Writer.h

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#ifndef __DCL_WRITER_H__
#define __DCL_WRITER_H__    20071008
 
#ifndef __DCL_OBJECT_H__
#include <dcl/Object.h>
#endif
#ifndef __DCL_EXCEPTION_H__
#include <dcl/Exception.h>
#endif
#ifndef __DCL_STRING_H__
#include <dcl/String.h>
#endif
#ifndef __DCL_OUTPUT_STREAM_H__     // for endl
#include <dcl/OutputStream.h>
#endif
#ifndef __DCL_NUMERIC_H__
#include <dcl/Numeric.h>
#endif
 
__DCL_BEGIN_NAMESPACE

class DCLCAPI Writer : public Object
{
    DECLARE_CLASSINFO(Writer)
public:
    virtual void close()
            __DCL_THROWS1(IOException*);

    virtual void flush()
            __DCL_THROWS1(IOException*);

    virtual Writer& write(const wchar_t* _buf, size_t _n)
            __DCL_THROWS1(IOException*) = 0;

    virtual int vprintf(const wchar_t* _format, va_list _arglist)
            __DCL_THROWS1(IOException*);

    int printf(const wchar_t* _format, ...)
            __DCL_THROWS1(IOException*);
};
 
#if __DCL_DEBUG
static const wchar_t* __pszWriter_h__ = __T("dcl/Writer.h");
#undef __THIS_FILE__
#define __THIS_FILE__ __pszWriter_h__
#endif
 
DCLCAPI Writer& operator << (Writer& _writer, const __endl&)
        __DCL_THROWS1(IOException*);
 
DCLCAPI inline Writer& operator << (Writer& _writer, const wchar_t* _psz)
            __DCL_THROWS1(IOException*)
{
    __DCL_ASSERT(_psz != NULL);
    return _writer.write(_psz, String::length(_psz));
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, const String& _str)
            __DCL_THROWS1(IOException*)
{
    return _writer.write(_str.data(), _str.length());
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, const StringBuilder& _sb)
__DCL_THROWS1(IOException*)
{
    return _writer.write(_sb.data(), _sb.length());
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, const Object& _obj)
            __DCL_THROWS1(IOException*)
{
    return _writer << _obj.toString();
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, short int _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, unsigned short int _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, int _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, unsigned int _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, long _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, unsigned long _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, long long  _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, unsigned long long _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, float  _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, double _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
DCLCAPI inline Writer& operator << (Writer& _writer, long double _n)
__DCL_THROWS1(IOException*)
{
    return _writer << String::valueOf(_n);
}
 
#if __DCL_DEBUG
#undef __THIS_FILE__
#define __THIS_FILE__   __T(__FILE__)
#endif
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_WRITER_H__