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Code

eeshow/main.c: eeshow -S <file parses S-exprs and dumps to stdout

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This commit is contained in:
Werner Almesberger 2016-08-22 01:12:21 -03:00
parent 12f66ec47e
commit 0caae88fa9
1 changed files with 24 additions and 2 deletions
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26
eeshow/main.c
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@ -26,6 +26,7 @@
#include "gfx/diff.h"
#include "gfx/gfx.h"
#include "file/file.h"
#include "kicad/sexpr.h"
#include "kicad/lib.h"
#include "kicad/sch.h"
#include "gui/fmt-pango.h"
@ -43,6 +44,22 @@ static struct gfx_ops const *ops_list[] = {
};
static void sexpr(void)
{
struct sexpr_ctx *parser = sexpr_new();
struct expr *expr;
char *buf = NULL;
size_t n = 0;
while (getline(&buf, &n, stdin) > 0)
sexpr_parse(parser, buf);
if (sexpr_finish(parser, &expr))
dump_expr(expr);
else
exit(1);
}
void usage(const char *name)
{
fprintf(stderr,
@ -51,6 +68,7 @@ void usage(const char *name)
" %*s[-- driver_spec]\n"
" %s [-v ...] -C [rev:]file\n"
" %s [-v ...] -H path_into_repo\n"
" %s -S\n"
" %s -V\n"
" %s gdb ...\n"
"\n"
@ -60,6 +78,7 @@ void usage(const char *name)
" -C 'cat' the file to standard output\n"
" -H show history of repository on standard output\n"
" -N n limit history to n revisions (unlimited if omitted or 0)\n"
" -S parse S-expressions from stdin and dump to stdout\n"
" -V print revision (version) number and exit\n"
" gdb run eeshow under gdb\n"
"\n"
@ -87,7 +106,7 @@ void usage(const char *name)
" diff [-o output.pdf] [-s scale] [file.lib ...] file.sch\n"
"\n"
" see PNG\n"
, name, name, (int) strlen(name) + 1, "", name, name, name, name);
, name, name, (int) strlen(name) + 1, "", name, name, name, name, name);
exit(1);
}
@ -131,7 +150,7 @@ int main(int argc, char **argv)
if (!have_dashdash)
gtk_init(&argc, &argv);
while ((c = getopt(dashdash, argv, "rvC:F:H:N:V")) != EOF)
while ((c = getopt(dashdash, argv, "rvC:F:H:N:SV")) != EOF)
switch (c) {
case 'r':
recurse = 1;
@ -151,6 +170,9 @@ int main(int argc, char **argv)
case 'N':
limit = atoi(optarg);
break;
case 'S':
sexpr();
return 0;
case 'V':
fprintf(stderr, "%s\n", version);
return 1;