docs: add describe for engine
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@ -92,6 +92,68 @@ class LogDataBase {
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int TotalFinanceOperationCount() noexcept { return finance_operation_count; } // 查询总交易笔数
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};
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```
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## 引擎
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下辖三个数据库实例,和一个登录计数器,并存储是否为服务器模式以及数据文件存放位置。
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对外提供解析并执行命令的接口,返回值是一个`std::vector<std::string>`,每一个`std::string`对应输出中的一行
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```cpp
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class BookStoreEngineClass {
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std::string config_dir;
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UserDataBase user_data_base;
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BookDataBase book_data_base;
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LogDataBase log_data_base;
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std::unordered_map<std::string, int> login_count;
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bool is_server;
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public:
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BookStoreEngineClass() = delete;
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BookStoreEngineClass(std::string __config_dir, bool __is_server);
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std::vector<std::string> Execute(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteSu(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteLogout(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteRegister(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecutePasswd(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteUserAdd(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteDelete(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteShow(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteBuy(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteSelect(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteMOdify(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteImport(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteShowFinance(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteLog(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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std::vector<std::string> ExecuteReport(
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const std::string &cmd,
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std::stack<std::pair<std::string, int>> &login_stack);
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};
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```
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# 文件存储说明
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默认往当前目录下存放文件,但也可以指定。
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