Matching Any Exception

  
#include <fstream>
#include <iostream>
#include <vector>
#include <string>
#include <stdexcept>

using namespace std;

void readIntegerFile(const string& fileName, vector<int>& dest)
{
  ifstream istr;
  int temp;

  istr.open(fileName.c_str());
  if (istr.fail()) {
    throw invalid_argument("");
  }

  while (istr >> temp) {
    dest.push_back(temp);
  }

  if (istr.eof()) {
    istr.close();
  } else {
    istr.close();
    throw runtime_error("");
  }
}

int main(int argc, char** argv)
{
  vector<int> myInts;
  const string fileName = "IntegerFile.txt";

  try {
    readIntegerFile(fileName, myInts);
  } catch (...) {
    cerr << "Error reading or opening file " << fileName << endl;
    exit (1);
  }

  for (size_t i = 0; i < myInts.size(); i++) {
    cout << myInts[i] << " ";
  }
  cout << endl;

  return (0);
}

1.	Rethrowing an Exception
2.	A try/catch can be inside a function other than main().
3.	Uses catch(...) to catch all exceptions
4.	Handle exceptions thrown by new.
5.	Catch exception: int i
6.	Different types of exceptions can be caught.
7.	Restricting function throw types.
8.	An exception can be thrown from outside the try block
9.	Throw and catch an exception inside a function
10.	No Exception Handling
11.	Terminate Handler

Matching Any Exception : Exception « Development « C++

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