2 * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 tp_urlescape(struct template *tp, const char *str)
30 if (iscntrl((unsigned char)*str) ||
31 isspace((unsigned char)*str) ||
32 *str == '\'' || *str == '"' || *str == '\\') {
33 r = snprintf(tmp, sizeof(tmp), "%%%2X", *str);
34 if (r < 0 || (size_t)r >= sizeof(tmp))
36 if (tp->tp_puts(tp, tmp) == -1)
39 if (tp->tp_putc(tp, *str) == -1)
48 tp_htmlescape(struct template *tp, const char *str)
55 r = tp->tp_puts(tp, "<");
58 r = tp->tp_puts(tp, ">");
61 r = tp->tp_puts(tp, "&");
64 r = tp->tp_puts(tp, """);
67 r = tp->tp_puts(tp, "'");
70 r = tp->tp_putc(tp, *str);
82 template(void *arg, tmpl_puts putsfn, tmpl_putc putcfn)
86 if ((tp = calloc(1, sizeof(*tp))) == NULL)
90 tp->tp_escape = tp_htmlescape;
98 template_free(struct template *tp)