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<a href="frame__parse_8cpp.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">// $Id: frame_parse.cpp,v 1.34 2002/07/06 13:53:18 t1mpy Exp $</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// id3lib: a C++ library for creating and manipulating id3v1/v2 tags</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright 1999, 2000 Scott Thomas Haug</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// This library is free software; you can redistribute it and/or modify it</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// under the terms of the GNU Library 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 (at your</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// 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 library is distributed in the hope that it will be useful, but WITHOUT</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// 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 Library General Public License</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// along with this library; if not, write to the Free Software Foundation,</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 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> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// The id3lib authors encourage improvements and optimisations to be sent to</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// the id3lib coordinator. Please see the README file for details on where to</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// send such submissions. See the AUTHORS file for a list of people who have</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// contributed to id3lib. See the ChangeLog file for a list of changes to</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// id3lib. These files are distributed with id3lib at</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// http://download.sourceforge.net/id3lib/</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#if defined HAVE_CONFIG_H</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="frame__impl_8h.html">frame_impl.h</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="io__decorators_8h.html">id3/io_decorators.h</a>"</span> <span class="comment">//has "readers.h" "io_helpers.h" "utils.h"</span></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">using namespace </span>dami;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">bool</span> parseFields(<a class="code" href="class_i_d3___reader.html">ID3_Reader</a>& rdr, <a class="code" href="class_i_d3___frame_impl.html">ID3_FrameImpl</a>& frame)</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">int</span> iLoop;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">int</span> iFields;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="classdami_1_1io_1_1_exit_trigger.html">io::ExitTrigger</a> et(rdr);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39" title="Enumeration of the types of text encodings: ascii or unicode.">ID3_TextEnc</a> enc = <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39aad49ff1fa495df3aaca00c18a3302ea9">ID3TE_ASCII</a>; <span class="comment">// set the default encoding </span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612">ID3_V2Spec</a> spec = frame.<a class="code" href="class_i_d3___frame_impl.html#a8fa372b0543cf3c5ed1dd1130c35d6a0">GetSpec</a>(); </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// parse the frame's fields </span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  iFields = frame.<a class="code" href="class_i_d3___frame_impl.html#af5c9dfa8a685010b1b45e3a4688b2e32">NumFields</a>();</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): num_fields = "</span> << iFields );</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  iLoop = 0;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">for</span> (<a class="code" href="class_i_d3___frame_impl.html#a80495c05f7130edef63f8d8744c7b52e">ID3_FrameImpl::iterator</a> fi = frame.<a class="code" href="class_i_d3___frame_impl.html#af3de0f8f806fb9815a52c3aeba742213">begin</a>(); fi != frame.<a class="code" href="class_i_d3___frame_impl.html#a741d78d7332d576cfdd65ffbc8827a07">end</a>(); ++fi)</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>  <a class="code" href="class_i_d3___field.html" title="The representative class of an ID3v2 field.">ID3_Field</a>* fp = *fi;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  ++iLoop;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (rdr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>())</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  { </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// there's no remaining data to parse! </span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  ID3D_WARNING( <span class="stringliteral">"ID3_FrameImpl::Parse(): out of data at postion "</span> <<</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>() );</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (iLoop == iFields)</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">//if we are at the last field, (the 'data' field) it's apparently</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">//an empty tag used for filling up padding, it's no problem</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">//break will set the current 'cursor' to the right spot outside the for loop</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (<a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> == fp)</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="comment">// Ack! Why is the field NULL? Log this...</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  ID3D_WARNING( <span class="stringliteral">"ID3_FrameImpl::Parse(): field is null"</span> );</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</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>  <span class="keywordflow">if</span> (!fp-><a class="code" href="class_i_d3___field.html#ade2b9184024c1f62e17067253f4adb49">InScope</a>(spec)) </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): field is not in scope"</span> );</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// continue with the rest of the fields</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">continue</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>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): setting enc to "</span> << enc );</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  fp-><a class="code" href="class_i_d3___field.html#a9f3b7f8b5ee007ee64caa133804c38f2">SetEncoding</a>(enc);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="class_i_d3___reader.html#a83194ea4d4e04e81302b095e9aa2275a">ID3_Reader::pos_type</a> beg = rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>();</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  et.setExitPos(beg);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): parsing field, cur = "</span> << beg );</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): parsing field, end = "</span> << </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  rdr.<a class="code" href="class_i_d3___reader.html#a5872b6813a652d831b770bfb7d65aec8" title="Return the ending position in the reader.">getEnd</a>() );</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (!fp-><a class="code" href="class_i_d3___field.html#a8af818e37c58481084be6bd672a8f34f">Parse</a>(rdr) || rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>() == beg) </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="comment">// nothing to parse! ack! parse error... </span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  ID3D_WARNING( <span class="stringliteral">"ID3_FrameImpl::Parse(): no data parsed, bad parse"</span> );</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</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>  <span class="keywordflow">if</span> (fp-><a class="code" href="class_i_d3___field.html#a4bb8d97fddba3a01eb744ab323b43bd2">GetID</a>() == <a class="code" href="globals_8h.html#a23cab982426a968437cd731900cfeb2cafca0c8c5686ec00e25d1850099aa0a4d" title="Text encoding (unicode or ASCII)">ID3FN_TEXTENC</a>) </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>  enc = <span class="keyword">static_cast<</span><a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39" title="Enumeration of the types of text encodings: ascii or unicode.">ID3_TextEnc</a><span class="keyword">></span>(fp-><a class="code" href="class_i_d3___field.html#a363d1034fb4e60e85f15bcf9818d33ef" title="Returns the value of the integer field.">Get</a>()); </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): found encoding = "</span> << enc );</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>  }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  et.setExitPos(rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>());</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> };</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="code" href="class_i_d3___frame_impl.html#a050d985eec9e212ff6d7012688441e1b"> 109</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_i_d3___frame_impl.html#a050d985eec9e212ff6d7012688441e1b">ID3_FrameImpl::Parse</a>(<a class="code" href="class_i_d3___reader.html">ID3_Reader</a>& reader) </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> { </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="classdami_1_1io_1_1_exit_trigger.html">io::ExitTrigger</a> et(reader);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): reader.getBeg() = "</span> << reader.<a class="code" href="class_i_d3___reader.html#aeaf468ffe03c08731dcaf268fff3391b" title="Return the beginning position in the reader.">getBeg</a>() );</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): reader.getCur() = "</span> << reader.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>() );</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): reader.getEnd() = "</span> << reader.<a class="code" href="class_i_d3___reader.html#a5872b6813a652d831b770bfb7d65aec8" title="Return the ending position in the reader.">getEnd</a>() );</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="class_i_d3___reader.html#a83194ea4d4e04e81302b095e9aa2275a">ID3_Reader::pos_type</a> beg = reader.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>();</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (!_hdr.Parse(reader) || reader.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>() == beg) </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  { </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  ID3D_WARNING( <span class="stringliteral">"ID3_FrameImpl::Parse(): no header to parse"</span> );</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> <span class="keyword">false</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>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): after hdr, getCur() = "</span> << reader.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>() );</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): found frame! id = "</span> << _hdr.GetTextID() );</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>  <span class="comment">// data is the part of the frame buffer that appears after the header </span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> dataSize = _hdr.GetDataSize();</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): dataSize = "</span> << dataSize );</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (reader.<a class="code" href="class_i_d3___reader.html#a5872b6813a652d831b770bfb7d65aec8" title="Return the ending position in the reader.">getEnd</a>() < beg + dataSize)</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  ID3D_WARNING( <span class="stringliteral">"ID3_FrameImpl::Parse(): not enough data to parse frame"</span> );</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="classdami_1_1io_1_1_windowed_reader.html" title="Set a window on the buffer.">io::WindowedReader</a> wr(reader, dataSize);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): window getBeg() = "</span> << wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a5ce82f2e98fff8d3b824e1fdd1e20dae" title="Return the beginning position in the reader.">getBeg</a>() );</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): window getCur() = "</span> << wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>() );</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): window getEnd() = "</span> << wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a77ca5d466916df116adec205fc900011" title="Return the ending position in the reader.">getEnd</a>() );</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> origSize = 0;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (_hdr.GetCompression())</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  origSize = <a class="code" href="namespacedami_1_1io.html#a4795dfc73c82683365f2738567c1d805">io::readBENumber</a>(reader, <span class="keyword">sizeof</span>(uint32));</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): frame is compressed, origSize = "</span> << origSize );</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> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span> (_hdr.GetEncryption())</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>  <span class="keywordtype">char</span> ch = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#af505113fe3eb0946124fd9e64afe4c8a" title="Read a single character and advance the internal position.">readChar</a>();</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  this->SetEncryptionID(ch);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): frame is encrypted, encryption_id = "</span> << (<span class="keywordtype">int</span>) ch );</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> </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span> (_hdr.GetGrouping())</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">char</span> ch = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#af505113fe3eb0946124fd9e64afe4c8a" title="Read a single character and advance the internal position.">readChar</a>();</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  this->SetGroupingID(ch);</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  ID3D_NOTICE( <span class="stringliteral">"ID3_FrameImpl::Parse(): frame is encrypted, grouping_id = "</span> << (<span class="keywordtype">int</span>) ch );</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>  <span class="comment">// set the type of frame based on the parsed header </span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  this->_ClearFields(); </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  this->_InitFields(); </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">bool</span> success = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// expand out the data if it's compressed </span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (!_hdr.GetCompression())</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>  success = parseFields(wr, *<span class="keyword">this</span>);</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="keywordflow">else</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="classdami_1_1io_1_1_compressed_reader.html">io::CompressedReader</a> csr(wr, origSize);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  success = parseFields(csr, *<span class="keyword">this</span>);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  et.<a class="code" href="classdami_1_1io_1_1_exit_trigger.html#af65edaf06b4439c97de06520e3903868">setExitPos</a>(wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>());</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>  _changed = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> } </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
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