43         LottieParser parser(content, dirName);  in run()
60         free((char*)content);  in release()
61         content = nullptr;  in release()
113     auto p = content;  in header()
204         content = (char*)malloc(size + 1);  in open()
205         if (!content) return false;  in open()
206         memcpy((char*)content, data, size);  in open()
207         const_cast<char*>(content)[size] = '\0';  in open()
208     } else content = data;  in open()
232     auto content = (char*)(malloc(sizeof(char) * size + 1));  in open()  local
234     auto ret = fread(content, sizeof(char), size, f);  in open()
239     content[size] = '\0';  in open()
244     this->content = content;  in open()
274     if (!content || size == 0) return false;  in read()