<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.3"/> <title>id3lib: src/field_string_unicode.cpp Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="id3lib.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">id3lib  <span id="projectnumber">3.8.3</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.3 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">field_string_unicode.cpp</div> </div> </div><!--header--> <div class="contents"> <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> <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> </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">#include "<a class="code" href="field__impl_8h.html">field_impl.h</a>"</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "id3/utils.h"</span> <span class="comment">// has <config.h> "id3/id3lib_streams.h" "id3/globals.h" "id3/id3lib_strings.h"</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="io__helpers_8h.html">io_helpers.h</a>"</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">using namespace </span>dami;</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </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> <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> {</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">size_t</span> size = 0;</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (this->GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &&</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  this->GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a> && data)</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  {</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  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>  size = this->SetText_i(text);</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> size;</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> </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> <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> {</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">size_t</span> size = 0;</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (this->GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &&</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  this->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>  {</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  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>  size = this->AddText_i(text);</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>  <span class="keywordflow">return</span> size;</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </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> <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> <span class="keyword"></span>{</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">size_t</span> length = 0;</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (this->GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &&</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  this->GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a> &&</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  buffer != <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && maxLength > 0)</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  {</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">size_t</span> size = this-><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>  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>  ::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>  <span class="keywordflow">if</span> (length < maxLength)</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>  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>  }</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>  <span class="keywordflow">return</span> length;</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> </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> <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> <span class="keyword"></span>{</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <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>  <span class="keywordflow">if</span> (this->GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &&</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  this->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>  {</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  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>  }</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> text;</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="code" href="class_i_d3___field_impl.html#a0b749211804be718ea62a216492944e6"> 122</a></span> <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> <span class="keyword"></span>{</div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <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>  <span class="keywordflow">if</span> (this->GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &&</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  this->GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a> &&</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  index < this->GetNumTextItems())</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>  String unicode = _text + <span class="charliteral">'\0'</span> + <span class="charliteral">'\0'</span>;</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  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>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < index; ++i)</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>  text += ucslen(text) + 1;</div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> text;</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> </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> <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> <span class="keyword"></span>{</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">size_t</span> length = 0;</div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">size_t</span> total_items = this->GetNumTextItems();</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (this->GetType() == <a class="code" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6ba2ee1dd56f8581f7c930d8ae610d9fb55">ID3FTY_TEXTSTRING</a> &&</div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  this->GetEncoding() == <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39ac5345a1533e33f6d71840f30e83e0d02">ID3TE_UNICODE</a> &&</div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  buffer != <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && maxLength > 0 && itemNum < total_items)</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="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* text = this->GetRawUnicodeTextItem(itemNum);</div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <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>  {</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <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>  ::memcpy(buffer, text, length * 2);</div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span> (length < maxLength)</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>  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>  }</div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</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="keywordflow">return</span> length;</div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> }</div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> 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