Ejemplo n.º 1
0
DllExport int VnConvert(int inCharset, int outCharset, UKBYTE *input, UKBYTE *output, 
	      int * pInLen, int * pMaxOutLen)
{
	int inLen, maxOutLen;
	int ret = -1;

	inLen = *pInLen;
	maxOutLen = *pMaxOutLen;

	if (inLen != -1 && inLen < 0) // invalid inLen
		return ret;

	VnCharset *pInCharset = VnCharsetLibObj.getVnCharset(inCharset);
	VnCharset *pOutCharset = VnCharsetLibObj.getVnCharset(outCharset);

	if (!pInCharset || !pOutCharset)
		return VNCONV_INVALID_CHARSET;

	StringBIStream is(input, inLen, pInCharset->elementSize());
	StringBOStream os(output, maxOutLen);

	ret = genConvert(*pInCharset, *pOutCharset, is, os);
	*pMaxOutLen = os.getOutBytes();
	*pInLen = is.left();
	return ret;
}
Ejemplo n.º 2
0
//------------------------------------------------
// Returns:
//     0: successful
//     errCode: if failed
//---------------------------------------
int vnFileStreamConvert(int inCharset, int outCharset, FILE * inf, FILE *outf) {
    VnCharset *pInCharset = VnCharsetLibObj.getVnCharset(inCharset);
    VnCharset *pOutCharset = VnCharsetLibObj.getVnCharset(outCharset);

    if (!pInCharset || !pOutCharset)
        return VNCONV_INVALID_CHARSET;

    if (outCharset == CONV_CHARSET_UNICODE) {
        UKWORD sign = 0xFEFF;
        fwrite(&sign, sizeof(UKWORD), 1, outf);
    }

    FileBIStream is;
    FileBOStream os;

    is.attach(inf);
    os.attach(outf);

    return genConvert(*pInCharset, *pOutCharset, is, os);
}