diff options
Diffstat (limited to 'serd/serd.h')
| -rw-r--r-- | serd/serd.h | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/serd/serd.h b/serd/serd.h index 977c9e51..277096fe 100644 --- a/serd/serd.h +++ b/serd/serd.h @@ -109,17 +109,30 @@ typedef enum { } SerdSyntax; /** + Flags indication inline abbreviation information for a statement. +*/ +typedef enum { + SERD_EMPTY_S = 1 << 1, /**< Empty blank node subject */ + SERD_EMPTY_O = 1 << 2, /**< Empty blank node object */ + SERD_ANON_S_BEGIN = 1 << 3, /**< Start of anonymous subject */ + SERD_ANON_O_BEGIN = 1 << 4, /**< Start of anonymous object */ + SERD_ANON_CONT = 1 << 5, /**< Continuation of anonymous node */ + SERD_ANON_END = 1 << 6, /**< End of anonymous subject */ +} SerdStatementFlag; + +/** + Bitwise OR of SerdNodeFlag values. +*/ +typedef uint32_t SerdStatementFlags; + +/** Type of a syntactic RDF node. This is more precise than the type of an abstract RDF node. An abstract node is either a resource, literal, or blank. In syntax there are two ways to refer to a resource (by URI or CURIE) and two ways to refer to a blank - (by ID or anonymously). - - Serd represents a node as a string "value" associated with a @ref SerdType, - which is precise enough to support streaming abbreviation. If abbreviation - is not applicable, @ref SERD_ANON_BEGIN and @ref SERD_ANON may simply be - considered equivalent to @ref SERD_BLANK_ID. + (by ID or anonymously). Anonymous (inline) blank nodes are expressed using + SerdStatementFlags rather than this type. */ typedef enum { /** @@ -156,30 +169,15 @@ typedef enum { SERD_CURIE = 3, /** - A blank node ID. + A blank node. Value is a blank node ID, e.g. "id3", which is meaningful only within this serialisation. @see <a href="http://www.w3.org/TeamSubmission/turtle#nodeID">Turtle <tt>nodeID</tt></a> */ - SERD_BLANK_ID = 4, - - /** - The first reference to an anonymous (inlined) blank node. - - Value is identical to a @ref SERD_BLANK_ID value (i.e. this type may be - safely considered equivalent to @ref SERD_BLANK_ID). - */ - SERD_ANON_BEGIN = 5, - - /** - An anonymous blank node. + SERD_BLANK = 4, - Value is identical to a @ref SERD_BLANK_ID value (i.e. this type may be - safely considered equivalent to @ref SERD_BLANK_ID). - */ - SERD_ANON = 6 } SerdType; /** @@ -399,13 +397,14 @@ typedef SerdStatus (*SerdPrefixSink)(void* handle, Called for every RDF statement in the serialisation. */ -typedef SerdStatus (*SerdStatementSink)(void* handle, - const SerdNode* graph, - const SerdNode* subject, - const SerdNode* predicate, - const SerdNode* object, - const SerdNode* object_datatype, - const SerdNode* object_lang); +typedef SerdStatus (*SerdStatementSink)(void* handle, + SerdStatementFlags flags, + const SerdNode* graph, + const SerdNode* subject, + const SerdNode* predicate, + const SerdNode* object, + const SerdNode* object_datatype, + const SerdNode* object_lang); /** Sink (callback) for anonymous node end markers. @@ -632,13 +631,14 @@ serd_writer_set_prefix(SerdWriter* writer, */ SERD_API SerdStatus -serd_writer_write_statement(SerdWriter* writer, - const SerdNode* graph, - const SerdNode* subject, - const SerdNode* predicate, - const SerdNode* object, - const SerdNode* object_datatype, - const SerdNode* object_lang); +serd_writer_write_statement(SerdWriter* writer, + SerdStatementFlags flags, + const SerdNode* graph, + const SerdNode* subject, + const SerdNode* predicate, + const SerdNode* object, + const SerdNode* object_datatype, + const SerdNode* object_lang); /** Mark the end of an anonymous node's description. |