Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef _PPTATOM_HXX_
21 : #define _PPTATOM_HXX_
22 :
23 : #include <svx/msdffdef.hxx>
24 : #include <filter/msfilter/msdffimp.hxx>
25 :
26 : class SvStream;
27 :
28 : namespace ppt
29 : {
30 :
31 : class Atom
32 : {
33 : public:
34 : ~Atom();
35 :
36 : /** imports this atom and its child atoms */
37 : static Atom* import( const DffRecordHeader& rRootRecordHeader, SvStream& rStCtrl );
38 :
39 : inline const DffRecordHeader& getHeader() const;
40 :
41 : /** @return true if at least one atim with the given nRecType is found */
42 : inline bool hasChildAtom( sal_uInt16 nRecType ) const;
43 :
44 : /** @return the first child atom with nRecType or NULL */
45 : inline const Atom* findFirstChildAtom( sal_uInt16 nRecType ) const;
46 :
47 : /** @return the next child atom after pLast with nRecType or NULL */
48 : const Atom* findNextChildAtom( sal_uInt16 nRecType, const Atom* pLast ) const;
49 :
50 : /** @return the first child atom or NULL */
51 : inline const Atom* findFirstChildAtom() const;
52 :
53 : /** @return the next child atom after pLast or NULL */
54 : inline const Atom* findNextChildAtom( const Atom* pLast ) const;
55 :
56 : /** @return true if this atom is a container */
57 : inline bool isContainer() const;
58 :
59 : /** seeks to the contents of this atom */
60 : inline bool seekToContent() const;
61 :
62 : /** @return the record type */
63 : inline sal_uInt16 getType() const;
64 :
65 : /** @return the record instance */
66 : inline sal_uInt16 getInstance() const;
67 :
68 : /** @return the record length */
69 : inline sal_uInt32 getLength() const;
70 :
71 : private:
72 : Atom( const DffRecordHeader& rRecordHeader, SvStream& rStCtrl );
73 :
74 : SvStream& mrStream;
75 : DffRecordHeader maRecordHeader;
76 : Atom* mpFirstChild;
77 : Atom* mpNextAtom;
78 : };
79 :
80 0 : inline bool Atom::hasChildAtom( sal_uInt16 nRecType ) const
81 : {
82 0 : return findFirstChildAtom( nRecType ) != NULL;
83 : }
84 :
85 0 : inline const Atom* Atom::findFirstChildAtom( sal_uInt16 nRecType ) const
86 : {
87 0 : return findNextChildAtom( nRecType, NULL );
88 : }
89 :
90 : inline const DffRecordHeader& Atom::getHeader() const
91 : {
92 : return maRecordHeader;
93 : }
94 :
95 0 : inline const Atom* Atom::findFirstChildAtom() const
96 : {
97 0 : return mpFirstChild;
98 : }
99 :
100 0 : inline const Atom* Atom::findNextChildAtom( const Atom* pLast ) const
101 : {
102 0 : return pLast ? pLast->mpNextAtom : pLast;
103 : }
104 :
105 0 : inline bool Atom::isContainer() const
106 : {
107 0 : return (bool)maRecordHeader.IsContainer();
108 : }
109 :
110 0 : inline bool Atom::seekToContent() const
111 : {
112 0 : maRecordHeader.SeekToContent( mrStream );
113 0 : return mrStream.GetError() == 0;
114 : }
115 :
116 0 : inline sal_uInt16 Atom::getType() const
117 : {
118 0 : return maRecordHeader.nRecType;
119 : }
120 :
121 0 : inline sal_uInt16 Atom::getInstance() const
122 : {
123 0 : return maRecordHeader.nRecInstance;
124 : }
125 :
126 0 : inline sal_uInt32 Atom::getLength() const
127 : {
128 0 : return maRecordHeader.nRecLen;
129 : }
130 :
131 : } // namespace ppt
132 :
133 : #endif
134 :
135 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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