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
|
// 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.
//
// Copyright 2005-2010 Google, Inc.
// Author: allauzen@google.com (Cyril Allauzen)
#ifndef FST_EXTENSIONS_FAR_EQUAL_H_
#define FST_EXTENSIONS_FAR_EQUAL_H_
#include <string>
#include <fst/extensions/far/far.h>
#include <fst/equal.h>
namespace fst {
template <class Arc>
bool FarEqual(const string &filename1,
const string &filename2,
float delta = kDelta,
const string &begin_key = string(),
const string &end_key = string()) {
FarReader<Arc> *reader1 = FarReader<Arc>::Open(filename1);
FarReader<Arc> *reader2 = FarReader<Arc>::Open(filename2);
if (!reader1 || !reader2) {
delete reader1;
delete reader2;
VLOG(1) << "FarEqual: cannot open input Far file(s)";
return false;
}
if (!begin_key.empty()) {
bool find_begin1 = reader1->Find(begin_key);
bool find_begin2 = reader2->Find(begin_key);
if (!find_begin1 || !find_begin2) {
bool ret = !find_begin1 && !find_begin2;
if (!ret) {
VLOG(1) << "FarEqual: key \"" << begin_key << "\" missing from "
<< (find_begin1 ? "second" : "first") << " archive.";
}
delete reader1;
delete reader2;
return ret;
}
}
for(; !reader1->Done() && !reader2->Done();
reader1->Next(), reader2->Next()) {
const string key1 = reader1->GetKey();
const string key2 = reader2->GetKey();
if (!end_key.empty() && end_key < key1 && end_key < key2) {
delete reader1;
delete reader2;
return true;
}
if (key1 != key2) {
VLOG(1) << "FarEqual: mismatched keys \""
<< key1 << "\" <> \"" << key2 << "\".";
delete reader1;
delete reader2;
return false;
}
if (!Equal(reader1->GetFst(), reader2->GetFst(), delta)) {
VLOG(1) << "FarEqual: Fsts for key \"" << key1 << "\" are not equal.";
delete reader1;
delete reader2;
return false;
}
}
if (!reader1->Done() || !reader2->Done()) {
VLOG(1) << "FarEqual: key \""
<< (reader1->Done() ? reader2->GetKey() : reader1->GetKey())
<< "\" missing form " << (reader2->Done() ? "first" : "second")
<< " archive.";
delete reader1;
delete reader2;
return false;
}
delete reader1;
delete reader2;
return true;
}
} // namespace fst
#endif // FST_EXTENSIONS_FAR_EQUAL_H_
|
