MPQC 3.0.0-alpha
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translate.h
1
2// translate.h -- data translation classes for StateIn and StateOut
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_state_translate_h
29#define _util_state_translate_h
30
31#ifdef HAVE_CONFIG_H
32#include <mpqc_config.h>
33#endif
34
35#if defined(WORDS_BIGENDIAN)
36#define BIGENDIAN 1
37#else
38#define BIGENDIAN 0
39#endif
40
41namespace sc {
42
45class TranslateData {
46 public:
47 TranslateData();
48 virtual ~TranslateData();
49
51 virtual char format_code();
52
55 static TranslateData *vctor(char code);
56
59 virtual void to_native (char *, int n);
62 virtual void to_external(char *, int n);
63 virtual void to_native (short *, int n);
64 virtual void to_external(short *, int n);
65 virtual void to_native (unsigned int *, int n);
66 virtual void to_external(unsigned int *, int n);
67 virtual void to_native (int *, int n);
68 virtual void to_external(int *, int n);
69 virtual void to_native (unsigned long *, int n);
70 virtual void to_external(unsigned long *, int n);
71 virtual void to_native (long *, int n);
72 virtual void to_external(long *, int n);
73 virtual void to_native (float *, int n);
74 virtual void to_external(float *, int n);
75 virtual void to_native (double *, int n);
76 virtual void to_external(double *, int n);
77
80 virtual void to_native (char *target, const void *source, int n);
83 virtual void to_external(void *target, const char *source, int n);
84 virtual void to_native (short *, const void *, int n);
85 virtual void to_external(void *, const short *, int n);
86 virtual void to_native (unsigned int *, const void *, int n);
87 virtual void to_external(void *, const unsigned int *, int n);
88 virtual void to_native (int *, const void *, int n);
89 virtual void to_external(void *, const int *, int n);
90 virtual void to_native (unsigned long *, const void *, int n);
91 virtual void to_external(void *, const unsigned long *, int n);
92 virtual void to_native (long *, const void *, int n);
93 virtual void to_external(void *, const long *, int n);
94 virtual void to_native (float *, const void *, int n);
95 virtual void to_external(void *, const float *, int n);
96 virtual void to_native (double *, const void *, int n);
97 virtual void to_external(void *, const double *, int n);
98};
99
102class TranslateDataByteSwap: public TranslateData {
103 public:
104 TranslateDataByteSwap();
105 virtual ~TranslateDataByteSwap();
106
108 virtual char format_code();
109
111 virtual void to_native (char *, int n);
113 virtual void to_external(char *, int n);
114 virtual void to_native (short *, int n);
115 virtual void to_external(short *, int n);
116 virtual void to_native (unsigned int *, int n);
117 virtual void to_external(unsigned int *, int n);
118 virtual void to_native (int *, int n);
119 virtual void to_external(int *, int n);
120 virtual void to_native (unsigned long *, int n);
121 virtual void to_external(unsigned long *, int n);
122 virtual void to_native (long *, int n);
123 virtual void to_external(long *, int n);
124 virtual void to_native (float *, int n);
125 virtual void to_external(float *, int n);
126 virtual void to_native (double *, int n);
127 virtual void to_external(double *, int n);
128
130 virtual void to_native (char *, const void *, int n);
132 virtual void to_external(void *, const char *, int n);
133 virtual void to_native (short *, const void *, int n);
134 virtual void to_external(void *, const short *, int n);
135 virtual void to_native (unsigned int *, const void *, int n);
136 virtual void to_external(void *, const unsigned int *, int n);
137 virtual void to_native (int *, const void *, int n);
138 virtual void to_external(void *, const int *, int n);
139 virtual void to_native (unsigned long *, const void *, int n);
140 virtual void to_external(void *, const unsigned long *, int n);
141 virtual void to_native (long *, const void *, int n);
142 virtual void to_external(void *, const long *, int n);
143 virtual void to_native (float *, const void *, int n);
144 virtual void to_external(void *, const float *, int n);
145 virtual void to_native (double *, const void *, int n);
146 virtual void to_external(void *, const double *, int n);
147};
148
149#if BIGENDIAN
150typedef TranslateDataByteSwap TranslateDataLittleEndian;
151typedef TranslateData TranslateDataBigEndian;
152#else
153typedef TranslateDataByteSwap TranslateDataBigEndian;
154typedef TranslateData TranslateDataLittleEndian;
155#endif
156
157class StateOut;
158
162class TranslateDataOut {
163 private:
164 StateOut *so_;
165 TranslateData *translate_;
166 // the translation buffer
167 enum { bufsize = 8192 };
168 char buf_[bufsize];
169 protected:
170 int putv(const void*d,int s);
171 public:
174 TranslateDataOut(StateOut*s, TranslateData*t);
175 virtual ~TranslateDataOut();
176
179 virtual int put(const char*,int);
180 virtual int put(const short*,int);
181 virtual int put(const unsigned int*,int);
182 virtual int put(const int*,int);
183 virtual int put(const unsigned long*,int);
184 virtual int put(const long*,int);
185 virtual int put(const float*,int);
186 virtual int put(const double*,int);
187
189 TranslateData *translator() { return translate_; }
190};
191
192class StateIn;
193
197class TranslateDataIn {
198 private:
199 StateIn *si_;
200 TranslateData *translate_;
201 protected:
202 int getv(void*d,int s);
203 public:
206 TranslateDataIn(StateIn*s, TranslateData *t);
207 virtual ~TranslateDataIn();
208
211 virtual int get(char*,int);
212 virtual int get(short*,int);
213 virtual int get(unsigned int*,int);
214 virtual int get(int*,int);
215 virtual int get(unsigned long*,int);
216 virtual int get(long*,int);
217 virtual int get(float*,int);
218 virtual int get(double*,int);
219
221 TranslateData *translator() { return translate_; }
222};
223
224}
225
226#endif
227
228// Local Variables:
229// mode: c++
230// c-file-style: "CLJ"
231// End:
sc::StateIn
Restores fundamental and user-defined types from images created with StateOut.
Definition statein.h:79
sc::StateOut
Serializes fundamental and user-defined types.
Definition stateout.h:71
sc::TranslateDataByteSwap
Data translation to an external representation with bytes swapped.
Definition translate.h:102
sc::TranslateDataByteSwap::to_native
virtual void to_native(char *, const void *, int n)
Overridden translation routines exist for all the basic types.
sc::TranslateDataByteSwap::to_native
virtual void to_native(char *, int n)
Overridden translation routines exist for all the basic types.
sc::TranslateDataByteSwap::to_external
virtual void to_external(char *, int n)
Overridden translation routines exist for all the basic types.
sc::TranslateDataByteSwap::format_code
virtual char format_code()
Returns a code for the type of format for the external data.
sc::TranslateDataByteSwap::to_external
virtual void to_external(void *, const char *, int n)
Overridden translation routines exist for all the basic types.
sc::TranslateDataIn
Convert data from other formats.
Definition translate.h:197
sc::TranslateDataIn::get
virtual int get(char *, int)
Read and translate data.
sc::TranslateDataIn::TranslateDataIn
TranslateDataIn(StateIn *s, TranslateData *t)
Input data will come from s.
sc::TranslateDataIn::translator
TranslateData * translator()
Return the translator.
Definition translate.h:221
sc::TranslateDataOut
Convert data to other formats.
Definition translate.h:162
sc::TranslateDataOut::translator
TranslateData * translator()
Returns the translator.
Definition translate.h:189
sc::TranslateDataOut::put
virtual int put(const char *, int)
Translate and write the data.
sc::TranslateDataOut::TranslateDataOut
TranslateDataOut(StateOut *s, TranslateData *t)
Write to s using the translation defined by t.
sc::TranslateData
Generic data translation.
Definition translate.h:45
sc::TranslateData::format_code
virtual char format_code()
Returns a code for the type of format for the external data.
sc::TranslateData::to_native
virtual void to_native(char *, int n)
Translates to native format in-place.
sc::TranslateData::to_external
virtual void to_external(void *target, const char *source, int n)
Translates to external format.
sc::TranslateData::to_external
virtual void to_external(char *, int n)
Translates to external format in-place.
sc::TranslateData::to_native
virtual void to_native(char *target, const void *source, int n)
Translates to native format.
sc::TranslateData::vctor
static TranslateData * vctor(char code)
A virtual constructor that choses a specialization based on the format code.
sc
Contains all MPQC code up to version 3.
Definition mpqcin.h:14
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