Last change
on this file since 1183:8f623d1833a7 was
1157:3996d2098090,
checked in by Mihaly Barasz, 20 years ago
|
lemon/error.h: boost::shared_ptr helyett std::auto_ptr
(Sokkal kenylemetlenebb, es nem teljesen biztos, hogy helyes megoldas)
|
File size:
896 bytes
|
Line | |
---|
1 | #include <iostream> |
---|
2 | #include <memory> |
---|
3 | |
---|
4 | #include <boost/shared_ptr.hpp> |
---|
5 | |
---|
6 | using namespace std; |
---|
7 | |
---|
8 | class Ex : public exception { |
---|
9 | |
---|
10 | typedef exception Parent; |
---|
11 | |
---|
12 | mutable |
---|
13 | auto_ptr<string> uz; |
---|
14 | public: |
---|
15 | |
---|
16 | // boost::shared_ptr<string> uz; |
---|
17 | |
---|
18 | Ex(const Ex &e) : Parent(e), uz(e.uz) {} |
---|
19 | |
---|
20 | explicit |
---|
21 | Ex(const char *msg = 0) { |
---|
22 | if( msg ) { |
---|
23 | try { |
---|
24 | uz.reset(new string); |
---|
25 | *uz = msg; |
---|
26 | } |
---|
27 | catch(...) { |
---|
28 | uz.reset(); |
---|
29 | } |
---|
30 | } |
---|
31 | } |
---|
32 | |
---|
33 | virtual |
---|
34 | const char* what() const throw() { |
---|
35 | if( uz.get() ) |
---|
36 | return uz->c_str(); |
---|
37 | return "Kivetel"; |
---|
38 | } |
---|
39 | |
---|
40 | virtual ~Ex() throw() {} |
---|
41 | }; |
---|
42 | |
---|
43 | static void fn1() { |
---|
44 | Ex e("alma"); |
---|
45 | throw e; |
---|
46 | } |
---|
47 | |
---|
48 | static |
---|
49 | void fn2() { |
---|
50 | throw Ex("korte"); |
---|
51 | } |
---|
52 | |
---|
53 | int main() { |
---|
54 | try { |
---|
55 | fn1(); |
---|
56 | } |
---|
57 | catch(exception const &e) { |
---|
58 | cerr << "Hiba: " << e.what() << endl; |
---|
59 | } |
---|
60 | |
---|
61 | try { |
---|
62 | fn2(); |
---|
63 | } |
---|
64 | catch(exception const &e) { |
---|
65 | cerr << "Hiba: " << e.what() << endl; |
---|
66 | } |
---|
67 | |
---|
68 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.