/* -*- mode: C++; tab-width: 4; c-basic-offset: 4; -*- */

/* AbiSource
 * 
 * Copyright (C) 2007 Philippe Milot <PhilMilot@gmail.com>
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
 * 02111-1307, USA.
 */

// Class definition include
#include <OXMLi_ListenerState_DocSettings.h>

// Internal includes
#include <OXML_Document.h>
#include <OXML_FontManager.h>
#include <OXML_Types.h>
#include <OXML_LangToScriptConverter.h>

// AbiWord includes
#include <ut_assert.h>
#include <ut_misc.h>

// External includes
#include <string>

void OXMLi_ListenerState_DocSettings::startElement (OXMLi_StartElementRequest * rqst)
{
	if (nameMatches(rqst->pName, NS_W_KEY, "themeFontLang")) {
		const gchar * val = attrMatches(NS_W_KEY, "val", rqst->ppAtts);
		const gchar * eastAsia = attrMatches(NS_W_KEY, "eastAsia", rqst->ppAtts);
		const gchar * bidi = attrMatches(NS_W_KEY, "bidi", rqst->ppAtts);

		OXML_Document * doc = OXML_Document::getInstance();
		UT_return_if_fail( this->_error_if_fail(doc != NULL) );
		OXML_SharedFontManager fmgr = doc->getFontManager();
		UT_return_if_fail( this->_error_if_fail(fmgr.get() != NULL) );

		if (val != NULL) {
			std::string val_str = _convert_ST_LANG(val);
			fmgr->mapRangeToScript(ASCII_RANGE, val_str);
			fmgr->mapRangeToScript(HANSI_RANGE, val_str);
		}
		if (eastAsia != NULL) {
			std::string eastAsia_str = _convert_ST_LANG(eastAsia);
			fmgr->mapRangeToScript(EASTASIAN_RANGE, eastAsia_str);
		}
		if (bidi != NULL) {
			std::string bidi_str = _convert_ST_LANG(bidi);
			fmgr->mapRangeToScript(COMPLEX_RANGE, bidi_str);
		}

		rqst->handled = true;
	}
}

void OXMLi_ListenerState_DocSettings::endElement (OXMLi_EndElementRequest * rqst)
{
	if (nameMatches(rqst->pName, NS_W_KEY, "themeFontLang")) {
		rqst->handled = true;
	}
}

void OXMLi_ListenerState_DocSettings::charData (OXMLi_CharDataRequest * /*rqst*/)
{
	//don't do anything here
}

std::string OXMLi_ListenerState_DocSettings::_convert_ST_LANG(std::string code_in)
{
	//The input value is of the following format:
	//	An ISO 639-1 letter code plus a dash plus an ISO 3166-1 alpha-2 letter code
	//	OR an hexadecimal language code (see ST_LangCode)
	//The return value is of the following format:
	//	An ISO 15924 alpha-4 letter code

	OXML_LangScriptAsso * asso = NULL;
	OXML_LangToScriptConverter conv;
	std::string substr = code_in.substr(0,2);
	asso = conv.in_word_set(substr.data(), substr.length());
	if (asso != NULL) {
		return asso->script;
	} else {
		return code_in;
	}
}

