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author | June McEnroe <june@causal.agency> | 2018-08-10 23:31:20 -0400 |
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committer | June McEnroe <june@causal.agency> | 2018-08-10 23:31:20 -0400 |
commit | 07c750d25cf26883507d46bf319e55d2e35d6a94 (patch) | |
tree | dcf7dbc50dd717a1190c2f034ff440badf5a525c /tag.c | |
parent | Move process spawning onto the event loop (diff) | |
download | test-07c750d25cf26883507d46bf319e55d2e35d6a94.tar.gz test-07c750d25cf26883507d46bf319e55d2e35d6a94.zip |
Become multi-channel
There's a lot of UI missing for it, but it technically works.
Diffstat (limited to 'tag.c')
-rw-r--r-- | tag.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tag.c b/tag.c new file mode 100644 index 0000000..014e84c --- /dev/null +++ b/tag.c @@ -0,0 +1,77 @@ +/* Copyright (C) 2018 Curtis McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> + +#include "chat.h" + +const struct Tag TAG_ALL = { (size_t)-1, NULL }; +const struct Tag TAG_DEFAULT = { 0, "(status)" }; + +static struct { + char *name[TAGS_LEN]; + size_t len; + size_t gap; +} tags = { + .name = { "(status)" }, + .len = 1, + .gap = 1, +}; + +static struct Tag Tag(size_t id) { + return (struct Tag) { id, tags.name[id] }; +} + +struct Tag tagName(const char *name) { + for (size_t id = 0; id < tags.len; ++id) { + if (!tags.name[id] || strcmp(tags.name[id], name)) continue; + return Tag(id); + } + return TAG_ALL; +} + +struct Tag tagNum(size_t num) { + if (num < tags.gap) return Tag(num); + num -= tags.gap; + for (size_t id = tags.gap; id < tags.len; ++id) { + if (!tags.name[id]) continue; + if (!num--) return Tag(id); + } + return TAG_ALL; +} + +struct Tag tagFor(const char *name) { + struct Tag tag = tagName(name); + if (tag.name) return tag; + + size_t id = tags.gap; + tags.name[id] = strdup(name); + if (!tags.name[id]) err(EX_OSERR, "strdup"); + + if (tags.gap == tags.len) { + tags.gap++; + tags.len++; + } else { + for (tags.gap++; tags.gap < tags.len; ++tags.gap) { + if (!tags.name[tags.gap]) break; + } + } + + return Tag(id); +} |