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weechat/src/plugins/spell/spell.c

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/*
* spell.c - spell checker plugin for WeeChat
*
* Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
* Copyright (C) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
* Copyright (C) 2012 Nils Görs <weechatter@arcor.de>
*
* 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 <https://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <wctype.h>
#include "../weechat-plugin.h"
#include "spell.h"
#include "spell-bar-item.h"
#include "spell-command.h"
#include "spell-completion.h"
#include "spell-config.h"
#include "spell-info.h"
#include "spell-speller.h"
WEECHAT_PLUGIN_NAME(SPELL_PLUGIN_NAME);
WEECHAT_PLUGIN_DESCRIPTION(N_("Spell checker for input"));
WEECHAT_PLUGIN_AUTHOR("Sébastien Helleu <flashcode@flashtux.org>");
WEECHAT_PLUGIN_VERSION(WEECHAT_VERSION);
WEECHAT_PLUGIN_LICENSE(WEECHAT_LICENSE);
WEECHAT_PLUGIN_PRIORITY(11000);
struct t_weechat_plugin *weechat_spell_plugin = NULL;
int spell_enabled = 0;
char *spell_nick_completer = NULL;
int spell_len_nick_completer = 0;
#ifdef USE_ENCHANT
EnchantBroker *broker = NULL;
#endif /* USE_ENCHANT */
/*
* aspell supported languages, updated on 2012-07-05
* URL: ftp://ftp.gnu.org/gnu/aspell/dict/0index.html
*/
struct t_spell_code spell_langs[] =
{
{ "af", "Afrikaans" },
{ "am", "Amharic" },
{ "ar", "Arabic" },
{ "ast", "Asturian" },
{ "az", "Azerbaijani" },
{ "be", "Belarusian" },
{ "bg", "Bulgarian" },
{ "bn", "Bengali" },
{ "br", "Breton" },
{ "ca", "Catalan" },
{ "cs", "Czech" },
{ "csb", "Kashubian" },
{ "cy", "Welsh" },
{ "da", "Danish" },
{ "de", "German" },
{ "de-alt", "German - Old Spelling" },
{ "el", "Greek" },
{ "en", "English" },
{ "eo", "Esperanto" },
{ "es", "Spanish" },
{ "et", "Estonian" },
{ "fa", "Persian" },
{ "fi", "Finnish" },
{ "fo", "Faroese" },
{ "fr", "French" },
{ "fy", "Frisian" },
{ "ga", "Irish" },
{ "gd", "Scottish Gaelic" },
{ "gl", "Galician" },
{ "grc", "Ancient Greek" },
{ "gu", "Gujarati" },
{ "gv", "Manx Gaelic" },
{ "he", "Hebrew" },
{ "hi", "Hindi" },
{ "hil", "Hiligaynon" },
{ "hr", "Croatian" },
{ "hsb", "Upper Sorbian" },
{ "hu", "Hungarian" },
{ "hus", "Huastec" },
{ "hy", "Armenian" },
{ "ia", "Interlingua" },
{ "id", "Indonesian" },
{ "is", "Icelandic" },
{ "it", "Italian" },
{ "kn", "Kannada" },
{ "ku", "Kurdi" },
{ "ky", "Kirghiz" },
{ "la", "Latin" },
{ "lt", "Lithuanian" },
{ "lv", "Latvian" },
{ "mg", "Malagasy" },
{ "mi", "Maori" },
{ "mk", "Macedonian" },
{ "ml", "Malayalam" },
{ "mn", "Mongolian" },
{ "mr", "Marathi" },
{ "ms", "Malay" },
{ "mt", "Maltese" },
{ "nb", "Norwegian Bokmal" },
{ "nds", "Low Saxon" },
{ "nl", "Dutch" },
{ "nn", "Norwegian Nynorsk" },
{ "ny", "Chichewa" },
{ "or", "Oriya" },
{ "pa", "Punjabi" },
{ "pl", "Polish" },
{ "pt_BR", "Brazilian Portuguese" },
{ "pt_PT", "Portuguese" },
{ "qu", "Quechua" },
{ "ro", "Romanian" },
{ "ru", "Russian" },
{ "rw", "Kinyarwanda" },
{ "sc", "Sardinian" },
{ "sk", "Slovak" },
{ "sl", "Slovenian" },
{ "sr", "Serbian" },
{ "sv", "Swedish" },
{ "sw", "Swahili" },
{ "ta", "Tamil" },
{ "te", "Telugu" },
{ "tet", "Tetum" },
{ "tk", "Turkmen" },
{ "tl", "Tagalog" },
{ "tn", "Setswana" },
{ "tr", "Turkish" },
{ "uk", "Ukrainian" },
{ "uz", "Uzbek" },
{ "vi", "Vietnamese" },
{ "wa", "Walloon" },
{ "yi", "Yiddish" },
{ "zu", "Zulu" },
{ NULL, NULL}
};
struct t_spell_code spell_countries[] =
{
{ "AT", "Austria" },
{ "BR", "Brazil" },
{ "CA", "Canada" },
{ "CH", "Switzerland" },
{ "DE", "Germany" },
{ "FR", "France" },
{ "GB", "Great Britain" },
{ "PT", "Portugal" },
{ "SK", "Slovakia" },
{ "US", "United States of America" },
{ NULL, NULL}
};
char *spell_url_prefix[] =
{ "http:", "https:", "ftp:", "tftp:", "ftps:", "ssh:", "fish:", "dict:",
"ldap:", "file:", "telnet:", "gopher:", "irc:", "ircs:", "irc6:", "irc6s:",
"cvs:", "svn:", "svn+ssh:", "git:", NULL };
/*
* Builds full name of buffer.
*
* Note: result must be freed after use.
*/
char *
spell_build_option_name (struct t_gui_buffer *buffer)
{
const char *plugin_name, *name;
char *option_name;
int length;
if (!buffer)
return NULL;
plugin_name = weechat_buffer_get_string (buffer, "plugin");
name = weechat_buffer_get_string (buffer, "name");
length = strlen (plugin_name) + 1 + strlen (name) + 1;
option_name = malloc (length);
if (!option_name)
return NULL;
snprintf (option_name, length, "%s.%s", plugin_name, name);
return option_name;
}
/*
* Gets dictionary list for a name of buffer.
*
* First tries with all arguments, then removes one by one to find dict (from
* specific to general dict).
*/
const char *
spell_get_dict_with_buffer_name (const char *name)
{
char *option_name, *ptr_end;
struct t_config_option *ptr_option;
if (!name)
return NULL;
option_name = strdup (name);
if (option_name)
{
ptr_end = option_name + strlen (option_name);
while (ptr_end >= option_name)
{
ptr_option = spell_config_get_dict (option_name);
if (ptr_option)
{
free (option_name);
return weechat_config_string (ptr_option);
}
ptr_end--;
while ((ptr_end >= option_name) && (ptr_end[0] != '.'))
{
ptr_end--;
}
if ((ptr_end >= option_name) && (ptr_end[0] == '.'))
ptr_end[0] = '\0';
}
ptr_option = spell_config_get_dict (option_name);
free (option_name);
if (ptr_option)
return weechat_config_string (ptr_option);
}
/* nothing found => return default dictionary (if set) */
if (weechat_config_string (spell_config_check_default_dict)
&& weechat_config_string (spell_config_check_default_dict)[0])
{
return weechat_config_string (spell_config_check_default_dict);
}
/* no default dictionary set */
return NULL;
}
/*
* Gets dictionary list for a buffer.
*
* First tries with all arguments, then removes one by one to find dict (from
* specific to general dict).
*/
const char *
spell_get_dict (struct t_gui_buffer *buffer)
{
char *name;
const char *dict;
name = spell_build_option_name (buffer);
if (!name)
return NULL;
dict = spell_get_dict_with_buffer_name (name);
free (name);
return dict;
}
/*
* Checks if command is authorized for spell checking.
*
* Returns:
* 1: command authorized
* 0: command not authorized
*/
int
spell_command_authorized (const char *command)
{
int length_command, i;
if (!command)
return 1;
length_command = strlen (command);
for (i = 0; i < spell_count_commands_to_check; i++)
{
if ((spell_length_commands_to_check[i] == length_command)
&& (weechat_strcasecmp (command,
spell_commands_to_check[i]) == 0))
{
/* command is authorized */
return 1;
}
}
/* command is not authorized */
return 0;
}
/*
* Checks if a word is an URL.
*
* Returns:
* 1: word is an URL
* 0: word is not an URL
*/
int
spell_string_is_url (const char *word)
{
int i;
for (i = 0; spell_url_prefix[i]; i++)
{
if (weechat_strncasecmp (word, spell_url_prefix[i],
strlen (spell_url_prefix[i])) == 0)
return 1;
}
/* word is not an URL */
return 0;
}
/*
* Checks if a word is a nick of nicklist.
*
* Returns:
* 1: word is a nick of nicklist
* 0: word is not a nick of nicklist
*/
int
spell_string_is_nick (struct t_gui_buffer *buffer, const char *word)
{
char *pos, *pos_nick_completer, *pos_space, saved_char;
const char *buffer_type, *buffer_nick, *buffer_channel;
int rc;
pos_nick_completer = (spell_nick_completer) ?
strstr (word, spell_nick_completer) : NULL;
pos_space = strchr (word, ' ');
pos = NULL;
if (pos_nick_completer && pos_space)
{
if ((pos_nick_completer < pos_space)
&& (pos_nick_completer + spell_len_nick_completer == pos_space))
{
pos = pos_nick_completer;
}
else
pos = pos_space;
}
else
{
pos = (pos_nick_completer
&& !pos_nick_completer[spell_len_nick_completer]) ?
pos_nick_completer : pos_space;
}
if (pos)
{
saved_char = pos[0];
pos[0] = '\0';
}
rc = (weechat_nicklist_search_nick (buffer, NULL, word)) ? 1 : 0;
if (!rc)
{
/* for "private" buffers, check if word is self or remote nick */
buffer_type = weechat_buffer_get_string (buffer, "localvar_type");
if (buffer_type && (strcmp (buffer_type, "private") == 0))
{
/* check self nick */
buffer_nick = weechat_buffer_get_string (buffer, "localvar_nick");
if (buffer_nick && (weechat_strcasecmp (buffer_nick, word) == 0))
{
rc = 1;
}
else
{
/* check remote nick */
buffer_channel = weechat_buffer_get_string (buffer,
"localvar_channel");
if (buffer_channel
&& (weechat_strcasecmp (buffer_channel, word) == 0))
{
rc = 1;
}
}
}
}
if (pos)
pos[0] = saved_char;
return rc;
}
/*
* Checks if a word is made of digits and punctuation.
*
* Returns:
* 1: word has only digits and punctuation
* 0: word has some other chars (not digits neither punctuation)
*/
int
spell_string_is_simili_number (const char *word)
{
int code_point;
if (!word || !word[0])
return 0;
while (word && word[0])
{
code_point = weechat_utf8_char_int (word);
if (!iswpunct (code_point) && !iswdigit (code_point))
return 0;
word = weechat_utf8_next_char (word);
}
/* there are only digits or punctuation */
return 1;
}
/*
* Spell checks a word.
*
* Returns:
* 1: word is OK
* 0: word is misspelled
*/
int
spell_check_word (struct t_spell_speller_buffer *speller_buffer,
const char *word)
{
int i;
/* word too small? then do not check word */
if ((weechat_config_integer (spell_config_check_word_min_length) > 0)
&& ((int)strlen (word) < weechat_config_integer (spell_config_check_word_min_length)))
return 1;
/* word is a number? then do not check word */
if (spell_string_is_simili_number (word))
return 1;
/* check word with all spellers (order is important) */
if (speller_buffer->spellers)
{
for (i = 0; speller_buffer->spellers[i]; i++)
{
#ifdef USE_ENCHANT
if (enchant_dict_check (speller_buffer->spellers[i], word, strlen (word)) == 0)
#else
if (aspell_speller_check (speller_buffer->spellers[i], word, -1) == 1)
#endif /* USE_ENCHANT */
return 1;
}
}
/* misspelled word! */
return 0;
}
/*
* Gets suggestions for a word.
*
* Returns a string with format: "suggest1,suggest2,suggest3".
*
* Note: result must be freed after use (if not NULL).
*/
char *
spell_get_suggestions (struct t_spell_speller_buffer *speller_buffer,
const char *word)
{
int i, size, max_suggestions, num_suggestions;
char *suggestions, *suggestions2;
const char *ptr_word;
#ifdef USE_ENCHANT
char **elements;
size_t num_elements;
#else
const AspellWordList *list;
AspellStringEnumeration *elements;
#endif /* USE_ENCHANT */
max_suggestions = weechat_config_integer (spell_config_check_suggestions);
if (max_suggestions < 0)
return NULL;
size = 1;
suggestions = malloc (size);
if (!suggestions)
return NULL;
suggestions[0] = '\0';
if (speller_buffer->spellers)
{
for (i = 0; speller_buffer->spellers[i]; i++)
{
#ifdef USE_ENCHANT
elements = enchant_dict_suggest (speller_buffer->spellers[i], word,
-1, &num_elements);
if (elements)
{
if (num_elements > 0)
{
num_suggestions = 0;
while ((ptr_word = elements[num_suggestions]) != NULL)
{
size += strlen (ptr_word) + ((suggestions[0]) ? 1 : 0);
suggestions2 = realloc (suggestions, size);
if (!suggestions2)
{
free (suggestions);
enchant_dict_free_string_list (speller_buffer->spellers[i],
elements);
return NULL;
}
suggestions = suggestions2;
if (suggestions[0])
strcat (suggestions, (num_suggestions == 0) ? "/" : ",");
strcat (suggestions, ptr_word);
num_suggestions++;
if (num_suggestions == max_suggestions)
break;
}
}
enchant_dict_free_string_list (speller_buffer->spellers[i], elements);
}
#else
list = aspell_speller_suggest (speller_buffer->spellers[i], word, -1);
if (list)
{
elements = aspell_word_list_elements (list);
num_suggestions = 0;
while ((ptr_word = aspell_string_enumeration_next (elements)) != NULL)
{
size += strlen (ptr_word) + ((suggestions[0]) ? 1 : 0);
suggestions2 = realloc (suggestions, size);
if (!suggestions2)
{
free (suggestions);
delete_aspell_string_enumeration (elements);
return NULL;
}
suggestions = suggestions2;
if (suggestions[0])
strcat (suggestions, (num_suggestions == 0) ? "/" : ",");
strcat (suggestions, ptr_word);
num_suggestions++;
if (num_suggestions == max_suggestions)
break;
}
delete_aspell_string_enumeration (elements);
}
#endif /* USE_ENCHANT */
}
}
/* no suggestions found */
if (!suggestions[0])
{
free (suggestions);
return NULL;
}
return suggestions;
}
/*
* Updates input text by adding color for misspelled words.
*/
char *
spell_modifier_cb (const void *pointer, void *data,
const char *modifier,
const char *modifier_data, const char *string)
{
unsigned long value;
struct t_gui_buffer *buffer;
struct t_spell_speller_buffer *ptr_speller_buffer;
char *result, *ptr_string, *ptr_string_orig, *pos_space;
char *ptr_end, *ptr_end_valid, save_end;
char *misspelled_word, *old_misspelled_word, *old_suggestions, *suggestions;
char *word_and_suggestions;
const char *color_normal, *color_error, *ptr_suggestions, *pos_colon;
int code_point, char_size;
int length, index_result, length_word, word_ok;
int length_color_normal, length_color_error, rc;
int input_pos, current_pos, word_start_pos, word_end_pos, word_end_pos_valid;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) modifier;
if (!spell_enabled)
return NULL;
if (!string)
return NULL;
rc = sscanf (modifier_data, "%lx", &value);
if ((rc == EOF) || (rc == 0))
return NULL;
buffer = (struct t_gui_buffer *)value;
/* check text during search only if option is enabled */
if (weechat_buffer_get_integer (buffer, "text_search")
&& !weechat_config_boolean (spell_config_check_during_search))
return NULL;
/* get structure with speller info for buffer */
ptr_speller_buffer = weechat_hashtable_get (spell_speller_buffer,
buffer);
if (!ptr_speller_buffer)
{
ptr_speller_buffer = spell_speller_buffer_new (buffer);
if (!ptr_speller_buffer)
return NULL;
}
if (!ptr_speller_buffer->spellers)
return NULL;
/*
* for performance: return last string built if input string is the
* same (and cursor position is the same, if suggestions are enabled)
*/
input_pos = weechat_buffer_get_integer (buffer, "input_pos");
if (ptr_speller_buffer->modifier_string
&& (strcmp (string, ptr_speller_buffer->modifier_string) == 0)
&& ((weechat_config_integer (spell_config_check_suggestions) < 0)
|| (input_pos == ptr_speller_buffer->input_pos)))
{
return (ptr_speller_buffer->modifier_result) ?
strdup (ptr_speller_buffer->modifier_result) : NULL;
}
/* free last modifier string and result */
if (ptr_speller_buffer->modifier_string)
{
free (ptr_speller_buffer->modifier_string);
ptr_speller_buffer->modifier_string = NULL;
}
if (ptr_speller_buffer->modifier_result)
{
free (ptr_speller_buffer->modifier_result);
ptr_speller_buffer->modifier_result = NULL;
}
misspelled_word = NULL;
/* save last modifier string received */
ptr_speller_buffer->modifier_string = strdup (string);
ptr_speller_buffer->input_pos = input_pos;
color_normal = weechat_color ("bar_fg");
length_color_normal = strlen (color_normal);
color_error = weechat_color (weechat_config_string (spell_config_color_misspelled));
length_color_error = strlen (color_error);
length = strlen (string);
result = malloc (length + (length * length_color_error) + 1);
if (result)
{
result[0] = '\0';
ptr_string = ptr_speller_buffer->modifier_string;
index_result = 0;
/* check if string is a command */
if (!weechat_string_input_for_buffer (ptr_string))
{
char_size = weechat_utf8_char_size (ptr_string);
ptr_string += char_size;
pos_space = ptr_string;
while (pos_space && pos_space[0] && (pos_space[0] != ' '))
{
pos_space = (char *)weechat_utf8_next_char (pos_space);
}
if (!pos_space || !pos_space[0])
{
free (result);
return NULL;
}
pos_space[0] = '\0';
/* exit if command is not authorized for spell checking */
if (!spell_command_authorized (ptr_string))
{
free (result);
return NULL;
}
memcpy (result + index_result,
ptr_speller_buffer->modifier_string,
char_size);
index_result += char_size;
strcpy (result + index_result, ptr_string);
index_result += strlen (ptr_string);
pos_space[0] = ' ';
ptr_string = pos_space;
}
current_pos = 0;
while (ptr_string[0])
{
ptr_string_orig = NULL;
/* find start of word: it must start with an alphanumeric char */
code_point = weechat_utf8_char_int (ptr_string);
while ((!iswalnum (code_point)) || iswspace (code_point))
{
if (!ptr_string_orig && !iswspace (code_point))
ptr_string_orig = ptr_string;
char_size = weechat_utf8_char_size (ptr_string);
memcpy (result + index_result, ptr_string, char_size);
index_result += char_size;
ptr_string += char_size;
current_pos++;
if (!ptr_string[0])
break;
code_point = weechat_utf8_char_int (ptr_string);
}
if (!ptr_string[0])
break;
if (!ptr_string_orig)
ptr_string_orig = ptr_string;
word_start_pos = current_pos;
word_end_pos = current_pos;
word_end_pos_valid = current_pos;
/* find end of word: ' and - allowed in word, but not at the end */
ptr_end_valid = ptr_string;
ptr_end = (char *)weechat_utf8_next_char (ptr_string);
code_point = weechat_utf8_char_int (ptr_end);
while (iswalnum (code_point) || (code_point == '\'')
|| (code_point == '-'))
{
word_end_pos++;
if (iswalnum (code_point))
{
/* pointer to last alphanumeric char in the word */
ptr_end_valid = ptr_end;
word_end_pos_valid = word_end_pos;
}
ptr_end = (char *)weechat_utf8_next_char (ptr_end);
if (!ptr_end[0])
break;
code_point = weechat_utf8_char_int (ptr_end);
}
ptr_end = (char *)weechat_utf8_next_char (ptr_end_valid);
word_end_pos = word_end_pos_valid;
word_ok = 0;
if (spell_string_is_url (ptr_string)
|| spell_string_is_nick (buffer, ptr_string_orig))
{
/*
* word is an URL or a nick, then it is OK: search for next
* space (will be end of word)
*/
word_ok = 1;
if (ptr_end[0])
{
code_point = weechat_utf8_char_int (ptr_end);
while (!iswspace (code_point))
{
ptr_end = (char *)weechat_utf8_next_char (ptr_end);
if (!ptr_end[0])
break;
code_point = weechat_utf8_char_int (ptr_end);
}
}
}
save_end = ptr_end[0];
ptr_end[0] = '\0';
length_word = ptr_end - ptr_string;
if (!word_ok)
{
if ((save_end != '\0')
|| (weechat_config_integer (spell_config_check_real_time)))
{
word_ok = spell_check_word (ptr_speller_buffer,
ptr_string);
if (!word_ok && (input_pos >= word_start_pos))
{
/*
* if word is misspelled and that cursor is after
* the beginning of this word, save the word (we will
* look for suggestions after this loop)
*/
if (misspelled_word)
free (misspelled_word);
misspelled_word = strdup (ptr_string);
}
}
else
word_ok = 1;
}
/* add error color */
if (!word_ok)
{
strcpy (result + index_result, color_error);
index_result += length_color_error;
}
/* add word */
strcpy (result + index_result, ptr_string);
index_result += length_word;
/* add normal color (after misspelled word) */
if (!word_ok)
{
strcpy (result + index_result, color_normal);
index_result += length_color_normal;
}
if (save_end == '\0')
break;
ptr_end[0] = save_end;
ptr_string = ptr_end;
current_pos = word_end_pos + 1;
}
result[index_result] = '\0';
}
/* save old suggestions in buffer */
ptr_suggestions = weechat_buffer_get_string (buffer,
"localvar_spell_suggest");
old_suggestions = (ptr_suggestions) ? strdup (ptr_suggestions) : NULL;
/* if there is a misspelled word, get suggestions and set them in buffer */
if (misspelled_word)
{
/*
* get the old misspelled word; we'll get suggestions or clear
* local variable "spell_suggest" only if the current misspelled
* word is different
*/
old_misspelled_word = NULL;
if (old_suggestions)
{
pos_colon = strchr (old_suggestions, ':');
old_misspelled_word = (pos_colon) ?
weechat_strndup (old_suggestions, pos_colon - old_suggestions) :
strdup (old_suggestions);
}
if (!old_misspelled_word
|| (strcmp (old_misspelled_word, misspelled_word) != 0))
{
suggestions = spell_get_suggestions (ptr_speller_buffer,
misspelled_word);
if (suggestions)
{
length = strlen (misspelled_word) + 1 /* ":" */
+ strlen (suggestions) + 1;
word_and_suggestions = malloc (length);
if (word_and_suggestions)
{
snprintf (word_and_suggestions, length, "%s:%s",
misspelled_word, suggestions);
weechat_buffer_set (buffer, "localvar_set_spell_suggest",
word_and_suggestions);
free (word_and_suggestions);
}
else
{
weechat_buffer_set (buffer,
"localvar_del_spell_suggest", "");
}
free (suggestions);
}
else
{
/* set a misspelled word in buffer, also without suggestions */
weechat_buffer_set (buffer, "localvar_set_spell_suggest",
misspelled_word);
}
}
if (old_misspelled_word)
free (old_misspelled_word);
free (misspelled_word);
}
else
{
weechat_buffer_set (buffer, "localvar_del_spell_suggest", "");
}
/*
* if suggestions have changed, update the bar item
* and send signal "spell_suggest"
*/
ptr_suggestions = weechat_buffer_get_string (buffer,
"localvar_spell_suggest");
if ((old_suggestions && !ptr_suggestions)
|| (!old_suggestions && ptr_suggestions)
|| (old_suggestions && ptr_suggestions
&& (strcmp (old_suggestions, ptr_suggestions) != 0)))
{
weechat_bar_item_update ("spell_suggest");
(void) weechat_hook_signal_send ("spell_suggest",
WEECHAT_HOOK_SIGNAL_POINTER, buffer);
}
if (old_suggestions)
free (old_suggestions);
if (!result)
return NULL;
ptr_speller_buffer->modifier_result = strdup (result);
return result;
}
/*
* Refreshes bar items on signal "buffer_switch".
*/
int
spell_buffer_switch_cb (const void *pointer, void *data, const char *signal,
const char *type_data, void *signal_data)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) signal;
(void) type_data;
(void) signal_data;
/* refresh bar items (for root bars) */
weechat_bar_item_update ("spell_dict");
weechat_bar_item_update ("spell_suggest");
return WEECHAT_RC_OK;
}
/*
* Refreshes bar items on signal "window_switch".
*/
int
spell_window_switch_cb (const void *pointer, void *data, const char *signal,
const char *type_data, void *signal_data)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) signal;
(void) type_data;
(void) signal_data;
/* refresh bar items (for root bars) */
weechat_bar_item_update ("spell_dict");
weechat_bar_item_update ("spell_suggest");
return WEECHAT_RC_OK;
}
/*
* Removes struct for buffer in hashtable "spell_speller_buffer" on
* signal "buffer_closed".
*/
int
spell_buffer_closed_cb (const void *pointer, void *data, const char *signal,
const char *type_data, void *signal_data)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) signal;
(void) type_data;
weechat_hashtable_remove (spell_speller_buffer, signal_data);
return WEECHAT_RC_OK;
}
/*
* Display infos about external libraries used.
*/
int
spell_debug_libs_cb (const void *pointer, void *data, const char *signal,
const char *type_data, void *signal_data)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) signal;
(void) type_data;
(void) signal_data;
#ifdef USE_ENCHANT
#ifdef HAVE_ENCHANT_GET_VERSION
weechat_printf (NULL, " %s: enchant %s",
SPELL_PLUGIN_NAME, enchant_get_version ());
#else
weechat_printf (NULL, " %s: enchant (?)", SPELL_PLUGIN_NAME);
#endif /* HAVE_ENCHANT_GET_VERSION */
#else
#ifdef HAVE_ASPELL_VERSION_STRING
weechat_printf (NULL, " %s: aspell %s",
SPELL_PLUGIN_NAME, aspell_version_string ());
#else
weechat_printf (NULL, " %s: aspell (?)", SPELL_PLUGIN_NAME);
#endif /* HAVE_ASPELL_VERSION_STRING */
#endif /* USE_ENCHANT */
return WEECHAT_RC_OK;
}
/*
* Callback for changes to option "weechat.completion.nick_completer".
*/
int
spell_config_change_nick_completer_cb (const void *pointer, void *data,
const char *option, const char *value)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
if (spell_nick_completer)
free (spell_nick_completer);
spell_nick_completer = weechat_string_strip (value, 0, 1, " ");
spell_len_nick_completer =
(spell_nick_completer) ? strlen (spell_nick_completer) : 0;
return WEECHAT_RC_OK;
}
/*
* Initializes spell plugin.
*/
int
weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])
{
/* make C compiler happy */
(void) argc;
(void) argv;
weechat_plugin = plugin;
#ifdef USE_ENCHANT
/* acquire enchant broker */
broker = enchant_broker_init ();
if (!broker)
return WEECHAT_RC_ERROR;
#endif /* USE_ENCHANT */
if (!spell_speller_init ())
return WEECHAT_RC_ERROR;
if (!spell_config_init ())
return WEECHAT_RC_ERROR;
spell_config_read ();
spell_command_init ();
spell_completion_init ();
/*
* callback for spell checking input text
* we use a low priority here, so that other modifiers "input_text_display"
* (from other plugins) will be called before this one
*/
weechat_hook_modifier ("500|input_text_display",
&spell_modifier_cb, NULL, NULL);
spell_bar_item_init ();
spell_info_init ();
weechat_hook_signal ("buffer_switch",
&spell_buffer_switch_cb, NULL, NULL);
weechat_hook_signal ("window_switch",
&spell_window_switch_cb, NULL, NULL);
weechat_hook_signal ("buffer_closed",
&spell_buffer_closed_cb, NULL, NULL);
weechat_hook_signal ("debug_libs",
&spell_debug_libs_cb, NULL, NULL);
weechat_hook_config ("weechat.completion.nick_completer",
&spell_config_change_nick_completer_cb,
NULL, NULL);
/* manually call callback to initialize */
spell_config_change_nick_completer_cb (
NULL, NULL, "weechat.completion.nick_completer",
weechat_config_string (
weechat_config_get ("weechat.completion.nick_completer")));
return WEECHAT_RC_OK;
}
/*
* Ends spell plugin.
*/
int
weechat_plugin_end (struct t_weechat_plugin *plugin)
{
/* make C compiler happy */
(void) plugin;
spell_config_write ();
spell_config_free ();
spell_speller_end ();
#ifdef USE_ENCHANT
/* release enchant broker */
enchant_broker_free (broker);
#endif /* USE_ENCHANT */
if (spell_nick_completer)
free (spell_nick_completer);
return WEECHAT_RC_OK;
}
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