X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FHunspellChecker.cpp;h=af3d8404c01b09ad7e8fb8ab35792249cbe13a32;hb=34c26f89bbe81f08ab5c8bb1e8176e22e32208fd;hp=fc6e0e5b37775d1493f97435521fe4fdc10a5ea2;hpb=22380826d517cabaf869ed3025f1a5649b6b371e;p=lyx.git

diff --git a/src/HunspellChecker.cpp b/src/HunspellChecker.cpp
index fc6e0e5b37..af3d8404c0 100644
--- a/src/HunspellChecker.cpp
+++ b/src/HunspellChecker.cpp
@@ -11,35 +11,262 @@
 #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
 
+
 struct HunspellChecker::Private
 {
+	Private();
+	~Private();
+
+	const string dictPath(int selector);
+	bool haveLanguageFiles(string const & hpath);
+	bool haveDictionary(string const & lang, string & hpath);
+	bool haveDictionary(string const & lang);
+	Hunspell * addSpeller(string 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_;
+
+	/// the location below system/user directory
+	/// there the aff+dic files lookup will happen
+	const string dictDirectory(void) const { return "dict"; }
+	int maxLookupSelector(void) const { return 3; }
 };
 
 
+HunspellChecker::Private::Private()
+{
+}
+
+
+HunspellChecker::Private::~Private()
+{
+	Spellers::iterator it = spellers_.begin();
+	Spellers::iterator end = spellers_.end();
+
+	for (; it != end; ++it) {
+		if ( 0 != it->second) delete it->second;
+	}
+
+	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 2:
+		return addName(package().system_support().absFileName(),dictDirectory());
+		break;
+	case 1:
+		return addName(package().user_support().absFileName(),dictDirectory());
+		break;
+	default:
+		return lyxrc.hunspelldir_path;
+	}
+}
+
+
+bool HunspellChecker::Private::haveDictionary(string const & lang, string & hpath)
+{
+	if (hpath.empty()) {
+		return false;
+	}
+
+	LYXERR(Debug::FILES, "check hunspell path: " << hpath << " for language " << lang);
+	string h_path = addName(hpath, lang);
+	if (!haveLanguageFiles(h_path)) {
+		// try with '_' replaced by '-'
+		h_path = addName(hpath, subst(lang, '_', '-'));
+		if (!haveLanguageFiles(h_path)) {
+			// FIXME: 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 false;
+		}
+	}
+	hpath = h_path;
+	return true;
+}
+
+
+bool HunspellChecker::Private::haveDictionary(string const & lang)
+{
+	bool result = false;
+	for ( int p = 0; !result && p < maxLookupSelector(); p++ ) {
+		string lpath = dictPath(p);
+		result = haveDictionary(lang, lpath);
+	}
+	return result;
+}
+
+
+Hunspell * HunspellChecker::Private::speller(Language const * lang)
+{
+	Spellers::iterator it = spellers_.find(lang->code());
+	if (it != spellers_.end())
+		return it->second;
+
+	return addSpeller(lang);
+}
+
+
+Hunspell * HunspellChecker::Private::addSpeller(string const & lang,string & path)
+{
+	if (!haveDictionary(lang, path)) {
+		spellers_[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] = 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->code(), 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;
+}
+
+
+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)
 {
 }
@@ -51,25 +278,89 @@ HunspellChecker::~HunspellChecker()
 }
 
 
-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 WORD_OK;
+	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->code()));
 }