OpenSceneGraph/include/osgDB/StreamOperator

92 lines
3.0 KiB
Plaintext

#ifndef OSGDB_STREAMOPERATOR
#define OSGDB_STREAMOPERATOR
#include <iostream>
#include <sstream>
#include <osgDB/DataTypes>
namespace osgDB
{
class OSGDB_EXPORT OutputIterator
{
public:
OutputIterator() : _out(0) {}
virtual ~OutputIterator() {}
void setStream( std::ostream* ostream ) { _out = ostream; }
std::ostream* getStream() { return _out; }
const std::ostream* getStream() const { return _out; }
virtual bool isBinary() const = 0;
virtual void writeBool( bool b ) = 0;
virtual void writeChar( char c ) = 0;
virtual void writeUChar( unsigned char c ) = 0;
virtual void writeShort( short s ) = 0;
virtual void writeUShort( unsigned short s ) = 0;
virtual void writeInt( int i ) = 0;
virtual void writeUInt( unsigned int i ) = 0;
virtual void writeLong( long l ) = 0;
virtual void writeULong( unsigned long l ) = 0;
virtual void writeFloat( float f ) = 0;
virtual void writeDouble( double d ) = 0;
virtual void writeString( const std::string& s ) = 0;
virtual void writeStream( std::ostream& (*fn)(std::ostream&) ) = 0;
virtual void writeBase( std::ios_base& (*fn)(std::ios_base&) ) = 0;
virtual void writeGLenum( const ObjectGLenum& value ) = 0;
virtual void writeProperty( const ObjectProperty& prop ) = 0;
virtual void writeMark( const ObjectMark& mark ) = 0;
virtual void writeCharArray( const char* s, unsigned int size ) = 0;
protected:
std::ostream* _out;
};
class OSGDB_EXPORT InputIterator
{
public:
InputIterator() : _in(0), _failed(false) {}
virtual ~InputIterator() {}
void setStream( std::istream* istream ) { _in = istream; }
std::istream* getStream() { return _in; }
const std::istream* getStream() const { return _in; }
bool isFailed() const { return _failed; }
virtual bool isBinary() const = 0;
virtual void readBool( bool& b ) = 0;
virtual void readChar( char& c ) = 0;
virtual void readSChar( signed char& c ) = 0;
virtual void readUChar( unsigned char& c ) = 0;
virtual void readShort( short& s ) = 0;
virtual void readUShort( unsigned short& s ) = 0;
virtual void readInt( int& i ) = 0;
virtual void readUInt( unsigned int& i ) = 0;
virtual void readLong( long& l ) = 0;
virtual void readULong( unsigned long& l ) = 0;
virtual void readFloat( float& f ) = 0;
virtual void readDouble( double& d ) = 0;
virtual void readString( std::string& s ) = 0;
virtual void readStream( std::istream& (*fn)(std::istream&) ) = 0;
virtual void readBase( std::ios_base& (*fn)(std::ios_base&) ) = 0;
virtual void readGLenum( ObjectGLenum& value ) = 0;
virtual void readProperty( ObjectProperty& prop ) = 0;
virtual void readMark( ObjectMark& mark ) = 0;
virtual void readCharArray( char* s, unsigned int size ) = 0;
protected:
void checkStream() const
{ if (_in->rdstate()&_in->failbit) _failed = true; }
std::istream* _in;
mutable bool _failed;
};
}
#endif