// Copyright (c) 2006, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
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//   * Neither the name of the Aegisub Group nor the names of its contributors
//     may be used to endorse or promote products derived from this software
//     without specific prior written permission.
//
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// Aegisub Project http://www.aegisub.org/
//
// $Id$

/// @file spellchecker.cpp
/// @brief Implementatin of base-class for spell checkers
/// @ingroup spelling
///

#include "config.h"

#ifdef WITH_HUNSPELL
#include "spellchecker_hunspell.h"
#endif

#include "compat.h"
#include "include/aegisub/spellchecker.h"
#include "main.h"

/// @brief Get spell checker
/// @return
///
SpellChecker *SpellCheckerFactory::GetSpellChecker() {
	// List of providers
	std::vector<std::string> list = GetClasses(OPT_GET("Tool/Spell Checker/Backend")->GetString());
	if (list.empty()) return NULL;

	// Get provider
	wxString error;
	for (unsigned int i=0;i<list.size();i++) {
		try {
			SpellChecker *checker = Create(list[i]);
			if (checker) return checker;
		}
		catch (wxString const& err) { error += list[i] + " factory: " + err + "\n"; }
		catch (const char *err) { error += list[i] + " factory: " + wxString(err) + "\n"; }
		catch (...) { error += list[i] + " factory: Unknown error\n"; }
	}

	// Failed
	throw error;
}

/// @brief Register all providers
///
void SpellCheckerFactory::RegisterProviders() {
#ifdef WITH_HUNSPELL
	Register<HunspellSpellChecker>("Hunspell");
#endif
}

template<> SpellCheckerFactory::map *FactoryBase<SpellChecker *(*)()>::classes = NULL;
