1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
|
<!-- HTML header for doxygen 1.8.7-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.7"/>
<title>RapidJSON: include/rapidjson/internal/stack.h 源文件</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
$(window).load(resizeHeight);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygenextra.css" rel="stylesheet" type="text/css"/>
</head>
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-63929386-1', 'auto');
ga('send', 'pageview');
</script>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="topbanner"><a href="https://github.com/miloyip/rapidjson" title="RapidJSON GitHub"><i class="githublogo"></i></a></div>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="搜索" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
<!-- end header part -->
<!-- 制作者 Doxygen 1.8.7 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'搜索');
</script>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('stack_8h_source.html','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>全部</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>类</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>命名空间</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>文件</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>函数</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>变量</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>类型定义</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>枚举</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>枚举值</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>友元</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>宏定义</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(11)"><span class="SelectionMark"> </span>组</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(12)"><span class="SelectionMark"> </span>页</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="headertitle">
<div class="title">stack.h</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Tencent is pleased to support the open source community by making RapidJSON available.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// </span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Licensed under the MIT License (the "License"); you may not use this file except</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// in compliance with the License. You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// http://opensource.org/licenses/MIT</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">//</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software distributed </span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR </span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// CONDITIONS OF ANY KIND, either express or implied. See the License for the </span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// specific language governing permissions and limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef RAPIDJSON_INTERNAL_STACK_H_</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#define RAPIDJSON_INTERNAL_STACK_H_</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "../allocators.h"</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "swap.h"</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#if defined(__clang__)</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> RAPIDJSON_DIAG_PUSH</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> RAPIDJSON_DIAG_OFF(c++98-compat)</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> RAPIDJSON_NAMESPACE_BEGIN</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">///////////////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"></span><span class="comment">// Stack</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">//! A type-unsafe stack for storing different types of data.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"></span><span class="comment">/*! \tparam Allocator Allocator for allocating stack memory.</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Allocator></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">class </span>Stack {</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// Optimization note: Do not allocate memory for stack_ in constructor.</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// Do it lazily when first Push() -> Expand() -> Resize().</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  Stack(Allocator* allocator, <span class="keywordtype">size_t</span> stackCapacity) : allocator_(allocator), ownAllocator_(0), stack_(0), stackTop_(0), stackEnd_(0), initialCapacity_(stackCapacity) {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  }</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#if RAPIDJSON_HAS_CXX11_RVALUE_REFS</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  Stack(Stack&& rhs)</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  : allocator_(rhs.allocator_),</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  ownAllocator_(rhs.ownAllocator_),</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  stack_(rhs.stack_),</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  stackTop_(rhs.stackTop_),</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  stackEnd_(rhs.stackEnd_),</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  initialCapacity_(rhs.initialCapacity_)</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  rhs.allocator_ = 0;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  rhs.ownAllocator_ = 0;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  rhs.stack_ = 0;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  rhs.stackTop_ = 0;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  rhs.stackEnd_ = 0;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  rhs.initialCapacity_ = 0;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  ~Stack() {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  Destroy();</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#if RAPIDJSON_HAS_CXX11_RVALUE_REFS</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  Stack& operator=(Stack&& rhs) {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (&rhs != <span class="keyword">this</span>)</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  Destroy();</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  allocator_ = rhs.allocator_;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  ownAllocator_ = rhs.ownAllocator_;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  stack_ = rhs.stack_;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  stackTop_ = rhs.stackTop_;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  stackEnd_ = rhs.stackEnd_;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  initialCapacity_ = rhs.initialCapacity_;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  rhs.allocator_ = 0;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  rhs.ownAllocator_ = 0;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  rhs.stack_ = 0;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  rhs.stackTop_ = 0;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  rhs.stackEnd_ = 0;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  rhs.initialCapacity_ = 0;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">void</span> Swap(Stack& rhs) RAPIDJSON_NOEXCEPT {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  internal::Swap(allocator_, rhs.allocator_);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  internal::Swap(ownAllocator_, rhs.ownAllocator_);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  internal::Swap(stack_, rhs.stack_);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  internal::Swap(stackTop_, rhs.stackTop_);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  internal::Swap(stackEnd_, rhs.stackEnd_);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  internal::Swap(initialCapacity_, rhs.initialCapacity_);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">void</span> Clear() { stackTop_ = stack_; }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">void</span> ShrinkToFit() { </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (Empty()) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// If the stack is empty, completely deallocate the memory.</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  Allocator::Free(stack_);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  stack_ = 0;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  stackTop_ = 0;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  stackEnd_ = 0;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  Resize(GetSize());</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// Optimization note: try to minimize the size of this function for force inline.</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// Expansion is run very infrequently, so it is moved to another (probably non-inline) function.</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  RAPIDJSON_FORCEINLINE <span class="keywordtype">void</span> Reserve(<span class="keywordtype">size_t</span> count = 1) {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Expand the stack if needed</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (<a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#ga6a2b1695c13e77ae425e3cbac980ccb5">RAPIDJSON_UNLIKELY</a>(stackTop_ + <span class="keyword">sizeof</span>(T) * count > stackEnd_))</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  Expand<T>(count);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  RAPIDJSON_FORCEINLINE T* Push(<span class="keywordtype">size_t</span> count = 1) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  Reserve<T>(count);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> PushUnsafe<T>(count);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  RAPIDJSON_FORCEINLINE T* PushUnsafe(<span class="keywordtype">size_t</span> count = 1) {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(stackTop_ + <span class="keyword">sizeof</span>(T) * count <= stackEnd_);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  T* ret = <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(stackTop_);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  stackTop_ += <span class="keyword">sizeof</span>(T) * count;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  T* Pop(<span class="keywordtype">size_t</span> count) {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(GetSize() >= count * <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  stackTop_ -= count * <span class="keyword">sizeof</span>(T);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(stackTop_);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  T* Top() { </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(GetSize() >= <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(stackTop_ - <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> T* Top()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(GetSize() >= <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(stackTop_ - <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  T* End() { <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(stackTop_); }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">const</span> T* End()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(stackTop_); }</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  T* Bottom() { <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(stack_); }</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> T* Bottom()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(stack_); }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">bool</span> HasAllocator()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span> allocator_ != 0;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  Allocator& GetAllocator() {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(allocator_);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> *allocator_;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">bool</span> Empty()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> stackTop_ == stack_; }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">size_t</span> GetSize()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(stackTop_ - stack_); }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">size_t</span> GetCapacity()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(stackEnd_ - stack_); }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">void</span> Expand(<span class="keywordtype">size_t</span> count) {</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// Only expand the capacity if the current stack exists. Otherwise just create a stack with initial capacity.</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordtype">size_t</span> newCapacity;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (stack_ == 0) {</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (!allocator_)</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  ownAllocator_ = allocator_ = <a class="code" href="rapidjson_8h.html#ab9e102fa2f1a0ae4914d4dac21f690a2">RAPIDJSON_NEW</a>(Allocator());</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  newCapacity = initialCapacity_;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  newCapacity = GetCapacity();</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  newCapacity += (newCapacity + 1) / 2;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">size_t</span> newSize = GetSize() + <span class="keyword">sizeof</span>(T) * count;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span> (newCapacity < newSize)</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  newCapacity = newSize;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  Resize(newCapacity);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordtype">void</span> Resize(<span class="keywordtype">size_t</span> newCapacity) {</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> size = GetSize(); <span class="comment">// Backup the current size</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  stack_ = <span class="keyword">static_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(allocator_->Realloc(stack_, GetCapacity(), newCapacity));</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  stackTop_ = stack_ + size;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  stackEnd_ = stack_ + newCapacity;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">void</span> Destroy() {</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  Allocator::Free(stack_);</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="rapidjson_8h.html#a52c941c3fdd646527cdcd42aa846a28a">RAPIDJSON_DELETE</a>(ownAllocator_); <span class="comment">// Only delete if it is owned by the stack</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  }</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// Prohibit copy constructor & assignment operator.</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  Stack(<span class="keyword">const</span> Stack&);</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  Stack& operator=(<span class="keyword">const</span> Stack&);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  Allocator* allocator_;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  Allocator* ownAllocator_;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordtype">char</span> *stack_;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordtype">char</span> *stackTop_;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">char</span> *stackEnd_;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordtype">size_t</span> initialCapacity_;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> };</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> } <span class="comment">// namespace internal</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> RAPIDJSON_NAMESPACE_END</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#if defined(__clang__)</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> RAPIDJSON_DIAG_POP</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor">#endif // RAPIDJSON_STACK_H_</span></div>
<div class="ttc" id="rapidjson_8h_html_ab9e102fa2f1a0ae4914d4dac21f690a2"><div class="ttname"><a href="rapidjson_8h.html#ab9e102fa2f1a0ae4914d4dac21f690a2">RAPIDJSON_NEW</a></div><div class="ttdeci">#define RAPIDJSON_NEW(x)</div><div class="ttdoc">! customization point for global new </div><div class="ttdef"><b>Definition:</b> rapidjson.h:540</div></div>
<div class="ttc" id="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g_html_ga6a2b1695c13e77ae425e3cbac980ccb5"><div class="ttname"><a href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#ga6a2b1695c13e77ae425e3cbac980ccb5">RAPIDJSON_UNLIKELY</a></div><div class="ttdeci">#define RAPIDJSON_UNLIKELY(x)</div><div class="ttdoc">Compiler branching hint for expression with low probability to be true. </div><div class="ttdef"><b>Definition:</b> rapidjson.h:437</div></div>
<div class="ttc" id="rapidjson_8h_html_a52c941c3fdd646527cdcd42aa846a28a"><div class="ttname"><a href="rapidjson_8h.html#a52c941c3fdd646527cdcd42aa846a28a">RAPIDJSON_DELETE</a></div><div class="ttdeci">#define RAPIDJSON_DELETE(x)</div><div class="ttdoc">! customization point for global delete </div><div class="ttdef"><b>Definition:</b> rapidjson.h:544</div></div>
<div class="ttc" id="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g_html_gabeba18d612187bad2ac62aed9276d47c"><div class="ttname"><a href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a></div><div class="ttdeci">#define RAPIDJSON_ASSERT(x)</div><div class="ttdoc">Assertion. </div><div class="ttdef"><b>Definition:</b> rapidjson.h:371</div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- HTML footer for doxygen 1.8.7-->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="dir_2e777bb85672ca91d8484c1593fb1d89.html">include</a></li><li class="navelem"><a class="el" href="dir_0b07344794a20f8375311f92e90cd9a3.html">rapidjson</a></li><li class="navelem"><a class="el" href="dir_5167ae66a3a40cb9e5e46c75b7477e81.html">internal</a></li><li class="navelem"><b>stack.h</b></li>
</ul>
</div>
<script type="text/javascript">
/* * * CONFIGURATION VARIABLES * * */
var disqus_shortname = 'rapidjson-doc';
/* * * DON'T EDIT BELOW THIS LINE * * */
(function() {
var dt = document.createElement('div');
dt.id = "disqus_thread";
(document.getElementsByClassName('contents')[0]).appendChild(dt);
var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
})();
</script>
</body>
</html>
|
