Function xmlSchemaCheckLanguageType

ThirdParty/libxml2/vtklibxml2/xmlschemastypes.c:2397–2424

* xmlSchemaCheckLanguageType * @value: the value to check * * Check that a value conforms to the lexical space of the language datatype. * Must conform to [a-zA-Z]{1,8}(-[a-zA-Z0-9]{1,8})* * * Returns 1 if this validates, 0 otherwise. */

 * Returns 1 if this validates, 0 otherwise.
 */
static int
xmlSchemaCheckLanguageType(const xmlChar* value) {
    int first = 1, len = 0;
    const xmlChar* cur = value;

    if (value == NULL)
        return (0);

    while (cur[0] != 0) {
        if (!( ((cur[0] >= 'a') && (cur[0] <= 'z')) || ((cur[0] >= 'A') && (cur[0] <= 'Z'))
            || (cur[0] == '-')
            || ((first == 0) && (xmlIsDigit_ch(cur[0]))) ))
            return (0);
        if (cur[0] == '-') {
            if ((len < 1) || (len > 8))
                return (0);
            len = 0;
            first = 0;
        }
        else
            len++;
        cur++;
    }
    if ((len < 1) || (len > 8))
        return (0);

    return (1);
}

/**
 * xmlSchemaValAtomicType: