bool LUAXML::LUAToXMLElement(Exception& ex, lua_State* pState, PacketWriter& writer) {
// -1 => table
lua_pushstring(pState, "__name");
lua_rawget(pState, -2);
const char* name(lua_tostring(pState, -1));
lua_pop(pState, 1);
if (!name) {
ex.set(Exception::APPLICATION, "Impossible to write a XML element without name (__name)");
return false;
}
// write attributes
writer.write("<").write(name).write(" ");
lua_pushnil(pState); // first key
while (lua_next(pState, -2) != 0) {
// uses 'key' (at index -2) and 'value' (at index -1)
if (lua_type(pState, -2) == LUA_TSTRING && strcmp(lua_tostring(pState, -2),"__name")!=0 && lua_isstring(pState, -1))
writer.write(lua_tostring(pState, -2)).write("=\"").write(lua_tostring(pState, -1)).write("\" ");
lua_pop(pState, 1);
}
if (lua_objlen(pState, -1) == 0) {
writer.write("/>");
return true;
}
writer.write(">");
// write elements
lua_pushnil(pState); // first key
while (lua_next(pState, -2) != 0) {
// uses 'key' (at index -2) and 'value' (at index -1)
if (lua_isnumber(pState, -2)) {
if (lua_istable(pState, -1))
LUAToXMLElement(ex, pState, writer); // table child
else if (lua_isstring(pState, -1))
writer.write(lua_tostring(pState, -1), lua_objlen(pState, -1)); // __value
else
ex.set(Exception::APPLICATION, "Impossible to convert the value of type ", lua_typename(pState, lua_type(pState, -1)), "to a correct XML value of ",name);
} else if (lua_type(pState, -2) != LUA_TSTRING)
ex.set(Exception::APPLICATION, "Impossible to convert the key of type ",lua_typename(pState,lua_type(pState,-2)),"to a correct XML element of ",name);
lua_pop(pState, 1);
}
writer.write("</").write(name).write(">");
return true;
}
void dump_to_file(PacketWriter &writer, int packet_count, PDU &packet) {
while(packet_count--) {
writer.write(packet);
}
}
