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<a href="field__string__unicode_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>&#160;<span class="comment">// $Id: field_string_unicode.cpp,v 1.33 2003/03/02 14:23:58 t1mpy Exp $</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<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>&#160;<span class="comment">// Copyright 1999, 2000  Scott Thomas Haug</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">// option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">// License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<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>&#160;<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>&#160;<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>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">// http://download.sourceforge.net/id3lib/</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="field__impl_8h.html">field_impl.h</a>&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &quot;id3/utils.h&quot;</span> <span class="comment">// has &lt;config.h&gt; &quot;id3/id3lib_streams.h&quot; &quot;id3/globals.h&quot; &quot;id3/id3lib_strings.h&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="io__helpers_8h.html">io_helpers.h</a>&quot;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">using namespace </span>dami;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="class_i_d3___field_impl.html#a5e4ebdb241a1dde45d7b1f17ed4b7b99">   49</a></span>&#160;<span class="keywordtype">size_t</span> <a class="code" href="class_i_d3___field_impl.html#a6daa86b940122734d9bee75d7b57d6cf" title="Sets the value of the field to the specified integer.">ID3_FieldImpl::Set</a>(<span class="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* data)</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;{</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;  <span class="keywordtype">size_t</span> size = 0;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;  <span class="keywordflow">if</span> (this-&gt;GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &amp;&amp;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;      this-&gt;GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a> &amp;&amp; data)</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  {</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    String text((<span class="keyword">const</span> <span class="keywordtype">char</span>*) data, ucslen(data) * 2);</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    size = this-&gt;SetText_i(text);</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;  }</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  <span class="keywordflow">return</span> size;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;}</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="code" href="class_i_d3___field_impl.html#a46406170d406d52ad395817fd483a50d">   61</a></span>&#160;<span class="keywordtype">size_t</span> <a class="code" href="class_i_d3___field_impl.html#a0493b19b836899394d02839bd14d1e28">ID3_FieldImpl::Add</a>(<span class="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* data)</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;{</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  <span class="keywordtype">size_t</span> size = 0;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  <span class="keywordflow">if</span> (this-&gt;GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &amp;&amp;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;      this-&gt;GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a>)</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;  {</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    String text((<span class="keyword">const</span> <span class="keywordtype">char</span>*) data, ucslen(data) * 2);</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    size = this-&gt;AddText_i(text);</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;  }</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;  <span class="keywordflow">return</span> size;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;}</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="code" href="class_i_d3___field_impl.html#a0b39bf7b3c161471b3ac94b6eec90014">   93</a></span>&#160;<span class="keywordtype">size_t</span> <a class="code" href="class_i_d3___field_impl.html#ab0e321c609325a38f29bc279bfb7b2be" title="Returns the value of the integer field.">ID3_FieldImpl::Get</a>(<a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *buffer, <span class="keywordtype">size_t</span> maxLength)<span class="keyword"> const</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  <span class="keywordtype">size_t</span> length = 0;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;  <span class="keywordflow">if</span> (this-&gt;GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &amp;&amp;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;      this-&gt;GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a> &amp;&amp;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;      buffer != <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> &amp;&amp; maxLength &gt; 0)</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;  {</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="keywordtype">size_t</span> size = this-&gt;<a class="code" href="class_i_d3___frame_impl.html#a2372f07a4f1b05b144ea4a797e679e88">Size</a>();</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    length = <a class="code" href="io__strings_8h.html#ac6afabdc09a49a433ee19d8a9486056d">dami::min</a>(maxLength, size);</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    ::memcpy((<span class="keywordtype">void</span> *)buffer, (<span class="keywordtype">void</span> *)_text.data(), length * 2);</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keywordflow">if</span> (length &lt; maxLength)</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    {</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;      buffer[length] = <a class="code" href="globals_8h.html#adf2f9dc565f7cb248d7baf38c543376f">NULL_UNICODE</a>;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;  }</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  <span class="keywordflow">return</span> length;</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;}</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="code" href="class_i_d3___field_impl.html#ab8c9fd2ac15148731126895883532167">  111</a></span>&#160;<span class="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* <a class="code" href="class_i_d3___field_impl.html#ab8c9fd2ac15148731126895883532167">ID3_FieldImpl::GetRawUnicodeText</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;  <span class="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* text = <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  <span class="keywordflow">if</span> (this-&gt;GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &amp;&amp;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;      this-&gt;GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a>)</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  {</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    text = (<a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *)_text.data();</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;  }</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;  <span class="keywordflow">return</span> text;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;}</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div>
<div class="line"><a name="l00122"></a><span class="lineno"><a class="code" href="class_i_d3___field_impl.html#a0b749211804be718ea62a216492944e6">  122</a></span>&#160;<span class="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* <a class="code" href="class_i_d3___field_impl.html#a0b749211804be718ea62a216492944e6">ID3_FieldImpl::GetRawUnicodeTextItem</a>(<span class="keywordtype">size_t</span> index)<span class="keyword"> const</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;  <span class="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* text = <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;  <span class="keywordflow">if</span> (this-&gt;GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &amp;&amp;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;      this-&gt;GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a> &amp;&amp;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;      index &lt; this-&gt;GetNumTextItems())</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;  {</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    String unicode = _text + <span class="charliteral">&#39;\0&#39;</span> + <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    text = (<a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *) unicode.data();</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; index; ++i)</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    {</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;      text += ucslen(text) + 1;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    }</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;  }</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;  <span class="keywordflow">return</span> text;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;}</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;</div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="code" href="class_i_d3___field_impl.html#abddb3eb765d1659d58484606a66f938f">  139</a></span>&#160;<span class="keywordtype">size_t</span> <a class="code" href="class_i_d3___field_impl.html#ab0e321c609325a38f29bc279bfb7b2be" title="Returns the value of the integer field.">ID3_FieldImpl::Get</a>(<a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *buffer, <span class="keywordtype">size_t</span> maxLength, <span class="keywordtype">size_t</span> itemNum)<span class="keyword"> const</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;  <span class="keywordtype">size_t</span> length = 0;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;  <span class="keywordtype">size_t</span> total_items = this-&gt;GetNumTextItems();</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;  <span class="keywordflow">if</span> (this-&gt;GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &amp;&amp;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;      this-&gt;GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a> &amp;&amp;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;      buffer != <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> &amp;&amp; maxLength &gt; 0 &amp;&amp; itemNum &lt; total_items)</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  {</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    <span class="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* text = this-&gt;GetRawUnicodeTextItem(itemNum);</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> != text)</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    {</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;      <span class="keywordtype">size_t</span> length = <a class="code" href="io__strings_8h.html#ac6afabdc09a49a433ee19d8a9486056d">dami::min</a>(maxLength, ucslen(text));</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;      ::memcpy(buffer, text, length * 2);</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;      <span class="keywordflow">if</span> (length &lt; maxLength)</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;      {</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        buffer[length] = <a class="code" href="globals_8h.html#adf2f9dc565f7cb248d7baf38c543376f">NULL_UNICODE</a>;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;      }</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    }</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;  }</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  <span class="keywordflow">return</span> length;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;}</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;</div>
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