| 1 |
#ifndef RXVT_UTIL_H |
| 2 |
#define RXVT_UTIL_H |
| 3 |
|
| 4 |
extern class byteorder { |
| 5 |
static unsigned int e; // at least 32 bits |
| 6 |
public: |
| 7 |
byteorder (); |
| 8 |
|
| 9 |
static bool big_endian () { return e == 0x11223344; }; |
| 10 |
static bool network () { return e == 0x11223344; }; |
| 11 |
static bool little_endian () { return e == 0x44332211; }; |
| 12 |
static bool vax () { return e == 0x44332211; }; |
| 13 |
} byteorder; |
| 14 |
|
| 15 |
template<typename T, typename U> static inline T min (T a, U b) { return a < b ? a : b; } |
| 16 |
template<typename T, typename U> static inline T max (T a, U b) { return a > b ? a : b; } |
| 17 |
|
| 18 |
#include "simplevec.h" |
| 19 |
|
| 20 |
template<typename T> |
| 21 |
struct vector : simplevec<T> |
| 22 |
{ }; |
| 23 |
|
| 24 |
#if 0 |
| 25 |
template<typename T> |
| 26 |
struct rxvt_vec : simplevec<void *> { |
| 27 |
typedef T *iterator; |
| 28 |
|
| 29 |
void push_back (T d) { simplevec<void *>::push_back ((void *)d); } |
| 30 |
T pop_back () { return (T*)simplevec<void *>::pop_back (); } |
| 31 |
void erase (int i) { erase (begin () + i); } |
| 32 |
void erase (iterator i) { simplevec<void *>::erase ((void **)i); } |
| 33 |
iterator begin () const { return (iterator)simplevec<void *>::begin (); } |
| 34 |
iterator end () const { return (iterator)simplevec<void *>::end (); } |
| 35 |
T &operator [] (int i) { return * (T *) (& ((* (simplevec<void *> *)this)[i])); } |
| 36 |
const T &operator [] (int i) const { return * (const T *) (& ((* (const simplevec<void *> *)this)[i])); } |
| 37 |
}; |
| 38 |
#endif |
| 39 |
|
| 40 |
template <typename I, typename T> |
| 41 |
I find (I first, I last, const T& value) |
| 42 |
{ |
| 43 |
while (first != last && *first != value) |
| 44 |
++first; |
| 45 |
|
| 46 |
return first; |
| 47 |
} |
| 48 |
|
| 49 |
template<typename T> |
| 50 |
struct auto_ptr { |
| 51 |
T *p; |
| 52 |
|
| 53 |
auto_ptr () : p (0) { } |
| 54 |
auto_ptr (T *a) : p (a) { } |
| 55 |
|
| 56 |
auto_ptr (auto_ptr<T> &a) |
| 57 |
{ |
| 58 |
p = a.p; |
| 59 |
a.p = 0; |
| 60 |
} |
| 61 |
|
| 62 |
template<typename A> |
| 63 |
auto_ptr (auto_ptr<A> &a) |
| 64 |
{ |
| 65 |
p = a.p; |
| 66 |
a.p = 0; |
| 67 |
} |
| 68 |
|
| 69 |
~auto_ptr () |
| 70 |
{ |
| 71 |
delete p; |
| 72 |
} |
| 73 |
|
| 74 |
// void because it makes sense in our context |
| 75 |
void operator = (T *a) |
| 76 |
{ |
| 77 |
delete p; |
| 78 |
p = a; |
| 79 |
} |
| 80 |
|
| 81 |
void operator = (auto_ptr &a) |
| 82 |
{ |
| 83 |
*this = a.p; |
| 84 |
a.p = 0; |
| 85 |
} |
| 86 |
|
| 87 |
template<typename A> |
| 88 |
void operator = (auto_ptr<A> &a) |
| 89 |
{ |
| 90 |
*this = a.p; |
| 91 |
a.p = 0; |
| 92 |
} |
| 93 |
|
| 94 |
operator T * () const { return p; } |
| 95 |
|
| 96 |
T *operator -> () const { return p; } |
| 97 |
T &operator * () const { return *p; } |
| 98 |
|
| 99 |
T *get () |
| 100 |
{ |
| 101 |
T *r = p; |
| 102 |
p = 0; |
| 103 |
return r; |
| 104 |
} |
| 105 |
}; |
| 106 |
|
| 107 |
typedef auto_ptr<char> auto_str; |
| 108 |
|
| 109 |
struct stringvec : simplevec<char *> |
| 110 |
{ |
| 111 |
~stringvec () |
| 112 |
{ |
| 113 |
for (char **c = begin (); c != end (); c++) |
| 114 |
delete [] *c; |
| 115 |
} |
| 116 |
}; |
| 117 |
#endif |
| 118 |
|
