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<a href="PhantomBuffer_8hxx.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * UNIVERSITAT POMPEU FABRA</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"> * This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</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 _PHANTOM_BUFFER_H</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#define _PHANTOM_BUFFER_H</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></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> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="Assert_8hxx.html" title="Bug hunting and detection facilities for developers.">Assert.hxx</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>CLAM {</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">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="code" href="classCLAM_1_1PhantomBuffer.html"> 33</a></span>  <span class="keyword">class </span><a class="code" href="classCLAM_1_1PhantomBuffer.html">PhantomBuffer</a> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="classCLAM_1_1PhantomBuffer.html#aa3d62a38e79c6843cc247729bdd12f10">PhantomBuffer</a>();</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  T* <a class="code" href="classCLAM_1_1PhantomBuffer.html#aea0c4b9ce43eb24dde4f909fe6d04590">Read</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size);</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#a90965dd5f72f4bdee06481e16458f7a3" title="Updates the beginning or phantom zone corresponding with 'symetric' of the specifyed window /see Upda...">Touch</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#aacba726a6b1447360727b01ca10ebbc1" title="Copies an array into the buffer and updates (touches) the 'repeated' data (beginning or phantom) /see...">Write</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size,<span class="keyword">const</span> T* data);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="classCLAM_1_1PhantomBuffer.html#a58d49fea6435882db72425aea87f4524"> 53</a></span>  <span class="keywordtype">unsigned</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#a58d49fea6435882db72425aea87f4524">LogicalSize</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> mLogicalSize;}</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="classCLAM_1_1PhantomBuffer.html#af02972de513e4168c63d4e06e4213c18"> 55</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#af02972de513e4168c63d4e06e4213c18">PhantomSize</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mBuffer.size() - mLogicalSize; }</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">void</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#ad3e0399f38d54b2733c600476fdd6fe5">Resize</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size,</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> phantom,</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> insert_pos);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#a5ac4064013b4430be3521ff233edebb4" title="For debugging purposes.">FulfilsInvariant</a>() <span class="keyword">const</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>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">void</span> UpdatePhantom(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">void</span> UpdateBeginning(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size);</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>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> AllocatedSize()<span class="keyword"> const</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword"> </span>{ </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> mBuffer.size(); </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> </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="comment">// attributes</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  std::vector<T> mBuffer;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">unsigned</span> mLogicalSize;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  };</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>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="code" href="classCLAM_1_1PhantomBuffer.html#aa3d62a38e79c6843cc247729bdd12f10"> 94</a></span>  <a class="code" href="classCLAM_1_1PhantomBuffer.html#aa3d62a38e79c6843cc247729bdd12f10">PhantomBuffer<T>::PhantomBuffer</a>()</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  : mLogicalSize(0) </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> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html">PhantomBuffer<T>::UpdatePhantom</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size)</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="Assert_8hxx.html#a74510ab691cb933dbe30c4943651ba1d">CLAM_DEBUG_ASSERT</a>(pos+size <= PhantomSize(),</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="stringliteral">"PhantomBuffer::UpdatePhantom():"</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="stringliteral">"Requested region falls outside phantom zone"</span>);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> s,d;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">for</span> (s=pos, d=mLogicalSize+pos; s<pos+size; s++, d++)</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  mBuffer[d] = mBuffer[s];</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</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>  <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">void</span> PhantomBuffer<T>::UpdateBeginning(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size)</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="Assert_8hxx.html#a74510ab691cb933dbe30c4943651ba1d">CLAM_DEBUG_ASSERT</a>(pos+size <= PhantomSize(),</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="stringliteral">"PhantomBuffer::UpdateBeginning():"</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="stringliteral">"Requested region falls outside beginning zone"</span>);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> s,d;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">for</span> (d=pos, s=mLogicalSize+pos; d<size; d++, s++)</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  mBuffer[d] = mBuffer[s];</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"> 122</span>  <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="code" href="classCLAM_1_1PhantomBuffer.html#ad3e0399f38d54b2733c600476fdd6fe5"> 123</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#ad3e0399f38d54b2733c600476fdd6fe5">PhantomBuffer<T>::Resize</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> newLogicalSize, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> newPhantomSize, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> insertionPos)</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="Assert_8hxx.html#a0013fa617be6fec21a9ad7180e7d8cff" title="An assertion is a check on an expression that must be true given that all the contracts are fullfille...">CLAM_ASSERT</a>(insertionPos <= LogicalSize(),</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="stringliteral">"PhantomBuffer::Resize(): "</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="stringliteral">"Insertion position can not be greater than previous size."</span>);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="Assert_8hxx.html#a0013fa617be6fec21a9ad7180e7d8cff" title="An assertion is a check on an expression that must be true given that all the contracts are fullfille...">CLAM_ASSERT</a>(newPhantomSize <= newLogicalSize,</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="stringliteral">"PhantomBuffer::Resize(): Phantom Size can not be greater than size."</span>);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> ( newLogicalSize <= LogicalSize() )</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span>;</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>  <a class="code" href="Assert_8hxx.html#a0013fa617be6fec21a9ad7180e7d8cff" title="An assertion is a check on an expression that must be true given that all the contracts are fullfille...">CLAM_ASSERT</a>(newPhantomSize >= PhantomSize(),</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="stringliteral">"PhantomBuffer::Resize(): PhantomSize can not be decreased."</span>);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> logicalElementsToInsert = newLogicalSize - LogicalSize();</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> phantomElementsToInsert = newPhantomSize - PhantomSize();</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">typename</span> std::vector<T>::iterator it = mBuffer.begin();</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  it += insertionPos;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  mBuffer.insert(it, logicalElementsToInsert, T());</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  mBuffer.insert( mBuffer.end(), phantomElementsToInsert, T());</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">//TODO update phantom</span></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>  mLogicalSize = newLogicalSize;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00152"></a><span class="lineno"><a class="code" href="classCLAM_1_1PhantomBuffer.html#aea0c4b9ce43eb24dde4f909fe6d04590"> 152</a></span>  T* <a class="code" href="classCLAM_1_1PhantomBuffer.html#aea0c4b9ce43eb24dde4f909fe6d04590">PhantomBuffer<T>::Read</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size)</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>  <a class="code" href="Assert_8hxx.html#a74510ab691cb933dbe30c4943651ba1d">CLAM_DEBUG_ASSERT</a>( (pos+size-1) <= ( AllocatedSize() ),</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="stringliteral">"PhantomBuffer::Read(): Position outside bounds"</span>);</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> &mBuffer[pos];</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </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">class</span> T></div>
<div class="line"><a name="l00161"></a><span class="lineno"><a class="code" href="classCLAM_1_1PhantomBuffer.html#a90965dd5f72f4bdee06481e16458f7a3"> 161</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#a90965dd5f72f4bdee06481e16458f7a3" title="Updates the beginning or phantom zone corresponding with 'symetric' of the specifyed window /see Upda...">PhantomBuffer<T>::Touch</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size)</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>  <a class="code" href="Assert_8hxx.html#a74510ab691cb933dbe30c4943651ba1d">CLAM_DEBUG_ASSERT</a>( (pos+size) <= ( AllocatedSize() ),</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="stringliteral">"PhantomBuffer::Write(): Position outside bounds"</span>);</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> writen_area_end = pos+size;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (writen_area_end > mLogicalSize)</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>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> update_start;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (mLogicalSize > pos)</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  update_start = 0;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  update_start = pos-mLogicalSize;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  UpdateBeginning(update_start, writen_area_end - mLogicalSize - update_start);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( pos < PhantomSize() )</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  {</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">int</span> update_end;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (PhantomSize() < writen_area_end )</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  update_end = PhantomSize();</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  update_end = writen_area_end;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  UpdatePhantom(pos,update_end-pos);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00189"></a><span class="lineno"><a class="code" href="classCLAM_1_1PhantomBuffer.html#aacba726a6b1447360727b01ca10ebbc1"> 189</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#aacba726a6b1447360727b01ca10ebbc1" title="Copies an array into the buffer and updates (touches) the 'repeated' data (beginning or phantom) /see...">PhantomBuffer<T>::Write</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size,<span class="keyword">const</span> T* data)</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="Assert_8hxx.html#a74510ab691cb933dbe30c4943651ba1d">CLAM_DEBUG_ASSERT</a>( (pos+size) <= ( AllocatedSize() ),</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="stringliteral">"PhantomBuffer::Write(): Position outside bounds"</span>);</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> s,d;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">for</span> (s=0, d=pos; s<size; s++, d++)</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  mBuffer[d] = data[s];</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  Touch(pos,size);</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> </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00202"></a><span class="lineno"><a class="code" href="classCLAM_1_1PhantomBuffer.html#a5ac4064013b4430be3521ff233edebb4"> 202</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PhantomBuffer.html#a5ac4064013b4430be3521ff233edebb4" title="For debugging purposes.">PhantomBuffer<T>::FulfilsInvariant</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="Assert_8hxx.html#a0013fa617be6fec21a9ad7180e7d8cff" title="An assertion is a check on an expression that must be true given that all the contracts are fullfille...">CLAM_ASSERT</a>(mBuffer.size() == AllocatedSize(),</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="stringliteral">"PhantomBuffer<T>::FulfilsInvariant(): "</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="stringliteral">"internal vector size unconsistency"</span>);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="Assert_8hxx.html#a0013fa617be6fec21a9ad7180e7d8cff" title="An assertion is a check on an expression that must be true given that all the contracts are fullfille...">CLAM_ASSERT</a>(PhantomSize() <= mLogicalSize,</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="stringliteral">"PhantomBuffer<T>::FulfilsInvariant(): "</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="stringliteral">"Phantom size biger than logical size"</span>);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">for</span> (i=0; i<PhantomSize(); i++)</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="Assert_8hxx.html#a0013fa617be6fec21a9ad7180e7d8cff" title="An assertion is a check on an expression that must be true given that all the contracts are fullfille...">CLAM_ASSERT</a>(mBuffer[i] == mBuffer[i+mLogicalSize],</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="stringliteral">"PhantomBuffer<T>::FulfilsInvariant(): "</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="stringliteral">"Phantom data is unconsistent!"</span>);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> } <span class="comment">// namespace CLAM</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor"></span></div>
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