/*

* Copyright (c) 2006-2009 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.carbide.cpp.epoc.engine.model.mmp;

import com.nokia.carbide.internal.api.cpp.epoc.engine.dom.IASTNode;

import com.nokia.carbide.internal.api.cpp.epoc.engine.dom.mmp.*;

import com.nokia.carbide.internal.cpp.epoc.engine.parser.mmp.IMMPParserConfiguration;

/**

 * Enumerations for every known MMP statement.<p>

 * An enumerator contains its keyword, the type of statement, 

 * and optionally the block type in which it is recognized.

 * <p>

 * Note that most MMP statements have a regular syntax and are generically

 * categorized as FLAG_STATEMENT, SINGLE_ARGUMENT_STATEMENT, LIST_ARGUMENT_STATEMENT.

 * Only special cases have their own categories.

 *

 */

public enum EMMPStatement {

	// special cases first

	AIF("AIF", IMMPParserConfiguration.AIF_STATEMENT), //$NON-NLS-1$

	BITMAP_SOURCE("SOURCE", IMMPParserConfiguration.BITMAP_SOURCE_STATEMENT, "BITMAP"), //$NON-NLS-1$ //$NON-NLS-2$

	OPTION("OPTION", IMMPParserConfiguration.OPTION_STATEMENT), //$NON-NLS-1$

	LINKEROPTION("LINKEROPTION", IMMPParserConfiguration.OPTION_STATEMENT), //$NON-NLS-1$

	OPTION_REPLACE("OPTION_REPLACE", IMMPParserConfiguration.OPTION_STATEMENT), //$NON-NLS-1$

	START_BLOCK("START", IMMPParserConfiguration.START_BLOCK_STATEMENT), //$NON-NLS-1$

	UID("UID", IMMPParserConfiguration.UID_STATEMENT), //$NON-NLS-1$

	// flag statements

	ALWAYS_BUILD_AS_ARM("ALWAYS_BUILD_AS_ARM", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	ASSPABI("ASSPABI", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	ASSPEXPORTS("ASSPEXPORTS", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	COMPRESSTARGET("COMPRESSTARGET", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	COPY_FOR_STATIC_LINKAGE("COPY_FOR_STATIC_LINKAGE", IMMPParserConfiguration.FLAG_STATEMENT, "PLATFORM"), //$NON-NLS-1$ //$NON-NLS-2$

	EXPORTUNFROZEN("EXPORTUNFROZEN", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	NOCOMPRESSTARGET("NOCOMPRESSTARGET", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	NOEXPORTLIBRARY("NOEXPORTLIBRARY", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	NOSTRICTDEF("NOSTRICTDEF", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	SRCDBG("SRCDBG", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	STRICTDEPEND("STRICTDEPEND", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	EPOCCALLDLLENTRYPOINTS("EPOCCALLDLLENTRYPOINTS", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	EPOCFIXEDPROCESS("EPOCFIXEDPROCESS", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	EPOCALLOWDLLDATA("EPOCALLOWDLLDATA", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	PAGED("PAGED", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	UNPAGED("UNPAGED", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	WIN32_HEADERS("WIN32_HEADERS", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	ARMRT("ARMRT", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	WCHARENTRYPOINT("WCHARENTRYPOINT", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	INFLATECOMPRESSTARGET("INFLATECOMPRESSTARGET", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	BYTEPAIRCOMPRESSTARGET("BYTEPAIRCOMPRESSTARGET", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	DEBUGGABLE("DEBUGGABLE", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	/**

	 * @since 2.0

	 */

	DEBUGGABLE_UDEBONLY("DEBUGGABLE_UDEBONLY", IMMPParserConfiguration.FLAG_STATEMENT), //$NON-NLS-1$

	HEADER("HEADER", IMMPParserConfiguration.FLAG_STATEMENT, "RESOURCE|BITMAP"), //$NON-NLS-1$ //$NON-NLS-2$

	HEADERONLY("HEADERONLY", IMMPParserConfiguration.FLAG_STATEMENT, "RESOURCE|BITMAP"), //$NON-NLS-1$ //$NON-NLS-2$

	// single-argument statements

	ARMFPU("ARMFPU", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	DEFFILE("DEFFILE", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	EXPORTLIBRARY("EXPORTLIBRARY", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	EPOCPROCESSPRIORITY("EPOCPROCESSPRIORITY", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	LINKAS("LINKAS", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	SOURCEPATH("SOURCEPATH", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	TARGETTYPE("TARGETTYPE", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	TARGETPATH("TARGETPATH", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	TARGET("TARGET", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	BASEADDRESS("BASEADDRESS", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	EPOCSTACKSIZE("EPOCSTACKSIZE", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	SECUREID("SECUREID", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	VENDORID("VENDORID", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	VID("VID", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	EPOCDATALINKADDRESS("EPOCDATALINKADDRESS", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	FIRSTLIB("FIRSTLIB", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	VAR("VAR", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	DEPENDS("DEPENDS", IMMPParserConfiguration.SINGLE_ARGUMENT_STATEMENT), //$NON-NLS-1$

	// list-argument statements

	// NOTE: order matters

	EPOCHEAPSIZE("EPOCHEAPSIZE", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	CAPABILITY("CAPABILITY", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	LIBRARY("LIBRARY", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	DEBUGLIBRARY("DEBUGLIBRARY", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	STATICLIBRARY("STATICLIBRARY", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	WIN32_LIBRARY("WIN32_LIBRARY", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	ASSPLIBRARY("ASSPLIBRARY", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	LANG("LANG", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	MACRO("MACRO", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	SOURCE("SOURCE", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	USERINCLUDE("USERINCLUDE", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	SYSTEMINCLUDE("SYSTEMINCLUDE", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	RESOURCE("RESOURCE", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	SYSTEMRESOURCE("SYSTEMRESOURCE", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	DOCUMENT("DOCUMENT", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	RAMTARGET("RAMTARGET", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	ROMTARGET("ROMTARGET", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	ARMLIBS("ARMLIBS", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	MESSAGE("MESSAGE", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	// this takes a dotted argument and optionally an "explicit" keyword

	VERSION("VERSION", IMMPParserConfiguration.LIST_ARGUMENT_STATEMENT), //$NON-NLS-1$

	;

	private String keyword;

	private int category;

	private String blockPattern;

	/** A statement which appears only in certain blocks.

	 * 

	 * @param keyword token to match

	 * @param category category of statement

	 * @param blockPattern the block pattern.  This is read as a sequence of

	 * space-separated fields; the first of which matches the START ... token. 

	 * The optional second argument 

	 */

	private EMMPStatement(String keyword, int category, String blockPattern) {

		this.keyword = keyword;

		this.category = category;

		this.blockPattern = blockPattern;

	}

	private EMMPStatement(String keyword, int category) {

		this.keyword = keyword;

		this.category = category;

	}

	/* (non-Javadoc)

	 * @see java.lang.Enum#toString()

	 */

	@Override

	public String toString() {

		return keyword;

	}

	/**

	 * Tell if the given statement is an instance of this statement type.

	 * @param stmt

	 * @return

	 */

	public boolean matches(IASTMMPStatement stmt) {

		if (stmt == null)

			return false;

		if (stmt.getKeywordName() == null || !stmt.getKeywordName().toUpperCase().equals(keyword))

			return false;

		if (blockPattern == null) 

			return true;

		// make sure block matches

		IASTNode parent = stmt;

		while ((parent = parent.getParent()) != null) {

			if (parent instanceof IASTMMPStartBlockStatement) {

				String stmtBlockType = ((IASTMMPStartBlockStatement) parent).

					getBlockType().getValue().toUpperCase();

				return stmtBlockType.matches(blockPattern);

			}

		}

		return false;

	}

	/**

	 * Get the category

	 * @return one of IMMPParserConfiguration# elements

	 */

	public int getCategory() {

		return category;

	}

}