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8724fc18afa1d2702eeed9aa6e7d825d25cbda98
weechat/src/gui/gui-completion.c
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Sebastien Helleu 8724fc18af Use of const for some functions returning "char *"
2008-11-15 22:35:12 +01:00

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/*
* Copyright (c) 2003-2008 by FlashCode <flashcode@flashtux.org>
* 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 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 <http://www.gnu.org/licenses/>.
*/
/* gui-completion.c: completes words according to context */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
#include "../core/weechat.h"
#include "../core/wee-config.h"
#include "../core/wee-hook.h"
#include "../core/wee-log.h"
#include "../core/wee-string.h"
#include "../core/wee-utf8.h"
#include "../core/wee-list.h"
#include "../plugins/plugin.h"
#include "../plugins/plugin-config.h"
#include "gui-completion.h"
#include "gui-bar.h"
#include "gui-buffer.h"
#include "gui-color.h"
#include "gui-filter.h"
#include "gui-keyboard.h"
#include "gui-nicklist.h"
struct t_gui_completion_partial *gui_completion_partial_list = NULL;
struct t_gui_completion_partial *last_gui_completion_partial = NULL;
/*
* gui_completion_init: init completion
*/
void
gui_completion_init (struct t_gui_completion *completion,
struct t_gui_buffer *buffer)
{
completion->buffer = buffer;
completion->context = GUI_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->force_partial_completion = 0;
completion->completion_list = weelist_new ();
completion->word_found = NULL;
completion->position_replace = 0;
completion->diff_size = 0;
completion->diff_length = 0;
}
/*
* gui_completion_free_data: free data in completion
*/
void
gui_completion_free_data (struct t_gui_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;
if (completion->completion_list)
{
weelist_free (completion->completion_list);
completion->completion_list = NULL;
}
if (completion->word_found)
free (completion->word_found);
completion->word_found = NULL;
}
/*
* gui_completion_free: free completion
*/
void
gui_completion_free (struct t_gui_completion *completion)
{
gui_completion_free_data (completion);
free (completion);
}
/*
* gui_completion_partial_list_add: add an item to partial completions list
*/
struct t_gui_completion_partial *
gui_completion_partial_list_add (const char *word, int count)
{
struct t_gui_completion_partial *new_item;
new_item = malloc (sizeof (*new_item));
if (new_item)
{
new_item->word = strdup (word);
new_item->count = count;
new_item->prev_item = last_gui_completion_partial;
if (gui_completion_partial_list)
last_gui_completion_partial->next_item = new_item;
else
gui_completion_partial_list = new_item;
last_gui_completion_partial = new_item;
new_item->next_item = NULL;
}
return new_item;
}
/*
* gui_completion_partial_free: remove an item from partial completions list
*/
void
gui_completion_partial_list_free (struct t_gui_completion_partial *item)
{
/* remove partial completion item from list */
if (item->prev_item)
(item->prev_item)->next_item = item->next_item;
if (item->next_item)
(item->next_item)->prev_item = item->prev_item;
if (gui_completion_partial_list == item)
gui_completion_partial_list = item->next_item;
if (last_gui_completion_partial == item)
last_gui_completion_partial = item->prev_item;
/* free data */
if (item->word)
free (item->word);
free (item);
}
/*
* gui_completion_partial_free: remove partial completions list
*/
void
gui_completion_partial_list_free_all ()
{
while (gui_completion_partial_list)
{
gui_completion_partial_list_free (gui_completion_partial_list);
}
}
/*
* gui_completion_stop: stop completion (for example after 1 arg of command
* with 1 arg)
*/
void
gui_completion_stop (struct t_gui_completion *completion,
int remove_partial_completion_list)
{
completion->context = GUI_COMPLETION_NULL;
completion->position = -1;
if (remove_partial_completion_list)
{
gui_completion_partial_list_free_all ();
hook_signal_send ("partial_completion",
WEECHAT_HOOK_SIGNAL_STRING, NULL);
}
}
/*
* gui_completion_search_command: search command hook
*/
struct t_hook *
gui_completion_search_command (struct t_gui_completion *completion)
{
struct t_hook *ptr_hook;
for (ptr_hook = weechat_hooks[HOOK_TYPE_COMMAND]; ptr_hook;
ptr_hook = ptr_hook->next_hook)
{
if (!ptr_hook->deleted
&& HOOK_COMMAND(ptr_hook, command)
&& HOOK_COMMAND(ptr_hook, command)[0]
&& (HOOK_COMMAND(ptr_hook, level) == 0)
&& (string_strcasecmp (HOOK_COMMAND(ptr_hook, command),
completion->base_command) == 0))
return ptr_hook;
}
/* command not found */
return NULL;
}
/*
* gui_completion_is_only_alphanum: return 1 if there is only alpha/num chars
* in a string
*/
int
gui_completion_is_only_alphanum (const char *string)
{
while (string[0])
{
if (strchr (CONFIG_STRING(config_completion_nick_ignore_chars),
string[0]))
return 0;
string++;
}
return 1;
}
/*
* gui_completion_strdup_alphanum: duplicate alpha/num chars in a string
*/
char *
gui_completion_strdup_alphanum (const char *string)
{
char *result, *pos;
result = malloc (strlen (string) + 1);
pos = result;
while (string[0])
{
if (!strchr (CONFIG_STRING(config_completion_nick_ignore_chars),
string[0]))
{
pos[0] = string[0];
pos++;
}
string++;
}
pos[0] = '\0';
return result;
}
/*
* gui_completion_nickncmp: locale and case independent string comparison
* with max length for nicks (alpha or digits only)
*/
int
gui_completion_nickncmp (const char *base_word, const char *nick, int max)
{
char *base_word2, *nick2;
int return_cmp;
if (!CONFIG_STRING(config_completion_nick_ignore_chars)
|| !CONFIG_STRING(config_completion_nick_ignore_chars)[0]
|| !base_word || !nick || !base_word[0] || !nick[0]
|| (!gui_completion_is_only_alphanum (base_word)))
return string_strncasecmp (base_word, nick, max);
base_word2 = gui_completion_strdup_alphanum (base_word);
nick2 = gui_completion_strdup_alphanum (nick);
return_cmp = string_strncasecmp (base_word2, nick2, strlen (base_word2));
free (base_word2);
free (nick2);
return return_cmp;
}
/*
* gui_completion_list_add: add a word to completion word list
*/
void
gui_completion_list_add (struct t_gui_completion *completion, const char *word,
int nick_completion, const char *where)
{
if (!word || !word[0])
return;
if (!completion->base_word || !completion->base_word[0]
|| (nick_completion && (gui_completion_nickncmp (completion->base_word, word,
strlen (completion->base_word)) == 0))
|| (!nick_completion && (string_strncasecmp (completion->base_word, word,
strlen (completion->base_word)) == 0)))
{
weelist_add (completion->completion_list, word, where);
}
}
/*
* gui_completion_list_add_bars_names: add buffers names to completion list
*/
void
gui_completion_list_add_bars_names (struct t_gui_completion *completion)
{
struct t_gui_bar *ptr_bar;
for (ptr_bar = gui_bars; ptr_bar; ptr_bar = ptr_bar->next_bar)
{
gui_completion_list_add (completion, ptr_bar->name,
0, WEECHAT_LIST_POS_SORT);
}
}
/*
* gui_completion_list_add_buffers_names: add buffers names to completion list
*/
void
gui_completion_list_add_buffers_names (struct t_gui_completion *completion)
{
struct t_gui_buffer *ptr_buffer;
for (ptr_buffer = gui_buffers; ptr_buffer;
ptr_buffer = ptr_buffer->next_buffer)
{
gui_completion_list_add (completion, ptr_buffer->name,
0, WEECHAT_LIST_POS_SORT);
}
}
/*
* gui_completion_list_add_config_files: add config files to completion list
*/
void
gui_completion_list_add_config_files (struct t_gui_completion *completion)
{
struct t_config_file *ptr_config_file;
for (ptr_config_file = config_files; ptr_config_file;
ptr_config_file = ptr_config_file->next_config)
{
gui_completion_list_add (completion, ptr_config_file->name,
0, WEECHAT_LIST_POS_SORT);
}
}
/*
* gui_completion_list_add_filename: add filename to completion list
*/
void
gui_completion_list_add_filename (struct t_gui_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 = malloc (buffer_len);
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 : "");
gui_completion_list_add (completion, buffer,
0, WEECHAT_LIST_POS_SORT);
}
}
}
free (d_name);
free (prefix);
free (real_prefix);
free (path_d);
free (path_b);
free (buffer);
}
/*
* gui_completion_list_add_filters: add filters to completion list
*/
void
gui_completion_list_add_filters (struct t_gui_completion *completion)
{
struct t_gui_filter *ptr_filter;
for (ptr_filter = gui_filters; ptr_filter;
ptr_filter = ptr_filter->next_filter)
{
gui_completion_list_add (completion, ptr_filter->name,
0, WEECHAT_LIST_POS_SORT);
}
}
/*
* gui_completion_list_add_command_hooks: add command hooks to completion list
*/
void
gui_completion_list_add_command_hooks (struct t_gui_completion *completion)
{
struct t_hook *ptr_hook;
for (ptr_hook = weechat_hooks[HOOK_TYPE_COMMAND]; ptr_hook;
ptr_hook = ptr_hook->next_hook)
{
if (!ptr_hook->deleted
&& (HOOK_COMMAND(ptr_hook, command))
&& (HOOK_COMMAND(ptr_hook, command)[0]))
gui_completion_list_add (completion,
HOOK_COMMAND(ptr_hook, command),
0, WEECHAT_LIST_POS_SORT);
}
}
/*
* gui_completion_list_add_info_hooks: add info hooks to completion list
*/
void
gui_completion_list_add_info_hooks (struct t_gui_completion *completion)
{
struct t_hook *ptr_hook;
for (ptr_hook = weechat_hooks[HOOK_TYPE_INFO]; ptr_hook;
ptr_hook = ptr_hook->next_hook)
{
if (!ptr_hook->deleted
&& (HOOK_INFO(ptr_hook, info_name))
&& (HOOK_INFO(ptr_hook, info_name)[0]))
gui_completion_list_add (completion,
HOOK_INFO(ptr_hook, info_name),
0, WEECHAT_LIST_POS_SORT);
}
}
/*
* gui_completion_list_add_infolist_hooks: add infolist hooks to completion list
*/
void
gui_completion_list_add_infolist_hooks (struct t_gui_completion *completion)
{
struct t_hook *ptr_hook;
for (ptr_hook = weechat_hooks[HOOK_TYPE_INFOLIST]; ptr_hook;
ptr_hook = ptr_hook->next_hook)
{
if (!ptr_hook->deleted
&& (HOOK_INFOLIST(ptr_hook, infolist_name))
&& (HOOK_INFOLIST(ptr_hook, infolist_name)[0]))
gui_completion_list_add (completion,
HOOK_INFOLIST(ptr_hook, infolist_name),
0, WEECHAT_LIST_POS_SORT);
}
}
/*
* gui_completion_list_add_nicks: add nicks to completion list
*/
void
gui_completion_list_add_nicks (struct t_gui_completion *completion)
{
struct t_gui_nick_group *ptr_group;
struct t_gui_nick *ptr_nick;
int count_before;
count_before = weelist_size (completion->completion_list);
hook_completion_exec (completion->buffer->plugin,
"nick",
completion->buffer,
completion);
if (weelist_size (completion->completion_list) == count_before)
{
/* no plugin overrides nick completion, then we use default nick */
/* completion, wich nicks of nicklist, in order of nicklist */
ptr_group = NULL;
ptr_nick = NULL;
gui_nicklist_get_next_item (completion->buffer,
&ptr_group, &ptr_nick);
while (ptr_group || ptr_nick)
{
if (ptr_nick && ptr_nick->visible)
{
gui_completion_list_add (completion,
ptr_nick->name,
1, WEECHAT_LIST_POS_END);
}
gui_nicklist_get_next_item (completion->buffer,
&ptr_group, &ptr_nick);
}
}
completion->arg_is_nick = 1;
}
/*
* gui_completion_list_add_option: add config option to completion list
*/
void
gui_completion_list_add_option (struct t_gui_completion *completion)
{
struct t_config_file *ptr_config;
struct t_config_section *ptr_section;
struct t_config_option *ptr_option;
int length;
char *option_full_name;
for (ptr_config = config_files; ptr_config;
ptr_config = ptr_config->next_config)
{
for (ptr_section = ptr_config->sections; ptr_section;
ptr_section = ptr_section->next_section)
{
for (ptr_option = ptr_section->options; ptr_option;
ptr_option = ptr_option->next_option)
{
length = strlen (ptr_config->name) + 1
+ strlen (ptr_section->name) + 1
+ strlen (ptr_option->name) + 1;
option_full_name = malloc (length);
if (option_full_name)
{
snprintf (option_full_name, length, "%s.%s.%s",
ptr_config->name, ptr_section->name,
ptr_option->name);
gui_completion_list_add (completion,
option_full_name,
0, WEECHAT_LIST_POS_SORT);
free (option_full_name);
}
}
}
}
}
/*
* gui_completion_list_add_plugin: add plugin name to completion list
*/
void
gui_completion_list_add_plugin (struct t_gui_completion *completion)
{
struct t_weechat_plugin *ptr_plugin;
for (ptr_plugin = weechat_plugins; ptr_plugin;
ptr_plugin = ptr_plugin->next_plugin)
{
gui_completion_list_add (completion, ptr_plugin->name,
0, WEECHAT_LIST_POS_SORT);
}
}
/*
* gui_completion_list_add_plugin_commands: add plugin commands to completion
* list (plugin name is previous
* argument)
*/
void
gui_completion_list_add_plugin_commands (struct t_gui_completion *completion)
{
char *pos_space, *plugin_name;
struct t_weechat_plugin *ptr_plugin;
struct t_hook *ptr_hook;
if (completion->args)
{
pos_space = strchr (completion->args, ' ');
if (pos_space)
plugin_name = string_strndup (completion->args,
pos_space - completion->args);
else
plugin_name = strdup (completion->args);
if (plugin_name)
{
ptr_plugin = NULL;
if (string_strcasecmp (plugin_name, "weechat") != 0)
{
/* plugin name is different from "weechat", then search it in
plugin list */
ptr_plugin = plugin_search (plugin_name);
if (!ptr_plugin)
return;
}
for (ptr_hook = weechat_hooks[HOOK_TYPE_COMMAND]; ptr_hook;
ptr_hook = ptr_hook->next_hook)
{
if (!ptr_hook->deleted
&& (ptr_hook->plugin == ptr_plugin)
&& HOOK_COMMAND(ptr_hook, command)
&& HOOK_COMMAND(ptr_hook, command)[0])
{
gui_completion_list_add (completion,
HOOK_COMMAND(ptr_hook, command),
0, WEECHAT_LIST_POS_SORT);
}
}
free (plugin_name);
}
}
}
/*
* gui_completion_list_add_option_value: add option value to completion list
*/
void
gui_completion_list_add_option_value (struct t_gui_completion *completion)
{
char *pos_space, *option_full_name, *pos_section, *pos_option;
char *file, *section, *value_string;
const char *color_name;
int length, i, num_colors;
struct t_config_file *ptr_config;
struct t_config_section *ptr_section, *section_found;
struct t_config_option *option_found;
if (completion->args)
{
pos_space = strchr (completion->args, ' ');
if (pos_space)
option_full_name = string_strndup (completion->args,
pos_space - completion->args);
else
option_full_name = strdup (completion->args);
if (option_full_name)
{
file = NULL;
section = NULL;
pos_option = NULL;
pos_section = strchr (option_full_name, '.');
pos_option = (pos_section) ? strchr (pos_section + 1, '.') : NULL;
if (pos_section && pos_option)
{
file = string_strndup (option_full_name,
pos_section - option_full_name);
section = string_strndup (pos_section + 1,
pos_option - pos_section - 1);
pos_option++;
}
if (file && section && pos_option)
{
ptr_config = config_file_search (file);
if (ptr_config)
{
ptr_section = config_file_search_section (ptr_config,
section);
if (ptr_section)
{
config_file_search_section_option (ptr_config,
ptr_section,
pos_option,
&section_found,
&option_found);
if (option_found)
{
switch (option_found->type)
{
case CONFIG_OPTION_TYPE_BOOLEAN:
gui_completion_list_add (completion, "on",
0, WEECHAT_LIST_POS_SORT);
gui_completion_list_add (completion, "off",
0, WEECHAT_LIST_POS_SORT);
gui_completion_list_add (completion, "toggle",
0, WEECHAT_LIST_POS_END);
if (CONFIG_BOOLEAN(option_found) == CONFIG_BOOLEAN_TRUE)
gui_completion_list_add (completion, "on",
0, WEECHAT_LIST_POS_BEGINNING);
else
gui_completion_list_add (completion, "off",
0, WEECHAT_LIST_POS_BEGINNING);
break;
case CONFIG_OPTION_TYPE_INTEGER:
length = 64;
value_string = malloc (length);
if (value_string)
{
if (option_found->string_values)
{
for (i = 0; option_found->string_values[i]; i++)
{
gui_completion_list_add (completion,
option_found->string_values[i],
0, WEECHAT_LIST_POS_SORT);
}
gui_completion_list_add (completion, "++1",
0, WEECHAT_LIST_POS_END);
gui_completion_list_add (completion, "--1",
0, WEECHAT_LIST_POS_END);
snprintf (value_string, length,
"%s",
option_found->string_values[CONFIG_INTEGER(option_found)]);
}
else
{
if (CONFIG_INTEGER(option_found) > option_found->min)
gui_completion_list_add (completion, "--1",
0, WEECHAT_LIST_POS_BEGINNING);
if (CONFIG_INTEGER(option_found) < option_found->max)
gui_completion_list_add (completion, "++1",
0, WEECHAT_LIST_POS_BEGINNING);
snprintf (value_string, length,
"%d", CONFIG_INTEGER(option_found));
}
gui_completion_list_add (completion,
value_string,
0, WEECHAT_LIST_POS_BEGINNING);
free (value_string);
}
break;
case CONFIG_OPTION_TYPE_STRING:
gui_completion_list_add (completion,
"\"\"",
0, WEECHAT_LIST_POS_BEGINNING);
length = strlen (CONFIG_STRING(option_found)) + 2 + 1;
value_string = malloc (length);
if (value_string)
{
snprintf (value_string, length,
"\"%s\"",
CONFIG_STRING(option_found));
gui_completion_list_add (completion,
value_string,
0, WEECHAT_LIST_POS_BEGINNING);
free (value_string);
}
break;
case CONFIG_OPTION_TYPE_COLOR:
num_colors = gui_color_get_number ();
for (i = 0; i < num_colors; i++)
{
color_name = gui_color_get_name (i);
if (color_name)
gui_completion_list_add (completion,
color_name,
0, WEECHAT_LIST_POS_SORT);
}
gui_completion_list_add (completion, "++1",
0, WEECHAT_LIST_POS_END);
gui_completion_list_add (completion, "--1",
0, WEECHAT_LIST_POS_END);
color_name = gui_color_get_name (CONFIG_INTEGER(option_found));
if (color_name)
{
gui_completion_list_add (completion,
color_name,
0, WEECHAT_LIST_POS_BEGINNING);
}
break;
case CONFIG_NUM_OPTION_TYPES:
break;
}
}
}
}
}
if (file)
free (file);
if (section)
free (section);
}
}
}
/*
* gui_completion_list_add_weechat_cmd: add WeeChat commands to completion list
*/
void
gui_completion_list_add_weechat_cmd (struct t_gui_completion *completion)
{
struct t_hook *ptr_hook;
for (ptr_hook = weechat_hooks[HOOK_TYPE_COMMAND]; ptr_hook;
ptr_hook = ptr_hook->next_hook)
{
if (!ptr_hook->deleted
&& !ptr_hook->plugin
&& HOOK_COMMAND(ptr_hook, command)
&& HOOK_COMMAND(ptr_hook, command)[0])
{
gui_completion_list_add (completion,
HOOK_COMMAND(ptr_hook, command),
0, WEECHAT_LIST_POS_SORT);
}
}
}
/*
* gui_completion_custom: custom completion by a plugin
*/
void
gui_completion_custom (struct t_gui_completion *completion,
const char *custom_completion,
struct t_weechat_plugin *plugin)
{
hook_completion_exec (plugin,
custom_completion,
completion->buffer,
completion);
}
/*
* gui_completion_build_list_template: build data list according to a template
*/
void
gui_completion_build_list_template (struct t_gui_completion *completion,
const char *template,
struct t_weechat_plugin *plugin)
{
char *word, *custom_completion;
const char *pos, *pos_end;
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';
gui_completion_list_add (completion, word,
0, WEECHAT_LIST_POS_SORT);
}
word_offset = 0;
break;
case '%':
pos++;
if (pos && pos[0])
{
switch (pos[0])
{
case '-': /* stop completion */
gui_completion_stop (completion, 1);
free (word);
return;
break;
case '*': /* repeat last completion (do nothing there) */
break;
case 'b': /* buffers names */
gui_completion_list_add_buffers_names (completion);
break;
case 'c': /* config files */
gui_completion_list_add_config_files (completion);
break;
case 'f': /* filename */
gui_completion_list_add_filename (completion);
break;
case 'F': /* filters */
gui_completion_list_add_filters (completion);
break;
case 'h': /* command hooks */
gui_completion_list_add_command_hooks (completion);
break;
case 'i': /* infos hooked */
gui_completion_list_add_info_hooks (completion);
break;
case 'I': /* infolists hooked */
gui_completion_list_add_infolist_hooks (completion);
break;
case 'n': /* nick */
gui_completion_list_add_nicks (completion);
break;
case 'o': /* config option */
gui_completion_list_add_option (completion);
break;
case 'p': /* plugin name */
gui_completion_list_add_plugin (completion);
break;
case 'P': /* plugin commands */
gui_completion_list_add_plugin_commands (completion);
break;
case 'r': /* bar names */
gui_completion_list_add_bars_names (completion);
break;
case 'v': /* value of config option */
gui_completion_list_add_option_value (completion);
break;
case 'w': /* WeeChat commands */
gui_completion_list_add_weechat_cmd (completion);
break;
case '(': /* custom completion by a plugin */
pos++;
pos_end = strchr (pos, ')');
if (pos_end)
{
if (pos_end > pos)
{
custom_completion = string_strndup (pos,
pos_end - pos);
if (custom_completion)
{
gui_completion_custom (completion,
custom_completion,
plugin);
free (custom_completion);
}
}
pos = pos_end + 1;
}
}
}
break;
default:
word[word_offset++] = pos[0];
}
/* end of argument in template? */
if (!pos[0] || (pos[0] == ' '))
pos = NULL;
else
pos++;
}
free (word);
}
/*
* gui_completion_build_list: build data list according to command and argument #
*/
void
gui_completion_build_list (struct t_gui_completion *completion)
{
struct t_hook *ptr_hook;
char *pos_template, *pos_space;
int repeat_last, i, length;
repeat_last = 0;
ptr_hook = gui_completion_search_command (completion);
if (!ptr_hook || !HOOK_COMMAND(ptr_hook, completion)
|| (strcmp (HOOK_COMMAND(ptr_hook, completion), "-") == 0))
{
gui_completion_stop (completion, 1);
return;
}
length = strlen (HOOK_COMMAND(ptr_hook, completion));
if (length >= 2)
{
if (strcmp (HOOK_COMMAND(ptr_hook, completion) + length - 2,
"%*") == 0)
repeat_last = 1;
}
i = 1;
pos_template = HOOK_COMMAND(ptr_hook, completion);
while (pos_template && pos_template[0])
{
pos_space = strchr (pos_template, ' ');
if (i == completion->base_command_arg)
{
gui_completion_build_list_template (completion, pos_template,
ptr_hook->plugin);
return;
}
if (pos_space)
{
pos_template = pos_space;
while (pos_template[0] == ' ')
pos_template++;
}
else
pos_template = NULL;
i++;
}
if (repeat_last)
{
pos_space = rindex (HOOK_COMMAND(ptr_hook, completion), ' ');
gui_completion_build_list_template (completion,
(pos_space) ?
pos_space + 1 : HOOK_COMMAND(ptr_hook,
completion),
ptr_hook->plugin);
}
}
/*
* gui_completion_find_context: find context for completion
*/
void
gui_completion_find_context (struct t_gui_completion *completion,
const char *data, int size, int pos)
{
int i, command, command_arg, pos_start, pos_end;
/* look for context */
gui_completion_free_data (completion);
gui_completion_init (completion, completion->buffer);
command = ((data[0] == '/') && (data[1] != '/')) ? 1 : 0;
command_arg = 0;
i = 0;
while (i < pos)
{
if (data[i] == ' ')
{
command_arg++;
i++;
while ((i < pos) && (data[i] == ' ')) i++;
if (!completion->args)
completion->args = strdup (data + i);
}
else
i++;
}
if (command)
{
if (command_arg > 0)
{
completion->context = GUI_COMPLETION_COMMAND_ARG;
completion->base_command_arg = command_arg;
}
else
{
completion->context = GUI_COMPLETION_COMMAND;
completion->base_command_arg = 0;
}
}
else
completion->context = GUI_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 (data[i] == ' ')
{
if ((i > 0) && (data[i-1] != ' '))
{
i--;
while ((i >= 0) && (data[i] != ' '))
i--;
pos_start = i + 1;
}
}
else
{
while ((i >= 0) && (data[i] != ' '))
i--;
pos_start = i + 1;
}
i = pos;
while ((i < size) && (data[i] != ' '))
i++;
pos_end = i - 1;
if (completion->context == GUI_COMPLETION_COMMAND)
pos_start++;
completion->base_word_pos = pos_start;
if (pos_start <= pos_end)
{
completion->position_replace = pos_start;
completion->base_word = malloc (pos_end - pos_start + 2);
for (i = pos_start; i <= pos_end; i++)
completion->base_word[i - pos_start] = data[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 == GUI_COMPLETION_COMMAND_ARG)
{
pos_start = 0;
while ((pos_start < size) && (data[pos_start] != '/'))
pos_start++;
if (data[pos_start] == '/')
{
pos_start++;
pos_end = pos_start;
while ((pos_end < size) && (data[pos_end] != ' '))
pos_end++;
if (data[pos_end] == ' ')
pos_end--;
completion->base_command = malloc (pos_end - pos_start + 2);
for (i = pos_start; i <= pos_end; i++)
completion->base_command[i - pos_start] = data[i];
completion->base_command[pos_end - pos_start + 1] = '\0';
gui_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 == GUI_COMPLETION_AUTO)
&& ((!completion->base_word) || (!completion->base_word[0])))
{
completion->context = GUI_COMPLETION_NULL;
return;
}
}
/*
* gui_completion_common_prefix_size: find common prefix size in matching items
* (case is ignored)
* if utf_char is not null, only words
* beginning with this char are compared
* (all other words are ignored)
* for example with items:
* FlashCode, flashy, flashouille
* common prefix size is 5 ("flash")
*/
int
gui_completion_common_prefix_size (struct t_weelist *list,
const char *utf_char)
{
struct t_weelist_item *ptr_item;
char *ptr_first_item, *ptr_char, *next_char;
ptr_first_item = list->items->data;
ptr_char = ptr_first_item;
while (ptr_char && ptr_char[0])
{
next_char = utf8_next_char (ptr_char);
for (ptr_item = list->items->next_item; ptr_item;
ptr_item = ptr_item->next_item)
{
if (!utf_char
|| (utf8_charcasecmp (utf_char, ptr_item->data) == 0))
{
if ((ptr_item->data[ptr_char - ptr_first_item] == '\0')
|| (utf8_charcasecmp (ptr_char,
ptr_item->data + (ptr_char - ptr_first_item)) != 0))
{
return ptr_char - ptr_first_item;
}
}
}
ptr_char = next_char;
}
return ptr_char - ptr_first_item;
}
/*
* gui_completion_partial_build_list: build list with possible completions
* when a partial completion occurs
*/
void
gui_completion_partial_build_list (struct t_gui_completion *completion,
int common_prefix_size)
{
int char_size, items_count;
char utf_char[16], *word;
struct t_weelist *weelist_temp, *weelist_words;
struct t_weelist_item *ptr_item, *next_item;
gui_completion_partial_list_free_all ();
if (!completion->completion_list || !completion->completion_list->items)
return;
weelist_temp = weelist_new ();
if (!weelist_temp)
return;
weelist_words = weelist_new ();
if (!weelist_words)
{
weelist_free (weelist_temp);
return;
}
for (ptr_item = completion->completion_list->items; ptr_item;
ptr_item = ptr_item->next_item)
{
weelist_add (weelist_temp, ptr_item->data + common_prefix_size,
WEECHAT_LIST_POS_END);
}
while (weelist_temp->items)
{
char_size = utf8_char_size (weelist_temp->items->data);
memcpy (utf_char, weelist_temp->items->data, char_size);
utf_char[char_size] = '\0';
word = NULL;
common_prefix_size = gui_completion_common_prefix_size (weelist_temp,
utf_char);
if (common_prefix_size > 0)
{
word = string_strndup (weelist_temp->items->data,
common_prefix_size);
}
items_count = 0;
ptr_item = weelist_temp->items;
while (ptr_item)
{
next_item = ptr_item->next_item;
if (utf8_charcasecmp (utf_char, ptr_item->data) == 0)
{
weelist_remove (weelist_temp, ptr_item);
items_count++;
}
ptr_item = next_item;
}
if (word)
{
gui_completion_partial_list_add (word,
CONFIG_BOOLEAN(config_completion_partial_completion_count) ?
items_count : -1);
free (word);
}
}
weelist_free (weelist_temp);
}
/*
* gui_completion_complete: complete word using matching items
*/
void
gui_completion_complete (struct t_gui_completion *completion,
int nick_completion)
{
int length, word_found_seen, other_completion, partial_completion;
int common_prefix_size;
struct t_weelist_item *ptr_item, *ptr_item2;
length = strlen (completion->base_word);
word_found_seen = 0;
other_completion = 0;
partial_completion = completion->force_partial_completion;
if (!partial_completion)
{
if (nick_completion)
{
partial_completion = CONFIG_BOOLEAN(config_completion_partial_completion_nick);
}
else
{
if (completion->context == GUI_COMPLETION_COMMAND)
{
partial_completion = CONFIG_BOOLEAN(config_completion_partial_completion_command);
}
else
{
partial_completion = CONFIG_BOOLEAN(config_completion_partial_completion_command_arg);
}
}
}
common_prefix_size = 0;
if (partial_completion
&& completion->completion_list && completion->completion_list->items)
{
common_prefix_size = gui_completion_common_prefix_size (completion->completion_list,
NULL);
}
if (completion->direction < 0)
ptr_item = completion->completion_list->last_item;
else
ptr_item = completion->completion_list->items;
if (partial_completion
&& completion->word_found
&& ((int)strlen (completion->word_found) >= common_prefix_size))
{
return;
}
while (ptr_item)
{
if ((nick_completion
&& (gui_completion_nickncmp (completion->base_word, ptr_item->data,
length) == 0))
|| ((!nick_completion)
&& (string_strncasecmp (completion->base_word, ptr_item->data,
length) == 0)))
{
if ((!completion->word_found) || word_found_seen)
{
if (completion->word_found)
free (completion->word_found);
completion->word_found = strdup (ptr_item->data);
/* stop after first nick if user asked that */
if (nick_completion
&& CONFIG_BOOLEAN(config_completion_nick_first_only))
{
gui_completion_stop (completion, 1);
return;
}
if (completion->direction < 0)
ptr_item2 = ptr_item->prev_item;
else
ptr_item2 = ptr_item->next_item;
while (ptr_item2)
{
if ((nick_completion
&& (gui_completion_nickncmp (completion->base_word,
ptr_item2->data,
length) == 0))
|| ((!nick_completion)
&& (string_strncasecmp (completion->base_word,
ptr_item2->data,
length) == 0)))
{
other_completion++;
}
if (completion->direction < 0)
ptr_item2 = ptr_item2->prev_item;
else
ptr_item2 = ptr_item2->next_item;
}
if (other_completion == 0)
completion->position = -1;
else
if (completion->position < 0)
completion->position = 0;
/* stop after common prefix, if asked by user */
if (partial_completion
&& (((int)strlen (completion->word_found) >= common_prefix_size))
&& (other_completion > 0))
{
completion->word_found[common_prefix_size] = '\0';
completion->add_space = 0;
completion->position = -1;
string_tolower (completion->word_found);
/* alert user of partial completion */
if (CONFIG_BOOLEAN(config_completion_partial_completion_alert))
printf ("\a");
/* send "partial_completion" signal, to display possible
completions in bar item */
gui_completion_partial_build_list (completion,
common_prefix_size);
hook_signal_send ("partial_completion",
WEECHAT_HOOK_SIGNAL_STRING, NULL);
return;
}
gui_completion_partial_list_free_all ();
return;
}
other_completion++;
}
if (completion->word_found &&
(string_strcasecmp (ptr_item->data, completion->word_found) == 0))
word_found_seen = 1;
if (completion->direction < 0)
ptr_item = ptr_item->prev_item;
else
ptr_item = ptr_item->next_item;
}
/* if we was on last completion in list, then recomplete, starting from
first matching item */
if (completion->word_found && (completion->position >= 0))
{
free (completion->word_found);
completion->word_found = NULL;
gui_completion_complete (completion, nick_completion);
}
}
/*
* gui_completion_command: complete a command
*/
void
gui_completion_command (struct t_gui_completion *completion)
{
struct t_hook *ptr_hook;
if (!completion->completion_list->items)
{
for (ptr_hook = weechat_hooks[HOOK_TYPE_COMMAND]; ptr_hook;
ptr_hook = ptr_hook->next_hook)
{
if (!ptr_hook->deleted
&& HOOK_COMMAND(ptr_hook, command)
&& HOOK_COMMAND(ptr_hook, command)[0]
&& (HOOK_COMMAND(ptr_hook, level) == 0))
{
gui_completion_list_add (completion,
HOOK_COMMAND(ptr_hook, command),
0, WEECHAT_LIST_POS_SORT);
}
}
}
gui_completion_complete (completion, 0);
}
/*
* gui_completion_nick: complete a nick
*/
void
gui_completion_nick (struct t_gui_completion *completion)
{
if (!completion->completion_list->items)
gui_completion_list_add_nicks (completion);
completion->context = GUI_COMPLETION_NICK;
gui_completion_complete (completion, 1);
}
/*
* gui_completion_auto: auto complete: nick, filename or channel
*/
void
gui_completion_auto (struct t_gui_completion *completion)
{
/* filename completion */
if ((completion->base_word[0] == '/')
|| (completion->base_word[0] == '~'))
{
if (!completion->completion_list->items)
gui_completion_list_add_filename (completion);
gui_completion_complete (completion, 0);
return;
}
/* default: nick completion (if there's a nicklist) */
if (completion->buffer->nicklist_root)
gui_completion_nick (completion);
else
completion->context = GUI_COMPLETION_NULL;
}
/*
* gui_completion_search: complete word according to context
*/
void
gui_completion_search (struct t_gui_completion *completion, int direction,
const char *data, int size, int pos)
{
char *old_word_found;
completion->direction = direction;
/* if new completion => look for base word */
if (pos != completion->position)
{
if (completion->word_found)
free (completion->word_found);
completion->word_found = NULL;
gui_completion_find_context (completion, data, size, pos);
completion->force_partial_completion = (direction < 0);
}
/* completion */
old_word_found = (completion->word_found) ?
strdup (completion->word_found) : NULL;
switch (completion->context)
{
case GUI_COMPLETION_NULL:
/* should never be executed */
return;
case GUI_COMPLETION_NICK:
gui_completion_nick (completion);
break;
case GUI_COMPLETION_COMMAND:
gui_completion_command (completion);
break;
case GUI_COMPLETION_COMMAND_ARG:
if (completion->completion_list->items)
gui_completion_complete (completion, completion->arg_is_nick);
else
{
completion->context = GUI_COMPLETION_AUTO;
gui_completion_auto (completion);
}
break;
case GUI_COMPLETION_AUTO:
gui_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 (old_word_found)
free (old_word_found);
}
/*
* gui_completion_print_log: print completion list in log (usually for crash dump)
*/
void
gui_completion_print_log (struct t_gui_completion *completion)
{
log_printf ("[completion (addr:0x%lx)]", completion);
log_printf (" buffer. . . . . . . . . : 0x%lx", completion->buffer);
log_printf (" context . . . . . . . . : %d", completion->context);
log_printf (" base_command. . . . . . : '%s'", completion->base_command);
log_printf (" base_command_arg. . . . : %d", completion->base_command_arg);
log_printf (" arg_is_nick . . . . . . : %d", completion->arg_is_nick);
log_printf (" base_word . . . . . . . : '%s'", completion->base_word);
log_printf (" base_word_pos . . . . . : %d", completion->base_word_pos);
log_printf (" position. . . . . . . . : %d", completion->position);
log_printf (" args. . . . . . . . . . : '%s'", completion->args);
log_printf (" direction . . . . . . . : %d", completion->direction);
log_printf (" add_space . . . . . . . : %d", completion->add_space);
log_printf (" force_partial_completion: %d", completion->force_partial_completion);
log_printf (" completion_list . . . . : 0x%lx", completion->completion_list);
log_printf (" word_found. . . . . . . : '%s'", completion->word_found);
log_printf (" position_replace. . . . : %d", completion->position_replace);
log_printf (" diff_size . . . . . . . : %d", completion->diff_size);
log_printf (" diff_length . . . . . . : %d", completion->diff_length);
if (completion->completion_list)
{
log_printf ("");
weelist_print_log (completion->completion_list,
"completion list element");
}
}
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