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tqtinterface/qtinterface/tqt4/Qt/qlist.h

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/****************************************************************************
**
** 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 QLIST_H
#define QLIST_H
#include <QtCore/qiterator.h>
#include <QtCore/qatomic.h>
#include <QtCore/qalgorithms.h>
#ifndef QT_NO_STL
#include <iterator>
#include <list>
#endif
#include <new>
#include <string.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
template <typename T> class QVector;
template <typename T> class QSet;
struct Q_CORE_EXPORT QListData {
struct Data {
QBasicAtomicInt ref;
int alloc, begin, end;
uint sharable : 1;
void *array[1];
};
enum { DataHeaderSize = sizeof(Data) - sizeof(void *) };
Data *detach(); // remove in 5.0
Data *detach2(); // remove in 5.0
Data *detach3();
void realloc(int alloc);
static Data shared_null;
Data *d;
void **erase(void **xi);
void **append();
void **append(const QListData &l);
void **append2(const QListData &l); // remove in 5.0
void **prepend();
void **insert(int i);
void remove(int i);
void remove(int i, int n);
void move(int from, int to);
inline int size() const { return d->end - d->begin; }
inline bool isEmpty() const { return d->end == d->begin; }
inline void **at(int i) const { return d->array + d->begin + i; }
inline void **begin() const { return d->array + d->begin; }
inline void **end() const { return d->array + d->end; }
};
template <typename T>
class QList
{
struct Node { void *v;
#if defined(Q_CC_BOR)
Q_INLINE_TEMPLATE T &t();
#else
Q_INLINE_TEMPLATE T &t()
{ return *reinterpret_cast<T*>(QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic
? v : this); }
#endif
};
union { QListData p; QListData::Data *d; };
public:
inline QList() : d(&QListData::shared_null) { d->ref.ref(); current_index=0; }
inline QList(const QList<T> &l) : d(l.d) { d->ref.ref(); if (!d->sharable) detach_helper(); current_index=0; }
~QList();
QList<T> &operator=(const QList<T> &l);
bool operator==(const QList<T> &l) const;
inline bool operator!=(const QList<T> &l) const { return !(*this == l); }
operator bool() const;
inline operator const QList<T> *() const { return const_cast<QList<T> *>(this); }
inline operator QList<T> *() const { return const_cast<QList<T> *>(this); }
inline int size() const { return p.size(); }
inline void detach() { if (d->ref != 1) detach_helper(); }
inline void detachShared()
{
// The "this->" qualification is needed for GCCE.
if (d->ref != 1 && this->d != &QListData::shared_null)
detach_helper();
}
inline bool isDetached() const { return d->ref == 1; }
inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; }
inline bool isEmpty() const { return p.isEmpty(); }
void clear();
const T &at(int i) const;
const T &operator[](int i) const;
T &operator[](int i);
void append(const T &t);
void append(const QList<T> &t);
void prepend(const T &t);
void insert(int i, const T &t);
void replace(int i, const T &t);
void removeAt(int i);
int removeAll(const T &t);
bool removeOne(const T &t);
T takeAt(int i);
T takeFirst();
T takeLast();
void move(int from, int to);
void swap(int i, int j);
int indexOf(const T &t, int from = 0) const;
int lastIndexOf(const T &t, int from = -1) const;
QBool contains(const T &t) const;
inline uint containsRef( const T &t ) { return count(t); };
int count(const T &t) const;
inline T next() { current_index++; return *this[current_index]; }
inline T prev() { current_index--; return *this[current_index]; }
class const_iterator;
class iterator {
public:
Node *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(Node *n) : i(n) {}
inline iterator(const iterator &o): i(o.i){}
inline T &operator*() const { return i->t(); }
inline T *operator->() const { return &i->t(); }
inline T &operator[](int j) const { return i[j].t(); }
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; }
#ifndef QT_STRICT_ITERATORS
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; }
#endif
inline iterator &operator++() { ++i; return *this; }
inline iterator operator++(int) { Node *n = i; ++i; return n; }
inline iterator &operator--() { i--; return *this; }
inline iterator operator--(int) { Node *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 int(i - j.i); }
};
friend class iterator;
class const_iterator {
public:
Node *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(Node *n) : i(n) {}
inline const_iterator(const const_iterator &o): i(o.i) {}
#ifdef QT_STRICT_ITERATORS
inline explicit const_iterator(const iterator &o): i(o.i) {}
#else
inline const_iterator(const iterator &o): i(o.i) {}
#endif
inline const T &operator*() const { return i->t(); }
inline const T *operator->() const { return &i->t(); }
inline const T &operator[](int j) const { return i[j].t(); }
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) { Node *n = i; ++i; return n; }
inline const_iterator &operator--() { i--; return *this; }
inline const_iterator operator--(int) { Node *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;
// stl style
inline iterator begin() { detach(); return reinterpret_cast<Node *>(p.begin()); }
inline const_iterator begin() const { return reinterpret_cast<Node *>(p.begin()); }
inline const_iterator constBegin() const { return reinterpret_cast<Node *>(p.begin()); }
inline iterator end() { detach(); return reinterpret_cast<Node *>(p.end()); }
inline const_iterator end() const { return reinterpret_cast<Node *>(p.end()); }
inline const_iterator constEnd() const { return reinterpret_cast<Node *>(p.end()); }
iterator insert(iterator before, const T &t);
iterator erase(iterator pos);
iterator erase(iterator first, iterator last);
// more Qt
typedef iterator Iterator;
typedef const_iterator ConstIterator;
inline int count() const { return p.size(); }
inline int length() const { return p.size(); } // Same as count()
inline T& first() { Q_ASSERT(!isEmpty()); current_index=0; return *begin(); }
inline const T& first() const { Q_ASSERT(!isEmpty()); current_index=0; return *begin(); }
T& last() { Q_ASSERT(!isEmpty()); return *(--end()); }
const T& last() const { Q_ASSERT(!isEmpty()); current_index=count()-1; return *(--end()); }
inline void removeFirst() { Q_ASSERT(!isEmpty()); erase(begin()); }
inline void removeLast() { Q_ASSERT(!isEmpty()); erase(--end()); }
inline bool startsWith(const T &t) const { return !isEmpty() && first() == t; }
inline bool endsWith(const T &t) const { return !isEmpty() && last() == t; }
QList<T> mid(int pos, int length = -1) const;
T value(int i) const;
T value(int i, const T &defaultValue) const;
// stl compatibility
inline void push_back(const T &t) { append(t); }
inline void push_front(const T &t) { prepend(t); }
inline T& front() { return first(); }
inline const T& front() const { return first(); }
inline T& back() { return last(); }
inline const T& back() const { return last(); }
inline void pop_front() { removeFirst(); }
inline void pop_back() { removeLast(); }
inline bool empty() const { return isEmpty(); }
typedef int size_type;
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;
#ifdef QT3_SUPPORT
inline QT3_SUPPORT iterator remove(iterator pos) { return erase(pos); }
inline QT3_SUPPORT int remove(const T &t) { return removeAll(t); }
inline QT3_SUPPORT int findIndex(const T& t) const { return indexOf(t); }
inline QT3_SUPPORT iterator find(const T& t)
{ int i = indexOf(t); return (i == -1 ? end() : (begin()+i)); }
inline QT3_SUPPORT const_iterator find (const T& t) const
{ int i = indexOf(t); return (i == -1 ? end() : (begin()+i)); }
inline QT3_SUPPORT iterator find(iterator from, const T& t)
{ int i = indexOf(t, from - begin()); return i == -1 ? end() : begin()+i; }
inline QT3_SUPPORT const_iterator find(const_iterator from, const T& t) const
{ int i = indexOf(t, from - begin()); return i == -1 ? end() : begin()+i; }
#endif
// comfort
QList<T> &operator+=(const QList<T> &l);
inline QList<T> operator+(const QList<T> &l) const
{ QList n = *this; n += l; return n; }
inline QList<T> &operator+=(const T &t)
{ append(t); return *this; }
inline QList<T> &operator<< (const T &t)
{ append(t); return *this; }
inline QList<T> &operator<<(const QList<T> &l)
{ *this += l; return *this; }
QVector<T> toVector() const;
QSet<T> toSet() const;
static QList<T> fromVector(const QVector<T> &vector);
static QList<T> fromSet(const QSet<T> &set);
#ifndef QT_NO_STL
static inline QList<T> fromStdList(const std::list<T> &list)
{ QList<T> tmp; qCopy(list.begin(), list.end(), std::back_inserter(tmp)); return tmp; }
inline std::list<T> toStdList() const
{ std::list<T> tmp; qCopy(constBegin(), constEnd(), std::back_inserter(tmp)); return tmp; }
#endif
private:
void detach_helper();
void free(QListData::Data *d);
void node_construct(Node *n, const T &t);
void node_destruct(Node *n);
void node_copy(Node *from, Node *to, Node *src);
void node_destruct(Node *from, Node *to);
int current_index;
};
#if defined(Q_CC_BOR)
template <typename T>
Q_INLINE_TEMPLATE T &QList<T>::Node::t()
{ return QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic ? *(T*)v:*(T*)this; }
#endif
template <typename T>
Q_INLINE_TEMPLATE void QList<T>::node_construct(Node *n, const T &t)
{
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) n->v = new T(t);
else if (QTypeInfo<T>::isComplex) new (n) T(t);
else *reinterpret_cast<T*>(n) = t;
}
template <typename T>
Q_INLINE_TEMPLATE void QList<T>::node_destruct(Node *n)
{
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) delete reinterpret_cast<T*>(n->v);
else if (QTypeInfo<T>::isComplex) reinterpret_cast<T*>(n)->~T();
}
template <typename T>
Q_INLINE_TEMPLATE void QList<T>::node_copy(Node *from, Node *to, Node *src)
{
Node *current = from;
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
QT_TRY {
while(current != to) {
current->v = new T(*reinterpret_cast<T*>(src->v));
++current;
++src;
}
} QT_CATCH(...) {
while (current-- != from)
delete reinterpret_cast<T*>(current->v);
QT_RETHROW;
}
} else if (QTypeInfo<T>::isComplex) {
QT_TRY {
while(current != to) {
new (current) T(*reinterpret_cast<T*>(src));
++current;
++src;
}
} QT_CATCH(...) {
while (current-- != from)
(reinterpret_cast<T*>(current))->~T();
QT_RETHROW;
}
} else {
if (src != from && to - from > 0)
memcpy(from, src, (to - from) * sizeof(Node *));
}
}
template <typename T>
Q_INLINE_TEMPLATE void QList<T>::node_destruct(Node *from, Node *to)
{
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic)
while(from != to) --to, delete reinterpret_cast<T*>(to->v);
else if (QTypeInfo<T>::isComplex)
while (from != to) --to, reinterpret_cast<T*>(to)->~T();
}
template <typename T>
Q_INLINE_TEMPLATE QList<T> &QList<T>::operator=(const QList<T> &l)
{
if (d != l.d) {
l.d->ref.ref();
if (!d->ref.deref())
free(d);
d = l.d;
if (!d->sharable)
detach_helper();
}
return *this;
}
template <typename T>
inline typename QList<T>::iterator QList<T>::insert(iterator before, const T &t)
{
int iBefore = int(before.i - reinterpret_cast<Node *>(p.begin()));
Node *n = reinterpret_cast<Node *>(p.insert(iBefore));
QT_TRY {
node_construct(n, t);
} QT_CATCH(...) {
p.remove(iBefore);
QT_RETHROW;
}
return n;
}
template <typename T>
inline typename QList<T>::iterator QList<T>::erase(iterator it)
{ node_destruct(it.i);
return reinterpret_cast<Node *>(p.erase(reinterpret_cast<void**>(it.i))); }
template <typename T>
inline const T &QList<T>::at(int i) const
{ Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::at", "index out of range");
return reinterpret_cast<Node *>(p.at(i))->t(); }
template <typename T>
inline const T &QList<T>::operator[](int i) const
{ Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::operator[]", "index out of range");
return reinterpret_cast<Node *>(p.at(i))->t(); }
template <typename T>
inline T &QList<T>::operator[](int i)
{ Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::operator[]", "index out of range");
detach(); return reinterpret_cast<Node *>(p.at(i))->t(); }
template <typename T>
inline void QList<T>::removeAt(int i)
{ if(i >= 0 && i < p.size()) { detach();
node_destruct(reinterpret_cast<Node *>(p.at(i))); p.remove(i); } }
template <typename T>
inline T QList<T>::takeAt(int i)
{ Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::take", "index out of range");
detach(); Node *n = reinterpret_cast<Node *>(p.at(i)); T t = n->t(); node_destruct(n);
p.remove(i); return t; }
template <typename T>
inline T QList<T>::takeFirst()
{ T t = first(); removeFirst(); return t; }
template <typename T>
inline T QList<T>::takeLast()
{ T t = last(); removeLast(); return t; }
template <typename T>
Q_OUTOFLINE_TEMPLATE void QList<T>::append(const T &t)
{
detach();
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
Node *n = reinterpret_cast<Node *>(p.append());
QT_TRY {
node_construct(n, t);
} QT_CATCH(...) {
--d->end;
QT_RETHROW;
}
} else {
const T cpy(t);
Node *n = reinterpret_cast<Node *>(p.append());
QT_TRY {
node_construct(n, cpy);
} QT_CATCH(...) {
--d->end;
QT_RETHROW;
}
}
}
template <typename T>
inline void QList<T>::prepend(const T &t)
{
detach();
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
Node *n = reinterpret_cast<Node *>(p.prepend());
QT_TRY {
node_construct(n, t);
} QT_CATCH(...) {
++d->begin;
QT_RETHROW;
}
} else {
const T cpy(t);
Node *n = reinterpret_cast<Node *>(p.prepend());
QT_TRY {
node_construct(n, cpy);
} QT_CATCH(...) {
++d->begin;
QT_RETHROW;
}
}
}
template <typename T>
inline void QList<T>::insert(int i, const T &t)
{
detach();
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
Node *n = reinterpret_cast<Node *>(p.insert(i));
QT_TRY {
node_construct(n, t);
} QT_CATCH(...) {
p.remove(i);
QT_RETHROW;
}
} else {
const T cpy(t);
Node *n = reinterpret_cast<Node *>(p.insert(i));
QT_TRY {
node_construct(n, cpy);
} QT_CATCH(...) {
p.remove(i);
QT_RETHROW;
}
}
}
template <typename T>
inline void QList<T>::replace(int i, const T &t)
{
Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::replace", "index out of range");
detach();
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
reinterpret_cast<Node *>(p.at(i))->t() = t;
} else {
const T cpy(t);
reinterpret_cast<Node *>(p.at(i))->t() = cpy;
}
}
template <typename T>
inline void QList<T>::swap(int i, int j)
{
Q_ASSERT_X(i >= 0 && i < p.size() && j >= 0 && j < p.size(),
"QList<T>::swap", "index out of range");
detach();
void *t = d->array[d->begin + i];
d->array[d->begin + i] = d->array[d->begin + j];
d->array[d->begin + j] = t;
}
template <typename T>
inline void QList<T>::move(int from, int to)
{
Q_ASSERT_X(from >= 0 && from < p.size() && to >= 0 && to < p.size(),
"QList<T>::move", "index out of range");
detach();
p.move(from, to);
}
template<typename T>
Q_OUTOFLINE_TEMPLATE QList<T> QList<T>::mid(int pos, int alength) const
{
if (alength < 0)
alength = size() - pos;
if (pos == 0 && alength == size())
return *this;
QList<T> cpy;
if (pos + alength > size())
alength = size() - pos;
for (int i = pos; i < pos + alength; ++i)
cpy += at(i);
return cpy;
}
template<typename T>
Q_OUTOFLINE_TEMPLATE T QList<T>::value(int i) const
{
if (i < 0 || i >= p.size()) {
return T();
}
return reinterpret_cast<Node *>(p.at(i))->t();
}
template<typename T>
Q_OUTOFLINE_TEMPLATE T QList<T>::value(int i, const T& defaultValue) const
{
return ((i < 0 || i >= p.size()) ? defaultValue : reinterpret_cast<Node *>(p.at(i))->t());
}
template <typename T>
Q_OUTOFLINE_TEMPLATE void QList<T>::detach_helper()
{
Node *n = reinterpret_cast<Node *>(p.begin());
QListData::Data *x = p.detach3();
QT_TRY {
node_copy(reinterpret_cast<Node *>(p.begin()), reinterpret_cast<Node *>(p.end()), n);
} QT_CATCH(...) {
qFree(d);
d = x;
QT_RETHROW;
}
if (!x->ref.deref())
free(x);
}
template <typename T>
Q_OUTOFLINE_TEMPLATE QList<T>::~QList()
{
if (d && !d->ref.deref())
free(d);
}
template <typename T>
Q_OUTOFLINE_TEMPLATE bool QList<T>::operator==(const QList<T> &l) const
{
if (p.size() != l.p.size())
return false;
if (d == l.d)
return true;
Node *i = reinterpret_cast<Node *>(p.end());
Node *b = reinterpret_cast<Node *>(p.begin());
Node *li = reinterpret_cast<Node *>(l.p.end());
while (i != b) {
--i; --li;
if (!(i->t() == li->t()))
return false;
}
return true;
}
// ### Qt 5: rename freeData() to avoid confusion with std::free()
template <typename T>
Q_OUTOFLINE_TEMPLATE void QList<T>::free(QListData::Data *data)
{
node_destruct(reinterpret_cast<Node *>(data->array + data->begin),
reinterpret_cast<Node *>(data->array + data->end));
if (data->ref == 0)
qFree(data);
}
template <typename T>
Q_OUTOFLINE_TEMPLATE void QList<T>::clear()
{
*this = QList<T>();
}
template <typename T>
Q_OUTOFLINE_TEMPLATE int QList<T>::removeAll(const T &_t)
{
detachShared();
const T t = _t;
int removedCount=0, i=0;
Node *n;
while (i < p.size())
if ((n = reinterpret_cast<Node *>(p.at(i)))->t() == t) {
node_destruct(n);
p.remove(i);
++removedCount;
} else {
++i;
}
return removedCount;
}
template <typename T>
Q_OUTOFLINE_TEMPLATE bool QList<T>::removeOne(const T &_t)
{
detachShared();
int index = indexOf(_t);
if (index != -1) {
removeAt(index);
return true;
}
return false;
}
template <typename T>
Q_OUTOFLINE_TEMPLATE typename QList<T>::iterator QList<T>::erase(typename QList<T>::iterator afirst,
typename QList<T>::iterator alast)
{
for (Node *n = afirst.i; n < alast.i; ++n)
node_destruct(n);
int idx = afirst - begin();
p.remove(idx, alast - afirst);
return begin() + idx;
}
template <typename T>
Q_OUTOFLINE_TEMPLATE QList<T> &QList<T>::operator+=(const QList<T> &l)
{
detach();
Node *n = reinterpret_cast<Node *>(p.append2(l.p));
QT_TRY{
node_copy(n, reinterpret_cast<Node *>(p.end()), reinterpret_cast<Node *>(l.p.begin()));
} QT_CATCH(...) {
// restore the old end
d->end -= int(reinterpret_cast<Node *>(p.end()) - n);
QT_RETHROW;
}
return *this;
}
template <typename T>
inline void QList<T>::append(const QList<T> &t)
{
*this += t;
}
template <typename T>
Q_OUTOFLINE_TEMPLATE int QList<T>::indexOf(const T &t, int from) const
{
if (from < 0)
from = qMax(from + p.size(), 0);
if (from < p.size()) {
Node *n = reinterpret_cast<Node *>(p.at(from -1));
Node *e = reinterpret_cast<Node *>(p.end());
while (++n != e)
if (n->t() == t)
return int(n - reinterpret_cast<Node *>(p.begin()));
}
return -1;
}
template <typename T>
Q_OUTOFLINE_TEMPLATE int QList<T>::lastIndexOf(const T &t, int from) const
{
if (from < 0)
from += p.size();
else if (from >= p.size())
from = p.size()-1;
if (from >= 0) {
Node *b = reinterpret_cast<Node *>(p.begin());
Node *n = reinterpret_cast<Node *>(p.at(from + 1));
while (n-- != b) {
if (n->t() == t)
return n - b;
}
}
return -1;
}
template <typename T>
Q_OUTOFLINE_TEMPLATE QBool QList<T>::contains(const T &t) const
{
Node *b = reinterpret_cast<Node *>(p.begin());
Node *i = reinterpret_cast<Node *>(p.end());
while (i-- != b)
if (i->t() == t)
return QBool(true);
return QBool(false);
}
template <typename T>
Q_OUTOFLINE_TEMPLATE int QList<T>::count(const T &t) const
{
int c = 0;
Node *b = reinterpret_cast<Node *>(p.begin());
Node *i = reinterpret_cast<Node *>(p.end());
while (i-- != b)
if (i->t() == t)
++c;
return c;
}
Q_DECLARE_SEQUENTIAL_ITERATOR(List)
Q_DECLARE_MUTABLE_SEQUENTIAL_ITERATOR(List)
QT_END_NAMESPACE
QT_END_HEADER
#endif // QLIST_H