/* * wee-hook-info-hashtable.c - WeeChat info_hashtable hook * * Copyright (C) 2003-2019 Sébastien Helleu * * This file is part of WeeChat, the extensible chat client. * * WeeChat 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. * * WeeChat 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 WeeChat. If not, see . */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include "../weechat.h" #include "../wee-hook.h" #include "../wee-infolist.h" #include "../wee-log.h" #include "../wee-string.h" /* * Hooks an info using hashtable. * * Returns pointer to new hook, NULL if error. */ struct t_hook * hook_info_hashtable (struct t_weechat_plugin *plugin, const char *info_name, const char *description, const char *args_description, const char *output_description, t_hook_callback_info_hashtable *callback, const void *callback_pointer, void *callback_data) { struct t_hook *new_hook; struct t_hook_info_hashtable *new_hook_info_hashtable; int priority; const char *ptr_info_name; if (!info_name || !info_name[0] || !callback) return NULL; new_hook = malloc (sizeof (*new_hook)); if (!new_hook) return NULL; new_hook_info_hashtable = malloc (sizeof (*new_hook_info_hashtable)); if (!new_hook_info_hashtable) { free (new_hook); return NULL; } hook_get_priority_and_name (info_name, &priority, &ptr_info_name); hook_init_data (new_hook, plugin, HOOK_TYPE_INFO_HASHTABLE, priority, callback_pointer, callback_data); new_hook->hook_data = new_hook_info_hashtable; new_hook_info_hashtable->callback = callback; new_hook_info_hashtable->info_name = strdup ((ptr_info_name) ? ptr_info_name : info_name); new_hook_info_hashtable->description = strdup ((description) ? description : ""); new_hook_info_hashtable->args_description = strdup ((args_description) ? args_description : ""); new_hook_info_hashtable->output_description = strdup ((output_description) ? output_description : ""); hook_add_to_list (new_hook); return new_hook; } /* * Gets info (as hashtable) via info hook. */ struct t_hashtable * hook_info_get_hashtable (struct t_weechat_plugin *plugin, const char *info_name, struct t_hashtable *hashtable) { struct t_hook *ptr_hook, *next_hook; struct t_hashtable *value; /* make C compiler happy */ (void) plugin; if (!info_name || !info_name[0]) return NULL; hook_exec_start (); ptr_hook = weechat_hooks[HOOK_TYPE_INFO_HASHTABLE]; while (ptr_hook) { next_hook = ptr_hook->next_hook; if (!ptr_hook->deleted && !ptr_hook->running && (string_strcasecmp (HOOK_INFO_HASHTABLE(ptr_hook, info_name), info_name) == 0)) { ptr_hook->running = 1; value = (HOOK_INFO_HASHTABLE(ptr_hook, callback)) (ptr_hook->callback_pointer, ptr_hook->callback_data, info_name, hashtable); ptr_hook->running = 0; hook_exec_end (); return value; } ptr_hook = next_hook; } hook_exec_end (); /* info not found */ return NULL; } /* * Frees data in an info_hashtable hook. */ void hook_info_hashtable_free_data (struct t_hook *hook) { if (!hook || !hook->hook_data) return; if (HOOK_INFO_HASHTABLE(hook, info_name)) { free (HOOK_INFO_HASHTABLE(hook, info_name)); HOOK_INFO_HASHTABLE(hook, info_name) = NULL; } if (HOOK_INFO_HASHTABLE(hook, description)) { free (HOOK_INFO_HASHTABLE(hook, description)); HOOK_INFO_HASHTABLE(hook, description) = NULL; } if (HOOK_INFO_HASHTABLE(hook, args_description)) { free (HOOK_INFO_HASHTABLE(hook, args_description)); HOOK_INFO_HASHTABLE(hook, args_description) = NULL; } if (HOOK_INFO_HASHTABLE(hook, output_description)) { free (HOOK_INFO_HASHTABLE(hook, output_description)); HOOK_INFO_HASHTABLE(hook, output_description) = NULL; } free (hook->hook_data); hook->hook_data = NULL; } /* * Adds info_hashtable hook data in the infolist item. * * Returns: * 1: OK * 0: error */ int hook_info_hashtable_add_to_infolist (struct t_infolist_item *item, struct t_hook *hook) { if (!item || !hook || !hook->hook_data) return 0; if (!infolist_new_var_pointer (item, "callback", HOOK_INFO_HASHTABLE(hook, callback))) return 0; if (!infolist_new_var_string (item, "info_name", HOOK_INFO_HASHTABLE(hook, info_name))) return 0; if (!infolist_new_var_string (item, "description", HOOK_INFO_HASHTABLE(hook, description))) return 0; if (!infolist_new_var_string (item, "description_nls", (HOOK_INFO_HASHTABLE(hook, description) && HOOK_INFO_HASHTABLE(hook, description)[0]) ? _(HOOK_INFO_HASHTABLE(hook, description)) : "")) return 0; if (!infolist_new_var_string (item, "args_description", HOOK_INFO_HASHTABLE(hook, args_description))) return 0; if (!infolist_new_var_string (item, "args_description_nls", (HOOK_INFO_HASHTABLE(hook, args_description) && HOOK_INFO_HASHTABLE(hook, args_description)[0]) ? _(HOOK_INFO_HASHTABLE(hook, args_description)) : "")) return 0; if (!infolist_new_var_string (item, "output_description", HOOK_INFO_HASHTABLE(hook, output_description))) return 0; if (!infolist_new_var_string (item, "output_description_nls", (HOOK_INFO_HASHTABLE(hook, output_description) && HOOK_INFO_HASHTABLE(hook, output_description)[0]) ? _(HOOK_INFO_HASHTABLE(hook, output_description)) : "")) return 0; return 1; } /* * Prints info_hashtable hook data in WeeChat log file (usually for crash dump). */ void hook_info_hashtable_print_log (struct t_hook *hook) { if (!hook || !hook->hook_data) return; log_printf (" info_hashtable data:"); log_printf (" callback. . . . . . . : 0x%lx", HOOK_INFO_HASHTABLE(hook, callback)); log_printf (" info_name . . . . . . : '%s'", HOOK_INFO_HASHTABLE(hook, info_name)); log_printf (" description . . . . . : '%s'", HOOK_INFO_HASHTABLE(hook, description)); log_printf (" args_description. . . : '%s'", HOOK_INFO_HASHTABLE(hook, args_description)); log_printf (" output_description. . : '%s'", HOOK_INFO_HASHTABLE(hook, output_description)); }