#ifndef _HTTP_SCAN_HPP_
#define _HTTP_SCAN_HPP_
#ifndef _COMMON_BLOCK_HPP_
#include <common/block.hpp>
#endif
#ifndef _HTTP_EMIT_HPP_
#include <http/emit.hpp>
#endif
#ifndef _HTTP_SYMBOL_HPP_
#include <http/symbol.hpp>
#endif
#ifndef _HTTP_TABLE_HPP_
#include <http/table.hpp>
#endif
#ifndef _COMMON_OPENFILE_HPP_
#include <common/openfile.hpp>
#endif

class Scan : public Emit
{
public:
  enum ScanSymbols{leftangle1,rightangle1,forwardslash1,ampersand1,semicolon1,space1,
	  colon1,leftparen1,rightparen1,exclamation1,minus1,pound1,literal1,name1,
		equal1,newline1,numeral1,endtext1,unknown1,stop1};
	Scan(PureViewOfFile &srcView,PureViewOfFile &dstView,Table &symbolTable,WORD allowUserSymbols=TRUE);
	virtual ~Scan();
	void analyze(void);
private:
  enum {SpaceChar=32,TabChar=9,LineFeed=10};
	void readch(void);
	void skipSeparators(void);
	void scanNewLine(void);
	void scanNumeral(void);
	void scanWord(void);
  void scanLiteral(void);
	void scanLeftAngle(void);
	void scanRightAngle(void);
	void scanForwardSlash(void);
	void scanAmpersand(void);
	void scanSemicolon(void);
	void scanPound(void);
	void scanExclamation(void);
	void scanMinus(void);
	void scanEqual(void);
	void scanColon(void);
	void scanSpace(void);
	void scanRightParen(void);
	void scanLeftParen(void);
	void scanUnknown(void);

	WORD mUserSymbols;
	Table &mSymbolTable;
	FileHandle mLogFile;
	int mChar;
};

inline
void Scan::readch(void)
{
	mChar=read();
}
#endif