xref: /AOO42X/main/sc/source/filter/lotus/filter.cxx (revision b1c5455db1639c48e26c568e4fa7ee78ca5d60ee)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_scfilt.hxx"
26 //  Das geht:   Versionserkennung WKS, WK1 und WK3
27 //              ...Rest steht in op.cpp
28 
29 //------------------------------------------------------------------------
30 
31 #include <tools/solar.h>
32 #include <string.h>
33 #include <map>
34 
35 #include "filter.hxx"
36 #include "document.hxx"
37 #include "compiler.hxx"
38 #include "scerrors.hxx"
39 
40 #include "root.hxx"
41 #include "lotrange.hxx"
42 #include "optab.h"
43 #include "scmem.h"
44 #include "decl.h"
45 #include "tool.h"
46 
47 #include "fprogressbar.hxx"
48 
49 #include "op.h"
50 
51 // Konstanten ------------------------------------------------------------
52 const sal_uInt16        nBOF = 0x0000;
53 
54 
55 
56 // externe Variablen -----------------------------------------------------
57 extern WKTYP        eTyp;   // Typ der gerade in bearbeitung befindlichen Datei
58 WKTYP               eTyp;
59 
60 extern sal_Bool         bEOF;           // zeigt Ende der Datei
61 sal_Bool                bEOF;
62 
63 extern CharSet      eCharVon;
64 CharSet             eCharVon;
65 
66 extern ScDocument*  pDoc;           // Aufhaenger zum Dokumentzugriff
67 ScDocument*         pDoc;
68 
69 
70 extern OPCODE_FKT   pOpFkt[ FKT_LIMIT ];
71                                     // -> optab.cxx, Tabelle moeglicher Opcodes
72 extern OPCODE_FKT   pOpFkt123[ FKT_LIMIT123 ];
73                                     // -> optab.cxx, Table of possible Opcodes
74 
75 LOTUS_ROOT*         pLotusRoot = NULL;
76 
77 
78 std::map<sal_uInt16, ScPatternAttr> aLotusPatternPool;
79 
80 static FltError
generate_Opcodes(SvStream & aStream,ScDocument & rDoc,ScfStreamProgressBar & aPrgrsBar,WKTYP eType)81 generate_Opcodes( SvStream& aStream, ScDocument& rDoc,
82                   ScfStreamProgressBar& aPrgrsBar, WKTYP eType )
83 {
84     OPCODE_FKT *pOps;
85     int         nOps;
86 
87     switch(eType)
88     {
89         case eWK_1:
90         case eWK_2:
91         pOps = pOpFkt;
92         nOps = FKT_LIMIT;
93         break;
94         case eWK123:
95         pOps = pOpFkt123;
96         nOps = FKT_LIMIT123;
97         break;
98         case eWK3:      return eERR_NI;
99         case eWK_Error: return eERR_FORMAT;
100         default:        return eERR_UNKN_WK;
101     }
102 
103     // #i76299# seems that SvStream::IsEof() does not work correctly
104     aStream.Seek( STREAM_SEEK_TO_END );
105     sal_Size nStrmSize = aStream.Tell();
106     aStream.Seek( STREAM_SEEK_TO_BEGIN );
107     while( !bEOF && !aStream.IsEof() && (aStream.Tell() < nStrmSize) )
108     {
109         sal_uInt16 nOpcode, nLength;
110 
111         aStream >> nOpcode >> nLength;
112         aPrgrsBar.Progress();
113         if( nOpcode == LOTUS_EOF )
114         bEOF = sal_True;
115 
116         else if( nOpcode == LOTUS_FILEPASSWD )
117         return eERR_FILEPASSWD;
118 
119         else if( nOpcode < nOps )
120         pOps[ nOpcode ] ( aStream, nLength );
121 
122         else if( eType == eWK123 &&
123              nOpcode == LOTUS_PATTERN )
124             {
125         // This is really ugly - needs re-factoring ...
126         aStream.SeekRel(nLength);
127         aStream >> nOpcode >> nLength;
128         if ( nOpcode == 0x29a)
129         {
130             aStream.SeekRel(nLength);
131             aStream >> nOpcode >> nLength;
132             if ( nOpcode == 0x804 )
133             {
134             aStream.SeekRel(nLength);
135             OP_ApplyPatternArea123(aStream);
136             }
137             else
138             aStream.SeekRel(nLength);
139         }
140         else
141             aStream.SeekRel(nLength);
142         }
143         else
144         aStream.SeekRel( nLength );
145     }
146 
147     MemDelete();
148 
149     rDoc.CalcAfterLoad();
150 
151     return eERR_OK;
152 }
153 
ScanVersion(SvStream & aStream)154 WKTYP ScanVersion( SvStream& aStream )
155 {
156     // PREC:    pWKDatei:   Zeiger auf offene Datei
157     // POST:    return:     Typ der Datei
158     sal_uInt16          nOpcode, nVersNr, nRecLen;
159 
160     // erstes Byte muss wegen BOF zwingend 0 sein!
161     aStream >> nOpcode;
162     if( nOpcode != nBOF )
163         return eWK_UNKNOWN;
164 
165     aStream >> nRecLen >> nVersNr;
166 
167     if( aStream.IsEof() )
168         return eWK_Error;
169 
170     switch( nVersNr )
171     {
172         case 0x0404:
173             if( nRecLen == 2 )
174                 return eWK_1;
175             else
176                 return eWK_UNKNOWN;
177 
178         case 0x0406:
179             if( nRecLen == 2 )
180                 return eWK_2;
181             else
182                 return eWK_UNKNOWN;
183 
184         case 0x1000:
185             aStream >> nVersNr;
186             if( aStream.IsEof() ) return eWK_Error;
187             if( nVersNr == 0x0004 && nRecLen == 26 )
188             {   // 4 bytes of 26 read => skip 22 (read instead of seek to make IsEof() work just in case)
189                 sal_Char aDummy[22];
190                 aStream.Read( aDummy, 22 );
191                 return aStream.IsEof() ? eWK_Error : eWK3;
192             }
193             break;
194         case 0x1003:
195             if( nRecLen == 0x1a )
196                 return eWK123;
197             else
198                 return eWK_UNKNOWN;
199         case 0x1005:
200             if( nRecLen == 0x1a )
201                 return eWK123;
202             else
203                 return eWK_UNKNOWN;
204     }
205 
206     return eWK_UNKNOWN;
207 }
208 
ScImportLotus123old(SvStream & aStream,ScDocument * pDocument,CharSet eSrc)209 FltError ScImportLotus123old( SvStream& aStream, ScDocument* pDocument, CharSet eSrc )
210 {
211     aStream.Seek( 0UL );
212 
213     // Zeiger auf Dokument global machen
214     pDoc = pDocument;
215 
216     bEOF = sal_False;
217 
218     eCharVon = eSrc;
219 
220     // Speicher besorgen
221     if( !MemNew() )
222         return eERR_NOMEM;
223 
224     InitPage(); // Seitenformat initialisieren (nur Tab 0!)
225 
226         // Progressbar starten
227     ScfStreamProgressBar aPrgrsBar( aStream, pDocument->GetDocumentShell() );
228 
229     // Datei-Typ ermitteln
230     eTyp = ScanVersion( aStream );
231 
232     aLotusPatternPool.clear();
233 
234     return generate_Opcodes( aStream, *pDoc, aPrgrsBar, eTyp );
235 }
236