common.h

x-wrt is the GUI config tool for openwrt,which is a open project about wireless Router

#if !defined common_h_included
#define common_h_included

#include <stdio.h>
#include <vector>
#include "MemBuffer.h"


class XWRT_Common
{
public:
	XWRT_Common(int fileBufferSize=17); // 128 kb
	~XWRT_Common();

	int defaultSettings(int argc, char* argv[]);
	unsigned int flen( FILE* &f );
	void getAlgName(std::string& compName);

	CContainers cont;
	bool deleteInputFiles,WRT_verbose,YesToAll;
	EPreprocessType preprocType;
	int preprocFlag;

protected:
	void init_PPMVC(int fileSizeInMB,int mode);
	inline void stringHash(const unsigned char *ptr, int len,int& hash);
	inline int addWord(unsigned char* &mem,int &i);
	unsigned char* loadDynamicDictionary(unsigned char* mem,unsigned char* mem_end);
	unsigned char* loadDictionary(FILE* file,unsigned char* mem,int word_count);
	void loadCharset(FILE* file);
	void tryAddSymbol(int c);
	void initializeLetterSet();
	void initializeCodeWords(int word_count,bool initMem=true);
	bool initialize(unsigned char* dictName,bool encoding);
	void WRT_deinitialize();

	int getSourcePath(char* buf, int buf_size);
	void WRT_print_options();
	int minSpacesFreq();

	int* word_hash;
	EPreprocessType codewordType;
	EWordType subWordType;
	bool decoding,fileCorrupted,detect,firstWarn;
	int maxDynDictBuf,minWordFreq,compLevel,maxDictSize,additionalParam,firstPassBlock;
	int tryShorterBound,spaces,fileLenMB,beforeWord,PPMVClib_order;
	int spacesCodeword[256];
	int spacesCont[256];
	std::vector<std::string> sortedDict;

	ELetterType letterType;
	ELetterType letterSet[256];

	int sizeDict,sizeDynDict;
	unsigned char* dictmem;
	unsigned char* dictmem_end;
	unsigned char* mem;
	
	std::vector<std::string> stack;
	
	int addSymbols[256]; // reserved symbols in output alphabet 
	int reservedSet[256]; // reserved symbols in input alphabet
	int outputSet[256];
	int reservedFlags[256];
	int wordSet[256]; 
	int startTagSet[256]; 
	int urlSet[256];
	int whiteSpaceSet[256];
	int sym2codeword[256]; 
	int codeword2sym[256]; 
	int value[256];
	int detectedSymbols[32];
	unsigned char num[16];
	size_t mFileBufferSize;

	int dictionary,dict1size,dict2size,dict3size,dict4size,dict1plus2plus3,dict1plus2;
	int bound4,bound3,dict123size,dict12size,collision,quoteOpen,quoteClose,detectedSym;
	int maxMemSize;
	int sortedDictSize;
	std::string compName;

public:
	Encoder* PAQ_encoder;
};

size_t fread_fast(unsigned char* dst, int len, FILE* file);
size_t fwrite_fast(unsigned char* dst, int len, FILE* file);

extern unsigned char** dict;
extern int* dictfreq;
extern unsigned char* dictlen;

#endif