#include <config.h>
#include "HunspellChecker.h"
+#include "PersonalWordList.h"
#include "LyXRC.h"
#include "WordLangTuple.h"
-#include "support/lassert.h"
+#include "frontends/alert.h"
+
#include "support/debug.h"
+#include "support/docstring_list.h"
+#include "support/filetools.h"
+#include "support/Package.h"
+#include "support/FileName.h"
+#include "support/gettext.h"
+#include "support/lassert.h"
+#include "support/lstrings.h"
+#include "support/os.h"
#include <hunspell/hunspell.hxx>
#include <map>
#include <string>
+#include <vector>
using namespace std;
+using namespace lyx::support;
+using namespace lyx::support::os;
namespace lyx {
namespace {
+
typedef map<std::string, Hunspell *> Spellers;
-}
+typedef map<std::string, PersonalWordList *> LangPersonalWordList;
+
+typedef vector<WordLangTuple> IgnoreList;
+
+} // anon namespace
-class HunspellChecker::Private
+
+struct HunspellChecker::Private
{
+ Private();
+ ~Private();
+
+ void cleanCache();
+ void setUserPath(std::string path);
+ const string dictPath(int selector);
+ bool haveLanguageFiles(string const & hpath);
+ bool haveDictionary(Language const * lang, string & hpath);
+ bool haveDictionary(Language const * lang);
+ int numDictionaries() const;
+ Hunspell * addSpeller(Language const * lang, string & hpath);
+ Hunspell * addSpeller(Language const * lang);
+ Hunspell * speller(Language const * lang);
+ /// ignored words
+ bool isIgnored(WordLangTuple const & wl) const;
+ /// personal word list interface
+ void remove(WordLangTuple const & wl);
+ void insert(WordLangTuple const & wl);
+ bool learned(WordLangTuple const & wl);
/// the spellers
Spellers spellers_;
+ ///
+ IgnoreList ignored_;
+ ///
+ LangPersonalWordList personal_;
+ ///
+ std::string user_path_;
+
+ /// the location below system/user directory
+ /// there the aff+dic files lookup will happen
+ const string dictDirectory(void) const { return "dicts"; }
+ int maxLookupSelector(void) const { return 4; }
+ const string HunspellDictionaryName(Language const * lang) {
+ return lang->variety().empty()
+ ? lang->code()
+ : lang->code() + "-" + lang->variety();
+ }
+ const string osPackageDictDirectory(void) {
+ return "/usr/share/myspell";
+ }
};
+HunspellChecker::Private::Private()
+{
+ setUserPath(lyxrc.hunspelldir_path);
+}
+
+
+HunspellChecker::Private::~Private()
+{
+ cleanCache();
+}
+
+
+void HunspellChecker::Private::setUserPath(std::string path)
+{
+ if (user_path_ != lyxrc.hunspelldir_path) {
+ cleanCache();
+ user_path_ = path;
+ }
+}
+
+
+void HunspellChecker::Private::cleanCache()
+{
+ Spellers::iterator it = spellers_.begin();
+ Spellers::iterator end = spellers_.end();
+
+ for (; it != end; ++it) {
+ delete it->second;
+ it->second = 0;
+ }
+
+ LangPersonalWordList::const_iterator pdit = personal_.begin();
+ LangPersonalWordList::const_iterator pdet = personal_.end();
+
+ for (; pdit != pdet; ++pdit) {
+ if ( 0 == pdit->second)
+ continue;
+ PersonalWordList * pd = pdit->second;
+ pd->save();
+ delete pd;
+ }
+}
+
+
+bool HunspellChecker::Private::haveLanguageFiles(string const & hpath)
+{
+ FileName const affix(hpath + ".aff");
+ FileName const dict(hpath + ".dic");
+ return affix.isReadableFile() && dict.isReadableFile();
+}
+
+
+const string HunspellChecker::Private::dictPath(int selector)
+{
+ switch (selector) {
+ case 3:
+ return addName(osPackageDictDirectory(),dictDirectory());
+ break;
+ case 2:
+ return addName(package().system_support().absFileName(),dictDirectory());
+ break;
+ case 1:
+ return addName(package().user_support().absFileName(),dictDirectory());
+ break;
+ default:
+ return user_path_;
+ }
+}
+
+
+bool HunspellChecker::Private::haveDictionary(Language const * lang, string & hpath)
+{
+ if (hpath.empty()) {
+ return false;
+ }
+
+ LYXERR(Debug::FILES, "check hunspell path: " << hpath
+ << " for language " << (lang ? lang->lang() : "NULL" ));
+
+ string h_path = addName(hpath, HunspellDictionaryName(lang));
+ // first we try lang code+variety
+ if (haveLanguageFiles(h_path)) {
+ LYXERR(Debug::FILES, " found " << h_path);
+ hpath = h_path;
+ return true;
+ }
+ // another try with code, '_' replaced by '-'
+ h_path = addName(hpath, subst(lang->code(), '_', '-'));
+ if (!haveLanguageFiles(h_path)) {
+ return false;
+ }
+ LYXERR(Debug::FILES, " found " << h_path);
+ hpath = h_path;
+ return true;
+}
+
+
+bool HunspellChecker::Private::haveDictionary(Language const * lang)
+{
+ bool result = false;
+
+ setUserPath(lyxrc.hunspelldir_path);
+ for ( int p = 0; !result && p < maxLookupSelector(); p++ ) {
+ string lpath = dictPath(p);
+ result = haveDictionary(lang, lpath);
+ }
+ // FIXME: if result is false...
+ // we should indicate somehow that this language is not
+ // supported, probably by popping a warning. But we'll need to
+ // remember which warnings we've issued.
+ return result;
+}
+
+
+Hunspell * HunspellChecker::Private::speller(Language const * lang)
+{
+ setUserPath(lyxrc.hunspelldir_path);
+ Spellers::iterator it = spellers_.find(lang->lang());
+ if (it != spellers_.end()) {
+ return it->second;
+ }
+ return addSpeller(lang);
+}
+
+
+Hunspell * HunspellChecker::Private::addSpeller(Language const * lang,string & path)
+{
+ if (!haveDictionary(lang, path)) {
+ spellers_[lang->lang()] = 0;
+ return 0;
+ }
+
+ FileName const affix(path + ".aff");
+ FileName const dict(path + ".dic");
+ Hunspell * h = new Hunspell(affix.absFileName().c_str(), dict.absFileName().c_str());
+ LYXERR(Debug::FILES, "Hunspell speller for langage " << lang << " at " << dict << " found");
+ spellers_[lang->lang()] = h;
+ return h;
+}
+
+
+Hunspell * HunspellChecker::Private::addSpeller(Language const * lang)
+{
+ Hunspell * h = 0;
+ for ( int p = 0; p < maxLookupSelector() && 0 == h; p++ ) {
+ string lpath = dictPath(p);
+ h = addSpeller(lang, lpath);
+ }
+ if (0 != h) {
+ string const encoding = h->get_dic_encoding();
+ PersonalWordList * pd = new PersonalWordList(lang->lang());
+ pd->load();
+ personal_[lang->lang()] = pd;
+ docstring_list::const_iterator it = pd->begin();
+ docstring_list::const_iterator et = pd->end();
+ for (; it != et; ++it) {
+ string const word_to_add = to_iconv_encoding(*it, encoding);
+ h->add(word_to_add.c_str());
+ }
+ }
+ return h;
+}
+
+
+int HunspellChecker::Private::numDictionaries() const
+{
+ int result = 0;
+ Spellers::const_iterator it = spellers_.begin();
+ Spellers::const_iterator et = spellers_.end();
+
+ for (; it != et; ++it) {
+ result += it->second != 0;
+ }
+ return result;
+}
+
+
+bool HunspellChecker::Private::isIgnored(WordLangTuple const & wl) const
+{
+ IgnoreList::const_iterator it = ignored_.begin();
+ for (; it != ignored_.end(); ++it) {
+ if ((*it).lang()->code() != wl.lang()->code())
+ continue;
+ if ((*it).word() == wl.word())
+ return true;
+ }
+ return false;
+}
+
+/// personal word list interface
+void HunspellChecker::Private::remove(WordLangTuple const & wl)
+{
+ Hunspell * h = speller(wl.lang());
+ if (!h)
+ return;
+ string const encoding = h->get_dic_encoding();
+ string const word_to_check = to_iconv_encoding(wl.word(), encoding);
+ h->remove(word_to_check.c_str());
+ PersonalWordList * pd = personal_[wl.lang()->lang()];
+ if (!pd)
+ return;
+ pd->remove(wl.word());
+}
+
+
+void HunspellChecker::Private::insert(WordLangTuple const & wl)
+{
+ Hunspell * h = speller(wl.lang());
+ if (!h)
+ return;
+ string const encoding = h->get_dic_encoding();
+ string const word_to_check = to_iconv_encoding(wl.word(), encoding);
+ h->add(word_to_check.c_str());
+ PersonalWordList * pd = personal_[wl.lang()->lang()];
+ if (!pd)
+ return;
+ pd->insert(wl.word());
+}
+
+
+bool HunspellChecker::Private::learned(WordLangTuple const & wl)
+{
+ PersonalWordList * pd = personal_[wl.lang()->lang()];
+ if (!pd)
+ return false;
+ return pd->exists(wl.word());
+}
+
+
HunspellChecker::HunspellChecker(): d(new Private)
{
}
}
-SpellChecker::Result HunspellChecker::check(WordLangTuple const & word)
+SpellChecker::Result HunspellChecker::check(WordLangTuple const & wl)
{
- return OK;
+ if (d->isIgnored(wl))
+ return WORD_OK;
+
+ Hunspell * h = d->speller(wl.lang());
+ if (!h)
+ return NO_DICTIONARY;
+ int info;
+
+ string const encoding = h->get_dic_encoding();
+ string const word_to_check = to_iconv_encoding(wl.word(), encoding);
+
+ if (h->spell(word_to_check.c_str(), &info))
+ return d->learned(wl) ? LEARNED_WORD : WORD_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) {
+ // This was removed from personal dictionary
+ LYXERR(Debug::FILES, "Hunspell explicit forbidden word found " << word_to_check);
+ }
+
+ return UNKNOWN_WORD;
}
-void HunspellChecker::insert(WordLangTuple const & word)
+void HunspellChecker::advanceChangeNumber()
{
+ nextChangeNumber();
}
-void HunspellChecker::accept(WordLangTuple const & word)
+void HunspellChecker::insert(WordLangTuple const & wl)
{
+ d->insert(wl);
+ LYXERR(Debug::GUI, "learn word: \"" << wl.word() << "\"") ;
+ advanceChangeNumber();
}
-docstring const HunspellChecker::nextMiss()
+void HunspellChecker::remove(WordLangTuple const & wl)
{
- return docstring();
+ d->remove(wl);
+ LYXERR(Debug::GUI, "unlearn word: \"" << wl.word() << "\"") ;
+ advanceChangeNumber();
+}
+
+
+void HunspellChecker::accept(WordLangTuple const & wl)
+{
+ d->ignored_.push_back(wl);
+ LYXERR(Debug::GUI, "ignore word: \"" << wl.word() << "\"") ;
+ advanceChangeNumber();
+}
+
+
+void HunspellChecker::suggest(WordLangTuple const & wl,
+ docstring_list & suggestions)
+{
+ suggestions.clear();
+ Hunspell * h = d->speller(wl.lang());
+ if (!h)
+ return;
+ string const encoding = h->get_dic_encoding();
+ string const word_to_check = to_iconv_encoding(wl.word(), encoding);
+ 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_iconv_encoding(suggestion_list[i], encoding));
+ h->free_list(&suggestion_list, suggestion_number);
+}
+
+
+bool HunspellChecker::hasDictionary(Language const * lang) const
+{
+ if (!lang)
+ return false;
+ return (d->haveDictionary(lang));
+}
+
+
+int HunspellChecker::numDictionaries() const
+{
+ return d->numDictionaries();
}