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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:40:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:40:05 +0000 |
| commit | 4038ab95a094b363f1748f3dcb51511a1217475d (patch) | |
| tree | 7f393d66a783f91ddd263c78d681e485cf4f45ca /docs/html/tutorial-querying-functionality.html | |
| parent | Initial commit. (diff) | |
| download | raptor2-8a74621eb7909f43a549b042a496e042ad12fdcb.tar.xz raptor2-8a74621eb7909f43a549b042a496e042ad12fdcb.zip | |
Adding upstream version 2.0.16.upstream/2.0.16upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/html/tutorial-querying-functionality.html')
| -rw-r--r-- | docs/html/tutorial-querying-functionality.html | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/docs/html/tutorial-querying-functionality.html b/docs/html/tutorial-querying-functionality.html new file mode 100644 index 0000000..70932eb --- /dev/null +++ b/docs/html/tutorial-querying-functionality.html @@ -0,0 +1,112 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>Listing built-in functionality: Raptor RDF Syntax Library Manual</title> +<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"> +<link rel="home" href="index.html" title="Raptor RDF Syntax Library Manual"> +<link rel="up" href="tutorial.html" title="Part I. Raptor Tutorial"> +<link rel="prev" href="tutorial-initialising-finishing.html" title="Initialising and Finishing using the Library"> +<link rel="next" href="tutorial-parsing.html" title="Parsing syntaxes to RDF Triples"> +<meta name="generator" content="GTK-Doc V1.33.1 (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"></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="tutorial.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> +<td><a accesskey="p" href="tutorial-initialising-finishing.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> +<td><a accesskey="n" href="tutorial-parsing.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> +</tr></table> +<div class="chapter"> +<div class="titlepage"><div><div><h2 class="title"> +<a name="tutorial-querying-functionality"></a>Listing built-in functionality</h2></div></div></div> +<p> +Raptor can be configured and compiled with support for different +lists of parsers and serializers. The list built into the +library can be found by means of +<span class="emphasis"><em>description</em></span> functions. These take as input an +<code class="literal">int</code> counter and return descriptions of the object +at that offset in the list. The return value is a pointer to a +shared, read-only description of the object, or NULL if the counter +has gone too far into the list. +</p> +<div class="variablelist"> +<p class="title"><b>Listing Functionality with Descriptions</b></p> +<table border="0" class="variablelist"> +<colgroup> +<col align="left" valign="top"> +<col> +</colgroup> +<tbody> +<tr> +<td><p><span class="term">Get descriptions of the parser syntaxes</span></p></td> +<td><pre class="programlisting"> + const raptor_syntax_description* + raptor_world_get_parser_description(raptor_world* world, + unsigned int counter); +</pre></td> +</tr> +<tr> +<td><p><span class="term">Get descriptions of the serializer syntaxes</span></p></td> +<td><pre class="programlisting"> + const raptor_syntax_description* + raptor_world_get_serializer_description(raptor_world* world, + unsigned int counter); +</pre></td> +</tr> +<tr> +<td><p><span class="term">Get descriptions of options</span></p></td> +<td> +<pre class="programlisting"> + raptor_option_description* + raptor_world_get_option_description(raptor_world* world, + const raptor_domain domain, + const raptor_option option); +</pre> +<p> +Call with the appropriate domains for the class such as +<a class="link" href="raptor2-section-general.html#RAPTOR-DOMAIN-PARSER:CAPS"><code class="literal">RAPTOR_DOMAIN_PARSER</code></a>, +<a class="link" href="raptor2-section-general.html#RAPTOR-DOMAIN-SERIALIZER:CAPS"><code class="literal">RAPTOR_DOMAIN_SERIALIZER</code></a> + etc. See the +<a class="link" href="raptor2-section-general.html#raptor-domain" title="enum raptor_domain"><code class="literal">raptor_domain</code></a> +description for the full list. +</p> +</td> +</tr> +</tbody> +</table> +</div> +<p>These functions can be called directly after creating a +raptor world object with +<a class="link" href="raptor2-section-world.html#raptor-new-world" title="raptor_new_world"><code class="function">raptor_new_world()</code></a>. +This is one way to find a parser (name) by it's MIME Type, the other +is to use the mime_type parameter of the +<a class="link" href="raptor2-section-parser.html#raptor-new-parser-for-content" title="raptor_new_parser_for_content ()"><code class="function">raptor_new_parser_for_content()</code></a>.</p> +<div class="example"> +<a name="raptor-example-list-all-parser-options"></a><p class="title"><b>Example 1. List all parser options using option description</b></p> +<div class="example-contents"> +<pre class="programlisting"> + unsigned int i; + for(i = 0; i < raptor_option_get_count(); i++) { + raptor_option_description* od; + + od = raptor_world_get_option_description(world, RAPTOR_DOMAIN_PARSER, i); + + if(od) { + /* do something with od fields such as od->name, od->label */ + } + } +</pre> +<p>There are more examples of this usage in the source for the +<code class="literal">rapper</code> utility in <code class="filename">util/rapper.c</code>. +</p> +</div> +</div> +<br class="example-break"> +</div> +<div class="footer"> +<hr>Generated by GTK-Doc V1.33.1</div> +</body> +</html>
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