summaryrefslogtreecommitdiff
path: root/ace/Capabilities.h
blob: d431c3989da56f0b7cfd7443e9421d72f6e4025b (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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
/* -*- C++ -*- */
// $Id$

// ============================================================================
//
// = LIBRARY
//    ace
//
// = FILENAME
//    Capabilities.h
//
// = AUTHOR
//    Arturo Montes <mitosys@colomsat.net.co>
//
// ============================================================================

#ifndef ACE_CAPABILITIES_H
#define ACE_CAPABILITIES_H

#include "ace/OS.h"
#include "ace/Synch.h"
#include "ace/Hash_Map_Manager.h"
#include "ace/Containers.h"
#include "ace/SString.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

class ACE_Export ACE_CapEntry
{
  // = TITLE
  //   This class is the base class for all ACE Capabilities entry
  //   subclasses.
  //
  // = DESCRIPTION
  //   This class is not instantiable and does not provide accessors
  //   or methods.  If you want to add a new kind of attribute you
  //   subclasses of this class and dynamic cast to proper subclass.
public:
   virtual ~ACE_CapEntry (void);

protected:
  enum
  {
    ACE_INTCAP = 0,
    ACE_STRINGCAP = 1,
    ACE_BOOLCAP = 2
  };

  ACE_CapEntry (int captype);

  int captype_;
};

class ACE_Export ACE_IntCapEntry : public ACE_CapEntry
{
  // = TITLE
  //   This class implement the ACE Integer Capability subclass.
  //
  // = DESCRIPTION
  //   This is a container class for ACE Capabilities integer container
  //   values.
public:
  ACE_IntCapEntry (int val);
  int getval (void) const;

protected:
  int val_;
};

class ACE_Export ACE_StringCapEntry : public ACE_CapEntry
{
  // = TITLE
  //   This class implement the ACE String Capability subclass.
  //
  // = DESCRIPTION
  //   This is a container class for ACE Capabilities String container
  //   values.
public:
  ACE_StringCapEntry (const ACE_CString &val);
  ACE_CString getval (void) const;

protected:
  ACE_CString val_;
};

class ACE_Export ACE_BoolCapEntry : public ACE_CapEntry
{
  // = TITLE
  //   This class implement the ACE Bool Capability subclass.
  //
  // = DESCRIPTION
  // This is a container class for ACE Capabilities bool container
  // values.
public:
  ACE_BoolCapEntry (int val);
  int getval (void) const;

protected:
  int val_;
};

class ACE_Export ACE_Capabilities
{
  // = TITLE
  //   This class implement the ACE Capabilities.
  //
  // = DESCRIPTION
  //   This is a container class for ACE Capabilities
  //   values. Currently exist three different capability values:
  //   <ACE_IntCapEntry> (integer), <ACE_BoolCapEntry> (bool) and
  //   <ACE_StringCapEntry> (String).  An <ACE_Capabilities> is a
  //   unordered set of pair = (<String>, <ACE_CapEntry> *).  Where
  //   the first component is the name of capability and the second
  //   component is a pointer to the capability value container.  A
  //   <FILE> is a container for <ACE_Capabilities>, the
  //   <ACE_Capabilities> has a name in the file, as a termcap file.
public:
  ACE_Capabilities (void);
  // The Constructor

  ~ACE_Capabilities(void);
  // The Destructor

public:
  int getval (const char *ent,
              ACE_CString &val);
  // Get a string entry.

  int getval (const char *ent,
              int &val);
  // Get an integer entry.

  int getent (const char *fname,
              const char *name);
  // Get the ACE_Capabilities name from FILE fname and load the
  // associated capabitily entries in map.

protected:
  // Parse an integer property
  const char *parse (const char *buf,
                     int &cap);
  // Parse a string property

  const char *parse (const char *buf,
                     ACE_CString &cap);
  // Fill the ACE_Capabilities with description in ent.

  int fillent(const char *ent);
  // Parse a cap entry

  int parseent (const char *name,
                char *line);
  // Get a line from FILE input stream

  int getline (FILE* fp,
               ACE_CString &line);
  // Is a valid entry

  int is_entry (const char *name,
                const char *line);
  // Reset the set of capabilities

  void resetcaps (void);
  // Atributes.

private:
  ACE_Hash_Map_Manager<ACE_CString, ACE_CapEntry *, ACE_Null_Mutex> caps_;
  // This is the set of ACE_CapEntry.
};

#if defined (__ACE_INLINE__)
#include "ace/Capabilities.i"
#endif /* __ACE_INLINE__ */

#endif /* __ACE_CAPABILITIES_H__ */