Function xmlSplitQName4

ThirdParty/libxml2/vtklibxml2/tree.c:306–339

* xmlSplitQName4: * @name: the full QName * @prefixPtr: pointer to resulting prefix * * Parse a QName. The return value points to the start of the local * name in the input string. If the QName has a prefix, it will be * allocated and stored in @prefixPtr. This string must be freed by * the caller. If there's no prefix, @prefixPtr is set to NULL. * * Returns the local name or NULL if a

 * Returns the local name or NULL if a memory allocation failed.
 */
const xmlChar *
xmlSplitQName4(const xmlChar *name, xmlChar **prefixPtr) {
    xmlChar *prefix;
    int l = 0;

    if ((name == NULL) || (prefixPtr == NULL))
        return(NULL);

    *prefixPtr = NULL;

    /* nasty but valid */
    if (name[0] == ':')
	return(name);

    /*
     * we are not trying to validate but just to cut, and yes it will
     * work even if this is as set of UTF-8 encoded chars
     */
    while ((name[l] != 0) && (name[l] != ':'))
	l++;

    /*
     * TODO: What about names with multiple colons?
     */
    if ((name[l] == 0) || (name[l+1] == 0))
	return(name);

    prefix = xmlStrndup(name, l);
    if (prefix == NULL)
        return(NULL);

    *prefixPtr = prefix;
    return(&name[l+1]);
}

/************************************************************************
 *									*