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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <iostream>
#include <fstream>
#include <vespa/fsa/fsa.h>
using namespace fsa;
void usage(const char *name, const char *errormsg = NULL)
{
if(errormsg!=NULL){
fprintf(stderr,"%s: %s\n",name,errormsg);
}
fprintf(stderr,"usage:\n");
fprintf(stderr," %s [OPTIONS] fsa\n",name);
fprintf(stderr,"\n");
fprintf(stderr," Valid options are:\n");
fprintf(stderr," -h display this help\n");
fprintf(stderr," -V display version number\n");
fprintf(stderr,"\n");
}
void version()
{
std::cout << "fsainfo "
<< FSA::VER/1000000 << "." << (FSA::VER/1000)%1000 << "." << FSA::VER%1000;
if(FSA::VER != FSA::libVER()){
std::cout << " (library "
<< FSA::libVER()/1000000 << "." << (FSA::libVER()/1000)%1000 << "." << FSA::libVER()%1000
<< ")";
}
std::cout << std::endl;
}
int main(int argc, char** argv)
{
const char *fsa_file;
int opt;
extern int optind;
while((opt=getopt(argc,argv,"hV")) != -1){
switch(opt){
case 'h':
usage(argv[0]);
return 0;
case 'V':
version();
return 0;
case '?':
usage(argv[0],"unrecognized option");
return 1;
}
}
if(optind!=argc-1){
usage(argv[0],"required parameter fsa is missing");
return 1;
}
fsa_file = argv[optind];
FSA::Header header;
size_t r;
int fd = ::open(fsa_file,O_RDONLY);
if(fd<0){
std::cerr << "Failed to open fsa file (" << fsa_file << ")" << std::endl;
return 1;
}
else{
r=::read(fd,&header,sizeof(header));
::close(fd);
if(r<sizeof(header) || header._magic!=FSA::MAGIC){
std::cout << "Unrecognized file format (" << fsa_file << ")\n";
}
else if(header._version<1000){
std::cout << "Obsolete fsa file (" << fsa_file << ")\n";
}
else {
std::cout << "Information about " << fsa_file << ":\n";
std::cout << " Header size: " << sizeof(header) << " bytes" <<std::endl;
std::cout << " Magic: " << header._magic << std::endl;
std::cout << " Version: " << header._version/1000000 << "."
<< (header._version%1000000)/1000 << "."
<< header._version%1000 << std::endl;
std::cout << " Serial number: " << header._serial << std::endl;
std::cout << " Checksum: " << header._checksum << std::endl;
std::cout << " FSA size: " << header._size << " cells" <<std::endl;
std::cout << " " << header._size*(sizeof(unsigned char)+sizeof(unsigned int))
<< " bytes" <<std::endl;
std::cout << " Start state: " << header._start << std::endl;
std::cout << " Data size: " << header._data_size << " bytes" << std::endl;
std::cout << " Data item type: " << (header._data_type==FSA::DATA_FIXED?
"fixed size":"variable size") << std::endl;
if(header._data_type==FSA::DATA_FIXED)
std::cout << " Fixed item size: " << header._fixed_data_size << std::endl;
std::cout << " Perfect hash: " << (header._has_perfect_hash?
"yes":"no") << std::endl;
if(header._has_perfect_hash)
std::cout << " Perfect hash size: " << header._size*sizeof(unsigned int) << " bytes" << std::endl;
std::cout << " Total size: "
<< (header._size*(sizeof(unsigned char)+
sizeof(unsigned int)*(header._has_perfect_hash?2:1)) +
header._data_size +
sizeof(header))
<< " bytes" << std::endl;
std::cout << " Trying to load FSA ... " << std::flush;
FSA fsa(fsa_file);
std::cout << (fsa.version()==header._version ? "succeeded.":"failed.") << std::endl;
}
}
return 0;
}
|
