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/*
* Eukleides version 0.9.2
* Copyright (c) Christian Obrecht 2000-2002
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <stdlib.h>
char *buffer;
int filter = 0, lineno = 1, first = 1, inputmode = 1;
extern int yyparse (void);
void usage (int code)
{
printf
("Usage is:\n\teukleides [ -v | -h ]\n\teukleides [ -f ] <filename>\n"
"Options:\n\t-v\tPrint version number.\n\t-h\tPrint this help.\n"
"\t-f\tRun as a filter.\nSee man page for more informations.\n");
exit (code);
}
void version (void)
{
printf ("This is eukleides version 0.9.2\n"
"Copyright (c) Christian Obrecht 2000-2002\n");
exit (0);
}
void warning (char *msg)
{
fprintf (stderr, "Warning at line %i: %s\n", lineno, msg);
}
void yyerror (char *msg)
{
fprintf (stderr, "Error at line %i: %s\n", lineno, msg);
exit (1);
}
void parser (char *file_name)
{
FILE *file;
int size, number, file_length;
file = fopen (file_name, "r");
if (!file) {
fprintf (stderr, "Could not open %s\n", file_name);
exit (1);
}
file_length = 0;
size = 1024;
number = 1024;
buffer = (char *) malloc (size);
while (number == 1024) {
number = fread (buffer + file_length, 1, 1024, file);
file_length += number;
if (size == file_length) {
size *= 2;
buffer = (char *) realloc (buffer, size);
}
}
fclose (file);
if (!filter)
printf ("%% Generated by eukleides 0.9.2\n"
"\\psset{linecolor=black, linewidth=.5pt, arrowsize=2pt 4}\n");
yyparse ();
if (!filter)
printf ("\\endpspicture\n");
exit (0);
}
int main (int argc, char **argv)
{
switch (argc)
{
case 1:
usage (0);
case 2:
if (argv[1][0] == '-') {
if (argv[1][1] == 'v')
version ();
else if (argv[1][1] == 'h')
usage (0);
else
usage (1);
}
else
parser (argv[1]);
case 3:
if ((argv[1][0] == '-') && (argv[1][1] == 'f')) {
filter = 1;
inputmode = 0;
parser (argv[2]);
}
else
usage (1);
default:
usage (1);
}
return 0;
}
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