/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*    

*

*/

// disable "identifier was truncated to '255' characters in the browser information" warning

#pragma warning (disable:4786)

#include "Extract.h"

#include "LayoutCompilerErr.h"

#include "HtmlParse.h"

#include "LayoutParse.h"

#include "LayoutWriter.h"

#include <fstream>

#include <iostream>

typedef LayoutProcessArgsErr<LayoutExtract> LayoutExtractArgsErr;

int LayoutExtract::Extract(const vector<string>& args)

	{

	ParseArgs(args);

	THtmlParseLayout html;

	ifstream in(iDocName.c_str());

	if (!in.is_open())

		throw NotFoundErr(iDocName);

	cout << "reading html " << iDocName << endl;

	html.Parse(in);

	in.close();

	TLayout* layout = &html;

	TLayParseLayout lay;

	if (iMergeName.size())

		{

		ifstream merge(iMergeName.c_str());

		if (!merge.is_open())

			throw NotFoundErr(iDocName);

		cout << "reading layout " << iMergeName << endl;

		lay.Parse(merge);

		merge.close();

		cout << "merging " << iDocName << " into " << iMergeName << endl;

		lay.Merge(TLayout::KMergeModeMerge, html);

		layout = &lay;

		}

	TLayoutWriter writer(*layout, iLayoutName);

	writer.Write("");

	return 0;

	}

void LayoutExtract::ParseArgs(const vector<string>& args)

	{

	if (args.size() < 4)

		throw LayoutExtractArgsErr();

	iDocName = args[2];

	unsigned int layoutIndex = 3;

	if (args[3][0] == '-')

		{

		if (args[3].size() < 3 || args[3][1] != 'o')

			throw LayoutExtractArgsErr();

		iMergeName = args[3].substr(2);

		layoutIndex++;

		}

	if (args.size() <= layoutIndex)

		throw LayoutExtractArgsErr();

	iLayoutName = args[layoutIndex];

	}

void LayoutExtract::ShowHelp(ostream& stream)

	{

	stream << endl;

	stream << "LayoutCompiler extract <docName> [-o<oldLayout>] <layoutName>" << endl;

	stream << "  <docName> is the name of the HTML Layout specification" << endl;

	stream << "  <oldLayout> is an optional layout file which the extracted layout will be" << endl;

	stream << "  merged with" << endl;

	stream << "  <layoutName> is the name of the resulting layout file" << endl;

	stream << "  You can use the same name for <oldLayout> and <layoutName>" << endl;

	}

// End of File