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/* -*- mode: C -*- */
/*
IGraph library.
Copyright (C) 2007-2012 Gabor Csardi <csardi.gabor@gmail.com>
334 Harvard street, Cambridge, MA 02139 USA
This program 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.
This program 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 more 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 Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include <igraph.h>
void null_warning_handler (const char *reason, const char *file,
int line, int igraph_errno) {
}
int main() {
igraph_t g;
igraph_vector_t y;
igraph_warning_handler_t* oldwarnhandler;
/* turn on attribute handling */
igraph_i_set_attribute_table(&igraph_cattribute_table);
/* Create a graph, add some attributes and save it as a GraphML file */
igraph_famous(&g, "Petersen");
SETGAS(&g, "name", "Petersen's graph");
SETGAN(&g, "vertices", igraph_vcount(&g));
SETGAN(&g, "edges", igraph_ecount(&g));
SETGAB(&g, "famous", 1);
igraph_vector_init_seq(&y, 1, igraph_vcount(&g));
SETVANV(&g, "id", &y);
igraph_vector_destroy(&y);
SETVAS(&g, "name", 0, "foo");
SETVAS(&g, "name", 1, "foobar");
SETVAB(&g, "is_first", 0, 1);
igraph_vector_init_seq(&y, 1, igraph_ecount(&g));
SETEANV(&g, "id", &y);
igraph_vector_destroy(&y);
SETEAS(&g, "name", 0, "FOO");
SETEAS(&g, "name", 1, "FOOBAR");
SETEAB(&g, "is_first", 0, 1);
/* Turn off the warning handler temporarily because the GML writer will
* print warnings about boolean attributes being converted to numbers, and
* we don't care about these */
oldwarnhandler = igraph_set_warning_handler(null_warning_handler);
igraph_write_graph_gml(&g, stdout, 0, "");
igraph_set_warning_handler(oldwarnhandler);
/* Back to business */
igraph_write_graph_graphml(&g, stdout, /*prefixattr=*/ 1);
igraph_destroy(&g);
return 0;
}
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