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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// -*- mode: cpp; mode: fold -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Description /*{{{*/</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// $Id: hashsum_template.h,v 1.3 2001/05/07 05:05:47 jgg Exp $</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"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> HashSumValueTemplate - Generic Storage for a hash value</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"> ##################################################################### */</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="preprocessor">#ifndef APTPKG_HASHSUM_TEMPLATE_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define APTPKG_HASHSUM_TEMPLATE_H</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <cstring></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifdef APT_PKG_EXPOSE_STRING_VIEW</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <apt-pkg/string_view.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <apt-pkg/strutl.h></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef APT_10_CLEANER_HEADERS</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <apt-pkg/fileutl.h></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#ifndef APT_8_CLEANER_HEADERS</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">using</span> std::string;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">using</span> std::min;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">class </span><a class="code" href="classFileFd.xhtml">FileFd</a>;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">template</span><<span class="keywordtype">int</span> N></div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classHashSumValue.xhtml"> 35</a></span> <span class="keyword">class </span><a class="code" href="classHashSumValue.xhtml">HashSumValue</a></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Sum[N/8];</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// Accessors</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordtype">bool</span> operator ==(<span class="keyword">const</span> <a class="code" href="classHashSumValue.xhtml">HashSumValue</a> &rhs)<span class="keyword"> const</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> memcmp(Sum,rhs.Sum,<span class="keyword">sizeof</span>(Sum)) == 0;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">bool</span> operator !=(<span class="keyword">const</span> <a class="code" href="classHashSumValue.xhtml">HashSumValue</a> &rhs)<span class="keyword"> const</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> memcmp(Sum,rhs.Sum,<span class="keyword">sizeof</span>(Sum)) != 0;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  std::string Value()<span class="keyword"> const</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">char</span> Conv[16] =</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  { <span class="charliteral">'0'</span>,<span class="charliteral">'1'</span>,<span class="charliteral">'2'</span>,<span class="charliteral">'3'</span>,<span class="charliteral">'4'</span>,<span class="charliteral">'5'</span>,<span class="charliteral">'6'</span>,<span class="charliteral">'7'</span>,<span class="charliteral">'8'</span>,<span class="charliteral">'9'</span>,<span class="charliteral">'a'</span>,<span class="charliteral">'b'</span>,</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="charliteral">'c'</span>,<span class="charliteral">'d'</span>,<span class="charliteral">'e'</span>,<span class="charliteral">'f'</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  };</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">char</span> Result[((N/8)*2)+1];</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  Result[(N/8)*2] = 0;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// Convert each char into two letters</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">int</span> J = 0;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">int</span> I = 0;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">for</span> (; I != (N/8)*2; J++,I += 2)</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>  Result[I] = Conv[Sum[J] >> 4];</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  Result[I + 1] = Conv[Sum[J] & 0xF];</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> std::string(Result);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</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>  <span class="keyword">inline</span> <span class="keywordtype">void</span> Value(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> S[N/8])</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> I = 0; I != <span class="keyword">sizeof</span>(Sum); ++I)</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  S[I] = Sum[I];</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">inline</span> <span class="keyword">operator</span> std::string()<span class="keyword"> const</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> Value();</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#ifdef APT_PKG_EXPOSE_STRING_VIEW</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  APT_HIDDEN <span class="keywordtype">bool</span> Set(APT::StringView Str)</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> Hex2Num(Str,Sum,<span class="keyword">sizeof</span>(Sum));</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">#else</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">bool</span> Set(std::string Str)</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> Hex2Num(Str,Sum,<span class="keyword">sizeof</span>(Sum));</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> Set(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> S[N/8])</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  {</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> I = 0; I != <span class="keyword">sizeof</span>(Sum); ++I)</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  Sum[I] = S[I];</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> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">explicit</span> <a class="code" href="classHashSumValue.xhtml">HashSumValue</a>(std::string <span class="keyword">const</span> &Str)</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  memset(Sum,0,<span class="keyword">sizeof</span>(Sum));</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  Set(Str);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#ifdef APT_PKG_EXPOSE_STRING_VIEW</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  APT_HIDDEN <span class="keyword">explicit</span> <a class="code" href="classHashSumValue.xhtml">HashSumValue</a>(APT::StringView <span class="keyword">const</span> &Str)</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  memset(Sum,0,<span class="keyword">sizeof</span>(Sum));</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  Set(Str);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  APT_HIDDEN <span class="keyword">explicit</span> <a class="code" href="classHashSumValue.xhtml">HashSumValue</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *Str)</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>  memset(Sum,0,<span class="keyword">sizeof</span>(Sum));</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  Set(Str);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classHashSumValue.xhtml">HashSumValue</a>()</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  memset(Sum,0,<span class="keyword">sizeof</span>(Sum));</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> </div><div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="classSummationImplementation.xhtml"> 122</a></span> <span class="keyword">class </span><a class="code" href="classSummationImplementation.xhtml">SummationImplementation</a></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *inbuf, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> inlen) APT_NONNULL(2) = 0;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> <span class="keywordtype">char</span> *inbuf, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keyword">const</span> inlen) APT_NONNULL(2)</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  { <span class="keywordflow">return</span> Add((<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)inbuf, inlen); }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Data) APT_NONNULL(2)</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  { <span class="keywordflow">return</span> Add(Data, strlen((<span class="keyword">const</span> <span class="keywordtype">char</span> *)Data)); }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> <span class="keywordtype">char</span> *Data) APT_NONNULL(2)</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  { <span class="keywordflow">return</span> Add((<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)Data, strlen(Data)); }</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>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Beg, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *End) APT_NONNULL(2,3)</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  { <span class="keywordflow">return</span> Add(Beg, End - Beg); }</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> <span class="keywordtype">char</span> *Beg, <span class="keyword">const</span> <span class="keywordtype">char</span> *End) APT_NONNULL(2,3)</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  { <span class="keywordflow">return</span> Add((<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)Beg, End - Beg); }</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">bool</span> AddFD(<span class="keywordtype">int</span> Fd, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> Size = 0);</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">bool</span> AddFD(<a class="code" href="classFileFd.xhtml">FileFd</a> &Fd, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> Size = 0);</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> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classSummationImplementation_xhtml"><div class="ttname"><a href="classSummationImplementation.xhtml">SummationImplementation</a></div><div class="ttdef"><b>Definition:</b> hashsum_template.h:122</div></div>
<div class="ttc" id="classFileFd_xhtml"><div class="ttname"><a href="classFileFd.xhtml">FileFd</a></div><div class="ttdef"><b>Definition:</b> fileutl.h:42</div></div>
<div class="ttc" id="classHashSumValue_xhtml"><div class="ttname"><a href="classHashSumValue.xhtml">HashSumValue</a></div><div class="ttdef"><b>Definition:</b> hashsum_template.h:35</div></div>
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