/**
 * \file bufferview_funcs.C
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * \author Lars Gullik Bjønnes
 * \author Jean-Marc Lasgouttes
 * \author John Levon
 * \author Angus Leeming
 *
 * Full author contact details are available in file CREDITS.
 */

#include <config.h>

#include "bufferview_funcs.h"

#include "author.h"
#include "buffer.h"
#include "bufferparams.h"
#include "BufferView.h"
#include "cursor.h"
#include "gettext.h"
#include "language.h"
#include "LColor.h"
#include "lyxlex.h"
#include "lyxrow.h"
#include "paragraph.h"
#include "ParagraphParameters.h"
#include "pariterator.h"

#include "frontends/Alert.h"
#include "frontends/LyXView.h"

#include "insets/insettext.h"

#include "support/tostr.h"

#include <sstream>

using lyx::support::bformat;

using std::istringstream;
using std::ostringstream;
using std::string;


namespace bv_funcs {

// Set data using font and toggle
// If successful, returns true
bool font2string(LyXFont const & font, bool toggle, string & data)
{
	string lang = "ignore";
	if (font.language())
		lang = font.language()->lang();

	ostringstream os;
	os << "family " << font.family() << '\n'
	   << "series " << font.series() << '\n'
	   << "shape " << font.shape() << '\n'
	   << "size " << font.size() << '\n'
	   << "emph " << font.emph() << '\n'
	   << "underbar " << font.underbar() << '\n'
	   << "noun " << font.noun() << '\n'
	   << "number " << font.number() << '\n'
	   << "color " << font.color() << '\n'
	   << "language " << lang << '\n'
	   << "toggleall " << tostr(toggle);
	data = os.str();
	return true;
}


// Set font and toggle using data
// If successful, returns true
bool string2font(string const & data, LyXFont & font, bool & toggle)
{
	istringstream is(data);
	LyXLex lex(0,0);
	lex.setStream(is);

	int nset = 0;
	while (lex.isOK()) {
		string token;
		if (lex.next())
			token = lex.getString();

		if (token.empty() || !lex.next())
			break;

		if (token == "family") {
			int const next = lex.getInteger();
			font.setFamily(LyXFont::FONT_FAMILY(next));

		} else if (token == "series") {
			int const next = lex.getInteger();
			font.setSeries(LyXFont::FONT_SERIES(next));

		} else if (token == "shape") {
			int const next = lex.getInteger();
			font.setShape(LyXFont::FONT_SHAPE(next));

		} else if (token == "size") {
			int const next = lex.getInteger();
			font.setSize(LyXFont::FONT_SIZE(next));

		} else if (token == "emph" || token == "underbar" ||
			   token == "noun" || token == "number") {

			int const next = lex.getInteger();
			LyXFont::FONT_MISC_STATE const misc =
				LyXFont::FONT_MISC_STATE(next);

			if (token == "emph")
			    font.setEmph(misc);
			else if (token == "underbar")
				font.setUnderbar(misc);
			else if (token == "noun")
				font.setNoun(misc);
			else if (token == "number")
				font.setNumber(misc);

		} else if (token == "color") {
			int const next = lex.getInteger();
			font.setColor(LColor::color(next));

		} else if (token == "language") {
			string const next = lex.getString();
			if (next == "ignore")
				font.setLanguage(ignore_language);
			else
				font.setLanguage(languages.getLanguage(next));

		} else if (token == "toggleall") {
			toggle = lex.getBool();

		} else {
			// Unrecognised token
			break;
		}

		++nset;
	}
	return (nset > 0);
}

} // namespace bv_funcs