Add Qt3 development HEAD version

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diff --git a/src/tools/qvaluevector.h b/src/tools/qvaluevector.h
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+/****************************************************************************
+**
+** Definition of QValueVector class
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of the tools module of the Qt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at [email protected].
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.QPL
+** included in the packaging of this file.  Licensees holding valid Qt
+** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef QVALUEVECTOR_H
+#define QVALUEVECTOR_H
+
+#ifndef QT_H
+#include "qtl.h"
+#include "qshared.h"
+#include "qdatastream.h"
+#endif // QT_H
+
+#ifndef QT_NO_STL
+#include <vector>
+#endif
+
+template <class T>
+class QValueVectorPrivate : public QShared
+{
+public:
+    typedef T value_type;
+    typedef T* pointer;
+
+    QValueVectorPrivate()
+	: start( 0 ), finish( 0 ), end( 0 )
+    {
+    }
+
+    QValueVectorPrivate( const QValueVectorPrivate<T>& x );
+    QValueVectorPrivate( size_t size );
+
+    void derefAndDelete() // work-around for hp-cc
+    {
+	if ( deref() )
+	    delete this;
+    }
+
+#if defined(Q_TEMPLATEDLL)
+    // Workaround MS bug in memory de/allocation in DLL vs. EXE
+    virtual
+#endif
+    ~QValueVectorPrivate()
+    {
+	delete[] start;
+    }
+
+    size_t size() const
+    {
+	return finish - start;
+    }
+
+    bool empty() const
+    {
+	return start == finish;
+    }
+
+    size_t capacity() const
+    {
+	return end - start;
+    }
+
+    void insert( pointer pos, const T& x );
+    void insert( pointer pos, size_t n, const T& x );
+    void reserve( size_t n );
+
+    void clear()
+    {
+	delete[] start;
+	start = 0;
+	finish = 0;
+	end = 0;
+    }
+
+
+    pointer start;
+    pointer finish;
+    pointer end;
+
+private:
+    pointer growAndCopy( size_t n, pointer s, pointer f );
+
+    QValueVectorPrivate<T>& operator=( const QValueVectorPrivate<T>& x );
+
+};
+
+template <class T>
+Q_INLINE_TEMPLATES QValueVectorPrivate<T>::QValueVectorPrivate( const QValueVectorPrivate<T>& x )
+    : QShared()
+{
+    size_t i = x.size();
+    if ( i > 0 ) {
+	start = new T[ i ];
+	finish = start + i;
+	end = start + i;
+#if defined(__xlC__) && __xlC__ < 0x400 // xlC 3.6 confused by const
+	qCopy( (pointer)x.start, (pointer)x.finish, start );
+#else
+	qCopy( x.start, x.finish, start );
+#endif
+    } else {
+	start = 0;
+	finish = 0;
+	end = 0;
+    }
+}
+
+template <class T>
+Q_INLINE_TEMPLATES QValueVectorPrivate<T>::QValueVectorPrivate( size_t size )
+{
+    if ( size > 0 ) {
+	start = new T[size];
+	finish = start + size;
+	end = start + size;
+    } else {
+	start = 0;
+	finish = 0;
+	end = 0;
+    }
+}
+
+template <class T>
+Q_INLINE_TEMPLATES void QValueVectorPrivate<T>::insert( pointer pos, const T& x )
+{
+    const size_t lastSize = size();
+    const size_t n = lastSize !=0 ? 2*lastSize : 1;
+    const size_t offset = pos - start;
+    pointer newStart = new T[n];
+    pointer newFinish = newStart + offset;
+    qCopy( start, pos, newStart );
+    *newFinish = x;
+    qCopy( pos, finish, ++newFinish );
+    delete[] start;
+    start = newStart;
+    finish = newStart + lastSize + 1;
+    end = newStart + n;
+}
+
+template <class T>
+Q_INLINE_TEMPLATES void QValueVectorPrivate<T>::insert( pointer pos, size_t n, const T& x )
+{
+    if ( size_t( end - finish ) >= n ) {
+	// enough room
+	const size_t elems_after = finish - pos;
+	pointer old_finish = finish;
+	if ( elems_after > n ) {
+	    qCopy( finish - n, finish, finish );
+	    finish += n;
+	    qCopyBackward( pos, old_finish - n, old_finish );
+	    qFill( pos, pos + n, x );
+	} else {
+	    pointer filler = finish;
+	    size_t i = n - elems_after;
+	    for ( ; i > 0; --i, ++filler )
+		*filler = x;
+	    finish += n - elems_after;
+	    qCopy( pos, old_finish, finish );
+	    finish += elems_after;
+	    qFill( pos, old_finish, x );
+	}
+    } else {
+	// not enough room
+	const size_t lastSize = size();
+	const size_t len = lastSize + QMAX( lastSize, n );
+	pointer newStart = new T[len];
+	pointer newFinish = qCopy( start, pos, newStart );
+	// fill up inserted space
+	size_t i = n;
+	for ( ; i > 0; --i, ++newFinish )
+	    *newFinish = x;
+	newFinish = qCopy( pos, finish, newFinish );
+	delete[] start;
+	start = newStart;
+	finish = newFinish;
+	end = newStart + len;
+    }
+}
+
+template <class T>
+Q_INLINE_TEMPLATES void QValueVectorPrivate<T>::reserve( size_t n )
+{
+    const size_t lastSize = size();
+    pointer tmp = growAndCopy( n, start, finish );
+    start = tmp;
+    finish = tmp + lastSize;
+    end = start + n;
+}
+
+template <class T>
+Q_INLINE_TEMPLATES Q_TYPENAME QValueVectorPrivate<T>::pointer QValueVectorPrivate<T>::growAndCopy( size_t n, pointer s, pointer f )
+{
+    pointer newStart = new T[n];
+    qCopy( s, f, newStart );
+    delete[] start;
+    return newStart;
+}
+
+template <class T> class QDeepCopy;
+
+template <class T>
+class QValueVector
+{
+public:
+    typedef T value_type;
+    typedef value_type* pointer;
+    typedef const value_type* const_pointer;
+    typedef value_type* iterator;
+    typedef const value_type* const_iterator;
+    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
+
+    QValueVector()
+    {
+	sh = new QValueVectorPrivate<T>;
+    }
+
+    QValueVector( const QValueVector<T>& v )
+    {
+	sh = v.sh;
+	sh->ref();
+    }
+
+    QValueVector( size_type n, const T& val = T() );
+
+#ifndef QT_NO_STL
+    QValueVector( std::vector<T>& v ) // ### remove in 4.0
+    {
+	sh = new QValueVectorPrivate<T>( v.size() );
+	qCopy( v.begin(), v.end(), begin() );
+    }
+
+    QValueVector( const std::vector<T>& v )
+    {
+	sh = new QValueVectorPrivate<T>( v.size() );
+	qCopy( v.begin(), v.end(), begin() );
+    }
+#endif
+
+    ~QValueVector()
+    {
+	sh->derefAndDelete();
+    }
+
+    QValueVector<T>& operator= ( const QValueVector<T>& v )
+    {
+	v.sh->ref();
+	sh->derefAndDelete();
+	sh = v.sh;
+	return *this;
+    }
+
+#ifndef QT_NO_STL
+    QValueVector<T>& operator= ( const std::vector<T>& v )
+    {
+	clear();
+	resize( v.size() );
+	qCopy( v.begin(), v.end(), begin() );
+	return *this;
+    }
+#endif
+
+    size_type size() const { return sh->size(); }
+
+    bool empty() const { return sh->empty(); }
+
+    size_type capacity() const
+    {
+	return size_type( sh->capacity() );
+    }
+
+    iterator begin()
+    {
+	detach();
+	return sh->start;
+    }
+
+    const_iterator begin() const
+    {
+	return sh->start;
+    }
+
+    const_iterator constBegin() const
+    {
+	return sh->start;
+    }
+
+    iterator end()
+    {
+	detach();
+	return sh->finish;
+    }
+
+    const_iterator end() const
+    {
+	return sh->finish;
+    }
+
+    const_iterator constEnd() const
+    {
+	return sh->finish;
+    }
+
+    reference at( size_type i, bool* ok = 0 )
+    {
+	detach();
+	if ( ok )
+	    *ok = ( i < size() );
+	return *( begin() + i );
+    }
+
+    const_reference at( size_type i, bool* ok = 0 ) const
+    {
+	if ( ok )
+	    *ok = ( i < size() );
+	return *( begin() + i );
+    }
+
+    reference operator[]( size_type i )
+    {
+	detach();
+	return *( begin() + i );
+    }
+
+    const_reference operator[]( size_type i ) const
+    {
+	return *( begin() + i );
+    }
+
+    reference front()
+    {
+	Q_ASSERT( !empty() );
+	detach();
+	return *begin();
+    }
+
+    const_reference front() const
+    {
+	Q_ASSERT( !empty() );
+	return *begin();
+    }
+
+    reference back()
+    {
+	Q_ASSERT( !empty() );
+	detach();
+	return *( end() - 1 );
+    }
+
+    const_reference back() const
+    {
+	Q_ASSERT( !empty() );
+	return *( end() - 1 );
+    }
+
+    void push_back( const T& x )
+    {
+	detach();
+	if ( sh->finish == sh->end ) {
+	    sh->reserve( size()+size()/2+1 );
+	}
+	*sh->finish = x;
+	++sh->finish;
+    }
+
+    void pop_back()
+    {
+	detach();
+	if ( empty() )
+	    return;
+	--sh->finish;
+    }
+
+    iterator insert( iterator pos, const T& x );
+    iterator insert( iterator pos, size_type n, const T& x );
+
+    void reserve( size_type n )
+    {
+	if ( capacity() < n ) {
+	    detach();
+	    sh->reserve( n );
+	}
+    }
+
+    void resize( size_type n, const T& val = T() )
+    {
+	if ( n < size() )
+	    erase( begin() + n, end() );
+	else
+	    insert( end(), n - size(), val );
+    }
+
+    void clear()
+    {
+	detach();
+	sh->clear();
+    }
+
+    iterator erase( iterator pos )
+    {
+	detach();
+	if ( pos + 1 != end() )
+	    qCopy( pos + 1, sh->finish, pos );
+	--sh->finish;
+	return pos;
+    }
+
+    iterator erase( iterator first, iterator last )
+    {
+	detach();
+	qCopy( last, sh->finish, first );
+	sh->finish = sh->finish - ( last - first );
+	return first;
+    }
+
+    // ### remove in Qt 4.0
+    bool operator==( const QValueVector<T>& x )
+    {
+	return size()==x.size() ? qEqual( constBegin(), constEnd(), x.begin()) : FALSE;
+    }
+
+    bool operator==( const QValueVector<T>& x ) const
+    {
+	return size()==x.size() ? qEqual( begin(), end(), x.begin() ) : FALSE;
+    }
+
+    typedef T ValueType;
+    typedef ValueType *Iterator;
+    typedef const ValueType *ConstIterator;
+
+    size_type count() const { return size(); }
+    bool isEmpty() const { return empty(); }
+
+    reference first() { return front(); }
+    const_reference first() const { return front(); }
+    reference last() { return back(); }
+    const_reference last() const { return back(); }
+    void append( const T& x ) { push_back( x ); }
+
+protected:
+    void detach()
+    {
+	if ( sh->count > 1 ) { detachInternal(); }
+    }
+    void detachInternal();
+    QValueVectorPrivate<T>* sh;
+
+private:
+    friend class QDeepCopy< QValueVector<T> >;
+};
+
+template <class T>
+Q_INLINE_TEMPLATES QValueVector<T>::QValueVector( size_type n, const T& val )
+{
+    sh = new QValueVectorPrivate<T>( n );
+    qFill( begin(), end(), val );
+}
+
+template <class T>
+Q_INLINE_TEMPLATES void QValueVector<T>::detachInternal()
+{
+    sh->deref();
+    sh = new QValueVectorPrivate<T>( *sh );
+}
+
+template <class T>
+Q_INLINE_TEMPLATES Q_TYPENAME QValueVector<T>::iterator QValueVector<T>::insert( iterator pos, const T& x )
+{
+    size_type offset = pos - sh->start;
+    detach();
+    if ( pos == end() ) {
+	if ( sh->finish == sh->end )
+	    push_back( x );
+	else {
+	    *sh->finish = x;
+	    ++sh->finish;
+	}
+    } else {
+	if ( sh->finish == sh->end ) {
+	    sh->insert( pos, x );
+	} else {
+	    *sh->finish = *(sh->finish - 1);
+	    ++sh->finish;
+	    qCopyBackward( pos, sh->finish - 2, sh->finish - 1 );
+	    *pos = x;
+	}
+    }
+    return begin() + offset;
+}
+
+template <class T>
+Q_INLINE_TEMPLATES Q_TYPENAME QValueVector<T>::iterator QValueVector<T>::insert( iterator pos, size_type n, const T& x )
+{
+    if ( n != 0 ) {
+	size_type offset = pos - sh->start;
+	detach();
+	pos = begin() + offset;
+	sh->insert( pos, n, x );
+    }
+    return pos;
+}
+
+
+#ifndef QT_NO_DATASTREAM
+template<class T>
+Q_INLINE_TEMPLATES QDataStream& operator>>( QDataStream& s, QValueVector<T>& v )
+{
+    v.clear();
+    Q_UINT32 c;
+    s >> c;
+    v.resize( c );
+    for( Q_UINT32 i = 0; i < c; ++i )
+    {
+	T t;
+	s >> t;
+	v[i] = t;
+    }
+    return s;
+}
+
+template<class T>
+Q_INLINE_TEMPLATES QDataStream& operator<<( QDataStream& s, const QValueVector<T>& v )
+{
+    s << (Q_UINT32)v.size();
+    // ### use typename QValueVector<T>::const_iterator once all supported
+    // ### compilers know about the 'typename' keyword.
+    const T* it = v.begin();
+    for( ; it != v.end(); ++it )
+	s << *it;
+    return s;
+}
+#endif // QT_NO_DATASTREAM
+
+#define Q_DEFINED_QVALUEVECTOR
+#include "qwinexport.h"
+#endif // QVALUEVECTOR_H