73 lines
1.8 KiB
Plaintext
73 lines
1.8 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSGDB_FIELDREADERITERATOR
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#define OSGDB_FIELDREADERITERATOR 1
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#include <osgDB/Field>
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#include <osgDB/FieldReader>
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namespace osgDB {
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class OSGDB_EXPORT FieldReaderIterator
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{
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public:
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enum {
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MINIMUM_FIELD_READER_QUEUE_SIZE = 10
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};
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FieldReaderIterator();
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FieldReaderIterator(const FieldReaderIterator& ic);
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virtual ~FieldReaderIterator();
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FieldReaderIterator& operator = (const FieldReaderIterator& ic);
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void attach(std::istream* input);
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void detach();
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virtual bool eof() const;
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FieldReader& getFieldReader() { return _reader; }
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void insert(int pos,Field* field);
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void insert(int pos,const char* str);
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Field& operator [] (int pos);
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Field& field (int pos);
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FieldReaderIterator& operator ++ ();
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FieldReaderIterator& operator += (int no);
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/** increments the iterator of the next simple field or
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* whole block if the current field[0] is an open bracket */
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void advanceOverCurrentFieldOrBlock();
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void advanceToEndOfCurrentBlock();
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void advanceToEndOfBlock(int noNestBrackets);
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bool matchSequence(const char* str);
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private:
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void _init();
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void _free();
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void _copy(const FieldReaderIterator& ic);
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FieldReader _reader;
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Field _blank;
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Field* _previousField;
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Field** _fieldQueue;
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int _fieldQueueSize;
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int _fieldQueueCapacity;
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};
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}
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#endif // __OSGDB_FIELD_READER_QUEUE_H
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