From 07c750d25cf26883507d46bf319e55d2e35d6a94 Mon Sep 17 00:00:00 2001 From: Curtis McEnroe Date: Fri, 10 Aug 2018 23:31:20 -0400 Subject: Become multi-channel There's a lot of UI missing for it, but it technically works. --- tag.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 tag.c (limited to 'tag.c') 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 + * + * 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 . + */ + +#include +#include +#include +#include + +#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); +} -- cgit 1.4.1