharable)
detach_helper();
return *this;
}
template <typename T>
inline QVectorData *QVector<T>::malloc(int aalloc)
{
QVectorData *vectordata = QVectorData::allocate(sizeOfTypedData() + (aalloc - 1) * sizeof(T), alignOfTypedData());
Q_CHECK_PTR(vectordata);
return vectordata;
}
template <typename T>
QVector<T>::QVector(int asize)
{
d = malloc(asize);
d->ref = 1;
d->alloc = d->size = asize;
d->sharable = true;
d->capacity = false;
if (QTypeInfo<T>::isComplex) {
T* b = p->array;
T* i = p->array + d->size;
while (i != b)
new (--i) T;
} else {
qMemSet(p->array, 0, asize * sizeof(T));
}
}
template <typename T>
QVector<T>::QVector(int asize, const T &t)
{
d = malloc(asize);
d->ref = 1;
d->alloc = d->size = asize;
d->sharable = true;
d->capacity = false;
T* i = p->array + d->size;
while (i != p->array)
new (--i) T(t);
}
template <typename T>
void QVector<T>::free(Data *x)
{
if (QTypeInfo<T>::isComplex) {
T* b = x->array;
union { QVectorData *d; Data *p; } u;
u.p = x;
T* i = b + u.d->size;
while (i-- != b)
i->~T();
}
x->free(x, alignOfTypedData());
}
template <typename T>
void QVector<T>::realloc(int asize, int aalloc)
{
Q_ASSERT(asize <= aalloc);
T *pOld;
T *pNew;
union { QVectorData *d; Data *p; } x;
x.d = d;
if (QTypeInfo<T>::isComplex && asize < d->size && d->ref == 1 ) {
// call the destructor on all objects that need to be
// destroyed when shrinking
pOld = p->array + d->size;
pNew = p->array + asize;
while (asize < d->size) {
(--pOld)->~T();
d->size--;
}
}
if (aalloc != d->alloc || d->ref != 1) {
// (re)allocate memory
if (QTypeInfo<T>::isStatic) {
x.d = malloc(aalloc);
Q_CHECK_PTR(x.p);
x.d->size = 0;
} else if (d->ref != 1) {
x.d = malloc(aalloc);
Q_CHECK_PTR(x.p);
if (QTypeInfo<T>::isComplex) {
x.d->size = 0;
} else {
::memcpy(x.p, p, sizeOfTypedData() + (qMin(aalloc, d->alloc) - 1) * sizeof(T));
x.d->size = d->size;
}
} else {
QT_TRY {
QVectorData *mem = QVectorData::reallocate(d, sizeOfTypedData() + (aalloc - 1) * sizeof(T),
sizeOfTypedData() + (d->alloc - 1) * sizeof(T), alignOfTypedData());
Q_CHECK_PTR(mem);
x.d = d = mem;
x.d->size = d->size;
} QT_CATCH (const std::bad_alloc &) {
if (aalloc > d->alloc) // ignore the error in case we are just shrinking.
QT_RETHROW;
}
}
x.d->ref = 1;
x.d->alloc = aalloc;
x.d->sharable = true;
x.d->capacity = d->capacity;
x.d->reserved = 0;
}
if (QTypeInfo<T>::isComplex) {
QT_TRY {
pOld = p->array + x.d->size;
pNew = x.p->array + x.d->size;
// copy objects from the old array into the new array
const int toMove = qMin(asize, d->size);
while (x.d->size < toMove) {
new (pNew++) T(*pOld++);
x.d->size++;
}
// construct all new objects when growing
while (x.d->size < asize) {
new (pNew++) T;
x.d->size++;
}
} QT_CATCH (...) {
free(x.p);
QT_RETHROW;
}
} else if (asize > x.d->size) {
// initialize newly allocated memory to 0
qMemSet(x.p->array + x.d->size, 0, (asize - x.d->size) * sizeof(T));
}
x.d->size = asize;
if (d != x.d) {
if (!d->ref.deref())
free(p);
d = x.d;
}
}
template<typename T>
Q_OUTOFLINE_TEMPLATE T QVector<T>::value(int i) const
{
if (i < 0 || i >= d->size) {
return T();
}
return p->array[i];
}
template<typename T>
Q_OUTOFLINE_TEMPLATE T QVector<T>::value(int i, const T &defaultValue) const
{
return ((i < 0 || i >= d->size) ? defaultValue : p->array[i]);
}
template <typename T>
void QVector<T>::append(const T &t)
{
if (d->ref != 1 || d->size + 1 > d->alloc) {
const T copy(t);
realloc(d->size, QVectorData::grow(sizeOfTypedData(), d->size + 1, sizeof(T),
QTypeInfo<T>::isStatic));
if (QTypeInfo<T>::isComplex)
new (p->array + d->size) T(copy);
else
p->array[d->size] = copy;
} else {
if (QTypeInfo<T>::isComplex)
new (p->array + d->size) T(t);
else
p->array[d->size] = t;
}
++d->size;
}
template <typename T>
Q_TYPENAME QVector<T>::iterator QVector<T>::insert(iterator before, size_type n, const T &t)
{
int offset = int(before - p->array);
if (n != 0) {
const T copy(t);
if (d->ref != 1 || d->size + n > d->alloc)
realloc(d->size, QVectorData::grow(sizeOfTypedData(), d->size + n, sizeof(T),
QTypeInfo<T>::isStatic));
if (QTypeInfo<T>::isStatic) {
T *b = p->array + d->size;
T *i = p->array + d->size + n;
while (i != b)
new (--i) T;
i = p->array + d->size;
T *j = i + n;
b = p->array + offset;
while (i != b)
*--j = *--i;
i = b+n;
while (i != b)
*--i = copy;
} else {
T *b = p->array + offset;
T *i = b + n;
memmove(i, b, (d->size - offset) * sizeof(T));
while (i != b)
new (--i) T(copy);
}
d->size += n;
}
return p->array + offset;
}
template <typename T>
Q_TYPENAME QVector<T>::iterator QVector<T>::erase(iterator abegin, iterator aend)
{
int f = int(abegin - p->array);
int l = int(aend - p->array);
int n = l - f;
detach();
if (QTypeInfo<T>::isComplex) {
qCopy(p->array+l, p->array+d->size, p->array+f);
T *i = p->array+d->size;
T* b = p->array+d->size-n;
while (i != b) {
--i;
i->~T();
}
} else {
memmove(p->array + f, p->array + l, (d->size-l)*sizeof(T));
}
d->size -= n;
return p->array + f;
}
template <typename T>
bool QVector<T>::operator==(const QVector<T> &v) const
{
if (d->size != v.d->size)
return false;
if (d == v.d)
return true;
T* b = p->array;
T* i = b + d->size;
T* j = v.p->array + d->size;
while (i != b)
if (!(*--i == *--j))
return false;
return true;
}
template <typename T>
QVector<T> &QVector<T>::fill(const T &from, int asize)
{
const T copy(from);
resize(asize < 0 ? d->size : asize);
if (d->size) {
T *i = p->array + d->size;
T *b = p->array;
while (i != b)
*--i = copy;
}
return *this;
}
template <typename T>
QVector<T> &QVector<T>::operator+=(const QVector &l)
{
int newSize = d->size + l.d->size;
realloc(d->size, newSize);
T *w = p->array + newSize;
T *i = l.p->array + l.d->size;
T *b = l.p->array;
while (i != b) {
if (QTypeInfo<T>::isComplex)
new (--w) T(*--i);
else
*--w = *--i;
}
d->size = newSize;
return *this;
}
template <typename T>
int QVector<T>::indexOf(const T &t, int from) const
{
if (from < 0)
from = qMax(from + d->size, 0);
if (from < d->size) {
T* n = p->array + from - 1;
T* e = p->array + d->size;
while (++n != e)
if (*n == t)
return n - p->array;
}
return -1;
}
template <typename T>
int QVector<T>::lastIndexOf(const T &t, int from) const
{
if (from < 0)
from += d->size;
else if (from >= d->size)
from = d->size-1;
if (from >= 0) {
T* b = p->array;
T* n = p->array + from + 1;
while (n != b) {
if (*--n == t)
return n - b;
}
}
return -1;
}
template <typename T>
bool QVector<T>::contains(const T &t) const
{
T* b = p->array;
T* i = p->array + d->size;
while (i != b)
if (*--i == t)
return true;
return false;
}
template <typename T>
int QVector<T>::count(const T &t) const
{
int c = 0;
T* b = p->array;
T* i = p->array + d->size;
while (i != b)
if (*--i == t)
++c;
return c;
}
template <typename T>
Q_OUTOFLINE_TEMPLATE QVector<T> QVector<T>::mid(int pos, int length) const
{
if (length < 0)
length = size() - pos;
if (pos == 0 && length == size())
return *this;
QVector<T> copy;
if (pos + length > size())
length = size() - pos;
for (int i = pos; i < pos + length; ++i)
copy += at(i);
return copy;
}
template <typename T>
Q_OUTOFLINE_TEMPLATE QList<T> QVector<T>::toList() const
{
QList<T> result;
for (int i = 0; i < size(); ++i)
result.append(at(i));
return result;
}
template <typename T>
Q_OUTOFLINE_TEMPLATE QVector<T> QList<T>::toVector() const
{
QVector<T> result(size());
for (int i = 0; i < size(); ++i)
result[i] = at(i);
return result;
}
template <typename T>
QVector<T> QVector<T>::fromList(const QList<T> &list)
{
return list.toVector();
}
template <typename T>
QList<T> QList<T>::fromVector(const QVector<T> &vector)
{
return vector.toList();
}
Q_DECLARE_SEQUENTIAL_ITERATOR(Vector)
Q_DECLARE_MUTABLE_SEQUENTIAL_ITERATOR(Vector)
/*
### Qt 5:
### This needs to be removed for next releases of Qt. It is a workaround for vc++ because
### Qt exports QPolygon and QPolygonF that inherit QVector<QPoint> and
### QVector<QPointF> respectively.
*/
#ifdef Q_CC_MSVC
QT_BEGIN_INCLUDE_NAMESPACE
#include <QtCore/QPointF>
#include <QtCore/QPoint>
QT_END_INCLUDE_NAMESPACE
#if defined(QT_BUILD_CORE_LIB)
#define Q_TEMPLATE_EXTERN
#else
#define Q_TEMPLATE_EXTERN extern
#endif
# pragma warning(push) /* MSVC 6.0 doesn't care about the disabling in qglobal.h (why?), so do it here */
# pragma warning(disable: 4231) /* nonstandard extension used : 'extern' before template explicit instantiation */
Q_TEMPLATE_EXTERN template class Q_CORE_EXPORT QVector<QPointF>;
Q_TEMPLATE_EXTERN template class Q_CORE_EXPORT QVector<QPoint>;
# pragma warning(pop)
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif // QVECTOR_H
|