130 lines
4.4 KiB
Plaintext
130 lines
4.4 KiB
Plaintext
#ifndef OSGDB_STREAMOPERATOR
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#define OSGDB_STREAMOPERATOR
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#include <iostream>
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#include <sstream>
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#include <osg/Referenced>
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#include <osgDB/Export>
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#include <osgDB/DataTypes>
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namespace osgDB
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{
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// forward declare
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class InputStream;
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class OSGDB_EXPORT OutputIterator : public osg::Referenced
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{
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public:
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OutputIterator() : _out(0) {}
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virtual ~OutputIterator() {}
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void setStream( std::ostream* ostream ) { _out = ostream; }
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std::ostream* getStream() { return _out; }
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const std::ostream* getStream() const { return _out; }
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virtual bool isBinary() const = 0;
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virtual void writeBool( bool b ) = 0;
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virtual void writeChar( char c ) = 0;
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virtual void writeUChar( unsigned char c ) = 0;
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virtual void writeShort( short s ) = 0;
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virtual void writeUShort( unsigned short s ) = 0;
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virtual void writeInt( int i ) = 0;
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virtual void writeUInt( unsigned int i ) = 0;
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virtual void writeLong( long l ) = 0;
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virtual void writeULong( unsigned long l ) = 0;
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virtual void writeFloat( float f ) = 0;
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virtual void writeDouble( double d ) = 0;
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virtual void writeString( const std::string& s ) = 0;
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virtual void writeStream( std::ostream& (*fn)(std::ostream&) ) = 0;
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virtual void writeBase( std::ios_base& (*fn)(std::ios_base&) ) = 0;
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virtual void writeGLenum( const ObjectGLenum& value ) = 0;
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virtual void writeProperty( const ObjectProperty& prop ) = 0;
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virtual void writeMark( const ObjectMark& mark ) = 0;
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virtual void writeCharArray( const char* s, unsigned int size ) = 0;
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virtual void writeWrappedString( const std::string& str ) = 0;
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virtual void flush() { _out->flush(); }
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protected:
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// Return true if the manipulator is std::endl
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bool isEndl( std::ostream& (*fn)(std::ostream&) )
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{
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#ifdef __sun
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// What a mess, but solaris does not like taking the address below
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std::stringstream ss;
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ss << fn;
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std::string s = ss.str();
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return !s.empty() && s[0] == '\n';
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#else
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return fn==static_cast<std::ostream& (*)(std::ostream&)>(std::endl);
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#endif
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}
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std::ostream* _out;
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};
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class OSGDB_EXPORT InputIterator : public osg::Referenced
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{
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public:
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InputIterator() : _in(0), _inputStream(0), _byteSwap(0), _failed(false) {}
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virtual ~InputIterator() {}
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void setStream( std::istream* istream ) { _in = istream; }
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std::istream* getStream() { return _in; }
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const std::istream* getStream() const { return _in; }
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void setInputStream( InputStream* inputStream) { _inputStream = inputStream; }
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InputStream* getInputStream() { return _inputStream; }
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const InputStream* getInputStream() const { return _inputStream; }
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void setByteSwap(int byteSwap) { _byteSwap = byteSwap; }
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int getByteSwap() const { return _byteSwap; }
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void checkStream() const { if (_in->rdstate()&_in->failbit) _failed = true; }
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bool isFailed() const { return _failed; }
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virtual bool isBinary() const = 0;
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virtual void readBool( bool& b ) = 0;
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virtual void readChar( char& c ) = 0;
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virtual void readSChar( signed char& c ) = 0;
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virtual void readUChar( unsigned char& c ) = 0;
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virtual void readShort( short& s ) = 0;
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virtual void readUShort( unsigned short& s ) = 0;
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virtual void readInt( int& i ) = 0;
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virtual void readUInt( unsigned int& i ) = 0;
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virtual void readLong( long& l ) = 0;
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virtual void readULong( unsigned long& l ) = 0;
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virtual void readFloat( float& f ) = 0;
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virtual void readDouble( double& d ) = 0;
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virtual void readString( std::string& s ) = 0;
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virtual void readStream( std::istream& (*fn)(std::istream&) ) = 0;
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virtual void readBase( std::ios_base& (*fn)(std::ios_base&) ) = 0;
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virtual void readGLenum( ObjectGLenum& value ) = 0;
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virtual void readProperty( ObjectProperty& prop ) = 0;
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virtual void readMark( ObjectMark& mark ) = 0;
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virtual void readCharArray( char* s, unsigned int size ) = 0;
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virtual void readWrappedString( std::string& str ) = 0;
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virtual bool matchString( const std::string& /*str*/ ) { return false; }
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virtual void advanceToCurrentEndBracket() {}
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void throwException( const std::string& msg );
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void readComponentArray( char* s, unsigned int numElements, unsigned int numComponentsPerElements, unsigned int componentSizeInBytes);
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protected:
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std::istream* _in;
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osgDB::InputStream* _inputStream;
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int _byteSwap;
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mutable bool _failed;
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};
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}
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#endif
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