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<h1>src/tag_find.cpp</h1><a href="tag__find_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_find.cpp,v 1.28 2003/03/02 14:39:25 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
<a name="l00006"></a>00006 <span class="comment">// This library is free software; you can redistribute it and/or modify it</span>
<a name="l00007"></a>00007 <span class="comment">// under the terms of the GNU Library General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment">// the Free Software Foundation; either version 2 of the License, or (at your</span>
<a name="l00009"></a>00009 <span class="comment">// option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// This library is distributed in the hope that it will be useful, but WITHOUT</span>
<a name="l00012"></a>00012 <span class="comment">// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
<a name="l00013"></a>00013 <span class="comment">// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public</span>
<a name="l00014"></a>00014 <span class="comment">// License for more details.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// You should have received a copy of the GNU Library General Public License</span>
<a name="l00017"></a>00017 <span class="comment">// along with this library; if not, write to the Free Software Foundation,</span>
<a name="l00018"></a>00018 <span class="comment">// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">// The id3lib authors encourage improvements and optimisations to be sent to</span>
<a name="l00021"></a>00021 <span class="comment">// the id3lib coordinator. Please see the README file for details on where to</span>
<a name="l00022"></a>00022 <span class="comment">// send such submissions. See the AUTHORS file for a list of people who have</span>
<a name="l00023"></a>00023 <span class="comment">// contributed to id3lib. See the ChangeLog file for a list of changes to</span>
<a name="l00024"></a>00024 <span class="comment">// id3lib. These files are distributed with id3lib at</span>
<a name="l00025"></a>00025 <span class="comment">// http://download.sourceforge.net/id3lib/</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <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="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">using namespace </span>dami;
<a name="l00030"></a>00030
<a name="l00031"></a><a class="code" href="class_i_d3___tag_impl.html#ad25eec76eeec71f958431717eb3e6f00">00031</a> <a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">ID3_TagImpl::const_iterator</a> <a class="code" href="class_i_d3___tag_impl.html#ae2a17dca1c627e387cc4e351fff11eeb">ID3_TagImpl::Find</a>(<span class="keyword">const</span> <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *frame)<span class="keyword"> const</span>
<a name="l00032"></a>00032 <span class="keyword"></span>{
<a name="l00033"></a>00033 <a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">const_iterator</a> cur = _frames.begin();
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keywordflow">for</span> (; cur != _frames.end(); ++cur)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keywordflow">if</span> (*cur == frame)
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keywordflow">break</span>;
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keywordflow">return</span> cur;
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="class_i_d3___tag_impl.html#accfcaadd685234dab46d8b98dbec449a">00046</a> <a class="code" href="class_i_d3___tag_impl.html#a65a396e4561ed22e3feebc4e30c91bf4">ID3_TagImpl::iterator</a> <a class="code" href="class_i_d3___tag_impl.html#ae2a17dca1c627e387cc4e351fff11eeb">ID3_TagImpl::Find</a>(<span class="keyword">const</span> <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *frame)
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <a class="code" href="class_i_d3___tag_impl.html#a65a396e4561ed22e3feebc4e30c91bf4">iterator</a> cur = _frames.begin();
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keywordflow">for</span> (; cur != _frames.end(); ++cur)
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 <span class="keywordflow">if</span> (*cur == frame)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 <span class="keywordflow">break</span>;
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keywordflow">return</span> cur;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a><a class="code" href="class_i_d3___tag_impl.html#ae2a17dca1c627e387cc4e351fff11eeb">00061</a> <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *<a class="code" href="class_i_d3___tag_impl.html#ae2a17dca1c627e387cc4e351fff11eeb">ID3_TagImpl::Find</a>(<a class="code" href="globals_8h.html#a78f454bf66f16b1e1c9f8e37bda9ab8a" title="Enumeration of the different types of frames recognized by id3lib.">ID3_FrameID</a> <span class="keywordtype">id</span>)<span class="keyword"> const</span>
<a name="l00062"></a>00062 <span class="keyword"></span>{
<a name="l00063"></a>00063 <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *frame = <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="comment">// reset the cursor if it isn't set</span>
<a name="l00066"></a>00066 <span class="keywordflow">if</span> (_frames.end() == _cursor)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 _cursor = _frames.begin();
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> iCount = 0; iCount < 2 && frame == <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; iCount++)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <span class="comment">// We want to cycle through the list to find the matching frame. We</span>
<a name="l00075"></a>00075 <span class="comment">// should begin from the cursor, search each successive frame, wrapping</span>
<a name="l00076"></a>00076 <span class="comment">// if necessary. The enclosing loop and the assignment statments below</span>
<a name="l00077"></a>00077 <span class="comment">// ensure that we first begin at the cursor and search to the end of the</span>
<a name="l00078"></a>00078 <span class="comment">// list and, if unsuccessful, start from the beginning of the list and</span>
<a name="l00079"></a>00079 <span class="comment">// search to the cursor.</span>
<a name="l00080"></a>00080 <a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">const_iterator</a>
<a name="l00081"></a>00081 <a class="code" href="class_i_d3___tag_impl.html#a9e0d55c54fb3697b9ebb34d060bfa101">begin</a> = (0 == iCount ? _cursor : _frames.begin()),
<a name="l00082"></a>00082 <a class="code" href="class_i_d3___tag_impl.html#af20fcbf50b599ea55b0ec955bcad1a9d">end</a> = (0 == iCount ? _frames.end() : _cursor);
<a name="l00083"></a>00083 <span class="comment">// search from the cursor to the end</span>
<a name="l00084"></a>00084 <span class="keywordflow">for</span> (<a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">const_iterator</a> cur = begin; cur != <a class="code" href="class_i_d3___tag_impl.html#af20fcbf50b599ea55b0ec955bcad1a9d">end</a>; ++cur)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 <span class="keywordflow">if</span> ((*cur != <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && ((*cur)->GetID() == id))
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="comment">// We've found a valid frame. Set the cursor to be the next element</span>
<a name="l00089"></a>00089 frame = *cur;
<a name="l00090"></a>00090 _cursor = ++cur;
<a name="l00091"></a>00091 <span class="keywordflow">break</span>;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordflow">return</span> frame;
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *<a class="code" href="class_i_d3___tag_impl.html#ae2a17dca1c627e387cc4e351fff11eeb">ID3_TagImpl::Find</a>(<a class="code" href="globals_8h.html#a78f454bf66f16b1e1c9f8e37bda9ab8a" title="Enumeration of the different types of frames recognized by id3lib.">ID3_FrameID</a> <span class="keywordtype">id</span>, <a class="code" href="globals_8h.html#a23cab982426a968437cd731900cfeb2c" title="Enumeration of the different types of fields in a frame.">ID3_FieldID</a> fldID, String data)<span class="keyword"> const</span>
<a name="l00100"></a>00100 <span class="keyword"></span>{
<a name="l00101"></a>00101 <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *frame = <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00102"></a>00102 ID3D_NOTICE( <span class="stringliteral">"Find: looking for comment with data = "</span> << data.c_str() );
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="comment">// reset the cursor if it isn't set</span>
<a name="l00105"></a>00105 <span class="keywordflow">if</span> (_frames.end() == _cursor)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107 _cursor = _frames.begin();
<a name="l00108"></a>00108 ID3D_NOTICE( <span class="stringliteral">"Find: resetting cursor"</span> );
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> iCount = 0; iCount < 2 && frame == <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; iCount++)
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 ID3D_NOTICE( <span class="stringliteral">"Find: iCount = "</span> << iCount );
<a name="l00114"></a>00114 <span class="comment">// We want to cycle through the list to find the matching frame. We</span>
<a name="l00115"></a>00115 <span class="comment">// should begin from the cursor, search each successive frame, wrapping</span>
<a name="l00116"></a>00116 <span class="comment">// if necessary. The enclosing loop and the assignment statments below</span>
<a name="l00117"></a>00117 <span class="comment">// ensure that we first begin at the cursor and search to the end of the</span>
<a name="l00118"></a>00118 <span class="comment">// list and, if unsuccessful, start from the beginning of the list and</span>
<a name="l00119"></a>00119 <span class="comment">// search to the cursor.</span>
<a name="l00120"></a>00120 <a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">const_iterator</a>
<a name="l00121"></a>00121 <a class="code" href="class_i_d3___tag_impl.html#a9e0d55c54fb3697b9ebb34d060bfa101">begin</a> = (0 == iCount ? _cursor : _frames.begin()),
<a name="l00122"></a>00122 <a class="code" href="class_i_d3___tag_impl.html#af20fcbf50b599ea55b0ec955bcad1a9d">end</a> = (0 == iCount ? _frames.end() : _cursor);
<a name="l00123"></a>00123 <span class="comment">// search from the cursor to the end</span>
<a name="l00124"></a>00124 <span class="keywordflow">for</span> (<a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">const_iterator</a> cur = begin; cur != <a class="code" href="class_i_d3___tag_impl.html#af20fcbf50b599ea55b0ec955bcad1a9d">end</a>; ++cur)
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 ID3D_NOTICE( <span class="stringliteral">"Find: frame = 0x"</span> << hex << (uint32) *cur << dec );
<a name="l00127"></a>00127 <span class="keywordflow">if</span> ((*cur != <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && ((*cur)->GetID() == id) &&
<a name="l00128"></a>00128 (*cur)->Contains(fldID))
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 <a class="code" href="class_i_d3___field.html" title="The representative class of an ID3v2 field.">ID3_Field</a>* fld = (*cur)->GetField(fldID);
<a name="l00131"></a>00131 <span class="keywordflow">if</span> (<a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> == fld)
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 <span class="keywordflow">continue</span>;
<a name="l00134"></a>00134 ID3D_NOTICE( <span class="stringliteral">"Find: didn't have the right field"</span> );
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 String text( <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> == fld-><a class="code" href="class_i_d3___field.html#a1b306f45543afd5459e77200a0fc0a1f">GetRawText</a>() ? <span class="stringliteral">""</span> : fld-><a class="code" href="class_i_d3___field.html#a1b306f45543afd5459e77200a0fc0a1f">GetRawText</a>() , fld-><a class="code" href="class_i_d3___field.html#a4eed557e9f540d3c9347ac31f0f8e55b" title="Returns the size of a field.">Size</a>()); <span class="comment">//PHF</span>
<a name="l00138"></a>00138 ID3D_NOTICE( <span class="stringliteral">"Find: text = "</span> << text.c_str() );
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordflow">if</span> (text == data)
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142 <span class="comment">// We've found a valid frame. Set cursor to be the next element</span>
<a name="l00143"></a>00143 frame = *cur;
<a name="l00144"></a>00144 _cursor = ++cur;
<a name="l00145"></a>00145 <span class="keywordflow">break</span>;
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="keywordflow">return</span> frame;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *<a class="code" href="class_i_d3___tag_impl.html#ae2a17dca1c627e387cc4e351fff11eeb">ID3_TagImpl::Find</a>(<a class="code" href="globals_8h.html#a78f454bf66f16b1e1c9f8e37bda9ab8a" title="Enumeration of the different types of frames recognized by id3lib.">ID3_FrameID</a> <span class="keywordtype">id</span>, <a class="code" href="globals_8h.html#a23cab982426a968437cd731900cfeb2c" title="Enumeration of the different types of fields in a frame.">ID3_FieldID</a> fldID, WString data)<span class="keyword"> const</span>
<a name="l00155"></a>00155 <span class="keyword"></span>{
<a name="l00156"></a>00156 <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *frame = <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <span class="comment">// reset the cursor if it isn't set</span>
<a name="l00159"></a>00159 <span class="keywordflow">if</span> (_frames.end() == _cursor)
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 _cursor = _frames.begin();
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> iCount = 0; iCount < 2 && frame == <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; iCount++)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 <span class="comment">// We want to cycle through the list to find the matching frame. We</span>
<a name="l00167"></a>00167 <span class="comment">// should begin from the cursor, search each successive frame, wrapping</span>
<a name="l00168"></a>00168 <span class="comment">// if necessary. The enclosing loop and the assignment statments below</span>
<a name="l00169"></a>00169 <span class="comment">// ensure that we first begin at the cursor and search to the end of the</span>
<a name="l00170"></a>00170 <span class="comment">// list and, if unsuccessful, start from the beginning of the list and</span>
<a name="l00171"></a>00171 <span class="comment">// search to the cursor.</span>
<a name="l00172"></a>00172 <a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">const_iterator</a>
<a name="l00173"></a>00173 begin = (0 == iCount ? _cursor : _frames.begin()),
<a name="l00174"></a>00174 <a class="code" href="class_i_d3___tag_impl.html#af20fcbf50b599ea55b0ec955bcad1a9d">end</a> = (0 == iCount ? _frames.end() : _cursor);
<a name="l00175"></a>00175 <span class="comment">// search from the cursor to the end</span>
<a name="l00176"></a>00176 <span class="keywordflow">for</span> (<a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">const_iterator</a> cur = begin; cur != <a class="code" href="class_i_d3___tag_impl.html#af20fcbf50b599ea55b0ec955bcad1a9d">end</a>; ++cur)
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 <span class="keywordflow">if</span> ((*cur != <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && ((*cur)->GetID() == id) &&
<a name="l00179"></a>00179 (*cur)->Contains(fldID))
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181 <a class="code" href="class_i_d3___field.html" title="The representative class of an ID3v2 field.">ID3_Field</a>* fld = (*cur)->GetField(fldID);
<a name="l00182"></a>00182 <span class="keywordflow">if</span> (<a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> == fld)
<a name="l00183"></a>00183 {
<a name="l00184"></a>00184 <span class="keywordflow">continue</span>;
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 WString text = toWString(fld-><a class="code" href="class_i_d3___field.html#a1fdd1975e77a4be34bda5f41c319dac7">GetRawUnicodeText</a>(), fld-><a class="code" href="class_i_d3___field.html#a4eed557e9f540d3c9347ac31f0f8e55b" title="Returns the size of a field.">Size</a>());
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="keywordflow">if</span> (text == data)
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <span class="comment">// We've found a valid frame. Set cursor to be the next element</span>
<a name="l00191"></a>00191 frame = *cur;
<a name="l00192"></a>00192 _cursor = ++cur;
<a name="l00193"></a>00193 <span class="keywordflow">break</span>;
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keywordflow">return</span> frame;
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201
<a name="l00202"></a><a class="code" href="class_i_d3___tag_impl.html#adb2f268886a34c4dffbd93a3efa041d3">00202</a> <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *<a class="code" href="class_i_d3___tag_impl.html#ae2a17dca1c627e387cc4e351fff11eeb">ID3_TagImpl::Find</a>(<a class="code" href="globals_8h.html#a78f454bf66f16b1e1c9f8e37bda9ab8a" title="Enumeration of the different types of frames recognized by id3lib.">ID3_FrameID</a> <span class="keywordtype">id</span>, <a class="code" href="globals_8h.html#a23cab982426a968437cd731900cfeb2c" title="Enumeration of the different types of fields in a frame.">ID3_FieldID</a> fldID, uint32 data)<span class="keyword"> const</span>
<a name="l00203"></a>00203 <span class="keyword"></span>{
<a name="l00204"></a>00204 <a class="code" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> *frame = <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <span class="comment">// reset the cursor if it isn't set</span>
<a name="l00207"></a>00207 <span class="keywordflow">if</span> (_frames.end() == _cursor)
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 _cursor = _frames.begin();
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> iCount = 0; iCount < 2 && frame == <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; iCount++)
<a name="l00213"></a>00213 {
<a name="l00214"></a>00214 <span class="comment">// We want to cycle through the list to find the matching frame. We</span>
<a name="l00215"></a>00215 <span class="comment">// should begin from the cursor, search each successive frame, wrapping</span>
<a name="l00216"></a>00216 <span class="comment">// if necessary. The enclosing loop and the assignment statments below</span>
<a name="l00217"></a>00217 <span class="comment">// ensure that we first begin at the cursor and search to the end of the</span>
<a name="l00218"></a>00218 <span class="comment">// list and, if unsuccessful, start from the beginning of the list and</span>
<a name="l00219"></a>00219 <span class="comment">// search to the cursor.</span>
<a name="l00220"></a>00220 <a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">const_iterator</a>
<a name="l00221"></a>00221 begin = (0 == iCount ? _cursor : _frames.begin()),
<a name="l00222"></a>00222 <a class="code" href="class_i_d3___tag_impl.html#af20fcbf50b599ea55b0ec955bcad1a9d">end</a> = (0 == iCount ? _frames.end() : _cursor);
<a name="l00223"></a>00223 <span class="comment">// search from the cursor to the end</span>
<a name="l00224"></a>00224 <span class="keywordflow">for</span> (<a class="code" href="class_i_d3___tag_impl.html#aa682023c07df47c19db046540d260d08">const_iterator</a> cur = begin; cur != <a class="code" href="class_i_d3___tag_impl.html#af20fcbf50b599ea55b0ec955bcad1a9d">end</a>; ++cur)
<a name="l00225"></a>00225 {
<a name="l00226"></a>00226 <span class="keywordflow">if</span> ((*cur != <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && ((*cur)->GetID() == id) &&
<a name="l00227"></a>00227 ((*cur)->GetField(fldID)->Get() == data))
<a name="l00228"></a>00228 {
<a name="l00229"></a>00229 <span class="comment">// We've found a valid frame. Set the cursor to be the next element</span>
<a name="l00230"></a>00230 frame = *cur;
<a name="l00231"></a>00231 _cursor = ++cur;
<a name="l00232"></a>00232 <span class="keywordflow">break</span>;
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keywordflow">return</span> frame;
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
</pre></div></div>
<hr class="footer"/><address style="text-align: right;"><small>Generated on Wed Jan 12 23:46:35 2011 for id3lib by
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