<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GUPnPSearchCriteriaParser: GUPnP A/V Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<link rel="home" href="index.html" title="GUPnP A/V Reference Manual">
<link rel="up" href="ch01.html" title="GUPnP A/V">
<link rel="prev" href="GUPnPCDSLastChangeParser.html" title="GUPnPCDSLastChangeParser">
<link rel="next" href="GUPnPProtocolInfo.html" title="GUPnPProtocolInfo">
<meta name="generator" content="GTK-Doc V1.25 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span>
<a href="#GUPnPSearchCriteriaParser.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
<a href="#GUPnPSearchCriteriaParser.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_signals"> <span class="dim">|</span>
<a href="#GUPnPSearchCriteriaParser.signals" class="shortcut">Signals</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="GUPnPCDSLastChangeParser.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="GUPnPProtocolInfo.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="GUPnPSearchCriteriaParser"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GUPnPSearchCriteriaParser.top_of_page"></a>GUPnPSearchCriteriaParser</span></h2>
<p>GUPnPSearchCriteriaParser — A/V search criteria parser</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GUPnPSearchCriteriaParser.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="returnvalue">GUPnPSearchCriteriaParser</span></a> *
</td>
<td class="function_name">
<a class="link" href="GUPnPSearchCriteriaParser.html#gupnp-search-criteria-parser-new" title="gupnp_search_criteria_parser_new ()">gupnp_search_criteria_parser_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GUPnPSearchCriteriaParser.html#gupnp-search-criteria-parser-parse-text" title="gupnp_search_criteria_parser_parse_text ()">gupnp_search_criteria_parser_parse_text</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GUPnPSearchCriteriaParser.signals"></a><h2>Signals</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GUPnPSearchCriteriaParser.html#GUPnPSearchCriteriaParser-begin-parens" title="The “begin-parens” signal">begin-parens</a></td>
<td class="signal_flags"><a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GUPnPSearchCriteriaParser.html#GUPnPSearchCriteriaParser-conjunction" title="The “conjunction” signal">conjunction</a></td>
<td class="signal_flags"><a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GUPnPSearchCriteriaParser.html#GUPnPSearchCriteriaParser-disjunction" title="The “disjunction” signal">disjunction</a></td>
<td class="signal_flags"><a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GUPnPSearchCriteriaParser.html#GUPnPSearchCriteriaParser-end-parens" title="The “end-parens” signal">end-parens</a></td>
<td class="signal_flags"><a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td>
</tr>
<tr>
<td class="signal_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a></td>
<td class="signal_name"><a class="link" href="GUPnPSearchCriteriaParser.html#GUPnPSearchCriteriaParser-expression" title="The “expression” signal">expression</a></td>
<td class="signal_flags"><a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GUPnPSearchCriteriaParser.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GUPnPSearchCriteriaParser.html#GUPnPSearchCriteriaParser-struct" title="GUPnPSearchCriteriaParser">GUPnPSearchCriteriaParser</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="GUPnPSearchCriteriaParser.html#GUPnPSearchCriteriaOp" title="enum GUPnPSearchCriteriaOp">GUPnPSearchCriteriaOp</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GUPnPSearchCriteriaParser.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="https://developer.gnome.org/gobject/unstable/gobject-Enumeration-and-Flag-Types.html">GEnum</a>
<span class="lineart">╰──</span> GUPnPSearchCriteriaOp
<a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> GUPnPSearchCriteriaParser
</pre>
</div>
<div class="refsect1">
<a name="GUPnPSearchCriteriaParser.description"></a><h2>Description</h2>
<p><a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> parses ContentDirectory search criteria
strings.</p>
<p>Note that no signals will be emitted if a wildcard is specified,
and that the user is responsible for ensuring precedence of conjunction
over disjunction.</p>
</div>
<div class="refsect1">
<a name="GUPnPSearchCriteriaParser.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gupnp-search-criteria-parser-new"></a><h3>gupnp_search_criteria_parser_new ()</h3>
<pre class="programlisting"><a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="returnvalue">GUPnPSearchCriteriaParser</span></a> *
gupnp_search_criteria_parser_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<div class="refsect3">
<a name="gupnp-search-criteria-parser-new.returns"></a><h4>Returns</h4>
<p> A new <a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> object.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gupnp-search-criteria-parser-parse-text"></a><h3>gupnp_search_criteria_parser_parse_text ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gupnp_search_criteria_parser_parse_text
(<em class="parameter"><code><a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> *parser</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *text</code></em>,
<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Parses <em class="parameter"><code>text</code></em>
, emitting the various defined signals on the way. If an
error occured <em class="parameter"><code>error</code></em>
will be set.</p>
<div class="refsect3">
<a name="gupnp-search-criteria-parser-parse-text.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>parser</p></td>
<td class="parameter_description"><p>A <a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>text</p></td>
<td class="parameter_description"><p>The search criteria string to be parsed</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>The location where to store the error information if any, or NULL</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gupnp-search-criteria-parser-parse-text.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="GUPnPSearchCriteriaParser.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GUPnPSearchCriteriaParser-struct"></a><h3>GUPnPSearchCriteriaParser</h3>
<pre class="programlisting">typedef struct _GUPnPSearchCriteriaParser GUPnPSearchCriteriaParser;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GUPnPSearchCriteriaOp"></a><h3>enum GUPnPSearchCriteriaOp</h3>
<p>The possible operators in SearchCriteria strings.</p>
<div class="refsect3">
<a name="GUPnPSearchCriteriaOp.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-EQ:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_EQ</p></td>
<td class="enum_member_description">
<p>'='</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-NEQ:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_NEQ</p></td>
<td class="enum_member_description">
<p>'!='</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-LESS:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_LESS</p></td>
<td class="enum_member_description">
<p>'<'</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-LEQ:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_LEQ</p></td>
<td class="enum_member_description">
<p>'<='</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-GREATER:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_GREATER</p></td>
<td class="enum_member_description">
<p>'>'</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-GEQ:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_GEQ</p></td>
<td class="enum_member_description">
<p>'>='</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-CONTAINS:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_CONTAINS</p></td>
<td class="enum_member_description">
<p>'contains'</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-DOES-NOT-CONTAIN:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_DOES_NOT_CONTAIN</p></td>
<td class="enum_member_description">
<p>'doesNotContain'</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-DERIVED-FROM:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_DERIVED_FROM</p></td>
<td class="enum_member_description">
<p>'derivedFrom'</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GUPNP-SEARCH-CRITERIA-OP-EXISTS:CAPS"></a>GUPNP_SEARCH_CRITERIA_OP_EXISTS</p></td>
<td class="enum_member_description">
<p>'exists'</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="GUPnPSearchCriteriaParser.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GUPnPSearchCriteriaParser-begin-parens"></a><h3>The <code class="literal">“begin-parens”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> *parser,
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>The ::begin_parens signal is emitted to mark the beginning of a
parenthetical expression.</p>
<div class="refsect3">
<a name="GUPnPSearchCriteriaParser-begin-parens.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>parser</p></td>
<td class="parameter_description"><p>The <a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> that received the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: <a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GUPnPSearchCriteriaParser-conjunction"></a><h3>The <code class="literal">“conjunction”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> *parser,
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>The ::conjuction signal is emitted whenever a conjuction marker
(and) is parsed.</p>
<div class="refsect3">
<a name="GUPnPSearchCriteriaParser-conjunction.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>parser</p></td>
<td class="parameter_description"><p>The <a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> that received the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: <a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GUPnPSearchCriteriaParser-disjunction"></a><h3>The <code class="literal">“disjunction”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> *parser,
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>The ::disjuction signal is emitted whenever a disjuction marker
(or&rpar is parsed.</p>
<div class="refsect3">
<a name="GUPnPSearchCriteriaParser-disjunction.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>parser</p></td>
<td class="parameter_description"><p>The <a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> that received the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: <a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GUPnPSearchCriteriaParser-end-parens"></a><h3>The <code class="literal">“end-parens”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> *parser,
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>The ::end_parens signal is emitted to mark the end of a parenthetical
expression.</p>
<div class="refsect3">
<a name="GUPnPSearchCriteriaParser-end-parens.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>parser</p></td>
<td class="parameter_description"><p>The <a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> that received the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: <a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GUPnPSearchCriteriaParser-expression"></a><h3>The <code class="literal">“expression”</code> signal</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
user_function (<a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> *parser,
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *property,
<a class="link" href="GUPnPSearchCriteriaParser.html#GUPnPSearchCriteriaOp" title="enum GUPnPSearchCriteriaOp"><span class="type">GUPnPSearchCriteriaOp</span></a> op,
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *value,
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> error,
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>The ::expression signal is emitted whenever an expression is parsed.
Set <em class="parameter"><code>error</code></em>
and return <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if an error occurred.</p>
<div class="refsect3">
<a name="GUPnPSearchCriteriaParser-expression.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>parser</p></td>
<td class="parameter_description"><p>The <a class="link" href="GUPnPSearchCriteriaParser.html" title="GUPnPSearchCriteriaParser"><span class="type">GUPnPSearchCriteriaParser</span></a> that received the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>property</p></td>
<td class="parameter_description"><p>The property</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>op</p></td>
<td class="parameter_description"><p>The operator as <a class="link" href="GUPnPSearchCriteriaParser.html#GUPnPSearchCriteriaOp" title="enum GUPnPSearchCriteriaOp"><span class="type">GUPnPSearchCriteriaOp</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>The value as string</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>Place-holder for any possible errors from handler</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: <a href="https://developer.gnome.org/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p>
</div>
</div>
</div>
<div class="footer">
<hr>Generated by GTK-Doc V1.25</div>
</body>
</html>