104 lines
2.3 KiB
C
104 lines
2.3 KiB
C
/*
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* This file is part of uIRC. (https://git.redxen.eu/caskd/uIRC)
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* Copyright (c) 2019, 2020 Alex-David Denes
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*
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* uIRC is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* uIRC is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with uIRC. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "../types.h" // IRC_Tag
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#include "assemblers.h" // uirc_assembler_tag_*
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#include <assert.h> // assert()
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#include <corelibs/llist.h> // llist_t
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#include <stdio.h> // NULL
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#include <sys/types.h> // size_t ssize_t
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ssize_t
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uirc_assembler_tag(char* buf, const IRC_Tag* t, size_t len)
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{
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assert(t != NULL);
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assert(buf != NULL);
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assert(t->key != NULL);
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const char* const sv = buf;
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int res;
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if (t->clientbound) {
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if (len > 1) {
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*(buf++) = '+';
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len--;
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} else
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return -1;
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}
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if (len < 1) return -1;
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if ((res = snprintf(buf, len, "%s", t->key)) >= 0) {
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buf += (size_t) res;
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len -= (size_t) res;
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} else
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return -1;
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if (t->value != NULL) {
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if (len < 1) return -1;
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if ((res = snprintf(buf, len, "=%s", t->value)) >= 0) {
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buf += (size_t) res;
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len -= (size_t) res;
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} else
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return -1;
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}
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return buf - sv;
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}
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ssize_t
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uirc_assembler_tag_list(char* buf, const llist_t* tl, size_t len)
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{
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assert(tl != NULL);
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assert(buf != NULL);
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const char* const sv = buf;
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for (; tl->content != NULL && ((IRC_Tag*) tl->content)->key != NULL;) {
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if (buf == sv) {
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if (len > 1) {
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*(buf++) = '@';
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len--;
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} else
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return -1;
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} else {
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if (len > 1) {
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*(buf++) = ';';
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len--;
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} else
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return -1;
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}
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ssize_t ret;
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if ((ret = uirc_assembler_tag(buf, tl->content, len)) >= 0) {
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buf += (size_t) ret;
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len -= (size_t) ret;
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} else
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return -1;
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if ((tl = tl->next) == NULL) {
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if (len > 1) {
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*(buf++) = ' ';
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len--;
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} else
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return -1;
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break;
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}
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}
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return buf - sv;
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}
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