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<h1>src/spec.cpp</h1><a href="spec_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// $Id: spec.cpp,v 1.2 2002/07/31 13:20:49 t1mpy Exp $</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="comment">// id3lib: a C++ library for creating and manipulating id3v1/v2 tags</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright 1999, 2000 Scott Thomas Haug</span>
<a name="l00005"></a>00005 <span class="comment">// Copyright 2002 Thijmen Klok (thijmen@id3lib.org)</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="comment">// This library is free software; you can redistribute it and/or modify it</span>
<a name="l00008"></a>00008 <span class="comment">// under the terms of the GNU Library General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment">// the Free Software Foundation; either version 2 of the License, or (at your</span>
<a name="l00010"></a>00010 <span class="comment">// option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// This library is distributed in the hope that it will be useful, but WITHOUT</span>
<a name="l00013"></a>00013 <span class="comment">// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
<a name="l00014"></a>00014 <span class="comment">// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public</span>
<a name="l00015"></a>00015 <span class="comment">// License for more details.</span>
<a name="l00016"></a>00016 <span class="comment">//</span>
<a name="l00017"></a>00017 <span class="comment">// You should have received a copy of the GNU Library General Public License</span>
<a name="l00018"></a>00018 <span class="comment">// along with this library; if not, write to the Free Software Foundation,</span>
<a name="l00019"></a>00019 <span class="comment">// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="comment">// The id3lib authors encourage improvements and optimisations to be sent to</span>
<a name="l00022"></a>00022 <span class="comment">// the id3lib coordinator. Please see the README file for details on where to</span>
<a name="l00023"></a>00023 <span class="comment">// send such submissions. See the AUTHORS file for a list of people who have</span>
<a name="l00024"></a>00024 <span class="comment">// contributed to id3lib. See the ChangeLog file for a list of changes to</span>
<a name="l00025"></a>00025 <span class="comment">// id3lib. These files are distributed with id3lib at</span>
<a name="l00026"></a>00026 <span class="comment">// http://download.sourceforge.net/id3lib/</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#if defined HAVE_CONFIG_H</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#endif</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="spec_8h.html">spec.h</a>"</span>
<a name="l00033"></a>00033
<a name="l00034"></a><a class="code" href="spec_8h.html#a524c18ac3e56647f77403d8393b1b5e0">00034</a> <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612">ID3_V2Spec</a> <a class="code" href="spec_8cpp.html#a524c18ac3e56647f77403d8393b1b5e0">ID3_VerRevToV2Spec</a>(<a class="code" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> ver, <a class="code" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> rev)
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612">ID3_V2Spec</a> spec = <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612a69461b388782e6d8c97db6fb3d4a4d79">ID3V2_UNKNOWN</a>;
<a name="l00037"></a>00037 <span class="keywordflow">if</span> (2 == ver)
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keywordflow">if</span> (0 == rev)
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 spec = <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612adcca0558f65591b61401094ae1b2d621">ID3V2_2_0</a>;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (1 == rev)
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 spec = <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612a20e44406a184e6ae825e38dcf3980c4f">ID3V2_2_1</a>;
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (3 == ver)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <span class="keywordflow">if</span> (0 == rev)
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 spec = <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612af1a537f047f6947efbc735bd0685a9df">ID3V2_3_0</a>;
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (4 == ver)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="keywordflow">if</span> (0 == rev)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 spec = <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612a1882d42672435168a929dec16e329a24">ID3V2_4_0</a>;
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordflow">return</span> spec;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a><a class="code" href="spec_8h.html#a9791b9b9639436f8bdeadcdf5b0afb01">00066</a> <a class="code" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> <a class="code" href="spec_8cpp.html#a9791b9b9639436f8bdeadcdf5b0afb01">ID3_V2SpecToVer</a>(<a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612">ID3_V2Spec</a> spec)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 <a class="code" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> ver = 0;
<a name="l00069"></a>00069 <span class="keywordflow">switch</span> (spec)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612adcca0558f65591b61401094ae1b2d621">ID3V2_2_0</a>:
<a name="l00072"></a>00072 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612a20e44406a184e6ae825e38dcf3980c4f">ID3V2_2_1</a>:
<a name="l00073"></a>00073 ver = 2;
<a name="l00074"></a>00074 <span class="keywordflow">break</span>;
<a name="l00075"></a>00075 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612af1a537f047f6947efbc735bd0685a9df">ID3V2_3_0</a>:
<a name="l00076"></a>00076 ver = 3;
<a name="l00077"></a>00077 <span class="keywordflow">break</span>;
<a name="l00078"></a>00078 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612a1882d42672435168a929dec16e329a24">ID3V2_4_0</a>:
<a name="l00079"></a>00079 ver = 4;
<a name="l00080"></a>00080 <span class="keywordflow">break</span>;
<a name="l00081"></a>00081 <span class="keywordflow">default</span>:
<a name="l00082"></a>00082 <span class="keywordflow">break</span>;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 <span class="keywordflow">return</span> ver;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a><a class="code" href="spec_8h.html#a1c744d3bdf1fc3cf2fd9e2c5700af223">00087</a> <a class="code" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> <a class="code" href="spec_8cpp.html#a1c744d3bdf1fc3cf2fd9e2c5700af223">ID3_V2SpecToRev</a>(<a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612">ID3_V2Spec</a> spec)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <a class="code" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> rev = 0;
<a name="l00090"></a>00090 <span class="keywordflow">switch</span> (spec)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612a1882d42672435168a929dec16e329a24">ID3V2_4_0</a>:
<a name="l00093"></a>00093 rev = 0;
<a name="l00094"></a>00094 <span class="keywordflow">break</span>;
<a name="l00095"></a>00095 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612af1a537f047f6947efbc735bd0685a9df">ID3V2_3_0</a>:
<a name="l00096"></a>00096 rev = 0;
<a name="l00097"></a>00097 <span class="keywordflow">break</span>;
<a name="l00098"></a>00098 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612a20e44406a184e6ae825e38dcf3980c4f">ID3V2_2_1</a>:
<a name="l00099"></a>00099 rev = 1;
<a name="l00100"></a>00100 <span class="keywordflow">break</span>;
<a name="l00101"></a>00101 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612adcca0558f65591b61401094ae1b2d621">ID3V2_2_0</a>:
<a name="l00102"></a>00102 rev = 0;
<a name="l00103"></a>00103 <span class="keywordflow">break</span>;
<a name="l00104"></a>00104 <span class="keywordflow">default</span>:
<a name="l00105"></a>00105 <span class="keywordflow">break</span>;
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 <span class="keywordflow">return</span> rev;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
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