mirror of
https://git.lyx.org/repos/lyx.git
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216 lines
3.7 KiB
C++
216 lines
3.7 KiB
C++
/**
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* \file EnchantChecker.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 Caolán McNamara
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* \author Jürgen Spitzmüller
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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 <enchant++.h>
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#include "EnchantChecker.h"
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#include "LyXRC.h"
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#include "WordLangTuple.h"
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#include "support/lassert.h"
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#include "support/debug.h"
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#include "support/docstring_list.h"
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#include <map>
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#include <string>
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using namespace std;
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namespace lyx {
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namespace {
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enchant::Broker & broker()
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{
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#ifdef HAVE_ENCHANT2
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static enchant::Broker thebroker;
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return thebroker;
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#else
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return *enchant::Broker::instance();
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#endif
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}
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struct Speller {
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enchant::Dict * speller;
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};
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typedef map<string, Speller> Spellers;
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} // namespace
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struct EnchantChecker::Private
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{
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Private()
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{}
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~Private();
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/// add a speller of the given language
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enchant::Dict * addSpeller(string const & lang);
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///
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enchant::Dict * speller(string const & lang);
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/// the spellers
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Spellers spellers_;
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};
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EnchantChecker::Private::~Private()
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{
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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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delete it->second.speller;
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}
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enchant::Dict * EnchantChecker::Private::addSpeller(string const & lang)
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{
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Speller m;
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try {
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LYXERR(Debug::FILES, "request enchant speller for language " << lang);
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m.speller = broker().request_dict(lang);
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}
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catch (enchant::Exception & e) {
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// FIXME error handling?
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const char * what = e.what();
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LYXERR(Debug::FILES, "cannot add enchant speller: " <<
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((what && *what) ? what : "unspecified enchant exception in request_dict()"));
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m.speller = nullptr;
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}
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spellers_[lang] = m;
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return m.speller;
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}
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enchant::Dict * EnchantChecker::Private::speller(string const & lang)
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{
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Spellers::iterator it = spellers_.find(lang);
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if (it != spellers_.end())
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return it->second.speller;
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return addSpeller(lang);
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}
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EnchantChecker::EnchantChecker()
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: d(new Private)
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{}
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EnchantChecker::~EnchantChecker()
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{
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delete d;
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}
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SpellChecker::Result EnchantChecker::check(WordLangTuple const & word)
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{
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enchant::Dict * m = d->speller(word.lang()->code());
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if (!m)
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return NO_DICTIONARY;
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if (word.word().empty())
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return WORD_OK;
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string utf8word = to_utf8(word.word());
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if (m->check(utf8word))
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return WORD_OK;
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return UNKNOWN_WORD;
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}
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void EnchantChecker::advanceChangeNumber()
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{
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nextChangeNumber();
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}
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void EnchantChecker::insert(WordLangTuple const & word)
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{
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enchant::Dict * m = d->speller(word.lang()->code());
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if (m) {
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m->add(to_utf8(word.word()));
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advanceChangeNumber();
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}
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}
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void EnchantChecker::remove(WordLangTuple const & word)
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{
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enchant::Dict * m = d->speller(word.lang()->code());
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if (m) {
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m->remove(to_utf8(word.word()));
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advanceChangeNumber();
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}
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}
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void EnchantChecker::accept(WordLangTuple const & word)
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{
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enchant::Dict * m = d->speller(word.lang()->code());
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if (m) {
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m->add_to_session(to_utf8(word.word()));
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advanceChangeNumber();
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}
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}
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void EnchantChecker::suggest(WordLangTuple const & wl,
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docstring_list & suggestions)
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{
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suggestions.clear();
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enchant::Dict * m = d->speller(wl.lang()->code());
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if (!m)
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return;
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string utf8word = to_utf8(wl.word());
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vector<string> suggs = m->suggest(utf8word);
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vector<string>::const_iterator it = suggs.begin();
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for (; it != suggs.end(); ++it)
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suggestions.push_back(from_utf8(*it));
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}
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bool EnchantChecker::hasDictionary(Language const * lang) const
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{
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if (!lang)
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return false;
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return broker().dict_exists(lang->code());
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}
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int EnchantChecker::numDictionaries() const
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{
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return d->spellers_.size();
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}
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docstring const EnchantChecker::error()
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{
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return docstring();
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}
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} // namespace lyx
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