#include "volksdata/buffer.h"
#include "volksdata/namespace.h"

Include dependency graph for term.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	MatchCoord
	Match coordinates in IRI parsing results. More...
struct	VOLK_IRIInfo
	Matching sub-patterns for IRI parts. More...
struct	VOLK_Term
	RDF term. More...
struct	VOLK_Triple
	RDF triple. More...

Macros
#define	UUID4_URN_SIZE UUIDSTR_SIZE + 10
#define	VOLK_RDF_TYPE "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
#define	VOLK_RDF_TYPE_NS "rdf:type"
#define	DEFAULT_DTYPE "http://www.w3.org/2001/XMLSchema#string"
	Default data type for untyped literals (prefixed IRI).
#define	DEFAULT_DTYPE_NS "xsd:string"
#define	VOLK_IS_LITERAL(term)
	Shorthand to test if a term is a literal of any kind.
#define	TERM_DUMMY VOLK_term_new (VOLK_TERM_UNDEFINED, NULL, NULL)
	Placeholder term to use with VOLK_term_reset.
#define	TRP_DUMMY VOLK_triple_new (NULL, NULL, NULL)
	Dummy triple with NULL slots. It is not a valid triple.

Typedefs
typedef char	VOLK_LangTag[8]
	Language tag, currently restricted to 7 characters.
typedef struct link_map	VOLK_LinkMap
	The immediate neighborhood of terms connected to a term.
typedef struct hashmap	VOLK_TermSet
	a set of unique terms.

Enumerations
enum	VOLK_TermType { VOLK_TERM_UNDEFINED = 0 , VOLK_TERM_IRIREF , VOLK_TERM_LITERAL , VOLK_TERM_LT_LITERAL , VOLK_TERM_BNODE }
	Term type. More...
enum	VOLK_LinkType { VOLK_LINK_INBOUND , VOLK_LINK_OUTBOUND , VOLK_LINK_EDGE }
	Link type. More...

Functions
VOLK_Term *	VOLK_term_new (VOLK_TermType type, const char data, void metadata)
	Create a new term.
VOLK_Term *	VOLK_iriref_new (const char *data)
	Create an IRI reference.
VOLK_Term *	VOLK_iriref_new_ns (const char *data)
	Create an IRI reference from a namespace-prefixed string.
VOLK_Term *	VOLK_iriref_new_abs (const VOLK_Term root, const VOLK_Term iri)
	Create a new absolute IRI from a path relative to a root IRI.
VOLK_Term *	VOLK_iriref_new_rel (const VOLK_Term root, const VOLK_Term iri)
	Create a new relative IRI from an absolute IRI and a web root IRI.
VOLK_Term *	VOLK_literal_new (const char data, VOLK_Term datatype)
	Shortcut to create a literal term.
VOLK_rc	VOLK_parse_iri (char iri_str, VOLK_IRIInfo iri_info)
	scan an IRI string and parse IRI parts.
VOLK_Term *	VOLK_lt_literal_new (const char data, char lang)
	Shortcut to create a language-tagged literal term.
VOLK_Term *	VOLK_bnode_new (const char *data)
	Shortcut to create a blank node.
VOLK_Term *	VOLK_term_copy (const VOLK_Term *src)
	Copy a term.
VOLK_Term *	VOLK_term_new_from_buffer (const VOLK_Buffer *sterm)
	Deserialize a buffer into a term.
VOLK_Buffer *	VOLK_term_serialize (const VOLK_Term *term)
	Serialize a term into a buffer.
VOLK_Key	VOLK_term_hash (const VOLK_Term *term)
	Hash a buffer.
bool	VOLK_term_equals (const VOLK_Term term1, const VOLK_Term term2)
	Compare two terms.
void	VOLK_term_free (VOLK_Term *term)
char *	VOLK_iriref_prefix (const VOLK_Term *iri)
	Get the prefix portion of a IRI ref.
char *	VOLK_iriref_path (const VOLK_Term *iri)
	Get the path portion of a IRI ref.
char *	VOLK_iriref_frag (const VOLK_Term *iri)
	Get the fragment portion of a IRI ref.
VOLK_Triple *	VOLK_triple_new (VOLK_Term s, VOLK_Term p, VOLK_Term *o)
	Create a new triple from three terms.
VOLK_Triple *	VOLK_triple_new_from_btriple (const VOLK_BufferTriple *sspo)
VOLK_BufferTriple *	VOLK_triple_serialize (const VOLK_Triple *spo)
VOLK_rc	VOLK_triple_init (VOLK_Triple spo, VOLK_Term s, VOLK_Term p, VOLK_Term o)
	Initialize internal term pointers in a heap-allocated triple.
void	VOLK_triple_done (VOLK_Triple *spo)
	Free the internal pointers of a triple.
void	VOLK_triple_free (VOLK_Triple *spo)
	Free a triple and all its internal pointers.
VOLK_Term *	VOLK_triple_pos (const VOLK_Triple *trp, const VOLK_TriplePos n)
	Get triple by term position.
VOLK_Key	VOLK_triple_hash (const VOLK_Triple *trp)
	Hash a triple.
VOLK_TermSet *	VOLK_term_set_new (void)
	Create a new term set.
void	VOLK_term_set_free (VOLK_TermSet *ts)
	Free a term set.
VOLK_rc	VOLK_term_set_add (VOLK_TermSet ts, VOLK_Term term, VOLK_Term **existing)
	Add term to a term set.
const VOLK_Term *	VOLK_term_set_get (VOLK_TermSet *ts, VOLK_Key key)
	Get a term from a term set.
VOLK_rc	VOLK_term_set_next (VOLK_TermSet ts, size_t i, VOLK_Term **term)
	Iterate trough a term set.
size_t	VOLK_term_set_size (VOLK_TermSet *ts)
	Size of a term set.
VOLK_LinkMap *	VOLK_link_map_new (const VOLK_Term *linked_term, VOLK_LinkType type)
	New link map.
void	VOLK_link_map_free (VOLK_LinkMap *lm)
	Free a link map.
VOLK_LinkType	VOLK_link_map_type (const VOLK_LinkMap *map)
	Return the link map type.
VOLK_rc	VOLK_link_map_add (VOLK_LinkMap lmap, VOLK_Term term, VOLK_TermSet *tset)
	Add a term - term set pair to a link map.
VOLK_LinkMapIterator *	VOLK_link_map_iter_new (const VOLK_LinkMap *lmap)
	Create a new iterator to loop through a link map.
VOLK_rc	VOLK_link_map_next (VOLK_LinkMapIterator it, VOLK_Term lt, VOLK_TermSet *ts)
	Iterate through a link map.
void	VOLK_link_map_iter_free (VOLK_LinkMapIterator *it)
	Free a link map iterator.
VOLK_rc	VOLK_link_map_triples (VOLK_LinkMapIterator it, VOLK_Triple spo)
	Iterate over a link map and generate triples.

Variables
uint32_t	VOLK_default_dtype_key
	Compiled hash of default literal data type.
VOLK_Term *	VOLK_default_datatype
	Default literal data type URI.
VOLK_TermSet *	VOLK_term_cache
	Global term cache.
VOLK_Term *	VOLK_default_ctx
	Default context.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables