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#include "cfg.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define BUFSIZE (1024)
void arcs2dot(char* vdfile, char* arcfile, char* dotfile)
{
char buffer[BUFSIZE];
FILE* dotf = strcmp(dotfile,"-") ? fopen(dotfile, "w") : stdout;
fprintf(dotf, "digraph Bene {\n");
fprintf(dotf, " /*@@@BEFORE_ALL@@@*/\n");
{/* read vdfile to get names of variables */
FILE* vdf = fopen(vdfile, "r");
int v;
fprintf(dotf, " /*@@@BEFORE_NODES@@@*/\n");
for(v=0; NULL != fgets(buffer, BUFSIZE, vdf); ++v){
char* token = strtok(buffer, "\t\r\n");
fprintf(dotf, " V%d [label=\"%s\" /*@@@NODE_ATTS@@@*/];\n", v, token);
}
fprintf(dotf, " /*@@@AFTER_NODES@@@*/\n");
fclose(vdf);
}
{
int from, to;
FILE* arcf = strcmp(arcfile,"-") ? fopen(arcfile, "r") : stdin;
fprintf(dotf, " /*@@@BEFORE_EDGES@@@*/\n");
while(2 == fscanf(arcf, "%d %d", &from, &to)){
fprintf(dotf, " V%d -> V%d /*@@@EDGE_ATTS@@@*/;\n", from, to);
}
fprintf(dotf, " /*@@@AFTER_EDGES@@@*/\n");
fclose(arcf);
}
fprintf(dotf, " /*@@@AFTER_ALL@@@*/\n");
fprintf(dotf, "}\n");
fclose(dotf);
}
int main(int argc, char* argv[])
{
if (argc!=4) {
fprintf(stderr, "Usage: arcs2dot vdfile arcfile dotfile\n");
return 1;
}
arcs2dot(argv[1], argv[2], argv[3]);
return 0;
}
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