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<h1>ID3_Field Class Reference</h1><!-- doxytag: class="ID3_Field" -->
<p>The representative class of an ID3v2 field.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="field_8h_source.html">id3/field.h</a>></code></p>
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Inheritance diagram for ID3_Field:</div>
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<img src="class_i_d3___field.png" usemap="#ID3_Field_map" alt=""/>
<map id="ID3_Field_map" name="ID3_Field_map">
<area href="class_i_d3___field_impl.html" alt="ID3_FieldImpl" shape="rect" coords="0,56,88,80"/>
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<p><a href="class_i_d3___field-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a1de0019592f57cdc7a3215ce2122e671">Clear</a> ()=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a4eed557e9f540d3c9347ac31f0f8e55b">Size</a> () const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the size of a field. <a href="#a4eed557e9f540d3c9347ac31f0f8e55b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#aefa9e7690d7097ec315b029e31eb1973">BinSize</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a9d3c0e640a68fee3afc2498944027b86">GetNumTextItems</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_i_d3___field.html">ID3_Field</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a2431905ed199a8c541a970986d0735a7">operator=</a> (uint32 val)=0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A shortcut for the Set method. <a href="#a2431905ed199a8c541a970986d0735a7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a16387cf6c54df5432a0c048d6a931f03">Set</a> (uint32)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a363d1034fb4e60e85f15bcf9818d33ef">Get</a> () const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the value of the integer field. <a href="#a363d1034fb4e60e85f15bcf9818d33ef"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_i_d3___field.html">ID3_Field</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a1afc1275f1c9fdf8d46c8801c0160696">operator=</a> (const char *s)=0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Shortcut for the Set operator. <a href="#a1afc1275f1c9fdf8d46c8801c0160696"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a55ea11a70916093009ebbd6628bf690e">Set</a> (const char *)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#ad57d9cfe6175c1a53c483edbc2ac814f">Get</a> (char *, size_t) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#ad5c8fe7d909fdf52b5a6eb2538a39dc2">Get</a> (char *, size_t, size_t) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a1b306f45543afd5459e77200a0fc0a1f">GetRawText</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#aae05e22d1918f2265d9fb0970ef5f09d">GetRawTextItem</a> (size_t) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#ade699be00ad543bf60bafb7fc9c0122a">Add</a> (const char *)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_i_d3___field.html">ID3_Field</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#ab816bf9e67b17f911b9814fc154414d7">operator=</a> (const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *s)=0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Shortcut for the Set operator. <a href="#ab816bf9e67b17f911b9814fc154414d7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#afa16f88c3974eaf61af67369ef02d5c1">Set</a> (const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#ac831df3647a47d9b7055a7fcf48e5404">Get</a> (<a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *buffer, size_t) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a2e8870dbda86ef67bee730510f3dd006">Get</a> (<a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *buffer, size_t, size_t) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a1fdd1975e77a4be34bda5f41c319dac7">GetRawUnicodeText</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a0359871e23eab9fd7c6ecb6ee434650a">GetRawUnicodeTextItem</a> (size_t) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a7ea1e3243600cfc2f05263f914437ecc">Add</a> (const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a7a6f7d407fa0a88cc792fceb2c9b1e5b">Set</a> (const <a class="el" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> *, size_t)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#ae1d3e3730436cf1893f4a1ea121dd5d2">Get</a> (<a class="el" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> *, size_t) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual const <a class="el" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#ac2ad64c889eae4aa614a85d0aa38b2ab">GetRawBinary</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a61d35ba1108517376632e06db6a9e02a">FromFile</a> (const char *)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a589764a2865b094300b9cf1339d4dad5">ToFile</a> (const char *sInfo) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_i_d3___field.html">ID3_Field</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a074305f2958e594fb6b7b6ed5bed36f5">operator=</a> (const <a class="el" href="class_i_d3___field.html">ID3_Field</a> &)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#ade2b9184024c1f62e17067253f4adb49">InScope</a> (<a class="el" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612">ID3_V2Spec</a> spec) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="globals_8h.html#a23cab982426a968437cd731900cfeb2c">ID3_FieldID</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a4bb8d97fddba3a01eb744ab323b43bd2">GetID</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6b">ID3_FieldType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a436aac51a487d2b3e539514a11e5d2c1">GetType</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a9f3b7f8b5ee007ee64caa133804c38f2">SetEncoding</a> (<a class="el" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39">ID3_TextEnc</a> enc)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39">ID3_TextEnc</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a524fc008d3f7cfb458ccf3cf25d28875">GetEncoding</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a8aae078028573c0c0d6e1e3a9ed3010c">IsEncodable</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#aedea15255b498f5abbc5c0ac29c6b025">Render</a> (<a class="el" href="class_i_d3___writer.html">ID3_Writer</a> &) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a8af818e37c58481084be6bd672a8f34f">Parse</a> (<a class="el" href="class_i_d3___reader.html">ID3_Reader</a> &)=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a74463dd7e53fdc6fdd2e180c85e620f5">HasChanged</a> () const =0</td></tr>
<tr><td colspan="2"><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#accd96a7466928e0aaef519c3ff3bf5df">~ID3_Field</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_i_d3___field.html#a2b1bbb304814bef2c1b4e76fa27c6617">ID3_Field</a> ()</td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>The representative class of an ID3v2 field. </p>
<p>As a general rule, you need never create an object of this type. id3lib uses them internally as part of the id3_frame class. You must know how to interact with these objects, though, and that's what this section is about.</p>
<p>The <a class="el" href="class_i_d3___field.html" title="The representative class of an ID3v2 field.">ID3_Field</a> contains many overloaded methods to provide these facilities for four different data types: integers, ASCII strings, Unicode strings, and binary data.</p>
<p>An integer field supports the <a class="el" href="class_i_d3___field.html#a363d1034fb4e60e85f15bcf9818d33ef" title="Returns the value of the integer field.">Get()</a>, <a class="el" href="class_i_d3___field.html#a16387cf6c54df5432a0c048d6a931f03">Set(uint32)</a>, and <a class="el" href="class_i_d3___field.html#a2431905ed199a8c541a970986d0735a7" title="A shortcut for the Set method.">operator=(uint32)</a> methods.</p>
<p>Both types of strings support the <a class="el" href="class_i_d3___field.html#a9d3c0e640a68fee3afc2498944027b86">GetNumTextItems()</a> method.</p>
<p>An ASCII string field supports the Get(char*, size_t, size_t)), <a class="el" href="class_i_d3___field.html#a55ea11a70916093009ebbd6628bf690e">Set(const char*)</a>, <a class="el" href="class_i_d3___field.html#ade699be00ad543bf60bafb7fc9c0122a">Add(const char*)</a>, and <a class="el" href="class_i_d3___field.html#a1afc1275f1c9fdf8d46c8801c0160696" title="Shortcut for the Set operator.">operator=(const char*)</a> methods.</p>
<p>A Unicode field also supports Get(unicode_t*, size_t, size_t), <a class="el" href="class_i_d3___field.html#afa16f88c3974eaf61af67369ef02d5c1">Set(const unicode_t*)</a>, <a class="el" href="class_i_d3___field.html#a7ea1e3243600cfc2f05263f914437ecc">Add(const unicode_t*)</a>, and <a class="el" href="class_i_d3___field.html#ab816bf9e67b17f911b9814fc154414d7" title="Shortcut for the Set operator.">operator=(const unicode_t*)</a>. Without elaborating, the Unicode methods behave exactly the same as their ASCII counterparts, taking <code>unicode_t</code> pointers in place of <code>char</code> pointers.</p>
<p>All strings in id3lib are handled internally as Unicode. This means that when you set a field with an ASCII source type, it will be converted and stored internally as a Unicode string. id3lib will handle all necessary conversions when parsing, rendering, and retrieving. If you set a field as an ASCII string, then try to read the string into a <code>unicode_t</code> buffer, id3lib will automatically convert the string into Unicode so this will function as expected. The same holds true in reverse. Of course, when converting from Unicode to ASCII, you will experience problems when the Unicode string contains characters that don't map to ISO-8859-1.</p>
<p>A binary field supports the Get(uchar*, size_t), <a class="el" href="class_i_d3___field.html#a7a6f7d407fa0a88cc792fceb2c9b1e5b">Set(const uchar*, size_t)</a>, <a class="el" href="class_i_d3___field.html#a61d35ba1108517376632e06db6a9e02a">FromFile(const char*)</a>, and ToFile(const char*) methods. The binary field holds miscellaneous data that can't easily be described any other way, such as a JPEG image.</p>
<p>As a general implementation note, you should be prepared to support all fields in an id3lib frame, even if all fields in the id3lib version of the frame aren't present in the id3v2 version. This is because of frames like the picture frame, which changed slightly from one version of the id3v2 standard to the next (the IMAGEFORMAT format in 2.0 changed to a MIMETYPE in 3.0). If you support all id3lib fields in a given frame, id3lib can generate the correct id3v2 frame for the id3v2 version you wish to support. Alternatively, just support the fields you know will be used in, say, 3.0 if you only plan to generate 3.0 tags.</p>
<dl class="author"><dt><b>Author:</b></dt><dd>Dirk Mahoney </dd></dl>
<dl class="version"><dt><b>Version:</b></dt><dd></dd></dl>
<dl class="rcs"><dt><b>Id</b></dt><dd><a class="el" href="field_8cpp.html">field.cpp</a>,v 1.47 2002/11/03 00:41:27 t1mpy Exp </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_i_d3___tag.html" title="The representative class of an id3 tag.">ID3_Tag</a> </dd>
<dd>
<a class="el" href="class_i_d3___frame.html" title="The representative class of an id3v2 frame.">ID3_Frame</a> </dd>
<dd>
<a class="el" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84" title="Predefined id3lib error types.">ID3_Err</a> </dd></dl>
<p>Definition at line <a class="el" href="field_8h_source.html#l00036">36</a> of file <a class="el" href="field_8h_source.html">field.h</a>.</p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="accd96a7466928e0aaef519c3ff3bf5df"></a><!-- doxytag: member="ID3_Field::~ID3_Field" ref="accd96a7466928e0aaef519c3ff3bf5df" args="()" -->
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<td class="memname">virtual ID3_Field::~ID3_Field </td>
<td>(</td>
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<td><code> [inline, protected, virtual]</code></td>
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<p>Definition at line <a class="el" href="field_8h_source.html#l00090">90</a> of file <a class="el" href="field_8h_source.html">field.h</a>.</p>
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<a class="anchor" id="a2b1bbb304814bef2c1b4e76fa27c6617"></a><!-- doxytag: member="ID3_Field::ID3_Field" ref="a2b1bbb304814bef2c1b4e76fa27c6617" args="()" -->
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<td class="memname">ID3_Field::ID3_Field </td>
<td>(</td>
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<td><code> [inline, protected]</code></td>
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<p>Definition at line <a class="el" href="field_8h_source.html#l00093">93</a> of file <a class="el" href="field_8h_source.html">field.h</a>.</p>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a7ea1e3243600cfc2f05263f914437ecc"></a><!-- doxytag: member="ID3_Field::Add" ref="a7ea1e3243600cfc2f05263f914437ecc" args="(const unicode_t *)=0" -->
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<td class="memname">virtual size_t ID3_Field::Add </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> * </td>
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<td> ) </td>
<td><code> [pure virtual]</code></td>
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<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a46406170d406d52ad395817fd483a50d">ID3_FieldImpl</a>.</p>
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<a class="anchor" id="ade699be00ad543bf60bafb7fc9c0122a"></a><!-- doxytag: member="ID3_Field::Add" ref="ade699be00ad543bf60bafb7fc9c0122a" args="(const char *)=0" -->
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<td class="memname">virtual size_t ID3_Field::Add </td>
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<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a0493b19b836899394d02839bd14d1e28">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="aefa9e7690d7097ec315b029e31eb1973"></a><!-- doxytag: member="ID3_Field::BinSize" ref="aefa9e7690d7097ec315b029e31eb1973" args="() const =0" -->
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<td class="memname">virtual size_t ID3_Field::BinSize </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#ad8ed1cf546dad93f12585e14589c3ffc">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a1de0019592f57cdc7a3215ce2122e671"></a><!-- doxytag: member="ID3_Field::Clear" ref="a1de0019592f57cdc7a3215ce2122e671" args="()=0" -->
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<td class="memname">virtual void ID3_Field::Clear </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a70599ecbe8fc8a4a55c348a15bcb3928">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a61d35ba1108517376632e06db6a9e02a"></a><!-- doxytag: member="ID3_Field::FromFile" ref="a61d35ba1108517376632e06db6a9e02a" args="(const char *)=0" -->
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<td class="memname">virtual void ID3_Field::FromFile </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#afed9225149cd16de682c231fb31122dd">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="ae1d3e3730436cf1893f4a1ea121dd5d2"></a><!-- doxytag: member="ID3_Field::Get" ref="ae1d3e3730436cf1893f4a1ea121dd5d2" args="(uchar *, size_t) const =0" -->
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<td class="memname">virtual size_t ID3_Field::Get </td>
<td>(</td>
<td class="paramtype"><a class="el" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> * </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a0f5cc37356a498c53ad0245dbcac8bb1">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a2e8870dbda86ef67bee730510f3dd006"></a><!-- doxytag: member="ID3_Field::Get" ref="a2e8870dbda86ef67bee730510f3dd006" args="(unicode_t *buffer, size_t, size_t) const =0" -->
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<td class="memname">virtual size_t ID3_Field::Get </td>
<td>(</td>
<td class="paramtype"><a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> * </td>
<td class="paramname"> <em>buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#abddb3eb765d1659d58484606a66f938f">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="ac831df3647a47d9b7055a7fcf48e5404"></a><!-- doxytag: member="ID3_Field::Get" ref="ac831df3647a47d9b7055a7fcf48e5404" args="(unicode_t *buffer, size_t) const =0" -->
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<td class="memname">virtual size_t ID3_Field::Get </td>
<td>(</td>
<td class="paramtype"><a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> * </td>
<td class="paramname"> <em>buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a0b39bf7b3c161471b3ac94b6eec90014">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="ad5c8fe7d909fdf52b5a6eb2538a39dc2"></a><!-- doxytag: member="ID3_Field::Get" ref="ad5c8fe7d909fdf52b5a6eb2538a39dc2" args="(char *, size_t, size_t) const =0" -->
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<td class="memname">virtual size_t ID3_Field::Get </td>
<td>(</td>
<td class="paramtype">char * </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a0bd3e89ee529f3b35e0591b7f31142ef">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="ad57d9cfe6175c1a53c483edbc2ac814f"></a><!-- doxytag: member="ID3_Field::Get" ref="ad57d9cfe6175c1a53c483edbc2ac814f" args="(char *, size_t) const =0" -->
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<td class="memname">virtual size_t ID3_Field::Get </td>
<td>(</td>
<td class="paramtype">char * </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#aff27e177c13c8e06120af2ef3f91e2f8">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a363d1034fb4e60e85f15bcf9818d33ef"></a><!-- doxytag: member="ID3_Field::Get" ref="a363d1034fb4e60e85f15bcf9818d33ef" args="() const =0" -->
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<td class="memname">uint32 ID3_Field::Get </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>Returns the value of the integer field. </p>
<div class="fragment"><pre class="fragment"> uint32 picType = myFrame.GetField(<a class="code" href="globals_8h.html#a23cab982426a968437cd731900cfeb2cacf3efb9534c1200db2f003f5837bb1ad" title="Picture type field.">ID3FN_PICTURETYPE</a>)->Get();
</pre></div><dl class="return"><dt><b>Returns:</b></dt><dd>The value of the integer field </dd></dl>
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#ab0e321c609325a38f29bc279bfb7b2be">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a524fc008d3f7cfb458ccf3cf25d28875"></a><!-- doxytag: member="ID3_Field::GetEncoding" ref="a524fc008d3f7cfb458ccf3cf25d28875" args="() const =0" -->
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<td class="memname">virtual <a class="el" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39">ID3_TextEnc</a> ID3_Field::GetEncoding </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a3c56d7c248d7e5c5e4fd210ea8ec1ee6">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a4bb8d97fddba3a01eb744ab323b43bd2"></a><!-- doxytag: member="ID3_Field::GetID" ref="a4bb8d97fddba3a01eb744ab323b43bd2" args="() const =0" -->
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<td class="memname">virtual <a class="el" href="globals_8h.html#a23cab982426a968437cd731900cfeb2c">ID3_FieldID</a> ID3_Field::GetID </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a8a69e4ae76206e64d8f2e25588b60671">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a9d3c0e640a68fee3afc2498944027b86"></a><!-- doxytag: member="ID3_Field::GetNumTextItems" ref="a9d3c0e640a68fee3afc2498944027b86" args="() const =0" -->
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<td class="memname">virtual size_t ID3_Field::GetNumTextItems </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a0232e29cabdf6761a033216e3ce580cd">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="ac2ad64c889eae4aa614a85d0aa38b2ab"></a><!-- doxytag: member="ID3_Field::GetRawBinary" ref="ac2ad64c889eae4aa614a85d0aa38b2ab" args="() const =0" -->
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<td class="memname">virtual const <a class="el" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a>* ID3_Field::GetRawBinary </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a818191aad4980b504c141ac35d3e0f0a">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a1b306f45543afd5459e77200a0fc0a1f"></a><!-- doxytag: member="ID3_Field::GetRawText" ref="a1b306f45543afd5459e77200a0fc0a1f" args="() const =0" -->
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<td class="memname">virtual const char* ID3_Field::GetRawText </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a919d4edfb70125f3b17b2708dde10ba9">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="aae05e22d1918f2265d9fb0970ef5f09d"></a><!-- doxytag: member="ID3_Field::GetRawTextItem" ref="aae05e22d1918f2265d9fb0970ef5f09d" args="(size_t) const =0" -->
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<td class="memname">virtual const char* ID3_Field::GetRawTextItem </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#ac8c4f35492f4f4fd9845657368a14544">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a1fdd1975e77a4be34bda5f41c319dac7"></a><!-- doxytag: member="ID3_Field::GetRawUnicodeText" ref="a1fdd1975e77a4be34bda5f41c319dac7" args="() const =0" -->
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<td class="memname">virtual const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* ID3_Field::GetRawUnicodeText </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#ab8c9fd2ac15148731126895883532167">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a0359871e23eab9fd7c6ecb6ee434650a"></a><!-- doxytag: member="ID3_Field::GetRawUnicodeTextItem" ref="a0359871e23eab9fd7c6ecb6ee434650a" args="(size_t) const =0" -->
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<td class="memname">virtual const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a>* ID3_Field::GetRawUnicodeTextItem </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a0b749211804be718ea62a216492944e6">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a436aac51a487d2b3e539514a11e5d2c1"></a><!-- doxytag: member="ID3_Field::GetType" ref="a436aac51a487d2b3e539514a11e5d2c1" args="() const =0" -->
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<td class="memname">virtual <a class="el" href="globals_8h.html#adc0ffe8cf70623e6d4d17092b20bdd6b">ID3_FieldType</a> ID3_Field::GetType </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a52bf3b506788dbfb3adad6af6c413b90">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a74463dd7e53fdc6fdd2e180c85e620f5"></a><!-- doxytag: member="ID3_Field::HasChanged" ref="a74463dd7e53fdc6fdd2e180c85e620f5" args="() const =0" -->
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<td class="memname">virtual bool ID3_Field::HasChanged </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a0c8fa8497ca4efee015b136bc120cef3">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="ade2b9184024c1f62e17067253f4adb49"></a><!-- doxytag: member="ID3_Field::InScope" ref="ade2b9184024c1f62e17067253f4adb49" args="(ID3_V2Spec spec) const =0" -->
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<td class="memname">virtual bool ID3_Field::InScope </td>
<td>(</td>
<td class="paramtype"><a class="el" href="globals_8h.html#a48b13eb6cb3c520195901516dee1e612">ID3_V2Spec</a> </td>
<td class="paramname"> <em>spec</em></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#ad92caf31d6bb68c4713bdcecde2ce2dd">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a8aae078028573c0c0d6e1e3a9ed3010c"></a><!-- doxytag: member="ID3_Field::IsEncodable" ref="a8aae078028573c0c0d6e1e3a9ed3010c" args="() const =0" -->
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<td class="memname">virtual bool ID3_Field::IsEncodable </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a21f0a2158cb12a3a22f5ee98316d3d1b">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a074305f2958e594fb6b7b6ed5bed36f5"></a><!-- doxytag: member="ID3_Field::operator=" ref="a074305f2958e594fb6b7b6ed5bed36f5" args="(const ID3_Field &)=0" -->
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<td class="memname">virtual <a class="el" href="class_i_d3___field.html">ID3_Field</a>& ID3_Field::operator= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_i_d3___field.html">ID3_Field</a> & </td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#afd227474bd984f96dab457c65798776a">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="ab816bf9e67b17f911b9814fc154414d7"></a><!-- doxytag: member="ID3_Field::operator=" ref="ab816bf9e67b17f911b9814fc154414d7" args="(const unicode_t *s)=0" -->
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<td class="memname"><a class="el" href="class_i_d3___field.html">ID3_Field</a> & ID3_Field::operator= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> * </td>
<td class="paramname"> <em>s</em></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
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<p>Shortcut for the Set operator. </p>
<p>Performs similarly as <a class="el" href="class_i_d3___field.html#a1afc1275f1c9fdf8d46c8801c0160696" title="Shortcut for the Set operator.">operator=(const char*)</a>, taking a unicode_t string as a parameter rather than an ascii string. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_i_d3___field.html#afa16f88c3974eaf61af67369ef02d5c1">Set(const unicode_t*)</a> </dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>string</em> </td><td>The string to assign to the field </td></tr>
</table>
</dd>
</dl>
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a63ab4b732b49ea3666432fa3e5fbed72">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a1afc1275f1c9fdf8d46c8801c0160696"></a><!-- doxytag: member="ID3_Field::operator=" ref="a1afc1275f1c9fdf8d46c8801c0160696" args="(const char *s)=0" -->
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<td class="memname"><a class="el" href="class_i_d3___field.html">ID3_Field</a> & ID3_Field::operator= </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>data</em></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
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<div class="memdoc">
<p>Shortcut for the Set operator. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The string to assign to this field </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_i_d3___field.html#a55ea11a70916093009ebbd6628bf690e">Set(const char*)</a> </dd></dl>
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a6bc19baaf0841c38b62a75f6585673f1">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a2431905ed199a8c541a970986d0735a7"></a><!-- doxytag: member="ID3_Field::operator=" ref="a2431905ed199a8c541a970986d0735a7" args="(uint32 val)=0" -->
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<td class="memname"><a class="el" href="class_i_d3___field.html">ID3_Field</a> & ID3_Field::operator= </td>
<td>(</td>
<td class="paramtype">uint32 </td>
<td class="paramname"> <em>val</em></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>A shortcut for the Set method. </p>
<div class="fragment"><pre class="fragment"> myFrame.GetField(<a class="code" href="globals_8h.html#a23cab982426a968437cd731900cfeb2cacf3efb9534c1200db2f003f5837bb1ad" title="Picture type field.">ID3FN_PICTURETYPE</a>)->= 0x0B;
</pre></div><dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>The data to assign to this field </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_i_d3___field.html#a16387cf6c54df5432a0c048d6a931f03">Set(uint32)</a> </dd></dl>
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a57d13aefd6006a7d2322c49751254f51">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a8af818e37c58481084be6bd672a8f34f"></a><!-- doxytag: member="ID3_Field::Parse" ref="a8af818e37c58481084be6bd672a8f34f" args="(ID3_Reader &)=0" -->
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<td class="memname">virtual bool ID3_Field::Parse </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_i_d3___reader.html">ID3_Reader</a> & </td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#ac48d30e0d0b992ae77194fba00b6e527">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="aedea15255b498f5abbc5c0ac29c6b025"></a><!-- doxytag: member="ID3_Field::Render" ref="aedea15255b498f5abbc5c0ac29c6b025" args="(ID3_Writer &) const =0" -->
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<td class="memname">virtual void ID3_Field::Render </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_i_d3___writer.html">ID3_Writer</a> & </td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#afabade611f293c4b29bf6df3aff2b5a2">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a7a6f7d407fa0a88cc792fceb2c9b1e5b"></a><!-- doxytag: member="ID3_Field::Set" ref="a7a6f7d407fa0a88cc792fceb2c9b1e5b" args="(const uchar *, size_t)=0" -->
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<td class="memname">virtual size_t ID3_Field::Set </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> * </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a6ba3623febd59f599ba7b4f0df2f9904">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="afa16f88c3974eaf61af67369ef02d5c1"></a><!-- doxytag: member="ID3_Field::Set" ref="afa16f88c3974eaf61af67369ef02d5c1" args="(const unicode_t *)=0" -->
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<td class="memname">virtual size_t ID3_Field::Set </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> * </td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a5e4ebdb241a1dde45d7b1f17ed4b7b99">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a55ea11a70916093009ebbd6628bf690e"></a><!-- doxytag: member="ID3_Field::Set" ref="a55ea11a70916093009ebbd6628bf690e" args="(const char *)=0" -->
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<td class="memname">virtual size_t ID3_Field::Set </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#af2d525110fda890ff94dd86d7806c23a">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a16387cf6c54df5432a0c048d6a931f03"></a><!-- doxytag: member="ID3_Field::Set" ref="a16387cf6c54df5432a0c048d6a931f03" args="(uint32)=0" -->
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<td class="memname">virtual void ID3_Field::Set </td>
<td>(</td>
<td class="paramtype">uint32 </td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a6daa86b940122734d9bee75d7b57d6cf">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a9f3b7f8b5ee007ee64caa133804c38f2"></a><!-- doxytag: member="ID3_Field::SetEncoding" ref="a9f3b7f8b5ee007ee64caa133804c38f2" args="(ID3_TextEnc enc)=0" -->
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<td class="memname">virtual bool ID3_Field::SetEncoding </td>
<td>(</td>
<td class="paramtype"><a class="el" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39">ID3_TextEnc</a> </td>
<td class="paramname"> <em>enc</em></td>
<td> ) </td>
<td><code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#ae5f150e7c959f6ce20adcc5aa6e29e7a">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a4eed557e9f540d3c9347ac31f0f8e55b"></a><!-- doxytag: member="ID3_Field::Size" ref="a4eed557e9f540d3c9347ac31f0f8e55b" args="() const =0" -->
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<td class="memname">size_t ID3_Field::Size </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns the size of a field. </p>
<p>The value returned is dependent on the type of the field. For ASCII strings, this returns the number of characters in the field, not including any NULL-terminator. The same holds true for Unicode---it returns the number of characters in the field, not bytes, and this does not include the Unicode BOM, which isn't put in a Unicode string obtained by the Get(unicode_t*, size_t, size_t) method anyway. For binary and integer fields, this returns the number of bytes in the field.</p>
<div class="fragment"><pre class="fragment"> <span class="keywordtype">size_t</span> howBig = myFrame.GetField(<a class="code" href="globals_8h.html#a23cab982426a968437cd731900cfeb2cabd5e1e87686d7a1fc9ba291023e9ccc0" title="Data field.">ID3FN_DATA</a>)->Size();
</pre></div><dl class="return"><dt><b>Returns:</b></dt><dd>The size of the field, either in bytes (for binary or integer fields) or characters (for strings). </dd></dl>
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a42c87589e147efabe0e2eb30bdc6938b">ID3_FieldImpl</a>.</p>
</div>
</div>
<a class="anchor" id="a589764a2865b094300b9cf1339d4dad5"></a><!-- doxytag: member="ID3_Field::ToFile" ref="a589764a2865b094300b9cf1339d4dad5" args="(const char *sInfo) const =0" -->
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<td class="memname">virtual void ID3_Field::ToFile </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>sInfo</em></td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Implemented in <a class="el" href="class_i_d3___field_impl.html#a1100cfc61ac54906dfb95891beb972d0">ID3_FieldImpl</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>include/id3/<a class="el" href="field_8h_source.html">field.h</a></li>
<li>src/<a class="el" href="field_8cpp_source.html">field.cpp</a></li>
<li>src/<a class="el" href="field__integer_8cpp_source.html">field_integer.cpp</a></li>
<li>src/<a class="el" href="field__string__ascii_8cpp_source.html">field_string_ascii.cpp</a></li>
<li>src/<a class="el" href="field__string__unicode_8cpp_source.html">field_string_unicode.cpp</a></li>
</ul>
</div>
<hr class="footer"/><address style="text-align: right;"><small>Generated on Wed Jan 12 23:46:36 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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