MPQC 2.3.1
keyvalval.h
1//
2// keyval.h
3//
4// Copyright (C) 1997 Limit Point Systems, Inc.
5//
6// Author: Curtis Janssen <cljanss@limitpt.com>
7// Maintainer: LPS
8//
9// This file is part of the SC Toolkit.
10//
11// The SC Toolkit is free software; you can redistribute it and/or modify
12// it under the terms of the GNU Library General Public License as published by
13// the Free Software Foundation; either version 2, or (at your option)
14// any later version.
15//
16// The SC Toolkit is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU Library General Public License for more details.
20//
21// You should have received a copy of the GNU Library General Public License
22// along with the SC Toolkit; see the file COPYING.LIB. If not, write to
23// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24//
25// The U.S. Government is granted a limited license as per AL 91-7.
26//
27
28#ifndef _util_keyval_keyvalval_h
29#define _util_keyval_keyvalval_h
30#ifdef __GNUG__
31#pragma interface
32#endif
33
34#include <string>
35
36#include <util/class/class.h>
37
38namespace sc {
39
40class KeyValValue: public RefCount {
41 public:
42 enum KeyValValueError { OK, WrongType };
43 public:
44 KeyValValue() {}
46 virtual ~KeyValValue();
47 // return 1 for success 0, if the datum is of the wrong type
48 virtual KeyValValue::KeyValValueError doublevalue(double&) const;
49 virtual KeyValValue::KeyValValueError booleanvalue(int&) const;
50 virtual KeyValValue::KeyValValueError floatvalue(float&) const;
51 virtual KeyValValue::KeyValValueError charvalue(char&) const;
52 virtual KeyValValue::KeyValValueError intvalue(int&) const;
53 virtual KeyValValue::KeyValValueError sizevalue(size_t&) const;
54 virtual KeyValValue::KeyValValueError pcharvalue(const char*&) const;
55 virtual KeyValValue::KeyValValueError stringvalue(std::string&) const;
56 virtual KeyValValue::KeyValValueError describedclassvalue(Ref<DescribedClass>&) const;
57 virtual void print(std::ostream &o=ExEnv::out0()) const;
58};
59std::ostream& operator<<(std::ostream&,const KeyValValue&);
60
61
62
64 private:
65 double _val;
66 public:
67 KeyValValuedouble(): _val(0.0) {}
68 KeyValValuedouble(double v): _val(v) {}
71 KeyValValue::KeyValValueError doublevalue(double&) const;
72 void print(std::ostream &o=ExEnv::out0()) const;
73};
74
76 private:
77 int _val;
78 public:
79 KeyValValueboolean(): _val(0) {}
80 KeyValValueboolean(int v): _val(v) {}
83 KeyValValue::KeyValValueError booleanvalue(int&) const;
84 void print(std::ostream &o=ExEnv::out0()) const;
85};
86
88 private:
89 float _val;
90 public:
91 KeyValValuefloat(): _val(0.0) {}
92 KeyValValuefloat(float v): _val(v) {}
95 KeyValValue::KeyValValueError floatvalue(float&) const;
96 void print(std::ostream &o=ExEnv::out0()) const;
97};
98
100 private:
101 char _val;
102 public:
103 KeyValValuechar(): _val(0) {}
104 KeyValValuechar(char v): _val(v) {}
107 KeyValValue::KeyValValueError charvalue(char&) const;
108 void print(std::ostream &o=ExEnv::out0()) const;
109};
110
112 private:
113 int _val;
114 public:
115 KeyValValueint(): _val(0) {}
116 KeyValValueint(int v): _val(v) {}
119 KeyValValue::KeyValValueError intvalue(int&) const;
120 void print(std::ostream &o=ExEnv::out0()) const;
121};
122
124 private:
125 size_t _val;
126 public:
127 KeyValValuesize(): _val(0) {}
128 KeyValValuesize(int v): _val(v) {}
131 KeyValValue::KeyValValueError sizevalue(size_t&) const;
132 void print(std::ostream &o=ExEnv::out0()) const;
133};
134
136 private:
137 char* _val;
138 public:
139 KeyValValuepchar(): _val(0) {}
140 KeyValValuepchar(const char*);
143 KeyValValue::KeyValValueError pcharvalue(const char*&) const;
144 KeyValValue::KeyValValueError stringvalue(std::string&) const;
145 void print(std::ostream &o=ExEnv::out0()) const;
146};
147
149 private:
150 std::string _val;
151 public:
153 KeyValValuestring(const std::string&);
156 KeyValValue::KeyValValueError pcharvalue(const char*&) const;
157 KeyValValue::KeyValValueError stringvalue(std::string&) const;
158 void print(std::ostream &o=ExEnv::out0()) const;
159};
160
162 private:
164 public:
169 KeyValValue::KeyValValueError describedclassvalue(Ref<DescribedClass>&) const;
170 void print(std::ostream &o=ExEnv::out0()) const;
171};
172
174 private:
175 const char* _val;
176 char *_val_to_delete;
177 public:
178 // Copy = copy the string data
179 // Steal = use the passed pointer and delete it in DTOR
180 // Use = use the passed pointer but do not delete it
181 enum Storage { Copy, Steal, Use };
182
183 KeyValValueString(const char*,
184 KeyValValueString::Storage s = KeyValValueString::Use);
185 KeyValValueString(char*,
186 KeyValValueString::Storage s = KeyValValueString::Use);
189 KeyValValue::KeyValValueError doublevalue(double&) const;
190 KeyValValue::KeyValValueError booleanvalue(int&) const;
191 KeyValValue::KeyValValueError floatvalue(float&) const;
192 KeyValValue::KeyValValueError charvalue(char&) const;
193 KeyValValue::KeyValValueError intvalue(int&) const;
194 KeyValValue::KeyValValueError sizevalue(size_t&) const;
195 KeyValValue::KeyValValueError pcharvalue(const char*&) const;
196 KeyValValue::KeyValValueError stringvalue(std::string&) const;
197 void print(std::ostream &o=ExEnv::out0()) const;
198};
199
200}
201
202#endif /* _KeyVal_h */
203
204// Local Variables:
205// mode: c++
206// c-file-style: "CLJ"
207// End:
static std::ostream & out0()
Return an ostream that writes from node 0.
Definition: keyvalval.h:161
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Definition: keyvalval.h:111
Definition: keyvalval.h:135
Definition: keyvalval.h:123
Definition: keyvalval.h:148
The base class for all reference counted objects.
Definition: ref.h:194
A template class that maintains references counts.
Definition: ref.h:332

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