2 * Copyright (c) 2021 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.
18 #include "telescope.h"
24 parser_append(struct parser *p, const char *buf, size_t len)
29 newlen = len + p->len;
30 if ((t = calloc(1, newlen)) == NULL)
32 memcpy(t, p->buf, p->len);
33 memcpy(t + p->len, buf, len);
41 parser_set_buf(struct parser *p, const char *buf, size_t len)
53 * p->buf and buf can (and probably almost always will)
57 if ((tmp = calloc(1, len)) == NULL)
59 memcpy(tmp, buf, len);
67 parser_foreach_line(struct parser *p, const char *buf, size_t size,
74 if (!parser_append(p, buf, size))
79 if (!(p->flags & PARSER_IN_BODY) && len < 3)
82 if (!(p->flags & PARSER_IN_BODY)) {
83 p->flags |= PARSER_IN_BODY;
86 * drop the BOM: only UTF-8 is supported, and there
87 * it's useless; some editors may still add one
90 if (memmem(b, len, "\xEF\xBB\xBF", 3) == b) {
96 /* drop every "funny" ASCII character */
97 for (i = 0; i < len; ) {
99 if ((ch >= ' ' || ch == '\n' || ch == '\t')
100 && ch != 127) { /* del */
104 memmove(&b[i], &b[i+1], len - i);
109 if ((e = memmem((char*)b, len, "\n", 1)) == NULL)
126 return parser_set_buf(p, b, len);