/*

* Copyright (c) 2008-2009 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: 

*

*/

#ifndef __PKGFILEPARSER_H__

#define __PKGFILEPARSER_H__

#ifdef WIN32

#ifdef _STLP_INTERNAL_WINDOWS_H

#define __INTERLOCKED_DECLARED

#endif

#include <windows.h>

#endif

#include <iostream>

#include <sstream>

#include <string>

#include <list>

#include <map>

#undef _L

#include "pkglanguage.h"

typedef class PkgParser PKGPARSER, *PPKGPARSER;

//Data structures for pkg file parsing

#define EOF_TOKEN			0

#define NUMERIC_TOKEN		1

#define ALPHA_TOKEN			2

#define QUOTED_STRING_TOKEN	3

#define AND_TOKEN			4

#define OR_TOKEN			5

#define NOT_TOKEN			6

#define EXISTS_TOKEN		7

#define DEVCAP_TOKEN		8

#define APPCAP_TOKEN		9

#define GE_TOKEN			10

#define LE_TOKEN			11

#define NE_TOKEN			12

#define IF_TOKEN			13

#define ELSEIF_TOKEN		14

#define ELSE_TOKEN			15

#define ENDIF_TOKEN			16

#define TYPE_TOKEN			17

#define KEY_TOKEN			18

#define LAST_TOKEN			18

#define MAX_STRING 255

typedef union _tag_VARIANTVAL

{

	TInt32 iNumber;					// numeric value, e.g. 100

	char iString[MAX_STRING];	// string value, e.g. "crystal"

}VARIANTVAL;

//Data structures to store the pkg file contents

/**

Supported package body statements

*/

typedef enum cmd_type {IF, ELSEIF, ELSE, ENDIF, INSTALLFILE, PACKAGE} CMD_TYPE;

/**

Structure to store the language details

*/

typedef struct _tag_LangList

{

	string iLangName;  // Language Name

	TUint32 iLangCode; // Language code

	TUint32 iDialectCode; // Dialect code

}LANG_LIST, *PLANG_LIST;

/**

Structure to store the package file header details

*/

typedef struct _tag_Pkgheader

{

	list<string> iPkgNames;

	TUint32 iPkgUID;

	TInt iMajorVersion;

	TInt iMinorVersion;

	TInt iBuildVersion;

	string iPkgType;

}PKG_HEADER, *PPKG_HEADER;

/**

Structure to store the installable file list

*/

typedef struct _tag_InstallFileList

{

	TInt iLangDepFlag;

	TInt iPkgFlag;

	list<string> iSourceFiles;

	string iDestFile;

}INSTALLFILE_LIST, *PINSTALLFILE_LIST;

/**

Structure to store the package body details

*/

typedef struct _tag_CmdBlock

{

	CMD_TYPE iCmdType; // Command type

	string iCmdExpr; // Expression

	PINSTALLFILE_LIST iInstallFileList; // Installable file details

}CMD_BLOCK, *PCMD_BLOCK;

typedef list<PLANG_LIST> LANGUAGE_LIST;

typedef list<string> SISFILE_LIST, FILE_LIST;

typedef list<PCMD_BLOCK> CMDBLOCK_LIST;

/** 

class PkgParser

	Parses the package file generated by DUMPSIS tool

@internalComponent

@released

*/

class PkgParser

{

public:

	PkgParser(const string& aFile);

	~PkgParser();

	void ParsePkgFile();

	void GetEmbeddedSisList(SISFILE_LIST& embedSisList);

	void GetInstallOptions(FILE_LIST& aOptions);

	void GetLanguageList(LANGUAGE_LIST& langList);

	void GetHeader(PKG_HEADER& pkgHeader);

	void GetCommandList(CMDBLOCK_LIST& cmdList);

	const char* GetPkgFileName(){

		return iPkgFileName.c_str();

	}

private:

	bool OpenFile();

	void DeleteAll(); 

	const char* iPkgFileContent ;

	TUint iContentPos ;

	string iContentStr  ;

	LANGUAGE_LIST iLangList;

	PKG_HEADER iPkgHeader;

	SISFILE_LIST iEmbedSisFiles;

	FILE_LIST iInstallOptions;

	CMDBLOCK_LIST iPkgBlock;

	string iPkgFileName;

	//Parser Methods

	void AddLanguage(const string& aLang, TUint32 aCode, TUint32 aDialect);

	void GetNextChar() ;

	inline char GetCurChar() const {

		return iPkgFileContent[iContentPos] ;

	}

	void GetNextToken();

	bool GetStringToken();

	TUint16 ParseEscapeChars();

	void GetAlphaNumericToken();

	bool IsNumericToken();

	void GetNumericToken();

	void ParseEmbeddedBlockL ();

	void ParseCommentL();

	inline void ExpectToken(TInt aToken) { 

		if (iToken!=aToken) 

			ParserError("Unexpected Token"); 

	}

	void ParseHeaderL();

	void ParseLanguagesL();

	void ParseFileL();

	void ParsePackageL();

	void ParseIfBlockL();

	void ParseLogicalOp(string& aExpression);

	void ParseRelation(string& aExpression);

	void ParseUnary(string& aExpression);

	void ParseFactor(string& aExpression);

	void ParseOptionsBlockL();

	void ParsePropertyL();

	void ParseVendorNameL();

	void ParseLogoL();

	void ParseDependencyL();

	void ParseVersion();

	void ParseVendorUniqueNameL();

	void ParseTargetDeviceL();

	//Parser Attributes 

	TInt iToken;

	VARIANTVAL iTokenVal;

	TInt iLineNumber;

	void ParserError(const char* aMsg);

};

#endif //__PKGFILEPARSER_H__