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
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
|
/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: biffhelper.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2008-01-17 08:06:08 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#include "oox/xls/biffhelper.hxx"
#include <algorithm>
#include <rtl/math.hxx>
#include "oox/xls/biffinputstream.hxx"
#include "oox/xls/biffoutputstream.hxx"
#include "oox/xls/worksheethelper.hxx"
using ::rtl::OUString;
using ::rtl::OUStringBuffer;
namespace oox {
namespace xls {
// GUID =======================================================================
BiffGuid::BiffGuid()
{
::std::fill_n( mpnData, sizeof( mpnData ), 0 );
}
BiffGuid::BiffGuid(
sal_uInt32 nData1, sal_uInt16 nData2, sal_uInt16 nData3,
sal_uInt8 nData41, sal_uInt8 nData42, sal_uInt8 nData43, sal_uInt8 nData44,
sal_uInt8 nData45, sal_uInt8 nData46, sal_uInt8 nData47, sal_uInt8 nData48 )
{
// convert to little endian -> makes streaming easy
ByteOrderConverter::writeLittleEndian( mpnData, nData1 );
ByteOrderConverter::writeLittleEndian( mpnData + 4, nData2 );
ByteOrderConverter::writeLittleEndian( mpnData + 6, nData3 );
mpnData[ 8 ] = nData41;
mpnData[ 9 ] = nData42;
mpnData[ 10 ] = nData43;
mpnData[ 11 ] = nData44;
mpnData[ 12 ] = nData45;
mpnData[ 13 ] = nData46;
mpnData[ 14 ] = nData47;
mpnData[ 15 ] = nData48;
}
bool operator==( const BiffGuid& rGuid1, const BiffGuid& rGuid2 )
{
return ::std::equal( rGuid1.mpnData, STATIC_ARRAY_END( rGuid1.mpnData ), rGuid2.mpnData );
}
bool operator<( const BiffGuid& rGuid1, const BiffGuid& rGuid2 )
{
return ::std::lexicographical_compare(
rGuid1.mpnData, STATIC_ARRAY_END( rGuid1.mpnData ),
rGuid2.mpnData, STATIC_ARRAY_END( rGuid2.mpnData ) );
}
BiffInputStream& operator>>( BiffInputStream& rStrm, BiffGuid& rGuid )
{
rStrm.read( rGuid.mpnData, 16 ); // mpnData always in little endian
return rStrm;
}
BiffOutputStream& operator<<( BiffOutputStream& rStrm, const BiffGuid& rGuid )
{
rStrm.setPortionSize( 16 );
rStrm.write( rGuid.mpnData, 16 ); // mpnData already in little endian
rStrm.setPortionSize( 0 );
return rStrm;
}
// ============================================================================
namespace {
const sal_Int32 BIFF_RK_100FLAG = 0x00000001;
const sal_Int32 BIFF_RK_INTFLAG = 0x00000002;
const sal_Int32 BIFF_RK_VALUEMASK = 0xFFFFFFFC;
// ----------------------------------------------------------------------------
static const struct CodePageEntry
{
sal_uInt16 mnCodePage;
rtl_TextEncoding meTextEnc;
}
spCodePages[] =
{
{ 437, RTL_TEXTENCODING_IBM_437 }, // OEM US
// { 720, RTL_TEXTENCODING_IBM_720 }, // OEM Arabic
{ 737, RTL_TEXTENCODING_IBM_737 }, // OEM Greek
{ 775, RTL_TEXTENCODING_IBM_775 }, // OEM Baltic
{ 850, RTL_TEXTENCODING_IBM_850 }, // OEM Latin I
{ 852, RTL_TEXTENCODING_IBM_852 }, // OEM Latin II (Central European)
{ 855, RTL_TEXTENCODING_IBM_855 }, // OEM Cyrillic
{ 857, RTL_TEXTENCODING_IBM_857 }, // OEM Turkish
// { 858, RTL_TEXTENCODING_IBM_858 }, // OEM Multilingual Latin I with Euro
{ 860, RTL_TEXTENCODING_IBM_860 }, // OEM Portugese
{ 861, RTL_TEXTENCODING_IBM_861 }, // OEM Icelandic
{ 862, RTL_TEXTENCODING_IBM_862 }, // OEM Hebrew
{ 863, RTL_TEXTENCODING_IBM_863 }, // OEM Canadian (French)
{ 864, RTL_TEXTENCODING_IBM_864 }, // OEM Arabic
{ 865, RTL_TEXTENCODING_IBM_865 }, // OEM Nordic
{ 866, RTL_TEXTENCODING_IBM_866 }, // OEM Cyrillic (Russian)
{ 869, RTL_TEXTENCODING_IBM_869 }, // OEM Greek (Modern)
{ 874, RTL_TEXTENCODING_MS_874 }, // MS Windows Thai
{ 932, RTL_TEXTENCODING_MS_932 }, // MS Windows Japanese Shift-JIS
{ 936, RTL_TEXTENCODING_MS_936 }, // MS Windows Chinese Simplified GBK
{ 949, RTL_TEXTENCODING_MS_949 }, // MS Windows Korean (Wansung)
{ 950, RTL_TEXTENCODING_MS_950 }, // MS Windows Chinese Traditional BIG5
{ 1200, RTL_TEXTENCODING_DONTKNOW }, // Unicode (BIFF8) - return *_DONTKNOW to preserve old code page
{ 1250, RTL_TEXTENCODING_MS_1250 }, // MS Windows Latin II (Central European)
{ 1251, RTL_TEXTENCODING_MS_1251 }, // MS Windows Cyrillic
{ 1252, RTL_TEXTENCODING_MS_1252 }, // MS Windows Latin I (BIFF4-BIFF8)
{ 1253, RTL_TEXTENCODING_MS_1253 }, // MS Windows Greek
{ 1254, RTL_TEXTENCODING_MS_1254 }, // MS Windows Turkish
{ 1255, RTL_TEXTENCODING_MS_1255 }, // MS Windows Hebrew
{ 1256, RTL_TEXTENCODING_MS_1256 }, // MS Windows Arabic
{ 1257, RTL_TEXTENCODING_MS_1257 }, // MS Windows Baltic
{ 1258, RTL_TEXTENCODING_MS_1258 }, // MS Windows Vietnamese
{ 1361, RTL_TEXTENCODING_MS_1361 }, // MS Windows Korean (Johab)
{ 10000, RTL_TEXTENCODING_APPLE_ROMAN }, // Apple Roman
{ 32768, RTL_TEXTENCODING_APPLE_ROMAN }, // Apple Roman
{ 32769, RTL_TEXTENCODING_MS_1252 } // MS Windows Latin I (BIFF2-BIFF3)
};
/** Predicate to search by given code page. */
struct CodePageEntry_CPPred
{
inline explicit CodePageEntry_CPPred( sal_uInt16 nCodePage ) : mnCodePage( nCodePage ) {}
inline bool operator()( const CodePageEntry& rEntry ) const { return rEntry.mnCodePage == mnCodePage; }
sal_uInt16 mnCodePage;
};
/** Predicate to search by given text encoding. */
struct CodePageEntry_TEPred
{
inline explicit CodePageEntry_TEPred( rtl_TextEncoding eTextEnc ) : meTextEnc( eTextEnc ) {}
inline bool operator()( const CodePageEntry& rEntry ) const { return rEntry.meTextEnc == meTextEnc; }
rtl_TextEncoding meTextEnc;
};
} // namespace
// ============================================================================
const BiffGuid BiffHelper::maGuidStdHlink(
0x79EAC9D0, 0xBAF9, 0x11CE, 0x8C, 0x82, 0x00, 0xAA, 0x00, 0x4B, 0xA9, 0x0B );
const BiffGuid BiffHelper::maGuidUrlMoniker(
0x79EAC9E0, 0xBAF9, 0x11CE, 0x8C, 0x82, 0x00, 0xAA, 0x00, 0x4B, 0xA9, 0x0B );
const BiffGuid BiffHelper::maGuidFileMoniker(
0x00000303, 0x0000, 0x0000, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46 );
// conversion -----------------------------------------------------------------
double BiffHelper::calcDoubleFromRk( sal_Int32 nRkValue )
{
double fValue = 0.0;
if( getFlag( nRkValue, BIFF_RK_INTFLAG ) )
{
sal_Int32 nTemp = nRkValue >> 2;
setFlag< sal_Int32 >( nTemp, 0xE0000000, nRkValue < 0 );
fValue = nTemp;
}
else
{
sal_math_Double* pDouble = reinterpret_cast< sal_math_Double* >( &fValue );
pDouble->w32_parts.msw = static_cast< sal_uInt32 >( nRkValue & BIFF_RK_VALUEMASK );
}
if( getFlag( nRkValue, BIFF_RK_100FLAG ) )
fValue /= 100.0;
return fValue;
}
namespace {
bool lclCalcRkFromDouble( sal_Int32& ornRkValue, double fValue )
{
// double
const sal_math_Double* pValue = reinterpret_cast< const sal_math_Double* >( &fValue );
if( (pValue->w32_parts.lsw == 0) && ((pValue->w32_parts.msw & 0x3) == 0) )
{
ornRkValue = static_cast< sal_Int32 >( pValue->w32_parts.msw );
return true;
}
// integer
double fInt = 0.0;
double fFrac = modf( fValue, &fInt );
if( (fFrac == 0.0) && (-536870912.0 <= fInt) && (fInt <= 536870911.0) ) // 2^29
{
ornRkValue = static_cast< sal_Int32 >( fInt );
ornRkValue <<= 2;
ornRkValue |= BIFF_RK_INTFLAG;
return true;
}
return false;
}
} // namespace
bool BiffHelper::calcRkFromDouble( sal_Int32& ornRkValue, double fValue )
{
if( lclCalcRkFromDouble( ornRkValue, fValue ) )
return true;
if( lclCalcRkFromDouble( ornRkValue, fValue * 100 ) )
{
ornRkValue |= BIFF_RK_100FLAG;
return true;
}
return false;
}
double BiffHelper::calcDoubleFromError( sal_uInt8 nErrorCode )
{
sal_uInt16 nApiError = 0x7FFF;
switch( nErrorCode )
{
case BIFF_ERR_NULL: nApiError = 521; break;
case BIFF_ERR_DIV0: nApiError = 532; break;
case BIFF_ERR_VALUE: nApiError = 519; break;
case BIFF_ERR_REF: nApiError = 524; break;
case BIFF_ERR_NAME: nApiError = 525; break;
case BIFF_ERR_NUM: nApiError = 503; break;
case BIFF_ERR_NA: nApiError = 0x7FFF; break;
default: OSL_ENSURE( false, "BiffHelper::calcDoubleFromError - unknown error code" );
}
double fValue;
::rtl::math::setNan( &fValue );
reinterpret_cast< sal_math_Double* >( &fValue )->nan_parts.fraction_lo = nApiError;
return fValue;
}
rtl_TextEncoding BiffHelper::calcTextEncodingFromCodePage( sal_uInt16 nCodePage )
{
const CodePageEntry* pEntry = ::std::find_if( spCodePages, STATIC_ARRAY_END( spCodePages ), CodePageEntry_CPPred( nCodePage ) );
if( pEntry == STATIC_ARRAY_END( spCodePages ) )
{
OSL_ENSURE( false, "UnitConverter::calcTextEncodingFromCodePage - unknown code page" );
return RTL_TEXTENCODING_DONTKNOW;
}
return pEntry->meTextEnc;
}
sal_uInt16 BiffHelper::calcCodePageFromTextEncoding( rtl_TextEncoding eTextEnc )
{
const CodePageEntry* pEntry = ::std::find_if( spCodePages, STATIC_ARRAY_END( spCodePages ), CodePageEntry_TEPred( eTextEnc ) );
if( pEntry == STATIC_ARRAY_END( spCodePages ) )
{
OSL_ENSURE( false, "UnitConverter::calcCodePageFromTextEncoding - unsupported text encoding" );
return 1252;
}
return pEntry->mnCodePage;
}
// ============================================================================
} // namespace xls
} // namespace oox
|
