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author | David Robillard <d@drobilla.net> | 2007-01-20 01:51:32 +0000 |
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committer | David Robillard <d@drobilla.net> | 2007-01-20 01:51:32 +0000 |
commit | 2472d92b7d8e11fa3e09437515000763717b10d3 (patch) | |
tree | a1b45c514796bf89b25ea6fa421b5e6a44fdbde2 /RDFQuery.cpp | |
parent | 88fdde74bb384530927bad3bdc97f9d79f4d22d2 (diff) | |
download | raul-2472d92b7d8e11fa3e09437515000763717b10d3.tar.gz raul-2472d92b7d8e11fa3e09437515000763717b10d3.tar.bz2 raul-2472d92b7d8e11fa3e09437515000763717b10d3.zip |
Scratch commit to make SVN allow moving files (broken revision).
git-svn-id: http://svn.drobilla.net/lad/raul@262 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'RDFQuery.cpp')
-rw-r--r-- | RDFQuery.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/RDFQuery.cpp b/RDFQuery.cpp new file mode 100644 index 0000000..196868b --- /dev/null +++ b/RDFQuery.cpp @@ -0,0 +1,80 @@ +/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard. + * + * Ingen 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. + * + * Ingen 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 "RDFQuery.h" + +#include <iostream> +using std::cerr; using std::endl; + +namespace Ingen { +namespace Client { + + +RDFQuery::Results +RDFQuery::run(const Glib::ustring base_uri_str) const +{ + Results result; + + rasqal_init(); + + rasqal_query *rq = rasqal_new_query("sparql", NULL); + + raptor_uri* base_uri = NULL; + if (base_uri_str != "") + base_uri = raptor_new_uri((const unsigned char*)base_uri_str.c_str()); + rasqal_query_prepare(rq, (unsigned char*)_query.c_str(), base_uri); + + rasqal_query_results* results = rasqal_query_execute(rq); + assert(results); + + while (!rasqal_query_results_finished(results)) { + + Bindings bindings; + + for (int i=0; i < rasqal_query_results_get_bindings_count(results); i++) { + const unsigned char* rname = rasqal_query_results_get_binding_name(results, i); + rasqal_literal* rvalue = rasqal_query_results_get_binding_value(results, i); + Glib::ustring name((const char*)rname); + + const unsigned char* str = rasqal_literal_as_string(rvalue); + + if (str) { + Glib::ustring value((const char*)str); + bindings.insert(std::make_pair(name, value)); + } + } + + result.push_back(bindings); + rasqal_query_results_next(results); + } + + rasqal_free_query_results(results); + rasqal_free_query(rq); + + if (base_uri) + raptor_free_uri(base_uri); + + rasqal_finish(); + + return result; +} + + +} // namespace Client +} // namespace Ingen |