Function dav_xml_get_cdata

modules/dav/main/util.c:385–460

gather up all the CDATA into a single string */

/* gather up all the CDATA into a single string */
DAV_DECLARE(const char *) dav_xml_get_cdata(const apr_xml_elem *elem, apr_pool_t *pool,
                              int strip_white)
{
    apr_size_t len = 0;
    apr_text *scan;
    const apr_xml_elem *child;
    char *cdata;
    char *s;
    apr_size_t tlen;
    const char *found_text = NULL; /* initialize to avoid gcc warning */
    int found_count = 0;

    for (scan = elem->first_cdata.first; scan != NULL; scan = scan->next) {
        found_text = scan->text;
        ++found_count;
        len += strlen(found_text);
    }

    for (child = elem->first_child; child != NULL; child = child->next) {
        for (scan = child->following_cdata.first;
             scan != NULL;
             scan = scan->next) {
            found_text = scan->text;
            ++found_count;
            len += strlen(found_text);
        }
    }

    /* some fast-path cases:
     * 1) zero-length cdata
     * 2) a single piece of cdata with no whitespace to strip
     */
    if (len == 0)
        return "";
    if (found_count == 1) {
        if (!strip_white
            || (!apr_isspace(*found_text)
                && !apr_isspace(found_text[len - 1])))
            return found_text;
    }

    cdata = s = apr_palloc(pool, len + 1);

    for (scan = elem->first_cdata.first; scan != NULL; scan = scan->next) {
        tlen = strlen(scan->text);
        memcpy(s, scan->text, tlen);
        s += tlen;
    }

    for (child = elem->first_child; child != NULL; child = child->next) {
        for (scan = child->following_cdata.first;
             scan != NULL;
             scan = scan->next) {
            tlen = strlen(scan->text);
            memcpy(s, scan->text, tlen);
            s += tlen;
        }
    }