1 //========================================================================
2 //
3 // JSInfo.h
4 //
5 // This file is licensed under the GPLv2 or later
6 //
7 // Copyright (C) 2013 Adrian Johnson <ajohnson@redneon.com>
8 // Copyright (C) 2020, 2021 Albert Astals Cid <aacid@kde.org>
9 // Copyright (C) 2018 Klarälvdalens Datakonsult AB, a KDAB Group company, <info@kdab.com>. Work sponsored by the LiMux project of the city of Munich
10 // Copyright (C) 2020 Oliver Sander <oliver.sander@tu-dresden.de>
11 // Copyright (C) 2020 Nelson Benítez León <nbenitezl@gmail.com>
12 //
13 // To see a description of the changes please see the Changelog file that
14 // came with your tarball or type make ChangeLog if you are building from git
15 //
16 //========================================================================
17 
18 #ifndef JS_INFO_H
19 #define JS_INFO_H
20 
21 #include <cstdio>
22 #include "Object.h"
23 #include "PDFDoc.h"
24 #include "poppler_private_export.h"
25 #include "Link.h"
26 #include "UnicodeMap.h"
27 
28 class PDFDoc;
29 
30 class POPPLER_PRIVATE_EXPORT JSInfo
31 {
32 public:
33     // Constructor.
34     explicit JSInfo(PDFDoc *doc, int firstPage = 0);
35 
36     // Destructor.
37     ~JSInfo();
38 
39     // scan for JS in the PDF
40     void scanJS(int nPages);
41 
42     // scan and print JS in the PDF
43     void scanJS(int nPages, FILE *fout, const UnicodeMap *uMap);
44 
45     // scan but exit after finding first JS in the PDF
46     void scanJS(int nPages, bool stopOnFirstJS);
47 
48     // return true if PDF contains JavaScript
49     bool containsJS();
50 
51 private:
52     PDFDoc *doc;
53     int currentPage;
54     bool hasJS;
55     bool print;
56     FILE *file;
57     const UnicodeMap *uniMap;
58     bool onlyFirstJS; /* stop scanning after finding first JS */
59 
60     void scan(int nPages);
61     void scanLinkAction(LinkAction *link, const char *action);
62     void printJS(const GooString *js);
63 };
64 
65 #endif
66