source: source/ariba/Name.h@ 5757

Last change on this file since 5757 was 2454, checked in by mies, 16 years ago

fixed some bugs

File size: 4.0 KB
Line 
1// [License]
2// The Ariba-Underlay Copyright
3//
4// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
5//
6// Institute of Telematics
7// UniversitÀt Karlsruhe (TH)
8// Zirkel 2, 76128 Karlsruhe
9// Germany
10//
11// Redistribution and use in source and binary forms, with or without
12// modification, are permitted provided that the following conditions are
13// met:
14//
15// 1. Redistributions of source code must retain the above copyright
16// notice, this list of conditions and the following disclaimer.
17// 2. Redistributions in binary form must reproduce the above copyright
18// notice, this list of conditions and the following disclaimer in the
19// documentation and/or other materials provided with the distribution.
20//
21// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
22// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OF TELEMATICS OR
25// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
28// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
29// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
33// The views and conclusions contained in the software and documentation
34// are those of the authors and should not be interpreted as representing
35// official policies, either expressed or implied, of the Institute of
36// Telematics.
37// [License]
38
39#ifndef NAME_H_
40#define NAME_H_
41
42#include <iostream>
43#include <memory.h>
44#include <string>
45
46using std::string;
47
48// forward declaration
49namespace ariba { class Name; }
50
51std::ostream& operator<<( std::ostream&, const ariba::Name& );
52
53#include "Identifiers.h"
54
55namespace ariba {
56
57/**
58 * This class is a wrapper for canonical names.
59 * Currently only human readable names are supported.
60 *
61 * @author Sebastian Mies <mies@tm.uka.de>
62 */
63class Name {
64 friend std::ostream& operator<<( std::ostream&, const ::ariba::Name& );
65public:
66 static const Name UNSPECIFIED;
67
68 /**
69 * Constructs a new, yet unspecified name.
70 */
71 Name();
72
73 /**
74 * Constructs a new name. If no length is specified, a human-readable
75 * name is assumed.
76 *
77 * @param name The name
78 * @param len The optional name length, if binary data is used as name
79 * @param copy A flag, whether the name's memory needs to be copied
80 */
81 Name(const char* name, int len = -1, bool copy = false);
82
83 /**
84 * Constructs a new name out of a human readable string.
85 *
86 * @param name A human readable name
87 */
88 Name(string name);
89
90 /**
91 * The copy constructor.
92 */
93 Name(const Name& name);
94
95 /**
96 * Destroys the name and releases underlying memory if this name is a copy.
97 */
98 virtual ~Name();
99
100 /**
101 * Returns the binary bytes of the name
102 *
103 * @return The binary data
104 */
105 const uint8_t* bytes() const;
106
107 /**
108 * Returns the length of the name in bytes.
109 *
110 * @return The length of the name
111 */
112 const size_t length() const;
113
114 /**
115 * The common assign operator
116 */
117 Name& operator=( const Name& name );
118
119 /**
120 * The common implementation of the "equal" operator.
121 */
122 bool operator==(const Name& name) const;
123
124 /**
125 * The common implementation of the "unequal" operator.
126 */
127 bool operator!=(const Name& name) const;
128
129 /**
130 * Returns true, if the name is yet unspecified
131 */
132 bool isUnspecified() const;
133
134 /**
135 * Returns a random name.
136 */
137 static Name random();
138
139 /**
140 * Returns a human-readable representation of this name
141 */
142 string toString() const;
143
144 // hack: to be changed!
145 NodeID toNodeId() const;
146
147 // hack: to be changed!
148 SpoVNetID toSpoVNetId() const;
149
150private:
151 bool _hreadable;
152 bool _copy;
153 int _length;
154 uint8_t* _bytes;
155
156 void init(const char* name, int len, bool copy, bool hreadable);
157};
158
159} // namespace ariba
160
161#endif /* NAME_H_ */
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