lyx_mirror/src/AppleSpellChecker.cpp
2021-03-07 18:23:07 +01:00

213 lines
4.7 KiB
C++

/**
* \file AppleSpellChecker.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Stephan Witt
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "AppleSpellChecker.h"
#include "WordLangTuple.h"
#include "support/debug.h"
#include "support/docstring_list.h"
#include "support/AppleSpeller.h"
using namespace std;
using namespace lyx::support;
namespace lyx {
struct AppleSpellChecker::Private
{
Private();
~Private();
SpellChecker::Result toResult(SpellCheckResult status);
string toString(SpellCheckResult status);
int numDictionaries() const;
/// the speller
AppleSpeller speller;
/// language map
map<string, string> languageMap;
};
AppleSpellChecker::Private::Private()
{
speller = newAppleSpeller();
}
AppleSpellChecker::Private::~Private()
{
freeAppleSpeller(speller);
speller = 0;
}
AppleSpellChecker::AppleSpellChecker()
: d(new Private)
{}
AppleSpellChecker::~AppleSpellChecker()
{
delete d;
}
SpellChecker::Result AppleSpellChecker::Private::toResult(SpellCheckResult status)
{
return status == SPELL_CHECK_FAILED ? UNKNOWN_WORD :
status == SPELL_CHECK_LEARNED ? LEARNED_WORD : WORD_OK ;
}
string AppleSpellChecker::Private::toString(SpellCheckResult status)
{
return status == SPELL_CHECK_FAILED ? "FAILED" :
status == SPELL_CHECK_LEARNED ? "LEARNED" : "OK";
}
SpellChecker::Result AppleSpellChecker::check(WordLangTuple const & word,
std::vector<WordLangTuple> const & docdict)
{
if (!hasDictionary(word.lang()))
return NO_DICTIONARY;
string const word_str = to_utf8(word.word());
string const lang = d->languageMap[word.lang()->lang()];
vector<WordLangTuple>::const_iterator it = docdict.begin();
for (; it != docdict.end(); ++it) {
if (it->lang()->code() != word.lang()->code())
continue;
if (it->word() == word.word())
return DOCUMENT_LEARNED_WORD;
}
SpellCheckResult result =
AppleSpeller_check(d->speller,
word_str.c_str(), lang.c_str());
LYXERR(Debug::GUI, "spellCheck: \"" <<
word.word() << "\" = " << d->toString(result) <<
", lang = " << lang) ;
return d->toResult(result);
}
void AppleSpellChecker::advanceChangeNumber()
{
nextChangeNumber();
}
// add to personal dictionary
void AppleSpellChecker::insert(WordLangTuple const & word)
{
string const word_str = to_utf8(word.word());
AppleSpeller_learn(d->speller, word_str.c_str());
LYXERR(Debug::GUI, "learn word: \"" << word.word() << "\"");
advanceChangeNumber();
}
// remove from personal dictionary
void AppleSpellChecker::remove(WordLangTuple const & word)
{
string const word_str = to_utf8(word.word());
AppleSpeller_unlearn(d->speller, word_str.c_str());
LYXERR(Debug::GUI, "unlearn word: \"" << word.word() << "\"");
advanceChangeNumber();
}
// ignore for session
void AppleSpellChecker::accept(WordLangTuple const & word)
{
string const word_str = to_utf8(word.word());
AppleSpeller_ignore(d->speller, word_str.c_str());
LYXERR(Debug::GUI, "ignore word: \"" << word.word() << "\"");
advanceChangeNumber();
}
void AppleSpellChecker::suggest(WordLangTuple const & wl,
docstring_list & suggestions)
{
suggestions.clear();
string const word_str = to_utf8(wl.word());
size_t num = AppleSpeller_makeSuggestion(d->speller,
word_str.c_str(), wl.lang()->code().c_str());
for (size_t i = 0; i < num; i++) {
char const * next = AppleSpeller_getSuggestion(d->speller, i);
if (!next) break;
suggestions.push_back(from_utf8(next));
}
}
bool AppleSpellChecker::hasDictionary(Language const * lang) const
{
string const langmap = d->languageMap[lang->lang()];
bool result = !langmap.empty();
if (result)
return result;
result = AppleSpeller_hasLanguage(d->speller, lang->code().c_str());
if (result) {
d->languageMap[lang->lang()] = lang->code();
} else {
result = AppleSpeller_hasLanguage(d->speller, lang->lang().c_str());
if (result)
d->languageMap[lang->lang()] = lang->lang();
}
LYXERR(Debug::GUI, "has dictionary: " << lang->lang() << " = " << result);
return result;
}
int AppleSpellChecker::numDictionaries() const
{
int result = 0;
map<string, string>::const_iterator it = d->languageMap.begin();
map<string, string>::const_iterator et = d->languageMap.end();
for (; it != et; ++it) {
string const langmap = it->second;
result += langmap.empty() ? 0 : 1;
}
return result;
}
int AppleSpellChecker::numMisspelledWords() const
{
return AppleSpeller_numMisspelledWords(d->speller);
}
void AppleSpellChecker::misspelledWord(int index, int & start, int & length) const
{
AppleSpeller_misspelledWord(d->speller, index, &start, &length);
}
docstring const AppleSpellChecker::error()
{
return docstring();
}
} // namespace lyx