Blob
Date:
Sun Apr 24 12:24:18 2022 UTC
Message:
replace has_prefix with strncmp
/*
* Copyright (c) 2021 Omar Polo <op@omarpolo.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "compat.h"
#include <ctype.h>
#include <fnmatch.h>
#include <string.h>
#include "parser.h"
#include "telescope.h"
#include "utils.h"
static int check_for_utf8(char*);
static const struct parser_table {
const char *mediatype;
void (*parserinit)(struct parser*);
} ptable[] = {
{ "text/gemini", gemtext_initparser },
{ "text/x-patch", textpatch_initparser },
{ "text/x-diff", textpatch_initparser },
{ "application/x-patch",textpatch_initparser },
{ "text/*", textplain_initparser },
{ NULL, NULL}
};
static int
check_for_utf8(char *b)
{
for (;;) {
while (*b != '\0' && isspace(*b))
b++;
if (*b == '\0')
break;
if (strncmp(b, "charset=", 8) != 0) {
while (*b != '\0' && *b != ';')
b++;
if (*b == '\0')
break;
b++;
continue;
}
/* is charset= */
b += strlen("charset=");
/* TODO: improve the matching */
return !strncmp(b, "ASCII", 5) || !strncmp(b, "ascii", 5) ||
!strncmp(b, "UTF-8", 5) || !strncmp(b, "utf-8", 5);
}
return 1;
}
int
setup_parser_for(struct tab *tab)
{
char *b, buf[GEMINI_URL_LEN] = {0};
const struct parser_table *t;
memcpy(buf, tab->meta, sizeof(tab->meta));
for (b = buf; *b != ';' && *b != '\0'; ++b)
;
if (*b == ';') {
*b = '\0';
++b;
}
if (!check_for_utf8(b))
return 0;
for (t = ptable; t->mediatype != NULL; ++t) {
if (!fnmatch(t->mediatype, buf, 0)) {
parser_init(tab, t->parserinit);
return 1;
}
}
return 0;
}
Omar Polo