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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
//========================================================================
//
// pdfseparate.cc
//
// This file is licensed under the GPLv2 or later
//
// Copyright (C) 2011, 2012 Thomas Freitag <Thomas.Freitag@alfa.de>
// Copyright (C) 2012, 2013 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2013 Pino Toscano <pino@kde.org>
// Copyright (C) 2013 Daniel Kahn Gillmor <dkg@fifthhorseman.net>
// Copyright (C) 2013 Suzuki Toshiya <mpsuzuki@hiroshima-u.ac.jp>
//
//========================================================================
#include "config.h"
#include <poppler-config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include "parseargs.h"
#include "goo/GooString.h"
#include "PDFDoc.h"
#include "ErrorCodes.h"
#include "GlobalParams.h"
#include <ctype.h>
static int firstPage = 0;
static int lastPage = 0;
static GBool printVersion = gFalse;
static GBool printHelp = gFalse;
static const ArgDesc argDesc[] = {
{"-f", argInt, &firstPage, 0,
"first page to extract"},
{"-l", argInt, &lastPage, 0,
"last page to extract"},
{"-v", argFlag, &printVersion, 0,
"print copyright and version info"},
{"-h", argFlag, &printHelp, 0,
"print usage information"},
{"-help", argFlag, &printHelp, 0,
"print usage information"},
{"--help", argFlag, &printHelp, 0,
"print usage information"},
{"-?", argFlag, &printHelp, 0,
"print usage information"},
{NULL}
};
bool extractPages (const char *srcFileName, const char *destFileName) {
char pathName[4096];
GooString *gfileName = new GooString (srcFileName);
PDFDoc *doc = new PDFDoc (gfileName, NULL, NULL, NULL);
if (!doc->isOk()) {
error(errSyntaxError, -1, "Could not extract page(s) from damaged file ('{0:s}')", srcFileName);
return false;
}
// destFileName can have multiple %% and one %d
// We use auxDestFileName to replace all the valid % appearances
// by 'A' (random char that is not %), if at the end of replacing
// any of the valid appearances there is still any % around, the
// pattern is wrong
char *auxDestFileName = strdup(destFileName);
if (firstPage == 0 && lastPage == 0) {
firstPage = 1;
lastPage = doc->getNumPages();
}
if (lastPage == 0)
lastPage = doc->getNumPages();
if (firstPage == 0)
firstPage = 1;
if (lastPage < firstPage) {
error(errCommandLine, -1,
"Wrong page range given: the first page ({0:d}) can not be after the last page ({1:d}).",
firstPage, lastPage);
return false;
}
bool foundmatch = false;
char *p = strstr(auxDestFileName, "%d");
if (p != NULL) {
foundmatch = true;
*p = 'A';
} else {
char pattern[5];
for (int i = 2; i < 10; i++) {
sprintf(pattern, "%%0%dd", i);
p = strstr(auxDestFileName, pattern);
if (p != NULL) {
foundmatch = true;
*p = 'A';
break;
}
}
}
if (!foundmatch && firstPage != lastPage) {
error(errSyntaxError, -1, "'{0:s}' must contain '%%d' if more than one page should be extracted", destFileName);
free(auxDestFileName);
return false;
}
// at this point auxDestFileName can only contain %%
p = strstr(auxDestFileName, "%%");
while (p != NULL) {
*p = 'A';
*(p + 1) = 'A';
p = strstr(p, "%%");
}
// at this point any other % is wrong
p = strstr(auxDestFileName, "%");
if (p != NULL) {
error(errSyntaxError, -1, "'{0:s}' can only contain one '%d' pattern", destFileName);
free(auxDestFileName);
return false;
}
free(auxDestFileName);
for (int pageNo = firstPage; pageNo <= lastPage; pageNo++) {
snprintf (pathName, sizeof (pathName) - 1, destFileName, pageNo);
GooString *gpageName = new GooString (pathName);
int errCode = doc->savePageAs(gpageName, pageNo);
if ( errCode != errNone) {
delete gpageName;
delete gfileName;
return false;
}
delete gpageName;
}
delete gfileName;
return true;
}
int
main (int argc, char *argv[])
{
Object info;
GBool ok;
int exitCode;
exitCode = 99;
// parse args
ok = parseArgs (argDesc, &argc, argv);
if (!ok || argc != 3 || printVersion || printHelp)
{
fprintf (stderr, "pdfseparate version %s\n", PACKAGE_VERSION);
fprintf (stderr, "%s\n", popplerCopyright);
fprintf (stderr, "%s\n", xpdfCopyright);
if (!printVersion)
{
printUsage ("pdfseparate", "<PDF-sourcefile> <PDF-pattern-destfile>",
argDesc);
}
if (printVersion || printHelp)
exitCode = 0;
goto err0;
}
globalParams = new GlobalParams();
ok = extractPages (argv[1], argv[2]);
if (ok) {
exitCode = 0;
}
delete globalParams;
err0:
return exitCode;
}
|
