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some thoughts about exceptions

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This commit is contained in:
Blue 2022-09-09 20:15:40 +03:00
parent c3139974f1
commit c491793387
Signed by untrusted user: blue
GPG key ID: 9B203B252A63EE38
9 changed files with 276 additions and 59 deletions
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60
exceptions.h
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@ -24,82 +24,64 @@ namespace Core {
class DataBase::Directory: public Utils::Exception {
public:
Directory(const std::string& p_path):Exception(), path(p_path){}
Directory(const std::string& path);
std::string getMessage() const{return "Can't create directory for database at " + path;}
std::string getMessage() const;
private:
std::string path;
};
class DataBase::Closed : public Utils::Exception {
public:
Closed(const std::string& op, const std::string& acc):Exception(), operation(op), account(acc){}
Closed(const std::string& p_operation, const std::string& dbName, const std::string& tableName);
std::string getMessage() const{return "An attempt to perform operation " + operation + " on closed archive for " + account;}
std::string getMessage() const;
private:
std::string operation;
std::string account;
std::string dbName;
std::string tableName;
};
class DataBase::Opened : public Utils::Exception {
public:
Opened(const std::string& tn):Exception(), tableName(tn){}
Opened(const std::string& dbName, const std::string& tableName);
std::string getMessage() const{return "An attempt to add table " + tableName + " but it's impossible to do if the DataBase is already opened";}
std::string getMessage() const;
private:
std::string dbName;
std::string tableName;
};
class DataBase::NotFound : public Utils::Exception {
public:
NotFound(const std::string& k, const std::string& acc):Exception(), key(k), account(acc){}
NotFound(const std::string& key, const std::string& dbName, const std::string& tableName);
std::string getMessage() const{return "Element for id " + key + " wasn't found in database " + account;}
std::string getMessage() const;
private:
std::string key;
std::string account;
};
class DataBase::Empty : public Utils::Exception {
public:
Empty(const std::string& acc):Exception(), account(acc){}
std::string getMessage() const{return "An attempt to read ordered elements from database " + account + " but it's empty";}
private:
std::string account;
std::string dbName;
std::string tableName;
};
class DataBase::Exist : public Utils::Exception {
public:
Exist(const std::string& acc, const std::string& p_key):Exception(), account(acc), key(p_key){}
Exist(const std::string& key, const std::string& dbName, const std::string& tableName);
std::string getMessage() const{return "An attempt to insert element " + key + " to database " + account + " but it already has an element with given id";}
std::string getMessage() const;
private:
std::string account;
std::string key;
};
class DataBase::NoAvatar : public Utils::Exception {
public:
NoAvatar(const std::string& el, const std::string& res):Exception(), element(el), resource(res){
if (resource.size() == 0) {
resource = "for himself";
}
}
std::string getMessage() const{return "Element " + element + " has no avatar for " + resource ;}
private:
std::string element;
std::string resource;
std::string dbName;
std::string tableName;
};
class DataBase::Unknown : public Utils::Exception {
public:
Unknown(const std::string& acc, const std::string& message):Exception(), account(acc), msg(message){}
Unknown(const std::string& dbName, const std::string& message, const std::optional<std::string>& tableName = std::nullopt);
std::string getMessage() const{return "Unknown error on database " + account + ": " + msg;}
std::string getMessage() const;
private:
std::string account;
std::string dbName;
std::optional<std::string> tableName;
std::string msg;
};
}