/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

package com.nokia.cdt.debug.cw.symbian.internal.symbolreader;

import java.math.BigInteger;

import java.util.ArrayList;

import org.omg.CORBA.IntHolder;

import org.omg.CORBA.StringHolder;

import com.nokia.cdt.debug.cw.symbian.symbolreader.IFunction;

import com.nokia.cdt.debug.cw.symbian.symbolreader.ISourceLocation;

import com.nokia.cdt.debug.cw.symbian.symbolreader.ISymbolFile;

import cwdbg.Address;

import cwdbg.AddressHolder;

import cwdbg.SymFunction;

import cwdbg.SymWorld;

public class SymbolFile implements ISymbolFile {

	private SymWorld symWorld;

	public SymbolFile(SymWorld value) {

		value.AddRef();

		this.symWorld = value;

	}

	/* (non-Javadoc)

	 * @see com.nokia.cdt.debug.cw.symbian.symbolreader.ISymbolFile#close()

	 */

	public void close() {

		symWorld.Release();

	}

	/* (non-Javadoc)

	 * @see com.nokia.cdt.debug.cw.symbian.symbolreader.ISymbolFile#getFunctions()

	 */

	public IFunction[] getFunctions() {

		ArrayList<Function> functions = new ArrayList<Function>();

		SymFunction[] symFunctions = symWorld.GetFunctionList();

		for (int i = 0; i < symFunctions.length; i++) {

			functions.add(new Function(symFunctions[i]));

		}

		return functions.toArray(new Function[functions.size()]);

	}

	/* (non-Javadoc)

	 * @see com.nokia.cdt.debug.cw.symbian.symbolreader.ISymbolFile#findSourceLocation(java.math.BigInteger)

	 */

	public ISourceLocation findSourceLocation(BigInteger address)

	{

		Address addr = new Address(address.longValue(), ""); // $NON-NLS-1$

		IntHolder lineNumberHolder = new IntHolder();

		StringHolder fileHolder = new StringHolder();

		cwdbg.DebugError err = symWorld.FindSourceCorrespondance(addr, fileHolder, lineNumberHolder);

		if (err != null) {

			err.Release();

			return null;		

		}

		return new SourceLocation(fileHolder.value, lineNumberHolder.value);

	}

	/* (non-Javadoc)

	 * @see com.nokia.cdt.debug.cw.symbian.symbolreader.ISymbolFile#findFunctionByAddress(java.math.BigInteger)

	 */

	public IFunction findFunctionByAddress(BigInteger address)

	{

		Address adr = new Address(address.longValue(), ""); // $NON-NLS-1$

		IntHolder id = new IntHolder();

		cwdbg.DebugError err = symWorld.FindFunctionByAddress(adr, id);

		if (err != null) {

			err.Release();

			return null;		

		}

		StringHolder nameHolder = new StringHolder();

		err = symWorld.GetFunctionName(id.value, true, nameHolder);

		if (err != null) {

			err.Release();

			return null;		

		}

		AddressHolder startHolder = new AddressHolder();

		AddressHolder endHolder = new AddressHolder();		

		err = symWorld.GetFunctionBoundaries(id.value, startHolder, endHolder);

		if (err != null) {

			err.Release();

			return null;		

		}

		return new Function(id.value, nameHolder.value, BigInteger.valueOf(startHolder.value.addr), BigInteger.valueOf(endHolder.value.addr));		

	}

	public String[] getSourceFiles() {	

		return symWorld.GetSourceFiles();

	}

}