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<title>Exiv2: Exiv2::XmpArrayValue Class Reference</title>
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<div class="navpath"><a class="el" href="namespaceExiv2.html">Exiv2</a>::<a class="el" href="classExiv2_1_1XmpArrayValue.html">XmpArrayValue</a>
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<h1>Exiv2::XmpArrayValue Class Reference</h1><!-- doxytag: class="Exiv2::XmpArrayValue" --><!-- doxytag: inherits="Exiv2::XmpValue" -->Value type for simple arrays. Each item in the array is a simple value, without qualifiers. The array may be an ordered (<em>seq</em>), unordered (<em>bag</em>) or alternative array (<em>alt</em>). The array items must not contain qualifiers. For language alternatives use <a class="el" href="classExiv2_1_1LangAltValue.html" title="Value type for XMP language alternative properties.">LangAltValue</a>.
<a href="#_details">More...</a>
<p>
<code>#include <value.hpp></code>
<p>
<div class="dynheader">
Inheritance diagram for Exiv2::XmpArrayValue:</div>
<div class="dynsection">
<p><center><img src="classExiv2_1_1XmpArrayValue__inherit__graph.png" border="0" usemap="#Exiv2_1_1XmpArrayValue__inherit__map" alt="Inheritance graph"></center>
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<area shape="rect" id="node2" href="classExiv2_1_1XmpValue.html" title="Base class for all Exiv2 values used to store XMP property values." alt="" coords="31,80,201,107"><area shape="rect" id="node4" href="classExiv2_1_1Value.html" title="Common interface for all types of values used with metadata." alt="" coords="45,5,187,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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Collaboration diagram for Exiv2::XmpArrayValue:</div>
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<area shape="rect" id="node2" href="classExiv2_1_1XmpValue.html" title="Base class for all Exiv2 values used to store XMP property values." alt="" coords="5,187,176,213"><area shape="rect" id="node4" href="classExiv2_1_1Value.html" title="Common interface for all types of values used with metadata." alt="" coords="20,96,161,123"><area shape="rect" id="node8" title="STL class." alt="" coords="229,96,360,123"><area shape="rect" id="node10" title="STL class." alt="" coords="169,5,420,32"><area shape="rect" id="node12" title="STL class." alt="" coords="384,96,565,123"></map>
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<p>
<a href="classExiv2_1_1XmpArrayValue-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0780ad0c5878c196bc0a626f8c82b60f"></a><!-- doxytag: member="Exiv2::XmpArrayValue::AutoPtr" ref="0780ad0c5878c196bc0a626f8c82b60f" args="" -->
typedef std::auto_ptr<br class="typebreak">
< <a class="el" href="classExiv2_1_1XmpArrayValue.html">XmpArrayValue</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#0780ad0c5878c196bc0a626f8c82b60f">AutoPtr</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Shortcut for a XmpArrayValue auto pointer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="041168d33176d58939620810a6c0334c"></a><!-- doxytag: member="Exiv2::XmpArrayValue::ValueType" ref="041168d33176d58939620810a6c0334c" args="" -->
typedef std::vector< std::string > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#041168d33176d58939620810a6c0334c">ValueType</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Type used to store XMP array elements. <br></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Creators</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0cf60defd39cf0801569c8351e02f4a7"></a><!-- doxytag: member="Exiv2::XmpArrayValue::XmpArrayValue" ref="0cf60defd39cf0801569c8351e02f4a7" args="(TypeId typeId=xmpBag)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#0cf60defd39cf0801569c8351e02f4a7">XmpArrayValue</a> (<a class="el" href="namespaceExiv2.html#5153319711f35fe81cbc13f4b852450c">TypeId</a> typeId=xmpBag)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <em>typeId</em> can be one of xmpBag, xmpSeq or xmpAlt. <br></td></tr>
<tr><td colspan="2"><div class="groupHeader">Manipulators</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#a49ab2fa5159f9369501ab3fa8c6b63e">read</a> (const std::string &buf)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a simple property value from <em>buf</em> and append it to the value. <a href="#a49ab2fa5159f9369501ab3fa8c6b63e"></a><br></td></tr>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f1236558979d1c2402552d66998d16de"></a><!-- doxytag: member="Exiv2::XmpArrayValue::clone" ref="f1236558979d1c2402552d66998d16de" args="() const " -->
<a class="el" href="classExiv2_1_1Value.html#0f62e585b82c97738858b743e60dff21">AutoPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#f1236558979d1c2402552d66998d16de">clone</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return an auto-pointer to a copy of itself (deep copy). The caller owns this copy and the auto-pointer ensures that it will be deleted. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="08df99ba3de2566240aa3b4b89024e1b"></a><!-- doxytag: member="Exiv2::XmpArrayValue::count" ref="08df99ba3de2566240aa3b4b89024e1b" args="() const " -->
virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#08df99ba3de2566240aa3b4b89024e1b">count</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the number of components of the value. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a6e19d2b09e164a33df8b9ef3c29c979"></a><!-- doxytag: member="Exiv2::XmpArrayValue::toString" ref="a6e19d2b09e164a33df8b9ef3c29c979" args="(long n) const " -->
virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#a6e19d2b09e164a33df8b9ef3c29c979">toString</a> (long n) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the <em>n</em>-th component of the value as a string. The behaviour of this method may be undefined if there is no <em>n</em>-th component. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#8a6c728f1c386038216e5da6178d08fe">toLong</a> (long n=0) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convert the <em>n</em>-th component of the value to a long. The behaviour of this method may be undefined if there is no <em>n</em>-th component. <a href="#8a6c728f1c386038216e5da6178d08fe"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual float </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#302e89278438c3d7def6e853daeb358a">toFloat</a> (long n=0) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convert the <em>n</em>-th component of the value to a float. The behaviour of this method may be undefined if there is no <em>n</em>-th component. <a href="#302e89278438c3d7def6e853daeb358a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="namespaceExiv2.html#95756f3f7fa19103f83addf5fa088a30">Rational</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#f85e11d17f007496adc062bb47382fae">toRational</a> (long n=0) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convert the <em>n</em>-th component of the value to a Rational. The behaviour of this method may be undefined if there is no <em>n</em>-th component. <a href="#f85e11d17f007496adc062bb47382fae"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual std::ostream & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#c597ac51130329c848510004d53ba7b9">write</a> (std::ostream &os) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write all elements of the value to <em>os</em>, separated by commas. <a href="#c597ac51130329c848510004d53ba7b9"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="620cf5acd40bea72c7b3cdb3894fea6a"></a><!-- doxytag: member="Exiv2::XmpArrayValue::value_" ref="620cf5acd40bea72c7b3cdb3894fea6a" args="" -->
std::vector< std::string > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpArrayValue.html#620cf5acd40bea72c7b3cdb3894fea6a">value_</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Stores the string values. <br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Value type for simple arrays. Each item in the array is a simple value, without qualifiers. The array may be an ordered (<em>seq</em>), unordered (<em>bag</em>) or alternative array (<em>alt</em>). The array items must not contain qualifiers. For language alternatives use <a class="el" href="classExiv2_1_1LangAltValue.html" title="Value type for XMP language alternative properties.">LangAltValue</a>.
<p>
Uses a vector of std::string to store the value(s). <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a49ab2fa5159f9369501ab3fa8c6b63e"></a><!-- doxytag: member="Exiv2::XmpArrayValue::read" ref="a49ab2fa5159f9369501ab3fa8c6b63e" args="(const std::string &buf)" -->
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<td class="memname">virtual int Exiv2::XmpArrayValue::read </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"> <em>buf</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Read a simple property value from <em>buf</em> and append it to the value.
<p>
Appends <em>buf</em> to the value after the last existing array element. Subsequent calls will therefore populate multiple array elements in the order they are read.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if successful. </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1XmpValue.html#7c357e0bee86bd3c6eee197711472821">Exiv2::XmpValue</a>.</p>
</div>
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<a class="anchor" name="302e89278438c3d7def6e853daeb358a"></a><!-- doxytag: member="Exiv2::XmpArrayValue::toFloat" ref="302e89278438c3d7def6e853daeb358a" args="(long n=0) const " -->
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<td class="memname">virtual float Exiv2::XmpArrayValue::toFloat </td>
<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"> <em>n</em> = <code>0</code> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
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<p>
Convert the <em>n</em>-th component of the value to a float. The behaviour of this method may be undefined if there is no <em>n</em>-th component.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The converted value. </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1Value.html#22d257caa6c1ffe6416ce02de7bd8c1c">Exiv2::Value</a>.</p>
</div>
</div><p>
<a class="anchor" name="8a6c728f1c386038216e5da6178d08fe"></a><!-- doxytag: member="Exiv2::XmpArrayValue::toLong" ref="8a6c728f1c386038216e5da6178d08fe" args="(long n=0) const " -->
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<td class="memname">virtual long Exiv2::XmpArrayValue::toLong </td>
<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"> <em>n</em> = <code>0</code> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
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<p>
Convert the <em>n</em>-th component of the value to a long. The behaviour of this method may be undefined if there is no <em>n</em>-th component.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The converted value. </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1Value.html#4530a3fc3e2305cf994de5476f46f953">Exiv2::Value</a>.</p>
</div>
</div><p>
<a class="anchor" name="f85e11d17f007496adc062bb47382fae"></a><!-- doxytag: member="Exiv2::XmpArrayValue::toRational" ref="f85e11d17f007496adc062bb47382fae" args="(long n=0) const " -->
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<td class="memname">virtual <a class="el" href="namespaceExiv2.html#95756f3f7fa19103f83addf5fa088a30">Rational</a> Exiv2::XmpArrayValue::toRational </td>
<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"> <em>n</em> = <code>0</code> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
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<p>
Convert the <em>n</em>-th component of the value to a Rational. The behaviour of this method may be undefined if there is no <em>n</em>-th component.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The converted value. </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1Value.html#595a4cb549bec8c19d290ca3e95a2678">Exiv2::Value</a>.</p>
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</div><p>
<a class="anchor" name="c597ac51130329c848510004d53ba7b9"></a><!-- doxytag: member="Exiv2::XmpArrayValue::write" ref="c597ac51130329c848510004d53ba7b9" args="(std::ostream &os) const " -->
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<td class="memname">virtual std::ostream& Exiv2::XmpArrayValue::write </td>
<td>(</td>
<td class="paramtype">std::ostream & </td>
<td class="paramname"> <em>os</em> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
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<p>
Write all elements of the value to <em>os</em>, separated by commas.
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>The output of this method cannot directly be used as the parameter for <a class="el" href="classExiv2_1_1XmpArrayValue.html#a49ab2fa5159f9369501ab3fa8c6b63e" title="Read a simple property value from buf and append it to the value.">read()</a>. </dd></dl>
<p>Implements <a class="el" href="classExiv2_1_1Value.html#2518f5ba09fc8c00785c57a119892c4c">Exiv2::Value</a>.</p>
</div>
</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="value_8hpp.html">value.hpp</a></ul>
</div>
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