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<refentry id="redland-parser">
<refmeta>
<refentrytitle role="top_of_page">Parsers</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>REDLAND Library</refmiscinfo>
</refmeta>
<refnamediv>
<refname>Parsers</refname>
<refpurpose>RDF parsers from syntax to triples.</refpurpose>
<!--[<xref linkend="desc" endterm="desc.title"/>]-->
</refnamediv>
<refsynopsisdiv role="synopsis">
<title role="synopsis.title">Synopsis</title>
<synopsis>
typedef <link linkend="librdf-parser">librdf_parser</link>;
typedef <link linkend="librdf-parser-factory">librdf_parser_factory</link>;
<link linkend="int">int</link> <link linkend="librdf-parser-enumerate">librdf_parser_enumerate</link> (<link linkend="librdf-world">librdf_world</link> *world,
unsigned <link linkend="int">int</link> counter,
const <link linkend="char">char</link> **name,
const <link linkend="char">char</link> **label);
<link linkend="void">void</link> <link linkend="librdf-parser-register-factory">librdf_parser_register_factory</link> (<link linkend="librdf-world">librdf_world</link> *world,
const <link linkend="char">char</link> *name,
const <link linkend="char">char</link> *label,
const <link linkend="char">char</link> *mime_type,
unsigned <link linkend="char">char</link> *uri_string,
<link linkend="void">void</link> (*factory) (librdf_parser_factory*));
<link linkend="librdf-parser">librdf_parser</link>* <link linkend="librdf-new-parser">librdf_new_parser</link> (<link linkend="librdf-world">librdf_world</link> *world,
const <link linkend="char">char</link> *name,
const <link linkend="char">char</link> *mime_type,
<link linkend="librdf-uri">librdf_uri</link> *type_uri);
<link linkend="librdf-parser">librdf_parser</link>* <link linkend="librdf-new-parser-from-factory">librdf_new_parser_from_factory</link>
(<link linkend="librdf-world">librdf_world</link> *world,
<link linkend="librdf-parser-factory">librdf_parser_factory</link> *factory);
<link linkend="void">void</link> <link linkend="librdf-free-parser">librdf_free_parser</link> (<link linkend="librdf-parser">librdf_parser</link> *parser);
<link linkend="librdf-stream">librdf_stream</link>* <link linkend="librdf-parser-parse-as-stream">librdf_parser_parse_as_stream</link>
(<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="librdf-uri">librdf_uri</link> *uri,
<link linkend="librdf-uri">librdf_uri</link> *base_uri);
<link linkend="int">int</link> <link linkend="librdf-parser-parse-into-model">librdf_parser_parse_into_model</link> (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="librdf-uri">librdf_uri</link> *uri,
<link linkend="librdf-uri">librdf_uri</link> *base_uri,
<link linkend="librdf-model">librdf_model</link> *model);
<link linkend="librdf-stream">librdf_stream</link>* <link linkend="librdf-parser-parse-string-as-stream">librdf_parser_parse_string_as_stream</link>
(<link linkend="librdf-parser">librdf_parser</link> *parser,
unsigned <link linkend="char">char</link> *string,
<link linkend="librdf-uri">librdf_uri</link> *base_uri);
<link linkend="int">int</link> <link linkend="librdf-parser-parse-string-into-model">librdf_parser_parse_string_into_model</link>
(<link linkend="librdf-parser">librdf_parser</link> *parser,
unsigned <link linkend="char">char</link> *string,
<link linkend="librdf-uri">librdf_uri</link> *base_uri,
<link linkend="librdf-model">librdf_model</link> *model);
<link linkend="void">void</link> <link linkend="librdf-parser-set-error">librdf_parser_set_error</link> (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="void">void</link> *user_data,
<link linkend="void">void</link> (*error_fn) (void *user_data, const char *msg, ...));
<link linkend="void">void</link> <link linkend="librdf-parser-set-warning">librdf_parser_set_warning</link> (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="void">void</link> *user_data,
<link linkend="void">void</link> (*warning_fn) (void *user_data, const char *msg, ...));
<link linkend="librdf-stream">librdf_stream</link>* <link linkend="librdf-parser-parse-counted-string-as-stream">librdf_parser_parse_counted_string_as_stream</link>
(<link linkend="librdf-parser">librdf_parser</link> *parser,
unsigned <link linkend="char">char</link> *string,
<link linkend="size-t">size_t</link> length,
<link linkend="librdf-uri">librdf_uri</link> *base_uri);
<link linkend="int">int</link> <link linkend="librdf-parser-parse-counted-string-into-model">librdf_parser_parse_counted_string_into_model</link>
(<link linkend="librdf-parser">librdf_parser</link> *parser,
unsigned <link linkend="char">char</link> *string,
<link linkend="size-t">size_t</link> length,
<link linkend="librdf-uri">librdf_uri</link> *base_uri,
<link linkend="librdf-model">librdf_model</link> *model);
#define <link linkend="LIBRDF-PARSER-FEATURE-ERROR-COUNT:CAPS">LIBRDF_PARSER_FEATURE_ERROR_COUNT</link>
#define <link linkend="LIBRDF-PARSER-FEATURE-WARNING-COUNT:CAPS">LIBRDF_PARSER_FEATURE_WARNING_COUNT</link>
<link linkend="librdf-node">librdf_node</link>* <link linkend="librdf-parser-get-feature">librdf_parser_get_feature</link> (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="librdf-uri">librdf_uri</link> *feature);
<link linkend="int">int</link> <link linkend="librdf-parser-set-feature">librdf_parser_set_feature</link> (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="librdf-uri">librdf_uri</link> *feature,
<link linkend="librdf-node">librdf_node</link> *value);
<link linkend="char">char</link>* <link linkend="librdf-parser-get-accept-header">librdf_parser_get_accept_header</link> (<link linkend="librdf-parser">librdf_parser</link> *parser);
</synopsis>
</refsynopsisdiv>
<refsect1 role="desc">
<title role="desc.title">Description</title>
<para>
Provides classes to create parsers and parse syntaxes from URIs or a
string into RDF graphs (<link linkend="librdf-model"><type>librdf_model</type></link>) or sequences of triples
(<link linkend="librdf-stream"><type>librdf_stream</type></link>). Parser features can be set, which are passed down
to Raptor and errors and warnings that are returned can be retrieved
by callbacks.
</para>
</refsect1>
<refsect1 role="details">
<title role="details.title">Details</title>
<refsect2>
<title><anchor id="librdf-parser" role="typedef"/>librdf_parser</title>
<indexterm><primary>librdf_parser</primary></indexterm><programlisting>typedef struct librdf_parser_s librdf_parser;
</programlisting>
<para>
Redland parser class.</para>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="librdf-parser-factory" role="typedef"/>librdf_parser_factory</title>
<indexterm><primary>librdf_parser_factory</primary></indexterm><programlisting>typedef struct librdf_parser_factory_s librdf_parser_factory;
</programlisting>
<para>
Redland parser factory class.</para>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="librdf-parser-enumerate" role="function"/>librdf_parser_enumerate ()</title>
<indexterm><primary>librdf_parser_enumerate</primary></indexterm><programlisting><link linkend="int">int</link> librdf_parser_enumerate (<link linkend="librdf-world">librdf_world</link> *world,
unsigned <link linkend="int">int</link> counter,
const <link linkend="char">char</link> **name,
const <link linkend="char">char</link> **label);</programlisting>
<para>
Get information on parsers.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>world</parameter> :</term>
<listitem><simpara> redland world object
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>counter</parameter> :</term>
<listitem><simpara> index into the list of parsers
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>name</parameter> :</term>
<listitem><simpara> pointer to store the name of the parser (or NULL)
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>label</parameter> :</term>
<listitem><simpara> pointer to store syntax readable label (or NULL)
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> non 0 on failure of if counter is out of range
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-register-factory" role="function"/>librdf_parser_register_factory ()</title>
<indexterm><primary>librdf_parser_register_factory</primary></indexterm><programlisting><link linkend="void">void</link> librdf_parser_register_factory (<link linkend="librdf-world">librdf_world</link> *world,
const <link linkend="char">char</link> *name,
const <link linkend="char">char</link> *label,
const <link linkend="char">char</link> *mime_type,
unsigned <link linkend="char">char</link> *uri_string,
<link linkend="void">void</link> (*factory) (librdf_parser_factory*));</programlisting>
<para>
Register a parser factory .</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>world</parameter> :</term>
<listitem><simpara> redland world object
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>name</parameter> :</term>
<listitem><simpara> the name of the parser
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>label</parameter> :</term>
<listitem><simpara> the label of the parser (optional)
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>mime_type</parameter> :</term>
<listitem><simpara> MIME type of the syntax (optional)
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>uri_string</parameter> :</term>
<listitem><simpara> URI of the syntax (optional)
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>factory</parameter> :</term>
<listitem><simpara> function to be called to register the factor parameters
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-new-parser" role="function"/>librdf_new_parser ()</title>
<indexterm><primary>librdf_new_parser</primary></indexterm><programlisting><link linkend="librdf-parser">librdf_parser</link>* librdf_new_parser (<link linkend="librdf-world">librdf_world</link> *world,
const <link linkend="char">char</link> *name,
const <link linkend="char">char</link> *mime_type,
<link linkend="librdf-uri">librdf_uri</link> *type_uri);</programlisting>
<para>
Constructor - create a new <link linkend="librdf-parser"><type>librdf_parser</type></link> object.
</para>
<para>
If all fields are NULL, this means any parser supporting
MIME Type "application/rdf+xml"</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>world</parameter> :</term>
<listitem><simpara> redland world object
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>name</parameter> :</term>
<listitem><simpara> the parser factory name
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>mime_type</parameter> :</term>
<listitem><simpara> the MIME type of the syntax (NULL if not used)
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>type_uri</parameter> :</term>
<listitem><simpara> URI of syntax (NULL if not used)
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> new <link linkend="librdf-parser"><type>librdf_parser</type></link> object or NULL
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-new-parser-from-factory" role="function"/>librdf_new_parser_from_factory ()</title>
<indexterm><primary>librdf_new_parser_from_factory</primary></indexterm><programlisting><link linkend="librdf-parser">librdf_parser</link>* librdf_new_parser_from_factory
(<link linkend="librdf-world">librdf_world</link> *world,
<link linkend="librdf-parser-factory">librdf_parser_factory</link> *factory);</programlisting>
<para>
Constructor - create a new <link linkend="librdf-parser"><type>librdf_parser</type></link> object.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>world</parameter> :</term>
<listitem><simpara> redland world object
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>factory</parameter> :</term>
<listitem><simpara> the parser factory to use to create this parser
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> new <link linkend="librdf-parser"><type>librdf_parser</type></link> object or NULL
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-free-parser" role="function"/>librdf_free_parser ()</title>
<indexterm><primary>librdf_free_parser</primary></indexterm><programlisting><link linkend="void">void</link> librdf_free_parser (<link linkend="librdf-parser">librdf_parser</link> *parser);</programlisting>
<para>
Destructor - destroys a <link linkend="librdf-parser"><type>librdf_parser</type></link> object.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> the parser
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-parse-as-stream" role="function"/>librdf_parser_parse_as_stream ()</title>
<indexterm><primary>librdf_parser_parse_as_stream</primary></indexterm><programlisting><link linkend="librdf-stream">librdf_stream</link>* librdf_parser_parse_as_stream
(<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="librdf-uri">librdf_uri</link> *uri,
<link linkend="librdf-uri">librdf_uri</link> *base_uri);</programlisting>
<para>
Parse a URI to a librdf_stream of statements.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> the parser
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>uri</parameter> :</term>
<listitem><simpara> the URI to read
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>base_uri</parameter> :</term>
<listitem><simpara> the base URI to use or NULL
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> <link linkend="librdf-stream"><type>librdf_stream</type></link> of statements or NULL
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-parse-into-model" role="function"/>librdf_parser_parse_into_model ()</title>
<indexterm><primary>librdf_parser_parse_into_model</primary></indexterm><programlisting><link linkend="int">int</link> librdf_parser_parse_into_model (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="librdf-uri">librdf_uri</link> *uri,
<link linkend="librdf-uri">librdf_uri</link> *base_uri,
<link linkend="librdf-model">librdf_model</link> *model);</programlisting>
<para>
Parse a URI of content into an librdf_model.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> the parser
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>uri</parameter> :</term>
<listitem><simpara> the URI to read the content
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>base_uri</parameter> :</term>
<listitem><simpara> the base URI to use or NULL
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>model</parameter> :</term>
<listitem><simpara> the model to use
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> non 0 on failure
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-parse-string-as-stream" role="function"/>librdf_parser_parse_string_as_stream ()</title>
<indexterm><primary>librdf_parser_parse_string_as_stream</primary></indexterm><programlisting><link linkend="librdf-stream">librdf_stream</link>* librdf_parser_parse_string_as_stream
(<link linkend="librdf-parser">librdf_parser</link> *parser,
unsigned <link linkend="char">char</link> *string,
<link linkend="librdf-uri">librdf_uri</link> *base_uri);</programlisting>
<para>
Parse a string of content to a librdf_stream of statements.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> the parser
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>string</parameter> :</term>
<listitem><simpara> the string to parse
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>base_uri</parameter> :</term>
<listitem><simpara> the base URI to use or NULL
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> <link linkend="librdf-stream"><type>librdf_stream</type></link> of statements or NULL
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-parse-string-into-model" role="function"/>librdf_parser_parse_string_into_model ()</title>
<indexterm><primary>librdf_parser_parse_string_into_model</primary></indexterm><programlisting><link linkend="int">int</link> librdf_parser_parse_string_into_model
(<link linkend="librdf-parser">librdf_parser</link> *parser,
unsigned <link linkend="char">char</link> *string,
<link linkend="librdf-uri">librdf_uri</link> *base_uri,
<link linkend="librdf-model">librdf_model</link> *model);</programlisting>
<para>
Parse a string of content into an librdf_model.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> the parser
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>string</parameter> :</term>
<listitem><simpara> the content to parse
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>base_uri</parameter> :</term>
<listitem><simpara> the base URI to use or NULL
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>model</parameter> :</term>
<listitem><simpara> the model to use
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> non 0 on failure
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-set-error" role="function"/>librdf_parser_set_error ()</title>
<indexterm><primary>librdf_parser_set_error</primary></indexterm><programlisting><link linkend="void">void</link> librdf_parser_set_error (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="void">void</link> *user_data,
<link linkend="void">void</link> (*error_fn) (void *user_data, const char *msg, ...));</programlisting>
<para>
<parameter>Deprecated</parameter>: Does nothing
</para>
<para>
Set the parser error handling function.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> the parser
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>user_data</parameter> :</term>
<listitem><simpara> user data to pass to function
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>error_fn</parameter> :</term>
<listitem><simpara> pointer to the function
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-set-warning" role="function"/>librdf_parser_set_warning ()</title>
<indexterm><primary>librdf_parser_set_warning</primary></indexterm><programlisting><link linkend="void">void</link> librdf_parser_set_warning (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="void">void</link> *user_data,
<link linkend="void">void</link> (*warning_fn) (void *user_data, const char *msg, ...));</programlisting>
<para>
<parameter>Deprecated</parameter>: Does nothing.
</para>
<para>
Set the parser warning handling function.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> the parser
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>user_data</parameter> :</term>
<listitem><simpara> user data to pass to function
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>warning_fn</parameter> :</term>
<listitem><simpara> pointer to the function
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-parse-counted-string-as-stream" role="function"/>librdf_parser_parse_counted_string_as_stream ()</title>
<indexterm><primary>librdf_parser_parse_counted_string_as_stream</primary></indexterm><programlisting><link linkend="librdf-stream">librdf_stream</link>* librdf_parser_parse_counted_string_as_stream
(<link linkend="librdf-parser">librdf_parser</link> *parser,
unsigned <link linkend="char">char</link> *string,
<link linkend="size-t">size_t</link> length,
<link linkend="librdf-uri">librdf_uri</link> *base_uri);</programlisting>
<para>
Parse a counted string of content to a librdf_stream of statements.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> the parser
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>string</parameter> :</term>
<listitem><simpara> the string to parse
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>length</parameter> :</term>
<listitem><simpara> length of the string content (must be >0)
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>base_uri</parameter> :</term>
<listitem><simpara> the base URI to use or NULL
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> <link linkend="librdf-stream"><type>librdf_stream</type></link> of statements or NULL
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-parse-counted-string-into-model" role="function"/>librdf_parser_parse_counted_string_into_model ()</title>
<indexterm><primary>librdf_parser_parse_counted_string_into_model</primary></indexterm><programlisting><link linkend="int">int</link> librdf_parser_parse_counted_string_into_model
(<link linkend="librdf-parser">librdf_parser</link> *parser,
unsigned <link linkend="char">char</link> *string,
<link linkend="size-t">size_t</link> length,
<link linkend="librdf-uri">librdf_uri</link> *base_uri,
<link linkend="librdf-model">librdf_model</link> *model);</programlisting>
<para>
Parse a counted string of content into an librdf_model.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> the parser
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>string</parameter> :</term>
<listitem><simpara> the content to parse
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>length</parameter> :</term>
<listitem><simpara> length of content (must be >0)
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>base_uri</parameter> :</term>
<listitem><simpara> the base URI to use or NULL
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>model</parameter> :</term>
<listitem><simpara> the model to use
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> non 0 on failure
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="LIBRDF-PARSER-FEATURE-ERROR-COUNT:CAPS" role="macro"/>LIBRDF_PARSER_FEATURE_ERROR_COUNT</title>
<indexterm><primary>LIBRDF_PARSER_FEATURE_ERROR_COUNT</primary></indexterm><programlisting>#define LIBRDF_PARSER_FEATURE_ERROR_COUNT "http://feature.librdf.org/parser-error-count"
</programlisting>
<para>
Parser feature URI string for getting the error count of the last parse.</para>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="LIBRDF-PARSER-FEATURE-WARNING-COUNT:CAPS" role="macro"/>LIBRDF_PARSER_FEATURE_WARNING_COUNT</title>
<indexterm><primary>LIBRDF_PARSER_FEATURE_WARNING_COUNT</primary></indexterm><programlisting>#define LIBRDF_PARSER_FEATURE_WARNING_COUNT "http://feature.librdf.org/parser-warning-count"
</programlisting>
<para>
Parser feature URI string for getting the warning count of the last parse.</para>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="librdf-parser-get-feature" role="function"/>librdf_parser_get_feature ()</title>
<indexterm><primary>librdf_parser_get_feature</primary></indexterm><programlisting><link linkend="librdf-node">librdf_node</link>* librdf_parser_get_feature (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="librdf-uri">librdf_uri</link> *feature);</programlisting>
<para>
Get the value of a parser feature.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> <link linkend="librdf-parser"><type>librdf_parser</type></link> object
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>feature</parameter> :</term>
<listitem><simpara> <link linkend="librdf-Uuri"><type>librdf_Uuri</type></link> feature property
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> new <link linkend="librdf-node"><type>librdf_node</type></link> feature value or NULL if no such feature
exists or the value is empty.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-set-feature" role="function"/>librdf_parser_set_feature ()</title>
<indexterm><primary>librdf_parser_set_feature</primary></indexterm><programlisting><link linkend="int">int</link> librdf_parser_set_feature (<link linkend="librdf-parser">librdf_parser</link> *parser,
<link linkend="librdf-uri">librdf_uri</link> *feature,
<link linkend="librdf-node">librdf_node</link> *value);</programlisting>
<para>
Set the value of a parser feature.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> <link linkend="librdf-parser"><type>librdf_parser</type></link> object
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>feature</parameter> :</term>
<listitem><simpara> <link linkend="librdf-uri"><type>librdf_uri</type></link> feature property
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>value</parameter> :</term>
<listitem><simpara> <link linkend="librdf-node"><type>librdf_node</type></link> feature property value
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> non 0 on failure (negative if no such feature)
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="librdf-parser-get-accept-header" role="function"/>librdf_parser_get_accept_header ()</title>
<indexterm><primary>librdf_parser_get_accept_header</primary></indexterm><programlisting><link linkend="char">char</link>* librdf_parser_get_accept_header (<link linkend="librdf-parser">librdf_parser</link> *parser);</programlisting>
<para>
Get an HTTP Accept value for the parser.
</para>
<para>
The returned string must be freed by the caller such as with
<link linkend="raptor-free-memory"><function>raptor_free_memory()</function></link>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>parser</parameter> :</term>
<listitem><simpara> parser
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> a new Accept: header string or NULL on failure
</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
</refentry>