inline bool xml_element::parse_head(string data) {
data.qreplace("\t", " ");
data.qreplace("\r", " ");
data.qreplace("\n", " ");
while(qstrpos(data, " ")) data.qreplace(" ", " ");
data.qreplace(" =", "=");
data.qreplace("= ", "=");
data.rtrim();
lstring part;
part.qsplit(" ", data);
name = part[0];
if(name == "") throw "...";
for(unsigned i = 1; i < part.size(); i++) {
lstring side;
side.qsplit("=", part[i]);
if(side.size() != 2) throw "...";
xml_attribute attr;
attr.name = side[0];
attr.content = side[1];
if(strbegin(attr.content, "\"") && strend(attr.content, "\"")) attr.content.trim_once("\"");
else if(strbegin(attr.content, "'") && strend(attr.content, "'")) attr.content.trim_once("'");
else throw "...";
attribute.append(attr);
}
return true;
}
inline bool xml_element::parse_body(const char *&data) {
while(true) {
if(!*data) return false;
if(*data++ != '<') continue;
if(*data == '/') return false;
if(strbegin(data, "!DOCTYPE") == true) {
parse_doctype(data);
return true;
}
if(strbegin(data, "!--")) {
if(optional<unsigned> offset = strpos(data, "-->")) {
data += offset() + 3;
continue;
} else {
throw "...";
}
}
if(strbegin(data, "![CDATA[")) {
if(optional<unsigned> offset = strpos(data, "]]>")) {
data += offset() + 3;
continue;
} else {
throw "...";
}
}
optional<unsigned> offset = strpos(data, ">");
if(!offset) throw "...";
string tag = substr(data, 0, offset());
data += offset() + 1;
const char *content_begin = data;
bool self_terminating = false;
if(strend(tag, "?") == true) {
self_terminating = true;
tag.rtrim_once("?");
} else if(strend(tag, "/") == true) {
self_terminating = true;
tag.rtrim_once("/");
}
parse_head(tag);
if(self_terminating) return true;
while(*data) {
unsigned index = element.size();
xml_element node;
if(node.parse_body(data) == false) {
if(*data == '/') {
signed length = data - content_begin - 1;
if(length > 0) content = substr(content_begin, 0, length);
data++;
optional<unsigned> offset = strpos(data, ">");
if(!offset) throw "...";
tag = substr(data, 0, offset());
data += offset() + 1;
tag.replace("\t", " ");
tag.replace("\r", " ");
tag.replace("\n", " ");
while(strpos(tag, " ")) tag.replace(" ", " ");
tag.rtrim();
if(name != tag) throw "...";
return true;
}
} else {
element.append(node);
}
}
}
}
