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Raptor RDF Parsing Library Manual | ![]() |
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FeaturesFeatures — Parser and Serializer features |
enum raptor_feature; int raptor_features_enumerate (const raptor_feature feature, const char **name, raptor_uri **uri, const char **label); raptor_feature raptor_feature_from_uri (raptor_uri *uri); int raptor_feature_value_type (const raptor_feature feature);
Optional parameters for raptor_parser and raptor_serializer objects that can be get and set. Utility functions also exist to enumerate them, their description and the parameter type taken.
typedef enum { RAPTOR_FEATURE_SCANNING, RAPTOR_FEATURE_ASSUME_IS_RDF, RAPTOR_FEATURE_ALLOW_NON_NS_ATTRIBUTES, RAPTOR_FEATURE_ALLOW_OTHER_PARSETYPES, RAPTOR_FEATURE_ALLOW_BAGID, RAPTOR_FEATURE_ALLOW_RDF_TYPE_RDF_LIST, RAPTOR_FEATURE_NORMALIZE_LANGUAGE, RAPTOR_FEATURE_NON_NFC_FATAL, RAPTOR_FEATURE_WARN_OTHER_PARSETYPES, RAPTOR_FEATURE_CHECK_RDF_ID, RAPTOR_FEATURE_RELATIVE_URIS, RAPTOR_FEATURE_START_URI, RAPTOR_FEATURE_WRITER_AUTO_INDENT, RAPTOR_FEATURE_WRITER_AUTO_EMPTY, RAPTOR_FEATURE_WRITER_INDENT_WIDTH, RAPTOR_FEATURE_WRITER_XML_VERSION, RAPTOR_FEATURE_WRITER_XML_DECLARATION, RAPTOR_FEATURE_LAST=RAPTOR_FEATURE_WRITER_XML_DECLARATION } raptor_feature;
Raptor parser, serializer or XML writer features.
RAPTOR_FEATURE_SCANNING |
If true (default false), the RDF/XML parser will look for embedded rdf:RDF elements inside the XML content, and not require that the XML start with an rdf:RDF root element. |
RAPTOR_FEATURE_ASSUME_IS_RDF |
If true (default false) then the RDF/XML parser will assume the content is RDF/XML, not require that rdf:RDF root element, and immediately interpret the content as RDF/XML. |
RAPTOR_FEATURE_ALLOW_NON_NS_ATTRIBUTES |
If true (default true) then the RDF/XML parser will allow non-XML namespaced attributes to be accepted as well as rdf: namespaced ones. For example, 'about' and 'ID' will be interpreted as if they were rdf:about and rdf:ID respectively. |
RAPTOR_FEATURE_ALLOW_OTHER_PARSETYPES |
If true (default true) then the RDF/XML parser will allow unknown parsetypes to be present and will pass them on to the user. Unimplemented at present. |
RAPTOR_FEATURE_ALLOW_BAGID |
If true (default true) then the RDF/XML parser will support the rdf:bagID attribute that was removed from the RDF/XML language when it was revised. This support may be removed in future. |
RAPTOR_FEATURE_ALLOW_RDF_TYPE_RDF_LIST |
If true (default false) then the RDF/XML parser will generate the idList rdf:type rdf:List triple in the handling of rdf:parseType="Collection". This triple was removed during the revising of RDF/XML after collections were initially added. |
RAPTOR_FEATURE_NORMALIZE_LANGUAGE |
If true (default true) then XML language values such as from xml:lang will be normalized to lowercase. |
RAPTOR_FEATURE_NON_NFC_FATAL |
If true (default false) then illegal Unicode Normal Form C in literals will give a fatal error, otherwise just a warning. |
RAPTOR_FEATURE_WARN_OTHER_PARSETYPES |
If true (default true) then the RDF/XML parser will warn about unknown rdf:parseType values. |
RAPTOR_FEATURE_CHECK_RDF_ID |
If true (default true) then the RDF/XML will check rdf:ID attribute values for duplicates and cause an error if any are found. |
RAPTOR_FEATURE_RELATIVE_URIS |
If true (default true) then relative URIs will be used wherever possible when serializing. |
RAPTOR_FEATURE_START_URI |
Set the start URI for serlalizing to use. |
RAPTOR_FEATURE_WRITER_AUTO_INDENT |
Automatically indent elements when seriailizing. |
RAPTOR_FEATURE_WRITER_AUTO_EMPTY |
Automatically detect and abbreviate empty elements when serializing. |
RAPTOR_FEATURE_WRITER_INDENT_WIDTH |
Integer number of spaces to use for each indent level when serializing with auto indent. |
RAPTOR_FEATURE_WRITER_XML_VERSION |
Integer XML version XML 1.0 (10) or XML 1.1 (11) |
RAPTOR_FEATURE_WRITER_XML_DECLARATION |
Write XML 1.0 or 1.1 declaration. |
RAPTOR_FEATURE_LAST |
Internal |
int raptor_features_enumerate (const raptor_feature feature, const char **name, raptor_uri **uri, const char **label);
Get list of syntax features.
If uri is not NULL, a pointer toa new raptor_uri is returned
that must be freed by the caller with raptor_free_uri()
.
feature : |
feature enumeration (0+) |
name : |
pointer to store feature short name (or NULL) |
uri : |
pointer to store feature URI (or NULL) |
label : |
pointer to feature label (or NULL) |
Returns : | 0 on success, <0 on failure, >0 if feature is unknown |
raptor_feature raptor_feature_from_uri (raptor_uri *uri);
Turn a feature URI into an feature enum.
The allowed feature URIs are available via raptor_features_enumerate()
.
uri : |
feature URI |
Returns : | < 0 if the feature is unknown |
int raptor_feature_value_type (const raptor_feature feature);
Get the type of a features.
The type of the feature
is 0=integer , 1=string. Other values are
undefined. Most features are integer values and use
raptor_set_feature and raptor_get_feature()
( raptor_serializer_set_feature raptor_serializer_get_feature()
)
String value features use raptor_parser_set_feature_string()
and
raptor_parser_get_feature_string()
( raptor_serializer_set_feature_string()
and raptor_serializer_get_feature_string()
)
feature : |
raptor serializer or parser feature |
Returns : | the type of the feature or <0 if feature is unknown
|
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