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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 : // Discover WKS, WK1 und WK3; s.a op.cpp
21 :
22 : #include <string.h>
23 : #include <map>
24 :
25 : #include "filter.hxx"
26 : #include "document.hxx"
27 : #include "compiler.hxx"
28 : #include "scerrors.hxx"
29 :
30 : #include "root.hxx"
31 : #include "lotrange.hxx"
32 : #include "optab.h"
33 : #include "scmem.h"
34 : #include "decl.h"
35 : #include "tool.h"
36 : #include "fprogressbar.hxx"
37 : #include "lotfilter.hxx"
38 :
39 : static FltError
40 4 : generate_Opcodes(LotusContext &rContext, SvStream& aStream,
41 : ScfStreamProgressBar& aPrgrsBar)
42 : {
43 : OPCODE_FKT *pOps;
44 : int nOps;
45 :
46 4 : switch (rContext.eTyp)
47 : {
48 : case eWK_1:
49 : case eWK_2:
50 1 : pOps = rContext.pOpFkt;
51 1 : nOps = FKT_LIMIT;
52 1 : break;
53 : case eWK123:
54 2 : pOps = rContext.pOpFkt123;
55 2 : nOps = FKT_LIMIT123;
56 2 : break;
57 0 : case eWK3: return eERR_NI;
58 0 : case eWK_Error: return eERR_FORMAT;
59 1 : default: return eERR_UNKN_WK;
60 : }
61 :
62 : // #i76299# seems that SvStream::IsEof() does not work correctly
63 3 : aStream.Seek( STREAM_SEEK_TO_END );
64 3 : sal_Size nStrmSize = aStream.Tell();
65 3 : aStream.Seek( STREAM_SEEK_TO_BEGIN );
66 2652 : while( !rContext.bEOF && !aStream.IsEof() && (aStream.Tell() < nStrmSize) )
67 : {
68 : sal_uInt16 nOpcode, nLength;
69 :
70 2646 : aStream.ReadUInt16( nOpcode ).ReadUInt16( nLength );
71 2646 : aPrgrsBar.Progress();
72 2646 : if( nOpcode == LOTUS_EOF )
73 3 : rContext.bEOF = true;
74 2643 : else if( nOpcode == LOTUS_FILEPASSWD )
75 0 : return eERR_FILEPASSWD;
76 2643 : else if( nOpcode < nOps )
77 364 : pOps[ nOpcode ] (rContext, aStream, nLength);
78 2279 : else if (rContext.eTyp == eWK123 && nOpcode == LOTUS_PATTERN)
79 : {
80 : // This is really ugly - needs re-factoring ...
81 2 : aStream.SeekRel(nLength);
82 2 : aStream.ReadUInt16( nOpcode ).ReadUInt16( nLength );
83 4 : if ( nOpcode == 0x29a)
84 : {
85 1 : aStream.SeekRel(nLength);
86 1 : aStream.ReadUInt16( nOpcode ).ReadUInt16( nLength );
87 1 : if ( nOpcode == 0x804 )
88 : {
89 1 : aStream.SeekRel(nLength);
90 1 : OP_ApplyPatternArea123(rContext, aStream);
91 : }
92 : else
93 0 : aStream.SeekRel(nLength);
94 : }
95 : else
96 1 : aStream.SeekRel(nLength);
97 : }
98 : else
99 2277 : aStream.SeekRel( nLength );
100 : }
101 :
102 3 : MemDelete(rContext);
103 :
104 3 : rContext.pDoc->CalcAfterLoad();
105 :
106 3 : return eERR_OK;
107 : }
108 :
109 4 : WKTYP ScanVersion(LotusContext &rContext, SvStream& aStream)
110 : {
111 : // PREC: pWKDatei: pointer to open file
112 : // POST: return: type of file
113 4 : sal_uInt16 nOpcode(0), nVersNr(0), nRecLen(0);
114 :
115 : // first byte has to be 0 because of BOF!
116 4 : aStream.ReadUInt16( nOpcode );
117 4 : if (nOpcode != rContext.nBOF)
118 1 : return eWK_UNKNOWN;
119 :
120 3 : aStream.ReadUInt16( nRecLen ).ReadUInt16( nVersNr );
121 :
122 3 : if( aStream.IsEof() )
123 0 : return eWK_Error;
124 :
125 3 : switch( nVersNr )
126 : {
127 : case 0x0404:
128 1 : if( nRecLen == 2 )
129 1 : return eWK_1;
130 : else
131 0 : return eWK_UNKNOWN;
132 :
133 : case 0x0406:
134 0 : if( nRecLen == 2 )
135 0 : return eWK_2;
136 : else
137 0 : return eWK_UNKNOWN;
138 :
139 : case 0x1000:
140 0 : aStream.ReadUInt16( nVersNr );
141 0 : if( aStream.IsEof() ) return eWK_Error;
142 0 : if( nVersNr == 0x0004 && nRecLen == 26 )
143 : { // 4 bytes of 26 read => skip 22 (read instead of seek to make IsEof() work just in case)
144 : sal_Char aDummy[22];
145 0 : aStream.Read( aDummy, 22 );
146 0 : return aStream.IsEof() ? eWK_Error : eWK3;
147 : }
148 0 : break;
149 : case 0x1003:
150 1 : if( nRecLen == 0x1a )
151 1 : return eWK123;
152 : else
153 0 : return eWK_UNKNOWN;
154 : case 0x1005:
155 1 : if( nRecLen == 0x1a )
156 1 : return eWK123;
157 : else
158 0 : return eWK_UNKNOWN;
159 : }
160 :
161 0 : return eWK_UNKNOWN;
162 : }
163 :
164 4 : FltError ScImportLotus123old(LotusContext& rContext, SvStream& aStream, ScDocument* pDocument, rtl_TextEncoding eSrc )
165 : {
166 4 : aStream.Seek( 0UL );
167 :
168 : // make document pointer global
169 4 : rContext.pDoc = pDocument;
170 4 : rContext.bEOF = false;
171 4 : rContext.eCharVon = eSrc;
172 :
173 : // allocate memory
174 4 : if( !MemNew(rContext) )
175 0 : return eERR_NOMEM;
176 :
177 : // initialize page format (only Tab 0!)
178 : // initialize page format; meaning: get defaults from SC TODO:
179 : //scGetPageFormat( 0, &aPage );
180 :
181 : // start progressbar
182 4 : ScfStreamProgressBar aPrgrsBar( aStream, pDocument->GetDocumentShell() );
183 :
184 : // detect file type
185 4 : rContext.eTyp = ScanVersion(rContext, aStream);
186 4 : rContext.aLotusPatternPool.clear();
187 :
188 4 : return generate_Opcodes(rContext, aStream, aPrgrsBar);
189 30 : }
190 :
191 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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