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#ifndef OSGDB_STREAMOPERATOR
#define OSGDB_STREAMOPERATOR
#include <iostream>
#include <sstream>
#include <osg/Referenced>
#include <osgDB/Export>
#include <osgDB/DataTypes>
namespace osgDB
{
// forward declare
class InputStream;
class OutputStream;
class OSGDB_EXPORT OutputIterator : public osg::Referenced
{
public:
OutputIterator() : _out(0), _outputStream(0), _supportBinaryBrackets(false) {}
virtual ~OutputIterator() {}
void setStream( std::ostream* ostream ) { _out = ostream; }
std::ostream* getStream() { return _out; }
const std::ostream* getStream() const { return _out; }
void setOutputStream( OutputStream* outputStream) { _outputStream = outputStream; }
OutputStream* getOutputStream() { return _outputStream; }
const OutputStream* getOutputStream() const { return _outputStream; }
void setSupportBinaryBrackets( bool b ) { _supportBinaryBrackets = b; }
bool getSupportBinaryBrackets() const { return _supportBinaryBrackets; }
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 writeInt64( GLint64 ll ) = 0;
virtual void writeUInt64( GLuint64 ull ) = 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;
virtual void writeWrappedString( const std::string& str ) = 0;
virtual void flush() { _out->flush(); }
protected:
// Return true if the manipulator is std::endl
bool isEndl( std::ostream& (*fn)(std::ostream&) )
{
#if defined (__sun) || (defined _WIN32 && !defined OSG_LIBRARY_STATIC)
// What a mess, but solaris does not like taking the address below
// windows std::endl is a template with different adresses in different dll's
std::stringstream ss;
ss << fn;
std::string s = ss.str();
return !s.empty() && s[0] == '\n';
#else
return fn==static_cast<std::ostream& (*)(std::ostream&)>(std::endl);
#endif
}
std::ostream* _out;
osgDB::OutputStream* _outputStream;
bool _supportBinaryBrackets;
};
class OSGDB_EXPORT InputIterator : public osg::Referenced
{
public:
InputIterator() : _in(0), _inputStream(0), _byteSwap(0), _supportBinaryBrackets(false), _failed(false) {}
virtual ~InputIterator() {}
void setStream( std::istream* istream ) { _in = istream; }
std::istream* getStream() { return _in; }
const std::istream* getStream() const { return _in; }
void setInputStream( InputStream* inputStream) { _inputStream = inputStream; }
InputStream* getInputStream() { return _inputStream; }
const InputStream* getInputStream() const { return _inputStream; }
void setByteSwap(int byteSwap) { _byteSwap = byteSwap; }
int getByteSwap() const { return _byteSwap; }
void setSupportBinaryBrackets( bool b ) { _supportBinaryBrackets = b; }
bool getSupportBinaryBrackets() const { return _supportBinaryBrackets; }
void checkStream() const;
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;
virtual void readWrappedString( std::string& str ) = 0;
virtual bool matchString( const std::string& /*str*/ ) { return false; }
virtual void advanceToCurrentEndBracket() {}
void throwException( const std::string& msg );
void readComponentArray( char* s, unsigned int numElements, unsigned int numComponentsPerElements, unsigned int componentSizeInBytes);
protected:
std::istream* _in;
osgDB::InputStream* _inputStream;
int _byteSwap;
bool _supportBinaryBrackets;
mutable bool _failed;
};
}
#endif
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