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506 lines
14 KiB
506 lines
14 KiB
/* vim: set sw=8: -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/* kspell2 - adopted from Enchant
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* Copyright (C) 2003 Dom Lachowicz
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* Copyright (C) 2004 Zack Rusin <zack@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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* In addition, as a special exception, Dom Lachowicz
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* gives permission to link the code of this program with
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* non-LGPL Spelling Provider libraries (eg: a MSFT Office
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* spell checker backend) and distribute linked combinations including
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* the two. You must obey the GNU Lesser General Public License in all
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* respects for all of the code used other than said providers. If you modify
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* this file, you may extend this exception to your version of the
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* file, but you are not obligated to do so. If you do not wish to
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* do so, delete this exception statement from your version.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string>
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#include <vector>
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#include "sp_spell.h"
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#include "ispell_checker.h"
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#include <tqmap.h>
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#include <tqdir.h>
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#include <tqfileinfo.h>
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/***************************************************************************/
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typedef struct str_ispell_map
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{
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const char * lang;
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const char * dict;
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const char * enc;
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} IspellMap;
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static const char *ispell_dirs [] = {
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"/usr/lib/ispell",
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"/usr/local/lib/ispell",
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"/usr/local/share/ispell",
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"/usr/share/ispell",
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"/usr/pkg/lib",
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0
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};
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static const IspellMap ispell_map [] = {
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{"ca" ,"catala.hash" ,"iso-8859-1" },
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{"ca_ES" ,"catala.hash" ,"iso-8859-1" },
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{"cs" ,"czech.hash" ,"iso-8859-2" },
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{"cs_CZ" ,"czech.hash" ,"iso-8859-2" },
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{"da" ,"dansk.hash" ,"iso-8859-1" },
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{"da_DK" ,"dansk.hash" ,"iso-8859-1" },
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{"de" ,"deutsch.hash" ,"iso-8859-1" },
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{"de_CH" ,"swiss.hash" ,"iso-8859-1" },
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{"de_AT" ,"deutsch.hash" ,"iso-8859-1" },
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{"de_DE" ,"deutsch.hash" ,"iso-8859-1" },
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{"el" ,"ellhnika.hash" ,"iso-8859-7" },
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{"el_GR" ,"ellhnika.hash" ,"iso-8859-7" },
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{"en" ,"british.hash" ,"iso-8859-1" },
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{"en_AU" ,"british.hash" ,"iso-8859-1" },
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{"en_BZ" ,"british.hash" ,"iso-8859-1" },
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{"en_CA" ,"british.hash" ,"iso-8859-1" },
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{"en_GB" ,"british.hash" ,"iso-8859-1" },
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{"en_IE" ,"british.hash" ,"iso-8859-1" },
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{"en_JM" ,"british.hash" ,"iso-8859-1" },
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{"en_NZ" ,"british.hash" ,"iso-8859-1" },
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{"en_TT" ,"british.hash" ,"iso-8859-1" },
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{"en_ZA" ,"british.hash" ,"iso-8859-1" },
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{"en_ZW" ,"british.hash" ,"iso-8859-1" },
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{"en_PH" ,"american.hash" ,"iso-8859-1" },
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{"en_US" ,"american.hash" ,"iso-8859-1" },
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{"eo" ,"esperanto.hash" ,"iso-8859-3" },
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{"es" ,"espanol.hash" ,"iso-8859-1" },
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{"es_AR" ,"espanol.hash" ,"iso-8859-1" },
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{"es_BO" ,"espanol.hash" ,"iso-8859-1" },
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{"es_CL" ,"espanol.hash" ,"iso-8859-1" },
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{"es_CO" ,"espanol.hash" ,"iso-8859-1" },
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{"es_CR" ,"espanol.hash" ,"iso-8859-1" },
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{"es_DO" ,"espanol.hash" ,"iso-8859-1" },
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{"es_EC" ,"espanol.hash" ,"iso-8859-1" },
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{"es_ES" ,"espanol.hash" ,"iso-8859-1" },
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{"es_GT" ,"espanol.hash" ,"iso-8859-1" },
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{"es_HN" ,"espanol.hash" ,"iso-8859-1" },
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{"es_MX" ,"espanol.hash" ,"iso-8859-1" },
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{"es_NI" ,"espanol.hash" ,"iso-8859-1" },
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{"es_PA" ,"espanol.hash" ,"iso-8859-1" },
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{"es_PE" ,"espanol.hash" ,"iso-8859-1" },
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{"es_PR" ,"espanol.hash" ,"iso-8859-1" },
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{"es_PY" ,"espanol.hash" ,"iso-8859-1" },
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{"es_SV" ,"espanol.hash" ,"iso-8859-1" },
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{"es_UY" ,"espanol.hash" ,"iso-8859-1" },
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{"es_VE" ,"espanol.hash" ,"iso-8859-1" },
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{"fi" ,"finnish.hash" ,"iso-8859-1" },
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{"fi_FI" ,"finnish.hash" ,"iso-8859-1" },
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{"fr" ,"francais.hash" ,"iso-8859-1" },
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{"fr_BE" ,"francais.hash" ,"iso-8859-1" },
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{"fr_CA" ,"francais.hash" ,"iso-8859-1" },
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{"fr_CH" ,"francais.hash" ,"iso-8859-1" },
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{"fr_FR" ,"francais.hash" ,"iso-8859-1" },
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{"fr_LU" ,"francais.hash" ,"iso-8859-1" },
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{"fr_MC" ,"francais.hash" ,"iso-8859-1" },
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{"hu" ,"hungarian.hash" ,"iso-8859-2" },
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{"hu_HU" ,"hungarian.hash" ,"iso-8859-2" },
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{"ga" ,"irish.hash" ,"iso-8859-1" },
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{"ga_IE" ,"irish.hash" ,"iso-8859-1" },
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{"gl" ,"galician.hash" ,"iso-8859-1" },
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{"gl_ES" ,"galician.hash" ,"iso-8859-1" },
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{"ia" ,"interlingua.hash" ,"iso-8859-1" },
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{"it" ,"italian.hash" ,"iso-8859-1" },
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{"it_IT" ,"italian.hash" ,"iso-8859-1" },
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{"it_CH" ,"italian.hash" ,"iso-8859-1" },
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{"la" ,"mlatin.hash" ,"iso-8859-1" },
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{"la_IT" ,"mlatin.hash" ,"iso-8859-1" },
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{"lt" ,"lietuviu.hash" ,"iso-8859-13" },
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{"lt_LT" ,"lietuviu.hash" ,"iso-8859-13" },
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{"nl" ,"nederlands.hash" ,"iso-8859-1" },
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{"nl_NL" ,"nederlands.hash" ,"iso-8859-1" },
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{"nl_BE" ,"nederlands.hash" ,"iso-8859-1" },
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{"nb" ,"norsk.hash" ,"iso-8859-1" },
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{"nb_NO" ,"norsk.hash" ,"iso-8859-1" },
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{"nn" ,"nynorsk.hash" ,"iso-8859-1" },
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{"nn_NO" ,"nynorsk.hash" ,"iso-8859-1" },
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{"no" ,"norsk.hash" ,"iso-8859-1" },
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{"no_NO" ,"norsk.hash" ,"iso-8859-1" },
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{"pl" ,"polish.hash" ,"iso-8859-2" },
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{"pl_PL" ,"polish.hash" ,"iso-8859-2" },
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{"pt" ,"brazilian.hash" ,"iso-8859-1" },
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{"pt_BR" ,"brazilian.hash" ,"iso-8859-1" },
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{"pt_PT" ,"portugues.hash" ,"iso-8859-1" },
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{"ru" ,"russian.hash" ,"koi8-r" },
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{"ru_MD" ,"russian.hash" ,"koi8-r" },
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{"ru_RU" ,"russian.hash" ,"koi8-r" },
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{"sc" ,"sardinian.hash" ,"iso-8859-1" },
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{"sc_IT" ,"sardinian.hash" ,"iso-8859-1" },
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{"sk" ,"slovak.hash" ,"iso-8859-2" },
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{"sk_SK" ,"slovak.hash" ,"iso-8859-2" },
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{"sl" ,"slovensko.hash" ,"iso-8859-2" },
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{"sl_SI" ,"slovensko.hash" ,"iso-8859-2" },
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{"sv" ,"svenska.hash" ,"iso-8859-1" },
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{"sv_SE" ,"svenska.hash" ,"iso-8859-1" },
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{"uk" ,"ukrainian.hash" ,"koi8-u" },
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{"uk_UA" ,"ukrainian.hash" ,"koi8-u" },
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{"yi" ,"yiddish-yivo.hash" ,"utf-8" }
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};
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static const size_t size_ispell_map = ( sizeof(ispell_map) / sizeof((ispell_map)[0]) );
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static TQMap<TQString, TQString> ispell_dict_map;
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void
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ISpellChecker::try_autodetect_charset(const char * const inEncoding)
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{
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if (inEncoding && strlen(inEncoding))
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{
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m_translate_in = TQTextCodec::codecForName(inEncoding);
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}
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}
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/***************************************************************************/
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/***************************************************************************/
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ISpellChecker::ISpellChecker()
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: deftflag(-1),
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prefstringchar(-1),
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m_bSuccessfulInit(false),
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m_BC(NULL),
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m_cd(NULL),
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m_cl(NULL),
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m_cm(NULL),
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m_ho(NULL),
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m_nd(NULL),
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m_so(NULL),
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m_se(NULL),
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m_ti(NULL),
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m_te(NULL),
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m_hashstrings(NULL),
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m_hashtbl(NULL),
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m_pflaglist(NULL),
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m_sflaglist(NULL),
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m_chartypes(NULL),
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m_infile(NULL),
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m_outfile(NULL),
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m_askfilename(NULL),
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m_Trynum(0),
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m_translate_in(0)
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{
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memset(m_sflagindex,0,sizeof(m_sflagindex));
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memset(m_pflagindex,0,sizeof(m_pflagindex));
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}
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#ifndef FREEP
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#define FREEP(p) do { if (p) free(p); } while (0)
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#endif
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ISpellChecker::~ISpellChecker()
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{
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if (m_bSuccessfulInit) {
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// only cleanup our mess if we were successfully initialized
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clearindex (m_pflagindex);
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clearindex (m_sflagindex);
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}
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FREEP(m_hashtbl);
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FREEP(m_hashstrings);
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FREEP(m_sflaglist);
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FREEP(m_chartypes);
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delete m_translate_in;
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m_translate_in = 0;
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}
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bool
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ISpellChecker::checkWord( const TQString& utf8Word )
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{
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ichar_t iWord[INPUTWORDLEN + MAXAFFIXLEN];
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if (!m_bSuccessfulInit)
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return false;
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if (!utf8Word || utf8Word.length() >= (INPUTWORDLEN + MAXAFFIXLEN) || utf8Word.isEmpty())
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return false;
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bool retVal = false;
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TQCString out;
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if (!m_translate_in)
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return false;
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else {
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/* convert to 8bit string and null terminate */
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int len_out = utf8Word.length();
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out = m_translate_in->fromUnicode( utf8Word, len_out );
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}
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if (!strtoichar(iWord, out.data(), INPUTWORDLEN + MAXAFFIXLEN, 0))
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{
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if (good(iWord, 0, 0, 1, 0) == 1 ||
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compoundgood(iWord, 1) == 1)
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{
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retVal = true;
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}
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}
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return retVal;
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}
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TQStringList
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ISpellChecker::suggestWord(const TQString& utf8Word)
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{
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ichar_t iWord[INPUTWORDLEN + MAXAFFIXLEN];
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int c;
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if (!m_bSuccessfulInit)
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return TQStringList();
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if (utf8Word.isEmpty() || utf8Word.length() >= (INPUTWORDLEN + MAXAFFIXLEN) ||
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utf8Word.length() == 0)
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return TQStringList();
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TQCString out;
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if (!m_translate_in)
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return TQStringList();
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else
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{
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/* convert to 8bit string and null terminate */
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int len_out = utf8Word.length();
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out = m_translate_in->fromUnicode( utf8Word, len_out );
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}
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if (!strtoichar(iWord, out.data(), INPUTWORDLEN + MAXAFFIXLEN, 0))
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makepossibilities(iWord);
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else
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return TQStringList();
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TQStringList sugg_arr;
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for (c = 0; c < m_pcount; c++)
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{
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TQString utf8Word;
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if (!m_translate_in)
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{
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/* copy to 8bit string and null terminate */
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utf8Word = TQString::fromUtf8( m_possibilities[c] );
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}
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else
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{
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/* convert to 32bit string and null terminate */
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utf8Word = m_translate_in->toUnicode( m_possibilities[c] );
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}
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sugg_arr.append( utf8Word );
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}
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return sugg_arr;
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}
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static void
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s_buildHashNames (std::vector<std::string> & names, const char * dict)
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{
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const char * tmp = 0;
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int i = 0;
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names.clear ();
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while ( (tmp = ispell_dirs[i++]) ) {
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TQCString maybeFile = TQCString( tmp ) + '/';
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maybeFile += dict;
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names.push_back( maybeFile.data() );
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}
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}
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static void
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s_allDics()
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{
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const char * tmp = 0;
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int i = 0;
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while ( (tmp = ispell_dirs[i++]) ) {
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TQDir dir( tmp );
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TQStringList lst = dir.entryList( "*.hash" );
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for ( TQStringList::Iterator it = lst.begin(); it != lst.end(); ++it ) {
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TQFileInfo info( *it );
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for (size_t i = 0; i < size_ispell_map; i++)
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{
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const IspellMap * mapping = (const IspellMap *)(&(ispell_map[i]));
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if (!strcmp (info.fileName().latin1(), mapping->dict))
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{
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ispell_dict_map.insert( mapping->lang, *it );
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}
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}
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}
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}
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}
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TQValueList<TQString>
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ISpellChecker::allDics()
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{
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if ( ispell_dict_map.empty() )
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s_allDics();
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return ispell_dict_map.keys();
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}
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TQString
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ISpellChecker::loadDictionary (const char * szdict)
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{
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std::vector<std::string> dict_names;
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s_buildHashNames (dict_names, szdict);
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for (size_t i = 0; i < dict_names.size(); i++)
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{
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if (linit(const_cast<char*>(dict_names[i].c_str())) >= 0)
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return dict_names[i].c_str();
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}
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return TQString::null;
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}
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/*!
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* Load ispell dictionary hash file for given language.
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*
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* \param szLang - The language tag ("en-US") we want to use
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* \return The name of the dictionary file
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*/
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bool
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ISpellChecker::loadDictionaryForLanguage ( const char * szLang )
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{
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TQString hashname;
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const char * encoding = NULL;
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const char * szFile = NULL;
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for (size_t i = 0; i < size_ispell_map; i++)
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{
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const IspellMap * mapping = (const IspellMap *)(&(ispell_map[i]));
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if (!strcmp (szLang, mapping->lang))
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{
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szFile = mapping->dict;
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encoding = mapping->enc;
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break;
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}
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}
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if (!szFile || !strlen(szFile))
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return false;
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alloc_ispell_struct();
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hashname = loadDictionary(szFile);
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if (hashname.isEmpty())
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return false;
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// one of the two above calls succeeded
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setDictionaryEncoding (hashname, encoding);
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return true;
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}
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void
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ISpellChecker::setDictionaryEncoding( const TQString& hashname, const char * encoding )
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{
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/* Get Hash encoding from XML file. This should always work! */
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try_autodetect_charset(encoding);
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if (m_translate_in)
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{
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/* We still have to setup prefstringchar*/
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prefstringchar = findfiletype("utf8", 1, deftflag < 0 ? &deftflag
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: static_cast<int *>(NULL));
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if (prefstringchar < 0)
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{
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std::string teststring;
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for(int n1 = 1; n1 <= 15; n1++)
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{
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teststring = "latin" + n1;
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prefstringchar = findfiletype(teststring.c_str(), 1,
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deftflag < 0 ? &deftflag : static_cast<int *>(NULL));
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if (prefstringchar >= 0)
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break;
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}
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}
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return; /* success */
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}
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/* Test for UTF-8 first */
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prefstringchar = findfiletype("utf8", 1, deftflag < 0 ? &deftflag : static_cast<int *>(NULL));
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if (prefstringchar >= 0)
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{
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m_translate_in = TQTextCodec::codecForName("utf8");
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}
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if (m_translate_in)
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return; /* success */
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/* Test for "latinN" */
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if (!m_translate_in)
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{
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/* Look for "altstringtype" names from latin1 to latin15 */
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for(int n1 = 1; n1 <= 15; n1++)
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{
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TQString teststring = TQString("latin%1").arg(n1);
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prefstringchar = findfiletype(teststring.latin1(), 1,
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deftflag < 0 ? &deftflag : static_cast<int *>(NULL));
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if (prefstringchar >= 0)
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{
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//FIXME: latin1 might be wrong
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m_translate_in = TQTextCodec::codecForName( teststring.latin1() );
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break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* If nothing found, use latin1 */
|
|
if (!m_translate_in)
|
|
{
|
|
m_translate_in = TQTextCodec::codecForName("latin1");
|
|
}
|
|
}
|
|
|
|
bool
|
|
ISpellChecker::requestDictionary(const char *szLang)
|
|
{
|
|
if (!loadDictionaryForLanguage (szLang))
|
|
{
|
|
// handle a shortened version of the language tag: en_US => en
|
|
std::string shortened_dict (szLang);
|
|
size_t uscore_pos;
|
|
|
|
if ((uscore_pos = shortened_dict.rfind ('_')) != ((size_t)-1)) {
|
|
shortened_dict = shortened_dict.substr(0, uscore_pos);
|
|
if (!loadDictionaryForLanguage (shortened_dict.c_str()))
|
|
return false;
|
|
} else
|
|
return false;
|
|
}
|
|
|
|
m_bSuccessfulInit = true;
|
|
|
|
if (prefstringchar < 0)
|
|
m_defdupchar = 0;
|
|
else
|
|
m_defdupchar = prefstringchar;
|
|
|
|
return true;
|
|
}
|