<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.8"/> <title>Exiv2: Exiv2::XmpData Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Exiv2 </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.8 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> <li> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> </span><span class="right"> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </span> </div> </li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(11)"><span class="SelectionMark"> </span>Pages</a></div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="namespaceExiv2.html">Exiv2</a></li><li class="navelem"><a class="el" href="classExiv2_1_1XmpData.html">XmpData</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#pub-types">Public Types</a> | <a href="classExiv2_1_1XmpData-members.html">List of all members</a> </div> <div class="headertitle"> <div class="title">Exiv2::XmpData Class Reference</div> </div> </div><!--header--> <div class="contents"> <p>A container for XMP data. This is a top-level class of the Exiv2 library. <a href="classExiv2_1_1XmpData.html#details">More...</a></p> <p><code>#include <xmp.hpp></code></p> <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:a6ad054efbea675843895e3f74c3c1923"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6ad054efbea675843895e3f74c3c1923"></a> typedef XmpMetadata::iterator </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a6ad054efbea675843895e3f74c3c1923">iterator</a></td></tr> <tr class="memdesc:a6ad054efbea675843895e3f74c3c1923"><td class="mdescLeft"> </td><td class="mdescRight">XmpMetadata iterator type. <br /></td></tr> <tr class="separator:a6ad054efbea675843895e3f74c3c1923"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9c0a6575296f3da8bfc200091da40f2e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9c0a6575296f3da8bfc200091da40f2e"></a> typedef XmpMetadata::const_iterator </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a9c0a6575296f3da8bfc200091da40f2e">const_iterator</a></td></tr> <tr class="memdesc:a9c0a6575296f3da8bfc200091da40f2e"><td class="mdescLeft"> </td><td class="mdescRight">XmpMetadata const iterator type. <br /></td></tr> <tr class="separator:a9c0a6575296f3da8bfc200091da40f2e"><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">Manipulators</div></td></tr> <tr class="memitem:aea04017bc03a315d2c8045f889233d54"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classExiv2_1_1Xmpdatum.html">Xmpdatum</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#aea04017bc03a315d2c8045f889233d54">operator[]</a> (const std::string &key)</td></tr> <tr class="memdesc:aea04017bc03a315d2c8045f889233d54"><td class="mdescLeft"> </td><td class="mdescRight">Returns a reference to the Xmpdatum that is associated with a particular <em>key</em>. If XmpData does not already contain such an Xmpdatum, operator[] adds object <em>Xmpdatum(key)</em>. <a href="#aea04017bc03a315d2c8045f889233d54">More...</a><br /></td></tr> <tr class="separator:aea04017bc03a315d2c8045f889233d54"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a8ce28ae5c68a30b8e646c7ddfed75843"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a8ce28ae5c68a30b8e646c7ddfed75843">add</a> (const <a class="el" href="classExiv2_1_1XmpKey.html">XmpKey</a> &key, const <a class="el" href="classExiv2_1_1Value.html">Value</a> *value)</td></tr> <tr class="memdesc:a8ce28ae5c68a30b8e646c7ddfed75843"><td class="mdescLeft"> </td><td class="mdescRight">Add an Xmpdatum from the supplied key and value pair. This method copies (clones) the value. <a href="#a8ce28ae5c68a30b8e646c7ddfed75843">More...</a><br /></td></tr> <tr class="separator:a8ce28ae5c68a30b8e646c7ddfed75843"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a23383a89960ba5b9c6c753b4b0b83198"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a23383a89960ba5b9c6c753b4b0b83198">add</a> (const <a class="el" href="classExiv2_1_1Xmpdatum.html">Xmpdatum</a> &xmpdatum)</td></tr> <tr class="memdesc:a23383a89960ba5b9c6c753b4b0b83198"><td class="mdescLeft"> </td><td class="mdescRight">Add a copy of the <a class="el" href="classExiv2_1_1Xmpdatum.html" title="Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provid...">Xmpdatum</a> to the XMP metadata. <a href="#a23383a89960ba5b9c6c753b4b0b83198">More...</a><br /></td></tr> <tr class="separator:a23383a89960ba5b9c6c753b4b0b83198"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a6c7f21d38928596ead01c988ea3e62d2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classExiv2_1_1XmpData.html#a6ad054efbea675843895e3f74c3c1923">iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a6c7f21d38928596ead01c988ea3e62d2">erase</a> (<a class="el" href="classExiv2_1_1XmpData.html#a6ad054efbea675843895e3f74c3c1923">iterator</a> pos)</td></tr> <tr class="memdesc:a6c7f21d38928596ead01c988ea3e62d2"><td class="mdescLeft"> </td><td class="mdescRight">Delete the <a class="el" href="classExiv2_1_1Xmpdatum.html" title="Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provid...">Xmpdatum</a> at iterator position pos, return the position of the next <a class="el" href="classExiv2_1_1Xmpdatum.html" title="Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provid...">Xmpdatum</a>. <a href="#a6c7f21d38928596ead01c988ea3e62d2">More...</a><br /></td></tr> <tr class="separator:a6c7f21d38928596ead01c988ea3e62d2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab7e69abc3ee547aacb45893aa8d83051"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab7e69abc3ee547aacb45893aa8d83051"></a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#ab7e69abc3ee547aacb45893aa8d83051">clear</a> ()</td></tr> <tr class="memdesc:ab7e69abc3ee547aacb45893aa8d83051"><td class="mdescLeft"> </td><td class="mdescRight">Delete all <a class="el" href="classExiv2_1_1Xmpdatum.html" title="Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provid...">Xmpdatum</a> instances resulting in an empty container. <br /></td></tr> <tr class="separator:ab7e69abc3ee547aacb45893aa8d83051"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aafa3be4e1c7056450d6448a9b5240e95"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aafa3be4e1c7056450d6448a9b5240e95"></a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#aafa3be4e1c7056450d6448a9b5240e95">sortByKey</a> ()</td></tr> <tr class="memdesc:aafa3be4e1c7056450d6448a9b5240e95"><td class="mdescLeft"> </td><td class="mdescRight">Sort metadata by key. <br /></td></tr> <tr class="separator:aafa3be4e1c7056450d6448a9b5240e95"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab79f31eb811252976d01f2e69fa063a2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab79f31eb811252976d01f2e69fa063a2"></a> <a class="el" href="classExiv2_1_1XmpData.html#a6ad054efbea675843895e3f74c3c1923">iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#ab79f31eb811252976d01f2e69fa063a2">begin</a> ()</td></tr> <tr class="memdesc:ab79f31eb811252976d01f2e69fa063a2"><td class="mdescLeft"> </td><td class="mdescRight">Begin of the metadata. <br /></td></tr> <tr class="separator:ab79f31eb811252976d01f2e69fa063a2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a232b8897f5d90a6bc087d7d010e80b92"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a232b8897f5d90a6bc087d7d010e80b92"></a> <a class="el" href="classExiv2_1_1XmpData.html#a6ad054efbea675843895e3f74c3c1923">iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a232b8897f5d90a6bc087d7d010e80b92">end</a> ()</td></tr> <tr class="memdesc:a232b8897f5d90a6bc087d7d010e80b92"><td class="mdescLeft"> </td><td class="mdescRight">End of the metadata. <br /></td></tr> <tr class="separator:a232b8897f5d90a6bc087d7d010e80b92"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a91864d348037f21fedb7c0591180b37d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a91864d348037f21fedb7c0591180b37d"></a> <a class="el" href="classExiv2_1_1XmpData.html#a6ad054efbea675843895e3f74c3c1923">iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a91864d348037f21fedb7c0591180b37d">findKey</a> (const <a class="el" href="classExiv2_1_1XmpKey.html">XmpKey</a> &key)</td></tr> <tr class="memdesc:a91864d348037f21fedb7c0591180b37d"><td class="mdescLeft"> </td><td class="mdescRight">Find the first <a class="el" href="classExiv2_1_1Xmpdatum.html" title="Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provid...">Xmpdatum</a> with the given key, return an iterator to it. <br /></td></tr> <tr class="separator:a91864d348037f21fedb7c0591180b37d"><td class="memSeparator" colspan="2"> </td></tr> <tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr> <tr class="memitem:a081f1eb67488b3a156c7dd8161b7e9d0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a081f1eb67488b3a156c7dd8161b7e9d0"></a> <a class="el" href="classExiv2_1_1XmpData.html#a9c0a6575296f3da8bfc200091da40f2e">const_iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a081f1eb67488b3a156c7dd8161b7e9d0">begin</a> () const </td></tr> <tr class="memdesc:a081f1eb67488b3a156c7dd8161b7e9d0"><td class="mdescLeft"> </td><td class="mdescRight">Begin of the metadata. <br /></td></tr> <tr class="separator:a081f1eb67488b3a156c7dd8161b7e9d0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a3b7f699ba39823b8c1d714e15afc1fcd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3b7f699ba39823b8c1d714e15afc1fcd"></a> <a class="el" href="classExiv2_1_1XmpData.html#a9c0a6575296f3da8bfc200091da40f2e">const_iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a3b7f699ba39823b8c1d714e15afc1fcd">end</a> () const </td></tr> <tr class="memdesc:a3b7f699ba39823b8c1d714e15afc1fcd"><td class="mdescLeft"> </td><td class="mdescRight">End of the metadata. <br /></td></tr> <tr class="separator:a3b7f699ba39823b8c1d714e15afc1fcd"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9dfdeaa1a297d63a721fb7249ab00e12"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9dfdeaa1a297d63a721fb7249ab00e12"></a> <a class="el" href="classExiv2_1_1XmpData.html#a9c0a6575296f3da8bfc200091da40f2e">const_iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a9dfdeaa1a297d63a721fb7249ab00e12">findKey</a> (const <a class="el" href="classExiv2_1_1XmpKey.html">XmpKey</a> &key) const </td></tr> <tr class="memdesc:a9dfdeaa1a297d63a721fb7249ab00e12"><td class="mdescLeft"> </td><td class="mdescRight">Find the first <a class="el" href="classExiv2_1_1Xmpdatum.html" title="Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provid...">Xmpdatum</a> with the given key, return a const iterator to it. <br /></td></tr> <tr class="separator:a9dfdeaa1a297d63a721fb7249ab00e12"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a43064f07800d084d5c4f9413c704f298"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a43064f07800d084d5c4f9413c704f298"></a> bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a43064f07800d084d5c4f9413c704f298">empty</a> () const </td></tr> <tr class="memdesc:a43064f07800d084d5c4f9413c704f298"><td class="mdescLeft"> </td><td class="mdescRight">Return true if there is no XMP metadata. <br /></td></tr> <tr class="separator:a43064f07800d084d5c4f9413c704f298"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a65b24c7bef3d7e9f2b58edfc19571753"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a65b24c7bef3d7e9f2b58edfc19571753"></a> long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1XmpData.html#a65b24c7bef3d7e9f2b58edfc19571753">count</a> () const </td></tr> <tr class="memdesc:a65b24c7bef3d7e9f2b58edfc19571753"><td class="mdescLeft"> </td><td class="mdescRight">Get the number of metadata entries. <br /></td></tr> <tr class="separator:a65b24c7bef3d7e9f2b58edfc19571753"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>A container for XMP data. This is a top-level class of the Exiv2 library. </p> <p>Provide high-level access to the XMP data of an image:</p><ul> <li>read XMP information from an XML block</li> <li>access metadata through keys and standard C++ iterators</li> <li>add, modify and delete metadata</li> <li>serialize XMP data to an XML block </li> </ul> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="xmpsample_8cpp-example.html#_a0">xmpsample.cpp</a>.</dd> </dl></div><h2 class="groupheader">Member Function Documentation</h2> <a class="anchor" id="a8ce28ae5c68a30b8e646c7ddfed75843"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int Exiv2::XmpData::add </td> <td>(</td> <td class="paramtype">const <a class="el" href="classExiv2_1_1XmpKey.html">XmpKey</a> & </td> <td class="paramname"><em>key</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="classExiv2_1_1Value.html">Value</a> * </td> <td class="paramname"><em>value</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Add an Xmpdatum from the supplied key and value pair. This method copies (clones) the value. </p> <dl class="section return"><dt>Returns</dt><dd>0 if successful. </dd></dl> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="xmpsample_8cpp-example.html#a15">xmpsample.cpp</a>.</dd> </dl> <p>Referenced by <a class="el" href="classExiv2_1_1XmpParser.html#a53995152072367fba238ceadfacbaff0">Exiv2::XmpParser::decode()</a>, <a class="el" href="classExiv2_1_1RiffVideo.html#a660563a8363896c71076467ca393f788">Exiv2::RiffVideo::junkHandler()</a>, <a class="el" href="classExiv2_1_1AsfVideo.html#a0123d3a87ca087363335f6f11951b98d">Exiv2::AsfVideo::metadataHandler()</a>, <a class="el" href="classExiv2_1_1XmpData.html#aea04017bc03a315d2c8045f889233d54">operator[]()</a>, and <a class="el" href="classExiv2_1_1AsfVideo.html#ace31fbced60cec67b999863b8d8cc658">Exiv2::AsfVideo::tagDecoder()</a>.</p> </div> </div> <a class="anchor" id="a23383a89960ba5b9c6c753b4b0b83198"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int Exiv2::XmpData::add </td> <td>(</td> <td class="paramtype">const <a class="el" href="classExiv2_1_1Xmpdatum.html">Xmpdatum</a> & </td> <td class="paramname"><em>xmpdatum</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Add a copy of the <a class="el" href="classExiv2_1_1Xmpdatum.html" title="Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provid...">Xmpdatum</a> to the XMP metadata. </p> <dl class="section return"><dt>Returns</dt><dd>0 if successful. </dd></dl> </div> </div> <a class="anchor" id="a6c7f21d38928596ead01c988ea3e62d2"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classExiv2_1_1XmpData.html#a6ad054efbea675843895e3f74c3c1923">XmpData::iterator</a> Exiv2::XmpData::erase </td> <td>(</td> <td class="paramtype"><a class="el" href="classExiv2_1_1XmpData.html#a6ad054efbea675843895e3f74c3c1923">XmpData::iterator</a> </td> <td class="paramname"><em>pos</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Delete the <a class="el" href="classExiv2_1_1Xmpdatum.html" title="Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provid...">Xmpdatum</a> at iterator position pos, return the position of the next <a class="el" href="classExiv2_1_1Xmpdatum.html" title="Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provid...">Xmpdatum</a>. </p> <dl class="section note"><dt>Note</dt><dd>Iterators into the metadata, including pos, are potentially invalidated by this call. </dd></dl> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="xmpsample_8cpp-example.html#a12">xmpsample.cpp</a>.</dd> </dl> <p>Referenced by <a class="el" href="classExiv2_1_1Converter.html#a6c4fe48b02bd5f036a8ce7e1d41a2ea3">Exiv2::Converter::cnvXmpArray()</a>, <a class="el" href="classExiv2_1_1Converter.html#aeda35aa57f60caf68d81603b0c33fe2e">Exiv2::Converter::cnvXmpComment()</a>, <a class="el" href="classExiv2_1_1Converter.html#a71becb0e5b8f267cc96d9b7f5312c4fc">Exiv2::Converter::cnvXmpDate()</a>, <a class="el" href="classExiv2_1_1Converter.html#a3fa6261ccd2aad114811f336da7d65a8">Exiv2::Converter::cnvXmpFlash()</a>, <a class="el" href="classExiv2_1_1Converter.html#ab919aa805d435f5da8119fb5ab7272a3">Exiv2::Converter::cnvXmpGPSCoord()</a>, <a class="el" href="classExiv2_1_1Converter.html#a8c155519d2d5371a7cb3a843828694be">Exiv2::Converter::cnvXmpGPSVersion()</a>, <a class="el" href="classExiv2_1_1Converter.html#a01fa347250b39e24418e31203cee0a06">Exiv2::Converter::cnvXmpValue()</a>, <a class="el" href="classExiv2_1_1Converter.html#aaa7c55b0481e6469d3195b0f99f70d5d">Exiv2::Converter::cnvXmpValueToIptc()</a>, and <a class="el" href="classExiv2_1_1Converter.html#a72ec87bd8cd8b0342e199bf144e450c5">Exiv2::Converter::cnvXmpVersion()</a>.</p> </div> </div> <a class="anchor" id="aea04017bc03a315d2c8045f889233d54"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classExiv2_1_1Xmpdatum.html">Xmpdatum</a> & Exiv2::XmpData::operator[] </td> <td>(</td> <td class="paramtype">const std::string & </td> <td class="paramname"><em>key</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Returns a reference to the Xmpdatum that is associated with a particular <em>key</em>. If XmpData does not already contain such an Xmpdatum, operator[] adds object <em>Xmpdatum(key)</em>. </p> <dl class="section note"><dt>Note</dt><dd>Since operator[] might insert a new element, it can't be a const member function. </dd></dl> <p>References <a class="el" href="classExiv2_1_1XmpData.html#a8ce28ae5c68a30b8e646c7ddfed75843">add()</a>, <a class="el" href="classExiv2_1_1XmpData.html#a232b8897f5d90a6bc087d7d010e80b92">end()</a>, and <a class="el" href="classExiv2_1_1XmpData.html#a91864d348037f21fedb7c0591180b37d">findKey()</a>.</p> </div> </div> <hr/>The documentation for this class was generated from the following files:<ul> <li><a class="el" href="xmp_8hpp.html">xmp.hpp</a></li> <li>xmp.cpp</li> </ul> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Thu Oct 26 2017 16:50:15 for Exiv2 by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.8 </small></address> </body> </html>