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
125
126
127
128
129
|
/*
* Copyright (c) 2020-2022, yzrh <yzrh@noema.org>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include "extern.h"
#include "version.h"
int
main(int argc, char **argv)
{
cnki_t *param = NULL;
if (cnki_create(¶m) != 0) {
fprintf(stderr, "%s: %s\n", argv[0], strerror(errno));
return EXIT_FAILURE;
}
int c;
for (;;) {
static struct option long_options[] = {
{"output", required_argument, 0, 'o'},
{"buffer", required_argument, 0, 'b'},
{"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0}
};
int option_index = 0;
c = getopt_long(argc, argv, "o:b:v",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'o':
if ((param->fp_o = fopen(optarg, "w")) == NULL) {
fprintf(stderr, "%s: %s\n", argv[0],
strerror(errno));
return EXIT_FAILURE;
}
break;
case 'b':
param->size_buf = atoi(optarg);
break;
case 'v':
param->stat += 1;
break;
case '?':
break;
default:
abort();
}
}
if (argc - optind == 1) {
if (param->fp_o == NULL) {
if (param->stat == 0) {
param->fp_o = stdout;
} else {
fprintf(stderr, "%s: --verbose ", argv[0]);
fprintf(stderr, "must not be set ");
fprintf(stderr, "when using stdout\n");
return EXIT_FAILURE;
}
}
if ((param->fp_i = fopen(argv[optind], "r")) == NULL) {
fprintf(stderr, "%s: %s\n", argv[0],
strerror(errno));
return EXIT_FAILURE;
}
if (param->stat > 0)
printf("Melon " VERSION "." RELEASE "." PATCH EXTRA "\n"
"Copyright (c) 2020-2022, yzrh <yzrh@noema.org>\n\n");
cnki_info(¶m);
if (strncmp(param->file_stat->type, "%PDF", 4) == 0) {
if (cnki_pdf(¶m) != 0) {
fprintf(stderr, "%s: %s\n", argv[0],
strerror(errno));
return EXIT_FAILURE;
}
} else if (strncmp(param->file_stat->type, "CAJ", 3) == 0) {
if (cnki_caj(¶m) != 0) {
fprintf(stderr, "%s: %s\n", argv[0],
strerror(errno));
return EXIT_FAILURE;
}
} else if (strncmp(param->file_stat->type, "HN", 2) == 0 ||
(unsigned char) param->file_stat->type[0] == 0xc8) {
if (cnki_hn(¶m) != 0) {
fprintf(stderr, "%s: %s\n", argv[0],
strerror(errno));
return EXIT_FAILURE;
}
} else if (strncmp(param->file_stat->type, "KDH ", 4) == 0) {
if (cnki_kdh(¶m) != 0) {
fprintf(stderr, "%s: %s\n", argv[0],
strerror(errno));
return EXIT_FAILURE;
}
} else {
fprintf(stderr, "%s: %s\n", argv[0],
"Invalid file");
return EXIT_FAILURE;
}
fclose(param->fp_i);
fclose(param->fp_o);
} else {
fprintf(stderr, "Usage: %s ", argv[0]);
fprintf(stderr, "[--output --buffer --verbose] file\n");
return EXIT_FAILURE;
}
cnki_destroy(¶m);
}
|
