/* * Copyright (c) 2003-2007 by FlashCode * See README for License detail, AUTHORS for developers list. * * 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 2 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, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* completion.c: completes words according to context (cmd/nick) */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include "weechat.h" #include "completion.h" #include "alias.h" #include "command.h" #include "log.h" #include "utf8.h" #include "util.h" #include "weelist.h" #include "weeconfig.h" #include "../irc/irc.h" #ifdef PLUGINS #include "../plugins/plugins.h" #endif /* * completion_init: init completion */ void completion_init (t_completion *completion, void *server, void *channel) { completion->server = server; completion->channel = channel; completion->context = COMPLETION_NULL; completion->base_command = NULL; completion->base_command_arg = 0; completion->arg_is_nick = 0; completion->base_word = NULL; completion->base_word_pos = 0; completion->position = -1; completion->args = NULL; completion->direction = 0; completion->add_space = 1; completion->completion_list = NULL; completion->last_completion = NULL; completion->word_found = NULL; completion->position_replace = 0; completion->diff_size = 0; completion->diff_length = 0; } /* * completion_free: free completion */ void completion_free (t_completion *completion) { if (completion->base_command) free (completion->base_command); completion->base_command = NULL; if (completion->base_word) free (completion->base_word); completion->base_word = NULL; if (completion->args) free (completion->args); completion->args = NULL; while (completion->completion_list) weelist_remove (&completion->completion_list, &completion->last_completion, completion->completion_list); completion->completion_list = NULL; completion->last_completion = NULL; } /* * completion_stop: stop completion (for example after 1 arg of command with 1 arg) */ void completion_stop (t_completion *completion) { completion->context = COMPLETION_NULL; completion->position = -1; } /* * completion_get_command_infos: return completion template and max arg for command */ void completion_get_command_infos (t_completion *completion, char **template, int *max_arg) { t_weechat_alias *ptr_alias; char *ptr_command, *ptr_command2, *pos; int i; #ifdef PLUGINS t_weechat_plugin *ptr_plugin; t_plugin_handler *ptr_handler; #endif *template = NULL; *max_arg = MAX_ARGS; ptr_alias = alias_search (completion->base_command); if (ptr_alias) { ptr_command = alias_get_final_command (ptr_alias); if (!ptr_command) return; } else ptr_command = completion->base_command; ptr_command2 = strdup (ptr_command); if (!ptr_command2) return; pos = strchr (ptr_command2, ' '); if (pos) pos[0] = '\0'; #ifdef PLUGINS /* look for plugin command handler */ for (ptr_plugin = weechat_plugins; ptr_plugin; ptr_plugin = ptr_plugin->next_plugin) { for (ptr_handler = ptr_plugin->handlers; ptr_handler; ptr_handler = ptr_handler->next_handler) { if ((ptr_handler->type == PLUGIN_HANDLER_COMMAND) && (ascii_strcasecmp (ptr_handler->command, ptr_command2) == 0)) { *template = ptr_handler->completion_template; *max_arg = MAX_ARGS; free (ptr_command2); return; } } } #endif /* look for WeeChat internal command */ for (i = 0; weechat_commands[i].command_name; i++) { if (ascii_strcasecmp (weechat_commands[i].command_name, ptr_command2) == 0) { *template = weechat_commands[i].completion_template; *max_arg = weechat_commands[i].max_arg; free (ptr_command2); return; } } /* look for IRC command */ for (i = 0; irc_commands[i].command_name; i++) { if ((irc_commands[i].cmd_function_args || irc_commands[i].cmd_function_1arg) && (ascii_strcasecmp (irc_commands[i].command_name, ptr_command2) == 0)) { *template = irc_commands[i].completion_template; *max_arg = irc_commands[i].max_arg; free (ptr_command2); return; } } free (ptr_command2); return; } /* * completion_list_add: add a word to completion word list */ void completion_list_add (t_completion *completion, char *word) { if (!completion->base_word || !completion->base_word[0] || (ascii_strncasecmp (completion->base_word, word, strlen (completion->base_word)) == 0)) { weelist_add (&completion->completion_list, &completion->last_completion, word); } } /* * completion_list_add_alias: add alias to completion list */ void completion_list_add_alias (t_completion *completion) { t_weechat_alias *ptr_alias; for (ptr_alias = weechat_alias; ptr_alias; ptr_alias = ptr_alias->next_alias) { completion_list_add (completion, ptr_alias->alias_name); } } /* * completion_list_add_alias_cmd: add alias and comands to completion list */ void completion_list_add_alias_cmd (t_completion *completion) { t_weelist *ptr_list; for (ptr_list = index_commands; ptr_list; ptr_list = ptr_list->next_weelist) { completion_list_add (completion, ptr_list->data); } } /* * completion_list_add_channel: add current channel to completion list */ void completion_list_add_channel (t_completion *completion) { if (completion->channel) completion_list_add (completion, ((t_irc_channel *)(completion->channel))->name); } /* * completion_list_add_server_channels: add server channels to completion list */ void completion_list_add_server_channels (t_completion *completion) { t_irc_channel *ptr_channel; if (completion->server) { for (ptr_channel = ((t_irc_server *)(completion->server))->channels; ptr_channel; ptr_channel = ptr_channel->next_channel) { completion_list_add (completion, ptr_channel->name); } } } /* * completion_list_add_filename: add filename to completion list */ void completion_list_add_filename (t_completion *completion) { char *path_d, *path_b, *p, *d_name; char *real_prefix, *prefix; char *buffer; int buffer_len; DIR *dp; struct dirent *entry; struct stat statbuf; char home[3] = { '~', DIR_SEPARATOR_CHAR, '\0' }; buffer_len = PATH_MAX; buffer = (char *) malloc (buffer_len * sizeof (char)); if (!buffer) return; completion->add_space = 0; if ((strncmp (completion->base_word, home, 2) == 0) && getenv("HOME")) { real_prefix = strdup (getenv("HOME")); prefix = strdup (home); } else if ((strncmp (completion->base_word, DIR_SEPARATOR, 1) != 0) || (strcmp (completion->base_word, "") == 0)) { real_prefix = strdup (weechat_home); prefix = strdup (""); } else { real_prefix = strdup (DIR_SEPARATOR); prefix = strdup (DIR_SEPARATOR); } snprintf (buffer, buffer_len, "%s", completion->base_word + strlen (prefix)); p = strrchr (buffer, DIR_SEPARATOR_CHAR); if (p) { *p = '\0'; path_d = strdup (buffer); p++; path_b = strdup (p); } else { path_d = strdup (""); path_b = strdup (buffer); } sprintf (buffer, "%s%s%s", real_prefix, DIR_SEPARATOR, path_d); d_name = strdup (buffer); dp = opendir(d_name); if (dp != NULL) { while((entry = readdir(dp)) != NULL) { if (strncmp (entry->d_name, path_b, strlen(path_b)) == 0) { if (strcmp (entry->d_name, ".") == 0 || strcmp (entry->d_name, "..") == 0) continue; snprintf(buffer, buffer_len, "%s%s%s", d_name, DIR_SEPARATOR, entry->d_name); if (stat(buffer, &statbuf) == -1) continue; snprintf(buffer, buffer_len, "%s%s%s%s%s%s", prefix, ((strcmp(prefix, "") == 0) || strchr(prefix, DIR_SEPARATOR_CHAR)) ? "" : DIR_SEPARATOR, path_d, strcmp(path_d, "") == 0 ? "" : DIR_SEPARATOR, entry->d_name, S_ISDIR(statbuf.st_mode) ? DIR_SEPARATOR : ""); completion_list_add (completion, buffer); } } } free (d_name); free (prefix); free (real_prefix); free (path_d); free (path_b); free (buffer); } /* * completion_list_add_plugin_cmd: add plugin command handlers to completion list */ void completion_list_add_plugin_cmd (t_completion *completion) { #ifdef PLUGINS t_weechat_plugin *ptr_plugin; t_plugin_handler *ptr_handler; for (ptr_plugin = weechat_plugins; ptr_plugin; ptr_plugin = ptr_plugin->next_plugin) { for (ptr_handler = ptr_plugin->handlers; ptr_handler; ptr_handler = ptr_handler->next_handler) { if (ptr_handler->type == PLUGIN_HANDLER_COMMAND) completion_list_add (completion, ptr_handler->command); } } #else /* make gcc happy */ (void) completion; #endif } /* * completion_list_add_irc_cmd_sent: add IRC command (sent) to completion list */ void completion_list_add_irc_cmd_sent (t_completion *completion) { int i; for (i = 0; irc_commands[i].command_name; i++) { if (irc_commands[i].cmd_function_args || irc_commands[i].cmd_function_1arg) completion_list_add (completion, irc_commands[i].command_name); } } /* * completion_list_add_irc_cmd_recv: add IRC command (received) to completion list */ void completion_list_add_irc_cmd_recv (t_completion *completion) { int i; for (i = 0; irc_commands[i].command_name; i++) { if (irc_commands[i].recv_function) completion_list_add(completion, irc_commands[i].command_name); } } /* * completion_list_add_key_cmd: add key commands/functions to completion list */ void completion_list_add_key_cmd (t_completion *completion) { int i; for (i = 0; gui_key_functions[i].function_name; i++) { completion_list_add (completion, gui_key_functions[i].function_name); } } /* * completion_list_add_self_nick: add self nick on server to completion list */ void completion_list_add_self_nick (t_completion *completion) { if (completion->server) { completion_list_add (completion, ((t_irc_server *)(completion->server))->nick); } } /* * completion_list_add_channel_nicks: add channel nicks to completion list */ void completion_list_add_channel_nicks (t_completion *completion) { t_irc_nick *ptr_nick; if (completion->channel) { if (((t_irc_channel *)(completion->channel))->type == CHANNEL_TYPE_CHANNEL) { for (ptr_nick = ((t_irc_channel *)(completion->channel))->nicks; ptr_nick; ptr_nick = ptr_nick->next_nick) { completion_list_add (completion, ptr_nick->nick); } } if ((((t_irc_channel *)(completion->channel))->type == CHANNEL_TYPE_PRIVATE) || (((t_irc_channel *)(completion->channel))->type == CHANNEL_TYPE_DCC_CHAT)) { completion_list_add (completion, ((t_irc_channel *)(completion->channel))->name); } completion->arg_is_nick = 1; } } /* * completion_list_add_channel_nicks_hosts: add channel nicks and hosts to completion list */ void completion_list_add_channel_nicks_hosts (t_completion *completion) { t_irc_nick *ptr_nick; char *buf; int length; if (completion->channel) { if (((t_irc_channel *)(completion->channel))->type == CHANNEL_TYPE_CHANNEL) { for (ptr_nick = ((t_irc_channel *)(completion->channel))->nicks; ptr_nick; ptr_nick = ptr_nick->next_nick) { completion_list_add (completion, ptr_nick->nick); if (ptr_nick->host) { length = strlen (ptr_nick->nick) + 1 + strlen (ptr_nick->host) + 1; buf = (char *) malloc (length); if (buf) { snprintf (buf, length, "%s!%s", ptr_nick->nick, ptr_nick->host); completion_list_add (completion, buf); free (buf); } } } } if ((((t_irc_channel *)(completion->channel))->type == CHANNEL_TYPE_PRIVATE) || (((t_irc_channel *)(completion->channel))->type == CHANNEL_TYPE_PRIVATE)) { completion_list_add (completion, ((t_irc_channel *)(completion->channel))->name); } completion->arg_is_nick = 1; } } /* * completion_list_add_option: add config option to completion list */ void completion_list_add_option (t_completion *completion) { int i, j; t_irc_server *ptr_server; char option_name[256]; for (i = 0; i < CONFIG_NUMBER_SECTIONS; i++) { if ((i != CONFIG_SECTION_KEYS) && (i != CONFIG_SECTION_ALIAS) && (i != CONFIG_SECTION_IGNORE) && (i != CONFIG_SECTION_SERVER)) { for (j = 0; weechat_options[i][j].option_name; j++) { completion_list_add (completion, weechat_options[i][j].option_name); } } } for (ptr_server = irc_servers; ptr_server; ptr_server = ptr_server->next_server) { for (i = 0; weechat_options[CONFIG_SECTION_SERVER][i].option_name; i++) { snprintf (option_name, sizeof (option_name), "%s.%s", ptr_server->name, weechat_options[CONFIG_SECTION_SERVER][i].option_name); completion_list_add (completion, option_name); } } } /* * completion_list_add_plugin_option: add plugin option to completion list */ void completion_list_add_plugin_option (t_completion *completion) { #ifdef PLUGINS t_plugin_option *ptr_option; for (ptr_option = plugin_options; ptr_option; ptr_option = ptr_option->next_option) { completion_list_add (completion, ptr_option->name); } #else /* make gcc happy */ (void) completion; #endif } /* * completion_list_add_part: add part message to completion list */ void completion_list_add_part (t_completion *completion) { if (cfg_irc_default_msg_part && cfg_irc_default_msg_part[0]) completion_list_add (completion, cfg_irc_default_msg_part); } /* * completion_list_add_plugin: add plugin name to completion list */ void completion_list_add_plugin (t_completion *completion) { #ifdef PLUGINS t_weechat_plugin *ptr_plugin; for (ptr_plugin = weechat_plugins; ptr_plugin; ptr_plugin = ptr_plugin->next_plugin) { completion_list_add (completion, ptr_plugin->name); } #else /* make gcc happy */ (void) completion; #endif } /* * completion_list_add_quit: add quit message to completion list */ void completion_list_add_quit (t_completion *completion) { if (cfg_irc_default_msg_quit && cfg_irc_default_msg_quit[0]) completion_list_add (completion, cfg_irc_default_msg_quit); } /* * completion_list_add_server: add current server to completion list */ void completion_list_add_server (t_completion *completion) { if (completion->server) completion_list_add (completion, ((t_irc_server *)(completion->server))->name); } /* * completion_list_add_servers: add all servers to completion list */ void completion_list_add_servers (t_completion *completion) { t_irc_server *ptr_server; for (ptr_server = irc_servers; ptr_server; ptr_server = ptr_server->next_server) { completion_list_add (completion, ptr_server->name); } } /* * completion_list_add_topic: add topic to completion list */ void completion_list_add_topic (t_completion *completion) { char *string; if (!completion->server || !completion->channel || !((t_irc_channel *)(completion->channel))->topic || !((t_irc_channel *)(completion->channel))->topic[0]) completion_stop (completion); else { if (cfg_irc_colors_send) string = (char *)gui_color_decode_for_user_entry ((unsigned char *)((t_irc_channel *)(completion->channel))->topic); else string = (char *)gui_color_decode ((unsigned char *)((t_irc_channel *)(completion->channel))->topic, 0); completion_list_add (completion, (string) ? string : ((t_irc_channel *)(completion->channel))->topic); if (string) free (string); } } /* * completion_list_add_option_value: add option value to completion list */ void completion_list_add_option_value (t_completion *completion) { char *pos; t_config_option *option; void *option_value; char option_string[2048]; if (completion->args) { pos = strchr (completion->args, ' '); if (pos) pos[0] = '\0'; option = NULL; option_value = NULL; config_option_search_option_value (completion->args, &option, &option_value); if (option && option_value) { switch (option->option_type) { case OPTION_TYPE_BOOLEAN: if (option_value && (*((int *)(option_value)))) completion_list_add (completion, "on"); else completion_list_add (completion, "off"); break; case OPTION_TYPE_INT: snprintf (option_string, sizeof (option_string) - 1, "%d", (option_value) ? *((int *)(option_value)) : option->default_int); completion_list_add (completion, option_string); break; case OPTION_TYPE_INT_WITH_STRING: completion_list_add (completion, (option_value) ? option->array_values[*((int *)(option_value))] : option->array_values[option->default_int]); break; case OPTION_TYPE_COLOR: completion_list_add (completion, (option_value) ? gui_color_get_name (*((int *)(option_value))) : option->default_string); break; case OPTION_TYPE_STRING: snprintf (option_string, sizeof (option_string) - 1, "\"%s\"", ((option_value) && (*((char **)(option_value)))) ? *((char **)(option_value)) : option->default_string); completion_list_add (completion, option_string); break; } } if (pos) pos[0] = ' '; } } /* * completion_list_add_plugin_option_value: add plugin option value to completion list */ void completion_list_add_plugin_option_value (t_completion *completion) { #ifdef PLUGINS char *pos; t_plugin_option *ptr_option; if (completion->args) { pos = strchr (completion->args, ' '); if (pos) pos[0] = '\0'; ptr_option = plugin_config_search_internal (completion->args); if (ptr_option) completion_list_add (completion, ptr_option->value); if (pos) pos[0] = ' '; } #else /* make gcc happy */ (void) completion; #endif } /* * completion_list_add_weechat_cmd: add WeeChat commands to completion list */ void completion_list_add_weechat_cmd (t_completion *completion) { int i; for (i = 0; weechat_commands[i].command_name; i++) { completion_list_add (completion, weechat_commands[i].command_name); } } /* * completion_build_list_template: build data list according to a template */ void completion_build_list_template (t_completion *completion, char *template) { char *word, *pos; int word_offset; word = strdup (template); word_offset = 0; pos = template; while (pos) { switch (pos[0]) { case '\0': case ' ': case '|': if (word_offset > 0) { word[word_offset] = '\0'; weelist_add (&completion->completion_list, &completion->last_completion, word); } word_offset = 0; break; case '%': pos++; if (pos && pos[0]) { switch (pos[0]) { case '-': /* stop completion */ completion_stop (completion); free (word); return; break; case 'a': /* alias */ completion_list_add_alias (completion); break; case 'A': /* alias or any command */ completion_list_add_alias_cmd (completion); break; case 'c': /* current channel */ completion_list_add_channel (completion); break; case 'C': /* all channels */ completion_list_add_server_channels (completion); break; case 'f': /* filename */ completion_list_add_filename (completion); break; case 'h': /* plugin command handlers */ completion_list_add_plugin_cmd (completion); break; case 'i': /* IRC command (sent) */ completion_list_add_irc_cmd_sent (completion); break; case 'I': /* IRC command (received) */ completion_list_add_irc_cmd_recv (completion); break; case 'k': /* key cmd/funtcions*/ completion_list_add_key_cmd (completion); break; case 'm': /* self nickname */ completion_list_add_self_nick (completion); break; case 'n': /* channel nicks */ completion_list_add_channel_nicks (completion); completion->context = COMPLETION_NICK; break; case 'N': /* channel nicks and hosts */ completion_list_add_channel_nicks_hosts (completion); break; case 'o': /* config option */ completion_list_add_option (completion); break; case 'O': /* plugin option */ completion_list_add_plugin_option (completion); break; case 'p': /* part message */ completion_list_add_part (completion); break; case 'P': /* plugin name */ completion_list_add_plugin (completion); break; case 'q': /* quit message */ completion_list_add_quit (completion); break; case 's': /* current server */ completion_list_add_server (completion); break; case 'S': /* all servers */ completion_list_add_servers (completion); break; case 't': /* topic */ completion_list_add_topic (completion); break; case 'v': /* value of config option */ completion_list_add_option_value (completion); break; case 'V': /* value of plugin option */ completion_list_add_plugin_option_value (completion); break; case 'w': /* WeeChat commands */ completion_list_add_weechat_cmd (completion); break; } } break; default: word[word_offset++] = pos[0]; } /* end of argument in template? */ if (!pos[0] || (pos[0] == ' ')) pos = NULL; else pos++; } free (word); } /* * completion_build_list: build data list according to command and argument # */ void completion_build_list (t_completion *completion) { char *template, *pos_space; int max_arg, i; completion_get_command_infos (completion, &template, &max_arg); if (!template || (strcmp (template, "-") == 0) || (completion->base_command_arg > max_arg)) { completion_stop (completion); return; } i = 1; while (template && template[0]) { pos_space = strchr (template, ' '); if (i == completion->base_command_arg) { completion_build_list_template (completion, template); return; } if (pos_space) { template = pos_space; while (template[0] == ' ') template++; } else template = NULL; i++; } } /* * completion_find_context: find context for completion */ void completion_find_context (t_completion *completion, char *buffer, int size, int pos) { int i, command, command_arg, pos_start, pos_end; /* look for context */ completion_free (completion); completion_init (completion, completion->server, completion->channel); command = ((buffer[0] == '/') && (buffer[1] != '/')) ? 1 : 0; command_arg = 0; i = 0; while (i < pos) { if (buffer[i] == ' ') { command_arg++; i++; while ((i < pos) && (buffer[i] == ' ')) i++; if (!completion->args) completion->args = strdup (buffer + i); } else i++; } if (command) { if (command_arg > 0) { completion->context = COMPLETION_COMMAND_ARG; completion->base_command_arg = command_arg; } else { completion->context = COMPLETION_COMMAND; completion->base_command_arg = 0; } } else completion->context = COMPLETION_AUTO; /* look for word to complete (base word) */ completion->base_word_pos = 0; completion->position_replace = pos; if (size > 0) { i = pos; pos_start = i; if (buffer[i] == ' ') { if ((i > 0) && (buffer[i-1] != ' ')) { i--; while ((i >= 0) && (buffer[i] != ' ')) i--; pos_start = i + 1; } } else { while ((i >= 0) && (buffer[i] != ' ')) i--; pos_start = i + 1; } i = pos; while ((i < size) && (buffer[i] != ' ')) i++; pos_end = i - 1; completion->base_word_pos = pos_start; if (pos_start <= pos_end) { if (completion->context == COMPLETION_COMMAND) completion->position_replace = pos_start + 1; else completion->position_replace = pos_start; completion->base_word = (char *) malloc (pos_end - pos_start + 2); for (i = pos_start; i <= pos_end; i++) completion->base_word[i - pos_start] = buffer[i]; completion->base_word[pos_end - pos_start + 1] = '\0'; } } if (!completion->base_word) completion->base_word = strdup (""); /* find command (for command argument completion only) */ if (completion->context == COMPLETION_COMMAND_ARG) { pos_start = 0; while ((pos_start < size) && (buffer[pos_start] != '/')) pos_start++; if (buffer[pos_start] == '/') { pos_start++; pos_end = pos_start; while ((pos_end < size) && (buffer[pos_end] != ' ')) pos_end++; if (buffer[pos_end] == ' ') pos_end--; completion->base_command = (char *) malloc (pos_end - pos_start + 2); for (i = pos_start; i <= pos_end; i++) completion->base_command[i - pos_start] = buffer[i]; completion->base_command[pos_end - pos_start + 1] = '\0'; completion_build_list (completion); } } /* auto completion with nothing as base word is disabled, in order to prevent completion when pasting messages with [tab] inside */ if ((completion->context == COMPLETION_AUTO) && ((!completion->base_word) || (!completion->base_word[0]))) { completion->context = COMPLETION_NULL; return; } } /* * completion_command: complete a command */ void completion_command (t_completion *completion) { int length, word_found_seen, other_completion; t_weelist *ptr_weelist, *ptr_weelist2; length = strlen (completion->base_word) - 1; word_found_seen = 0; other_completion = 0; if (completion->direction < 0) ptr_weelist = last_index_command; else ptr_weelist = index_commands; while (ptr_weelist) { if (ascii_strncasecmp (ptr_weelist->data, completion->base_word + 1, length) == 0) { if ((!completion->word_found) || word_found_seen) { completion->word_found = ptr_weelist->data; if (completion->direction < 0) ptr_weelist2 = ptr_weelist->prev_weelist; else ptr_weelist2 = ptr_weelist->next_weelist; while (ptr_weelist2) { if (ascii_strncasecmp (ptr_weelist2->data, completion->base_word + 1, length) == 0) other_completion++; if (completion->direction < 0) ptr_weelist2 = ptr_weelist2->prev_weelist; else ptr_weelist2 = ptr_weelist2->next_weelist; } if (other_completion == 0) completion->position = -1; else if (completion->position < 0) completion->position = 0; return; } other_completion++; } if (completion->word_found && (ascii_strcasecmp (ptr_weelist->data, completion->word_found) == 0)) word_found_seen = 1; if (completion->direction < 0) ptr_weelist = ptr_weelist->prev_weelist; else ptr_weelist = ptr_weelist->next_weelist; } if (completion->word_found) { completion->word_found = NULL; completion_command (completion); } } /* * completion_is_only_alphanum: return 1 if there is only alpha/num chars * in a string */ int completion_is_only_alphanum (char *string) { while (string[0]) { if (strchr (cfg_look_nick_completion_ignore, string[0])) return 0; string++; } return 1; } /* * completion_strdup_alphanum: duplicate alpha/num chars in a string */ char * completion_strdup_alphanum (char *string) { char *result, *pos; result = (char *)malloc (strlen (string) + 1); pos = result; while (string[0]) { if (!strchr (cfg_look_nick_completion_ignore, string[0])) { pos[0] = string[0]; pos++; } string++; } pos[0] = '\0'; return result; } /* * completion_nickncmp: locale and case independent string comparison * with max length for nicks (alpha or digits only) */ int completion_nickncmp (char *base_word, char *nick, int max) { char *base_word2, *nick2; int return_cmp; if (!cfg_look_nick_completion_ignore || !cfg_look_nick_completion_ignore[0] || !base_word || !nick || !base_word[0] || !nick[0] || (!completion_is_only_alphanum (base_word))) return ascii_strncasecmp (base_word, nick, max); base_word2 = completion_strdup_alphanum (base_word); nick2 = completion_strdup_alphanum (nick); return_cmp = ascii_strncasecmp (base_word2, nick2, strlen (base_word2)); free (base_word2); free (nick2); return return_cmp; } /* * completion_command_arg: complete a command argument */ void completion_command_arg (t_completion *completion, int nick_completion) { int length, word_found_seen, other_completion; t_weelist *ptr_weelist, *ptr_weelist2; length = strlen (completion->base_word); word_found_seen = 0; other_completion = 0; if (completion->direction < 0) ptr_weelist = completion->last_completion; else ptr_weelist = completion->completion_list; while (ptr_weelist) { if ((nick_completion && (completion_nickncmp (completion->base_word, ptr_weelist->data, length) == 0)) || ((!nick_completion) && (ascii_strncasecmp (completion->base_word, ptr_weelist->data, length) == 0))) { if ((!completion->word_found) || word_found_seen) { completion->word_found = ptr_weelist->data; if (completion->direction < 0) ptr_weelist2 = ptr_weelist->prev_weelist; else ptr_weelist2 = ptr_weelist->next_weelist; while (ptr_weelist2) { if ((nick_completion && (completion_nickncmp (completion->base_word, ptr_weelist2->data, length) == 0)) || ((!nick_completion) && (ascii_strncasecmp (completion->base_word, ptr_weelist2->data, length) == 0))) other_completion++; if (completion->direction < 0) ptr_weelist2 = ptr_weelist2->prev_weelist; else ptr_weelist2 = ptr_weelist2->next_weelist; } if (other_completion == 0) completion->position = -1; else if (completion->position < 0) completion->position = 0; return; } other_completion++; } if (completion->word_found && (ascii_strcasecmp (ptr_weelist->data, completion->word_found) == 0)) word_found_seen = 1; if (completion->direction < 0) ptr_weelist = ptr_weelist->prev_weelist; else ptr_weelist = ptr_weelist->next_weelist; } if (completion->word_found) { completion->word_found = NULL; completion_command_arg (completion, nick_completion); } } /* * completion_nick: complete a nick */ void completion_nick (t_completion *completion) { int length, word_found_seen, other_completion; t_irc_nick *ptr_nick, *ptr_nick2; if (!completion->channel) return; completion->context = COMPLETION_NICK; if ((((t_irc_channel *)(completion->channel))->type == CHANNEL_TYPE_PRIVATE) || (((t_irc_channel *)(completion->channel))->type == CHANNEL_TYPE_DCC_CHAT)) { if (!(completion->completion_list)) { weelist_add (&completion->completion_list, &completion->last_completion, ((t_irc_channel *)(completion->channel))->name); weelist_add (&completion->completion_list, &completion->last_completion, ((t_irc_server *)(completion->server))->nick); } completion_command_arg (completion, 1); return; } length = strlen (completion->base_word); word_found_seen = 0; other_completion = 0; if (completion->direction < 0) ptr_nick = ((t_irc_channel *)(completion->channel))->last_nick; else ptr_nick = ((t_irc_channel *)(completion->channel))->nicks; while (ptr_nick) { if (completion_nickncmp (completion->base_word, ptr_nick->nick, length) == 0) { if ((!completion->word_found) || word_found_seen) { completion->word_found = ptr_nick->nick; if (cfg_look_nick_complete_first) { completion->position = -1; return; } if (completion->direction < 0) ptr_nick2 = ptr_nick->prev_nick; else ptr_nick2 = ptr_nick->next_nick; while (ptr_nick2) { if (completion_nickncmp (completion->base_word, ptr_nick2->nick, length) == 0) other_completion++; if (completion->direction < 0) ptr_nick2 = ptr_nick2->prev_nick; else ptr_nick2 = ptr_nick2->next_nick; } if (other_completion == 0) completion->position = -1; else { if (completion->position < 0) completion->position = 0; } return; } other_completion++; } if (completion->word_found && (ascii_strcasecmp (ptr_nick->nick, completion->word_found) == 0)) word_found_seen = 1; if (completion->direction < 0) ptr_nick = ptr_nick->prev_nick; else ptr_nick = ptr_nick->next_nick; } if (completion->word_found) { completion->word_found = NULL; completion_nick (completion); } } /* * completion_auto: auto complete: nick, filename or channel */ void completion_auto (t_completion *completion) { /* filename completion */ if ((completion->base_word[0] == '/') || (completion->base_word[0] == '~')) { if (!completion->completion_list) completion_list_add_filename (completion); completion_command_arg (completion, 0); return; } /* channel completion */ if (string_is_channel (completion->base_word)) { if (!completion->completion_list) completion_list_add_server_channels (completion); completion_command_arg (completion, 0); return; } /* default: nick completion (if channel) */ if (completion->channel) completion_nick (completion); else completion->context = COMPLETION_NULL; } /* * completion_search: complete word according to context */ void completion_search (t_completion *completion, int direction, char *buffer, int size, int pos) { char *old_word_found; completion->direction = direction; /* if new completion => look for base word */ if (pos != completion->position) { completion->word_found = NULL; completion_find_context (completion, buffer, size, pos); } /* completion */ old_word_found = completion->word_found; switch (completion->context) { case COMPLETION_NULL: /* should never be executed */ return; case COMPLETION_NICK: completion_nick (completion); break; case COMPLETION_COMMAND: completion_command (completion); break; case COMPLETION_COMMAND_ARG: if (completion->completion_list) completion_command_arg (completion, completion->arg_is_nick); else { completion->context = COMPLETION_AUTO; completion_auto (completion); } break; case COMPLETION_AUTO: completion_auto (completion); break; } if (completion->word_found) { if (old_word_found) { completion->diff_size = strlen (completion->word_found) - strlen (old_word_found); completion->diff_length = utf8_strlen (completion->word_found) - utf8_strlen (old_word_found); } else { completion->diff_size = strlen (completion->word_found) - strlen (completion->base_word); completion->diff_length = utf8_strlen (completion->word_found) - utf8_strlen (completion->base_word); if (completion->context == COMPLETION_COMMAND) { completion->diff_size++; completion->diff_length++; } } } } /* * completion_print_log: print completion list in log (usually for crash dump) */ void completion_print_log (t_completion *completion) { weechat_log_printf ("[completion (addr:0x%X)]\n", completion); weechat_log_printf (" server . . . . . . . . : 0x%X\n", completion->server); weechat_log_printf (" channel. . . . . . . . : 0x%X\n", completion->channel); weechat_log_printf (" context. . . . . . . . : %d\n", completion->context); weechat_log_printf (" base_command . . . . . : '%s'\n", completion->base_command); weechat_log_printf (" base_command_arg . . . : %d\n", completion->base_command_arg); weechat_log_printf (" arg_is_nick. . . . . . : %d\n", completion->arg_is_nick); weechat_log_printf (" base_word. . . . . . . : '%s'\n", completion->base_word); weechat_log_printf (" base_word_pos. . . . . : %d\n", completion->base_word_pos); weechat_log_printf (" position . . . . . . . : %d\n", completion->position); weechat_log_printf (" args . . . . . . . . . : '%s'\n", completion->args); weechat_log_printf (" direction. . . . . . . : %d\n", completion->direction); weechat_log_printf (" add_space. . . . . . . : %d\n", completion->add_space); weechat_log_printf (" completion_list. . . . : 0x%X\n", completion->completion_list); weechat_log_printf (" last_completion. . . . : 0x%X\n", completion->last_completion); weechat_log_printf (" word_found . . . . . . : '%s'\n", completion->word_found); weechat_log_printf (" position_replace . . . : %d\n", completion->position_replace); weechat_log_printf (" diff_size. . . . . . . : %d\n", completion->diff_size); weechat_log_printf (" diff_length. . . . . . : %d\n", completion->diff_length); if (completion->completion_list) { weechat_log_printf ("\n"); weelist_print_log (completion->completion_list, "completion list element"); } }