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eda-tools/eeshow/main.c

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2016-08-02 17:00:08 +03:00
/*
* main.c - Convert Eeschema schematics to FIG
*
* Written 2016 by Werner Almesberger
* Copyright 2016 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 <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "util.h"
#include "fig.h"
#include "cro.h"
#include "diff.h"
#include "gfx.h"
#include "file.h"
#include "lib.h"
#include "sch.h"
#include "main.h"
int verbose = 0;
static struct gfx_ops const *ops_list[] = {
&fig_ops,
&cro_png_ops,
&cro_pdf_ops,
&diff_ops,
};
void usage(const char *name)
{
fprintf(stderr,
"usage: %s [-r] [-v ...] [[rev:]file.lib ...] [rev:]file.sch\n"
" %*s-- driver_spec\n"
" %s [-v ...] -C [rev:]file\n"
"\n"
" rev git revision\n"
" -r recurse into sub-sheets\n"
" -v increase verbosity of diagnostic output\n"
" -C 'cat' the file to standard output\n"
"\n"
"FIG driver spec:\n"
" fig [-t template.fig] [var=value ...]\n"
"\n"
" var=value substitute \"<var>\" with \"value\" in template\n"
" -t template.fig merge this file with generated output\n"
"\n"
"Cairo PNG driver spec:\n"
" png [-o output.png] [-s scale]\n"
"\n"
" -o output.png write PNG to specified file (default; standard output)\n"
2016-08-02 17:00:08 +03:00
" -s scale scale by indicated factor (default: 1.0)\n"
"\n"
"Cairo PDF driver spec:\n"
" pdf [-o output.pdf] [-s scale]\n"
"\n"
" see PNG\n"
"\n"
"Diff driver spec:\n"
" diff [-o output.pdf] [-s scale] [file.lib ...] file.sch\n"
"\n"
" see PNG\n"
, name, (int) strlen(name) + 1, "", name);
exit(1);
}
int main(int argc, char *const *argv)
{
struct lib lib;
struct sch_ctx sch_ctx;
bool recurse = 0;
const char *cat = NULL;
char c;
int arg, dashdash;
int gfx_argc;
char **gfx_argv;
const struct gfx_ops **ops = ops_list;
for (dashdash = 1; dashdash != argc; dashdash++)
if (!strcmp(argv[dashdash], "--"))
break;
while ((c = getopt(dashdash, argv, "rvC:")) != EOF)
switch (c) {
case 'r':
recurse = 1;
break;
case 'v':
verbose++;
break;
case 'C':
cat = optarg;
break;
default:
usage(*argv);
}
if (cat) {
if (argc != optind)
usage(*argv);
file_read(cat, file_cat, NULL);
return 0;
}
if (dashdash - optind < 1)
usage(*argv);
lib_init(&lib);
for (arg = optind; arg != dashdash - 1; arg++)
lib_parse(&lib, argv[arg]);
if (dashdash == argc) {
gfx_argc = 1;
gfx_argv = alloc_size(sizeof(const char *) * 2);
gfx_argv[0] = (char *) (*ops)->name;
gfx_argv[1] = NULL;
} else {
gfx_argc = argc - dashdash - 1;
if (!gfx_argc)
usage(*argv);
gfx_argv = alloc_size(sizeof(const char *) * (gfx_argc + 1));
memcpy(gfx_argv, argv + dashdash + 1,
sizeof(const char *) * (gfx_argc + 1));
for (ops = ops_list; ops != ARRAY_END(ops_list); ops++)
if (!strcmp((*ops)->name, *gfx_argv))
goto found;
fprintf(stderr, "graphics backend \"%s\" not found\n",
*gfx_argv);
exit(1);
found:
;
}
optind = 0; /* reset getopt */
sch_init(&sch_ctx, recurse);
sch_parse(&sch_ctx, argv[dashdash - 1], &lib);
gfx_init(*ops, gfx_argc, gfx_argv);
if (recurse) {
const struct sheet *sheet;
if (!gfx_multi_sheet()) {
fprintf(stderr,
"graphics backend only supports single sheet\n");
exit(1);
}
for (sheet = sch_ctx.sheets; sheet; sheet = sheet->next) {
sch_render(sheet);
if (sheet->next)
gfx_new_sheet();
}
} else {
sch_render(sch_ctx.sheets);
}
gfx_end();
return 0;
}