src/work/klao/error2_test.cc
author klao
Sat, 19 Feb 2005 21:11:20 +0000
changeset 1157 3996d2098090
permissions -rw-r--r--
lemon/error.h: boost::shared_ptr helyett std::auto_ptr
(Sokkal kenylemetlenebb, es nem teljesen biztos, hogy helyes megoldas)
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#include <iostream>
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#include <memory>
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#include <boost/shared_ptr.hpp>
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using namespace std;
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class Ex : public exception {
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  typedef exception Parent;
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  mutable
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  auto_ptr<string> uz;
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public:
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  // boost::shared_ptr<string> uz;
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  Ex(const Ex &e) : Parent(e), uz(e.uz) {}
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  explicit
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  Ex(const char *msg = 0) {
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    if( msg ) {
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      try {
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	uz.reset(new string);
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	*uz = msg;
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      }
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      catch(...) {
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	uz.reset();
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      }
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    }
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  }
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  virtual
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  const char* what() const throw() {
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    if( uz.get() )
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      return uz->c_str();
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    return "Kivetel";
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  }
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  virtual ~Ex() throw() {}
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};
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static void fn1() {
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  Ex e("alma");
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  throw e;
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}
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static
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void fn2() {
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  throw Ex("korte");
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}
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int main() {
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  try {
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    fn1();
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  }
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  catch(exception const &e) {
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    cerr << "Hiba: " << e.what() << endl;
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  }
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  try {
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    fn2();
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  }
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  catch(exception const &e) {
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    cerr << "Hiba: " << e.what() << endl;
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  }
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}