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tqtinterface/qtinterface/interface_qt3/tqvaluelist.h

721 lines
19 KiB

/*
Copyright (C) 2010 Timothy Pearson <kb9vqf@pearsoncomputing.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef TQT_TQVALUELIST_H
#define TQT_TQVALUELIST_H
#include <tqt.h>
#include <tqdatastream.h>
#ifdef USE_QT3
// Reimplement the QValueList class
// For Qt3, no changes are needed
#include <qvaluelist.h>
#endif // USE_QT3
#ifdef USE_QT4
// Reimplement the QValueList class
// For Qt4, some changes are needed
#include <Qt/q3shared.h>
#include <Qt/q3valuelist.h>
#include <Qt/qlist.h>
/****************************************************************************
** $Id: qt/qvaluelist.h 3.3.7 edited Aug 31 2005 $
**
** Definition of TQValueList class
**
** Created : 990406
**
** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
//#define QT_CHECK_VALUELIST_RANGE
#if defined(Q_CC_MSVC)
#pragma warning(disable:4284) // "return type for operator -> is not a UDT"
#endif
template <class T>
class TQValueListNode
{
public:
TQValueListNode( const T& t ) : data( t ) { }
TQValueListNode() { }
#if defined(Q_TEMPLATEDLL)
// Workaround MS bug in memory de/allocation in DLL vs. EXE
virtual ~TQValueListNode() { }
#endif
TQValueListNode<T>* next;
TQValueListNode<T>* prev;
T data;
};
template<class T>
class TQValueListIterator
{
public:
/**
* Typedefs
*/
typedef TQValueListNode<T>* NodePtr;
#ifndef QT_NO_STL
typedef std::bidirectional_iterator_tag iterator_category;
#endif
typedef T value_type;
typedef size_t size_type;
#ifndef QT_NO_STL
typedef ptrdiff_t difference_type;
#else
typedef int difference_type;
#endif
typedef T* pointer;
typedef T& reference;
/**
* Variables
*/
NodePtr node;
/**
* Functions
*/
TQValueListIterator() : node( 0 ) {}
TQValueListIterator( NodePtr p ) : node( p ) {}
TQValueListIterator( const TQValueListIterator<T>& it ) : node( it.node ) {}
bool operator==( const TQValueListIterator<T>& it ) const { return node == it.node; }
bool operator!=( const TQValueListIterator<T>& it ) const { return node != it.node; }
const T& operator*() const { return node->data; }
T& operator*() { return node->data; }
// UDT for T = x*
// T* operator->() const { return &node->data; }
TQValueListIterator<T>& operator++() {
node = node->next;
return *this;
}
TQValueListIterator<T> operator++(int) {
TQValueListIterator<T> tmp = *this;
node = node->next;
return tmp;
}
TQValueListIterator<T>& operator--() {
node = node->prev;
return *this;
}
TQValueListIterator<T> operator--(int) {
TQValueListIterator<T> tmp = *this;
node = node->prev;
return tmp;
}
TQValueListIterator<T>& operator+=( int j ) {
while ( j-- )
node = node->next;
return *this;
}
TQValueListIterator<T>& operator-=( int j ) {
while ( j-- )
node = node->prev;
return *this;
}
};
template<class T>
class TQValueListConstIterator
{
public:
/**
* Typedefs
*/
typedef TQValueListNode<T>* NodePtr;
#ifndef QT_NO_STL
typedef std::bidirectional_iterator_tag iterator_category;
#endif
typedef T value_type;
typedef size_t size_type;
#ifndef QT_NO_STL
typedef ptrdiff_t difference_type;
#else
typedef int difference_type;
#endif
typedef const T* pointer;
typedef const T& reference;
/**
* Variables
*/
NodePtr node;
/**
* Functions
*/
TQValueListConstIterator() : node( 0 ) {}
TQValueListConstIterator( NodePtr p ) : node( p ) {}
TQValueListConstIterator( const TQValueListConstIterator<T>& it ) : node( it.node ) {}
TQValueListConstIterator( const TQValueListIterator<T>& it ) : node( it.node ) {}
bool operator==( const TQValueListConstIterator<T>& it ) const { return node == it.node; }
bool operator!=( const TQValueListConstIterator<T>& it ) const { return node != it.node; }
const T& operator*() const { return node->data; }
// UDT for T = x*
// const T* operator->() const { return &node->data; }
TQValueListConstIterator<T>& operator++() {
node = node->next;
return *this;
}
TQValueListConstIterator<T> operator++(int) {
TQValueListConstIterator<T> tmp = *this;
node = node->next;
return tmp;
}
TQValueListConstIterator<T>& operator--() {
node = node->prev;
return *this;
}
TQValueListConstIterator<T> operator--(int) {
TQValueListConstIterator<T> tmp = *this;
node = node->prev;
return tmp;
}
};
template <class T>
class TQValueListPrivate : public Q3Shared
{
public:
/**
* Typedefs
*/
typedef TQValueListIterator<T> Iterator;
typedef TQValueListConstIterator<T> ConstIterator;
typedef TQValueListNode<T> Node;
typedef TQValueListNode<T>* NodePtr;
typedef size_t size_type;
/**
* Functions
*/
TQValueListPrivate();
TQValueListPrivate( const TQValueListPrivate<T>& _p );
void derefAndDelete() // ### hack to get around hp-cc brain damage
{
if ( deref() )
delete this;
}
#if defined(Q_TEMPLATEDLL)
// Workaround MS bug in memory de/allocation in DLL vs. EXE
virtual
#endif
~TQValueListPrivate();
Iterator insert( Iterator it, const T& x );
Iterator remove( Iterator it );
NodePtr find( NodePtr start, const T& x ) const;
int findIndex( NodePtr start, const T& x ) const;
uint contains( const T& x ) const;
uint remove( const T& x );
NodePtr at( size_type i ) const;
void clear();
NodePtr node;
size_type nodes;
};
template <class T>
TQValueListPrivate<T>::TQValueListPrivate()
{
node = new Node; node->next = node->prev = node; nodes = 0;
}
template <class T>
TQValueListPrivate<T>::TQValueListPrivate( const TQValueListPrivate<T>& _p )
: Q3Shared()
{
node = new Node; node->next = node->prev = node; nodes = 0;
Iterator b( _p.node->next );
Iterator e( _p.node );
Iterator i( node );
while( b != e )
insert( i, *b++ );
}
template <class T>
TQValueListPrivate<T>::~TQValueListPrivate() {
NodePtr p = node->next;
while( p != node ) {
NodePtr x = p->next;
delete p;
p = x;
}
delete node;
}
template <class T>
Q_TYPENAME TQValueListPrivate<T>::Iterator TQValueListPrivate<T>::insert( Q_TYPENAME TQValueListPrivate<T>::Iterator it, const T& x )
{
NodePtr p = new Node( x );
p->next = it.node;
p->prev = it.node->prev;
it.node->prev->next = p;
it.node->prev = p;
nodes++;
return p;
}
template <class T>
Q_TYPENAME TQValueListPrivate<T>::Iterator TQValueListPrivate<T>::remove( Q_TYPENAME TQValueListPrivate<T>::Iterator it )
{
Q_ASSERT ( it.node != node );
NodePtr next = it.node->next;
NodePtr prev = it.node->prev;
prev->next = next;
next->prev = prev;
delete it.node;
nodes--;
return Iterator( next );
}
template <class T>
Q_TYPENAME TQValueListPrivate<T>::NodePtr TQValueListPrivate<T>::find( Q_TYPENAME TQValueListPrivate<T>::NodePtr start, const T& x ) const
{
ConstIterator first( start );
ConstIterator last( node );
while( first != last) {
if ( *first == x )
return first.node;
++first;
}
return last.node;
}
template <class T>
int TQValueListPrivate<T>::findIndex( Q_TYPENAME TQValueListPrivate<T>::NodePtr start, const T& x ) const
{
ConstIterator first( start );
ConstIterator last( node );
int pos = 0;
while( first != last) {
if ( *first == x )
return pos;
++first;
++pos;
}
return -1;
}
template <class T>
uint TQValueListPrivate<T>::contains( const T& x ) const
{
uint result = 0;
Iterator first = Iterator( node->next );
Iterator last = Iterator( node );
while( first != last) {
if ( *first == x )
++result;
++first;
}
return result;
}
template <class T>
uint TQValueListPrivate<T>::remove( const T& _x )
{
const T x = _x;
uint result = 0;
Iterator first = Iterator( node->next );
Iterator last = Iterator( node );
while( first != last) {
if ( *first == x ) {
first = remove( first );
++result;
} else
++first;
}
return result;
}
template <class T>
Q_TYPENAME TQValueListPrivate<T>::NodePtr TQValueListPrivate<T>::at( size_type i ) const
{
Q_ASSERT( i <= nodes );
NodePtr p = node->next;
for( size_type x = 0; x < i; ++x )
p = p->next;
return p;
}
template <class T>
void TQValueListPrivate<T>::clear()
{
nodes = 0;
NodePtr p = node->next;
while( p != node ) {
NodePtr next = p->next;
delete p;
p = next;
}
node->next = node->prev = node;
}
#ifdef QT_CHECK_RANGE
# if !defined( QT_NO_DEBUG ) && defined( QT_CHECK_VALUELIST_RANGE )
# define QT_CHECK_INVALID_LIST_ELEMENT if ( empty() ) qWarning( "TQValueList: Warning invalid element" )
# define QT_CHECK_INVALID_LIST_ELEMENT_FATAL Q_ASSERT( !empty() );
# else
# define QT_CHECK_INVALID_LIST_ELEMENT
# define QT_CHECK_INVALID_LIST_ELEMENT_FATAL
# endif
#else
# define QT_CHECK_INVALID_LIST_ELEMENT
# define QT_CHECK_INVALID_LIST_ELEMENT_FATAL
#endif
template <class T> class QDeepCopy;
template <class T>
class TQValueList
{
public:
/**
* Typedefs
*/
typedef TQValueListIterator<T> iterator;
typedef TQValueListConstIterator<T> const_iterator;
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 size_t size_type;
#ifndef QT_NO_STL
typedef ptrdiff_t difference_type;
#else
typedef int difference_type;
#endif
/**
* API
*/
TQValueList() { sh = new TQValueListPrivate<T>; }
TQValueList( const TQValueList<T>& l ) { sh = l.sh; sh->ref(); }
#ifndef QT_NO_STL
TQValueList( const std::list<T>& l )
{
sh = new TQValueListPrivate<T>;
qCopy( l.begin(), l.end(), std::back_inserter( *this ) );
}
#endif
~TQValueList() { sh->derefAndDelete(); }
TQValueList<T>& operator= ( const TQValueList<T>& l )
{
l.sh->ref();
sh->derefAndDelete();
sh = l.sh;
return *this;
}
#ifndef QT_NO_STL
TQValueList<T>& operator= ( const std::list<T>& l )
{
detach();
qCopy( l.begin(), l.end(), std::back_inserter( *this ) );
return *this;
}
bool operator== ( const std::list<T>& l ) const
{
if ( size() != l.size() )
return FALSE;
const_iterator it2 = begin();
#if !defined(Q_CC_MIPS)
typename
#endif
std::list<T>::const_iterator it = l.begin();
for ( ; it2 != end(); ++it2, ++it )
if ( !((*it2) == (*it)) )
return FALSE;
return TRUE;
}
#endif
// Interoperability
TQValueList(const QList<T>& l)
{
for (int i = 0; i < l.size(); ++i) append(l.at(i));
}
TQValueList<T>& operator= (const QList<T>& l)
{
this->clear();
for (int i = 0; i < l.size(); ++i) append(l.at(i));
return *this;
}
operator QList<T>() const {
QList<T> list;
for (typename TQValueList<T>::const_iterator it = this->constBegin();
it != this->constEnd(); ++it)
list.append(*it);
return list;
}
bool operator== ( const TQValueList<T>& l ) const;
bool operator!= ( const TQValueList<T>& l ) const { return !( *this == l ); }
iterator begin() { detach(); return iterator( sh->node->next ); }
const_iterator begin() const { return const_iterator( sh->node->next ); }
const_iterator constBegin() const { return const_iterator( sh->node->next ); }
iterator end() { detach(); return iterator( sh->node ); }
const_iterator end() const { return const_iterator( sh->node ); }
const_iterator constEnd() const { return const_iterator( sh->node ); }
iterator insert( iterator it, const T& x ) { detach(); return sh->insert( it, x ); }
uint remove( const T& x ) { detach(); return sh->remove( x ); }
void clear();
// ### 4.0: move out of class
TQValueList<T>& operator<< ( const T& x )
{
append( x );
return *this;
}
size_type size() const { return sh->nodes; }
bool empty() const { return sh->nodes == 0; }
void push_front( const T& x ) { detach(); sh->insert( begin(), x ); }
void push_back( const T& x ) { detach(); sh->insert( end(), x ); }
iterator erase( iterator pos ) { detach(); return sh->remove( pos ); }
iterator erase( iterator first, iterator last );
reference front() { QT_CHECK_INVALID_LIST_ELEMENT_FATAL; return *begin(); }
const_reference front() const { QT_CHECK_INVALID_LIST_ELEMENT_FATAL; return *begin(); }
reference back() { QT_CHECK_INVALID_LIST_ELEMENT_FATAL; return *(--end()); }
const_reference back() const { QT_CHECK_INVALID_LIST_ELEMENT_FATAL; return *(--end()); }
void pop_front() { QT_CHECK_INVALID_LIST_ELEMENT; erase( begin() ); }
void pop_back() {
QT_CHECK_INVALID_LIST_ELEMENT;
iterator tmp = end();
erase( --tmp );
}
void insert( iterator pos, size_type n, const T& x );
// Some compilers (incl. vc++) would instantiate this function even if
// it is not used; this would constrain TQValueList to classes that provide
// an operator<
/*
void sort()
{
qHeapSort( *this );
}
*/
TQValueList<T> operator+ ( const TQValueList<T>& l ) const;
TQValueList<T>& operator+= ( const TQValueList<T>& l );
iterator fromLast() { detach(); return iterator( sh->node->prev ); }
const_iterator fromLast() const { return const_iterator( sh->node->prev ); }
bool isEmpty() const { return ( sh->nodes == 0 ); }
iterator append( const T& x ) { detach(); return sh->insert( end(), x ); }
iterator prepend( const T& x ) { detach(); return sh->insert( begin(), x ); }
iterator remove( iterator it ) { detach(); return sh->remove( it ); }
T& first() { QT_CHECK_INVALID_LIST_ELEMENT; detach(); return sh->node->next->data; }
const T& first() const { QT_CHECK_INVALID_LIST_ELEMENT; return sh->node->next->data; }
T& last() { QT_CHECK_INVALID_LIST_ELEMENT; detach(); return sh->node->prev->data; }
const T& last() const { QT_CHECK_INVALID_LIST_ELEMENT; return sh->node->prev->data; }
T& operator[] ( size_type i ) { QT_CHECK_INVALID_LIST_ELEMENT; detach(); return sh->at(i)->data; }
const T& operator[] ( size_type i ) const { QT_CHECK_INVALID_LIST_ELEMENT; return sh->at(i)->data; }
iterator at( size_type i ) { QT_CHECK_INVALID_LIST_ELEMENT; detach(); return iterator( sh->at(i) ); }
const_iterator at( size_type i ) const { QT_CHECK_INVALID_LIST_ELEMENT; return const_iterator( sh->at(i) ); }
iterator find ( const T& x ) { detach(); return iterator( sh->find( sh->node->next, x) ); }
const_iterator find ( const T& x ) const { return const_iterator( sh->find( sh->node->next, x) ); }
iterator find ( iterator it, const T& x ) { detach(); return iterator( sh->find( it.node, x ) ); }
const_iterator find ( const_iterator it, const T& x ) const { return const_iterator( sh->find( it.node, x ) ); }
int findIndex( const T& x ) const { return sh->findIndex( sh->node->next, x) ; }
size_type contains( const T& x ) const { return sh->contains( x ); }
size_type count() const { return sh->nodes; }
TQValueList<T>& operator+= ( const T& x )
{
append( x );
return *this;
}
typedef TQValueListIterator<T> Iterator;
typedef TQValueListConstIterator<T> ConstIterator;
typedef T ValueType;
protected:
/**
* Helpers
*/
void detach() { if ( sh->count > 1 ) detachInternal(); }
/**
* Variables
*/
TQValueListPrivate<T>* sh;
private:
void detachInternal();
friend class QDeepCopy< TQValueList<T> >;
};
template <class T>
bool TQValueList<T>::operator== ( const TQValueList<T>& l ) const
{
if ( size() != l.size() )
return FALSE;
const_iterator it2 = begin();
const_iterator it = l.begin();
for( ; it != l.end(); ++it, ++it2 )
if ( !( *it == *it2 ) )
return FALSE;
return TRUE;
}
template <class T>
void TQValueList<T>::clear()
{
if ( sh->count == 1 ) sh->clear(); else { sh->deref(); sh = new TQValueListPrivate<T>; }
}
template <class T>
Q_TYPENAME TQValueList<T>::iterator TQValueList<T>::erase( Q_TYPENAME TQValueList<T>::iterator first, Q_TYPENAME TQValueList<T>::iterator last )
{
while ( first != last )
erase( first++ );
return last;
}
template <class T>
void TQValueList<T>::insert( Q_TYPENAME TQValueList<T>::iterator pos, size_type n, const T& x )
{
for ( ; n > 0; --n )
insert( pos, x );
}
template <class T>
TQValueList<T> TQValueList<T>::operator+ ( const TQValueList<T>& l ) const
{
TQValueList<T> l2( *this );
for( const_iterator it = l.begin(); it != l.end(); ++it )
l2.append( *it );
return l2;
}
template <class T>
TQValueList<T>& TQValueList<T>::operator+= ( const TQValueList<T>& l )
{
TQValueList<T> copy = l;
for( const_iterator it = copy.begin(); it != copy.end(); ++it )
append( *it );
return *this;
}
template <class T>
void TQValueList<T>::detachInternal()
{
sh->deref(); sh = new TQValueListPrivate<T>( *sh );
}
#ifndef QT_NO_DATASTREAM
template <class T>
QDataStream& operator>>( QDataStream& s, TQValueList<T>& l )
{
l.clear();
Q_UINT32 c;
s >> c;
for( Q_UINT32 i = 0; i < c; ++i )
{
T t;
s >> t;
l.append( t );
if ( s.atEnd() )
break;
}
return s;
}
template <class T>
QDataStream& operator<<( QDataStream& s, const TQValueList<T>& l )
{
s << (Q_UINT32)l.size();
TQValueListConstIterator<T> it = l.begin();
for( ; it != l.end(); ++it )
s << *it;
return s;
}
#endif // QT_NO_DATASTREAM
/****************************************************************************/
#endif // USE_QT4
#endif /* TQT_TQVALUELIST_H */