__strumbs.cpp

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#include <dcl/Object.h>
#include <dcl/Charset.h>
#include "__strumbs.h"
 
#if __DCL_HAVE_ALLOC_DEBUG
#undef __DCL_ALLOC_LEVEL
#define __DCL_ALLOC_LEVEL   __DCL_ALLOC_INTERNAL
#endif
 
#if __DCL_HAVE_THIS_FILE__
#undef __THIS_FILE__
static const char_t __THIS_FILE__[] = __T("dcl/__strumbs.cpp");
#endif
 
__DCL_BEGIN_NAMESPACE
 
String __mbstostr(const char* _mbs, size_t _nmbs)
    __DCL_THROWS1(CharsetConvertException*)
{
    __DCL_ASSERT(_mbs != NULL);
    return UTF8Decoder::decode(_mbs, _nmbs);
}
 
size_t __mbstostr_nt(const char* _mbs, size_t _nmbs, String& _str)
{
    try {
        _str = __mbstostr(_mbs, _nmbs);
    }
    catch (CharsetConvertException* cause) {
        cause->destroy();
        return -1;          // EILSEQ
    }
    return _str.length();
}
 
size_t __strtombs_nt(const String& _str, char* _mbs, size_t _nmbs)
{
    UTF8Encoder encoder(false);
    if (_mbs == NULL) {
        try {
            return encoder.getEncodedLength(_str, _str.length());
        }
        catch (CharsetConvertException* cause) {
            cause->destroy();
            return -1;          // EILSEQ
        }
    }
 
    const wchar_t* pIn = _str;
    size_t nInCount = _str.length();
    size_t nOutCount = _nmbs;
    int r = encoder.encode(pIn, nInCount, (byte_t*)_mbs, nOutCount);
    if (r != CS_NOERROR)
        return -1;              // EILSEQ
 
    if (nOutCount < _nmbs)
        _mbs[nOutCount] = '\0';
 
    return nOutCount;
}
 
__DCL_END_NAMESPACE