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psyced/world/net/jabber/parse.c

118 lines
2.7 KiB
C

#include <net.h>
#include <xml.h>
// dummy declarations
open_stream(node) { ; }
volatile string innerxml;
volatile closure nodeHandler;
protected int _xml_start, _xml_end, _xml_offset;
string buffer = "";
XMLNode _node;
volatile XMLNode *_nodestack = ({ });
void xml_onStartTag(string tag, mapping params) {
string t = "/"+ tag;
if (!_node && tag == "stream:stream") {
_node = new_XMLNode;
_node[Tag] = tag;
foreach(string key, string val : params)
_node["@" + key] = val;
open_stream(_node);
_node = 0;
buffer = buffer[expat_position() + expat_eventlen()..];
return;
}
if (_node) {
_nodestack += ({ _node });
if (!_node[t]) {
/* no child with that name */
_node[t] = new_XMLNode;
_node = _node[t];
} else {
if (!nodelistp(_node[t])) {
/* just a single node with that name, convert it
*/
_node[t] = ({ _node[t] });
}
_node[t] += ({ new_XMLNode });
_node = _node[t][<1];
}
} else {
_node = new_XMLNode;
_nodestack = ({ });
_xml_start = expat_position() + expat_eventlen();
_xml_offset = expat_position();
}
_node[Tag] = tag;
foreach(string key, string val : params)
_node["@" + key] = val;
}
void xml_onEndTag(string tag) {
if (!_node && tag == "stream:stream") {
// is there anything to be done here? like sending a closing
// ack? we did not do it before but... lynX wrote that stream
// closing handshake xep so he probably implemented it, too...
return;
}
if (sizeof(_nodestack) > 0) {
_node = _nodestack[<1];
_nodestack = _nodestack[..<2];
} else {
_xml_end = expat_position();
innerxml = buffer[_xml_start-_xml_offset..(_xml_end-_xml_offset-1)];
P2(("innerxml %O\n", innerxml))
funcall(nodeHandler, _node);
_node = 0;
buffer = "";
innerxml = 0;
}
}
void xml_onText(string data) {
if (!_node)
return; // whitespace usually
if (_node[Cdata])
_node[Cdata] += data;
else
_node[Cdata] = data;
}
feed(a) {
int d;
if (!_node && a == "\n") {
/* whitespace ping */
} else {
buffer += a;
d = expat_parse(a);
if (!d) {
mixed e = expat_last_error();
PT(("parse error while parsing %O:\n%O\n", a, e))
}
// TODO: error handling muss hier her
}
/*
#if __EFUN_DEFINED__(convert_charset) && SYSTEM_CHARSET != "UTF-8"
if (catch(a = convert_charset(buffer[0..pos - 1],
"UTF-8", SYSTEM_CHARSET); nolog)) {
P1(("catch! iconv %O in %O\n", a, ME))
//QUIT
a = buffer; // let's give it a try
}
xmlparse(a);
#else
xmlparse(buffer[0..pos - 1]);
#endif
*/
#ifdef INPUT_NO_TELNET
input_to(#'feed, INPUT_IGNORE_BANG | INPUT_CHARMODE | INPUT_NO_TELNET);
#else
input_to(#'feed, INPUT_IGNORE_BANG | INPUT_CHARMODE);
#endif
}