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Source at commit 1406 created 12 years 10 months ago.
By meklort, Revert drivers.c so that kexts are only loaded when OSBundleRequired is set and that value is not safe mode. Added some comments about it too.
1/****************************************************************************
2**
3**
4** Definition of Qt template library classes
5**
6** Created : 990128
7**
8** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
9**
10** This file is part of the tools module of the Qt GUI Toolkit.
11**
12** This file may be distributed under the terms of the Q Public License
13** as defined by Trolltech AS of Norway and appearing in the file
14** LICENSE.QPL included in the packaging of this file.
15**
16** This file may be distributed and/or modified under the terms of the
17** GNU General Public License version 2 as published by the Free Software
18** Foundation and appearing in the file LICENSE.GPL included in the
19** packaging of this file.
20**
21** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
22** licenses may use this file in accordance with the Qt Commercial License
23** Agreement provided with the Software.
24**
25** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
26** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
27**
28** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
29** information about Qt Commercial License Agreements.
30** See http://www.trolltech.com/qpl/ for QPL licensing information.
31** See http://www.trolltech.com/gpl/ for GPL licensing information.
32**
33** Contact info@trolltech.com if any conditions of this licensing are
34** not clear to you.
35**
36**********************************************************************/
37#ifndef QTL_H
38#define QTL_H
39
40#ifndef QT_H
41#include "qtextstream.h"
42#include "qstring.h"
43#endif // QT_H
44
45#ifndef QT_NO_TEXTSTREAM
46template <class T>
47class QTextOStreamIterator
48{
49protected:
50 QTextOStream& stream;
51 QString separator;
52
53public:
54 QTextOStreamIterator( QTextOStream& s) : stream( s ) {}
55 QTextOStreamIterator( QTextOStream& s, const QString& sep )
56: stream( s ), separator( sep ) {}
57 QTextOStreamIterator<T>& operator= ( const T& x ) {
58stream << x;
59if ( !separator.isEmpty() )
60 stream << separator;
61return *this;
62 }
63 QTextOStreamIterator<T>& operator*() { return *this; }
64 QTextOStreamIterator<T>& operator++() { return *this; }
65 QTextOStreamIterator<T>& operator++(int) { return *this; }
66};
67#endif //QT_NO_TEXTSTREAM
68
69template <class InputIterator, class OutputIterator>
70inline OutputIterator qCopy( InputIterator _begin, InputIterator _end,
71 OutputIterator _dest )
72{
73 while( _begin != _end )
74*_dest++ = *_begin++;
75 return _dest;
76}
77
78
79template <class T>
80inline void qSwap( T& _value1, T& _value2 )
81{
82 T tmp = _value1;
83 _value1 = _value2;
84 _value2 = tmp;
85}
86
87
88template <class InputIterator>
89inline void qBubbleSort( InputIterator b, InputIterator e )
90{
91 // Goto last element;
92 InputIterator last = e;
93 --last;
94 // only one element or no elements ?
95 if ( last == b )
96return;
97
98 // So we have at least two elements in here
99 while( b != last ) {
100bool swapped = FALSE;
101InputIterator swap_pos = b;
102InputIterator x = e;
103InputIterator y = x;
104y--;
105do {
106 --x;
107 --y;
108 if ( *x < *y ) {
109swapped = TRUE;
110qSwap( *x, *y );
111swap_pos = y;
112 }
113} while( y != b );
114if ( !swapped )
115 return;
116b = swap_pos;
117b++;
118 }
119}
120
121
122template <class Container>
123inline void qBubbleSort( Container &c )
124{
125 qBubbleSort( c.begin(), c.end() );
126}
127
128
129template <class Value>
130inline void qHeapSortPushDown( Value* heap, int first, int last )
131{
132 int r = first;
133 while( r <= last/2 ) {
134// Node r has only one child ?
135if ( last == 2*r ) {
136 // Need for swapping ?
137 if ( heap[r] > heap[ 2*r ] )
138qSwap( heap[r], heap[ 2*r ] );
139 // That's it ...
140 r = last;
141} else { // Node has two children
142 if ( heap[r] > heap[ 2*r ] && heap[ 2*r ] <= heap[ 2*r+1 ] ) {
143// Swap with left child
144qSwap( heap[r], heap[ 2*r ] );
145r *= 2;
146 } else if ( heap[r] > heap[ 2*r+1 ] &&
147heap[ 2*r+1 ] < heap[ 2*r ] ) {
148// Swap with right child
149qSwap( heap[r], heap[ 2*r+1 ] );
150r = 2*r+1;
151 } else {
152// We are done
153r = last;
154 }
155}
156 }
157}
158
159
160template <class InputIterator, class Value>
161inline void qHeapSortHelper( InputIterator b, InputIterator e, Value, uint n )
162{
163 // Create the heap
164 InputIterator insert = b;
165 Value* realheap = new Value[ n ];
166 // Wow, what a fake. But I want the heap to be indexed as 1...n
167 Value* heap = realheap - 1;
168 int size = 0;
169 for( ; insert != e; ++insert ) {
170heap[++size] = *insert;
171int i = size;
172while( i > 1 && heap[i] < heap[ i / 2 ] ) {
173 qSwap( heap[i], heap[ i / 2 ] );
174 i /= 2;
175}
176 }
177
178 // Now do the sorting
179 for( uint i = n; i > 0; i-- ) {
180*b++ = heap[1];
181if ( i > 1 ) {
182 heap[1] = heap[i];
183 qHeapSortPushDown( heap, 1, (int)i - 1 );
184}
185 }
186
187 delete[] realheap;
188}
189
190
191template <class InputIterator>
192inline void qHeapSort( InputIterator b, InputIterator e )
193{
194 // Empty ?
195 if ( b == e )
196return;
197
198 // How many entries have to be sorted ?
199 InputIterator it = b;
200 uint n = 0;
201 while ( it != e ) {
202++n;
203++it;
204 }
205
206 // The second last parameter is a hack to retrieve the value type
207 // Do the real sorting here
208 qHeapSortHelper( b, e, *b, n );
209}
210
211
212template <class Container>
213inline void qHeapSort( Container &c )
214{
215 if ( c.isEmpty() )
216return;
217
218 // The second last parameter is a hack to retrieve the value type
219 // Do the real sorting here
220 qHeapSortHelper( c.begin(), c.end(), *(c.begin()), c.count() );
221}
222
223#endif
224

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