diff options
Diffstat (limited to 'qtools/qtl.h')
| -rw-r--r-- | qtools/qtl.h | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/qtools/qtl.h b/qtools/qtl.h deleted file mode 100644 index bd72e7d..0000000 --- a/qtools/qtl.h +++ /dev/null @@ -1,223 +0,0 @@ -/**************************************************************************** -** -** -** Definition of Qt template library classes -** -** Created : 990128 -** -** Copyright (C) 1992-2000 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. -** -**********************************************************************/ -#ifndef QTL_H -#define QTL_H - -#ifndef QT_H -#include "qtextstream.h" -#include "qstring.h" -#endif // QT_H - -#ifndef QT_NO_TEXTSTREAM -template <class T> -class QTextOStreamIterator -{ -protected: - QTextOStream& stream; - QString separator; - -public: - QTextOStreamIterator( QTextOStream& s) : stream( s ) {} - QTextOStreamIterator( QTextOStream& s, const QString& sep ) - : stream( s ), separator( sep ) {} - QTextOStreamIterator<T>& operator= ( const T& x ) { - stream << x; - if ( !separator.isEmpty() ) - stream << separator; - return *this; - } - QTextOStreamIterator<T>& operator*() { return *this; } - QTextOStreamIterator<T>& operator++() { return *this; } - QTextOStreamIterator<T>& operator++(int) { return *this; } -}; -#endif //QT_NO_TEXTSTREAM - -template <class InputIterator, class OutputIterator> -inline OutputIterator qCopy( InputIterator _begin, InputIterator _end, - OutputIterator _dest ) -{ - while( _begin != _end ) - *_dest++ = *_begin++; - return _dest; -} - - -template <class T> -inline void qSwap( T& _value1, T& _value2 ) -{ - T tmp = _value1; - _value1 = _value2; - _value2 = tmp; -} - - -template <class InputIterator> -inline void qBubbleSort( InputIterator b, InputIterator e ) -{ - // Goto last element; - InputIterator last = e; - --last; - // only one element or no elements ? - if ( last == b ) - return; - - // So we have at least two elements in here - while( b != last ) { - bool swapped = FALSE; - InputIterator swap_pos = b; - InputIterator x = e; - InputIterator y = x; - y--; - do { - --x; - --y; - if ( *x < *y ) { - swapped = TRUE; - qSwap( *x, *y ); - swap_pos = y; - } - } while( y != b ); - if ( !swapped ) - return; - b = swap_pos; - b++; - } -} - - -template <class Container> -inline void qBubbleSort( Container &c ) -{ - qBubbleSort( c.begin(), c.end() ); -} - - -template <class Value> -inline void qHeapSortPushDown( Value* heap, int first, int last ) -{ - int r = first; - while( r <= last/2 ) { - // Node r has only one child ? - if ( last == 2*r ) { - // Need for swapping ? - if ( heap[r] > heap[ 2*r ] ) - qSwap( heap[r], heap[ 2*r ] ); - // That's it ... - r = last; - } else { // Node has two children - if ( heap[r] > heap[ 2*r ] && heap[ 2*r ] <= heap[ 2*r+1 ] ) { - // Swap with left child - qSwap( heap[r], heap[ 2*r ] ); - r *= 2; - } else if ( heap[r] > heap[ 2*r+1 ] && - heap[ 2*r+1 ] < heap[ 2*r ] ) { - // Swap with right child - qSwap( heap[r], heap[ 2*r+1 ] ); - r = 2*r+1; - } else { - // We are done - r = last; - } - } - } -} - - -template <class InputIterator, class Value> -inline void qHeapSortHelper( InputIterator b, InputIterator e, Value, uint n ) -{ - // Create the heap - InputIterator insert = b; - Value* realheap = new Value[ n ]; - // Wow, what a fake. But I want the heap to be indexed as 1...n - Value* heap = realheap - 1; - int size = 0; - for( ; insert != e; ++insert ) { - heap[++size] = *insert; - int i = size; - while( i > 1 && heap[i] < heap[ i / 2 ] ) { - qSwap( heap[i], heap[ i / 2 ] ); - i /= 2; - } - } - - // Now do the sorting - for( uint i = n; i > 0; i-- ) { - *b++ = heap[1]; - if ( i > 1 ) { - heap[1] = heap[i]; - qHeapSortPushDown( heap, 1, (int)i - 1 ); - } - } - - delete[] realheap; -} - - -template <class InputIterator> -inline void qHeapSort( InputIterator b, InputIterator e ) -{ - // Empty ? - if ( b == e ) - return; - - // How many entries have to be sorted ? - InputIterator it = b; - uint n = 0; - while ( it != e ) { - ++n; - ++it; - } - - // The second last parameter is a hack to retrieve the value type - // Do the real sorting here - qHeapSortHelper( b, e, *b, n ); -} - - -template <class Container> -inline void qHeapSort( Container &c ) -{ - if ( c.isEmpty() ) - return; - - // The second last parameter is a hack to retrieve the value type - // Do the real sorting here - qHeapSortHelper( c.begin(), c.end(), *(c.begin()), c.count() ); -} - -#endif |