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author | David Robillard <d@drobilla.net> | 2007-05-01 04:01:04 +0000 |
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committer | David Robillard <d@drobilla.net> | 2007-05-01 04:01:04 +0000 |
commit | c5eb1148b99cf88555c0a516e1218bdb74ab0080 (patch) | |
tree | 4f72d46c43ff7fe39ebce3bd39911c3b09952868 /src/RDFNode.cpp | |
parent | a5ce2e3af283f3ffeb2d30a34546ceab0a84d702 (diff) | |
download | raul-c5eb1148b99cf88555c0a516e1218bdb74ab0080.tar.gz raul-c5eb1148b99cf88555c0a516e1218bdb74ab0080.tar.bz2 raul-c5eb1148b99cf88555c0a516e1218bdb74ab0080.zip |
Converted Raul (and thus Ingen and Machina) to use Redland over Raptor/Rasqal independently.
Fixed patch loading for Ingen (local only, still something wrong with remote...).
git-svn-id: http://svn.drobilla.net/lad/raul@486 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/RDFNode.cpp')
-rw-r--r-- | src/RDFNode.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/RDFNode.cpp b/src/RDFNode.cpp new file mode 100644 index 0000000..2278a7a --- /dev/null +++ b/src/RDFNode.cpp @@ -0,0 +1,140 @@ +/* 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 <raul/RDFWorld.h> +#include <raul/RDFNode.h> + +using namespace std; + +namespace Raul { +namespace RDF { + + +Node::Node(World& world, Type type, const std::string& s) +{ + if (type == RESOURCE) + _node = librdf_new_node_from_uri_string(world.world(), (const unsigned char*)s.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); +} + + +Node::Node(World& world) + : _node(librdf_new_node(world.world())) +{ +} + + +Node::Node(librdf_node* node) + : _node(librdf_new_node_from_node(node)) +{ + assert(node); +} + + +Node::Node(const Node& other) + : _node(other._node ? librdf_new_node_from_node(other._node): NULL) +{ +} + + +Node::~Node() +{ + if (_node) + librdf_free_node(_node); +} + + +string +Node::to_string() const +{ + const Type type = this->type(); + if (type == RESOURCE) { + 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); + string str = "<"; + str.append((const char*)librdf_uri_as_string(librdf_node_get_uri(_node))); + str.append(">"); + return str; +} + + +bool +Node::is_int() +{ + 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() +{ + assert(is_int()); + return strtol((const char*)librdf_node_get_literal_value(_node), NULL, 10); +} + + +bool +Node::is_float() +{ + 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() +{ + assert(is_float()); + return strtod((const char*)librdf_node_get_literal_value(_node), NULL); +} + + +} // namespace RDF +} // namespace Raul + |