blob: 42f712dd93a6fdca2e09be84d4e6d2931f7e2213 (
plain)
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
|
#include "pdftool.h"
char *basename = nil;
pdf_xref *xref = nil;
int pagecount = 0;
static void (*cleanup)(void) = nil;
void closexref(void);
void die(fz_error error)
{
fz_catch(error, "aborting");
if (cleanup)
cleanup();
closexref();
exit(1);
}
void setcleanup(void (*func)(void))
{
cleanup = func;
}
void openxref(char *filename, char *password, int dieonbadpass)
{
fz_stream *file;
int okay;
int fd;
basename = strrchr(filename, '/');
if (!basename)
basename = filename;
else
basename++;
fd = open(filename, O_BINARY | O_RDONLY, 0666);
if (fd < 0)
die(fz_throw("cannot open file '%s'", filename));
file = fz_openfile(fd);
xref = pdf_openxref(file);
if (!xref)
die(fz_throw("cannot open PDF file '%s'", basename));
fz_dropstream(file);
if (pdf_needspassword(xref))
{
okay = pdf_authenticatepassword(xref, password);
if (!okay && !dieonbadpass)
fz_warn("invalid password, attempting to continue.");
else if (!okay && dieonbadpass)
die(fz_throw("invalid password"));
}
pagecount = pdf_getpagecount(xref);
}
void flushxref(void)
{
if (xref)
{
pdf_flushxref(xref, 0);
}
}
void closexref(void)
{
if (cleanup)
cleanup();
if (xref)
{
pdf_closexref(xref);
xref = nil;
}
basename = nil;
}
|
