--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/tools/qmap.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,1055 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMAP_H
+#define QMAP_H
+
+#include <QtCore/qatomic.h>
+#include <QtCore/qiterator.h>
+#include <QtCore/qlist.h>
+
+#ifndef QT_NO_STL
+#include <map>
+#endif
+
+#include <new>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+struct Q_CORE_EXPORT QMapData
+{
+ struct Node {
+ Node *backward;
+ Node *forward[1];
+ };
+ enum { LastLevel = 11, Sparseness = 3 };
+
+ QMapData *backward;
+ QMapData *forward[QMapData::LastLevel + 1];
+ QBasicAtomicInt ref;
+ int topLevel;
+ int size;
+ uint randomBits;
+ uint insertInOrder : 1;
+ uint sharable : 1;
+
+ static QMapData *createData();
+ void continueFreeData(int offset);
+ Node *node_create(Node *update[], int offset);
+ void node_delete(Node *update[], int offset, Node *node);
+#ifdef QT_QMAP_DEBUG
+ uint adjust_ptr(Node *node);
+ void dump();
+#endif
+
+ static QMapData shared_null;
+};
+
+
+/*
+ QMap uses qMapLessThanKey() to compare keys. The default
+ implementation uses operator<(). For pointer types,
+ qMapLessThanKey() casts the pointers to integers before it
+ compares them, because operator<() is undefined on pointers
+ that come from different memory blocks. (In practice, this
+ is only a problem when running a program such as
+ BoundsChecker.)
+*/
+
+template <class Key> inline bool qMapLessThanKey(const Key &key1, const Key &key2)
+{
+ return key1 < key2;
+}
+
+#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+template <class Ptr> inline bool qMapLessThanKey(Ptr *key1, Ptr *key2)
+{
+ Q_ASSERT(sizeof(quintptr) == sizeof(Ptr *));
+ return quintptr(key1) < quintptr(key2);
+}
+
+template <class Ptr> inline bool qMapLessThanKey(const Ptr *key1, const Ptr *key2)
+{
+ Q_ASSERT(sizeof(quintptr) == sizeof(const Ptr *));
+ return quintptr(key1) < quintptr(key2);
+}
+#endif // QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+
+template <class Key, class T>
+struct QMapNode {
+ Key key;
+ T value;
+ QMapData::Node *backward;
+ QMapData::Node *forward[1];
+};
+
+template <class Key, class T>
+struct QMapPayloadNode
+{
+ Key key;
+ T value;
+ QMapData::Node *backward;
+};
+
+template <class Key, class T>
+class QMap
+{
+ typedef QMapNode<Key, T> Node;
+ typedef QMapPayloadNode<Key, T> PayloadNode;
+
+ union {
+ QMapData *d;
+ QMapData::Node *e;
+ };
+
+ static inline int payload() { return sizeof(PayloadNode) - sizeof(QMapData::Node *); }
+ static inline Node *concrete(QMapData::Node *node) {
+ return reinterpret_cast<Node *>(reinterpret_cast<char *>(node) - payload());
+ }
+
+public:
+ inline QMap() : d(&QMapData::shared_null) { d->ref.ref(); }
+ inline QMap(const QMap<Key, T> &other) : d(other.d)
+ { d->ref.ref(); if (!d->sharable) detach(); }
+ inline ~QMap() { if (!d) return; if (!d->ref.deref()) freeData(d); }
+
+ QMap<Key, T> &operator=(const QMap<Key, T> &other);
+#ifndef QT_NO_STL
+ explicit QMap(const typename std::map<Key, T> &other);
+ std::map<Key, T> toStdMap() const;
+#endif
+
+ bool operator==(const QMap<Key, T> &other) const;
+ inline bool operator!=(const QMap<Key, T> &other) const { return !(*this == other); }
+
+ inline int size() const { return d->size; }
+
+ inline bool isEmpty() const { return d->size == 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 void setInsertInOrder(bool ordered) { d->insertInOrder = ordered; }
+
+ void clear();
+
+ int remove(const Key &key);
+ T take(const Key &key);
+
+ bool contains(const Key &key) const;
+ const Key key(const T &value) const;
+ const Key key(const T &value, const Key &defaultKey) const;
+ const T value(const Key &key) const;
+ const T value(const Key &key, const T &defaultValue) const;
+ T &operator[](const Key &key);
+ const T operator[](const Key &key) const;
+
+ QList<Key> uniqueKeys() const;
+ QList<Key> keys() const;
+ QList<Key> keys(const T &value) const;
+ QList<T> values() const;
+ QList<T> values(const Key &key) const;
+ int count(const Key &key) const;
+
+ class const_iterator;
+
+ class iterator
+ {
+ friend class const_iterator;
+ QMapData::Node *i;
+
+ public:
+ typedef std::bidirectional_iterator_tag iterator_category;
+ typedef ptrdiff_t difference_type;
+ typedef T value_type;
+ typedef T *pointer;
+ typedef T &reference;
+
+ // ### Qt 5: get rid of 'operator Node *'
+ inline operator QMapData::Node *() const { return i; }
+ inline iterator() : i(0) { }
+ inline iterator(QMapData::Node *node) : i(node) { }
+
+ inline const Key &key() const { return concrete(i)->key; }
+ inline T &value() const { return concrete(i)->value; }
+#ifdef QT3_SUPPORT
+ inline QT3_SUPPORT T &data() const { return concrete(i)->value; }
+#endif
+ inline T &operator*() const { return concrete(i)->value; }
+ inline T *operator->() const { return &concrete(i)->value; }
+ inline bool operator==(const iterator &o) const { return i == o.i; }
+ inline bool operator!=(const iterator &o) const { return i != o.i; }
+
+ inline iterator &operator++() {
+ i = i->forward[0];
+ return *this;
+ }
+ inline iterator operator++(int) {
+ iterator r = *this;
+ i = i->forward[0];
+ return r;
+ }
+ inline iterator &operator--() {
+ i = i->backward;
+ return *this;
+ }
+ inline iterator operator--(int) {
+ iterator r = *this;
+ i = i->backward;
+ return r;
+ }
+ inline iterator operator+(int j) const
+ { iterator r = *this; if (j > 0) while (j--) ++r; else while (j++) --r; return r; }
+ inline iterator operator-(int j) const { return operator+(-j); }
+ inline iterator &operator+=(int j) { return *this = *this + j; }
+ inline iterator &operator-=(int j) { return *this = *this - j; }
+
+ // ### Qt 5: not sure this is necessary anymore
+#ifdef QT_STRICT_ITERATORS
+ private:
+#else
+ public:
+#endif
+ inline bool operator==(const const_iterator &o) const
+ { return i == o.i; }
+ inline bool operator!=(const const_iterator &o) const
+ { return i != o.i; }
+
+ private:
+ // ### Qt 5: remove
+ inline operator bool() const { return false; }
+ };
+ friend class iterator;
+
+ class const_iterator
+ {
+ friend class iterator;
+ QMapData::Node *i;
+
+ public:
+ typedef std::bidirectional_iterator_tag iterator_category;
+ typedef ptrdiff_t difference_type;
+ typedef T value_type;
+ typedef const T *pointer;
+ typedef const T &reference;
+
+ // ### Qt 5: get rid of 'operator Node *'
+ inline operator QMapData::Node *() const { return i; }
+ inline const_iterator() : i(0) { }
+ inline const_iterator(QMapData::Node *node) : i(node) { }
+#ifdef QT_STRICT_ITERATORS
+ explicit inline const_iterator(const iterator &o)
+#else
+ inline const_iterator(const iterator &o)
+#endif
+ { i = o.i; }
+
+ inline const Key &key() const { return concrete(i)->key; }
+ inline const T &value() const { return concrete(i)->value; }
+#ifdef QT3_SUPPORT
+ inline QT3_SUPPORT const T &data() const { return concrete(i)->value; }
+#endif
+ inline const T &operator*() const { return concrete(i)->value; }
+ inline const T *operator->() const { return &concrete(i)->value; }
+ 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 const_iterator &operator++() {
+ i = i->forward[0];
+ return *this;
+ }
+ inline const_iterator operator++(int) {
+ const_iterator r = *this;
+ i = i->forward[0];
+ return r;
+ }
+ inline const_iterator &operator--() {
+ i = i->backward;
+ return *this;
+ }
+ inline const_iterator operator--(int) {
+ const_iterator r = *this;
+ i = i->backward;
+ return r;
+ }
+ inline const_iterator operator+(int j) const
+ { const_iterator r = *this; if (j > 0) while (j--) ++r; else while (j++) --r; return r; }
+ inline const_iterator operator-(int j) const { return operator+(-j); }
+ inline const_iterator &operator+=(int j) { return *this = *this + j; }
+ inline const_iterator &operator-=(int j) { return *this = *this - j; }
+
+ // ### Qt 5: not sure this is necessary anymore
+#ifdef QT_STRICT_ITERATORS
+ private:
+ inline bool operator==(const iterator &o) { return operator==(const_iterator(o)); }
+ inline bool operator!=(const iterator &o) { return operator!=(const_iterator(o)); }
+#endif
+
+ private:
+ // ### Qt 5: remove
+ inline operator bool() const { return false; }
+ };
+ friend class const_iterator;
+
+ // STL style
+ inline iterator begin() { detach(); return iterator(e->forward[0]); }
+ inline const_iterator begin() const { return const_iterator(e->forward[0]); }
+ inline const_iterator constBegin() const { return const_iterator(e->forward[0]); }
+ inline iterator end() {
+ detach();
+ return iterator(e);
+ }
+ inline const_iterator end() const { return const_iterator(e); }
+ inline const_iterator constEnd() const { return const_iterator(e); }
+ iterator erase(iterator it);
+#ifdef QT3_SUPPORT
+ inline QT3_SUPPORT iterator remove(iterator it) { return erase(it); }
+ inline QT3_SUPPORT void erase(const Key &aKey) { remove(aKey); }
+#endif
+
+ // more Qt
+ typedef iterator Iterator;
+ typedef const_iterator ConstIterator;
+ inline int count() const { return d->size; }
+ iterator find(const Key &key);
+ const_iterator find(const Key &key) const;
+ const_iterator constFind(const Key &key) const;
+ iterator lowerBound(const Key &key);
+ const_iterator lowerBound(const Key &key) const;
+ iterator upperBound(const Key &key);
+ const_iterator upperBound(const Key &key) const;
+ iterator insert(const Key &key, const T &value);
+#ifdef QT3_SUPPORT
+ QT3_SUPPORT iterator insert(const Key &key, const T &value, bool overwrite);
+#endif
+ iterator insertMulti(const Key &key, const T &value);
+#ifdef QT3_SUPPORT
+ inline QT3_SUPPORT iterator replace(const Key &aKey, const T &aValue) { return insert(aKey, aValue); }
+#endif
+ QMap<Key, T> &unite(const QMap<Key, T> &other);
+
+ // STL compatibility
+ typedef Key key_type;
+ typedef T mapped_type;
+ typedef ptrdiff_t difference_type;
+ typedef int size_type;
+ inline bool empty() const { return isEmpty(); }
+
+#ifdef QT_QMAP_DEBUG
+ inline void dump() const { d->dump(); }
+#endif
+
+private:
+ void detach_helper();
+ void freeData(QMapData *d);
+ QMapData::Node *findNode(const Key &key) const;
+ QMapData::Node *mutableFindNode(QMapData::Node *update[], const Key &key) const;
+ QMapData::Node *node_create(QMapData *d, QMapData::Node *update[], const Key &key,
+ const T &value);
+};
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE QMap<Key, T> &QMap<Key, T>::operator=(const QMap<Key, T> &other)
+{
+ if (d != other.d) {
+ other.d->ref.ref();
+ if (!d->ref.deref())
+ freeData(d);
+ d = other.d;
+ if (!d->sharable)
+ detach_helper();
+ }
+ return *this;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE void QMap<Key, T>::clear()
+{
+ *this = QMap<Key, T>();
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMapData::Node *
+QMap<Key, T>::node_create(QMapData *adt, QMapData::Node *aupdate[], const Key &akey, const T &avalue)
+{
+ QMapData::Node *abstractNode = adt->node_create(aupdate, payload());
+ QT_TRY {
+ Node *concreteNode = concrete(abstractNode);
+ new (&concreteNode->key) Key(akey);
+ QT_TRY {
+ new (&concreteNode->value) T(avalue);
+ } QT_CATCH(...) {
+ concreteNode->key.~Key();
+ QT_RETHROW;
+ }
+ } QT_CATCH(...) {
+ adt->node_delete(aupdate, payload(), abstractNode);
+ QT_RETHROW;
+ }
+
+ // clean up the update array for further insertions
+ /*
+ for (int i = 0; i <= d->topLevel; ++i) {
+ if ( aupdate[i]==reinterpret_cast<QMapData::Node *>(adt) || aupdate[i]->forward[i] != abstractNode)
+ break;
+ aupdate[i] = abstractNode;
+ }
+*/
+
+ return abstractNode;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE QMapData::Node *QMap<Key, T>::findNode(const Key &akey) const
+{
+ QMapData::Node *cur = e;
+ QMapData::Node *next = e;
+
+ for (int i = d->topLevel; i >= 0; i--) {
+ while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, akey))
+ cur = next;
+ }
+
+ if (next != e && !qMapLessThanKey<Key>(akey, concrete(next)->key)) {
+ return next;
+ } else {
+ return e;
+ }
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE const T QMap<Key, T>::value(const Key &akey) const
+{
+ QMapData::Node *node;
+ if (d->size == 0 || (node = findNode(akey)) == e) {
+ return T();
+ } else {
+ return concrete(node)->value;
+ }
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE const T QMap<Key, T>::value(const Key &akey, const T &adefaultValue) const
+{
+ QMapData::Node *node;
+ if (d->size == 0 || (node = findNode(akey)) == e) {
+ return adefaultValue;
+ } else {
+ return concrete(node)->value;
+ }
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE const T QMap<Key, T>::operator[](const Key &akey) const
+{
+ return value(akey);
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE T &QMap<Key, T>::operator[](const Key &akey)
+{
+ detach();
+
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ QMapData::Node *node = mutableFindNode(update, akey);
+ if (node == e)
+ node = node_create(d, update, akey, T());
+ return concrete(node)->value;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE int QMap<Key, T>::count(const Key &akey) const
+{
+ int cnt = 0;
+ QMapData::Node *node = findNode(akey);
+ if (node != e) {
+ do {
+ ++cnt;
+ node = node->forward[0];
+ } while (node != e && !qMapLessThanKey<Key>(akey, concrete(node)->key));
+ }
+ return cnt;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE bool QMap<Key, T>::contains(const Key &akey) const
+{
+ return findNode(akey) != e;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::insert(const Key &akey,
+ const T &avalue)
+{
+ detach();
+
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ QMapData::Node *node = mutableFindNode(update, akey);
+ if (node == e) {
+ node = node_create(d, update, akey, avalue);
+ } else {
+ concrete(node)->value = avalue;
+ }
+ return iterator(node);
+}
+
+#ifdef QT3_SUPPORT
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::insert(const Key &akey,
+ const T &avalue,
+ bool aoverwrite)
+{
+ detach();
+
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ QMapData::Node *node = mutableFindNode(update, akey);
+ if (node == e) {
+ node = node_create(d, update, akey, avalue);
+ } else {
+ if (aoverwrite)
+ concrete(node)->value = avalue;
+ }
+ return iterator(node);
+}
+#endif
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::insertMulti(const Key &akey,
+ const T &avalue)
+{
+ detach();
+
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ mutableFindNode(update, akey);
+ return iterator(node_create(d, update, akey, avalue));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::const_iterator QMap<Key, T>::find(const Key &akey) const
+{
+ return const_iterator(findNode(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::const_iterator QMap<Key, T>::constFind(const Key &akey) const
+{
+ return const_iterator(findNode(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::find(const Key &akey)
+{
+ detach();
+ return iterator(findNode(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE QMap<Key, T> &QMap<Key, T>::unite(const QMap<Key, T> &other)
+{
+ QMap<Key, T> copy(other);
+ const_iterator it = copy.constEnd();
+ const const_iterator b = copy.constBegin();
+ while (it != b) {
+ --it;
+ insertMulti(it.key(), it.value());
+ }
+ return *this;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE void QMap<Key, T>::freeData(QMapData *x)
+{
+ if (QTypeInfo<Key>::isComplex || QTypeInfo<T>::isComplex) {
+ QMapData *cur = x;
+ QMapData *next = cur->forward[0];
+ while (next != x) {
+ cur = next;
+ next = cur->forward[0];
+#if defined(_MSC_VER) && (_MSC_VER >= 1300)
+#pragma warning(disable:4189)
+#endif
+ Node *concreteNode = concrete(reinterpret_cast<QMapData::Node *>(cur));
+ concreteNode->key.~Key();
+ concreteNode->value.~T();
+#if defined(_MSC_VER) && (_MSC_VER >= 1300)
+#pragma warning(default:4189)
+#endif
+ }
+ }
+ x->continueFreeData(payload());
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE int QMap<Key, T>::remove(const Key &akey)
+{
+ detach();
+
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ QMapData::Node *cur = e;
+ QMapData::Node *next = e;
+ int oldSize = d->size;
+
+ for (int i = d->topLevel; i >= 0; i--) {
+ while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, akey))
+ cur = next;
+ update[i] = cur;
+ }
+
+ if (next != e && !qMapLessThanKey<Key>(akey, concrete(next)->key)) {
+ bool deleteNext = true;
+ do {
+ cur = next;
+ next = cur->forward[0];
+ deleteNext = (next != e && !qMapLessThanKey<Key>(concrete(cur)->key, concrete(next)->key));
+ concrete(cur)->key.~Key();
+ concrete(cur)->value.~T();
+ d->node_delete(update, payload(), cur);
+ } while (deleteNext);
+ }
+ return oldSize - d->size;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE T QMap<Key, T>::take(const Key &akey)
+{
+ detach();
+
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ QMapData::Node *cur = e;
+ QMapData::Node *next = e;
+
+ for (int i = d->topLevel; i >= 0; i--) {
+ while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, akey))
+ cur = next;
+ update[i] = cur;
+ }
+
+ if (next != e && !qMapLessThanKey<Key>(akey, concrete(next)->key)) {
+ T t = concrete(next)->value;
+ concrete(next)->key.~Key();
+ concrete(next)->value.~T();
+ d->node_delete(update, payload(), next);
+ return t;
+ }
+ return T();
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::erase(iterator it)
+{
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ QMapData::Node *cur = e;
+ QMapData::Node *next = e;
+
+ if (it == iterator(e))
+ return it;
+
+ for (int i = d->topLevel; i >= 0; i--) {
+ while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, it.key()))
+ cur = next;
+ update[i] = cur;
+ }
+
+ while (next != e) {
+ cur = next;
+ next = cur->forward[0];
+ if (cur == it) {
+ concrete(cur)->key.~Key();
+ concrete(cur)->value.~T();
+ d->node_delete(update, payload(), cur);
+ return iterator(next);
+ }
+
+ for (int i = 0; i <= d->topLevel; ++i) {
+ if (update[i]->forward[i] != cur)
+ break;
+ update[i] = cur;
+ }
+ }
+ return end();
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE void QMap<Key, T>::detach_helper()
+{
+ union { QMapData *d; QMapData::Node *e; } x;
+ x.d = QMapData::createData();
+ if (d->size) {
+ x.d->insertInOrder = true;
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ QMapData::Node *cur = e->forward[0];
+ update[0] = x.e;
+ while (cur != e) {
+ QT_TRY {
+ Node *concreteNode = concrete(cur);
+ node_create(x.d, update, concreteNode->key, concreteNode->value);
+ } QT_CATCH(...) {
+ freeData(x.d);
+ QT_RETHROW;
+ }
+ cur = cur->forward[0];
+ }
+ x.d->insertInOrder = false;
+ }
+ if (!d->ref.deref())
+ freeData(d);
+ d = x.d;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QMapData::Node *QMap<Key, T>::mutableFindNode(QMapData::Node *aupdate[],
+ const Key &akey) const
+{
+ QMapData::Node *cur = e;
+ QMapData::Node *next = e;
+
+ for (int i = d->topLevel; i >= 0; i--) {
+ while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, akey))
+ cur = next;
+ aupdate[i] = cur;
+ }
+ if (next != e && !qMapLessThanKey<Key>(akey, concrete(next)->key)) {
+ return next;
+ } else {
+ return e;
+ }
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<Key> QMap<Key, T>::uniqueKeys() const
+{
+ QList<Key> res;
+ const_iterator i = begin();
+ if (i != end()) {
+ for (;;) {
+ const Key &aKey = i.key();
+ res.append(aKey);
+ do {
+ if (++i == end())
+ goto break_out_of_outer_loop;
+ } while (!(aKey < i.key())); // loop while (key == i.key())
+ }
+ }
+break_out_of_outer_loop:
+ return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<Key> QMap<Key, T>::keys() const
+{
+ QList<Key> res;
+ const_iterator i = begin();
+ while (i != end()) {
+ res.append(i.key());
+ ++i;
+ }
+ return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<Key> QMap<Key, T>::keys(const T &avalue) const
+{
+ QList<Key> res;
+ const_iterator i = begin();
+ while (i != end()) {
+ if (i.value() == avalue)
+ res.append(i.key());
+ ++i;
+ }
+ return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE const Key QMap<Key, T>::key(const T &avalue) const
+{
+ return key(avalue, Key());
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE const Key QMap<Key, T>::key(const T &avalue, const Key &defaultKey) const
+{
+ const_iterator i = begin();
+ while (i != end()) {
+ if (i.value() == avalue)
+ return i.key();
+ ++i;
+ }
+
+ return defaultKey;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<T> QMap<Key, T>::values() const
+{
+ QList<T> res;
+ const_iterator i = begin();
+ while (i != end()) {
+ res.append(i.value());
+ ++i;
+ }
+ return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<T> QMap<Key, T>::values(const Key &akey) const
+{
+ QList<T> res;
+ QMapData::Node *node = findNode(akey);
+ if (node != e) {
+ do {
+ res.append(concrete(node)->value);
+ node = node->forward[0];
+ } while (node != e && !qMapLessThanKey<Key>(akey, concrete(node)->key));
+ }
+ return res;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::const_iterator
+QMap<Key, T>::lowerBound(const Key &akey) const
+{
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ mutableFindNode(update, akey);
+ return const_iterator(update[0]->forward[0]);
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::lowerBound(const Key &akey)
+{
+ detach();
+ return static_cast<QMapData::Node *>(const_cast<const QMap *>(this)->lowerBound(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::const_iterator
+QMap<Key, T>::upperBound(const Key &akey) const
+{
+ QMapData::Node *update[QMapData::LastLevel + 1];
+ mutableFindNode(update, akey);
+ QMapData::Node *node = update[0]->forward[0];
+ while (node != e && !qMapLessThanKey<Key>(akey, concrete(node)->key))
+ node = node->forward[0];
+ return const_iterator(node);
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::upperBound(const Key &akey)
+{
+ detach();
+ return static_cast<QMapData::Node *>(const_cast<const QMap *>(this)->upperBound(akey));
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE bool QMap<Key, T>::operator==(const QMap<Key, T> &other) const
+{
+ if (size() != other.size())
+ return false;
+ if (d == other.d)
+ return true;
+
+ const_iterator it1 = begin();
+ const_iterator it2 = other.begin();
+
+ while (it1 != end()) {
+ if (!(it1.value() == it2.value()) || qMapLessThanKey(it1.key(), it2.key()) || qMapLessThanKey(it2.key(), it1.key()))
+ return false;
+ ++it2;
+ ++it1;
+ }
+ return true;
+}
+
+#ifndef QT_NO_STL
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QMap<Key, T>::QMap(const std::map<Key, T> &other)
+{
+ d = QMapData::createData();
+ d->insertInOrder = true;
+ typename std::map<Key,T>::const_iterator it = other.end();
+ while (it != other.begin()) {
+ --it;
+ insert((*it).first, (*it).second);
+ }
+ d->insertInOrder = false;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE std::map<Key, T> QMap<Key, T>::toStdMap() const
+{
+ std::map<Key, T> map;
+ const_iterator it = end();
+ while (it != begin()) {
+ --it;
+ map.insert(std::pair<Key, T>(it.key(), it.value()));
+ }
+ return map;
+}
+
+#endif // QT_NO_STL
+
+template <class Key, class T>
+class QMultiMap : public QMap<Key, T>
+{
+public:
+ QMultiMap() {}
+ QMultiMap(const QMap<Key, T> &other) : QMap<Key, T>(other) {}
+
+ inline typename QMap<Key, T>::iterator replace(const Key &key, const T &value)
+ { return QMap<Key, T>::insert(key, value); }
+ inline typename QMap<Key, T>::iterator insert(const Key &key, const T &value)
+ { return QMap<Key, T>::insertMulti(key, value); }
+
+ inline QMultiMap &operator+=(const QMultiMap &other)
+ { unite(other); return *this; }
+ inline QMultiMap operator+(const QMultiMap &other) const
+ { QMultiMap result = *this; result += other; return result; }
+
+#if !defined(Q_NO_USING_KEYWORD) && !defined(Q_CC_RVCT)
+ // RVCT compiler doesn't handle using-keyword right when used functions are overloaded in child class
+ using QMap<Key, T>::contains;
+ using QMap<Key, T>::remove;
+ using QMap<Key, T>::count;
+ using QMap<Key, T>::find;
+ using QMap<Key, T>::constFind;
+#else
+ inline bool contains(const Key &key) const
+ { return QMap<Key, T>::contains(key); }
+ inline int remove(const Key &key)
+ { return QMap<Key, T>::remove(key); }
+ inline int count(const Key &key) const
+ { return QMap<Key, T>::count(key); }
+ inline int count() const
+ { return QMap<Key, T>::count(); }
+ inline typename QMap<Key, T>::iterator find(const Key &key)
+ { return QMap<Key, T>::find(key); }
+ inline typename QMap<Key, T>::const_iterator find(const Key &key) const
+ { return QMap<Key, T>::find(key); }
+ inline typename QMap<Key, T>::const_iterator constFind(const Key &key) const
+ { return QMap<Key, T>::constFind(key); }
+#endif
+
+ bool contains(const Key &key, const T &value) const;
+
+ int remove(const Key &key, const T &value);
+
+ int count(const Key &key, const T &value) const;
+
+ typename QMap<Key, T>::iterator find(const Key &key, const T &value) {
+ typename QMap<Key, T>::iterator i(find(key));
+ typename QMap<Key, T>::iterator end(this->end());
+ while (i != end && !qMapLessThanKey<Key>(key, i.key())) {
+ if (i.value() == value)
+ return i;
+ ++i;
+ }
+ return end;
+ }
+ typename QMap<Key, T>::const_iterator find(const Key &key, const T &value) const {
+ typename QMap<Key, T>::const_iterator i(constFind(key));
+ typename QMap<Key, T>::const_iterator end(QMap<Key, T>::constEnd());
+ while (i != end && !qMapLessThanKey<Key>(key, i.key())) {
+ if (i.value() == value)
+ return i;
+ ++i;
+ }
+ return end;
+ }
+ typename QMap<Key, T>::const_iterator constFind(const Key &key, const T &value) const
+ { return find(key, value); }
+private:
+ T &operator[](const Key &key);
+ const T operator[](const Key &key) const;
+};
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE bool QMultiMap<Key, T>::contains(const Key &key, const T &value) const
+{
+ return constFind(key, value) != QMap<Key, T>::constEnd();
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE int QMultiMap<Key, T>::remove(const Key &key, const T &value)
+{
+ int n = 0;
+ typename QMap<Key, T>::iterator i(find(key));
+ typename QMap<Key, T>::iterator end(QMap<Key, T>::end());
+ while (i != end && !qMapLessThanKey<Key>(key, i.key())) {
+ if (i.value() == value) {
+#if defined(Q_CC_RVCT)
+ // RVCT has problems with scoping, apparently.
+ i = QMap<Key, T>::erase(i);
+#else
+ i = erase(i);
+#endif
+ ++n;
+ } else {
+ ++i;
+ }
+ }
+ return n;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE int QMultiMap<Key, T>::count(const Key &key, const T &value) const
+{
+ int n = 0;
+ typename QMap<Key, T>::const_iterator i(constFind(key));
+ typename QMap<Key, T>::const_iterator end(QMap<Key, T>::constEnd());
+ while (i != end && !qMapLessThanKey<Key>(key, i.key())) {
+ if (i.value() == value)
+ ++n;
+ ++i;
+ }
+ return n;
+}
+
+Q_DECLARE_ASSOCIATIVE_ITERATOR(Map)
+Q_DECLARE_MUTABLE_ASSOCIATIVE_ITERATOR(Map)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMAP_H