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<div class="headertitle"><div class="title">idrec.hpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> SPDX-License-Identifier: MIT</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> Copyright © 2016-2023 Amebis</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">*/</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#pragma once</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include "sal.hpp"</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include <ios></span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include <istream></span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include <ostream></span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="keyword">namespace </span>stdex {</div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>idrec {</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">template</span> <<span class="keyword">class</span> T_ID></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> _Success_(<span class="keywordflow">return</span>) <span class="keywordtype">bool</span> read_id(_In_ std::istream& stream, _Out_ T_ID &<span class="keywordtype">id</span>, _In_opt_ std::streamoff end = (std::streamoff)-1)</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> {</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordflow">if</span> (end == (std::streamoff)-1 || stream.tellg() < end) {</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> stream.read((<span class="keywordtype">char</span>*)&<span class="keywordtype">id</span>, <span class="keyword">sizeof</span>(<span class="keywordtype">id</span>));</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">return</span> stream.good();</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> } <span class="keywordflow">else</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> }</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">template</span> <<span class="keyword">class</span> T_SIZE, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ALIGN></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">bool</span> ignore(_In_ std::istream& stream)</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> {</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// Read record size.</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> T_SIZE size;</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> stream.read((<span class="keywordtype">char</span>*)&size, <span class="keyword">sizeof</span>(size));</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">if</span> (!stream.good()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// Skip the record data.</span></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> size += (T_SIZE)(ALIGN - size) % ALIGN;</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> stream.ignore(size);</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">if</span> (!stream.good()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">template</span> <<span class="keyword">class</span> T_ID, <span class="keyword">class</span> T_SIZE, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ALIGN></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">bool</span> find(_In_ std::istream& stream, _In_ T_ID <span class="keywordtype">id</span>, _In_opt_ std::streamoff end = (std::streamoff)-1)</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> {</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> T_ID _id;</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">while</span> (end == (std::streamoff)-1 || stream.tellg() < end) {</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> stream.read((<span class="keywordtype">char</span>*)&_id, <span class="keyword">sizeof</span>(_id));</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">if</span> (!stream.good()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">if</span> (_id == <span class="keywordtype">id</span>) {</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// The record was found.</span></div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> } <span class="keywordflow">else</span></div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> ignore<T_SIZE, ALIGN>(stream);</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> }</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">template</span> <<span class="keyword">class</span> T_ID, <span class="keyword">class</span> T_SIZE></div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> std::streamoff open(_In_ std::ostream& stream, _In_ T_ID <span class="keywordtype">id</span>)</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> {</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> std::streamoff start = stream.tellp();</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// Write ID.</span></div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">if</span> (stream.fail()) <span class="keywordflow">return</span> (std::streamoff)-1;</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> stream.write((<span class="keyword">const</span> <span class="keywordtype">char</span>*)&<span class="keywordtype">id</span>, <span class="keyword">sizeof</span>(<span class="keywordtype">id</span>));</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// Write 0 as a placeholder for data size.</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">if</span> (stream.fail()) <span class="keywordflow">return</span> (std::streamoff)-1;</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> T_SIZE size = 0;</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> stream.write((<span class="keyword">const</span> <span class="keywordtype">char</span>*)&size, <span class="keyword">sizeof</span>(size));</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">return</span> start;</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> }</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">template</span> <<span class="keyword">class</span> T_ID, <span class="keyword">class</span> T_SIZE, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ALIGN></div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> std::streamoff close(_In_ std::ostream& stream, _In_ std::streamoff start)</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> {</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> std::streamoff end = stream.tellp();</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> T_SIZE</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> size = (T_SIZE)(end - start - <span class="keyword">sizeof</span>(T_ID) - <span class="keyword">sizeof</span>(T_SIZE)),</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> remainder = (T_SIZE)(ALIGN - size) % ALIGN; <span class="comment">// Number of bytes we need to add, to keep the data integral number of ALIGN blocks long</span></div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordflow">if</span> (remainder) {</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// Append padding.</span></div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> padding[ALIGN] = {};</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> stream.write(padding, remainder);</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> end += remainder;</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> }</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// Update the data size.</span></div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">if</span> (stream.fail()) <span class="keywordflow">return</span> (std::streamoff)-1;</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> stream.seekp(start + <span class="keyword">sizeof</span>(T_ID));</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> stream.write((<span class="keyword">const</span> <span class="keywordtype">char</span>*)&size, <span class="keyword">sizeof</span>(size));</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> stream.seekp(end);</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">return</span> end;</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> }</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> </div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">template</span> <<span class="keyword">class</span> T, <span class="keyword">class</span> T_ID, const T_ID ID, <span class="keyword">class</span> T_SIZE, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ALIGN></div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"><a class="line" href="classstdex_1_1idrec_1_1record.html"> 158</a></span> <span class="keyword">class </span><a class="code hl_class" href="classstdex_1_1idrec_1_1record.html">record</a></div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> {</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"><a class="line" href="classstdex_1_1idrec_1_1record.html#a611da3801d9e7215324c9a5992a27f39"> 166</a></span> <a class="code hl_function" href="classstdex_1_1idrec_1_1record.html#a611da3801d9e7215324c9a5992a27f39">record</a>(_In_ T &d) : <a class="code hl_variable" href="classstdex_1_1idrec_1_1record.html#a1ab09fae53142836c958a63137fb37cb">data</a>(d) {}</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"><a class="line" href="classstdex_1_1idrec_1_1record.html#ab84a09093bd1a2cbf720329b84c6d73b"> 174</a></span> <a class="code hl_function" href="classstdex_1_1idrec_1_1record.html#ab84a09093bd1a2cbf720329b84c6d73b">record</a>(_In_ <span class="keyword">const</span> T &d) : <a class="code hl_variable" href="classstdex_1_1idrec_1_1record.html#a1ab09fae53142836c958a63137fb37cb">data</a>((T&)d) {}</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"><a class="line" href="classstdex_1_1idrec_1_1record.html#a24e54541a476b01e332290c57a495926"> 180</a></span> <span class="keyword">static</span> <span class="keyword">const</span> T_ID <a class="code hl_function" href="classstdex_1_1idrec_1_1record.html#a24e54541a476b01e332290c57a495926">id</a>()</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> {</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">return</span> ID;</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> }</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"><a class="line" href="classstdex_1_1idrec_1_1record.html#a3d4bff1bf080fb8cb3960b5b5018392c"> 193</a></span> <span class="keyword">const</span> <a class="code hl_class" href="classstdex_1_1idrec_1_1record.html">record<T, T_ID, ID, T_SIZE, ALIGN></a>& <a class="code hl_function" href="classstdex_1_1idrec_1_1record.html#a3d4bff1bf080fb8cb3960b5b5018392c">operator =</a>(_In_ <span class="keyword">const</span> <a class="code hl_class" href="classstdex_1_1idrec_1_1record.html">record<T, T_ID, ID, T_SIZE, ALIGN></a> &r)</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> {</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_variable" href="classstdex_1_1idrec_1_1record.html#a1ab09fae53142836c958a63137fb37cb">data</a> = r.data;</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> }</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"><a class="line" href="classstdex_1_1idrec_1_1record.html#a379d9eeac3c52375982ba75df33604ca"> 207</a></span> <span class="keyword">static</span> std::streamoff <a class="code hl_function" href="classstdex_1_1idrec_1_1record.html#a379d9eeac3c52375982ba75df33604ca">open</a>(_In_ std::ostream& stream)</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> {</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keywordflow">return</span> stdex::idrec::open<T_ID, T_SIZE>(stream, ID);</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> }</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"><a class="line" href="classstdex_1_1idrec_1_1record.html#ae63ba9487daaf8ec39dfe7dd04c13cc9"> 221</a></span> <span class="keyword">static</span> std::streamoff <a class="code hl_function" href="classstdex_1_1idrec_1_1record.html#ae63ba9487daaf8ec39dfe7dd04c13cc9">close</a>(_In_ std::ostream& stream, _In_ std::streamoff start)</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> {</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordflow">return</span> stdex::idrec::close<T_ID, T_SIZE, ALIGN>(stream, start);</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> }</div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"><a class="line" href="classstdex_1_1idrec_1_1record.html#a19523040d07119055884a7a2f8ef25fd"> 237</a></span> <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classstdex_1_1idrec_1_1record.html#a19523040d07119055884a7a2f8ef25fd">find</a>(_In_ std::istream& stream, _In_opt_ std::streamoff end = (std::streamoff)-1)</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> {</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">return</span> stdex::idrec::find<T_ID, T_SIZE, ALIGN>(stream, ID, end);</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> }</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> </div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"><a class="line" href="classstdex_1_1idrec_1_1record.html#a1ab09fae53142836c958a63137fb37cb"> 243</a></span> T &<a class="code hl_variable" href="classstdex_1_1idrec_1_1record.html#a1ab09fae53142836c958a63137fb37cb">data</a>; </div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> };</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> };</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span>};</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span><span class="keyword">template</span> <<span class="keyword">class</span> T, <span class="keyword">class</span> T_ID, T_ID ID, <span class="keyword">class</span> T_SIZE, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ALIGN></div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span>std::ostream& operator <<(_In_ std::ostream& stream, _In_ <span class="keyword">const</span> <a class="code hl_class" href="classstdex_1_1idrec_1_1record.html">stdex::idrec::record<T, T_ID, ID, T_SIZE, ALIGN></a> r)</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span>{</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="comment">// Parameter r does not need to be passed by reference. It has only one field (data), which is a reference itself already.</span></div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> </div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> std::streamoff start = r.open(stream);</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keywordflow">if</span> (stream.fail()) <span class="keywordflow">return</span> stream;</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> stream << r.data;</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> r.close(stream, start);</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> </div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">return</span> stream;</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span>}</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> </div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> </div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span><span class="keyword">template</span> <<span class="keyword">class</span> T, <span class="keyword">class</span> T_ID, T_ID ID, <span class="keyword">class</span> T_SIZE, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ALIGN></div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span>std::istream& operator >>(_In_ std::istream& stream, _In_ <a class="code hl_class" href="classstdex_1_1idrec_1_1record.html">stdex::idrec::record<T, T_ID, ID, T_SIZE, ALIGN></a> r)</div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span>{</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// Parameter r does not need to be passed by reference. It has only one field (data), which is a reference itself already.</span></div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> </div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="comment">// Read data size.</span></div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> T_SIZE size;</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> stream.read((<span class="keywordtype">char</span>*)&size, <span class="keyword">sizeof</span>(size));</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="keywordflow">if</span> (!stream.good()) <span class="keywordflow">return</span> stream;</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> </div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="comment">// Read data.</span></div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> std::streamoff start = stream.tellg();</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> stream >> r.data; <span class="comment">// TODO: operator >> should not read past the record data! Make a size limited stream and read from it instead.</span></div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> </div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> size += (T_SIZE)(ALIGN - size) % ALIGN;</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> stream.seekg(start + size);</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">return</span> stream;</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span>}</div>
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<div class="ttc" id="aclassstdex_1_1idrec_1_1record_html"><div class="ttname"><a href="classstdex_1_1idrec_1_1record.html">stdex::idrec::record</a></div><div class="ttdoc">Helper class for read/write of records to/from memory.</div><div class="ttdef"><b>Definition</b> idrec.hpp:159</div></div>
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<div class="ttc" id="aclassstdex_1_1idrec_1_1record_html_a19523040d07119055884a7a2f8ef25fd"><div class="ttname"><a href="classstdex_1_1idrec_1_1record.html#a19523040d07119055884a7a2f8ef25fd">stdex::idrec::record::find</a></div><div class="ttdeci">static bool find(std::istream &stream, std::streamoff end=(std::streamoff) -1)</div><div class="ttdoc">Finds record data.</div><div class="ttdef"><b>Definition</b> idrec.hpp:237</div></div>
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<div class="ttc" id="aclassstdex_1_1idrec_1_1record_html_a1ab09fae53142836c958a63137fb37cb"><div class="ttname"><a href="classstdex_1_1idrec_1_1record.html#a1ab09fae53142836c958a63137fb37cb">stdex::idrec::record::data</a></div><div class="ttdeci">T & data</div><div class="ttdoc">Record data reference.</div><div class="ttdef"><b>Definition</b> idrec.hpp:243</div></div>
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<div class="ttc" id="aclassstdex_1_1idrec_1_1record_html_a24e54541a476b01e332290c57a495926"><div class="ttname"><a href="classstdex_1_1idrec_1_1record.html#a24e54541a476b01e332290c57a495926">stdex::idrec::record::id</a></div><div class="ttdeci">static const T_ID id()</div><div class="ttdoc">Returns record id.</div><div class="ttdef"><b>Definition</b> idrec.hpp:180</div></div>
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<div class="ttc" id="aclassstdex_1_1idrec_1_1record_html_a379d9eeac3c52375982ba75df33604ca"><div class="ttname"><a href="classstdex_1_1idrec_1_1record.html#a379d9eeac3c52375982ba75df33604ca">stdex::idrec::record::open</a></div><div class="ttdeci">static std::streamoff open(std::ostream &stream)</div><div class="ttdoc">Writes record header.</div><div class="ttdef"><b>Definition</b> idrec.hpp:207</div></div>
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<div class="ttc" id="aclassstdex_1_1idrec_1_1record_html_a3d4bff1bf080fb8cb3960b5b5018392c"><div class="ttname"><a href="classstdex_1_1idrec_1_1record.html#a3d4bff1bf080fb8cb3960b5b5018392c">stdex::idrec::record::operator=</a></div><div class="ttdeci">const record< T, T_ID, ID, T_SIZE, ALIGN > & operator=(const record< T, T_ID, ID, T_SIZE, ALIGN > &r)</div><div class="ttdoc">Assignment operator.</div><div class="ttdef"><b>Definition</b> idrec.hpp:193</div></div>
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<div class="ttc" id="aclassstdex_1_1idrec_1_1record_html_a611da3801d9e7215324c9a5992a27f39"><div class="ttname"><a href="classstdex_1_1idrec_1_1record.html#a611da3801d9e7215324c9a5992a27f39">stdex::idrec::record::record</a></div><div class="ttdeci">record(T &d)</div><div class="ttdoc">Constructs the class.</div><div class="ttdef"><b>Definition</b> idrec.hpp:166</div></div>
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<div class="ttc" id="aclassstdex_1_1idrec_1_1record_html_ab84a09093bd1a2cbf720329b84c6d73b"><div class="ttname"><a href="classstdex_1_1idrec_1_1record.html#ab84a09093bd1a2cbf720329b84c6d73b">stdex::idrec::record::record</a></div><div class="ttdeci">record(const T &d)</div><div class="ttdoc">Constructs the class.</div><div class="ttdef"><b>Definition</b> idrec.hpp:174</div></div>
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<div class="ttc" id="aclassstdex_1_1idrec_1_1record_html_ae63ba9487daaf8ec39dfe7dd04c13cc9"><div class="ttname"><a href="classstdex_1_1idrec_1_1record.html#ae63ba9487daaf8ec39dfe7dd04c13cc9">stdex::idrec::record::close</a></div><div class="ttdeci">static std::streamoff close(std::ostream &stream, std::streamoff start)</div><div class="ttdoc">Updates record header.</div><div class="ttdef"><b>Definition</b> idrec.hpp:221</div></div>
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