blob: 21a1513a1e1e7cbcfcca0355949c98ff87168790 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* Copyright (C) 2008-2012 Anope Team <team@anope.org>
*
* Please read COPYING and README for further details.
*/
#ifndef EXTENSIBLE_H
#define EXTENSIBLE_H
#include "anope.h"
#include "hashcomp.h"
class CoreExport ExtensibleItem
{
public:
ExtensibleItem();
virtual ~ExtensibleItem();
virtual void OnDelete();
};
class ExtensibleString : public Anope::string, public ExtensibleItem
{
public:
ExtensibleString(const Anope::string &s) : Anope::string(s), ExtensibleItem() { }
};
class CoreExport Extensible : public Base
{
private:
typedef Anope::map<ExtensibleItem *> extensible_map;
extensible_map extension_items;
public:
/** Default constructor, does nothing
*/
Extensible() { }
/** Default destructor, deletes all of the extensible items in this object
* then clears the map
*/
virtual ~Extensible()
{
for (extensible_map::iterator it = extension_items.begin(), it_end = extension_items.end(); it != it_end; ++it)
if (it->second)
it->second->OnDelete();
extension_items.clear();
}
/** Extend an Extensible class.
*
* @param key The key parameter is an arbitary string which identifies the extension data
* @param p This parameter is a pointer to an ExtensibleItem or ExtensibleItemBase derived class
*
* You must provide a key to store the data as via the parameter 'key'.
* The data will be inserted into the map. If the data already exists, you may not insert it
* twice, Extensible::Extend will return false in this case.
*
* @return Returns true on success, false if otherwise
*/
void Extend(const Anope::string &key, ExtensibleItem *p)
{
this->Shrink(key);
this->extension_items[key] = p;
}
/** Shrink an Extensible class.
*
* @param key The key parameter is an arbitary string which identifies the extension data
*
* You must provide a key name. The given key name will be removed from the classes data. If
* you provide a nonexistent key (case is important) then the function will return false.
* @return Returns true on success.
*/
bool Shrink(const Anope::string &key)
{
extensible_map::iterator it = this->extension_items.find(key);
if (it != this->extension_items.end())
{
if (it->second != NULL)
it->second->OnDelete();
/* map::size_type map::erase( const key_type& key );
* returns the number of elements removed, std::map
* is single-associative so this should only be 0 or 1
*/
return this->extension_items.erase(key) > 0;
}
return false;
}
/** Get an extension item.
*
* @param key The key parameter is an arbitary string which identifies the extension data
* @return The item found
*/
template<typename T> T GetExt(const Anope::string &key)
{
extensible_map::iterator it = this->extension_items.find(key);
if (it != this->extension_items.end())
return debug_cast<T>(it->second);
return NULL;
}
/** Check if an extension item exists.
*
* @param key The key parameter is an arbitary string which identifies the extension data
* @return True if the item was found.
*/
bool HasExt(const Anope::string &key)
{
return this->extension_items.count(key) > 0;
}
/** Get a list of all extension items names.
* @param list A deque of strings to receive the list
* @return This function writes a list of all extension items stored
* in this object by name into the given deque and returns void.
*/
void GetExtList(std::deque<Anope::string> &list)
{
for (extensible_map::iterator it = extension_items.begin(), it_end = extension_items.end(); it != it_end; ++it)
list.push_back(it->first);
}
};
#endif // EXTENSIBLE_H
|
