/*
 * genex.c - Generate expanded component view
 *
 * Copyright 2012 by Werner Almesberger
 *
 * 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.
 */


#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>

#include "comp.h"
#include "libs.h"
#include "pdf.h"


static void usage(const char *name)
{
	fprintf(stderr,
"usage: %s [-d] [-p] [-P] [-L libdir ...] [-l lib ...] hierarchy\n"
"       %*s [descriptions ...]\n\n"
"  -d         dump the tree instead of generating a PDF\n"
"  -L libdir  search all libraries in the specified directory\n"
"  -l lib     search the specified component library\n"
"  -p         use portrait orientation; default: landscape\n"
"  -P         generate Postscript instead of PDF (mainly for debugging)\n"
    , name, (int) strlen(name), "");
	exit(1);
}


int main(int argc, char **argv)
{
	FILE *file;
	int c;
	int dump = 0, postscript = 0, portrait = 0;
	char **arg;

	while ((c = getopt(argc, argv, "dL:l:Pp")) != EOF)
		switch (c) {
		case 'd':
			dump = 1;
			break;
		case 'L':
			add_libdir(optarg);
			break;
		case 'l':
			add_lib(optarg);
			break;
		case 'P':
			postscript = 1;
			break;
		case 'p':
			portrait = 1;
			break;
		default:
			usage(*argv);
		}

	switch (argc-optind) {
	case 1:
	case 2:
		break;
	default:
		usage(*argv);
	}

	file = fopen(argv[optind], "r");
	if (!file) {
		perror(argv[optind]);
		exit(1);
	}
	read_tree(file);
	fclose(file);
	set_libs(tree, lookup_sym);

	for (arg = argv+optind+1; *arg; arg++) {
		file = fopen(*arg, "r");
		if (!file) {
			perror(*arg);
			exit(1);
		}
		read_desc(file);
		fclose(file);
	}
	if (dump)
		dump_tree();
	else
		make_pdf(!postscript, portrait);
	return 0;
}