"Fossies" - the Fresh Open Source Software archive

Member "redland/docs/api/index.html" of archive amaya-lib-src-11.4.4.tgz:

Caution: In this restricted "Fossies" environment the current HTML page may not be correctly presentated and may have some non-functional links. Alternatively you can here view or download the uninterpreted source code. That can be also achieved for any archive member file by clicking within an archive contents listing on the first character of the file(path) respectively on the according byte size field.

Redland RDF Application Framework API Reference Manual

Dave Beckett

University of Bristol
Institute for Learning and Research Technology (ILRT)

    Dave.Beckett@bristol.ac.uk
  

Copyright © 2000-2003 by Dave Beckett, University of Bristol, UK

Table of Contents
Introduction to Objects in C
RDF World
RDF World Class
librdf_new_world --  Creates a new Redland execution environment
librdf_free_world --  Terminate the library
librdf_world_init_mutex -- 
librdf_world_open --  Open an environment
librdf_world_set_error --  Set the world error handling function
librdf_world_set_warning --  Set the world warning handling function
librdf_world_set_digest --  Set the default digest name
librdf_init_world --  Initialise the library (DEPRECATED)
librdf_destroy_world --  Terminate the library (DEPRECATED)
RDF Model
RDF Model Class
librdf_init_model --  Initialise librdf_model class
librdf_finish_model --  Terminate librdf_model class
librdf_model_register_factory --  Register a model factory
librdf_get_model_factory --  Get a model factory by name
librdf_new_model --  Constructor - create a new storage librdf_model object
librdf_new_model_with_options --  Constructor - Create a new librdf_model with storage
librdf_new_model_from_model --  Copy constructor - create a new librdf_model from an existing one
librdf_free_model --  Destructor - Destroy a librdf_model object
librdf_model_size --  get the number of statements in the model
librdf_model_add_statement --  Add a statement to the model
librdf_model_add_statements --  Add a stream of statements to the model
librdf_model_add --  Create and add a new statement about a resource to the model
librdf_model_add_typed_literal_statement --  Create and add a new statement about a typed literal to the model
librdf_model_add_string_literal_statement --  Create and add a new statement about a literal to the model
librdf_model_remove_statement --  Remove a known statement from the model
librdf_model_contains_statement --  Check for a statement in the model
librdf_model_as_stream --  list the model contents as a stream of statements
librdf_model_serialise --  serialise the entire model as a stream (DEPRECATED)
librdf_model_find_statements --  find matching statements in the model
librdf_model_get_sources --  return the sources (subjects) of arc in an RDF graph given arc (predicate) and target (object)
librdf_model_get_arcs --  return the arcs (predicates) of an arc in an RDF graph given source (subject) and target (object)
librdf_model_get_targets --  return the targets (objects) of an arc in an RDF graph given source (subject) and arc (predicate)
librdf_model_get_source --  return one source (subject) of arc in an RDF graph given arc (predicate) and target (object)
librdf_model_get_arc --  return one arc (predicate) of an arc in an RDF graph given source (subject) and target (object)
librdf_model_get_target --  return one target (object) of an arc in an RDF graph given source (subject) and arc (predicate)
librdf_model_add_submodel --  add a sub-model to the model
librdf_model_remove_submodel --  remove a sub-model from the model
librdf_model_get_arcs_in --  return the properties pointing to the given resource
librdf_model_get_arcs_out --  return the properties pointing from the given resource
librdf_model_has_arc_in --  check if a node has a given property pointing to it
librdf_model_has_arc_out --  check if a node has a given property pointing from it
librdf_model_print --  print the model
librdf_model_context_add_statement --  Add a statement to a model with a context
librdf_model_context_add_statements --  Add statements to a model with a context
librdf_model_context_remove_statement --  Remove a statement from a model in a context
librdf_model_context_remove_statements --  Remove statements from a model with the given context
librdf_model_context_as_stream --  list all statements in a model context
librdf_model_context_serialize --  List all statements in a model context
librdf_model_query --  Run a query against the model returning matching statements
librdf_model_query_string --  Run a query string against the model returning matching statements
librdf_model_sync --  Synchronise the model to the model implementation
librdf_model_get_storage --  return the storage of this model
librdf_model_find_statements_in_context --  search the model for matching statements in a given context
librdf_model_get_contexts --  return the list of contexts in the graph
librdf_model_get_feature --  get the value of a graph feature
librdf_model_set_feature --  set the value of a graph feature
librdf_model_find_statements_with_options --  search the model for matching statements with match options
RDF Statement / Assertion / Triple
RDF Statement Class
librdf_init_statement --  Initialise the librdf_statement module
librdf_finish_statement --  Terminate the librdf_statement module
librdf_new_statement --  Constructor - create a new empty librdf_statement
librdf_new_statement_from_statement --  Copy constructor - create a new librdf_statement from an existing librdf_statement
librdf_new_statement_from_nodes --  Constructor - create a new librdf_statement from existing librdf_node objects
librdf_statement_init --  initialise a statically declared librdf_statement
librdf_statement_clear --  empty a librdf_statement of nodes
librdf_free_statement --  Destructor - destroy a librdf_statement
librdf_statement_get_subject --  Get the statement subject
librdf_statement_set_subject --  Set the statement subject
librdf_statement_get_predicate --  Get the statement predicate
librdf_statement_set_predicate --  Set the statement predicate
librdf_statement_get_object --  Get the statement object
librdf_statement_set_object --  Set the statement object
librdf_statement_is_complete --  Check if statement has all subject, predicate, object fields present
librdf_statement_to_string --  Format the librdf_statement as a string
librdf_statement_print --  pretty print the statement to a file descriptor
librdf_statement_equals --  Check if two statements are equal
librdf_statement_match --  Match a statement against a 'partial' statement
librdf_statement_encode --  Serialise a statement into a buffer
librdf_statement_encode_parts --  Serialise parts of a statement into a buffer
librdf_statement_decode --  Decodes a statement from a buffer
librdf_statement_decode_parts --  Decodes a statement + context node from a buffer
RDF Resource / Predicate / Literal
RDF Node Class
librdf_init_node --  Initialise the node module.
librdf_finish_node --  Terminate the librdf_node module
librdf_new_node --  Constructor - create a new librdf_node object with a private identifier
librdf_new_node_from_uri_string --  Constructor - create a new librdf_node object from a URI string
librdf_new_node_from_uri --  Constructor - create a new resource librdf_node object with a given URI
librdf_new_node_from_uri_local_name --  Constructor - create a new resource librdf_node object with a given URI and local name
librdf_new_node_from_normalised_uri_string --  Constructor - create a new librdf_node object from a URI string normalised to a new base URI
librdf_new_node_from_literal --  Constructor - create a new literal librdf_node object
librdf_new_node_from_typed_literal --  Constructor - create a new typed literal librdf_node object
librdf_new_node_from_blank_identifier --  Constructor - create a new literal librdf_node object from a blank node identifier
librdf_new_node_from_node --  Copy constructor - create a new librdf_node object from an existing librdf_node object
librdf_free_node --  Destructor - destroy an librdf_node object
librdf_node_get_uri --  Get the URI for a node object
librdf_node_get_type --  Get the type of the node
librdf_node_get_literal_value --  Get the string literal value of the node
librdf_node_get_literal_value_as_counted_string --  Get the string literal value of the node as a counted string
librdf_node_get_literal_value_as_latin1 --  Get the string literal value of the node as ISO Latin-1
librdf_node_get_literal_value_language --  Get the XML language of the node
librdf_node_get_literal_value_is_wf_xml --  Get the XML well-formness property of the node
librdf_node_get_literal_value_datatype_uri --  Get the typed literal datatype URI of the literal node
librdf_node_get_li_ordinal --  Get the node li object ordinal value
librdf_node_get_blank_identifier --  Get the blank node identifier
librdf_node_is_resource --  Check node is a resource
librdf_node_is_literal --  Check node is a literal
librdf_node_is_blank --  Check node is a blank nodeID
librdf_node_to_string --  Format the node as a string
librdf_node_to_counted_string --  Format the node as a counted string
librdf_node_print --  pretty print the node to a file descriptor
librdf_node_get_digest --  Get a digest representing a librdf_node
librdf_node_equals --  Compare two librdf_node objects for equality
librdf_node_encode --  Serialise a node into a buffer
librdf_node_decode --  Deserialise a node from a buffer
librdf_node_static_iterator_create --  Create an iterator over an array of nodes
RDF Parsers
RDF Parser Class
librdf_parser_register_factory --  Register a parser factory
librdf_get_parser_factory --  Get a parser factory by name
librdf_new_parser --  Constructor - create a new librdf_parser object
librdf_new_parser_from_factory --  Constructor - create a new librdf_parser object
librdf_free_parser --  Destructor - destroys a librdf_parser object
librdf_parser_parse_as_stream --  Parse a URI to a librdf_stream of statements
librdf_parser_parse_into_model --  Parse a URI of content into an librdf_model
librdf_parser_parse_string_as_stream --  Parse a string of content to a librdf_stream of statements
librdf_parser_parse_string_into_model --  Parse a string of content into an librdf_model
librdf_init_parser --  Initialise the librdf_parser class
librdf_finish_parser --  Terminate the librdf_parser class
librdf_parser_set_error --  Set the parser error handling function
librdf_parser_set_warning --  Set the parser warning handling function
librdf_parser_get_feature --  get the value of a parser feature
librdf_parser_set_feature --  set the value of a parser feature
Raptor RDF Parser Implementation Class
librdf_parser_raptor_init --  Initialise the raptor RDF parser
librdf_parser_raptor_terminate --  Terminate the raptor RDF parser
librdf_parser_raptor_parse_file_as_stream --  Retrieve the RDF/XML content at URI and parse it into a librdf_stream
librdf_parser_raptor_parse_as_stream_common --  Retrieve the content at URI/string and parse it into a librdf_stream
librdf_parser_raptor_parse_uri_as_stream --  Retrieve the content at URI and parse it into a librdf_stream
librdf_parser_raptor_parse_string_as_stream --  Parse the content in a string and return a librdf_stream
librdf_parser_raptor_parse_into_model_common --  Retrieve the RDF/XML content at URI and store it into a librdf_model
librdf_parser_raptor_parse_uri_into_model --  Retrieve the RDF/XML content at URI and store it into a librdf_model
librdf_parser_raptor_parse_string_into_model --  Parse the RDF/XML content in a string and store it into a librdf_model
librdf_parser_raptor_serialise_end_of_stream --  Check for the end of the stream of statements from the raptor RDF parser
librdf_parser_raptor_serialise_next_statement --  Move to the next librdf_statement in the stream of statements from the raptor RDF parse
librdf_parser_raptor_serialise_get_statement --  Get the current librdf_statement from the stream of statements from the raptor RDF parse
librdf_parser_raptor_serialise_finished --  Finish the serialisation of the statement stream from the raptor RDF parse
librdf_parser_raptor_register_factory --  Register the raptor RDF parser with the RDF parser factory
librdf_parser_raptor_constructor --  Initialise the raptor RDF parser module
librdf_parser_raptor_destructor --  Terminate the raptor RDF parser module
Content Digests
Digest Class
librdf_digest_register_factory --  Register a hash factory
librdf_get_digest_factory --  get a digest factory
librdf_new_digest --  Constructor - create a new librdf_digest object
librdf_new_digest_from_factory --  Constructor - create a new librdf_digest object
librdf_free_digest --  Destructor- destroy a librdf_digest object
librdf_digest_init --  (Re)initialise the librdf_digest object
librdf_digest_update --  Add more data to the librdf_digest object
librdf_digest_final --  Finish the digesting of data
librdf_digest_get_digest --  Get the calculated digested value.
librdf_digest_to_string --  Get a string representation of the digest object
librdf_digest_print --  Print the digest to a FILE handle
librdf_init_digest --  Initialise the librdf_digest class
librdf_finish_digest --  Terminate the librdf_digest class
OpenSSL Digests Implementation
librdf_digest_openssl_constructor --  Initialise the OpenSSL digest module
Local MD5 Digest Implementation
librdf_digest_md5_constructor --  Initialise the MD5 digest factory
Hashes
Hash Class
librdf_init_hash --  Initialise the librdf_hash module
librdf_finish_hash --  Terminate the librdf_hash module
librdf_new_hash_datum --  Constructor - Create a new hash datum object
librdf_free_hash_datum --  Destructor - destroy a hash datum object
librdf_hash_register_factory --  Register a hash factory
librdf_get_hash_factory --  Get a hash factory by name
librdf_new_hash --  Constructor - create a new librdf_hash object
librdf_new_hash_from_factory --  Constructor - create a new librdf_hash object from a factory
librdf_new_hash_from_hash --  Copy Constructor - create a new librdf_hash object from an existing one
librdf_free_hash --  Destructor - destroy a librdf_hash object
librdf_hash_open --  Start a hash association
librdf_hash_close --  End a hash association
librdf_hash_values_count --  Get the number of values in the hash
librdf_hash_get --  Retrieve one value from hash for a given key as string
librdf_hash_get_one --  Retrieve one value from hash for a given key
librdf_hash_get_all --  Retrieve all values from hash for a given key
librdf_hash_get_del --  Retrieve one value from hash for a given key as string and remove all values with that key
librdf_hash_put --  Insert key/value pairs into the hash according to flags
librdf_hash_exists --  Check if a given key/value is in the hash
librdf_hash_delete --  Delete a key/value pair from the hash
librdf_hash_delete_all --  Delete a key and all values from the hash
librdf_hash_keys --  Get the hash keys
librdf_hash_sync --  Flush any cached information to disk if appropriate
librdf_hash_get_fd --  Get the file descriptor for the hash
librdf_hash_print --  pretty print the hash to a file descriptor
librdf_hash_print_keys --  pretty print the keys to a file descriptor
librdf_hash_print_values --  pretty print the values of one key to a file descriptor
librdf_hash_from_string --  Initialise a hash from a string
librdf_hash_from_array_of_strings --  Initialise a hash from an array of strings
librdf_hash_get_as_boolean --  lookup a hash key and decode value as a boolean
librdf_hash_get_as_long --  lookup a hash key and decode value as a long
librdf_hash_put_strings --  Insert key/value pairs into the hash as strings
Hash Cursor Implementation Class
librdf_new_hash_cursor --  Constructor - Create a new hash cursor over a hash
librdf_free_hash_cursor --  Destructor - destroy a librdf_hash_cursor object
Berkeley DB Hash Implementation Class
librdf_hash_bdb_create --  Create a BerkeleyDB hash
librdf_hash_bdb_destroy --  Destroy a BerkeleyDB hash
librdf_hash_bdb_open --  Open and maybe create a BerkeleyDB hash
librdf_hash_bdb_close --  Close the hash
librdf_hash_bdb_clone --  Clone the BerkeleyDB hash
librdf_hash_bdb_values_count --  Get the number of values in the hash
librdf_hash_bdb_cursor_init --  Initialise a new bdb cursor
librdf_hash_bdb_cursor_get --  Retrieve a hash value for the given key
librdf_hash_bdb_cursor_finish --  Finish the serialisation of the hash bdb get
librdf_hash_bdb_put --  Store a key/value pair in the hash
librdf_hash_bdb_exists --  Test the existence of a key/value in the hash
librdf_hash_bdb_delete_key --  Delete all values for given key from the hash
librdf_hash_bdb_delete_key_value --  Delete given key/value from the hash
librdf_hash_bdb_sync --  Flush the hash to disk
librdf_hash_bdb_get_fd --  Get the file description representing the hash
librdf_hash_bdb_register_factory --  Register the BerkeleyDB hash module with the hash factory
librdf_init_hash_bdb --  Initialise the BerkeleyDB hash module
In Memory Hash Implementation Class
librdf_hash_memory_find_node --  Find the node for the given key or value
librdf_hash_memory_create --  Create a new memory hash
librdf_hash_memory_destroy --  Destroy a memory hash
librdf_hash_memory_open --  Open memory hash with given parameters
librdf_hash_memory_close --  Close the hash
librdf_hash_memory_values_count --  Get the number of values in the hash
librdf_hash_memory_cursor_init --  Initialise a new hash cursor
librdf_hash_memory_cursor_get --  Retrieve a hash value for the given key
librdf_hash_memory_cursor_finish --  Finish the serialisation of the hash memory get
librdf_hash_memory_put --  Store a key/value pair in the hash
librdf_hash_memory_exists --  Test the existence of a key in the hash
librdf_hash_memory_delete_key_value --  Delete a key/value pair from the hash
librdf_hash_memory_delete_key --  Delete a key and all its values from the hash
librdf_hash_memory_sync --  Flush the hash to disk
librdf_hash_memory_get_fd --  Get the file descriptor representing the hash
librdf_hash_memory_register_factory --  Register the memory hash module with the hash factory
librdf_init_hash_memory --  Initialise the memory hash module
RDF Query
RDF Query Class
librdf_init_query --  Initialise the librdf_query module
librdf_finish_query --  Terminate the librdf_query module
librdf_query_register_factory --  Register a query factory
librdf_get_query_factory --  Get a query factory by name
librdf_new_query --  Constructor - create a new librdf_query object
librdf_new_query_from_query --  Copy constructor - create a new librdf_query object from an existing one
librdf_new_query_from_factory --  Constructor - create a new librdf_query object
librdf_free_query --  Destructor - destroy a librdf_query object
librdf_query_open --  Start a query
librdf_query_close --  End a model / query association
librdf_query_run --  Run the query on a model giving matching statements
RDF Query Triples Class
librdf_query_triples_init --  Initialise a triples query from the string
librdf_query_triples_close -- 
RDF Serializer
RDF Serializer Class
librdf_serializer_register_factory --  Register a serializer factory
librdf_get_serializer_factory --  Get a serializer factory by name
librdf_new_serializer --  Constructor - create a new librdf_serializer object
librdf_new_serializer_from_factory --  Constructor - create a new librdf_serializer object
librdf_free_serializer --  Destructor - destroys a librdf_serializer object
librdf_serializer_serialize_model --  Turn a librdf_model into a serialized form
librdf_serializer_serialize_model_to_file --  Write a librdf_model into a serialized form to a file
librdf_init_serializer --  Initialise the librdf_serializer class
librdf_finish_serializer --  Terminate the librdf_serializer class
librdf_serializer_set_error --  Set the serializer error handling function
librdf_serializer_set_warning --  Set the serializer warning handling function
librdf_serializer_get_feature --  Get the value of a serializer feature
librdf_serializer_set_feature --  Set the value of a serializer feature
librdf_serializer_set_namespace --  Set a namespace URI/prefix mapping
RDF Serializer Raptor Class
librdf_serializer_raptor_init --  Initialise the N-Triples RDF serializer
librdf_serializer_raptor_register_factory --  Register the N-riples serializer with the RDF serializer factory
librdf_serializer_raptor_constructor --  Initialise the raptor RDF serializer module
RDF Model Storage
RDF Model Storage Class
librdf_init_storage --  Initialise the librdf_storage module
librdf_finish_storage --  Terminate the librdf_storage module
librdf_storage_register_factory --  Register a storage factory
librdf_get_storage_factory --  Get a storage factory by name
librdf_storage_enumerate --  Get information on storages
librdf_new_storage --  Constructor - create a new librdf_storage object
librdf_new_storage_with_options --  Constructor - create a new librdf_storage object
librdf_new_storage_from_storage --  Copy constructor - create a new librdf_storage object from an existing one
librdf_new_storage_from_factory --  Constructor - create a new librdf_storage object
librdf_free_storage --  Destructor - destroy a librdf_storage object
librdf_storage_open --  Start a model / storage association
librdf_storage_close --  End a model / storage association
librdf_storage_size --  Get the number of statements stored
librdf_storage_add_statement --  Add a statement to a storage
librdf_storage_add_statements --  Add a stream of statements to the storage
librdf_storage_remove_statement --  Remove a statement from the storage
librdf_storage_contains_statement --  Test if a given statement is present in the storage
librdf_storage_serialise --  Serialise the storage as a librdf_stream of statemetns
librdf_storage_find_statements --  search the storage for matching statements
librdf_storage_get_sources --  return the sources (subjects) of arc in an RDF graph given arc (predicate) and target (object)
librdf_storage_get_arcs --  return the arcs (predicates) of an arc in an RDF graph given source (subject) and target (object)
librdf_storage_get_targets --  return the targets (objects) of an arc in an RDF graph given source (subject) and arc (predicate)
librdf_storage_get_arcs_in --  return the properties pointing to the given resource
librdf_storage_get_arcs_out --  return the properties pointing from the given resource
librdf_storage_has_arc_in --  check if a node has a given property pointing to it
librdf_storage_has_arc_out --  check if a node has a given property pointing from it
librdf_storage_context_add_statement --  Add a statement to a storage in a context
librdf_storage_context_add_statements --  Add statements to a storage with a context
librdf_storage_context_remove_statement --  Remove a statement from a storage in a context
librdf_storage_context_remove_statements --  Remove statements from a storage with the given context
librdf_storage_context_as_stream --  List all statements in a storage context
librdf_storage_context_serialise --  List all statements in a storage context (DEPRECATED)
librdf_storage_find_statements_in_context --  search the storage for matching statements in a given context
librdf_storage_get_contexts --  return the list of contexts in the store
librdf_storage_get_feature --  get the value of a storage feature
librdf_storage_set_feature --  set the value of a storage feature
librdf_storage_find_statements_with_options --  search the storage for matching statements with match options
In Memory List RDF Model Storage Implementation Class
librdf_storage_list_close -- 
librdf_storage_list_find_statements -- 
librdf_storage_list_context_add_statement --  Add a statement to a storage context
librdf_storage_list_context_remove_statement --  Remove a statement from a storage context
librdf_storage_list_context_serialise --  List all statements in a storage context
librdf_storage_list_get_contexts --  List all context nodes in a storage
librdf_storage_list_get_feature --  get the value of a storage feature
Multiple Hashes RDF Model Storage Implementation Class
librdf_storage_hashes_close -- 
librdf_storage_hashes_find_statements -- 
librdf_storage_hashes_context_add_statement --  Add a statement to a storage context
librdf_storage_hashes_context_remove_statement --  Remove a statement from a storage context
librdf_storage_hashes_context_serialise --  List all statements in a storage context
librdf_storage_hashes_get_contexts --  List all context nodes in a storage
librdf_storage_hashes_get_feature --  get the value of a storage feature
MySQL RDF Model Storage Implementation Class
librdf_storage_mysql_hash -- 
librdf_storage_mysql_init -- 
librdf_storage_mysql_terminate -- 
librdf_storage_mysql_open -- 
librdf_storage_mysql_close -- 
librdf_storage_mysql_size -- 
librdf_storage_mysql_add_statements -- 
librdf_storage_mysql_node_hash -- 
librdf_storage_mysql_context_add_statements -- 
librdf_storage_mysql_context_add_statement --  Add a statement to a storage context
librdf_storage_mysql_contains_statement -- 
librdf_storage_mysql_context_remove_statement --  Remove a statement from a storage context
librdf_storage_mysql_context_remove_statements --  Remove all statement from a storage context
librdf_storage_mysql_serialise -- 
librdf_storage_mysql_find_statements -- 
librdf_storage_mysql_context_serialise --  List all statements in a storage context
librdf_storage_mysql_find_statements_in_context -- 
librdf_storage_mysql_find_statements_with_options -- 
librdf_storage_mysql_get_contexts -- 
librdf_storage_mysql_get_feature --  get the value of a storage feature
3store RDF Model Storage Implementation Class
librdf_storage_tstore_close -- 
librdf_storage_tstore_find_statements -- 
librdf_storage_tstore_context_add_statement --  Add a statement to a storage context
librdf_storage_tstore_context_remove_statement --  Remove a statement from a storage context
librdf_storage_tstore_context_serialise --  List all statements in a storage context
RDF Model Serialisation
RDF Statement Stream Class
librdf_new_stream --  Constructor - create a new librdf_stream
librdf_free_stream --  Destructor - destroy an libdf_stream object
librdf_stream_end --  Test if the stream has ended
librdf_stream_next --  Move to the next librdf_statement in the stream
librdf_stream_get_object --  Get the current librdf_statement in the stream
librdf_stream_get_context --  Get the context of the current object on the stream
librdf_stream_add_map --  Add a librdf_stream mapping function
librdf_new_stream_from_node_iterator --  Constructor - create a new librdf_stream from an iterator of nodes
librdf_stream_print --  print the stream
Data Iterators
Iterator Class
librdf_new_iterator --  Constructor - create a new librdf_iterator object
librdf_free_iterator --  Destructor - destroy a librdf_iterator object
librdf_iterator_have_elements --  Test if the iterator has finished
librdf_iterator_end --  Test if the iterator has finished
librdf_iterator_next --  Move to the next iterator element
librdf_iterator_get_object --  Get the current object from the iterator
librdf_iterator_get_context --  Get the context of the current object on the iterator
librdf_iterator_get_key --  Get the key of the current object on the iterator
librdf_iterator_get_value --  Get the value of the current object on the iterator
librdf_iterator_add_map --  Add a librdf_iterator mapping function
Lists
List Class
librdf_new_list --  Constructor - create a new librdf_list
librdf_free_list --  Destructor - destroy a librdf_list object
librdf_list_clear --  empty an librdf_list
librdf_list_add --  add a data item to the end of a librdf_list
librdf_list_unshift --  add a data item to the start of a librdf_list
librdf_list_remove --  remove a data item from an librdf_list
librdf_list_shift --  remove and return the data at the start of the list
librdf_list_pop --  remove and return the data at the end of the list
librdf_list_contains --  check for presence of data item in list
librdf_list_size --  return the length of the list
librdf_list_set_equals --  set the equals function for the list
librdf_list_get_iterator --  get an iterator for the list
librdf_list_foreach --  apply a function for each data item in a librdf_list
URIs
URI Class
librdf_init_uri --  Initialise the librdf_uri class
librdf_finish_uri --  Terminate the librdf_uri class
librdf_new_uri --  Constructor - create a new librdf_uri object from a URI string
librdf_new_uri_from_uri --  Copy constructor - create a new librdf_uri object from an existing librdf_uri object
librdf_new_uri_from_uri_local_name --  Copy constructor - create a new librdf_uri object from an existing librdf_uri object and a local name
librdf_new_uri_normalised_to_base --  Constructor - create a new librdf_uri object from a URI string stripped of the source URI, made relative to the base URI
librdf_new_uri_relative_to_base --  Constructor - create a new librdf_uri object from a URI string relative to a base URI
librdf_new_uri_from_filename --  Constructor - create a new librdf_uri object from a filename
librdf_free_uri --  Destructor - destroy a librdf_uri object
librdf_uri_as_string --  Get a pointer to the string representation of the URI
librdf_uri_as_counted_string --  Get a pointer to the string representation of the URI with length
librdf_uri_get_digest --  Get a digest for the URI
librdf_uri_print --  Print the URI to the given file handle
librdf_uri_to_string --  Format the URI as a string
librdf_uri_to_counted_string --  Format the URI as a counted string
librdf_uri_equals --  Compare two librdf_uri objects for equality
librdf_uri_is_file_uri --  Test if a URI points to a filename
librdf_uri_to_filename --  Return pointer to filename of URI
UTF-8
UTF8 Class
librdf_unicode_char_to_utf8 --  Convert a Unicode character to UTF-8 encoding
librdf_utf8_to_unicode_char --  Convert an UTF-8 encoded buffer to a Unicode character
librdf_utf8_to_latin1 --  Convert a UTF-8 string to ISO Latin-1
librdf_latin1_to_utf8 --  Convert an ISO Latin-1 encoded string to UTF-8
librdf_utf8_print --  Print a UTF-8 string to a stream
Heuristics
Heuristic functions
librdf_heuristic_is_blank_node --  try to guess if an node string is a blank node identifier
librdf_heuristic_get_blank_node --  get a blank node identifier from a node string
librdf_heuristic_object_is_literal --  try to guess if an object string is a literal or a resource
librdf_heuristic_gen_name --  Generate a new name from an existing name
GNU Free Documentation License
  Next >>>
  Introduction to Objects in C