diff options
Diffstat (limited to 'complete.c')
-rw-r--r-- | complete.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/complete.c b/complete.c deleted file mode 100644 index e8ea3fe..0000000 --- a/complete.c +++ /dev/null @@ -1,187 +0,0 @@ -/* Copyright (C) 2020 June McEnroe <june@causal.agency> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <https://www.gnu.org/licenses/>. - * - * Additional permission under GNU GPL version 3 section 7: - * - * If you modify this Program, or any covered work, by linking or - * combining it with OpenSSL (or a modified version of that library), - * containing parts covered by the terms of the OpenSSL License and the - * original SSLeay license, the licensors of this Program grant you - * additional permission to convey the resulting work. Corresponding - * Source for a non-source form of such a combination shall include the - * source code for the parts of OpenSSL used as well as that of the - * covered work. - */ - -#include <err.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sysexits.h> - -#include "chat.h" - -struct Node { - uint id; - char *str; - enum Color color; - struct Node *prev; - struct Node *next; -}; - -static struct Node *alloc(uint id, const char *str, enum Color color) { - struct Node *node = malloc(sizeof(*node)); - if (!node) err(EX_OSERR, "malloc"); - node->id = id; - node->str = strdup(str); - node->color = color; - node->prev = NULL; - node->next = NULL; - if (!node->str) err(EX_OSERR, "strdup"); - return node; -} - -static struct Node *head; -static struct Node *tail; - -static struct Node *detach(struct Node *node) { - if (node->prev) node->prev->next = node->next; - if (node->next) node->next->prev = node->prev; - if (head == node) head = node->next; - if (tail == node) tail = node->prev; - node->prev = NULL; - node->next = NULL; - return node; -} - -static struct Node *prepend(struct Node *node) { - node->prev = NULL; - node->next = head; - if (head) head->prev = node; - head = node; - tail = (tail ?: node); - return node; -} - -static struct Node *append(struct Node *node) { - node->next = NULL; - node->prev = tail; - if (tail) tail->next = node; - tail = node; - head = (head ?: node); - return node; -} - -static struct Node *find(uint id, const char *str) { - for (struct Node *node = head; node; node = node->next) { - if (node->id != id) continue; - if (strcmp(node->str, str)) continue; - return node; - } - return NULL; -} - -void completeAdd(uint id, const char *str, enum Color color) { - if (!find(id, str)) append(alloc(id, str, color)); -} - -void completeTouch(uint id, const char *str, enum Color color) { - struct Node *node = find(id, str); - if (node) node->color = color; - prepend(node ? detach(node) : alloc(id, str, color)); -} - -enum Color completeColor(uint id, const char *str) { - struct Node *node = find(id, str); - return (node ? node->color : Default); -} - -static struct Node *match; - -const char *complete(uint id, const char *prefix) { - for (match = (match ? match->next : head); match; match = match->next) { - if (match->id && match->id != id) continue; - if (strncasecmp(match->str, prefix, strlen(prefix))) continue; - return match->str; - } - return NULL; -} - -const char *completeSubstr(uint id, const char *substr) { - for (match = (match ? match->next : head); match; match = match->next) { - if (match->id && match->id != id) continue; - if (!strstr(match->str, substr)) continue; - return match->str; - } - return NULL; -} - -void completeAccept(void) { - if (match) prepend(detach(match)); - match = NULL; -} - -void completeReject(void) { - match = NULL; -} - -static struct Node *iter; - -uint completeID(const char *str) { - for (iter = (iter ? iter->next : head); iter; iter = iter->next) { - if (iter->id && !strcmp(iter->str, str)) return iter->id; - } - return None; -} - -void completeReplace(uint id, const char *old, const char *new) { - struct Node *next = NULL; - for (struct Node *node = head; node; node = next) { - next = node->next; - if (id && node->id != id) continue; - if (strcmp(node->str, old)) continue; - free(node->str); - node->str = strdup(new); - prepend(detach(node)); - if (!node->str) err(EX_OSERR, "strdup"); - } -} - -void completeRemove(uint id, const char *str) { - struct Node *next = NULL; - for (struct Node *node = head; node; node = next) { - next = node->next; - if (id && node->id != id) continue; - if (strcmp(node->str, str)) continue; - if (match == node) match = NULL; - if (iter == node) iter = NULL; - detach(node); - free(node->str); - free(node); - } -} - -void completeClear(uint id) { - struct Node *next = NULL; - for (struct Node *node = head; node; node = next) { - next = node->next; - if (node->id != id) continue; - if (match == node) match = NULL; - if (iter == node) iter = NULL; - detach(node); - free(node->str); - free(node); - } -} |