ZYM/BH-Bookstore-2023
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

upd: ready to lex the command

Browse Source
This commit is contained in:
ZhuangYumin
2023-12-13 04:42:33 +00:00
parent af3d49c3d3
commit 132eeded36
6 changed files with 139 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
backend/src/engine.cpp
View File

@ -2,18 +2,78 @@
#include <stack>
#include <string>
#include <unordered_map>
#include "bs-utility.h"
BookStoreEngineClass::BookStoreEngineClass(std::string __config_dir) {
BookStoreEngineClass::BookStoreEngineClass(std::string __config_dir,
bool __is_server) {
config_dir = __config_dir;
user_data_base.Open(config_dir + "user");
is_server = __is_server;
}
std::vector<std::string> BookStoreEngineClass::Execute(
const std::string &cmd, std::stack<std::string> &login_stack) {
if (cmd == "quit" || cmd == "exit") {
BookStore_ZYM::shut_down = true;
static std::unordered_map<std::string, OperationType> operation_map = {
{"su", OperationType::__Ksu},
{"logout", OperationType::__Klogout},
{"useradd", OperationType::__Kuseradd},
{"register", OperationType::__Kregister},
{"delete", OperationType::__Kdelete},
{"passwd", OperationType::__Kpasswd},
{"select", OperationType::__Kselect},
{"modify", OperationType::__Kmodify},
{"import", OperationType::__Kimport},
{"show", OperationType::__Kshow},
{"buy", OperationType::__Kbuy},
{"report", OperationType::__Kreport},
{"log", OperationType::__Klog}};
std::stringstream ss(cmd);
std::string head = "";
ss >> head;
if (head == "quit" || head == "exit") {
if (!is_server) BookStore_ZYM::shut_down = true;
return std::vector<std::string>();
}
if (operation_map.find(head) == operation_map.end()) {
for (int i = 0; i < cmd.length(); i++)
if (cmd[i] != ' ') return std::vector<std::string>({"Invalid"});
return std::vector<std::string>();
}
switch (operation_map[head]) {
case OperationType::__Ksu: {
}
case OperationType::__Klogout: {
}
case OperationType::__Kuseradd: {
}
case OperationType::__Kregister: {
}
case OperationType::__Kdelete: {
}
case OperationType::__Kpasswd: {
}
case OperationType::__Kselect: {
}
case OperationType::__Kmodify: {
}
case OperationType::__Kimport: {
}
case OperationType::__Kshow: {
ss >> head;
if (head == "finance") goto dst_showfinance;
}
case OperationType::__Kshowfinance: {
dst_showfinance:;
}
case OperationType::__Kbuy: {
}
case OperationType::__Kreport: {
throw FatalError("report Not implemented", 2);
}
case OperationType::__Klog: {
throw FatalError("log Not implemented", 3);
}
}
return std::vector<std::string>({cmd});
}