Method clearTable

src/ofxLua.cpp:753–782

}

void ofxLua::clearTable() {
	if(!isValid()) {
		return;
	}
	
	if(tables.empty()) {
		ofLogWarning("ofxLua") << "No table to clear, did you push?";
		return;
	}
	if(!lua_istable(L, LUA_STACK_TOP)) {
		ofLogWarning("ofxLua") << "Couldn't clear table, stack var is not a table";
	}
	
	// clears all elements by setting them to nil, this way the original table
	// pointer is preserved
	lua_pushvalue(L, LUA_STACK_TOP); // stack: -1 => table
	lua_pushnil(L); // stack: -1 => table; -2 => nil
	
	while(lua_next(L, -2)) {
		// stack: -3 => table; -2 => key; -1 => value
		lua_pop(L, 1); // stack: -2 => table; -1 => key
		
		lua_pushvalue(L, -1);
		lua_pushnil(L);
		lua_settable(L, -4); // stack: -2 => table; -1 => key
	}
	
	// stack: -1 => table
	lua_pop(L, 1); // stack:
}

void ofxLua::clearTable(const std::string& tableName) {
	if(!pushTable(tableName)) {