summaryrefslogtreecommitdiff
path: root/utils/pdfseparate.cc
blob: 2844dc5282a9203eae41fd28532061ebfa8d019d (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
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
//========================================================================
//
// pdfseparate.cc
//
// This file is licensed under the GPLv2 or later
//
// Copyright (C) 2011, 2012 Thomas Freitag <Thomas.Freitag@alfa.de>
// Copyright (C) 2012 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2013 Pino Toscano <pino@kde.org>
// Copyright (C) 2013 Daniel Kahn Gillmor <dkg@fifthhorseman.net>
//
//========================================================================
#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"

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;
  }

  if (firstPage == 0 && lastPage == 0) {
    firstPage = 1;
    lastPage = doc->getNumPages();
  }
  if (lastPage == 0)
    lastPage = doc->getNumPages();
  if (firstPage == 0)
    firstPage = 1;
  if (firstPage != lastPage) {
    bool foundmatch = false;
    if (strstr(destFileName, "%d") != NULL) {
      foundmatch = true;
    } else {
      char pattern[5];
      for (int i = 2; i < 10; i++) {
        sprintf(pattern, "%%0%dd", i);
        if (strstr(destFileName, pattern) != NULL) {
          foundmatch = true;
          break;
        }
      }
    }
    if (!foundmatch) {
      error(errSyntaxError, -1, "'{0:s}' must contain '%%d' if more than one page should be extracted", destFileName);
      return false;
    }
  }
  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;
}