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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<title>Xapian: API Documentation: Xapian::ValueRangeProcessor Class Reference</title>
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<li class="navelem"><a class="el" href="namespaceXapian.html">Xapian</a></li><li class="navelem"><a class="el" href="classXapian_1_1ValueRangeProcessor.html">ValueRangeProcessor</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">Xapian::ValueRangeProcessor Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>Base class for value range processors.
<a href="classXapian_1_1ValueRangeProcessor.html#details">More...</a></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 Xapian::ValueRangeProcessor:</div>
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<div class="center"><img src="classXapian_1_1ValueRangeProcessor__inherit__graph.png" border="0" usemap="#Xapian_1_1ValueRangeProcessor_inherit__map" alt="Inheritance graph"/></div>
<map name="Xapian_1_1ValueRangeProcessor_inherit__map" id="Xapian_1_1ValueRangeProcessor_inherit__map">
<area shape="rect" id="node3" href="classXapian_1_1StringValueRangeProcessor.html" title="Handle a string range. " alt="" coords="148,155,323,196"/>
<area shape="rect" id="node4" href="classXapian_1_1DateValueRangeProcessor.html" title="Handle a date range. " alt="" coords="5,251,233,278"/>
<area shape="rect" id="node5" href="classXapian_1_1NumberValueRangeProcessor.html" title="Handle a number range. " alt="" coords="258,244,445,285"/>
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<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-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a49c2fa240e0d3651efce6dce881f09d7"><td class="memItemLeft" align="right" valign="top"><a id="a49c2fa240e0d3651efce6dce881f09d7"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classXapian_1_1ValueRangeProcessor.html#a49c2fa240e0d3651efce6dce881f09d7">ValueRangeProcessor</a> ()</td></tr>
<tr class="memdesc:a49c2fa240e0d3651efce6dce881f09d7"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br /></td></tr>
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<tr class="memitem:ab32baad9238adb002b47f99ec362e56e"><td class="memItemLeft" align="right" valign="top"><a id="ab32baad9238adb002b47f99ec362e56e"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classXapian_1_1ValueRangeProcessor.html#ab32baad9238adb002b47f99ec362e56e">~ValueRangeProcessor</a> ()</td></tr>
<tr class="memdesc:ab32baad9238adb002b47f99ec362e56e"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:ab32baad9238adb002b47f99ec362e56e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa04e11c41e40ceed5f796c94348d2ad2"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="namespaceXapian.html#a94a899651fa920c72ffa9635bde630ea">Xapian::valueno</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classXapian_1_1ValueRangeProcessor.html#aa04e11c41e40ceed5f796c94348d2ad2">operator()</a> (std::string &begin, std::string &end)=0</td></tr>
<tr class="memdesc:aa04e11c41e40ceed5f796c94348d2ad2"><td class="mdescLeft"> </td><td class="mdescRight">Check for a valid range of this type. <a href="#aa04e11c41e40ceed5f796c94348d2ad2">More...</a><br /></td></tr>
<tr class="separator:aa04e11c41e40ceed5f796c94348d2ad2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa53c7c9c9308ecd9a3cc422a2e726ada"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classXapian_1_1ValueRangeProcessor.html">ValueRangeProcessor</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classXapian_1_1ValueRangeProcessor.html#aa53c7c9c9308ecd9a3cc422a2e726ada">release</a> ()</td></tr>
<tr class="memdesc:aa53c7c9c9308ecd9a3cc422a2e726ada"><td class="mdescLeft"> </td><td class="mdescRight">Start reference counting this object. <a href="#aa53c7c9c9308ecd9a3cc422a2e726ada">More...</a><br /></td></tr>
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<tr class="memitem:a3af6afed59542f771793971205d1f957"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classXapian_1_1ValueRangeProcessor.html">ValueRangeProcessor</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classXapian_1_1ValueRangeProcessor.html#a3af6afed59542f771793971205d1f957">release</a> () const</td></tr>
<tr class="memdesc:a3af6afed59542f771793971205d1f957"><td class="mdescLeft"> </td><td class="mdescRight">Start reference counting this object. <a href="#a3af6afed59542f771793971205d1f957">More...</a><br /></td></tr>
<tr class="separator:a3af6afed59542f771793971205d1f957"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Base class for value range processors. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="aa04e11c41e40ceed5f796c94348d2ad2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa04e11c41e40ceed5f796c94348d2ad2">◆ </a></span>operator()()</h2>
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<td class="memname">virtual <a class="el" href="namespaceXapian.html#a94a899651fa920c72ffa9635bde630ea">Xapian::valueno</a> Xapian::ValueRangeProcessor::operator() </td>
<td>(</td>
<td class="paramtype">std::string & </td>
<td class="paramname"><em>begin</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::string & </td>
<td class="paramname"><em>end</em> </td>
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<td>)</td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>Check for a valid range of this type. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in,out]</td><td class="paramname">begin</td><td>The start of the range as specified in the query string by the user. This parameter is a non-const reference so the <a class="el" href="classXapian_1_1ValueRangeProcessor.html" title="Base class for value range processors. ">ValueRangeProcessor</a> can modify it to return the value to start the range with. </td></tr>
<tr><td class="paramdir">[in,out]</td><td class="paramname">end</td><td>The end of the range. This is also a non-const reference so it can be modified.</td></tr>
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</dl>
<dl class="section return"><dt>Returns</dt><dd>If this <a class="el" href="classXapian_1_1ValueRangeProcessor.html" title="Base class for value range processors. ">ValueRangeProcessor</a> recognises the range BEGIN..END it returns the value slot number to range filter on. Otherwise it returns <a class="el" href="namespaceXapian.html#a0a75ef120e641c77f703e60f595ffda2" title="Reserved value to indicate "no valueno". ">Xapian::BAD_VALUENO</a>. </dd></dl>
<p>Implemented in <a class="el" href="classXapian_1_1NumberValueRangeProcessor.html#a4a0951e57a4ea8fcdcd9bec6a8037514">Xapian::NumberValueRangeProcessor</a>, <a class="el" href="classXapian_1_1DateValueRangeProcessor.html#a29c079d9156a872f38fca82195525a92">Xapian::DateValueRangeProcessor</a>, and <a class="el" href="classXapian_1_1StringValueRangeProcessor.html#aac2cd6bf4645a3bb242cf5ad5022ae5e">Xapian::StringValueRangeProcessor</a>.</p>
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<a id="aa53c7c9c9308ecd9a3cc422a2e726ada"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa53c7c9c9308ecd9a3cc422a2e726ada">◆ </a></span>release() <span class="overload">[1/2]</span></h2>
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<td class="memname"><a class="el" href="classXapian_1_1ValueRangeProcessor.html">ValueRangeProcessor</a>* Xapian::ValueRangeProcessor::release </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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<p>Start reference counting this object. </p>
<p>You can hand ownership of a dynamically allocated <a class="el" href="classXapian_1_1ValueRangeProcessor.html" title="Base class for value range processors. ">ValueRangeProcessor</a> object to <a class="el" href="namespaceXapian.html" title="The Xapian namespace contains public interfaces for the Xapian library. ">Xapian</a> by calling <a class="el" href="classXapian_1_1ValueRangeProcessor.html#aa53c7c9c9308ecd9a3cc422a2e726ada" title="Start reference counting this object. ">release()</a> and then passing the object to a <a class="el" href="namespaceXapian.html" title="The Xapian namespace contains public interfaces for the Xapian library. ">Xapian</a> method. <a class="el" href="namespaceXapian.html" title="The Xapian namespace contains public interfaces for the Xapian library. ">Xapian</a> will arrange to delete the object once it is no longer required. </p>
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<a id="a3af6afed59542f771793971205d1f957"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3af6afed59542f771793971205d1f957">◆ </a></span>release() <span class="overload">[2/2]</span></h2>
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<td class="memname">const <a class="el" href="classXapian_1_1ValueRangeProcessor.html">ValueRangeProcessor</a>* Xapian::ValueRangeProcessor::release </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Start reference counting this object. </p>
<p>You can hand ownership of a dynamically allocated <a class="el" href="classXapian_1_1ValueRangeProcessor.html" title="Base class for value range processors. ">ValueRangeProcessor</a> object to <a class="el" href="namespaceXapian.html" title="The Xapian namespace contains public interfaces for the Xapian library. ">Xapian</a> by calling <a class="el" href="classXapian_1_1ValueRangeProcessor.html#aa53c7c9c9308ecd9a3cc422a2e726ada" title="Start reference counting this object. ">release()</a> and then passing the object to a <a class="el" href="namespaceXapian.html" title="The Xapian namespace contains public interfaces for the Xapian library. ">Xapian</a> method. <a class="el" href="namespaceXapian.html" title="The Xapian namespace contains public interfaces for the Xapian library. ">Xapian</a> will arrange to delete the object once it is no longer required. </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>xapian/<a class="el" href="queryparser_8h.html">queryparser.h</a></li>
</ul>
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Documentation for Xapian (version 1.4.3).<br>
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