Function load_objs

lib_acl_cpp/samples/diff/main.cpp:41–91

}

static int load_objs(acl::diff_manager& manager, const char* filepath,
	std::vector<acl::diff_object*>& new_objs)
{
	acl::ifstream in;

	// 以只读方式打开数据文件
	if (in.open_read(filepath) == false)
	{
		printf("open %s error %s\r\n", filepath, acl::last_serror());
		return -1;
	}

	// 从比较器中获得内存池对象，以便于下面分配内存
	acl::dbuf_guard& dbuf = manager.get_dbuf();
	int linenum = 0;
	acl::string line;

	int nobjs = 0;

	while (!in.eof())
	{
		line.clear();

		// 从文件中读取一行数据
		if (in.gets(line) == false)
			break;

		linenum++;

		// 分析该行数据，提取 key 和 value 值
		char* key = line.c_str();
		char* val = strrchr(key, '|');

		// 检查数据的有效性
		if (val == NULL	|| val == key || *(val + 1) == 0)
		{
			printf("invalid line: %s in %s, linenum: %d\r\n",
				key, filepath, linenum);
			continue;
		}
		*val++ = 0;

		// 创建 diff 对象，并置入对象集合中
		mail_object* obj = new (dbuf.dbuf_alloc(sizeof(mail_object)))
				mail_object(manager, key, val);
		new_objs.push_back(obj);
		nobjs++;
	}

	return nobjs;
}

static bool check_diff(const char* new_file, const char* old_file,
	const DIFF_RES* res = NULL)