ZYM/BH-Bookstore-2023
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fix: fix some small problems in lexer

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ZhuangYumin
2023-12-13 09:02:39 +00:00
parent 2d18a302f2
commit 4c9a951959
1 changed files with 12 additions and 4 deletions
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16
backend/src/lexer.cpp
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@ -277,7 +277,10 @@ bool CommandBuyLexer(const std::string &command, std::string &ISBN,
ISBN = ""; ISBN = "";
quantity = 0; quantity = 0;
ss >> ISBN; ss >> ISBN;
ss >> quantity; long long quantity_tmp = 0;
ss >> quantity_tmp;
if (quantity_tmp > 2147483647) return false;
quantity = quantity_tmp;
return true; return true;
} else } else
return false; return false;
@ -388,7 +391,10 @@ bool CommandImportLexer(const std::string &command, int &quantity,
ss >> token; ss >> token;
quantity = 0; quantity = 0;
total_cost = 0; total_cost = 0;
ss >> quantity; long long quantity_tmp = 0;
ss >> quantity_tmp;
if (quantity_tmp > 2147483647) return false;
quantity = quantity_tmp;
ss >> total_cost; ss >> total_cost;
return true; return true;
} else } else
@ -416,8 +422,10 @@ bool CommandShowfinanceLexer(const std::string &command, int &count) {
std::stringstream ss(command); std::stringstream ss(command);
std::string token; std::string token;
ss >> token; ss >> token;
count = -1; long long count_tmp = -1;
ss >> count; ss >> count_tmp;
if (count_tmp > 2147483647) return false;
count = count_tmp;
return true; return true;
} else } else
return false; return false;