示例#1
0
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);
    }
}