/*
* Copyright (c) 1995-2009 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: 
* @internalComponent * @released
* OBY file reader and processing class Definition.
*
*/


#ifndef __R_OBEY_H__
#define __R_OBEY_H__

#define __REFERENCE_CAPABILITY_NAMES__

#include <stdio.h>
#include <e32capability.h>
#include <kernel/kernboot.h>
#include "fatdefines.h"

#include <vector>
#include <map>
#include <fstream>

using namespace std;
//
const TUint32 KNumWords=16;
//
const TInt KDefaultRomSize=0x400000;
const TInt KDefaultRomAlign=0x10;
//
typedef vector<string> StringVector ;
typedef map<string, StringVector> KeywordMap;

enum EKeyword
{
	EKeywordNone=0,	// backwards compatibility, but now ignored
	EKeywordFile,
	EKeywordData,
	EKeywordDir,
	EKeywordDirCpy,
	EKeywordRofsName,
	EKeywordExtensionRofs, 
	EKeywordCoreRofsName,
	EKeywordRomSize,
	EKeywordAlias,
	EKeywordHide,
	EKeywordRename,
	EKeywordRofsSize,
	EKeywordRofsChecksum,
	EKeywordVersion,
	EKeywordTime,
	EKeywordRomChecksum,
	EKeywordTrace,
	EKeywordCoreImage,
	EKeywordRofsAutoSize,
	EKeywordFileCompress,
	EKeywordFileUncompress,
	EKeywordHideV2,
	EKeywordPatchDllData,
	EKeywordPagingOverride,
	EKeywordCodePagingOverride,
	EKeywordDataPagingOverride,
	// Added to support data drive images.
	EKeywordDataImageName,    
	EKeywordDataImageFileSystem, 
	EKeywordDataImageSize,
	EKeywordDataImageVolume,
	EKeywordDataImageSectorSize,
	EKeywordDataImageClusterSize,
	EKeywordDataImageNoOfFats,
	EKeywordSmrImageName,
	EKeywordSmrFileData,
	EKeywordSmrFormatVersion,
	EKeywordSmrFlags,
	EKeywordSmrUID

};

enum EFileAttribute {
	EAttributeAtt,
	EAttributeAttExtra,
//	EAttributeCompress,
	EAttributeStack,
	EAttributeFixed,
	EAttributePriority,
	EAttributeUid1,
	EAttributeUid2,
	EAttributeUid3,
	EAttributeHeapMin,
	EAttributeHeapMax,
	EAttributeCapability,
	EAttributeUnpaged,
	EAttributePaged,
	EAttributeUnpagedCode,
	EAttributePagedCode,
	EAttributeUnpagedData,
	EAttributePagedData,
	};

#include "r_romnode.h"
#include "r_rofs.h"

class MRofsImage;
 
struct ObeyFileKeyword
	{
	const char* iKeyword;
	size_t iKeywordLength;
	TInt iPass;
	TInt iNumArgs;		// -ve means >= number
	enum EKeyword iKeywordEnum;
	const char* iHelpText;
	};

struct FileAttributeKeyword
	{
	const char* iKeyword;
	size_t iKeywordLength;
	TInt iIsFileAttribute;
	TInt iNumArgs;
	enum EFileAttribute iAttributeEnum;
	const char* iHelpText;
	};

class ObeyFileReader
	{
public:
	ObeyFileReader(const char *aFileName);
	~ObeyFileReader();

	static void KeywordHelp();

	TBool Open();
	void Mark();
	void MarkNext();
	void Rewind();

	TInt NextLine(TInt aPass, enum EKeyword& aKeyword);
	TInt NextAttribute(TInt& aIndex, TInt aHasFile, enum EFileAttribute& aKeyword, char*& aArg);

	char* DupWord(TInt aIndex) const;				// allocate copy of nth word
	TInt Count() const { return iNumWords;}				// number of words on current line
	const char* Word(TInt aIndex) const { return iWord[aIndex]; }	// return nth word as char* 
	const char* Suffix() const { return iSuffix; } 			// return unmatched suffix of word[0]
	TInt CurrentLine() const { return iCurrentLine;}				// number of words on current line
	const char* GetCurrentObeyStatement() const {return iCurrentObeyStatement;}						// return current obey statement

	void ProcessTime(TInt64& aTime);
	static void TimeNow(TInt64& aTime);
private:
	TInt ReadAndParseLine(); 
	TInt Parse();
	inline static TBool IsGap(char ch) {
		return (ch==' ' || ch=='=' || ch=='\t');
	}

	static const ObeyFileKeyword iKeywords[];
	static const FileAttributeKeyword iAttributeKeywords[];
	static TInt64 iTimeNow;

private:
	TInt iCurrentLine; 
	StringVector iLines ;
	string iFileName;
	TInt iNumWords;	
	char* iLine;
	TInt iMarkLine ;
	char* iCurrentObeyStatement;
	char iSuffix[80];
	char* iWord[KNumWords];
	};

class CPatchDataProcessor;
// Configurable FAT attributes


class CObeyFile
	{
public:
	char* iRomFileName;
	char* iExtensionRofsName;
	char* iKernelRofsName;
	TInt iRomSize;
	TVersion iVersion;
	TUint32 iCheckSum;
	TInt iNumberOfFiles;
	TInt64 iTime;
	TRomNode* iRootDirectory;
	TInt iNumberOfDataFiles;
	// Added to support Data Drive Images.
	char* iDriveFileName; 
	char* iDriveFileFormat;
	ConfigurableFatAttributes iConfigurableFatAttributes;

private:
	ObeyFileReader& iReader;
	TInt iMissingFiles;
	TRomNode* iLastExecutable;

	TRomBuilderEntry* iFirstFile;
	TRomBuilderEntry** iNextFilePtrPtr;
	TRomBuilderEntry* iCurrentFile;
	KeywordMap iKeyValues;

public:
	CObeyFile(ObeyFileReader& aReader);
	~CObeyFile();
	void Release();
	TInt ProcessRofs();
	TInt ProcessExtensionRofs(MRofsImage* info);
	TInt ProcessDataDrive();		//	Process the data drive obey file.
	TRomBuilderEntry *FirstFile();
	TRomBuilderEntry *NextFile();
	char* ProcessCoreImage() const;
	void SkipToExtension();
	TBool AutoSize() const {return iAutoSize ;}
	TUint32 AutoPageSize() const {return iAutoPageSize;} 
	TBool Process();
 
	StringVector getValues(const string& aKey);

private:
	TBool ProcessFile(TInt aAlign, enum EKeyword aKeyword);
	TBool ProcessDriveFile(enum EKeyword aKeyword);               
	TBool ProcessRenaming(enum EKeyword aKeyword);
	TBool ProcessKeyword(enum EKeyword aKeyword);
	TBool ProcessDriveKeyword(enum EKeyword aKeyword);
	void ProcessExtensionKeyword(enum EKeyword aKeyword);
	TInt ParseFileAttributes(TRomNode* aNode, TRomBuilderEntry* aFile, enum EKeyword aKeyword);
	TInt ParseSection();
	TBool ParsePatchDllData();
	TBool GotKeyVariables();
	TBool GotKeyDriveVariables();			// To check the data drive mandatory variables. 
	TBool GotExtensionVariables(MRofsImage* aRom);
	void AddFile(TRomBuilderEntry* aFile);

	TInt SetStackSize(TRomNode* aNode, const char *aStr);
	TInt SetHeapSizeMin(TRomNode* aNode, const char *aStr);
	TInt SetHeapSizeMax(TRomNode* aNode, const char *aStr);
	TInt SetCapability(TRomNode* aNode, const char *aStr);
	TInt SetUid1(TRomNode* aNode, const char *aStr);
	TInt SetUid2(TRomNode* aNode, const char *aStr);
	TInt SetUid3(TRomNode* aNode, const char *aStr);
	TInt SetPriority(TRomNode* aNode, const char *aStr);

	TRomNode* AddFileToNodeTree(enum EKeyword aKeyword, TRomNode* dir, const char* filename, const char* aPCSidename, const TBool aParseAttr, TBool aFileCompressOption = EFalse, TBool aFileUncompressOption = EFalse);
	TRomNode* AddDirToNodeTree(enum EKeyword aKeyword, TRomNode* dir, const char* dirname);
	TBool CreateFromFolder(const char* aPath,TRomNode* aParent);
	
	static TBool GetNextBitOfFileName(char*& epocEndPtr);
	static const char *IsValidFilePath(const char *aPath);
	static const char* IsValidDirPath(const char* aPath);

	TBool iAutoSize;
	TUint32 iAutoPageSize;
	TBool iPagingOverrideParsed;
	TBool iCodePagingOverrideParsed;
	TBool iDataPagingOverrideParsed;
public:
	CPatchDataProcessor* iPatchData;	
	void SplitPatchDataStatement(StringVector& aPatchDataTokens);	
	};


#endif