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
|
// util.h
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//
// \file
// FST utility inline definitions.
#ifndef FST_LIB_UTIL_H__
#define FST_LIB_UTIL_H__
#include <iostream>
namespace fst {
//
// UTILITIES FOR TYPE I/O
//
// Read some types from an input stream.
// Generic case.
template <typename T>
inline istream &ReadType(istream &strm, T *t) {
return strm.read(reinterpret_cast<char *>(t), sizeof(T));
}
// String case.
inline istream &ReadType(istream &strm, string *s) {
s->clear();
int32 ns = 0;
strm.read(reinterpret_cast<char *>(&ns), sizeof(ns));
for (int i = 0; i < ns; ++i) {
char c;
strm.read(&c, 1);
*s += c;
}
return strm;
}
// Write some types to an output stream.
// Generic case.
template <typename T>
inline ostream &WriteType(ostream &strm, const T t) {
return strm.write(reinterpret_cast<const char *>(&t), sizeof(T));
}
// String case.
inline ostream &WriteType(ostream &strm, const string s) {
int32 ns = s.size();
strm.write(reinterpret_cast<const char *>(&ns), sizeof(ns));
return strm.write(s.data(), ns);
}
} // namespace fst;
#endif // FST_LIB_UTIL_H__
|
