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RRTcodebaseC

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{
/* skip <!DOCTYPE ...> or <!DOCTYPE name [ ... ]>
**************************************************************/
while (*p && *p != '[' && *p != '>' ) p++; /* search for [ or >, whatever comes first */
if (*p==0) {
goto cleanup; /* unclosed doctype */
}
else if (*p=='[') {
p = strstr(p, "]>"); /* search end of inline doctype */
if (p==NULL) {
goto cleanup; /* unclosed inline doctype */
}
else {
p += 2;
}
}
else {
p++;
}
}
else if (*p=='?')
{
/* skip <? ... ?> processing instruction
**************************************************************/
p = strstr(p, "?>");
if (p==NULL) { goto cleanup; } /* unclosed processing instruction */
p += 2;
}
else
{
p += strspn(p, XML_WS); /* skip whitespace between `<` and tagname */
if (*p=='/')
{
/* process </tag> end tag
**************************************************************/
p++;
p += strspn(p, XML_WS); /* skip whitespace between `/` and tagname */
char* beg_tag_name = p;
p += strcspn(p, XML_WS "/>"); /* find character after tagname */
if (p != beg_tag_name)
{
bak = *p;
*p = '\0'; /* null-terminate tag name temporary, eg. a covered `>` may get important downwards */
dc_strlower_in_place(beg_tag_name);
saxparser->endtag_cb(saxparser->userdata, beg_tag_name);
*p = bak;
}
}
else
{
/* process <tag attr1="val" attr2='val' attr3=val ..>
**************************************************************/
do_free_attr(attr, free_attr);
char* beg_tag_name = p;
p += strcspn(p, XML_WS "/>"); /* find character after tagname */
if (p != beg_tag_name)
{
char* after_tag_name = p;
/* scan for attributes */
int attr_index = 0;
while (isspace(*p)) { p++; } /* forward to first attribute name beginning */
while (*p && *p!='/' && *p!='>')
{
char *beg_attr_name = p, *beg_attr_value = NULL, *beg_attr_value_new = NULL;
if ('='==*beg_attr_name) {
p++; // otherwise eg. `"val"=` causes a deadlock as the second `=` is no exit condition and is not skipped by strcspn()
continue;
}
p += strcspn(p, XML_WS "=/>"); /* get end of attribute name */
if (p != beg_attr_name)
{
/* attribute found */
char* after_attr_name = p;
p += strspn(p, XML_WS); /* skip whitespace between attribute name and possible `=` */
if (*p=='=')
{
p += strspn(p, XML_WS "="); /* skip spaces and equal signs */
char quote = *p;
if (quote=='"' || quote=='\'')
{
/* quoted attribute value */
p++;
beg_attr_value = p;
while (*p && *p != quote) { p++; }
if (*p) {
*p = '\0'; /* null terminate attribute val */
p++;
}
beg_attr_value_new = xml_decode(beg_attr_value, ' ');
}
else