qvaluelist.h

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

    }
    return -1;
}

template <class T>
Q_INLINE_TEMPLATES uint QValueListPrivate<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>
Q_INLINE_TEMPLATES uint QValueListPrivate<T>::remove( const T& 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_INLINE_TEMPLATES Q_TYPENAME QValueListPrivate<T>::NodePtr QValueListPrivate<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>
Q_INLINE_TEMPLATES void QValueListPrivate<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( "QValueList: 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 QValueList
{
public:
    /**
     * Typedefs
     */
    typedef QValueListIterator<T> iterator;
    typedef QValueListConstIterator<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
     */
    QValueList() { sh = new QValueListPrivate<T>; }
    QValueList( const QValueList<T>& l ) { sh = l.sh; sh->ref(); }
#ifndef QT_NO_STL
    QValueList( const std::list<T>& l )
    {
	sh = new QValueListPrivate<T>;
	qCopy( l.begin(), l.end(), std::back_inserter( *this ) );
    }
#endif
    ~QValueList() { sh->derefAndDelete(); }

    QValueList<T>& operator= ( const QValueList<T>& l )
    {
	l.sh->ref();
	sh->derefAndDelete();
	sh = l.sh;
	return *this;
    }
#ifndef QT_NO_STL
    QValueList<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
    bool operator== ( const QValueList<T>& l ) const;
    bool operator!= ( const QValueList<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
    QValueList<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 QValueList to classes that provide
    // an operator<
    /*
    void sort()
    {
	qHeapSort( *this );
    }
    */

    QValueList<T> operator+ ( const QValueList<T>& l ) const;
    QValueList<T>& operator+= ( const QValueList<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; }

    QValueList<T>& operator+= ( const T& x )
    {
	append( x );
	return *this;
    }
    typedef QValueListIterator<T> Iterator;
    typedef QValueListConstIterator<T> ConstIterator;
    typedef T ValueType;

protected:
    /**
     * Helpers
     */
    void detach() { if ( sh->count > 1 ) detachInternal(); }

    /**
     * Variables
     */
    QValueListPrivate<T>* sh;

private:
    void detachInternal();

    friend class QDeepCopy< QValueList<T> >;
};

template <class T>
Q_INLINE_TEMPLATES bool QValueList<T>::operator== ( const QValueList<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>
Q_INLINE_TEMPLATES void QValueList<T>::clear()
{
    if ( sh->count == 1 ) sh->clear(); else { sh->deref(); sh = new QValueListPrivate<T>; }
}

template <class T>
Q_INLINE_TEMPLATES Q_TYPENAME QValueList<T>::iterator QValueList<T>::erase( Q_TYPENAME QValueList<T>::iterator first, Q_TYPENAME QValueList<T>::iterator last )
{
    while ( first != last )
	erase( first++ );
    return last;
}


template <class T>
Q_INLINE_TEMPLATES void QValueList<T>::insert( Q_TYPENAME QValueList<T>::iterator pos, size_type n, const T& x )
{
    for ( ; n > 0; --n )
	insert( pos, x );
}

template <class T>
Q_INLINE_TEMPLATES QValueList<T> QValueList<T>::operator+ ( const QValueList<T>& l ) const
{
    QValueList<T> l2( *this );
    for( const_iterator it = l.begin(); it != l.end(); ++it )
	l2.append( *it );
    return l2;
}

template <class T>
Q_INLINE_TEMPLATES QValueList<T>& QValueList<T>::operator+= ( const QValueList<T>& l )
{
    for( const_iterator it = l.begin(); it != l.end(); ++it )
	append( *it );
    return *this;
}

template <class T>
Q_INLINE_TEMPLATES void QValueList<T>::detachInternal()
{
    sh->deref(); sh = new QValueListPrivate<T>( *sh );
}

#ifndef QT_NO_DATASTREAM
template <class T>
Q_INLINE_TEMPLATES QDataStream& operator>>( QDataStream& s, QValueList<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>
Q_INLINE_TEMPLATES QDataStream& operator<<( QDataStream& s, const QValueList<T>& l )
{
    s << (Q_UINT32)l.size();
    QValueListConstIterator<T> it = l.begin();
    for( ; it != l.end(); ++it )
	s << *it;
    return s;
}
#endif // QT_NO_DATASTREAM

#define Q_DEFINED_QVALUELIST
#define Q_DEFINED_QVALUELIST
#include "qwinexport.h"
#endif // QVALUELIST_H