summaryrefslogtreecommitdiff
path: root/sc/source/filter/lotus/filter.cxx
blob: 3a6e39b7d818f37c68865cd69ae15abbc145119d (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
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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"
//  Das geht:   Versionserkennung WKS, WK1 und WK3
//              ...Rest steht in op.cpp

//------------------------------------------------------------------------

#include <tools/solar.h>
#include <string.h>
#include <map>

#include "filter.hxx"
#include "document.hxx"
#include "compiler.hxx"
#include "scerrors.hxx"

#include "root.hxx"
#include "lotrange.hxx"
#include "optab.h"
#include "scmem.h"
#include "decl.h"
#include "tool.h"

#include "fprogressbar.hxx"

#include "op.h"

// Konstanten ------------------------------------------------------------
const UINT16        nBOF = 0x0000;



// externe Variablen -----------------------------------------------------
extern WKTYP        eTyp;   // Typ der gerade in bearbeitung befindlichen Datei
WKTYP               eTyp;

extern BOOL         bEOF;           // zeigt Ende der Datei
BOOL                bEOF;

extern CharSet      eCharNach;      // Zeichenkonvertierung von->nach
CharSet             eCharNach;

extern CharSet      eCharVon;
CharSet             eCharVon;

extern ScDocument*  pDoc;           // Aufhaenger zum Dokumentzugriff
ScDocument*         pDoc;


extern sal_Char*    pPuffer;        // -> memory.cxx
extern sal_Char*    pDummy1;        // -> memory.cxx

extern OPCODE_FKT   pOpFkt[ FKT_LIMIT ];
                                    // -> optab.cxx, Tabelle moeglicher Opcodes
extern OPCODE_FKT   pOpFkt123[ FKT_LIMIT123 ];
                                    // -> optab.cxx, Table of possible Opcodes

extern long         nDateiLaenge;   // -> datei.cpp, ...der gerade offenen Datei

LOTUS_ROOT*         pLotusRoot = NULL;


std::map<UINT16, ScPatternAttr> aLotusPatternPool;

static FltError
generate_Opcodes( SvStream& aStream, ScDocument& rDoc,
                  ScfStreamProgressBar& aPrgrsBar, WKTYP eType )
{
    OPCODE_FKT *pOps;
    int         nOps;

    switch(eType)
    {
        case eWK_1:
        case eWK_2:
        pOps = pOpFkt;
        nOps = FKT_LIMIT;
        break;
        case eWK123:
        pOps = pOpFkt123;
        nOps = FKT_LIMIT123;
        break;
        case eWK3:      return eERR_NI;
        case eWK_Error: return eERR_FORMAT;
        default:        return eERR_UNKN_WK;
     }

    // #i76299# seems that SvStream::IsEof() does not work correctly
    aStream.Seek( STREAM_SEEK_TO_END );
    sal_Size nStrmSize = aStream.Tell();
    aStream.Seek( STREAM_SEEK_TO_BEGIN );
    while( !bEOF && !aStream.IsEof() && (aStream.Tell() < nStrmSize) )
    {
        UINT16 nOpcode, nLength;

        aStream >> nOpcode >> nLength;
        aPrgrsBar.Progress();
        if( nOpcode == LOTUS_EOF )
        bEOF = TRUE;

        else if( nOpcode == LOTUS_FILEPASSWD )
        return eERR_FILEPASSWD;

        else if( nOpcode < nOps )
        pOps[ nOpcode ] ( aStream, nLength );

        else if( eType == eWK123 &&
             nOpcode == LOTUS_PATTERN )
            {
        // This is really ugly - needs re-factoring ...
        aStream.SeekRel(nLength);
        aStream >> nOpcode >> nLength;
        if ( nOpcode == 0x29a)
        {
            aStream.SeekRel(nLength);
            aStream >> nOpcode >> nLength;
            if ( nOpcode == 0x804 )
            {
            aStream.SeekRel(nLength);
            OP_ApplyPatternArea123(aStream);
            }
            else
            aStream.SeekRel(nLength);
        }
        else
            aStream.SeekRel(nLength);
        }
        else
        aStream.SeekRel( nLength );
    }

    MemDelete();

    rDoc.CalcAfterLoad();

    return eERR_OK;
}

WKTYP ScanVersion( SvStream& aStream )
{
    // PREC:    pWKDatei:   Zeiger auf offene Datei
    // POST:    return:     Typ der Datei
    UINT16          nOpcode, nVersNr, nRecLen;

    // erstes Byte muss wegen BOF zwingend 0 sein!
    aStream >> nOpcode;
    if( nOpcode != nBOF )
        return eWK_UNKNOWN;

    aStream >> nRecLen >> nVersNr;

    if( aStream.IsEof() )
        return eWK_Error;

    switch( nVersNr )
    {
        case 0x0404:
            if( nRecLen == 2 )
                return eWK_1;
            else
                return eWK_UNKNOWN;

        case 0x0406:
            if( nRecLen == 2 )
                return eWK_2;
            else
                return eWK_UNKNOWN;

        case 0x1000:
            aStream >> nVersNr;
            if( aStream.IsEof() ) return eWK_Error;
            if( nVersNr == 0x0004 && nRecLen == 26 )
            {   // 4 Bytes von 26 gelesen->22 ueberlesen
                aStream.Read( pDummy1, 22 );
                return eWK3;
            }
            break;
        case 0x1003:
            if( nRecLen == 0x1a )
                return eWK123;
            else
                return eWK_UNKNOWN;
        case 0x1005:
            if( nRecLen == 0x1a )
                return eWK123;
            else
                return eWK_UNKNOWN;
    }

    return eWK_UNKNOWN;
}

FltError ScImportLotus123old( SvStream& aStream, ScDocument* pDocument, CharSet eSrc )
{
    aStream.Seek( 0UL );

    // Zeiger auf Dokument global machen
    pDoc = pDocument;

    bEOF = FALSE;

    eCharVon = eSrc;

    // Speicher besorgen
    if( !MemNew() )
        return eERR_NOMEM;

    InitPage(); // Seitenformat initialisieren (nur Tab 0!)

        // Progressbar starten
    ScfStreamProgressBar aPrgrsBar( aStream, pDocument->GetDocumentShell() );

    // Datei-Typ ermitteln
    eTyp = ScanVersion( aStream );

    aLotusPatternPool.clear();

    return generate_Opcodes( aStream, *pDoc, aPrgrsBar, eTyp );
}