diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 6 | ||||
| -rw-r--r-- | src/Namespaces.cpp | 43 | ||||
| -rw-r--r-- | src/RDFModel.cpp | 262 | ||||
| -rw-r--r-- | src/RDFNode.cpp | 187 | ||||
| -rw-r--r-- | src/RDFQuery.cpp | 89 | ||||
| -rw-r--r-- | src/RDFWorld.cpp | 104 |
6 files changed, 0 insertions, 691 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 95f9bdc..e3d24b1 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -5,17 +5,11 @@ lib_LTLIBRARIES = libraul.la libraul_la_SOURCES = \ Maid.cpp \ - Namespaces.cpp \ Path.cpp \ - RDFWorld.cpp \ SMFReader.cpp \ SMFWriter.cpp \ Thread.cpp -if WITH_REDLAND -libraul_la_SOURCES += RDFModel.cpp RDFNode.cpp RDFQuery.cpp -endif - if WITH_JACK libraul_la_SOURCES += JackDriver.cpp endif diff --git a/src/Namespaces.cpp b/src/Namespaces.cpp deleted file mode 100644 index 3236824..0000000 --- a/src/Namespaces.cpp +++ /dev/null @@ -1,43 +0,0 @@ -/* This file is part of Raul. - * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * - * Raul is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Raul is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <raul/Namespaces.hpp> - -namespace Raul { - - -/** Create a prefixed qname from @a uri, if possible. - * - * If @a uri can not be qualified with the namespaces currently in this - * Namespaces, @a uri will be returned unmodified. - */ -std::string -Namespaces::qualify(std::string uri) const -{ - for (const_iterator i = begin(); i != end(); ++i) { - size_t ns_len = i->second.length(); - - if (uri.substr(0, ns_len) == i->second) - return i->first + ":" + uri.substr(ns_len); - } - - return uri; -} - - -} // namespace Raul - diff --git a/src/RDFModel.cpp b/src/RDFModel.cpp deleted file mode 100644 index 95f6d68..0000000 --- a/src/RDFModel.cpp +++ /dev/null @@ -1,262 +0,0 @@ -/* This file is part of Raul. - * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * - * Raul is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Raul is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <sstream> -#include <raul/RDFWorld.hpp> -#include <raul/RDFModel.hpp> -#include <raul/RDFNode.hpp> -#include <raul/AtomRedland.hpp> - -#define U(x) ((const unsigned char*)(x)) - -using namespace std; - -namespace Raul { -namespace RDF { - - -//static const char* const RDF_LANG = "rdfxml-abbrev"; -static const char* const RDF_LANG = "turtle"; - - -/** Create an empty in-memory RDF model. - */ -Model::Model(RDF::World& world) - : _world(world) - , _serialiser(NULL) -{ - Glib::Mutex::Lock lock(world.mutex()); - _storage = librdf_new_storage(_world.world(), "hashes", NULL, "hash-type='memory'"); - _model = librdf_new_model(_world.world(), _storage, NULL); -} - - -/** Load a model from a URI (local file or remote). - */ -Model::Model(World& world, const Glib::ustring& data_uri, Glib::ustring base_uri) - : _world(world) - , _serialiser(NULL) -{ - Glib::Mutex::Lock lock(world.mutex()); - _storage = librdf_new_storage(_world.world(), "hashes", NULL, "hash-type='memory'"); - _model = librdf_new_model(_world.world(), _storage, NULL); - - set_base_uri(base_uri); - - librdf_uri* uri = librdf_new_uri(world.world(), (const unsigned char*)data_uri.c_str()); - - if (uri) { - librdf_parser* parser = librdf_new_parser(world.world(), "guess", NULL, NULL); - librdf_parser_parse_into_model(parser, uri, _base.get_uri(), _model); - librdf_free_parser(parser); - } else { - cerr << "Unable to create URI " << data_uri << endl; - } - - if (uri) - librdf_free_uri(uri); - - /*cout << endl << "Loaded model from " << data_uri << ":" << endl; - serialize_to_file_handle(stdout); - cout << endl << endl;*/ -} - - -Model::~Model() -{ - Glib::Mutex::Lock lock(_world.mutex()); - - if (_serialiser) - librdf_free_serializer(_serialiser); - - librdf_free_model(_model); - librdf_free_storage(_storage); -} - - -void -Model::set_base_uri(const Glib::ustring& uri) -{ - if (uri == "") - return; - - _base = Node(_world, Node::RESOURCE, uri); -} - - -void -Model::setup_prefixes() -{ - assert(_serialiser); - - for (Namespaces::const_iterator i = _world.prefixes().begin(); i != _world.prefixes().end(); ++i) { - librdf_serializer_set_namespace(_serialiser, - librdf_new_uri(_world.world(), U(i->second.c_str())), i->first.c_str()); - } -} - - -/** Begin a serialization to a C file handle. - * - * This must be called before any write methods. - */ -void -Model::serialise_to_file_handle(FILE* fd) -{ - Glib::Mutex::Lock lock(_world.mutex()); - - _serialiser = librdf_new_serializer(_world.world(), RDF_LANG, NULL, NULL); - setup_prefixes(); - librdf_serializer_serialize_model_to_file_handle(_serialiser, fd, NULL, _model); - librdf_free_serializer(_serialiser); - _serialiser = NULL; -} - - -/** Begin a serialization to a file. - * - * \a uri must be a local (file://) URI. - * - * This must be called before any write methods. - */ -void -Model::serialise_to_file(const Glib::ustring& uri_str) -{ - Glib::Mutex::Lock lock(_world.mutex()); - - librdf_uri* uri = librdf_new_uri(_world.world(), (const unsigned char*)uri_str.c_str()); - if (uri && librdf_uri_is_file_uri(uri)) { - _serialiser = librdf_new_serializer(_world.world(), RDF_LANG, NULL, NULL); - setup_prefixes(); - librdf_serializer_serialize_model_to_file(_serialiser, librdf_uri_to_filename(uri), uri, _model); - librdf_free_serializer(_serialiser); - _serialiser = NULL; - } - librdf_free_uri(uri); -} - - -/** Begin a serialization to a string. - * - * This must be called before any write methods. - * - * The results of the serialization will be returned by the finish() method after - * the desired objects have been serialized. - */ -string -Model::serialise_to_string() -{ - Glib::Mutex::Lock lock(_world.mutex()); - - _serialiser = librdf_new_serializer(_world.world(), RDF_LANG, NULL, NULL); - setup_prefixes(); - - unsigned char* c_str - = librdf_serializer_serialize_model_to_string(_serialiser, NULL, _model); - - string result((const char*)c_str); - free(c_str); - - librdf_free_serializer(_serialiser); - _serialiser = NULL; - - return result; -} - - -void -Model::add_statement(const Node& subject, - const Node& predicate, - const Node& object) -{ - Glib::Mutex::Lock lock(_world.mutex()); - - assert(subject.get_node()); - assert(predicate.get_node()); - assert(object.get_node()); - - librdf_statement* triple = librdf_new_statement_from_nodes(_world.world(), - subject.get_node(), predicate.get_node(), object.get_node()); - - librdf_model_add_statement(_model, triple); -} - - -void -Model::add_statement(const Node& subject, - const string& predicate_id, - const Node& object) -{ - Glib::Mutex::Lock lock(_world.mutex()); - - const string predicate_uri = _world.expand_uri(predicate_id); - librdf_node* predicate = librdf_new_node_from_uri_string(_world.world(), - (const unsigned char*)predicate_uri.c_str()); - - librdf_statement* triple = librdf_new_statement_from_nodes(_world.world(), - subject.get_node(), predicate, object.get_node()); - - librdf_model_add_statement(_model, triple); -} - - -void -Model::add_statement(const Node& subject, - const Node& predicate, - const Atom& object) -{ - Glib::Mutex::Lock lock(_world.mutex()); - - librdf_node* atom_node = AtomRedland::atom_to_rdf_node(_world.world(), object); - - if (atom_node) { - librdf_statement* triple = librdf_new_statement_from_nodes(_world.world(), - subject.get_node(), predicate.get_node(), atom_node); - librdf_model_add_statement(_model, triple); - } else { - cerr << "WARNING: Unable to add statement (unserializable Atom)" << endl; - } -} - - -void -Model::add_statement(const Node& subject, - const string& predicate_id, - const Atom& object) -{ - Glib::Mutex::Lock lock(_world.mutex()); - - const string predicate_uri = _world.expand_uri(predicate_id); - librdf_node* predicate = librdf_new_node_from_uri_string(_world.world(), - (const unsigned char*)predicate_uri.c_str()); - - librdf_node* atom_node = AtomRedland::atom_to_rdf_node(_world.world(), object); - - if (atom_node) { - librdf_statement* triple = librdf_new_statement_from_nodes(_world.world(), - subject.get_node(), predicate, atom_node); - librdf_model_add_statement(_model, triple); - } else { - cerr << "WARNING: Unable to add statement (unserializable Atom)" << endl; - } -} - - - -} // namespace RDF -} // namespace Raul - diff --git a/src/RDFNode.cpp b/src/RDFNode.cpp deleted file mode 100644 index 4bc1fbb..0000000 --- a/src/RDFNode.cpp +++ /dev/null @@ -1,187 +0,0 @@ -/* This file is part of Raul. - * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * - * Raul is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Raul is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <string> -#include <iostream> -#include <raul/RDFWorld.hpp> -#include <raul/RDFNode.hpp> - -using namespace std; - -namespace Raul { -namespace RDF { - - -Node::Node(World& world, Type type, const std::string& s) - : _world(&world) -{ - Glib::Mutex::Lock lock(world.mutex(), Glib::TRY_LOCK); - - if (type == RESOURCE) { - const string uri = world.expand_uri(s); - _node = librdf_new_node_from_uri_string(world.world(), (const unsigned char*)uri.c_str()); - } else if (type == LITERAL) { - _node = librdf_new_node_from_literal(world.world(), (const unsigned char*)s.c_str(), NULL, 0); - } else if (type == BLANK) { - _node = librdf_new_node_from_blank_identifier(world.world(), (const unsigned char*)s.c_str()); - } else { - _node = NULL; - } - - assert(this->type() == type); - assert(_world); -} - - -Node::Node(World& world) - : _world(&world) -{ - Glib::Mutex::Lock lock(world.mutex(), Glib::TRY_LOCK); - _node = librdf_new_node(world.world()); - assert(_world); -} - - -Node::Node(World& world, librdf_node* node) - : _world(&world) -{ - Glib::Mutex::Lock lock(world.mutex(), Glib::TRY_LOCK); - _node = librdf_new_node_from_node(node); - assert(_world); -} - - -Node::Node(const Node& other) - : _world(other.world()) - , _node(NULL) -{ - if (_world) { - Glib::Mutex::Lock lock(_world->mutex(), Glib::TRY_LOCK); - _node = (other._node ? librdf_new_node_from_node(other._node) : NULL); - } - - assert(to_string() == other.to_string()); -} - - -Node::~Node() -{ - if (_world) { - Glib::Mutex::Lock lock(_world->mutex(), Glib::TRY_LOCK); - if (_node) - librdf_free_node(_node); - } -} - - -string -Node::to_string() const -{ - const Type type = this->type(); - if (type == RESOURCE) { - assert(librdf_node_get_uri(_node)); - return string((const char*)librdf_uri_as_string(librdf_node_get_uri(_node))); - } else if (type == LITERAL) { - return string((const char*)librdf_node_get_literal_value(_node)); - } else if (type == BLANK) { - return string((const char*)librdf_node_get_blank_identifier(_node)); - } else { - return ""; - } -} - - -string -Node::to_quoted_uri_string() const -{ - assert(type() == RESOURCE); - assert(librdf_node_get_uri(_node)); - string str = "<"; - str.append((const char*)librdf_uri_as_string(librdf_node_get_uri(_node))); - str.append(">"); - return str; -} - - -bool -Node::is_int() const -{ - if (_node && librdf_node_get_type(_node) == LIBRDF_NODE_TYPE_LITERAL) { - librdf_uri* datatype_uri = librdf_node_get_literal_value_datatype_uri(_node); - if (datatype_uri && !strcmp((const char*)librdf_uri_as_string(datatype_uri), - "http://www.w3.org/2001/XMLSchema#integer")) - return true; - } - return false; -} - - -int -Node::to_int() const -{ - assert(is_int()); - return strtol((const char*)librdf_node_get_literal_value(_node), NULL, 10); -} - - -bool -Node::is_float() const -{ - if (_node && librdf_node_get_type(_node) == LIBRDF_NODE_TYPE_LITERAL) { - librdf_uri* datatype_uri = librdf_node_get_literal_value_datatype_uri(_node); - if (datatype_uri && !strcmp((const char*)librdf_uri_as_string(datatype_uri), - "http://www.w3.org/2001/XMLSchema#decimal")) - return true; - } - return false; -} - - -float -Node::to_float() const -{ - assert(is_float()); - return strtod((const char*)librdf_node_get_literal_value(_node), NULL); -} - -bool -Node::is_bool() const -{ - if (_node && librdf_node_get_type(_node) == LIBRDF_NODE_TYPE_LITERAL) { - librdf_uri* datatype_uri = librdf_node_get_literal_value_datatype_uri(_node); - if (datatype_uri && !strcmp((const char*)librdf_uri_as_string(datatype_uri), - "http://www.w3.org/2001/XMLSchema#boolean")) - return true; - } - return false; -} - - -float -Node::to_bool() const -{ - assert(is_bool()); - if (!strcmp((const char*)librdf_node_get_literal_value(_node), "true")) - return true; - else - return false; -} - - -} // namespace RDF -} // namespace Raul - diff --git a/src/RDFQuery.cpp b/src/RDFQuery.cpp deleted file mode 100644 index 41aa918..0000000 --- a/src/RDFQuery.cpp +++ /dev/null @@ -1,89 +0,0 @@ -/* This file is part of Raul. - * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * - * Raul is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Raul is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <iostream> -#include <cassert> -#include <rasqal.h> -#include <raul/RDFQuery.hpp> -#include <raul/RDFModel.hpp> - -using namespace std; - -namespace Raul { -namespace RDF { - - -Query::Results -Query::run(World& world, Model& model, const Glib::ustring base_uri_str) const -{ - Glib::Mutex::Lock lock(world.mutex()); - - //cout << "\n**************** QUERY *******************\n"; - //cout << _query << endl; - //cout << "******************************************\n\n"; - - Results result; - - librdf_uri* base_uri = NULL; - if (base_uri_str != "") - base_uri = librdf_new_uri(world.world(), - (const unsigned char*)base_uri_str.c_str()); - - librdf_query* q = librdf_new_query(world.world(), "sparql", - NULL, (unsigned char*)_query.c_str(), base_uri); - - if (!q) { - cerr << "Unable to create query:" << endl << _query << endl; - return result; /* Return an empty Results */ - } - - librdf_query_results* results = librdf_query_execute(q, model._model); - - if (!results) { - cerr << "Failed query:" << endl << _query << endl; - return result; /* Return an empty Results */ - } - - while (!librdf_query_results_finished(results)) { - - Bindings bindings; - - for (int i=0; i < librdf_query_results_get_bindings_count(results); i++) { - const char* name = (char*)librdf_query_results_get_binding_name(results, i); - librdf_node* value = librdf_query_results_get_binding_value(results, i); - - if (name && value) - bindings.insert(std::make_pair(std::string(name), Node(world, value))); - } - - result.push_back(bindings); - librdf_query_results_next(results); - } - - librdf_free_query_results(results); - librdf_free_query(q); - - if (base_uri) - librdf_free_uri(base_uri); - - return result; -} - - -} // namespace RDF -} // namespace Raul - diff --git a/src/RDFWorld.cpp b/src/RDFWorld.cpp deleted file mode 100644 index 5420274..0000000 --- a/src/RDFWorld.cpp +++ /dev/null @@ -1,104 +0,0 @@ -/* This file is part of Raul. - * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * - * Raul is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Raul is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <sstream> -#include <raul/RDFWorld.hpp> -#include <raul/RDFNode.hpp> -#include <raul/AtomRedland.hpp> - -#define U(x) ((const unsigned char*)(x)) - -using namespace std; - -namespace Raul { -namespace RDF { - - -//static const char* const RDF_LANG = "rdfxml-abbrev"; -static const char* const RDF_LANG = "turtle"; - - -/** Create an empty in-memory RDF model. - */ -World::World() - : _next_blank_id(1) -{ - _world = librdf_new_world(); - assert(_world); - librdf_world_open(_world); - - add_prefix("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#"); -} - - -World::~World() -{ - Glib::Mutex::Lock lock(_mutex); - librdf_free_world(_world); -} - - -void -World::add_prefix(const string& prefix, const string& uri) -{ - _prefixes[prefix] = uri; -} - - -/** Expands the prefix of URI, if the prefix is registered. - */ -string -World::expand_uri(const string& uri) const -{ - if (uri.find(":") == string::npos) - return uri; - - for (Namespaces::const_iterator i = _prefixes.begin(); i != _prefixes.end(); ++i) - if (uri.substr(0, i->first.length()+1) == i->first + ":") - return i->second + uri.substr(i->first.length()+1); - - return uri; -} - - -/** Opposite of expand_uri - */ -string -World::qualify(const string& uri) const -{ - return _prefixes.qualify(uri); -} - - -Node -World::blank_id(const string base_name) -{ - std::ostringstream ss; - ss << "b" << _next_blank_id++; - - if (base_name != "") - ss << "_" << base_name; - - Node result = Node(*this, Node::BLANK, ss.str()); - assert(result.to_string() == ss.str()); - return result; -} - - -} // namespace RDF -} // namespace Raul - |