| 1 | #ifndef OSGDB_STREAMOPERATOR |
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| 2 | #define OSGDB_STREAMOPERATOR |
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| 3 | |
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| 4 | #include <iostream> |
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| 5 | #include <sstream> |
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| 6 | #include <osgDB/DataTypes> |
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| 7 | |
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| 8 | namespace osgDB |
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| 9 | { |
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| 10 | |
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| 11 | class OSGDB_EXPORT OutputIterator |
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| 12 | { |
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| 13 | public: |
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| 14 | OutputIterator() : _out(0) {} |
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| 15 | virtual ~OutputIterator() {} |
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| 16 | |
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| 17 | void setStream( std::ostream* ostream ) { _out = ostream; } |
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| 18 | std::ostream* getStream() { return _out; } |
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| 19 | const std::ostream* getStream() const { return _out; } |
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| 20 | |
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| 21 | virtual bool isBinary() const = 0; |
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| 22 | |
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| 23 | virtual void writeBool( bool b ) = 0; |
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| 24 | virtual void writeChar( char c ) = 0; |
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| 25 | virtual void writeUChar( unsigned char c ) = 0; |
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| 26 | virtual void writeShort( short s ) = 0; |
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| 27 | virtual void writeUShort( unsigned short s ) = 0; |
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| 28 | virtual void writeInt( int i ) = 0; |
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| 29 | virtual void writeUInt( unsigned int i ) = 0; |
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| 30 | virtual void writeLong( long l ) = 0; |
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| 31 | virtual void writeULong( unsigned long l ) = 0; |
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| 32 | virtual void writeFloat( float f ) = 0; |
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| 33 | virtual void writeDouble( double d ) = 0; |
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| 34 | virtual void writeString( const std::string& s ) = 0; |
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| 35 | virtual void writeStream( std::ostream& (*fn)(std::ostream&) ) = 0; |
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| 36 | virtual void writeBase( std::ios_base& (*fn)(std::ios_base&) ) = 0; |
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| 37 | |
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| 38 | virtual void writeGLenum( const ObjectGLenum& value ) = 0; |
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| 39 | virtual void writeProperty( const ObjectProperty& prop ) = 0; |
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| 40 | virtual void writeMark( const ObjectMark& mark ) = 0; |
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| 41 | virtual void writeCharArray( const char* s, unsigned int size ) = 0; |
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| 42 | |
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| 43 | protected: |
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| 44 | std::ostream* _out; |
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| 45 | }; |
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| 46 | |
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| 47 | class OSGDB_EXPORT InputIterator |
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| 48 | { |
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| 49 | public: |
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| 50 | InputIterator() : _in(0), _failed(false) {} |
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| 51 | virtual ~InputIterator() {} |
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| 52 | |
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| 53 | void setStream( std::istream* istream ) { _in = istream; } |
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| 54 | std::istream* getStream() { return _in; } |
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| 55 | const std::istream* getStream() const { return _in; } |
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| 56 | |
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| 57 | bool isFailed() const { return _failed; } |
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| 58 | virtual bool isBinary() const = 0; |
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| 59 | |
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| 60 | virtual void readBool( bool& b ) = 0; |
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| 61 | virtual void readChar( char& c ) = 0; |
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| 62 | virtual void readSChar( signed char& c ) = 0; |
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| 63 | virtual void readUChar( unsigned char& c ) = 0; |
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| 64 | virtual void readShort( short& s ) = 0; |
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| 65 | virtual void readUShort( unsigned short& s ) = 0; |
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| 66 | virtual void readInt( int& i ) = 0; |
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| 67 | virtual void readUInt( unsigned int& i ) = 0; |
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| 68 | virtual void readLong( long& l ) = 0; |
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| 69 | virtual void readULong( unsigned long& l ) = 0; |
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| 70 | virtual void readFloat( float& f ) = 0; |
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| 71 | virtual void readDouble( double& d ) = 0; |
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| 72 | virtual void readString( std::string& s ) = 0; |
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| 73 | virtual void readStream( std::istream& (*fn)(std::istream&) ) = 0; |
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| 74 | virtual void readBase( std::ios_base& (*fn)(std::ios_base&) ) = 0; |
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| 75 | |
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| 76 | virtual void readGLenum( ObjectGLenum& value ) = 0; |
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| 77 | virtual void readProperty( ObjectProperty& prop ) = 0; |
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| 78 | virtual void readMark( ObjectMark& mark ) = 0; |
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| 79 | virtual void readCharArray( char* s, unsigned int size ) = 0; |
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| 80 | |
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| 81 | protected: |
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| 82 | void checkStream() const |
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| 83 | { if (_in->rdstate()&_in->failbit) _failed = true; } |
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| 84 | |
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| 85 | std::istream* _in; |
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| 86 | mutable bool _failed; |
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| 87 | }; |
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| 88 | |
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| 89 | } |
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| 90 | |
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| 91 | #endif |
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