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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGDB_FIELDREADER
#define OSGDB_FIELDREADER 1
#include <osgDB/Export>
#include <istream>
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
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