lyx_mirror/src/HunspellChecker.cpp
Abdelrazak Younes 697813c491 Fix hunspell suggestion call.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@30930 a592a061-630c-0410-9148-cb99ea01b6c8
2009-08-09 13:43:58 +00:00

180 lines
3.8 KiB
C++

/**
* \file HunspellChecker.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Abdelrazak Younes
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "HunspellChecker.h"
#include "LyXRC.h"
#include "WordLangTuple.h"
#include "support/debug.h"
#include "support/docstring_list.h"
#include "support/FileName.h"
#include "support/gettext.h"
#include "support/lassert.h"
#include "support/os.h"
#include <hunspell/hunspell.hxx>
#include <map>
#include <string>
using namespace std;
using namespace lyx::support;
using namespace lyx::support::os;
namespace lyx {
namespace {
typedef map<std::string, Hunspell *> Spellers;
} // anon namespace
struct HunspellChecker::Private
{
Private() {}
~Private();
Hunspell * addSpeller(string const & lang);
Hunspell * speller(string const & lang);
/// the spellers
Spellers spellers_;
};
HunspellChecker::Private::~Private()
{
Spellers::iterator it = spellers_.begin();
Spellers::iterator end = spellers_.end();
for (; it != end; ++it) {
delete it->second;
}
}
Hunspell * HunspellChecker::Private::addSpeller(string const & lang)
{
string hunspell_path = external_path(lyxrc.hunspelldir_path);
LYXERR(Debug::FILES, "hunspell path: " << hunspell_path);
if (hunspell_path.empty())
return false;
hunspell_path += "/" + lang;
// replace '_' with '-' as this is the convention used by hunspell.
hunspell_path[hunspell_path.size() - 3] = '-';
FileName const affix(hunspell_path + ".aff");
FileName const dict(hunspell_path + ".dic");
if (!affix.isReadableFile()) {
// FIXME: We should indicate somehow that this language is not
// supported.
LYXERR(Debug::FILES, "Hunspell affix file " << affix << " does not exist");
return 0;
}
if (!dict.isReadableFile()) {
LYXERR(Debug::FILES, "Hunspell dictionary file " << dict << " does not exist");
return 0;
}
Hunspell * h = new Hunspell(affix.absFilename().c_str(), dict.absFilename().c_str());
spellers_[lang] = h;
return h;
}
Hunspell * HunspellChecker::Private::speller(string const & lang)
{
Spellers::iterator it = spellers_.find(lang);
if (it != spellers_.end())
return it->second;
return addSpeller(lang);
}
HunspellChecker::HunspellChecker(): d(new Private)
{
}
HunspellChecker::~HunspellChecker()
{
delete d;
}
SpellChecker::Result HunspellChecker::check(WordLangTuple const & wl)
{
string const word_to_check = to_utf8(wl.word());
Hunspell * h = d->speller(wl.lang_code());
if (!h)
return OK;
int info;
if (h->spell(word_to_check.c_str(), &info))
return OK;
if (info & SPELL_COMPOUND) {
// FIXME: What to do with that?
LYXERR(Debug::FILES, "Hunspell compound word found " << word_to_check);
}
if (info & SPELL_FORBIDDEN) {
// FIXME: What to do with that?
LYXERR(Debug::FILES, "Hunspell explicit forbidden word found " << word_to_check);
}
return UNKNOWN_WORD;
}
void HunspellChecker::insert(WordLangTuple const & wl)
{
string const word_to_check = to_utf8(wl.word());
Hunspell * h = d->speller(wl.lang_code());
if (!h)
return;
h->add(word_to_check.c_str());
}
void HunspellChecker::accept(WordLangTuple const & word)
{
// FIXME: not implemented!
}
void HunspellChecker::suggest(WordLangTuple const & wl,
docstring_list & suggestions)
{
suggestions.clear();
string const word_to_check = to_utf8(wl.word());
Hunspell * h = d->speller(wl.lang_code());
if (!h)
return;
char ** suggestion_list;
int const suggestion_number = h->suggest(&suggestion_list, word_to_check.c_str());
if (suggestion_number <= 0)
return;
for (int i = 0; i != suggestion_number; ++i)
suggestions.push_back(from_utf8(suggestion_list[i]));
h->free_list(&suggestion_list, suggestion_number);
}
docstring const HunspellChecker::error()
{
return docstring();
}
} // namespace lyx