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Wrapper.cpp
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Wrapper.cpp
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#include "library1.h"
#include <exception>
#include "MainDataStructure.h"
StatusType ExceptionToEnum(std::exception &e);
void *Init()
{
MainDataStructure *ds = new MainDataStructure();
return ds;
}
StatusType AddCompany(void *DS, int CompanyID, int Value)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->AddCompany(CompanyID, Value);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType AddEmployee(void *DS, int EmployeeID, int CompanyID, int Salary, int Grade)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->AddEmployee(EmployeeID, CompanyID, Salary, Grade);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType RemoveCompany(void *DS, int CompanyID)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->RemoveCompany(CompanyID);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType RemoveEmployee(void *DS, int EmployeeID)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->RemoveEmployee(EmployeeID);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType GetCompanyInfo(void *DS, int CompanyID, int *Value, int *NumEmployees)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->GetCompanyInfo(CompanyID, Value, NumEmployees);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType GetEmployeeInfo(void *DS, int EmployeeID, int *EmployerID, int *Salary, int *Grade)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->GetEmployeeInfo(EmployeeID, EmployerID, Salary, Grade);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType IncreaseCompanyValue(void *DS, int CompanyID, int ValueIncrease)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->IncreaseCompanyValue(CompanyID, ValueIncrease);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType PromoteEmployee(void *DS, int EmployeeID, int SalaryIncrease, int BumpGrade)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->PromoteEmployee(EmployeeID, SalaryIncrease, BumpGrade);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType HireEmployee(void *DS, int EmployeeID, int NewCompanyID)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->HireEmployee(EmployeeID, NewCompanyID);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType AcquireCompany(void *DS, int AcquirerID, int TargetID, double Factor)
{
if (DS == NULL)
return INVALID_INPUT;
try
{
bool success = ((MainDataStructure *)DS)->AcquireCompany(AcquirerID, TargetID, Factor);
return success ? SUCCESS : FAILURE;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType GetHighestEarner(void *DS, int CompanyID, int *EmployeeID)
{
if (DS == NULL || EmployeeID == NULL)
return INVALID_INPUT;
try
{
*EmployeeID = ((MainDataStructure *)DS)->GetHighestEarner(CompanyID);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType GetAllEmployeesBySalary(void *DS, int CompanyID, int **Employees, int *NumOfEmployees)
{
if (DS == NULL || Employees == NULL || NumOfEmployees == NULL)
return INVALID_INPUT;
try
{
*NumOfEmployees = ((MainDataStructure *)DS)->GetAllEmployeesBySalary(CompanyID, Employees);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType GetHighestEarnerInEachCompany(void *DS, int NumOfCompanies, int **Employees)
{
if (DS == NULL || Employees == NULL)
return INVALID_INPUT;
try
{
((MainDataStructure *)DS)->GetHighestEarnerInEachCompany(NumOfCompanies, Employees);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
StatusType GetNumEmployeesMatching(void *DS, int CompanyID, int MinEmployeeID, int MaxEmployeeId,
int MinSalary, int MinGrade, int *TotalNumOfEmployees, int *NumOfEmployees)
{
if (DS == NULL || TotalNumOfEmployees == NULL || NumOfEmployees == NULL)
return INVALID_INPUT;
try
{
*NumOfEmployees = ((MainDataStructure *)DS)->GetNumEmployeesMatching(CompanyID, MinEmployeeID, MaxEmployeeId, MinSalary, MinGrade, TotalNumOfEmployees);
return SUCCESS;
}
catch (std::exception &e)
{
return ExceptionToEnum(e);
}
}
void Quit(void **DS)
{
MainDataStructure *ds = (MainDataStructure *)*DS;
delete ds;
*DS = nullptr;
}
StatusType ExceptionToEnum(std::exception &ex)
{
if (dynamic_cast<InvalidInputException *>(&ex))
{
return INVALID_INPUT;
}
else if (dynamic_cast<CompanyAlreadyExistsException *>(&ex))
{
return FAILURE;
}
else if (dynamic_cast<CompanyNotFoundException *>(&ex))
{
return FAILURE;
}
else if (dynamic_cast<CompanyHasEmployeesException *>(&ex))
{
return FAILURE;
}
else if (dynamic_cast<EmployeeAlreadyExistsException *>(&ex))
{
return FAILURE;
}
else if (dynamic_cast<EmployeeNotFoundException *>(&ex))
{
return FAILURE;
}
else if (dynamic_cast<std::bad_alloc *>(&ex))
{
return ALLOCATION_ERROR;
}
else
{
return FAILURE;
}
}