OpenSceneGraph/include/osgDB/FieldReader
2002-07-16 20:07:32 +00:00

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//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSGDB_FIELDREADER
#define OSGDB_FIELDREADER 1
#include <osgDB/Export>
#include <string.h>
#include <stdlib.h>
#include <iostream>
namespace osgDB {
class Field;
class OSGDB_EXPORT FieldReader
{
public:
FieldReader();
FieldReader(const FieldReader& ic);
virtual ~FieldReader();
virtual FieldReader& operator = (const FieldReader& ic);
void attach(std::istream* input);
void detach();
virtual bool eof() const;
bool readField(Field& fieldPtr);
void ignoreField();
/** no of unmatched `{' encountered so far in file*/
int getNoNestedBrackets() const;
private:
bool _readField(Field* fieldPtr);
void _init();
void _free();
void _copy(const FieldReader& ic);
std::istream* _fin;
bool _eof;
bool findStartOfNextField();
int _noNestedBrackets;
bool _delimiterEatLookUp[256];
bool _delimiterKeepLookUp[256];
};
}
#endif // __SG_FIELD_READER_H