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897436efbb
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18550 a592a061-630c-0410-9148-cb99ea01b6c8
159 lines
3.6 KiB
C++
159 lines
3.6 KiB
C++
/**
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* \file ASpell.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Kevin Atkinson
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* \author John Levon
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "debug.h"
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#include <aspell.h>
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#include "ASpell_local.h"
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#include "WordLangTuple.h"
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#include <boost/assert.hpp>
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using std::string;
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namespace lyx {
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ASpell::ASpell(BufferParams const &, string const & lang)
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: els(0), spell_error_object(0)
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{
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addSpeller(lang);
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}
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ASpell::~ASpell()
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{
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if (spell_error_object) {
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delete_aspell_can_have_error(spell_error_object);
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spell_error_object = 0;
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}
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if (els)
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delete_aspell_string_enumeration(els);
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Spellers::iterator it = spellers_.begin();
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Spellers::iterator end = spellers_.end();
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for (; it != end; ++it) {
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aspell_speller_save_all_word_lists(it->second.speller);
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delete_aspell_speller(it->second.speller);
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delete_aspell_config(it->second.config);
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}
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}
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void ASpell::addSpeller(string const & lang)
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{
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AspellConfig * config = new_aspell_config();
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// FIXME The aspell documentation says to use "lang"
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aspell_config_replace(config, "language-tag", lang.c_str());
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// Set the encoding to utf-8.
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// aspell does also understand "ucs-4", so we would not need a
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// conversion in theory, but if this is used it expects all
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// char const * arguments to be a cast from uint const *, and it
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// seems that this uint is not compatible with our char_type on some
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// platforms (cygwin, OS X). Therefore we use utf-8, that does
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// always work.
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aspell_config_replace(config, "encoding", "utf-8");
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AspellCanHaveError * err = new_aspell_speller(config);
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if (spell_error_object)
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delete_aspell_can_have_error(spell_error_object);
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spell_error_object = 0;
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if (aspell_error_number(err) == 0) {
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Speller m;
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m.speller = to_aspell_speller(err);
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m.config = config;
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spellers_[lang] = m;
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} else {
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spell_error_object = err;
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}
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}
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ASpell::Result ASpell::check(WordLangTuple const & word)
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{
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Result res = UNKNOWN_WORD;
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Spellers::iterator it = spellers_.find(word.lang_code());
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if (it == spellers_.end()) {
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addSpeller(word.lang_code());
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it = spellers_.find(word.lang_code());
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// FIXME
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if (it == spellers_.end())
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return res;
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}
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AspellSpeller * m = it->second.speller;
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int const word_ok = aspell_speller_check(m, to_utf8(word.word()).c_str(), -1);
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BOOST_ASSERT(word_ok != -1);
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if (word_ok) {
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res = OK;
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} else {
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AspellWordList const * sugs =
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aspell_speller_suggest(m, to_utf8(word.word()).c_str(), -1);
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BOOST_ASSERT(sugs != 0);
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els = aspell_word_list_elements(sugs);
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if (aspell_word_list_empty(sugs))
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res = UNKNOWN_WORD;
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else
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res = SUGGESTED_WORDS;
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}
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return res;
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}
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void ASpell::insert(WordLangTuple const & word)
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{
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Spellers::iterator it = spellers_.find(word.lang_code());
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if (it != spellers_.end())
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aspell_speller_add_to_personal(it->second.speller, to_utf8(word.word()).c_str(), -1);
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}
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void ASpell::accept(WordLangTuple const & word)
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{
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Spellers::iterator it = spellers_.find(word.lang_code());
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if (it != spellers_.end())
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aspell_speller_add_to_session(it->second.speller, to_utf8(word.word()).c_str(), -1);
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}
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docstring const ASpell::nextMiss()
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{
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char const * str = 0;
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if (els)
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str = aspell_string_enumeration_next(els);
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return (str ? from_utf8(str) : docstring());
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}
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docstring const ASpell::error()
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{
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char const * err = 0;
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if (spell_error_object && aspell_error_number(spell_error_object) != 0) {
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err = aspell_error_message(spell_error_object);
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}
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// FIXME UNICODE: err is not in UTF8, but probably the locale encoding
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return (err ? from_utf8(err) : docstring());
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}
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} // namespace lyx
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