2 191b4ca2 2021-03-12 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
4 191b4ca2 2021-03-12 op * Permission to use, copy, modify, and distribute this software for any
5 191b4ca2 2021-03-12 op * purpose with or without fee is hereby granted, provided that the above
6 191b4ca2 2021-03-12 op * copyright notice and this permission notice appear in all copies.
8 191b4ca2 2021-03-12 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 191b4ca2 2021-03-12 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 191b4ca2 2021-03-12 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 191b4ca2 2021-03-12 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 191b4ca2 2021-03-12 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 191b4ca2 2021-03-12 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 191b4ca2 2021-03-12 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 191b4ca2 2021-03-12 op #include "telescope.h"
19 191b4ca2 2021-03-12 op #include <stdlib.h>
20 191b4ca2 2021-03-12 op #include <string.h>
23 191b4ca2 2021-03-12 op parser_append(struct parser *p, const char *buf, size_t len)
25 191b4ca2 2021-03-12 op size_t newlen;
28 191b4ca2 2021-03-12 op newlen = len + p->len;
29 191b4ca2 2021-03-12 op if ((t = calloc(1, newlen)) == NULL)
31 191b4ca2 2021-03-12 op memcpy(t, p->buf, p->len);
32 191b4ca2 2021-03-12 op memcpy(t + p->len, buf, len);
35 191b4ca2 2021-03-12 op p->len = newlen;
40 191b4ca2 2021-03-12 op parser_set_buf(struct parser *p, const char *buf, size_t len)
44 191b4ca2 2021-03-12 op if (len == 0) {
47 20107775 2021-03-19 op p->buf = NULL;
51 20107775 2021-03-19 op /* p->buf and buf can (and probably almost always will)
54 20107775 2021-03-19 op if ((tmp = calloc(1, len)) == NULL)
56 20107775 2021-03-19 op memcpy(tmp, buf, len);
64 a5845bb5 2021-03-20 op parser_foreach_line(struct parser *p, const char *buf, size_t size,
65 a5845bb5 2021-03-20 op parsechunkfn fn)
68 31aa9f59 2021-03-20 op unsigned int ch;
69 31aa9f59 2021-03-20 op size_t i, l, len;
71 31aa9f59 2021-03-20 op if (!parser_append(p, buf, size))
76 31aa9f59 2021-03-20 op /* drop every "funny" ASCII character */
77 31aa9f59 2021-03-20 op for (i = 0; i < len; ) {
79 31aa9f59 2021-03-20 op if ((ch >= ' ' || ch == '\n' || ch == '\t')
80 31aa9f59 2021-03-20 op && ch != 127) { /* del */
84 31aa9f59 2021-03-20 op memmove(&b[i], &b[i+1], len - i);
88 a5845bb5 2021-03-20 op while (len > 0) {
89 a5845bb5 2021-03-20 op if ((e = memmem((char*)b, len, "\n", 1)) == NULL)
93 a5845bb5 2021-03-20 op if (!fn(p, b, l))
99 a5845bb5 2021-03-20 op if (len > 0) {
100 a5845bb5 2021-03-20 op /* skip \n */
106 a5845bb5 2021-03-20 op return parser_set_buf(p, b, len);