2 * This file is part of the sigrok-cli project.
4 * Copyright (C) 2011 Bert Vermeulen <bert@biot.com>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "sigrok-cli.h"
27 struct sr_channel *find_channel(GSList *channellist, const char *channelname)
29 struct sr_channel *ch;
33 for (l = channellist; l; l = l->next) {
35 if (!strcmp(ch->name, channelname))
38 ch = l ? l->data : NULL;
43 GSList *parse_channelstring(struct sr_dev_inst *sdi, const char *channelstring)
45 struct sr_channel *ch;
48 char **tokens, **range, **names, *eptr, str[8];
50 if (!channelstring || !channelstring[0])
51 /* Use all channels by default. */
52 return g_slist_copy(sdi->channels);
58 tokens = g_strsplit(channelstring, ",", 0);
59 for (i = 0; tokens[i]; i++) {
60 if (tokens[i][0] == '\0') {
61 g_critical("Invalid empty channel.");
65 if (strchr(tokens[i], '-')) {
66 /* A range of channels in the form a-b. This will only work
67 * if the channels are named as numbers -- so every channel
68 * in the range must exist as a channel name string in the
70 range = g_strsplit(tokens[i], "-", 2);
71 if (!range[0] || !range[1] || range[2]) {
72 /* Need exactly two arguments. */
73 g_critical("Invalid channel syntax '%s'.", tokens[i]);
78 b = strtol(range[0], &eptr, 10);
79 if (eptr == range[0] || *eptr != '\0') {
80 g_critical("Invalid channel '%s'.", range[0]);
84 e = strtol(range[1], NULL, 10);
85 if (eptr == range[1] || *eptr != '\0') {
86 g_critical("Invalid channel '%s'.", range[1]);
90 if (b < 0 || b >= e) {
91 g_critical("Invalid channel range '%s'.", tokens[i]);
97 n = snprintf(str, 8, "%d", b);
99 g_critical("Invalid channel '%d'.", b);
103 ch = find_channel(sdi->channels, str);
105 g_critical("unknown channel '%d'.", b);
109 channellist = g_slist_append(channellist, ch);
119 names = g_strsplit(tokens[i], "=", 2);
120 if (!names[0] || (names[1] && names[2])) {
121 /* Need one or two arguments. */
122 g_critical("Invalid channel '%s'.", tokens[i]);
128 ch = find_channel(sdi->channels, names[0]);
130 g_critical("unknown channel '%s'.", names[0]);
136 /* Rename channel. */
138 ch->name = g_strdup(names[1]);
140 channellist = g_slist_append(channellist, ch);
147 g_slist_free(channellist);
156 GHashTable *parse_generic_arg(const char *arg, gboolean sep_first)
166 hash = g_hash_table_new_full(g_str_hash, g_str_equal,
168 elements = g_strsplit(arg, ":", 0);
170 g_hash_table_insert(hash, g_strdup("sigrok_key"),
171 g_strdup(elements[i++]));
172 for (; elements[i]; i++) {
173 e = strchr(elements[i], '=');
175 g_hash_table_insert(hash, g_strdup(elements[i]), NULL);
178 g_hash_table_insert(hash, g_strdup(elements[i]), g_strdup(e));
181 g_strfreev(elements);
186 static char *strcanon(const char *str)
191 /* Returns newly allocated string. */
192 s = g_ascii_strdown(str, -1);
193 for (p0 = p1 = 0; str[p0]; p0++) {
194 if ((s[p0] >= 'a' && s[p0] <= 'z')
195 || (s[p0] >= '0' && s[p0] <= '9'))
203 int canon_cmp(const char *str1, const char *str2)
210 ret = g_ascii_strcasecmp(s1, s2);