File: | home/maarten/src/libreoffice/core/extensions/source/scanner/grid.cxx |
Warning: | line 670, column 40 The left operand of '-' is a garbage value |
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1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | ||||
2 | /* | ||||
3 | * This file is part of the LibreOffice project. | ||||
4 | * | ||||
5 | * This Source Code Form is subject to the terms of the Mozilla Public | ||||
6 | * License, v. 2.0. If a copy of the MPL was not distributed with this | ||||
7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||||
8 | * | ||||
9 | * This file incorporates work covered by the following license notice: | ||||
10 | * | ||||
11 | * Licensed to the Apache Software Foundation (ASF) under one or more | ||||
12 | * contributor license agreements. See the NOTICE file distributed | ||||
13 | * with this work for additional information regarding copyright | ||||
14 | * ownership. The ASF licenses this file to you under the Apache | ||||
15 | * License, Version 2.0 (the "License"); you may not use this file | ||||
16 | * except in compliance with the License. You may obtain a copy of | ||||
17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . | ||||
18 | */ | ||||
19 | |||||
20 | #include <sal/config.h> | ||||
21 | #include <osl/thread.h> | ||||
22 | #include <cstdio> | ||||
23 | #include <math.h> | ||||
24 | #include <boost/math/special_functions/expm1.hpp> | ||||
25 | |||||
26 | #include <bitmaps.hlst> | ||||
27 | #include <cmath> | ||||
28 | |||||
29 | #include "grid.hxx" | ||||
30 | #include <vcl/bitmapex.hxx> | ||||
31 | #include <vcl/customweld.hxx> | ||||
32 | #include <vcl/event.hxx> | ||||
33 | #include <vcl/settings.hxx> | ||||
34 | #include <vcl/svapp.hxx> | ||||
35 | |||||
36 | #include <algorithm> | ||||
37 | #include <limits> | ||||
38 | #include <memory> | ||||
39 | |||||
40 | class GridWindow : public weld::CustomWidgetController | ||||
41 | { | ||||
42 | // helper class for handles | ||||
43 | struct impHandle | ||||
44 | { | ||||
45 | Point maPos; | ||||
46 | sal_uInt16 mnOffX; | ||||
47 | sal_uInt16 mnOffY; | ||||
48 | |||||
49 | impHandle(const Point& rPos, sal_uInt16 nX, sal_uInt16 nY) | ||||
50 | : maPos(rPos), mnOffX(nX), mnOffY(nY) | ||||
51 | { | ||||
52 | } | ||||
53 | |||||
54 | bool operator<(const impHandle& rComp) const | ||||
55 | { | ||||
56 | return (maPos.X() < rComp.maPos.X()); | ||||
57 | } | ||||
58 | |||||
59 | void draw(vcl::RenderContext& rRenderContext, const BitmapEx& rBitmapEx) | ||||
60 | { | ||||
61 | const Point aOffset(rRenderContext.PixelToLogic(Point(mnOffX, mnOffY))); | ||||
62 | rRenderContext.DrawBitmapEx(maPos - aOffset, rBitmapEx); | ||||
63 | } | ||||
64 | |||||
65 | bool isHit(OutputDevice const & rWin, const Point& rPos) | ||||
66 | { | ||||
67 | const Point aOffset(rWin.PixelToLogic(Point(mnOffX, mnOffY))); | ||||
68 | const tools::Rectangle aTarget(maPos - aOffset, maPos + aOffset); | ||||
69 | return aTarget.IsInside(rPos); | ||||
70 | } | ||||
71 | }; | ||||
72 | |||||
73 | tools::Rectangle m_aGridArea; | ||||
74 | |||||
75 | double m_fMinX; | ||||
76 | double m_fMinY; | ||||
77 | double m_fMaxX; | ||||
78 | double m_fMaxY; | ||||
79 | |||||
80 | double m_fChunkX; | ||||
81 | double m_fMinChunkX; | ||||
82 | double m_fChunkY; | ||||
83 | double m_fMinChunkY; | ||||
84 | |||||
85 | double* m_pXValues; | ||||
86 | double* m_pOrigYValues; | ||||
87 | int m_nValues; | ||||
88 | std::unique_ptr<double[]> m_pNewYValues; | ||||
89 | |||||
90 | sal_uInt16 m_BmOffX; | ||||
91 | sal_uInt16 m_BmOffY; | ||||
92 | |||||
93 | bool m_bCutValues; | ||||
94 | |||||
95 | // stuff for handles | ||||
96 | using Handles = std::vector<impHandle>; | ||||
97 | static constexpr auto npos = std::numeric_limits<Handles::size_type>::max(); | ||||
98 | Handles m_aHandles; | ||||
99 | Handles::size_type m_nDragIndex; | ||||
100 | |||||
101 | BitmapEx m_aMarkerBitmap; | ||||
102 | |||||
103 | Point transform( double x, double y ); | ||||
104 | void transform( const Point& rOriginal, double& x, double& y ); | ||||
105 | |||||
106 | double findMinX(); | ||||
107 | double findMinY(); | ||||
108 | double findMaxX(); | ||||
109 | double findMaxY(); | ||||
110 | |||||
111 | void drawGrid(vcl::RenderContext& rRenderContext); | ||||
112 | void drawOriginal(vcl::RenderContext& rRenderContext); | ||||
113 | void drawNew(vcl::RenderContext& rRenderContext); | ||||
114 | void drawHandles(vcl::RenderContext& rRenderContext); | ||||
115 | |||||
116 | void computeExtremes(); | ||||
117 | static void computeChunk( double fMin, double fMax, double& fChunkOut, double& fMinChunkOut ); | ||||
118 | void computeNew(); | ||||
119 | static double interpolate( double x, double const * pNodeX, double const * pNodeY, int nNodes ); | ||||
120 | |||||
121 | virtual bool MouseMove( const MouseEvent& ) override; | ||||
122 | virtual bool MouseButtonDown( const MouseEvent& ) override; | ||||
123 | virtual bool MouseButtonUp( const MouseEvent& ) override; | ||||
124 | void onResize(); | ||||
125 | virtual void Resize() override; | ||||
126 | virtual void SetDrawingArea(weld::DrawingArea* pDrawingArea) override; | ||||
127 | void drawLine(vcl::RenderContext& rRenderContext, double x1, double y1, double x2, double y2); | ||||
128 | public: | ||||
129 | GridWindow(); | ||||
130 | void Init(double* pXValues, double* pYValues, int nValues, bool bCutValues, const BitmapEx &rMarkerBitmap); | ||||
131 | virtual ~GridWindow() override; | ||||
132 | |||||
133 | void setBoundings( double fMinX, double fMinY, double fMaxX, double fMaxY ); | ||||
134 | |||||
135 | double* getNewYValues() { return m_pNewYValues.get(); } | ||||
136 | |||||
137 | void ChangeMode(ResetType nType); | ||||
138 | |||||
139 | virtual void Paint( vcl::RenderContext& /*rRenderContext*/, const tools::Rectangle& rRect ) override; | ||||
140 | }; | ||||
141 | |||||
142 | GridWindow::GridWindow() | ||||
143 | : m_aGridArea(50, 15, 100, 100) | ||||
144 | , m_fMinX(0.0) | ||||
145 | , m_fMinY(0.0) | ||||
146 | , m_fMaxX(0.0) | ||||
147 | , m_fMaxY(0.0) | ||||
148 | , m_fChunkX(0.0) | ||||
149 | , m_fMinChunkX(0.0) | ||||
150 | , m_fChunkY(0.0) | ||||
151 | , m_fMinChunkY(0.0) | ||||
152 | , m_pXValues(nullptr) | ||||
153 | , m_pOrigYValues(nullptr) | ||||
154 | , m_nValues(0) | ||||
155 | , m_BmOffX(0) | ||||
156 | , m_BmOffY(0) | ||||
157 | , m_bCutValues(false) | ||||
158 | , m_aHandles() | ||||
159 | , m_nDragIndex(npos) | ||||
160 | { | ||||
161 | } | ||||
162 | |||||
163 | void GridWindow::Init(double* pXValues, double* pYValues, int nValues, bool bCutValues, const BitmapEx &rMarkerBitmap) | ||||
164 | { | ||||
165 | m_aMarkerBitmap = rMarkerBitmap; | ||||
166 | m_pXValues = pXValues; | ||||
167 | m_pOrigYValues = pYValues; | ||||
168 | m_nValues = nValues; | ||||
169 | m_bCutValues = bCutValues; | ||||
170 | |||||
171 | onResize(); | ||||
172 | |||||
173 | if (m_pOrigYValues && m_nValues) | ||||
174 | { | ||||
175 | m_pNewYValues.reset(new double[ m_nValues ]); | ||||
176 | memcpy( m_pNewYValues.get(), m_pOrigYValues, sizeof( double ) * m_nValues ); | ||||
177 | } | ||||
178 | |||||
179 | setBoundings( 0, 0, 1023, 1023 ); | ||||
180 | computeExtremes(); | ||||
181 | |||||
182 | // create left and right marker as first and last entry | ||||
183 | m_BmOffX = sal_uInt16(m_aMarkerBitmap.GetSizePixel().Width() >> 1); | ||||
184 | m_BmOffY = sal_uInt16(m_aMarkerBitmap.GetSizePixel().Height() >> 1); | ||||
185 | m_aHandles.push_back(impHandle(transform(findMinX(), findMinY()), m_BmOffX, m_BmOffY)); | ||||
186 | m_aHandles.push_back(impHandle(transform(findMaxX(), findMaxY()), m_BmOffX, m_BmOffY)); | ||||
187 | } | ||||
188 | |||||
189 | void GridWindow::Resize() | ||||
190 | { | ||||
191 | onResize(); | ||||
192 | } | ||||
193 | |||||
194 | void GridWindow::onResize() | ||||
195 | { | ||||
196 | Size aSize = GetOutputSizePixel(); | ||||
197 | m_aGridArea.setWidth( aSize.Width() - 80 ); | ||||
198 | m_aGridArea.setHeight( aSize.Height() - 40 ); | ||||
199 | } | ||||
200 | |||||
201 | void GridWindow::SetDrawingArea(weld::DrawingArea* pDrawingArea) | ||||
202 | { | ||||
203 | Size aSize(pDrawingArea->get_ref_device().LogicToPixel(Size(240, 200), MapMode(MapUnit::MapAppFont))); | ||||
204 | pDrawingArea->set_size_request(aSize.Width(), aSize.Height()); | ||||
205 | CustomWidgetController::SetDrawingArea(pDrawingArea); | ||||
206 | SetOutputSizePixel(aSize); | ||||
207 | } | ||||
208 | |||||
209 | GridDialog::GridDialog(weld::Window* pParent, double* pXValues, double* pYValues, int nValues) | ||||
210 | : GenericDialogController(pParent, "modules/scanner/ui/griddialog.ui", "GridDialog") | ||||
211 | , m_xOKButton(m_xBuilder->weld_button("ok")) | ||||
212 | , m_xResetTypeBox(m_xBuilder->weld_combo_box("resetTypeCombobox")) | ||||
213 | , m_xResetButton(m_xBuilder->weld_button("resetButton")) | ||||
214 | , m_xGridWindow(new GridWindow) | ||||
215 | , m_xGridWindowWND(new weld::CustomWeld(*m_xBuilder, "gridwindow", *m_xGridWindow)) | ||||
216 | { | ||||
217 | m_xGridWindow->Init(pXValues, pYValues, nValues, true/*bCutValues*/, BitmapEx(RID_SCANNER_HANDLE"extensions/res/scanner/handle.png")); | ||||
218 | m_xResetTypeBox->set_active(0); | ||||
219 | m_xResetButton->connect_clicked( LINK( this, GridDialog, ClickButtonHdl )::tools::detail::makeLink( ::tools::detail::castTo<GridDialog *>(this), &GridDialog::LinkStubClickButtonHdl) ); | ||||
220 | } | ||||
221 | |||||
222 | GridDialog::~GridDialog() | ||||
223 | { | ||||
224 | } | ||||
225 | |||||
226 | GridWindow::~GridWindow() | ||||
227 | { | ||||
228 | m_pNewYValues.reset(); | ||||
229 | } | ||||
230 | |||||
231 | double GridWindow::findMinX() | ||||
232 | { | ||||
233 | if( ! m_pXValues ) | ||||
234 | return 0.0; | ||||
235 | double fMin = m_pXValues[0]; | ||||
236 | for( int i = 1; i < m_nValues; i++ ) | ||||
237 | if( m_pXValues[ i ] < fMin ) | ||||
238 | fMin = m_pXValues[ i ]; | ||||
239 | return fMin; | ||||
240 | } | ||||
241 | |||||
242 | double GridWindow::findMinY() | ||||
243 | { | ||||
244 | if( ! m_pNewYValues ) | ||||
245 | return 0.0; | ||||
246 | double fMin = m_pNewYValues[0]; | ||||
247 | for( int i = 1; i < m_nValues; i++ ) | ||||
248 | if( m_pNewYValues[ i ] < fMin ) | ||||
249 | fMin = m_pNewYValues[ i ]; | ||||
250 | return fMin; | ||||
251 | } | ||||
252 | |||||
253 | |||||
254 | double GridWindow::findMaxX() | ||||
255 | { | ||||
256 | if( ! m_pXValues ) | ||||
257 | return 0.0; | ||||
258 | double fMax = m_pXValues[0]; | ||||
259 | for( int i = 1; i < m_nValues; i++ ) | ||||
260 | if( m_pXValues[ i ] > fMax ) | ||||
261 | fMax = m_pXValues[ i ]; | ||||
262 | return fMax; | ||||
263 | } | ||||
264 | |||||
265 | |||||
266 | double GridWindow::findMaxY() | ||||
267 | { | ||||
268 | if( ! m_pNewYValues ) | ||||
269 | return 0.0; | ||||
270 | double fMax = m_pNewYValues[0]; | ||||
271 | for( int i = 1; i < m_nValues; i++ ) | ||||
272 | if( m_pNewYValues[ i ] > fMax ) | ||||
273 | fMax = m_pNewYValues[ i ]; | ||||
274 | return fMax; | ||||
275 | } | ||||
276 | |||||
277 | |||||
278 | void GridWindow::computeExtremes() | ||||
279 | { | ||||
280 | if( !(m_nValues && m_pXValues && m_pOrigYValues) ) | ||||
281 | return; | ||||
282 | |||||
283 | m_fMaxX = m_fMinX = m_pXValues[0]; | ||||
284 | m_fMaxY = m_fMinY = m_pOrigYValues[0]; | ||||
285 | for( int i = 1; i < m_nValues; i++ ) | ||||
286 | { | ||||
287 | if( m_pXValues[ i ] > m_fMaxX ) | ||||
288 | m_fMaxX = m_pXValues[ i ]; | ||||
289 | else if( m_pXValues[ i ] < m_fMinX ) | ||||
290 | m_fMinX = m_pXValues[ i ]; | ||||
291 | if( m_pOrigYValues[ i ] > m_fMaxY ) | ||||
292 | m_fMaxY = m_pOrigYValues[ i ]; | ||||
293 | else if( m_pOrigYValues[ i ] < m_fMinY ) | ||||
294 | m_fMinY = m_pOrigYValues[ i ]; | ||||
295 | } | ||||
296 | setBoundings( m_fMinX, m_fMinY, m_fMaxX, m_fMaxY ); | ||||
297 | } | ||||
298 | |||||
299 | |||||
300 | Point GridWindow::transform( double x, double y ) | ||||
301 | { | ||||
302 | Point aRet; | ||||
303 | |||||
304 | aRet.setX( static_cast<long>( ( x - m_fMinX ) * | ||||
305 | static_cast<double>(m_aGridArea.GetWidth()) / ( m_fMaxX - m_fMinX ) | ||||
306 | + m_aGridArea.Left() ) ); | ||||
307 | aRet.setY( static_cast<long>( | ||||
308 | m_aGridArea.Bottom() - | ||||
309 | ( y - m_fMinY ) * | ||||
310 | static_cast<double>(m_aGridArea.GetHeight()) / ( m_fMaxY - m_fMinY ) ) ); | ||||
311 | return aRet; | ||||
312 | } | ||||
313 | |||||
314 | void GridWindow::transform( const Point& rOriginal, double& x, double& y ) | ||||
315 | { | ||||
316 | const long nWidth = m_aGridArea.GetWidth(); | ||||
317 | const long nHeight = m_aGridArea.GetHeight(); | ||||
318 | if (!nWidth
| ||||
319 | return; | ||||
320 | x = ( rOriginal.X() - m_aGridArea.Left() ) * (m_fMaxX - m_fMinX) / static_cast<double>(nWidth) + m_fMinX; | ||||
321 | y = ( m_aGridArea.Bottom() - rOriginal.Y() ) * (m_fMaxY - m_fMinY) / static_cast<double>(nHeight) + m_fMinY; | ||||
322 | } | ||||
323 | |||||
324 | void GridWindow::drawLine(vcl::RenderContext& rRenderContext, double x1, double y1, double x2, double y2 ) | ||||
325 | { | ||||
326 | rRenderContext.DrawLine(transform(x1, y1), transform(x2, y2)); | ||||
327 | } | ||||
328 | |||||
329 | void GridWindow::computeChunk( double fMin, double fMax, double& fChunkOut, double& fMinChunkOut ) | ||||
330 | { | ||||
331 | // get a nice chunk size like 10, 100, 25 or such | ||||
332 | fChunkOut = ( fMax - fMin ) / 6.0; | ||||
333 | int logchunk = static_cast<int>(std::log10( fChunkOut )); | ||||
334 | int nChunk = static_cast<int>( fChunkOut / std::exp( static_cast<double>(logchunk-1) * M_LN102.30258509299404568402 ) ); | ||||
335 | if( nChunk >= 75 ) | ||||
336 | nChunk = 100; | ||||
337 | else if( nChunk >= 35 ) | ||||
338 | nChunk = 50; | ||||
339 | else if ( nChunk > 20 ) | ||||
340 | nChunk = 25; | ||||
341 | else if ( nChunk >= 13 ) | ||||
342 | nChunk = 20; | ||||
343 | else if( nChunk > 5 ) | ||||
344 | nChunk = 10; | ||||
345 | else | ||||
346 | nChunk = 5; | ||||
347 | fChunkOut = static_cast<double>(nChunk) * exp( static_cast<double>(logchunk-1) * M_LN102.30258509299404568402 ); | ||||
348 | // compute whole chunks fitting into fMin | ||||
349 | nChunk = static_cast<int>( fMin / fChunkOut ); | ||||
350 | fMinChunkOut = static_cast<double>(nChunk) * fChunkOut; | ||||
351 | while( fMinChunkOut < fMin ) | ||||
352 | fMinChunkOut += fChunkOut; | ||||
353 | } | ||||
354 | |||||
355 | |||||
356 | void GridWindow::computeNew() | ||||
357 | { | ||||
358 | if(2 == m_aHandles.size()) | ||||
359 | { | ||||
360 | // special case: only left and right markers | ||||
361 | double xleft, yleft; | ||||
362 | double xright, yright; | ||||
363 | transform(m_aHandles[0].maPos, xleft, yleft); | ||||
364 | transform(m_aHandles[1].maPos, xright, yright ); | ||||
365 | double factor = (yright-yleft)/(xright-xleft); | ||||
366 | for( int i = 0; i < m_nValues; i++ ) | ||||
367 | { | ||||
368 | m_pNewYValues[ i ] = yleft + ( m_pXValues[ i ] - xleft )*factor; | ||||
369 | } | ||||
370 | } | ||||
371 | else | ||||
372 | { | ||||
373 | // sort markers | ||||
374 | std::sort(m_aHandles.begin(), m_aHandles.end()); | ||||
375 | const int nSorted = m_aHandles.size(); | ||||
376 | int i; | ||||
377 | |||||
378 | // get node arrays | ||||
379 | std::unique_ptr<double[]> nodex(new double[ nSorted ]); | ||||
380 | std::unique_ptr<double[]> nodey(new double[ nSorted ]); | ||||
381 | |||||
382 | for( i = 0; i < nSorted; i++ ) | ||||
383 | transform( m_aHandles[i].maPos, nodex[ i ], nodey[ i ] ); | ||||
384 | |||||
385 | for( i = 0; i < m_nValues; i++ ) | ||||
386 | { | ||||
387 | double x = m_pXValues[ i ]; | ||||
388 | m_pNewYValues[ i ] = interpolate( x, nodex.get(), nodey.get(), nSorted ); | ||||
389 | if( m_bCutValues ) | ||||
390 | { | ||||
391 | if( m_pNewYValues[ i ] > m_fMaxY ) | ||||
392 | m_pNewYValues[ i ] = m_fMaxY; | ||||
393 | else if( m_pNewYValues[ i ] < m_fMinY ) | ||||
394 | m_pNewYValues[ i ] = m_fMinY; | ||||
395 | } | ||||
396 | } | ||||
397 | } | ||||
398 | } | ||||
399 | |||||
400 | |||||
401 | double GridWindow::interpolate( | ||||
402 | double x, | ||||
403 | double const * pNodeX, | ||||
404 | double const * pNodeY, | ||||
405 | int nNodes ) | ||||
406 | { | ||||
407 | // compute Lagrange interpolation | ||||
408 | double ret = 0; | ||||
409 | for( int i = 0; i < nNodes; i++ ) | ||||
410 | { | ||||
411 | double sum = pNodeY[ i ]; | ||||
412 | for( int n = 0; n < nNodes; n++ ) | ||||
413 | { | ||||
414 | if( n != i ) | ||||
415 | { | ||||
416 | sum *= x - pNodeX[ n ]; | ||||
417 | sum /= pNodeX[ i ] - pNodeX[ n ]; | ||||
418 | } | ||||
419 | } | ||||
420 | ret += sum; | ||||
421 | } | ||||
422 | return ret; | ||||
423 | } | ||||
424 | |||||
425 | void GridDialog::setBoundings(double fMinX, double fMinY, double fMaxX, double fMaxY) | ||||
426 | { | ||||
427 | m_xGridWindow->setBoundings(fMinX, fMinY, fMaxX, fMaxY); | ||||
428 | } | ||||
429 | |||||
430 | void GridWindow::setBoundings(double fMinX, double fMinY, double fMaxX, double fMaxY) | ||||
431 | { | ||||
432 | m_fMinX = fMinX; | ||||
433 | m_fMinY = fMinY; | ||||
434 | m_fMaxX = fMaxX; | ||||
435 | m_fMaxY = fMaxY; | ||||
436 | |||||
437 | computeChunk( m_fMinX, m_fMaxX, m_fChunkX, m_fMinChunkX ); | ||||
438 | computeChunk( m_fMinY, m_fMaxY, m_fChunkY, m_fMinChunkY ); | ||||
439 | } | ||||
440 | |||||
441 | void GridWindow::drawGrid(vcl::RenderContext& rRenderContext) | ||||
442 | { | ||||
443 | char pBuf[256]; | ||||
444 | rRenderContext.SetLineColor(COL_BLACK); | ||||
445 | // draw vertical lines | ||||
446 | for (double fX = m_fMinChunkX; fX < m_fMaxX; fX += m_fChunkX) | ||||
447 | { | ||||
448 | drawLine(rRenderContext, fX, m_fMinY, fX, m_fMaxY); | ||||
449 | // draw tickmarks | ||||
450 | Point aPt = transform(fX, m_fMinY); | ||||
451 | std::sprintf(pBuf, "%g", fX); | ||||
452 | OUString aMark(pBuf, strlen(pBuf), osl_getThreadTextEncoding()); | ||||
453 | Size aTextSize(rRenderContext.GetTextWidth(aMark), rRenderContext.GetTextHeight()); | ||||
454 | aPt.AdjustX( -(aTextSize.Width() / 2) ); | ||||
455 | aPt.AdjustY(aTextSize.Height() / 2 ); | ||||
456 | rRenderContext.DrawText(aPt, aMark); | ||||
457 | } | ||||
458 | // draw horizontal lines | ||||
459 | for (double fY = m_fMinChunkY; fY < m_fMaxY; fY += m_fChunkY) | ||||
460 | { | ||||
461 | drawLine(rRenderContext, m_fMinX, fY, m_fMaxX, fY); | ||||
462 | // draw tickmarks | ||||
463 | Point aPt = transform(m_fMinX, fY); | ||||
464 | std::sprintf(pBuf, "%g", fY); | ||||
465 | OUString aMark(pBuf, strlen(pBuf), osl_getThreadTextEncoding()); | ||||
466 | Size aTextSize(rRenderContext.GetTextWidth(aMark), rRenderContext.GetTextHeight()); | ||||
467 | aPt.AdjustX( -(aTextSize.Width() + 2) ); | ||||
468 | aPt.AdjustY( -(aTextSize.Height() / 2) ); | ||||
469 | rRenderContext.DrawText(aPt, aMark); | ||||
470 | } | ||||
471 | |||||
472 | // draw boundings | ||||
473 | drawLine(rRenderContext, m_fMinX, m_fMinY, m_fMaxX, m_fMinY); | ||||
474 | drawLine(rRenderContext, m_fMinX, m_fMaxY, m_fMaxX, m_fMaxY); | ||||
475 | drawLine(rRenderContext, m_fMinX, m_fMinY, m_fMinX, m_fMaxY); | ||||
476 | drawLine(rRenderContext, m_fMaxX, m_fMinY, m_fMaxX, m_fMaxY); | ||||
477 | } | ||||
478 | |||||
479 | void GridWindow::drawOriginal(vcl::RenderContext& rRenderContext) | ||||
480 | { | ||||
481 | if (m_nValues && m_pXValues && m_pOrigYValues) | ||||
482 | { | ||||
483 | rRenderContext.SetLineColor(COL_RED); | ||||
484 | for (int i = 0; i < m_nValues - 1; i++) | ||||
485 | { | ||||
486 | drawLine(rRenderContext, | ||||
487 | m_pXValues[i], m_pOrigYValues[i], | ||||
488 | m_pXValues[i + 1], m_pOrigYValues[i + 1]); | ||||
489 | } | ||||
490 | } | ||||
491 | } | ||||
492 | |||||
493 | void GridWindow::drawNew(vcl::RenderContext& rRenderContext) | ||||
494 | { | ||||
495 | if (m_nValues && m_pXValues && m_pNewYValues) | ||||
496 | { | ||||
497 | rRenderContext.SetClipRegion(vcl::Region(m_aGridArea)); | ||||
498 | rRenderContext.SetLineColor(COL_YELLOW); | ||||
499 | for (int i = 0; i < m_nValues - 1; i++) | ||||
500 | { | ||||
501 | drawLine(rRenderContext, | ||||
502 | m_pXValues[i], m_pNewYValues[i], | ||||
503 | m_pXValues[i + 1], m_pNewYValues[i + 1]); | ||||
504 | } | ||||
505 | rRenderContext.SetClipRegion(); | ||||
506 | } | ||||
507 | } | ||||
508 | |||||
509 | void GridWindow::drawHandles(vcl::RenderContext& rRenderContext) | ||||
510 | { | ||||
511 | for(impHandle & rHandle : m_aHandles) | ||||
512 | { | ||||
513 | rHandle.draw(rRenderContext, m_aMarkerBitmap); | ||||
514 | } | ||||
515 | } | ||||
516 | |||||
517 | void GridWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&) | ||||
518 | { | ||||
519 | rRenderContext.SetBackground(Wallpaper(Application::GetSettings().GetStyleSettings().GetDialogColor())); | ||||
520 | drawGrid(rRenderContext); | ||||
521 | drawOriginal(rRenderContext); | ||||
522 | drawNew(rRenderContext); | ||||
523 | drawHandles(rRenderContext); | ||||
524 | } | ||||
525 | |||||
526 | bool GridWindow::MouseMove( const MouseEvent& rEvt ) | ||||
527 | { | ||||
528 | if( rEvt.GetButtons() == MOUSE_LEFT(sal_uInt16(0x0001)) && m_nDragIndex != npos ) | ||||
529 | { | ||||
530 | Point aPoint( rEvt.GetPosPixel() ); | ||||
531 | |||||
532 | if( m_nDragIndex == 0 || m_nDragIndex == m_aHandles.size() - 1) | ||||
533 | { | ||||
534 | aPoint.setX( m_aHandles[m_nDragIndex].maPos.X() ); | ||||
535 | } | ||||
536 | else | ||||
537 | { | ||||
538 | if(aPoint.X() < m_aGridArea.Left()) | ||||
539 | aPoint.setX( m_aGridArea.Left() ); | ||||
540 | else if(aPoint.X() > m_aGridArea.Right()) | ||||
541 | aPoint.setX( m_aGridArea.Right() ); | ||||
542 | } | ||||
543 | |||||
544 | if( aPoint.Y() < m_aGridArea.Top() ) | ||||
545 | aPoint.setY( m_aGridArea.Top() ); | ||||
546 | else if( aPoint.Y() > m_aGridArea.Bottom() ) | ||||
547 | aPoint.setY( m_aGridArea.Bottom() ); | ||||
548 | |||||
549 | if( aPoint != m_aHandles[m_nDragIndex].maPos ) | ||||
550 | { | ||||
551 | m_aHandles[m_nDragIndex].maPos = aPoint; | ||||
552 | Invalidate( m_aGridArea ); | ||||
553 | } | ||||
554 | } | ||||
555 | |||||
556 | return false; | ||||
557 | } | ||||
558 | |||||
559 | bool GridWindow::MouseButtonUp( const MouseEvent& rEvt ) | ||||
560 | { | ||||
561 | if( rEvt.GetButtons() == MOUSE_LEFT(sal_uInt16(0x0001)) ) | ||||
562 | { | ||||
563 | if( m_nDragIndex != npos ) | ||||
564 | { | ||||
565 | m_nDragIndex = npos; | ||||
566 | computeNew(); | ||||
567 | Invalidate(m_aGridArea); | ||||
568 | } | ||||
569 | } | ||||
570 | |||||
571 | return false; | ||||
572 | } | ||||
573 | |||||
574 | bool GridWindow::MouseButtonDown( const MouseEvent& rEvt ) | ||||
575 | { | ||||
576 | Point aPoint( rEvt.GetPosPixel() ); | ||||
577 | Handles::size_type nMarkerIndex = npos; | ||||
578 | |||||
579 | for(Handles::size_type a(0); nMarkerIndex == npos && a < m_aHandles.size(); a++) | ||||
580 | { | ||||
581 | if(m_aHandles[a].isHit(GetDrawingArea()->get_ref_device(), aPoint)) | ||||
582 | { | ||||
583 | nMarkerIndex = a; | ||||
584 | } | ||||
585 | } | ||||
586 | |||||
587 | if( rEvt.GetButtons() == MOUSE_LEFT(sal_uInt16(0x0001)) ) | ||||
588 | { | ||||
589 | // user wants to drag a button | ||||
590 | if( nMarkerIndex != npos ) | ||||
591 | { | ||||
592 | m_nDragIndex = nMarkerIndex; | ||||
593 | } | ||||
594 | } | ||||
595 | else if( rEvt.GetButtons() == MOUSE_RIGHT(sal_uInt16(0x0004)) ) | ||||
596 | { | ||||
597 | // user wants to add/delete a button | ||||
598 | if( nMarkerIndex != npos ) | ||||
599 | { | ||||
600 | if( nMarkerIndex != 0 && nMarkerIndex != m_aHandles.size() - 1) | ||||
601 | { | ||||
602 | // delete marker under mouse | ||||
603 | if( m_nDragIndex == nMarkerIndex ) | ||||
604 | m_nDragIndex = npos; | ||||
605 | |||||
606 | m_aHandles.erase(m_aHandles.begin() + nMarkerIndex); | ||||
607 | } | ||||
608 | } | ||||
609 | else | ||||
610 | { | ||||
611 | m_BmOffX = sal_uInt16(m_aMarkerBitmap.GetSizePixel().Width() >> 1); | ||||
612 | m_BmOffY = sal_uInt16(m_aMarkerBitmap.GetSizePixel().Height() >> 1); | ||||
613 | m_aHandles.push_back(impHandle(aPoint, m_BmOffX, m_BmOffY)); | ||||
614 | } | ||||
615 | |||||
616 | computeNew(); | ||||
617 | Invalidate(m_aGridArea); | ||||
618 | } | ||||
619 | |||||
620 | return false; | ||||
621 | } | ||||
622 | |||||
623 | void GridWindow::ChangeMode(ResetType nType) | ||||
624 | { | ||||
625 | switch( nType ) | ||||
626 | { | ||||
627 | case ResetType::LINEAR_ASCENDING: | ||||
628 | { | ||||
629 | for( int i = 0; i < m_nValues; i++ ) | ||||
630 | { | ||||
631 | m_pNewYValues[ i ] = m_fMinY + (m_fMaxY-m_fMinY)/(m_fMaxX-m_fMinX)*(m_pXValues[i]-m_fMinX); | ||||
632 | } | ||||
633 | } | ||||
634 | break; | ||||
635 | case ResetType::LINEAR_DESCENDING: | ||||
636 | { | ||||
637 | for( int i = 0; i < m_nValues; i++ ) | ||||
638 | { | ||||
639 | m_pNewYValues[ i ] = m_fMaxY - (m_fMaxY-m_fMinY)/(m_fMaxX-m_fMinX)*(m_pXValues[i]-m_fMinX); | ||||
640 | } | ||||
641 | } | ||||
642 | break; | ||||
643 | case ResetType::RESET: | ||||
644 | { | ||||
645 | if( m_pOrigYValues && m_pNewYValues && m_nValues ) | ||||
646 | memcpy( m_pNewYValues.get(), m_pOrigYValues, m_nValues*sizeof(double) ); | ||||
647 | } | ||||
648 | break; | ||||
649 | case ResetType::EXPONENTIAL: | ||||
650 | { | ||||
651 | for( int i = 0; i < m_nValues; i++ ) | ||||
652 | { | ||||
653 | m_pNewYValues[ i ] = m_fMinY + (m_fMaxY-m_fMinY)*(boost::math::expm1((m_pXValues[i]-m_fMinX)/(m_fMaxX-m_fMinX)))/(M_E2.7182818284590452354-1.0); | ||||
654 | } | ||||
655 | } | ||||
656 | break; | ||||
657 | |||||
658 | default: | ||||
659 | break; | ||||
660 | } | ||||
661 | |||||
662 | if (m_pNewYValues) | ||||
663 | { | ||||
664 | for(size_t i(0); i < m_aHandles.size(); i++) | ||||
665 | { | ||||
666 | // find nearest xvalue | ||||
667 | double x, y; | ||||
668 | transform( m_aHandles[i].maPos, x, y ); | ||||
669 | int nIndex = 0; | ||||
670 | double delta = std::fabs( x-m_pXValues[0] ); | ||||
| |||||
671 | for( int n = 1; n < m_nValues; n++ ) | ||||
672 | { | ||||
673 | if( delta > std::fabs( x - m_pXValues[ n ] ) ) | ||||
674 | { | ||||
675 | delta = std::fabs( x - m_pXValues[ n ] ); | ||||
676 | nIndex = n; | ||||
677 | } | ||||
678 | } | ||||
679 | if( 0 == i ) | ||||
680 | m_aHandles[i].maPos = transform( m_fMinX, m_pNewYValues[ nIndex ] ); | ||||
681 | else if( m_aHandles.size() - 1 == i ) | ||||
682 | m_aHandles[i].maPos = transform( m_fMaxX, m_pNewYValues[ nIndex ] ); | ||||
683 | else | ||||
684 | m_aHandles[i].maPos = transform( m_pXValues[ nIndex ], m_pNewYValues[ nIndex ] ); | ||||
685 | } | ||||
686 | } | ||||
687 | |||||
688 | Invalidate(); | ||||
689 | } | ||||
690 | |||||
691 | IMPL_LINK_NOARG(GridDialog, ClickButtonHdl, weld::Button&, void)void GridDialog::LinkStubClickButtonHdl(void * instance, weld ::Button& data) { return static_cast<GridDialog *>( instance)->ClickButtonHdl(data); } void GridDialog::ClickButtonHdl (__attribute__ ((unused)) weld::Button&) | ||||
| |||||
692 | { | ||||
693 | int nType = m_xResetTypeBox->get_active(); | ||||
694 | m_xGridWindow->ChangeMode(static_cast<ResetType>(nType)); | ||||
695 | } | ||||
696 | |||||
697 | double* GridDialog::getNewYValues() | ||||
698 | { | ||||
699 | return m_xGridWindow->getNewYValues(); | ||||
700 | } | ||||
701 | |||||
702 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
1 | // unique_ptr implementation -*- C++ -*- |
2 | |
3 | // Copyright (C) 2008-2020 Free Software Foundation, Inc. |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free |
6 | // software; you can redistribute it and/or modify it under the |
7 | // terms of the GNU General Public License as published by the |
8 | // Free Software Foundation; either version 3, or (at your option) |
9 | // any later version. |
10 | |
11 | // This library is distributed in the hope that it will be useful, |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. |
15 | |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version |
18 | // 3.1, as published by the Free Software Foundation. |
19 | |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
23 | // <http://www.gnu.org/licenses/>. |
24 | |
25 | /** @file bits/unique_ptr.h |
26 | * This is an internal header file, included by other library headers. |
27 | * Do not attempt to use it directly. @headername{memory} |
28 | */ |
29 | |
30 | #ifndef _UNIQUE_PTR_H1 |
31 | #define _UNIQUE_PTR_H1 1 |
32 | |
33 | #include <bits/c++config.h> |
34 | #include <debug/assertions.h> |
35 | #include <type_traits> |
36 | #include <utility> |
37 | #include <tuple> |
38 | #include <bits/stl_function.h> |
39 | #include <bits/functional_hash.h> |
40 | #if __cplusplus201703L > 201703L |
41 | # include <compare> |
42 | # include <ostream> |
43 | #endif |
44 | |
45 | namespace std _GLIBCXX_VISIBILITY(default)__attribute__ ((__visibility__ ("default"))) |
46 | { |
47 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
48 | |
49 | /** |
50 | * @addtogroup pointer_abstractions |
51 | * @{ |
52 | */ |
53 | |
54 | #if _GLIBCXX_USE_DEPRECATED1 |
55 | #pragma GCC diagnostic push |
56 | #pragma GCC diagnostic ignored "-Wdeprecated-declarations" |
57 | template<typename> class auto_ptr; |
58 | #pragma GCC diagnostic pop |
59 | #endif |
60 | |
61 | /// Primary template of default_delete, used by unique_ptr for single objects |
62 | template<typename _Tp> |
63 | struct default_delete |
64 | { |
65 | /// Default constructor |
66 | constexpr default_delete() noexcept = default; |
67 | |
68 | /** @brief Converting constructor. |
69 | * |
70 | * Allows conversion from a deleter for objects of another type, `_Up`, |
71 | * only if `_Up*` is convertible to `_Tp*`. |
72 | */ |
73 | template<typename _Up, |
74 | typename = _Require<is_convertible<_Up*, _Tp*>>> |
75 | default_delete(const default_delete<_Up>&) noexcept { } |
76 | |
77 | /// Calls `delete __ptr` |
78 | void |
79 | operator()(_Tp* __ptr) const |
80 | { |
81 | static_assert(!is_void<_Tp>::value, |
82 | "can't delete pointer to incomplete type"); |
83 | static_assert(sizeof(_Tp)>0, |
84 | "can't delete pointer to incomplete type"); |
85 | delete __ptr; |
86 | } |
87 | }; |
88 | |
89 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
90 | // DR 740 - omit specialization for array objects with a compile time length |
91 | |
92 | /// Specialization of default_delete for arrays, used by `unique_ptr<T[]>` |
93 | template<typename _Tp> |
94 | struct default_delete<_Tp[]> |
95 | { |
96 | public: |
97 | /// Default constructor |
98 | constexpr default_delete() noexcept = default; |
99 | |
100 | /** @brief Converting constructor. |
101 | * |
102 | * Allows conversion from a deleter for arrays of another type, such as |
103 | * a const-qualified version of `_Tp`. |
104 | * |
105 | * Conversions from types derived from `_Tp` are not allowed because |
106 | * it is undefined to `delete[]` an array of derived types through a |
107 | * pointer to the base type. |
108 | */ |
109 | template<typename _Up, |
110 | typename = _Require<is_convertible<_Up(*)[], _Tp(*)[]>>> |
111 | default_delete(const default_delete<_Up[]>&) noexcept { } |
112 | |
113 | /// Calls `delete[] __ptr` |
114 | template<typename _Up> |
115 | typename enable_if<is_convertible<_Up(*)[], _Tp(*)[]>::value>::type |
116 | operator()(_Up* __ptr) const |
117 | { |
118 | static_assert(sizeof(_Tp)>0, |
119 | "can't delete pointer to incomplete type"); |
120 | delete [] __ptr; |
121 | } |
122 | }; |
123 | |
124 | /// @cond undocumented |
125 | |
126 | // Manages the pointer and deleter of a unique_ptr |
127 | template <typename _Tp, typename _Dp> |
128 | class __uniq_ptr_impl |
129 | { |
130 | template <typename _Up, typename _Ep, typename = void> |
131 | struct _Ptr |
132 | { |
133 | using type = _Up*; |
134 | }; |
135 | |
136 | template <typename _Up, typename _Ep> |
137 | struct |
138 | _Ptr<_Up, _Ep, __void_t<typename remove_reference<_Ep>::type::pointer>> |
139 | { |
140 | using type = typename remove_reference<_Ep>::type::pointer; |
141 | }; |
142 | |
143 | public: |
144 | using _DeleterConstraint = enable_if< |
145 | __and_<__not_<is_pointer<_Dp>>, |
146 | is_default_constructible<_Dp>>::value>; |
147 | |
148 | using pointer = typename _Ptr<_Tp, _Dp>::type; |
149 | |
150 | static_assert( !is_rvalue_reference<_Dp>::value, |
151 | "unique_ptr's deleter type must be a function object type" |
152 | " or an lvalue reference type" ); |
153 | |
154 | __uniq_ptr_impl() = default; |
155 | __uniq_ptr_impl(pointer __p) : _M_t() { _M_ptr() = __p; } |
156 | |
157 | template<typename _Del> |
158 | __uniq_ptr_impl(pointer __p, _Del&& __d) |
159 | : _M_t(__p, std::forward<_Del>(__d)) { } |
160 | |
161 | __uniq_ptr_impl(__uniq_ptr_impl&& __u) noexcept |
162 | : _M_t(std::move(__u._M_t)) |
163 | { __u._M_ptr() = nullptr; } |
164 | |
165 | __uniq_ptr_impl& operator=(__uniq_ptr_impl&& __u) noexcept |
166 | { |
167 | reset(__u.release()); |
168 | _M_deleter() = std::forward<_Dp>(__u._M_deleter()); |
169 | return *this; |
170 | } |
171 | |
172 | pointer& _M_ptr() { return std::get<0>(_M_t); } |
173 | pointer _M_ptr() const { return std::get<0>(_M_t); } |
174 | _Dp& _M_deleter() { return std::get<1>(_M_t); } |
175 | const _Dp& _M_deleter() const { return std::get<1>(_M_t); } |
176 | |
177 | void reset(pointer __p) noexcept |
178 | { |
179 | const pointer __old_p = _M_ptr(); |
180 | _M_ptr() = __p; |
181 | if (__old_p) |
182 | _M_deleter()(__old_p); |
183 | } |
184 | |
185 | pointer release() noexcept |
186 | { |
187 | pointer __p = _M_ptr(); |
188 | _M_ptr() = nullptr; |
189 | return __p; |
190 | } |
191 | |
192 | void |
193 | swap(__uniq_ptr_impl& __rhs) noexcept |
194 | { |
195 | using std::swap; |
196 | swap(this->_M_ptr(), __rhs._M_ptr()); |
197 | swap(this->_M_deleter(), __rhs._M_deleter()); |
198 | } |
199 | |
200 | private: |
201 | tuple<pointer, _Dp> _M_t; |
202 | }; |
203 | |
204 | // Defines move construction + assignment as either defaulted or deleted. |
205 | template <typename _Tp, typename _Dp, |
206 | bool = is_move_constructible<_Dp>::value, |
207 | bool = is_move_assignable<_Dp>::value> |
208 | struct __uniq_ptr_data : __uniq_ptr_impl<_Tp, _Dp> |
209 | { |
210 | using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl; |
211 | __uniq_ptr_data(__uniq_ptr_data&&) = default; |
212 | __uniq_ptr_data& operator=(__uniq_ptr_data&&) = default; |
213 | }; |
214 | |
215 | template <typename _Tp, typename _Dp> |
216 | struct __uniq_ptr_data<_Tp, _Dp, true, false> : __uniq_ptr_impl<_Tp, _Dp> |
217 | { |
218 | using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl; |
219 | __uniq_ptr_data(__uniq_ptr_data&&) = default; |
220 | __uniq_ptr_data& operator=(__uniq_ptr_data&&) = delete; |
221 | }; |
222 | |
223 | template <typename _Tp, typename _Dp> |
224 | struct __uniq_ptr_data<_Tp, _Dp, false, true> : __uniq_ptr_impl<_Tp, _Dp> |
225 | { |
226 | using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl; |
227 | __uniq_ptr_data(__uniq_ptr_data&&) = delete; |
228 | __uniq_ptr_data& operator=(__uniq_ptr_data&&) = default; |
229 | }; |
230 | |
231 | template <typename _Tp, typename _Dp> |
232 | struct __uniq_ptr_data<_Tp, _Dp, false, false> : __uniq_ptr_impl<_Tp, _Dp> |
233 | { |
234 | using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl; |
235 | __uniq_ptr_data(__uniq_ptr_data&&) = delete; |
236 | __uniq_ptr_data& operator=(__uniq_ptr_data&&) = delete; |
237 | }; |
238 | /// @endcond |
239 | |
240 | /// 20.7.1.2 unique_ptr for single objects. |
241 | template <typename _Tp, typename _Dp = default_delete<_Tp>> |
242 | class unique_ptr |
243 | { |
244 | template <typename _Up> |
245 | using _DeleterConstraint = |
246 | typename __uniq_ptr_impl<_Tp, _Up>::_DeleterConstraint::type; |
247 | |
248 | __uniq_ptr_data<_Tp, _Dp> _M_t; |
249 | |
250 | public: |
251 | using pointer = typename __uniq_ptr_impl<_Tp, _Dp>::pointer; |
252 | using element_type = _Tp; |
253 | using deleter_type = _Dp; |
254 | |
255 | private: |
256 | // helper template for detecting a safe conversion from another |
257 | // unique_ptr |
258 | template<typename _Up, typename _Ep> |
259 | using __safe_conversion_up = __and_< |
260 | is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>, |
261 | __not_<is_array<_Up>> |
262 | >; |
263 | |
264 | public: |
265 | // Constructors. |
266 | |
267 | /// Default constructor, creates a unique_ptr that owns nothing. |
268 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
269 | constexpr unique_ptr() noexcept |
270 | : _M_t() |
271 | { } |
272 | |
273 | /** Takes ownership of a pointer. |
274 | * |
275 | * @param __p A pointer to an object of @c element_type |
276 | * |
277 | * The deleter will be value-initialized. |
278 | */ |
279 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
280 | explicit |
281 | unique_ptr(pointer __p) noexcept |
282 | : _M_t(__p) |
283 | { } |
284 | |
285 | /** Takes ownership of a pointer. |
286 | * |
287 | * @param __p A pointer to an object of @c element_type |
288 | * @param __d A reference to a deleter. |
289 | * |
290 | * The deleter will be initialized with @p __d |
291 | */ |
292 | template<typename _Del = deleter_type, |
293 | typename = _Require<is_copy_constructible<_Del>>> |
294 | unique_ptr(pointer __p, const deleter_type& __d) noexcept |
295 | : _M_t(__p, __d) { } |
296 | |
297 | /** Takes ownership of a pointer. |
298 | * |
299 | * @param __p A pointer to an object of @c element_type |
300 | * @param __d An rvalue reference to a (non-reference) deleter. |
301 | * |
302 | * The deleter will be initialized with @p std::move(__d) |
303 | */ |
304 | template<typename _Del = deleter_type, |
305 | typename = _Require<is_move_constructible<_Del>>> |
306 | unique_ptr(pointer __p, |
307 | __enable_if_t<!is_lvalue_reference<_Del>::value, |
308 | _Del&&> __d) noexcept |
309 | : _M_t(__p, std::move(__d)) |
310 | { } |
311 | |
312 | template<typename _Del = deleter_type, |
313 | typename _DelUnref = typename remove_reference<_Del>::type> |
314 | unique_ptr(pointer, |
315 | __enable_if_t<is_lvalue_reference<_Del>::value, |
316 | _DelUnref&&>) = delete; |
317 | |
318 | /// Creates a unique_ptr that owns nothing. |
319 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
320 | constexpr unique_ptr(nullptr_t) noexcept |
321 | : _M_t() |
322 | { } |
323 | |
324 | // Move constructors. |
325 | |
326 | /// Move constructor. |
327 | unique_ptr(unique_ptr&&) = default; |
328 | |
329 | /** @brief Converting constructor from another type |
330 | * |
331 | * Requires that the pointer owned by @p __u is convertible to the |
332 | * type of pointer owned by this object, @p __u does not own an array, |
333 | * and @p __u has a compatible deleter type. |
334 | */ |
335 | template<typename _Up, typename _Ep, typename = _Require< |
336 | __safe_conversion_up<_Up, _Ep>, |
337 | typename conditional<is_reference<_Dp>::value, |
338 | is_same<_Ep, _Dp>, |
339 | is_convertible<_Ep, _Dp>>::type>> |
340 | unique_ptr(unique_ptr<_Up, _Ep>&& __u) noexcept |
341 | : _M_t(__u.release(), std::forward<_Ep>(__u.get_deleter())) |
342 | { } |
343 | |
344 | #if _GLIBCXX_USE_DEPRECATED1 |
345 | #pragma GCC diagnostic push |
346 | #pragma GCC diagnostic ignored "-Wdeprecated-declarations" |
347 | /// Converting constructor from @c auto_ptr |
348 | template<typename _Up, typename = _Require< |
349 | is_convertible<_Up*, _Tp*>, is_same<_Dp, default_delete<_Tp>>>> |
350 | unique_ptr(auto_ptr<_Up>&& __u) noexcept; |
351 | #pragma GCC diagnostic pop |
352 | #endif |
353 | |
354 | /// Destructor, invokes the deleter if the stored pointer is not null. |
355 | ~unique_ptr() noexcept |
356 | { |
357 | static_assert(__is_invocable<deleter_type&, pointer>::value, |
358 | "unique_ptr's deleter must be invocable with a pointer"); |
359 | auto& __ptr = _M_t._M_ptr(); |
360 | if (__ptr != nullptr) |
361 | get_deleter()(std::move(__ptr)); |
362 | __ptr = pointer(); |
363 | } |
364 | |
365 | // Assignment. |
366 | |
367 | /** @brief Move assignment operator. |
368 | * |
369 | * Invokes the deleter if this object owns a pointer. |
370 | */ |
371 | unique_ptr& operator=(unique_ptr&&) = default; |
372 | |
373 | /** @brief Assignment from another type. |
374 | * |
375 | * @param __u The object to transfer ownership from, which owns a |
376 | * convertible pointer to a non-array object. |
377 | * |
378 | * Invokes the deleter if this object owns a pointer. |
379 | */ |
380 | template<typename _Up, typename _Ep> |
381 | typename enable_if< __and_< |
382 | __safe_conversion_up<_Up, _Ep>, |
383 | is_assignable<deleter_type&, _Ep&&> |
384 | >::value, |
385 | unique_ptr&>::type |
386 | operator=(unique_ptr<_Up, _Ep>&& __u) noexcept |
387 | { |
388 | reset(__u.release()); |
389 | get_deleter() = std::forward<_Ep>(__u.get_deleter()); |
390 | return *this; |
391 | } |
392 | |
393 | /// Reset the %unique_ptr to empty, invoking the deleter if necessary. |
394 | unique_ptr& |
395 | operator=(nullptr_t) noexcept |
396 | { |
397 | reset(); |
398 | return *this; |
399 | } |
400 | |
401 | // Observers. |
402 | |
403 | /// Dereference the stored pointer. |
404 | typename add_lvalue_reference<element_type>::type |
405 | operator*() const |
406 | { |
407 | __glibcxx_assert(get() != pointer()); |
408 | return *get(); |
409 | } |
410 | |
411 | /// Return the stored pointer. |
412 | pointer |
413 | operator->() const noexcept |
414 | { |
415 | _GLIBCXX_DEBUG_PEDASSERT(get() != pointer()); |
416 | return get(); |
417 | } |
418 | |
419 | /// Return the stored pointer. |
420 | pointer |
421 | get() const noexcept |
422 | { return _M_t._M_ptr(); } |
423 | |
424 | /// Return a reference to the stored deleter. |
425 | deleter_type& |
426 | get_deleter() noexcept |
427 | { return _M_t._M_deleter(); } |
428 | |
429 | /// Return a reference to the stored deleter. |
430 | const deleter_type& |
431 | get_deleter() const noexcept |
432 | { return _M_t._M_deleter(); } |
433 | |
434 | /// Return @c true if the stored pointer is not null. |
435 | explicit operator bool() const noexcept |
436 | { return get() == pointer() ? false : true; } |
437 | |
438 | // Modifiers. |
439 | |
440 | /// Release ownership of any stored pointer. |
441 | pointer |
442 | release() noexcept |
443 | { return _M_t.release(); } |
444 | |
445 | /** @brief Replace the stored pointer. |
446 | * |
447 | * @param __p The new pointer to store. |
448 | * |
449 | * The deleter will be invoked if a pointer is already owned. |
450 | */ |
451 | void |
452 | reset(pointer __p = pointer()) noexcept |
453 | { |
454 | static_assert(__is_invocable<deleter_type&, pointer>::value, |
455 | "unique_ptr's deleter must be invocable with a pointer"); |
456 | _M_t.reset(std::move(__p)); |
457 | } |
458 | |
459 | /// Exchange the pointer and deleter with another object. |
460 | void |
461 | swap(unique_ptr& __u) noexcept |
462 | { |
463 | static_assert(__is_swappable<_Dp>::value, "deleter must be swappable"); |
464 | _M_t.swap(__u._M_t); |
465 | } |
466 | |
467 | // Disable copy from lvalue. |
468 | unique_ptr(const unique_ptr&) = delete; |
469 | unique_ptr& operator=(const unique_ptr&) = delete; |
470 | }; |
471 | |
472 | /// 20.7.1.3 unique_ptr for array objects with a runtime length |
473 | // [unique.ptr.runtime] |
474 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
475 | // DR 740 - omit specialization for array objects with a compile time length |
476 | template<typename _Tp, typename _Dp> |
477 | class unique_ptr<_Tp[], _Dp> |
478 | { |
479 | template <typename _Up> |
480 | using _DeleterConstraint = |
481 | typename __uniq_ptr_impl<_Tp, _Up>::_DeleterConstraint::type; |
482 | |
483 | __uniq_ptr_data<_Tp, _Dp> _M_t; |
484 | |
485 | template<typename _Up> |
486 | using __remove_cv = typename remove_cv<_Up>::type; |
487 | |
488 | // like is_base_of<_Tp, _Up> but false if unqualified types are the same |
489 | template<typename _Up> |
490 | using __is_derived_Tp |
491 | = __and_< is_base_of<_Tp, _Up>, |
492 | __not_<is_same<__remove_cv<_Tp>, __remove_cv<_Up>>> >; |
493 | |
494 | public: |
495 | using pointer = typename __uniq_ptr_impl<_Tp, _Dp>::pointer; |
496 | using element_type = _Tp; |
497 | using deleter_type = _Dp; |
498 | |
499 | // helper template for detecting a safe conversion from another |
500 | // unique_ptr |
501 | template<typename _Up, typename _Ep, |
502 | typename _UPtr = unique_ptr<_Up, _Ep>, |
503 | typename _UP_pointer = typename _UPtr::pointer, |
504 | typename _UP_element_type = typename _UPtr::element_type> |
505 | using __safe_conversion_up = __and_< |
506 | is_array<_Up>, |
507 | is_same<pointer, element_type*>, |
508 | is_same<_UP_pointer, _UP_element_type*>, |
509 | is_convertible<_UP_element_type(*)[], element_type(*)[]> |
510 | >; |
511 | |
512 | // helper template for detecting a safe conversion from a raw pointer |
513 | template<typename _Up> |
514 | using __safe_conversion_raw = __and_< |
515 | __or_<__or_<is_same<_Up, pointer>, |
516 | is_same<_Up, nullptr_t>>, |
517 | __and_<is_pointer<_Up>, |
518 | is_same<pointer, element_type*>, |
519 | is_convertible< |
520 | typename remove_pointer<_Up>::type(*)[], |
521 | element_type(*)[]> |
522 | > |
523 | > |
524 | >; |
525 | |
526 | // Constructors. |
527 | |
528 | /// Default constructor, creates a unique_ptr that owns nothing. |
529 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
530 | constexpr unique_ptr() noexcept |
531 | : _M_t() |
532 | { } |
533 | |
534 | /** Takes ownership of a pointer. |
535 | * |
536 | * @param __p A pointer to an array of a type safely convertible |
537 | * to an array of @c element_type |
538 | * |
539 | * The deleter will be value-initialized. |
540 | */ |
541 | template<typename _Up, |
542 | typename _Vp = _Dp, |
543 | typename = _DeleterConstraint<_Vp>, |
544 | typename = typename enable_if< |
545 | __safe_conversion_raw<_Up>::value, bool>::type> |
546 | explicit |
547 | unique_ptr(_Up __p) noexcept |
548 | : _M_t(__p) |
549 | { } |
550 | |
551 | /** Takes ownership of a pointer. |
552 | * |
553 | * @param __p A pointer to an array of a type safely convertible |
554 | * to an array of @c element_type |
555 | * @param __d A reference to a deleter. |
556 | * |
557 | * The deleter will be initialized with @p __d |
558 | */ |
559 | template<typename _Up, typename _Del = deleter_type, |
560 | typename = _Require<__safe_conversion_raw<_Up>, |
561 | is_copy_constructible<_Del>>> |
562 | unique_ptr(_Up __p, const deleter_type& __d) noexcept |
563 | : _M_t(__p, __d) { } |
564 | |
565 | /** Takes ownership of a pointer. |
566 | * |
567 | * @param __p A pointer to an array of a type safely convertible |
568 | * to an array of @c element_type |
569 | * @param __d A reference to a deleter. |
570 | * |
571 | * The deleter will be initialized with @p std::move(__d) |
572 | */ |
573 | template<typename _Up, typename _Del = deleter_type, |
574 | typename = _Require<__safe_conversion_raw<_Up>, |
575 | is_move_constructible<_Del>>> |
576 | unique_ptr(_Up __p, |
577 | __enable_if_t<!is_lvalue_reference<_Del>::value, |
578 | _Del&&> __d) noexcept |
579 | : _M_t(std::move(__p), std::move(__d)) |
580 | { } |
581 | |
582 | template<typename _Up, typename _Del = deleter_type, |
583 | typename _DelUnref = typename remove_reference<_Del>::type, |
584 | typename = _Require<__safe_conversion_raw<_Up>>> |
585 | unique_ptr(_Up, |
586 | __enable_if_t<is_lvalue_reference<_Del>::value, |
587 | _DelUnref&&>) = delete; |
588 | |
589 | /// Move constructor. |
590 | unique_ptr(unique_ptr&&) = default; |
591 | |
592 | /// Creates a unique_ptr that owns nothing. |
593 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
594 | constexpr unique_ptr(nullptr_t) noexcept |
595 | : _M_t() |
596 | { } |
597 | |
598 | template<typename _Up, typename _Ep, typename = _Require< |
599 | __safe_conversion_up<_Up, _Ep>, |
600 | typename conditional<is_reference<_Dp>::value, |
601 | is_same<_Ep, _Dp>, |
602 | is_convertible<_Ep, _Dp>>::type>> |
603 | unique_ptr(unique_ptr<_Up, _Ep>&& __u) noexcept |
604 | : _M_t(__u.release(), std::forward<_Ep>(__u.get_deleter())) |
605 | { } |
606 | |
607 | /// Destructor, invokes the deleter if the stored pointer is not null. |
608 | ~unique_ptr() |
609 | { |
610 | auto& __ptr = _M_t._M_ptr(); |
611 | if (__ptr != nullptr) |
612 | get_deleter()(__ptr); |
613 | __ptr = pointer(); |
614 | } |
615 | |
616 | // Assignment. |
617 | |
618 | /** @brief Move assignment operator. |
619 | * |
620 | * Invokes the deleter if this object owns a pointer. |
621 | */ |
622 | unique_ptr& |
623 | operator=(unique_ptr&&) = default; |
624 | |
625 | /** @brief Assignment from another type. |
626 | * |
627 | * @param __u The object to transfer ownership from, which owns a |
628 | * convertible pointer to an array object. |
629 | * |
630 | * Invokes the deleter if this object owns a pointer. |
631 | */ |
632 | template<typename _Up, typename _Ep> |
633 | typename |
634 | enable_if<__and_<__safe_conversion_up<_Up, _Ep>, |
635 | is_assignable<deleter_type&, _Ep&&> |
636 | >::value, |
637 | unique_ptr&>::type |
638 | operator=(unique_ptr<_Up, _Ep>&& __u) noexcept |
639 | { |
640 | reset(__u.release()); |
641 | get_deleter() = std::forward<_Ep>(__u.get_deleter()); |
642 | return *this; |
643 | } |
644 | |
645 | /// Reset the %unique_ptr to empty, invoking the deleter if necessary. |
646 | unique_ptr& |
647 | operator=(nullptr_t) noexcept |
648 | { |
649 | reset(); |
650 | return *this; |
651 | } |
652 | |
653 | // Observers. |
654 | |
655 | /// Access an element of owned array. |
656 | typename std::add_lvalue_reference<element_type>::type |
657 | operator[](size_t __i) const |
658 | { |
659 | __glibcxx_assert(get() != pointer()); |
660 | return get()[__i]; |
661 | } |
662 | |
663 | /// Return the stored pointer. |
664 | pointer |
665 | get() const noexcept |
666 | { return _M_t._M_ptr(); } |
667 | |
668 | /// Return a reference to the stored deleter. |
669 | deleter_type& |
670 | get_deleter() noexcept |
671 | { return _M_t._M_deleter(); } |
672 | |
673 | /// Return a reference to the stored deleter. |
674 | const deleter_type& |
675 | get_deleter() const noexcept |
676 | { return _M_t._M_deleter(); } |
677 | |
678 | /// Return @c true if the stored pointer is not null. |
679 | explicit operator bool() const noexcept |
680 | { return get() == pointer() ? false : true; } |
681 | |
682 | // Modifiers. |
683 | |
684 | /// Release ownership of any stored pointer. |
685 | pointer |
686 | release() noexcept |
687 | { return _M_t.release(); } |
688 | |
689 | /** @brief Replace the stored pointer. |
690 | * |
691 | * @param __p The new pointer to store. |
692 | * |
693 | * The deleter will be invoked if a pointer is already owned. |
694 | */ |
695 | template <typename _Up, |
696 | typename = _Require< |
697 | __or_<is_same<_Up, pointer>, |
698 | __and_<is_same<pointer, element_type*>, |
699 | is_pointer<_Up>, |
700 | is_convertible< |
701 | typename remove_pointer<_Up>::type(*)[], |
702 | element_type(*)[] |
703 | > |
704 | > |
705 | > |
706 | >> |
707 | void |
708 | reset(_Up __p) noexcept |
709 | { _M_t.reset(std::move(__p)); } |
710 | |
711 | void reset(nullptr_t = nullptr) noexcept |
712 | { reset(pointer()); } |
713 | |
714 | /// Exchange the pointer and deleter with another object. |
715 | void |
716 | swap(unique_ptr& __u) noexcept |
717 | { |
718 | static_assert(__is_swappable<_Dp>::value, "deleter must be swappable"); |
719 | _M_t.swap(__u._M_t); |
720 | } |
721 | |
722 | // Disable copy from lvalue. |
723 | unique_ptr(const unique_ptr&) = delete; |
724 | unique_ptr& operator=(const unique_ptr&) = delete; |
725 | }; |
726 | |
727 | /// @relates unique_ptr @{ |
728 | |
729 | /// Swap overload for unique_ptr |
730 | template<typename _Tp, typename _Dp> |
731 | inline |
732 | #if __cplusplus201703L > 201402L || !defined(__STRICT_ANSI__1) // c++1z or gnu++11 |
733 | // Constrained free swap overload, see p0185r1 |
734 | typename enable_if<__is_swappable<_Dp>::value>::type |
735 | #else |
736 | void |
737 | #endif |
738 | swap(unique_ptr<_Tp, _Dp>& __x, |
739 | unique_ptr<_Tp, _Dp>& __y) noexcept |
740 | { __x.swap(__y); } |
741 | |
742 | #if __cplusplus201703L > 201402L || !defined(__STRICT_ANSI__1) // c++1z or gnu++11 |
743 | template<typename _Tp, typename _Dp> |
744 | typename enable_if<!__is_swappable<_Dp>::value>::type |
745 | swap(unique_ptr<_Tp, _Dp>&, |
746 | unique_ptr<_Tp, _Dp>&) = delete; |
747 | #endif |
748 | |
749 | /// Equality operator for unique_ptr objects, compares the owned pointers |
750 | template<typename _Tp, typename _Dp, |
751 | typename _Up, typename _Ep> |
752 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
753 | operator==(const unique_ptr<_Tp, _Dp>& __x, |
754 | const unique_ptr<_Up, _Ep>& __y) |
755 | { return __x.get() == __y.get(); } |
756 | |
757 | /// unique_ptr comparison with nullptr |
758 | template<typename _Tp, typename _Dp> |
759 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
760 | operator==(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) noexcept |
761 | { return !__x; } |
762 | |
763 | #ifndef __cpp_lib_three_way_comparison |
764 | /// unique_ptr comparison with nullptr |
765 | template<typename _Tp, typename _Dp> |
766 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
767 | operator==(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) noexcept |
768 | { return !__x; } |
769 | |
770 | /// Inequality operator for unique_ptr objects, compares the owned pointers |
771 | template<typename _Tp, typename _Dp, |
772 | typename _Up, typename _Ep> |
773 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
774 | operator!=(const unique_ptr<_Tp, _Dp>& __x, |
775 | const unique_ptr<_Up, _Ep>& __y) |
776 | { return __x.get() != __y.get(); } |
777 | |
778 | /// unique_ptr comparison with nullptr |
779 | template<typename _Tp, typename _Dp> |
780 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
781 | operator!=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) noexcept |
782 | { return (bool)__x; } |
783 | |
784 | /// unique_ptr comparison with nullptr |
785 | template<typename _Tp, typename _Dp> |
786 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
787 | operator!=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) noexcept |
788 | { return (bool)__x; } |
789 | #endif // three way comparison |
790 | |
791 | /// Relational operator for unique_ptr objects, compares the owned pointers |
792 | template<typename _Tp, typename _Dp, |
793 | typename _Up, typename _Ep> |
794 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
795 | operator<(const unique_ptr<_Tp, _Dp>& __x, |
796 | const unique_ptr<_Up, _Ep>& __y) |
797 | { |
798 | typedef typename |
799 | std::common_type<typename unique_ptr<_Tp, _Dp>::pointer, |
800 | typename unique_ptr<_Up, _Ep>::pointer>::type _CT; |
801 | return std::less<_CT>()(__x.get(), __y.get()); |
802 | } |
803 | |
804 | /// unique_ptr comparison with nullptr |
805 | template<typename _Tp, typename _Dp> |
806 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
807 | operator<(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
808 | { |
809 | return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(__x.get(), |
810 | nullptr); |
811 | } |
812 | |
813 | /// unique_ptr comparison with nullptr |
814 | template<typename _Tp, typename _Dp> |
815 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
816 | operator<(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) |
817 | { |
818 | return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(nullptr, |
819 | __x.get()); |
820 | } |
821 | |
822 | /// Relational operator for unique_ptr objects, compares the owned pointers |
823 | template<typename _Tp, typename _Dp, |
824 | typename _Up, typename _Ep> |
825 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
826 | operator<=(const unique_ptr<_Tp, _Dp>& __x, |
827 | const unique_ptr<_Up, _Ep>& __y) |
828 | { return !(__y < __x); } |
829 | |
830 | /// unique_ptr comparison with nullptr |
831 | template<typename _Tp, typename _Dp> |
832 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
833 | operator<=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
834 | { return !(nullptr < __x); } |
835 | |
836 | /// unique_ptr comparison with nullptr |
837 | template<typename _Tp, typename _Dp> |
838 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
839 | operator<=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) |
840 | { return !(__x < nullptr); } |
841 | |
842 | /// Relational operator for unique_ptr objects, compares the owned pointers |
843 | template<typename _Tp, typename _Dp, |
844 | typename _Up, typename _Ep> |
845 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
846 | operator>(const unique_ptr<_Tp, _Dp>& __x, |
847 | const unique_ptr<_Up, _Ep>& __y) |
848 | { return (__y < __x); } |
849 | |
850 | /// unique_ptr comparison with nullptr |
851 | template<typename _Tp, typename _Dp> |
852 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
853 | operator>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
854 | { |
855 | return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(nullptr, |
856 | __x.get()); |
857 | } |
858 | |
859 | /// unique_ptr comparison with nullptr |
860 | template<typename _Tp, typename _Dp> |
861 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
862 | operator>(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) |
863 | { |
864 | return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(__x.get(), |
865 | nullptr); |
866 | } |
867 | |
868 | /// Relational operator for unique_ptr objects, compares the owned pointers |
869 | template<typename _Tp, typename _Dp, |
870 | typename _Up, typename _Ep> |
871 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
872 | operator>=(const unique_ptr<_Tp, _Dp>& __x, |
873 | const unique_ptr<_Up, _Ep>& __y) |
874 | { return !(__x < __y); } |
875 | |
876 | /// unique_ptr comparison with nullptr |
877 | template<typename _Tp, typename _Dp> |
878 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
879 | operator>=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
880 | { return !(__x < nullptr); } |
881 | |
882 | /// unique_ptr comparison with nullptr |
883 | template<typename _Tp, typename _Dp> |
884 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
885 | operator>=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) |
886 | { return !(nullptr < __x); } |
887 | |
888 | #ifdef __cpp_lib_three_way_comparison |
889 | template<typename _Tp, typename _Dp, typename _Up, typename _Ep> |
890 | requires three_way_comparable_with<typename unique_ptr<_Tp, _Dp>::pointer, |
891 | typename unique_ptr<_Up, _Ep>::pointer> |
892 | inline |
893 | compare_three_way_result_t<typename unique_ptr<_Tp, _Dp>::pointer, |
894 | typename unique_ptr<_Up, _Ep>::pointer> |
895 | operator<=>(const unique_ptr<_Tp, _Dp>& __x, |
896 | const unique_ptr<_Up, _Ep>& __y) |
897 | { return compare_three_way()(__x.get(), __y.get()); } |
898 | |
899 | template<typename _Tp, typename _Dp> |
900 | requires three_way_comparable<typename unique_ptr<_Tp, _Dp>::pointer> |
901 | inline |
902 | compare_three_way_result_t<typename unique_ptr<_Tp, _Dp>::pointer> |
903 | operator<=>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
904 | { |
905 | using pointer = typename unique_ptr<_Tp, _Dp>::pointer; |
906 | return compare_three_way()(__x.get(), static_cast<pointer>(nullptr)); |
907 | } |
908 | #endif |
909 | // @} relates unique_ptr |
910 | |
911 | /// @cond undocumented |
912 | template<typename _Up, typename _Ptr = typename _Up::pointer, |
913 | bool = __poison_hash<_Ptr>::__enable_hash_call> |
914 | struct __uniq_ptr_hash |
915 | #if ! _GLIBCXX_INLINE_VERSION0 |
916 | : private __poison_hash<_Ptr> |
917 | #endif |
918 | { |
919 | size_t |
920 | operator()(const _Up& __u) const |
921 | noexcept(noexcept(std::declval<hash<_Ptr>>()(std::declval<_Ptr>()))) |
922 | { return hash<_Ptr>()(__u.get()); } |
923 | }; |
924 | |
925 | template<typename _Up, typename _Ptr> |
926 | struct __uniq_ptr_hash<_Up, _Ptr, false> |
927 | : private __poison_hash<_Ptr> |
928 | { }; |
929 | /// @endcond |
930 | |
931 | /// std::hash specialization for unique_ptr. |
932 | template<typename _Tp, typename _Dp> |
933 | struct hash<unique_ptr<_Tp, _Dp>> |
934 | : public __hash_base<size_t, unique_ptr<_Tp, _Dp>>, |
935 | public __uniq_ptr_hash<unique_ptr<_Tp, _Dp>> |
936 | { }; |
937 | |
938 | #if __cplusplus201703L >= 201402L |
939 | /// @relates unique_ptr @{ |
940 | #define __cpp_lib_make_unique201304 201304 |
941 | |
942 | /// @cond undocumented |
943 | |
944 | template<typename _Tp> |
945 | struct _MakeUniq |
946 | { typedef unique_ptr<_Tp> __single_object; }; |
947 | |
948 | template<typename _Tp> |
949 | struct _MakeUniq<_Tp[]> |
950 | { typedef unique_ptr<_Tp[]> __array; }; |
951 | |
952 | template<typename _Tp, size_t _Bound> |
953 | struct _MakeUniq<_Tp[_Bound]> |
954 | { struct __invalid_type { }; }; |
955 | |
956 | /// @endcond |
957 | |
958 | /// std::make_unique for single objects |
959 | template<typename _Tp, typename... _Args> |
960 | inline typename _MakeUniq<_Tp>::__single_object |
961 | make_unique(_Args&&... __args) |
962 | { return unique_ptr<_Tp>(new _Tp(std::forward<_Args>(__args)...)); } |
963 | |
964 | /// std::make_unique for arrays of unknown bound |
965 | template<typename _Tp> |
966 | inline typename _MakeUniq<_Tp>::__array |
967 | make_unique(size_t __num) |
968 | { return unique_ptr<_Tp>(new remove_extent_t<_Tp>[__num]()); } |
969 | |
970 | /// Disable std::make_unique for arrays of known bound |
971 | template<typename _Tp, typename... _Args> |
972 | inline typename _MakeUniq<_Tp>::__invalid_type |
973 | make_unique(_Args&&...) = delete; |
974 | // @} relates unique_ptr |
975 | #endif // C++14 |
976 | |
977 | #if __cplusplus201703L > 201703L && __cpp_concepts |
978 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
979 | // 2948. unique_ptr does not define operator<< for stream output |
980 | /// Stream output operator for unique_ptr |
981 | template<typename _CharT, typename _Traits, typename _Tp, typename _Dp> |
982 | inline basic_ostream<_CharT, _Traits>& |
983 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
984 | const unique_ptr<_Tp, _Dp>& __p) |
985 | requires requires { __os << __p.get(); } |
986 | { |
987 | __os << __p.get(); |
988 | return __os; |
989 | } |
990 | #endif // C++20 |
991 | |
992 | // @} group pointer_abstractions |
993 | |
994 | #if __cplusplus201703L >= 201703L |
995 | namespace __detail::__variant |
996 | { |
997 | template<typename> struct _Never_valueless_alt; // see <variant> |
998 | |
999 | // Provide the strong exception-safety guarantee when emplacing a |
1000 | // unique_ptr into a variant. |
1001 | template<typename _Tp, typename _Del> |
1002 | struct _Never_valueless_alt<std::unique_ptr<_Tp, _Del>> |
1003 | : std::true_type |
1004 | { }; |
1005 | } // namespace __detail::__variant |
1006 | #endif // C++17 |
1007 | |
1008 | _GLIBCXX_END_NAMESPACE_VERSION |
1009 | } // namespace |
1010 | |
1011 | #endif /* _UNIQUE_PTR_H */ |