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<h1>src/tag_parse.cpp</h1><a href="tag__parse_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: tag_parse.cpp,v 1.47 2002/11/24 17:33:30 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="comment">//#if defined HAVE_CONFIG_H</span>
<a name="l00029"></a>00029 <span class="comment">//#include <config.h> // Must include before zlib.h to compile on WinCE</span>
<a name="l00030"></a>00030 <span class="comment">//#endif</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">//#include <zlib.h></span>
<a name="l00033"></a>00033 <span class="comment">//#include <string.h></span>
<a name="l00034"></a>00034 <span class="comment">//#include <memory.h></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="tag__impl_8h.html">tag_impl.h</a>"</span> <span class="comment">//has <stdio.h> "tag.h" "header_tag.h" "frame.h" "field.h" "spec.h" "id3lib_strings.h" "utils.h"</span>
<a name="l00037"></a>00037 <span class="comment">//#include "id3/io_decorators.h" //has "readers.h" "io_helpers.h" "utils.h"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="io__strings_8h.html">io_strings.h</a>"</span>
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keyword">using namespace </span>dami;
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keyword">namespace</span>
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 <span class="keywordtype">bool</span> parseFrames(<a class="code" href="class_i_d3___tag_impl.html">ID3_TagImpl</a>& tag, <a class="code" href="class_i_d3___reader.html">ID3_Reader</a>& rdr)
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <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>();
<a name="l00047"></a>00047 <a class="code" href="classdami_1_1io_1_1_exit_trigger.html">io::ExitTrigger</a> et(rdr, beg);
<a name="l00048"></a>00048 <a class="code" href="class_i_d3___reader.html#a83194ea4d4e04e81302b095e9aa2275a">ID3_Reader::pos_type</a> last_pos = beg;
<a name="l00049"></a>00049 <span class="keywordtype">size_t</span> totalSize = 0;
<a name="l00050"></a>00050 <span class="keywordtype">size_t</span> frameSize = 0;
<a name="l00051"></a>00051 <span class="keywordflow">while</span> (!rdr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && rdr.<a class="code" href="class_i_d3___reader.html#af2b67659b76a3f28dac16e3522b552cf" title="Return the next character to be read without advancing the internal position.">peekChar</a>() != <span class="charliteral">'\0'</span>)
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 ID3D_NOTICE( <span class="stringliteral">"id3::v2::parseFrames(): rdr.getBeg() = "</span> << rdr.<a class="code" href="class_i_d3___reader.html#aeaf468ffe03c08731dcaf268fff3391b" title="Return the beginning position in the reader.">getBeg</a>() );
<a name="l00054"></a>00054 ID3D_NOTICE( <span class="stringliteral">"id3::v2::parseFrames(): rdr.getCur() = "</span> << rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>() );
<a name="l00055"></a>00055 ID3D_NOTICE( <span class="stringliteral">"id3::v2::parseFrames(): rdr.getEnd() = "</span> << rdr.<a class="code" href="class_i_d3___reader.html#a5872b6813a652d831b770bfb7d65aec8" title="Return the ending position in the reader.">getEnd</a>() );
<a name="l00056"></a>00056 last_pos = rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>();
<a name="l00057"></a>00057 <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a>* f = <span class="keyword">new</span> <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a>;
<a name="l00058"></a>00058 f->SetSpec(tag.<a class="code" href="class_i_d3___tag_impl.html#aaa19382ddecd2604e88c086c8ccd3982">GetSpec</a>());
<a name="l00059"></a>00059 <span class="keywordtype">bool</span> goodParse = f->Parse(rdr);
<a name="l00060"></a>00060 frameSize = rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>() - last_pos;
<a name="l00061"></a>00061 ID3D_NOTICE( <span class="stringliteral">"id3::v2::parseFrames(): frameSize = "</span> << frameSize );
<a name="l00062"></a>00062 totalSize += frameSize;
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keywordflow">if</span> (frameSize == 0)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="comment">// There is a problem.</span>
<a name="l00067"></a>00067 <span class="comment">// If the frame size is 0, then we can't progress.</span>
<a name="l00068"></a>00068 ID3D_WARNING( <span class="stringliteral">"id3::v2::parseFrames(): frame size is 0, can't "</span> <<
<a name="l00069"></a>00069 <span class="stringliteral">"continue parsing frames"</span>);
<a name="l00070"></a>00070 <span class="keyword">delete</span> f;
<a name="l00071"></a>00071 <span class="comment">// Break for now.</span>
<a name="l00072"></a>00072 <span class="keywordflow">break</span>;
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!goodParse)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="comment">// bad parse! we can't attach this frame.</span>
<a name="l00077"></a>00077 ID3D_WARNING( <span class="stringliteral">"id3::v2::parseFrames(): bad parse, deleting frame"</span>);
<a name="l00078"></a>00078 <span class="keyword">delete</span> f;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (f->GetID() != <a class="code" href="globals_8h.html#a78f454bf66f16b1e1c9f8e37bda9ab8aa6a7e8fdbf3f513471d12c7f86c927da9" title="Compressed meta frame (id3v2.2.1).">ID3FID_METACOMPRESSION</a>)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 ID3D_NOTICE( <span class="stringliteral">"id3::v2::parseFrames(): attaching non-compressed "</span> <<
<a name="l00083"></a>00083 <span class="stringliteral">"frame"</span>);
<a name="l00084"></a>00084 <span class="comment">// a good, uncompressed frame. attach away!</span>
<a name="l00085"></a>00085 tag.<a class="code" href="class_i_d3___tag_impl.html#adaf0656b5f9424cbefb336e48c711398">AttachFrame</a>(f);
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 <span class="keywordflow">else</span>
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 ID3D_NOTICE( <span class="stringliteral">"id3::v2::parseFrames(): parsing ID3v2.2.1 "</span> <<
<a name="l00090"></a>00090 <span class="stringliteral">"compressed frame"</span>);
<a name="l00091"></a>00091 <span class="comment">// hmm. an ID3v2.2.1 compressed frame. It contains 1 or more</span>
<a name="l00092"></a>00092 <span class="comment">// compressed frames. Uncompress and call parseFrames recursively.</span>
<a name="l00093"></a>00093 <a class="code" href="class_i_d3___field.html" title="The representative class of an ID3v2 field.">ID3_Field</a>* fld = f->GetField(<a class="code" href="globals_8h.html#a23cab982426a968437cd731900cfeb2cabd5e1e87686d7a1fc9ba291023e9ccc0" title="Data field.">ID3FN_DATA</a>);
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (fld)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 <a class="code" href="class_i_d3___memory_reader.html">ID3_MemoryReader</a> mr(fld-><a class="code" href="class_i_d3___field.html#ac2ad64c889eae4aa614a85d0aa38b2ab">GetRawBinary</a>(), fld-><a class="code" href="class_i_d3___field.html#aefa9e7690d7097ec315b029e31eb1973">BinSize</a>());
<a name="l00097"></a>00097 <a class="code" href="class_i_d3___reader.html#abc80771e4ce81188082eaa8fa90a67e6">ID3_Reader::char_type</a> ch = mr.readChar();
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (ch != <span class="charliteral">'z'</span>)
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 <span class="comment">// unknown compression method</span>
<a name="l00101"></a>00101 ID3D_WARNING( <span class="stringliteral">"id3::v2::parseFrames(): unknown compression id "</span> <<
<a name="l00102"></a>00102 <span class="stringliteral">" = '"</span> << ch << <span class="stringliteral">"'"</span> );
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 <span class="keywordflow">else</span>
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 uint32 newSize = <a class="code" href="namespacedami_1_1io.html#a4795dfc73c82683365f2738567c1d805">io::readBENumber</a>(mr, <span class="keyword">sizeof</span>(uint32));
<a name="l00107"></a>00107 <span class="keywordtype">size_t</span> oldSize = f->GetDataSize() - <span class="keyword">sizeof</span>(uint32) - 1;
<a name="l00108"></a>00108 <a class="code" href="classdami_1_1io_1_1_compressed_reader.html">io::CompressedReader</a> cr(mr, newSize);
<a name="l00109"></a>00109 parseFrames(tag, cr);
<a name="l00110"></a>00110 <span class="keywordflow">if</span> (!cr.atEnd())
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 <span class="comment">// hmm. it didn't parse the entire uncompressed data. wonder</span>
<a name="l00113"></a>00113 <span class="comment">// why.</span>
<a name="l00114"></a>00114 ID3D_WARNING( <span class="stringliteral">"id3::v2::parseFrames(): didn't parse entire "</span> <<
<a name="l00115"></a>00115 <span class="stringliteral">"id3v2.2.1 compressed memory stream"</span>);
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 <span class="keyword">delete</span> f;
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 et.setExitPos(rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>());
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 <span class="keywordflow">if</span> (rdr.<a class="code" href="class_i_d3___reader.html#af2b67659b76a3f28dac16e3522b552cf" title="Return the next character to be read without advancing the internal position.">peekChar</a>() == <span class="charliteral">'\0'</span>)
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125 ID3D_NOTICE( <span class="stringliteral">"id3::v2::parseFrames: done parsing, padding at postion "</span> <<
<a name="l00126"></a>00126 rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>() );
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128 <span class="keywordflow">else</span>
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 ID3D_NOTICE( <span class="stringliteral">"id3::v2::parseFrames: done parsing, [cur, end] = ["</span> <<
<a name="l00131"></a>00131 rdr.<a class="code" href="class_i_d3___reader.html#a232935e138e44ea49e5a289fb8d7ac94" title="Return the current position in the reader.">getCur</a>() << <span class="stringliteral">", "</span> << rdr.<a class="code" href="class_i_d3___reader.html#a5872b6813a652d831b770bfb7d65aec8" title="Return the ending position in the reader.">getEnd</a>() << <span class="stringliteral">"]"</span> );
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 };
<a name="l00136"></a>00136
<a name="l00137"></a><a class="code" href="namespacedami_1_1id3_1_1v2.html#a93c38ccdd150a780574125c6388335c9">00137</a> <span class="keywordtype">bool</span> <a class="code" href="namespacedami_1_1id3_1_1v1.html#addaa98a35f9c527e4b64c5441ad31475">id3::v2::parse</a>(<a class="code" href="class_i_d3___tag_impl.html">ID3_TagImpl</a>& tag, <a class="code" href="class_i_d3___reader.html">ID3_Reader</a>& reader)
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <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>();
<a name="l00140"></a>00140 <a class="code" href="classdami_1_1io_1_1_exit_trigger.html">io::ExitTrigger</a> et(reader);
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <a class="code" href="class_i_d3___tag_header.html">ID3_TagHeader</a> hdr;
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <a class="code" href="classdami_1_1io_1_1_windowed_reader.html" title="Set a window on the buffer.">io::WindowedReader</a> wr(reader, <a class="code" href="class_i_d3___tag_header.html#a4182519e23dc329bdf25ab1213bd6096a74cf4937e78303a0b961dfb12c9f2b04">ID3_TagHeader::SIZE</a>);
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keywordflow">if</span> (!hdr.<a class="code" href="class_i_d3___tag_header.html#a2e792b2e35d5163f51c8171e6bd8020d">Parse</a>(wr) || wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>() == beg)
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 ID3D_NOTICE( <span class="stringliteral">"id3::v2::parse(): parsing header failes"</span> );
<a name="l00149"></a>00149 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (hdr.<a class="code" href="class_i_d3___tag_header.html#a63d8e96ac054225f55bdfa0a7bbd57c6">GetExtended</a>())
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 hdr.<a class="code" href="class_i_d3___tag_header.html#a3efb8ababe8761607ec93568f1de7705">ParseExtended</a>(reader);
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155 tag.<a class="code" href="class_i_d3___tag_impl.html#a18f28fbd3a542be06879c28a7fc78e85">SetSpec</a>(hdr.<a class="code" href="class_i_d3___header.html#a08c242cc83e36074c30bc9f1b6468e56">GetSpec</a>());
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keywordtype">size_t</span> dataSize = hdr.<a class="code" href="class_i_d3___header.html#a79f72d5e938eeafe389a33649939aab3">GetDataSize</a>();
<a name="l00158"></a>00158 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::Parse(ID3_Reader&): dataSize = "</span> << dataSize);
<a name="l00159"></a>00159
<a name="l00160"></a>00160 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a57b425068a3ef9c0b94339e497f9c448">setWindow</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>(), dataSize);
<a name="l00161"></a>00161 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#a77ca5d466916df116adec205fc900011" title="Return the ending position in the reader.">getEnd</a>());
<a name="l00162"></a>00162
<a name="l00163"></a>00163 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::Parse(ID3_Reader&): data window beg = "</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>() );
<a name="l00164"></a>00164 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::Parse(ID3_Reader&): data window cur = "</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>() );
<a name="l00165"></a>00165 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::Parse(ID3_Reader&): data window end = "</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>() );
<a name="l00166"></a>00166 tag.<a class="code" href="class_i_d3___tag_impl.html#a8395c9a3407c9744bbdfc92063dc63ca">SetExtended</a>(hdr.<a class="code" href="class_i_d3___tag_header.html#a63d8e96ac054225f55bdfa0a7bbd57c6">GetExtended</a>());
<a name="l00167"></a>00167 <span class="keywordflow">if</span> (!hdr.<a class="code" href="class_i_d3___tag_header.html#a81a298b51935f6b56f3c20c66c43184e">GetUnsync</a>())
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 tag.<a class="code" href="class_i_d3___tag_impl.html#ab071074452a16728bff5176e054965fa">SetUnsync</a>(<span class="keyword">false</span>);
<a name="l00170"></a>00170 parseFrames(tag, wr);
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172 <span class="keywordflow">else</span>
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174 <span class="comment">// The buffer has been unsynced. It will have to be resynced to be</span>
<a name="l00175"></a>00175 <span class="comment">// readable. This has to be done a character at a time.</span>
<a name="l00176"></a>00176 <span class="comment">//</span>
<a name="l00177"></a>00177 <span class="comment">// The original reader may be reading in characters from a file. Doing</span>
<a name="l00178"></a>00178 <span class="comment">// this a character at a time is quite slow. To improve performance, read</span>
<a name="l00179"></a>00179 <span class="comment">// in the entire buffer into a string, then create an UnsyncedReader from</span>
<a name="l00180"></a>00180 <span class="comment">// the string.</span>
<a name="l00181"></a>00181 <span class="comment">//</span>
<a name="l00182"></a>00182 <span class="comment">// It might be better to implement a BufferedReader so that the details</span>
<a name="l00183"></a>00183 <span class="comment">// of this can be abstracted away behind a class</span>
<a name="l00184"></a>00184 tag.<a class="code" href="class_i_d3___tag_impl.html#ab071074452a16728bff5176e054965fa">SetUnsync</a>(<span class="keyword">true</span>);
<a name="l00185"></a>00185 BString raw = <a class="code" href="namespacedami_1_1io.html#a1ffb5b2f29a7ced17e69418187d27c88">io::readAllBinary</a>(wr);
<a name="l00186"></a>00186 <a class="code" href="classdami_1_1io_1_1_b_string_reader.html">io::BStringReader</a> bsr(raw);
<a name="l00187"></a>00187 <a class="code" href="classdami_1_1io_1_1_unsynced_reader.html">io::UnsyncedReader</a> ur(bsr);
<a name="l00188"></a>00188 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::Parse(ID3_Reader&): unsync beg = "</span> << ur.<a class="code" href="classdami_1_1io_1_1_char_reader.html#a2c6916df3ce06981a06e8d97b9d974fd" title="Return the beginning position in the reader.">getBeg</a>() );
<a name="l00189"></a>00189 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::Parse(ID3_Reader&): unsync cur = "</span> << ur.<a class="code" href="classdami_1_1io_1_1_char_reader.html#af69b47a7e9c96081366f59d9579581b2" title="Return the current position in the reader.">getCur</a>() );
<a name="l00190"></a>00190 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::Parse(ID3_Reader&): unsync end = "</span> << ur.<a class="code" href="classdami_1_1io_1_1_char_reader.html#a690e4089f3f1d382d3f8800aa47f13c8" title="Return the ending position in the reader.">getEnd</a>() );
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <span class="comment">// Now read the UnsyncedReader into another string, and parse the frames</span>
<a name="l00193"></a>00193 <span class="comment">// from the string. This is done so that 1. the unsynced reader is</span>
<a name="l00194"></a>00194 <span class="comment">// unsynced exactly once, removing the possibility of multiple unsyncings</span>
<a name="l00195"></a>00195 <span class="comment">// of the same string, and 2) so that calls to readChars aren't done a</span>
<a name="l00196"></a>00196 <span class="comment">// character at a time for every call</span>
<a name="l00197"></a>00197 BString synced = <a class="code" href="namespacedami_1_1io.html#a1ffb5b2f29a7ced17e69418187d27c88">io::readAllBinary</a>(ur);
<a name="l00198"></a>00198 <a class="code" href="classdami_1_1io_1_1_b_string_reader.html">io::BStringReader</a> sr(synced);
<a name="l00199"></a>00199 parseFrames(tag, sr);
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a><a class="code" href="class_i_d3___tag_impl.html#ab8053253873768d25d7188f34da9f75e">00205</a> <span class="keywordtype">void</span> <a class="code" href="class_i_d3___tag_impl.html#ab8053253873768d25d7188f34da9f75e">ID3_TagImpl::ParseFile</a>()
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 ifstream file;
<a name="l00208"></a>00208 <span class="keywordflow">if</span> (<a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84a92defcd73a15459b4e788cfef7b3f3eb" title="No error reported.">ID3E_NoError</a> != openReadableFile(this-><a class="code" href="class_i_d3___tag_impl.html#a66ff56b585189b1e393b9a33c81bd6f2">GetFileName</a>(), file))
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 <span class="comment">// log this...</span>
<a name="l00211"></a>00211 <span class="keywordflow">return</span>;
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213 <a class="code" href="class_i_d3___i_f_stream_reader.html">ID3_IFStreamReader</a> ifsr(file);
<a name="l00214"></a>00214 <a class="code" href="class_i_d3___tag_impl.html#a452b7f87e0a9ec5a7e61d60c6fbaf020">ParseReader</a>(ifsr);
<a name="l00215"></a>00215 file.close();
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217
<a name="l00218"></a>00218 <span class="comment">//used for streaming media</span>
<a name="l00219"></a><a class="code" href="class_i_d3___tag_impl.html#a452b7f87e0a9ec5a7e61d60c6fbaf020">00219</a> <span class="keywordtype">void</span> <a class="code" href="class_i_d3___tag_impl.html#a452b7f87e0a9ec5a7e61d60c6fbaf020">ID3_TagImpl::ParseReader</a>(<a class="code" href="class_i_d3___reader.html">ID3_Reader</a> &reader)
<a name="l00220"></a>00220 {
<a name="l00221"></a>00221 <span class="keywordtype">size_t</span> mp3_core_size;
<a name="l00222"></a>00222 <span class="keywordtype">size_t</span> bytes_till_sync;
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <a class="code" href="classdami_1_1io_1_1_windowed_reader.html" title="Set a window on the buffer.">io::WindowedReader</a> wr(reader);
<a name="l00225"></a>00225 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#aa7a9567e54804ef5a06e28bc5145672b">setBeg</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>());
<a name="l00226"></a>00226
<a name="l00227"></a>00227 _file_tags.<a class="code" href="class_i_d3___flags.html#a2f338d42b60c934a7e9e408820108b64">clear</a>();
<a name="l00228"></a>00228 _file_size = reader.<a class="code" href="class_i_d3___reader.html#a5872b6813a652d831b770bfb7d65aec8" title="Return the ending position in the reader.">getEnd</a>();
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <a class="code" href="class_i_d3___reader.html#a83194ea4d4e04e81302b095e9aa2275a">ID3_Reader::pos_type</a> beg = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a5ce82f2e98fff8d3b824e1fdd1e20dae" title="Return the beginning position in the reader.">getBeg</a>();
<a name="l00231"></a>00231 <a class="code" href="class_i_d3___reader.html#a83194ea4d4e04e81302b095e9aa2275a">ID3_Reader::pos_type</a> cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>();
<a name="l00232"></a>00232 <a class="code" href="class_i_d3___reader.html#a83194ea4d4e04e81302b095e9aa2275a">ID3_Reader::pos_type</a> <a class="code" href="class_i_d3___tag_impl.html#af20fcbf50b599ea55b0ec955bcad1a9d">end</a> = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a77ca5d466916df116adec205fc900011" title="Return the ending position in the reader.">getEnd</a>();
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <a class="code" href="class_i_d3___reader.html#a83194ea4d4e04e81302b095e9aa2275a">ID3_Reader::pos_type</a> last = cur;
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="keywordflow">if</span> (_tags_to_parse.<a class="code" href="class_i_d3___flags.html#a8619935f1b6dc6bbb9806be12fc3eac5">test</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348a4ff91179fcf70ae9d26c87d7a34bd42a" title="Represents an id3v2 tag.">ID3TT_ID3V2</a>))
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 <span class="keywordflow">do</span>
<a name="l00239"></a>00239 {
<a name="l00240"></a>00240 last = cur;
<a name="l00241"></a>00241 <span class="comment">// Parse tags at the beginning of the file first...</span>
<a name="l00242"></a>00242 <span class="keywordflow">if</span> (<a class="code" href="namespacedami_1_1id3_1_1v1.html#addaa98a35f9c527e4b64c5441ad31475">id3::v2::parse</a>(*<span class="keyword">this</span>, wr))
<a name="l00243"></a>00243 {
<a name="l00244"></a>00244 _file_tags.<a class="code" href="class_i_d3___flags.html#ae49b445ec2c343d8c387445bbefa384b">add</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348a4ff91179fcf70ae9d26c87d7a34bd42a" title="Represents an id3v2 tag.">ID3TT_ID3V2</a>);
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246 cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>();
<a name="l00247"></a>00247 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#aa7a9567e54804ef5a06e28bc5145672b">setBeg</a>(cur);
<a name="l00248"></a>00248 } <span class="keywordflow">while</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && cur > last);
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 <span class="comment">// add silly padding outside the tag to _prepended_bytes</span>
<a name="l00251"></a>00251 <span class="keywordflow">if</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() == <span class="charliteral">'\0'</span>)
<a name="l00252"></a>00252 {
<a name="l00253"></a>00253 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): found padding outside tag"</span> );
<a name="l00254"></a>00254 <span class="keywordflow">do</span>
<a name="l00255"></a>00255 {
<a name="l00256"></a>00256 last = cur;
<a name="l00257"></a>00257 cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>() + 1;
<a name="l00258"></a>00258 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#aa7a9567e54804ef5a06e28bc5145672b">setBeg</a>(cur);
<a name="l00259"></a>00259 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(cur);
<a name="l00260"></a>00260 } <span class="keywordflow">while</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && cur > last && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() == <span class="charliteral">'\0'</span>);
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 <span class="keywordflow">if</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && _file_size - (cur - beg) > 4 && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() == 255)
<a name="l00263"></a>00263 { <span class="comment">//unfortunatly, this is necessary for finding an invalid padding</span>
<a name="l00264"></a>00264 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(cur + 1); <span class="comment">//cur is known by peekChar</span>
<a name="l00265"></a>00265 <span class="keywordflow">if</span> (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>() == <span class="charliteral">'\0'</span> && 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>() == <span class="charliteral">'\0'</span> && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() == <span class="charliteral">'\0'</span>)
<a name="l00266"></a>00266 { <span class="comment">//three empty bytes found, enough for me, this is stupid padding</span>
<a name="l00267"></a>00267 cur += 3; <span class="comment">//those are now allready read in (excluding the peekChar, since it will be added by do{})</span>
<a name="l00268"></a>00268 <span class="keywordflow">do</span>
<a name="l00269"></a>00269 {
<a name="l00270"></a>00270 last = cur;
<a name="l00271"></a>00271 cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>() + 1;
<a name="l00272"></a>00272 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#aa7a9567e54804ef5a06e28bc5145672b">setBeg</a>(cur);
<a name="l00273"></a>00273 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(cur);
<a name="l00274"></a>00274 } <span class="keywordflow">while</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && cur > last && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() == <span class="charliteral">'\0'</span>);
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276 <span class="keywordflow">else</span>
<a name="l00277"></a>00277 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(cur);
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279 _prepended_bytes = cur - beg;
<a name="l00280"></a>00280 <span class="comment">// go looking for the first sync byte to add to bytes_till_sync</span>
<a name="l00281"></a>00281 <span class="comment">// by not adding it to _prepended_bytes, we preserve this 'unknown' data</span>
<a name="l00282"></a>00282 <span class="comment">// The routine's only effect is helping the lib to find things as bitrate etc.</span>
<a name="l00283"></a>00283 beg = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a5ce82f2e98fff8d3b824e1fdd1e20dae" title="Return the beginning position in the reader.">getBeg</a>();
<a name="l00284"></a>00284 <span class="keywordflow">if</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() != 0xFF) <span class="comment">//no sync byte, so, either this is not followed by a mp3 file or it's a fLaC file, or an encapsulating format, better check it</span>
<a name="l00285"></a>00285 {
<a name="l00286"></a>00286 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): Didn't find mp3 sync byte"</span> );
<a name="l00287"></a>00287 <span class="keywordflow">if</span> ((_file_size - (cur - beg)) >= 4)
<a name="l00288"></a>00288 { <span class="comment">//there is room to search for some kind of ID</span>
<a name="l00289"></a>00289 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[5];
<a name="l00290"></a>00290 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#ad3abff7485afcaf9ce119fb502ddec49" title="Read up to len characters into buf and advance the internal position accordingly...">readChars</a>(buf, 4);
<a name="l00291"></a>00291 buf[4] = <span class="charliteral">'\0'</span>;
<a name="l00292"></a>00292 <span class="comment">// check for RIFF (an encapsulating format) ID</span>
<a name="l00293"></a>00293 <span class="keywordflow">if</span> (strncmp((<span class="keywordtype">char</span>*)buf, <span class="stringliteral">"RIFF"</span>, 4) == 0 || strncmp((<span class="keywordtype">char</span>*)buf, <span class="stringliteral">"RIFX"</span>, 4) == 0)
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 <span class="comment">// next 4 bytes are RIFF size, skip them</span>
<a name="l00296"></a>00296 cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>() + 4;
<a name="l00297"></a>00297 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(cur);
<a name="l00298"></a>00298 <span class="comment">// loop until first possible sync byte</span>
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() != 0xFF)
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 <span class="keywordflow">do</span>
<a name="l00302"></a>00302 {
<a name="l00303"></a>00303 last = cur;
<a name="l00304"></a>00304 cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>() + 1;
<a name="l00305"></a>00305 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(cur);
<a name="l00306"></a>00306 } <span class="keywordflow">while</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && cur > last && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() != 0xFF);
<a name="l00307"></a>00307 }
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncmp((<span class="keywordtype">char</span>*)buf, <span class="stringliteral">"fLaC"</span>, 4) == 0)
<a name="l00310"></a>00310 { <span class="comment">//a FLAC file, no need looking for a sync byte</span>
<a name="l00311"></a>00311 beg = cur;
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <span class="keywordflow">else</span>
<a name="l00314"></a>00314 { <span class="comment">//since we set the cursor 4 bytes ahead for looking for RIFF, RIFX or fLaC, better set it back</span>
<a name="l00315"></a>00315 <span class="comment">// but peekChar allready checked the first one, so we add one</span>
<a name="l00316"></a>00316 cur = cur + 1;
<a name="l00317"></a>00317 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(cur);
<a name="l00318"></a>00318 <span class="comment">//go looking for a sync byte</span>
<a name="l00319"></a>00319 <span class="keywordflow">if</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() != 0xFF) <span class="comment">//no sync byte, we have an unknown byte</span>
<a name="l00320"></a>00320 {
<a name="l00321"></a>00321 <span class="keywordflow">do</span>
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 last = cur;
<a name="l00324"></a>00324 cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>() + 1;
<a name="l00325"></a>00325 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(cur);
<a name="l00326"></a>00326 } <span class="keywordflow">while</span> (!wr.<a class="code" href="class_i_d3___reader.html#a2d7e9a6e4c4c5f751035ea507c6cadb5">atEnd</a>() && cur > last && wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a27d83c8e50405c33909080dd4e095563" title="Return the next character to be read without advancing the internal position.">peekChar</a>() != 0xFF);
<a name="l00327"></a>00327 }
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 } <span class="comment">//if ((_file_size - (cur - beg)) >= 4)</span>
<a name="l00330"></a>00330 <span class="keywordflow">else</span>
<a name="l00331"></a>00331 { <span class="comment">//remaining size is smaller than 4 bytes, can't be useful, but leave it for now</span>
<a name="l00332"></a>00332 beg = cur;
<a name="l00333"></a>00333 <span class="comment">//file.close();</span>
<a name="l00334"></a>00334 <span class="comment">//return;</span>
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336 }
<a name="l00337"></a>00337 bytes_till_sync = cur - beg;
<a name="l00338"></a>00338
<a name="l00339"></a>00339 cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(end);
<a name="l00340"></a>00340 <span class="keywordflow">if</span> (_file_size > _prepended_bytes)
<a name="l00341"></a>00341 {
<a name="l00342"></a>00342 <span class="keywordflow">do</span>
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344 last = cur;
<a name="l00345"></a>00345 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): beg = "</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>() );
<a name="l00346"></a>00346 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): cur = "</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>() );
<a name="l00347"></a>00347 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): end = "</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>() );
<a name="l00348"></a>00348 <span class="comment">// ...then the tags at the end</span>
<a name="l00349"></a>00349 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): musicmatch? cur = "</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>() );
<a name="l00350"></a>00350 <span class="keywordflow">if</span> (_tags_to_parse.<a class="code" href="class_i_d3___flags.html#a8619935f1b6dc6bbb9806be12fc3eac5">test</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348aa1f5f9868591b0393236e35fd3c5d416" title="Represents a MusicMatch tag.">ID3TT_MUSICMATCH</a>) && <a class="code" href="namespacedami_1_1id3_1_1v1.html#addaa98a35f9c527e4b64c5441ad31475">mm::parse</a>(*<span class="keyword">this</span>, wr))
<a name="l00351"></a>00351 {
<a name="l00352"></a>00352 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): musicmatch! cur = "</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>() );
<a name="l00353"></a>00353 _file_tags.<a class="code" href="class_i_d3___flags.html#ae49b445ec2c343d8c387445bbefa384b">add</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348aa1f5f9868591b0393236e35fd3c5d416" title="Represents a MusicMatch tag.">ID3TT_MUSICMATCH</a>);
<a name="l00354"></a>00354 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#af4d73fed0c9ae1f35b7b6a079fdd694d">setEnd</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>());
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): lyr3v1? cur = "</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>() );
<a name="l00357"></a>00357 <span class="keywordflow">if</span> (_tags_to_parse.<a class="code" href="class_i_d3___flags.html#a8619935f1b6dc6bbb9806be12fc3eac5">test</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348a4d761ebb6a7904a5fbcdfd291cdb7b6c" title="Represents a Lyrics3 tag.">ID3TT_LYRICS3</a>) && <a class="code" href="namespacedami_1_1id3_1_1v1.html#addaa98a35f9c527e4b64c5441ad31475">lyr3::v1::parse</a>(*<span class="keyword">this</span>, wr))
<a name="l00358"></a>00358 {
<a name="l00359"></a>00359 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): lyr3v1! cur = "</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>() );
<a name="l00360"></a>00360 _file_tags.<a class="code" href="class_i_d3___flags.html#ae49b445ec2c343d8c387445bbefa384b">add</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348a4d761ebb6a7904a5fbcdfd291cdb7b6c" title="Represents a Lyrics3 tag.">ID3TT_LYRICS3</a>);
<a name="l00361"></a>00361 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#af4d73fed0c9ae1f35b7b6a079fdd694d">setEnd</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>());
<a name="l00362"></a>00362 }
<a name="l00363"></a>00363 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): lyr3v2? cur = "</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>() );
<a name="l00364"></a>00364 <span class="keywordflow">if</span> (_tags_to_parse.<a class="code" href="class_i_d3___flags.html#a8619935f1b6dc6bbb9806be12fc3eac5">test</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348a9d07484735acecbae86d2ffca7bd0cfa" title="Represents a Lyrics3 v2.00 tag.">ID3TT_LYRICS3V2</a>) && <a class="code" href="namespacedami_1_1id3_1_1v1.html#addaa98a35f9c527e4b64c5441ad31475">lyr3::v2::parse</a>(*<span class="keyword">this</span>, wr))
<a name="l00365"></a>00365 {
<a name="l00366"></a>00366 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): lyr3v2! cur = "</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>() );
<a name="l00367"></a>00367 _file_tags.<a class="code" href="class_i_d3___flags.html#ae49b445ec2c343d8c387445bbefa384b">add</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348a9d07484735acecbae86d2ffca7bd0cfa" title="Represents a Lyrics3 v2.00 tag.">ID3TT_LYRICS3V2</a>);
<a name="l00368"></a>00368 cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>();
<a name="l00369"></a>00369 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a77ca5d466916df116adec205fc900011" title="Return the ending position in the reader.">getEnd</a>());<span class="comment">//set to end to seek id3v1 tag</span>
<a name="l00370"></a>00370 <span class="comment">//check for id3v1 tag and set End accordingly</span>
<a name="l00371"></a>00371 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): id3v1? cur = "</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>() );
<a name="l00372"></a>00372 <span class="keywordflow">if</span> (_tags_to_parse.<a class="code" href="class_i_d3___flags.html#a8619935f1b6dc6bbb9806be12fc3eac5">test</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348ad874770876eb09c8d37ed7f6e60546f8" title="Represents an id3v1 or id3v1.1 tag.">ID3TT_ID3V1</a>) && <a class="code" href="namespacedami_1_1id3_1_1v1.html#addaa98a35f9c527e4b64c5441ad31475">id3::v1::parse</a>(*<span class="keyword">this</span>, wr))
<a name="l00373"></a>00373 {
<a name="l00374"></a>00374 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): id3v1! cur = "</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>() );
<a name="l00375"></a>00375 _file_tags.<a class="code" href="class_i_d3___flags.html#ae49b445ec2c343d8c387445bbefa384b">add</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348ad874770876eb09c8d37ed7f6e60546f8" title="Represents an id3v1 or id3v1.1 tag.">ID3TT_ID3V1</a>);
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(cur);
<a name="l00378"></a>00378 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#af4d73fed0c9ae1f35b7b6a079fdd694d">setEnd</a>(cur);
<a name="l00379"></a>00379 }
<a name="l00380"></a>00380 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): id3v1? cur = "</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>() );
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (_tags_to_parse.<a class="code" href="class_i_d3___flags.html#a8619935f1b6dc6bbb9806be12fc3eac5">test</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348ad874770876eb09c8d37ed7f6e60546f8" title="Represents an id3v1 or id3v1.1 tag.">ID3TT_ID3V1</a>) && <a class="code" href="namespacedami_1_1id3_1_1v1.html#addaa98a35f9c527e4b64c5441ad31475">id3::v1::parse</a>(*<span class="keyword">this</span>, wr))
<a name="l00382"></a>00382 {
<a name="l00383"></a>00383 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): id3v1! cur = "</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>() );
<a name="l00384"></a>00384 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#af4d73fed0c9ae1f35b7b6a079fdd694d">setEnd</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>());
<a name="l00385"></a>00385 _file_tags.<a class="code" href="class_i_d3___flags.html#ae49b445ec2c343d8c387445bbefa384b">add</a>(<a class="code" href="globals_8h.html#a2d783dffbb1bb13e23080984b277b348ad874770876eb09c8d37ed7f6e60546f8" title="Represents an id3v1 or id3v1.1 tag.">ID3TT_ID3V1</a>);
<a name="l00386"></a>00386 }
<a name="l00387"></a>00387 cur = wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a033246ebae34ce4f17cd3f0cab5a02ac" title="Return the current position in the reader.">getCur</a>();
<a name="l00388"></a>00388 } <span class="keywordflow">while</span> (cur != last);
<a name="l00389"></a>00389 _appended_bytes = end - cur;
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="comment">// Now get the mp3 header</span>
<a name="l00392"></a>00392 mp3_core_size = (_file_size - _appended_bytes) - (_prepended_bytes + bytes_till_sync);
<a name="l00393"></a>00393 <span class="keywordflow">if</span> (mp3_core_size >= 4)
<a name="l00394"></a>00394 { <span class="comment">//it has at least the size for a mp3 header (a mp3 header is 4 bytes)</span>
<a name="l00395"></a>00395 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#aa7a9567e54804ef5a06e28bc5145672b">setBeg</a>(_prepended_bytes + bytes_till_sync);
<a name="l00396"></a>00396 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#a6c0e268b8b66da89812d7d2f211c1d57" title="Set the value of the current position for reading.">setCur</a>(_prepended_bytes + bytes_till_sync);
<a name="l00397"></a>00397 wr.<a class="code" href="classdami_1_1io_1_1_windowed_reader.html#af4d73fed0c9ae1f35b7b6a079fdd694d">setEnd</a>(_file_size - _appended_bytes);
<a name="l00398"></a>00398
<a name="l00399"></a>00399 _mp3_info = <span class="keyword">new</span> <a class="code" href="class_mp3_info.html">Mp3Info</a>;
<a name="l00400"></a>00400 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): mp3header? cur = "</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>() );
<a name="l00401"></a>00401
<a name="l00402"></a>00402 <span class="keywordflow">if</span> (_mp3_info-><a class="code" href="class_mp3_info.html#afd960ec47e798fb1e7d9988d038ed176">Parse</a>(wr, mp3_core_size))
<a name="l00403"></a>00403 {
<a name="l00404"></a>00404 ID3D_NOTICE( <span class="stringliteral">"ID3_TagImpl::ParseReader(): mp3header! cur = "</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>() );
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406 <span class="keywordflow">else</span>
<a name="l00407"></a>00407 {
<a name="l00408"></a>00408 <span class="keyword">delete</span> _mp3_info;
<a name="l00409"></a>00409 _mp3_info = <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411 }
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413 <span class="keywordflow">else</span>
<a name="l00414"></a>00414 this-><a class="code" href="class_i_d3___tag_impl.html#a88fb683e9e9339f5efaa251d31a0c37e">SetPadding</a>(<span class="keyword">false</span>); <span class="comment">//no need to pad an empty file</span>
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416
</pre></div></div>
<hr class="footer"/><address style="text-align: right;"><small>Generated on Wed Jan 12 23:46:35 2011 for id3lib by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address>
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distrib
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Mageia
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