Function xmlEncInputChunk

ThirdParty/libxml2/vtklibxml2/encoding.c:2179–2223

* xmlEncInputChunk: * @handler: encoding handler * @out: a pointer to an array of bytes to store the result * @outlen: the length of @out * @in: a pointer to an array of input bytes * @inlen: the length of @in * * The value of @inlen after return is the number of octets consumed * as the return value is 0, else unpredictable. * The value of @outlen after return is the number of o

 * Returns an XML_ENC_ERR code.
 */
int
xmlEncInputChunk(xmlCharEncodingHandler *handler, unsigned char *out,
                 int *outlen, const unsigned char *in, int *inlen) {
    int ret;

    if (handler->input != NULL) {
        int oldinlen = *inlen;

        ret = handler->input(out, outlen, in, inlen);
        if (ret >= 0) {
            /*
             * The built-in converters don't signal XML_ENC_ERR_SPACE.
             */
            if (*inlen < oldinlen) {
                if (*outlen > 0)
                    ret = XML_ENC_ERR_SPACE;
                else
                    ret = XML_ENC_ERR_PARTIAL;
            } else {
                ret = XML_ENC_ERR_SUCCESS;
            }
        }
    }
#ifdef LIBXML_ICONV_ENABLED
    else if (handler->iconv_in != NULL) {
        ret = xmlIconvWrapper(handler->iconv_in, out, outlen, in, inlen);
    }
#endif /* LIBXML_ICONV_ENABLED */
#ifdef LIBXML_ICU_ENABLED
    else if (handler->uconv_in != NULL) {
        ret = xmlUconvWrapper(handler->uconv_in, 1, out, outlen, in, inlen);
    }
#endif /* LIBXML_ICU_ENABLED */
    else {
        *outlen = 0;
        *inlen = 0;
        ret = XML_ENC_ERR_INTERNAL;
    }

    /* Ignore partial errors when reading. */
    if (ret == XML_ENC_ERR_PARTIAL)
        ret = XML_ENC_ERR_SUCCESS;

    return(ret);
}

/**
 * xmlEncOutputChunk: