femsci/toilet
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* Use "-F list" to list available filters.

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* Use "-E" to specify export format, "-E list" to list them.
This commit is contained in:
Sam Hocevar 2006-11-10 07:47:17 +00:00 committed by sam
parent 419adf3cc5
commit 93a52058e0
3 changed files with 56 additions and 19 deletions
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24
src/filter.c
View file

@ -39,17 +39,29 @@ struct
{
char const *name;
void (*function)(context_t *);
char const *description;
}
const lookup[] =
{
{ "crop", filter_crop },
{ "gay", filter_gay },
{ "metal", filter_metal },
{ "flip", filter_flip },
{ "flop", filter_flop },
{ "rotate", filter_rotate },
{ "crop", filter_crop, "crop unused blanks" },
{ "gay", filter_gay, "add a rainbow colour effect" },
{ "metal", filter_metal, "add a metallic colour effect" },
{ "flip", filter_flip, "flip horizontally" },
{ "flop", filter_flop, "flip vertically" },
{ "rotate", filter_rotate, "perform a 180 degrees rotation" },
};
int filter_list(void)
{
int i;
fprintf(stderr, "Available filters:\n");
for(i = 0; i < sizeof(lookup) / sizeof(lookup[0]); i++)
fprintf(stderr, "\"%s\": %s\n", lookup[i].name, lookup[i].description);
return 0;
}
int filter_add(context_t *cx, char const *filter)
{
unsigned int n;

1
src/filter.h
View file

@ -15,6 +15,7 @@
* This header defines post-processing filter functions.
*/
extern int filter_list(void);
extern int filter_add(context_t *, char const *);
extern int filter_do(context_t *);
extern int filter_end(context_t *);

50
src/main.c
View file

@ -28,6 +28,7 @@
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cucul.h>
#include "toilet.h"
@ -38,6 +39,7 @@ static void version(void);
#if defined(HAVE_GETOPT_H)
static void usage(void);
#endif
static int export_list(void);
int main(int argc, char *argv[])
{
@ -71,20 +73,20 @@ int main(int argc, char *argv[])
{ "filter", 1, NULL, 'F' },
{ "gay", 0, NULL, 130 },
{ "metal", 0, NULL, 131 },
{ "export", 1, NULL, 'E' },
{ "irc", 0, NULL, 140 },
{ "html", 0, NULL, 141 },
{ "tga", 0, NULL, 142 },
{ "help", 0, NULL, 'h' },
{ "infocode", 1, NULL, 'I' },
{ "version", 0, NULL, 'v' },
{ NULL, 0, NULL, 0 }
};
int c = getopt_long(argc, argv, "f:d:w:tF:hI:v",
int c = getopt_long(argc, argv, "f:d:w:tF:E:hI:v",
long_options, &option_index);
# else
# define MOREINFO "Try `%s -h' for more information.\n"
int c = getopt(argc, argv, "f:d:w:tF:hI:v");
int c = getopt(argc, argv, "f:d:w:tF:E:hI:v");
# endif
if(c == -1)
break;
@ -107,7 +109,9 @@ int main(int argc, char *argv[])
cx->dir = optarg;
break;
case 'F': /* --filter */
if(filter_add(cx, optarg))
if(!strcmp(optarg, "list"))
return filter_list();
if(filter_add(cx, optarg) < 0)
return -1;
break;
case 130: /* --gay */
@ -131,15 +135,17 @@ int main(int argc, char *argv[])
#endif
break;
}
case 'E': /* --export */
if(!strcmp(optarg, "list"))
return export_list();
cx->export = optarg;
break;
case 140: /* --irc */
cx->export = "irc";
break;
case 141: /* --html */
cx->export = "html";
break;
case 142: /* --tga */
cx->export = "tga";
break;
case '?':
printf(MOREINFO, argv[0]);
return 1;
@ -195,7 +201,7 @@ int main(int argc, char *argv[])
# define USAGE \
"Usage: toilet [ -htv ] [ -d fontdirectory ]\n" \
" [ -f fontfile ] [ -F filter ] [ -w outputwidth ]\n" \
" [ -I infocode ] [ message ]\n"
" [ -I infocode ] [ -E format ] [ message ]\n"
#else
# define USAGE ""
#endif
@ -227,12 +233,14 @@ static void usage(void)
printf(" -d, --directory <dir> specify font directory\n");
printf(" -w, --width <width> set output width\n");
printf(" -t, --termwidth adapt to terminal's width\n");
printf(" -F, --filter <name> apply one or several filters to the text\n");
printf(" -F, --filter <filters> apply one or several filters to the text\n");
printf(" -F, --filter list list available filters\n");
printf(" --gay rainbow filter (same as -F gay)\n");
printf(" --metal metal filter (same as -F metal)\n");
printf(" --irc output IRC colour codes\n");
printf(" --html output an HTML document\n");
printf(" --tga output a TGA image\n");
printf(" -E, --export <format> select export format\n");
printf(" -E, --export list list available export formats\n");
printf(" --irc output IRC colour codes (same as -E irc)\n");
printf(" --html output an HTML document (same as -E html)\n");
printf(" -h, --help display this help and exit\n");
printf(" -I, --infocode <code> print FIGlet-compatible infocode\n");
printf(" -v, --version output version information and exit\n");
@ -241,7 +249,10 @@ static void usage(void)
printf(" -d <dir> specify font directory\n");
printf(" -w <width> set output width\n");
printf(" -t adapt to terminal's width\n");
printf(" -F <name> apply one or several filters to the text\n");
printf(" -F <filters> apply one or several filters to the text\n");
printf(" -F list list available filters\n");
printf(" -E <format> select export format\n");
printf(" -E list list available export formats\n");
printf(" -h display this help and exit\n");
printf(" -I <code> print FIGlet-compatible infocode\n");
printf(" -v output version information and exit\n");
@ -249,3 +260,16 @@ static void usage(void)
}
#endif
static int export_list(void)
{
char const * const * exports, * const * p;
exports = cucul_get_export_list();
printf("Available export formats:\n");
for(p = exports; *p; p += 2)
printf("\"%s\": %s\n", *p, *(p + 1));
return 0;
}