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sch2fig/: new option -C file to "cat" a file (also works with git)

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This provides quick access to the git-file mechanism.
This commit is contained in:
Werner Almesberger 2016-08-02 09:07:00 -03:00
parent 7cfb2d72be
commit 77ac119136
3 changed files with 24 additions and 4 deletions
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7
sch2fig/file.c
View File

@ -21,6 +21,13 @@
#include "file.h"
bool file_cat(void *user, const char *line)
{
printf("%s", line);
return 1;
}
static void read_from_file(FILE *file,
bool (*parse)(void *user, const char *line), void *user)
{

2
sch2fig/file.h
View File

@ -15,7 +15,7 @@
#include <stdbool.h>
bool file_cat(void *user, const char *line);
void file_read(const char *name, bool (*parse)(void *user, const char *line),
void *user);

19
sch2fig/main.c
View File

@ -22,6 +22,7 @@
#include "cro.h"
#include "diff.h"
#include "gfx.h"
#include "file.h"
#include "lib.h"
#include "sch.h"
#include "main.h"
@ -41,7 +42,8 @@ static struct gfx_ops const *ops_list[] = {
void usage(const char *name)
{
fprintf(stderr,
"usage: %s [-r] [-v ...] [file.lib ...] file.sch -- driver_spec\n\n"
"usage: %s [-r] [-v ...] [file.lib ...] file.sch -- driver_spec\n"
" %s [-v ...] -C file\n\n"
" FIG driver spec:\n"
" fig [-t template.fig] [var=value ...]\n"
" Cairo PNG driver spec:\n"
@ -50,7 +52,7 @@ void usage(const char *name)
" pdf [-o output.pdf] [-s scale]\n"
" Diff driver spec:\n"
" diff [-o output.pdf] [-s scale] [file.lib ...] file.sch\n"
, name);
, name, name);
exit(1);
}
@ -60,6 +62,7 @@ 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;
@ -70,7 +73,7 @@ int main(int argc, char *const *argv)
if (!strcmp(argv[dashdash], "--"))
break;
while ((c = getopt(dashdash, argv, "rv")) != EOF)
while ((c = getopt(dashdash, argv, "rvC:")) != EOF)
switch (c) {
case 'r':
recurse = 1;
@ -78,10 +81,20 @@ int main(int argc, char *const *argv)
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);