110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/*
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* This file is part of uIRC. (https://git.redxen.eu/caskd/uIRC)
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* Copyright (c) 2019-2021 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 "uirc/error.h" // uirc_errno
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#include "uirc/memory.h" // Free_IRC_Tag()
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#include "uirc/tokenizer.h" // uirc_tokenizer_tags()
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#include "uirc/type.h" // IRC_Tag
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#include <assert.h> // assert()
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#include <corelibs/llist.h> // llist_elem_alloc() llist_elem_conn() llist_elem_rm()
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#include <corelibs/stringext.h> // stringext_strmalloc()
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#include <stdbool.h> // true
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#include <stdlib.h> // free()
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#include <string.h> // strchr()
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llist_t*
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uirc_tokenizer_tag_list(const char* str)
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{
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assert(str != NULL);
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llist_t* l = NULL;
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char* ws = NULL;
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if ((ws = stringext_strmalloc(str, strlen(str))) == NULL) {
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uirc_errno = UIRC_ERR_SYSERR;
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goto cleanup;
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}
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char * p = ws, *tmp;
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llist_t* pl = NULL;
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while ((tmp = stringext_strtok_mr(&p, ";")) != NULL) {
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IRC_Tag* t;
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if ((t = uirc_tokenizer_tag(tmp)) == NULL) goto cleanup;
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if (l == NULL) {
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l = pl = uirc_list_append(NULL, t);
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} else {
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// Append tag to previous list element and then set previous list element to current to use it in next loop
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pl = uirc_list_append(pl, t);
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}
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}
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free(ws);
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return l;
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cleanup:
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if (l != NULL) uirc_list_free(l, IRC_STRUCT_TAG);
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return NULL;
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}
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IRC_Tag*
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uirc_tokenizer_tag(const char* str)
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{
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assert(str != NULL);
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char* ws = NULL;
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IRC_Tag* t = NULL;
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if ((ws = stringext_strmalloc(str, strlen(str))) == NULL) {
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uirc_errno = UIRC_ERR_SYSERR;
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goto cleanup;
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}
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if ((t = malloc(sizeof(*t))) == NULL) {
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uirc_errno = UIRC_ERR_SYSERR;
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goto cleanup;
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}
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memset(t, 0, sizeof(*t));
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char* ckey = ws;
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if (*ws == '+') {
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ckey++;
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t->clientbound = true;
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}
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char* cval = strchr(ckey, '=');
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if (cval != NULL) {
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*(cval++) = '\0';
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if ((t->value = stringext_strmalloc(cval, strlen(cval))) == NULL) {
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uirc_errno = UIRC_ERR_SYSERR;
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goto cleanup;
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}
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}
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if ((t->key = stringext_strmalloc(ckey, strlen(ckey))) == NULL) {
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uirc_errno = UIRC_ERR_SYSERR;
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goto cleanup;
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}
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free(ws);
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return t;
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cleanup:
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if (t != NULL) uirc_struct_free(t, IRC_STRUCT_TAG);
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free(t);
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free(ws);
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return NULL;
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}
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