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<li class="navelem"><a class="el" href="namespaceExiv2.html">Exiv2</a></li><li class="navelem"><a class="el" href="classExiv2_1_1XmpKey.html">XmpKey</a></li> </ul>
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<div class="title">Exiv2::XmpKey Class Reference</div> </div>
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<p>Concrete keys for XMP metadata.
<a href="classExiv2_1_1XmpKey.html#details">More...</a></p>
<p><code>#include <properties.hpp></code></p>
<div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for Exiv2::XmpKey:</div>
<div id="dynsection-0-summary" class="dynsummary" style="display:block;">
</div>
<div id="dynsection-0-content" class="dyncontent" style="display:none;">
<div class="center"><img src="classExiv2_1_1XmpKey__inherit__graph.png" border="0" usemap="#Exiv2_1_1XmpKey_inherit__map" alt="Inheritance graph"/></div>
<map name="Exiv2_1_1XmpKey_inherit__map" id="Exiv2_1_1XmpKey_inherit__map">
<area shape="rect" id="node2" href="classExiv2_1_1Key.html" title="Abstract base class defining the Key of a metadatum. Keys are used to identify and group metadata..." alt="" coords="20,5,143,32"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<div id="dynsection-1" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
<img id="dynsection-1-trigger" src="closed.png" alt="+"/> Collaboration diagram for Exiv2::XmpKey:</div>
<div id="dynsection-1-summary" class="dynsummary" style="display:block;">
</div>
<div id="dynsection-1-content" class="dyncontent" style="display:none;">
<div class="center"><img src="classExiv2_1_1XmpKey__coll__graph.png" border="0" usemap="#Exiv2_1_1XmpKey_coll__map" alt="Collaboration graph"/></div>
<map name="Exiv2_1_1XmpKey_coll__map" id="Exiv2_1_1XmpKey_coll__map">
<area shape="rect" id="node2" href="classExiv2_1_1Key.html" title="Abstract base class defining the Key of a metadatum. Keys are used to identify and group metadata..." alt="" coords="20,5,143,32"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a97d99b13a5cd576248be94bc858da7e8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a97d99b13a5cd576248be94bc858da7e8"></a>
typedef std::auto_ptr< <a class="el" href="classExiv2_1_1XmpKey.html">XmpKey</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#a97d99b13a5cd576248be94bc858da7e8">AutoPtr</a></td></tr>
<tr class="memdesc:a97d99b13a5cd576248be94bc858da7e8"><td class="mdescLeft"> </td><td class="mdescRight">Shortcut for an XmpKey auto pointer. <br /></td></tr>
<tr class="separator:a97d99b13a5cd576248be94bc858da7e8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_types_classExiv2_1_1Key"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classExiv2_1_1Key')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classExiv2_1_1Key.html">Exiv2::Key</a></td></tr>
<tr class="memitem:a9bf9953294ceb8d272908a0680aeade8 inherit pub_types_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9bf9953294ceb8d272908a0680aeade8"></a>
typedef std::auto_ptr< <a class="el" href="classExiv2_1_1Key.html">Key</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#a9bf9953294ceb8d272908a0680aeade8">AutoPtr</a></td></tr>
<tr class="memdesc:a9bf9953294ceb8d272908a0680aeade8 inherit pub_types_classExiv2_1_1Key"><td class="mdescLeft"> </td><td class="mdescRight">Shortcut for a Key auto pointer. <br /></td></tr>
<tr class="separator:a9bf9953294ceb8d272908a0680aeade8 inherit pub_types_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Creators</div></td></tr>
<tr class="memitem:ac4bd973f85090565e0f1d7328ad4fbbc"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#ac4bd973f85090565e0f1d7328ad4fbbc">XmpKey</a> (const std::string &<a class="el" href="classExiv2_1_1XmpKey.html#ae7e40bdc4c5dd580308ab6cca6a0c6c6">key</a>)</td></tr>
<tr class="memdesc:ac4bd973f85090565e0f1d7328ad4fbbc"><td class="mdescLeft"> </td><td class="mdescRight">Constructor to create an XMP key from a key string. <a href="#ac4bd973f85090565e0f1d7328ad4fbbc">More...</a><br /></td></tr>
<tr class="separator:ac4bd973f85090565e0f1d7328ad4fbbc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad744de9a95d3adfeeb8134f9492ff9f7"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#ad744de9a95d3adfeeb8134f9492ff9f7">XmpKey</a> (const std::string &prefix, const std::string &property)</td></tr>
<tr class="memdesc:ad744de9a95d3adfeeb8134f9492ff9f7"><td class="mdescLeft"> </td><td class="mdescRight">Constructor to create an XMP key from a schema prefix and a property name. <a href="#ad744de9a95d3adfeeb8134f9492ff9f7">More...</a><br /></td></tr>
<tr class="separator:ad744de9a95d3adfeeb8134f9492ff9f7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a47466bceb7f5c7f02661b4ec29408ec7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a47466bceb7f5c7f02661b4ec29408ec7"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#a47466bceb7f5c7f02661b4ec29408ec7">XmpKey</a> (const <a class="el" href="classExiv2_1_1XmpKey.html">XmpKey</a> &rhs)</td></tr>
<tr class="memdesc:a47466bceb7f5c7f02661b4ec29408ec7"><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor. <br /></td></tr>
<tr class="separator:a47466bceb7f5c7f02661b4ec29408ec7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a593797b60cacf457055d7b61fed7ad4e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a593797b60cacf457055d7b61fed7ad4e"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#a593797b60cacf457055d7b61fed7ad4e">~XmpKey</a> ()</td></tr>
<tr class="memdesc:a593797b60cacf457055d7b61fed7ad4e"><td class="mdescLeft"> </td><td class="mdescRight">Virtual destructor. <br /></td></tr>
<tr class="separator:a593797b60cacf457055d7b61fed7ad4e"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Manipulators</div></td></tr>
<tr class="memitem:ab1f2654141f42259632027d34a5c8f15"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab1f2654141f42259632027d34a5c8f15"></a>
<a class="el" href="classExiv2_1_1XmpKey.html">XmpKey</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#ab1f2654141f42259632027d34a5c8f15">operator=</a> (const <a class="el" href="classExiv2_1_1XmpKey.html">XmpKey</a> &rhs)</td></tr>
<tr class="memdesc:ab1f2654141f42259632027d34a5c8f15"><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. <br /></td></tr>
<tr class="separator:ab1f2654141f42259632027d34a5c8f15"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<tr class="memitem:ae7e40bdc4c5dd580308ab6cca6a0c6c6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae7e40bdc4c5dd580308ab6cca6a0c6c6"></a>
virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#ae7e40bdc4c5dd580308ab6cca6a0c6c6">key</a> () const </td></tr>
<tr class="memdesc:ae7e40bdc4c5dd580308ab6cca6a0c6c6"><td class="mdescLeft"> </td><td class="mdescRight">Return the key of the metadatum as a string. The key is of the form 'familyName.groupName.tagName'. Note however that the key is not necessarily unique, e.g., an <a class="el" href="classExiv2_1_1ExifData.html" title="A container for Exif data. This is a top-level class of the Exiv2 library. The container holds Exifda...">ExifData</a> may contain multiple metadata with the same key. <br /></td></tr>
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virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#adc3a6fac6a9323fbd02de86495f143c5">familyName</a> () const </td></tr>
<tr class="memdesc:adc3a6fac6a9323fbd02de86495f143c5"><td class="mdescLeft"> </td><td class="mdescRight">Return an identifier for the type of metadata (the first part of the key) <br /></td></tr>
<tr class="separator:adc3a6fac6a9323fbd02de86495f143c5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a23aacfa5e504fa7b9cb4b58900485436"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a23aacfa5e504fa7b9cb4b58900485436"></a>
virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#a23aacfa5e504fa7b9cb4b58900485436">groupName</a> () const </td></tr>
<tr class="memdesc:a23aacfa5e504fa7b9cb4b58900485436"><td class="mdescLeft"> </td><td class="mdescRight">Return the name of the group (the second part of the key). For XMP keys, the group name is the schema prefix name. <br /></td></tr>
<tr class="separator:a23aacfa5e504fa7b9cb4b58900485436"><td class="memSeparator" colspan="2"> </td></tr>
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virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#ab12232f30942081f258c22ab4019495e">tagName</a> () const </td></tr>
<tr class="memdesc:ab12232f30942081f258c22ab4019495e"><td class="mdescLeft"> </td><td class="mdescRight">Return the name of the tag (which is also the third part of the key) <br /></td></tr>
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<tr class="memitem:aeec51e06fd148b31e44c6cb8c3aa2765"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeec51e06fd148b31e44c6cb8c3aa2765"></a>
virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#aeec51e06fd148b31e44c6cb8c3aa2765">tagLabel</a> () const </td></tr>
<tr class="memdesc:aeec51e06fd148b31e44c6cb8c3aa2765"><td class="mdescLeft"> </td><td class="mdescRight">Return a label for the tag. <br /></td></tr>
<tr class="separator:aeec51e06fd148b31e44c6cb8c3aa2765"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6e2cf85d802aa9d8f3fa1936d766ab1f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6e2cf85d802aa9d8f3fa1936d766ab1f"></a>
virtual uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#a6e2cf85d802aa9d8f3fa1936d766ab1f">tag</a> () const </td></tr>
<tr class="memdesc:a6e2cf85d802aa9d8f3fa1936d766ab1f"><td class="mdescLeft"> </td><td class="mdescRight">Properties don't have a tag number. Return 0. <br /></td></tr>
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<tr class="memitem:a9edcb314a96db7bf7ee5e1d5d74dd588"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9edcb314a96db7bf7ee5e1d5d74dd588"></a>
<a class="el" href="classExiv2_1_1Key.html#a9bf9953294ceb8d272908a0680aeade8">AutoPtr</a> </td><td class="memItemRight" valign="bottom"><b>clone</b> () const </td></tr>
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<tr class="memitem:a3e6ffb93ddae44f44563b329ecfba0cb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3e6ffb93ddae44f44563b329ecfba0cb"></a>
std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpKey.html#a3e6ffb93ddae44f44563b329ecfba0cb">ns</a> () const </td></tr>
<tr class="memdesc:a3e6ffb93ddae44f44563b329ecfba0cb"><td class="mdescLeft"> </td><td class="mdescRight">Return the schema namespace for the prefix of the key. <br /></td></tr>
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<tr class="inherit_header pub_methods_classExiv2_1_1Key"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classExiv2_1_1Key')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classExiv2_1_1Key.html">Exiv2::Key</a></td></tr>
<tr class="memitem:a574f73b95eb37cfa7ad509b0b1c26b61 inherit pub_methods_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a574f73b95eb37cfa7ad509b0b1c26b61"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#a574f73b95eb37cfa7ad509b0b1c26b61">~Key</a> ()</td></tr>
<tr class="memdesc:a574f73b95eb37cfa7ad509b0b1c26b61 inherit pub_methods_classExiv2_1_1Key"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:a574f73b95eb37cfa7ad509b0b1c26b61 inherit pub_methods_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9f7e6d66e806bb9e80f35ca77d12062c inherit pub_methods_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9f7e6d66e806bb9e80f35ca77d12062c"></a>
<a class="el" href="classExiv2_1_1Key.html#a9bf9953294ceb8d272908a0680aeade8">AutoPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#a9f7e6d66e806bb9e80f35ca77d12062c">clone</a> () const </td></tr>
<tr class="memdesc:a9f7e6d66e806bb9e80f35ca77d12062c inherit pub_methods_classExiv2_1_1Key"><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 class="separator:a9f7e6d66e806bb9e80f35ca77d12062c inherit pub_methods_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adc70aa4f962abd267e2d4f98f89538b5 inherit pub_methods_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adc70aa4f962abd267e2d4f98f89538b5"></a>
std::ostream & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#adc70aa4f962abd267e2d4f98f89538b5">write</a> (std::ostream &os) const </td></tr>
<tr class="memdesc:adc70aa4f962abd267e2d4f98f89538b5 inherit pub_methods_classExiv2_1_1Key"><td class="mdescLeft"> </td><td class="mdescRight">Write the key to an output stream. You do not usually have to use this function; it is used for the implementation of the output operator for Key, <a class="el" href="namespaceExiv2.html#aa225826fb028de2941da4230b51dfb95" title="Output operator for Key types. ">operator<<(std::ostream &os, const Key &key)</a>. <br /></td></tr>
<tr class="separator:adc70aa4f962abd267e2d4f98f89538b5 inherit pub_methods_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_methods_classExiv2_1_1Key"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classExiv2_1_1Key')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classExiv2_1_1Key.html">Exiv2::Key</a></td></tr>
<tr class="memitem:a25d4c3b768148728e8b03fa47d4206cc inherit pro_methods_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a25d4c3b768148728e8b03fa47d4206cc"></a>
<a class="el" href="classExiv2_1_1Key.html">Key</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#a25d4c3b768148728e8b03fa47d4206cc">operator=</a> (const <a class="el" href="classExiv2_1_1Key.html">Key</a> &rhs)</td></tr>
<tr class="memdesc:a25d4c3b768148728e8b03fa47d4206cc inherit pro_methods_classExiv2_1_1Key"><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. Protected so that it can only be used by subclasses but not directly. <br /></td></tr>
<tr class="separator:a25d4c3b768148728e8b03fa47d4206cc inherit pro_methods_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Concrete keys for XMP metadata. </p>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="xmpsample_8cpp-example.html#_a9">xmpsample.cpp</a>.</dd>
</dl></div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a class="anchor" id="ac4bd973f85090565e0f1d7328ad4fbbc"></a>
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<td class="memname">Exiv2::XmpKey::XmpKey </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>key</em></td><td>)</td>
<td></td>
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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<p>Constructor to create an XMP key from a key string. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">key</td><td>The key string. </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">Error</td><td>if the first part of the key is not '<b>Xmp</b>' or the second part of the key cannot be parsed and converted to a known (i.e., built-in or registered) schema prefix. </td></tr>
</table>
</dd>
</dl>
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<td class="memname">Exiv2::XmpKey::XmpKey </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>prefix</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>property</em> </td>
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<td>)</td>
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<p>Constructor to create an XMP key from a schema prefix and a property name. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">prefix</td><td>Schema prefix name </td></tr>
<tr><td class="paramname">property</td><td>Property name</td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">Error</td><td>if the schema prefix is not known. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="properties_8hpp.html">properties.hpp</a></li>
<li>properties.cpp</li>
</ul>
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