UTF16Encoder Class Reference

#include <Charset.h>

Inheritance diagram for UTF16Encoder:

Protected Member Functions
virtual int	toMultiByte (ucs4_t _uc, byte_t *_mbs, size_t _mbslen)
Protected Member Functions inherited from CharsetEncoder
	CharsetEncoder ()
Protected Member Functions inherited from Object
virtual	~Object ()
	Object ()

Additional Inherited Members
Public Member Functions inherited from Object
virtual String	toString () const
virtual void	destroy ()
String	className () const
bool	isInstanceOf (const std::type_info &typeinfo) const
virtual const std::type_info &	typeInfo () const

Detailed Description

Definition at line 205 of file Charset.h.

Member Function Documentation

toMultiByte()

int UTF16Encoder::toMultiByte ( ucs4_t _uc, byte_t * _mbs, size_t _mbslen )

protectedvirtual

Implements CharsetEncoder.

Definition at line 327 of file CharsetEncoder.cpp.

{
    if (_uc != 0xFFFE && !(_uc >= 0xD800 && _uc < 0xE000)) {
        int count = 0;
        if (_uc < 0x10000) {
            if (_mbslen >= 2) {
                if (__bigEndian) {
                    _mbs[0] = (unsigned char) (_uc >> 8);
                    _mbs[1] = (unsigned char) _uc;
                }
                else {
                    _mbs[1] = (unsigned char) (_uc >> 8);
                    _mbs[0] = (unsigned char) _uc;
                }
                return count + 2;
            }
            else
                return BUFFER_SMALL;
        }
        else if (_uc < 0x110000) {
            if (_mbslen >= 4) {
                ucs4_t uc1 = 0xd800 + ((_uc - 0x10000) >> 10);
                ucs4_t uc2 = 0xdc00 + ((_uc - 0x10000) & 0x3FF);
                if (__bigEndian) {
                    _mbs[0] = (unsigned char) (uc1 >> 8);
                    _mbs[1] = (unsigned char) uc1;
                    _mbs[2] = (unsigned char) (uc2 >> 8);
                    _mbs[3] = (unsigned char) uc2;
                }
                else {
                    _mbs[3] = (unsigned char) (uc1 >> 8);
                    _mbs[2] = (unsigned char) uc1;
                    _mbs[1] = (unsigned char) (uc2 >> 8);
                    _mbs[0] = (unsigned char) uc2;
                }
                return count + 4;
            }
            else
                return BUFFER_SMALL;
        }
    }
    return ILLEGAL_UCS4;
}

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The documentation for this class was generated from the following files:

• Charset.h
• CharsetEncoder.cpp