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// Copyright (c) 2010 Gregoire Lejeune <gregoire.lejeune@free.fr>
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Usage :
// gvpr -f dot2ruby.g [-a <output type>] <dot script>
BEGIN {
int g_strict; int g_direct;
graph_t cluster;
node_t cnode;
edge_t cedge;
string attr; string attrv;
graph_t subgraph; graph_t pgraph;
graph_t ofgraph;
graph_t sub_graph;
graph_t tmp_g;
string xOut;
if( ARGC == 0 ) {
xOut = "_";
} else {
xOut = tolower(ARGV[0]);
}
printf( "# This code was generated by dot2ruby.g\n\n" );
string rubyfy( string s ) {
string out;
out = tolower( s );
out = gsub( out, "[!a-zA-Z0-9_]", "_" );
return( out );
}
string stringify( string s ) {
string sout;
sout = gsub(s, "\"", "\\\"");
sout = gsub(sout, "@", "\\@");
sout = gsub(sout, "$", "\\$");
return( sout );
}
void load_sub_graph( graph_t p ) {
if(p == NULL) {
return;
}
sub_graph = fstsubg(p);
while( sub_graph != NULL ) {
pgraph = sub_graph.parent;
printf ( " graph_%s = graph_%s.add_graph( \"%s\" )\n", rubyfy(sub_graph.name), rubyfy(pgraph.name), rubyfy(sub_graph.name) );
// ATTRS
attr = fstAttr(sub_graph, "G");
while( attr != "" ) {
attrv = aget( sub_graph, attr );
if( attrv != "" ) {
printf( " graph_%s[:%s] = '%s'\n", rubyfy(sub_graph.name), attr, attrv );
}
attr = nxtAttr( sub_graph, "G", attr );
}
tmp_g = sub_graph;
load_sub_graph(sub_graph);
sub_graph = nxtsubg( tmp_g );
}
}
graph_t get_node_graph(node_t n, graph_t p) {
sub_graph = fstsubg(p);
while( sub_graph != NULL ) {
if( isSubnode( sub_graph, n) != 0 ) {
return get_node_graph(n, sub_graph);
}
sub_graph = nxtsubg( sub_graph );
}
return p;
}
graph_t get_edge_graph(edge_t e, graph_t p) {
sub_graph = fstsubg(p);
while( sub_graph != NULL ) {
if( isSubedge( sub_graph, e) != 0 ) {
return get_edge_graph(e, sub_graph);
}
sub_graph = nxtsubg( sub_graph );
}
return p;
}
}
BEG_G {
printf( "require 'rubygems'\nrequire 'graphviz'\n");
// Directed
g_direct = isDirect($);
if( g_direct == 0 ) {
printf( "graph_%s = GraphViz.graph( \"%s\"", rubyfy($.name), stringify($.name) );
} else {
printf( "graph_%s = GraphViz.digraph( \"%s\"", rubyfy($.name), stringify($.name) );
}
// Strict
g_strict = isStrict($);
if( g_strict != 0 ) {
printf( ", :strict => true" );
}
printf( " ) { |graph_%s|\n", rubyfy($.name) );
// Attributs of G
attr = fstAttr($, "G");
while( attr != "" ) {
attrv = aget( $, attr );
if( attrv != "" ) {
printf( " graph_%s[:%s] = '%s'\n", rubyfy($.name), attr, attrv );
}
attr = nxtAttr( $, "G", attr );
}
load_sub_graph($);
}
N {
pgraph = $.root;
ofgraph = get_node_graph($, pgraph);
printf( " node_%s = graph_%s.add_nodes( \"%s\"", rubyfy($.name), rubyfy(ofgraph.name), stringify($.name) );
// Attributs of N
attr = fstAttr($G, "N");
while( attr != "" ) {
attrv = aget( $, attr );
if( attrv != "" ) {
printf( ", :%s => '%s'", attr, gsub( attrv, "'", "\\'" ) );
} else {
printf( ", :%s => ''", attr );
}
attr = nxtAttr( $G, "N", attr );
}
printf( " )\n");
}
E {
pgraph = $.root;
ofgraph = get_edge_graph($, $.root);
printf( " graph_%s.add_edges( \"%s\", \"%s\"", rubyfy(ofgraph.name), stringify($.tail.name), stringify($.head.name) );
// Attributs of E
attr = fstAttr($G, "E");
while( attr != "" ) {
attrv = aget( $, attr );
if( attrv != "" ) {
printf( ", :%s => '%s'", attr, gsub( attrv, "'", "\\'" ) );
} else {
printf( ", :%s => ''", attr );
}
attr = nxtAttr( $G, "E", attr );
}
printf( " )\n" );
}
END_G {
printf( "}\n" );
if( xOut != "_" ) {
if( xOut == "-" ) {
printf( "@_graph_eval = graph_%s\n", rubyfy($.name) );
} else {
printf( "graph_%s.output( :%s => \"%s.%s\" )\n", rubyfy($.name), xOut, gsub($F, ".*/", ""), xOut );
}
}
}
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