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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "ooxformulaparser.hxx"
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <osl/diagnose.h>
#include <cppuhelper/supportsservice.hxx>
#include "formulaparser.hxx"
namespace oox {
namespace xls {
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::sheet;
using namespace ::com::sun::star::table;
using namespace ::com::sun::star::uno;
using ::rtl::OUString;
class OOXMLFormulaParserImpl : private FormulaFinalizer
{
public:
explicit OOXMLFormulaParserImpl( const Reference< XMultiServiceFactory >& rxModelFactory );
Sequence< FormulaToken > parseFormula( const OUString& rFormula, const CellAddress& rReferencePos );
protected:
virtual const FunctionInfo* resolveBadFuncName( const OUString& rTokenData ) const override;
private:
ApiParserWrapper maApiParser;
};
OOXMLFormulaParserImpl::OOXMLFormulaParserImpl( const Reference< XMultiServiceFactory >& rxModelFactory ) :
FormulaFinalizer( OpCodeProvider( rxModelFactory, FILTER_OOXML, BIFF_UNKNOWN, true ) ),
maApiParser( rxModelFactory, *this )
{
}
Sequence< FormulaToken > OOXMLFormulaParserImpl::parseFormula( const OUString& rFormula, const CellAddress& rReferencePos )
{
return finalizeTokenArray( maApiParser.parseFormula( rFormula, rReferencePos ) );
}
const FunctionInfo* OOXMLFormulaParserImpl::resolveBadFuncName( const OUString& rTokenData ) const
{
/* Try to parse calls to library functions. The format of such a function
call is assumed to be
"'<path-to-office-install>\Library\<libname>'!<funcname>". */
// the string has to start with an apostroph (followed by the library URL)
if( (rTokenData.getLength() >= 6) && (rTokenData[ 0 ] == '\'') )
{
// library URL and function name are separated by an exclamation mark
sal_Int32 nExclamPos = rTokenData.lastIndexOf( '!' );
if( (1 < nExclamPos) && (nExclamPos + 1 < rTokenData.getLength()) && (rTokenData[ nExclamPos - 1 ] == '\'') )
{
// find the last backslash that separates library path and name
sal_Int32 nFileSep = rTokenData.lastIndexOf( '\\', nExclamPos - 2 );
if( nFileSep > 1 )
{
// find preceding backslash that separates the last directory name
sal_Int32 nDirSep = rTokenData.lastIndexOf( '\\', nFileSep - 1 );
// function library is located in a directory called 'library'
if( (nDirSep > 0) && rTokenData.matchIgnoreAsciiCase( "\\LIBRARY\\", nDirSep ) )
{
// try to find a function info for the function name
OUString aFuncName = rTokenData.copy( nExclamPos + 1 ).toAsciiUpperCase();
const FunctionInfo* pFuncInfo = getFuncInfoFromOoxFuncName( aFuncName );
if( pFuncInfo && (pFuncInfo->meFuncLibType != FUNCLIB_UNKNOWN) )
{
// check that the name of the library matches
OUString aLibName = rTokenData.copy( nFileSep + 1, nExclamPos - nFileSep - 2 );
if( pFuncInfo->meFuncLibType == getFuncLibTypeFromLibraryName( aLibName ) )
return pFuncInfo;
}
}
}
}
}
return nullptr;
}
OOXMLFormulaParser::OOXMLFormulaParser()
{
}
OOXMLFormulaParser::~OOXMLFormulaParser()
{
}
// com.sun.star.lang.XServiceInfo interface -----------------------------------
OUString SAL_CALL OOXMLFormulaParser::getImplementationName() throw( RuntimeException, std::exception )
{
return OUString( "com.sun.star.comp.oox.xls.FormulaParser");
}
sal_Bool SAL_CALL OOXMLFormulaParser::supportsService( const OUString& rService ) throw( RuntimeException, std::exception )
{
return cppu::supportsService(this, rService);
}
Sequence< OUString > SAL_CALL OOXMLFormulaParser::getSupportedServiceNames() throw( RuntimeException, std::exception )
{
Sequence< OUString > aServiceNames { "com.sun.star.sheet.FilterFormulaParser" };
return aServiceNames;
}
// com.sun.star.lang.XInitialization interface --------------------------------
void SAL_CALL OOXMLFormulaParser::initialize( const Sequence< Any >& rArgs ) throw( Exception, RuntimeException, std::exception )
{
OSL_ENSURE( rArgs.hasElements(), "OOXMLFormulaParser::initialize - missing arguments" );
if( !rArgs.hasElements() )
throw RuntimeException();
mxComponent.set( rArgs[ 0 ], UNO_QUERY_THROW );
}
// com.sun.star.sheet.XFilterFormulaParser interface --------------------------
OUString SAL_CALL OOXMLFormulaParser::getSupportedNamespace() throw( RuntimeException, std::exception )
{
return OUString( "http://schemas.microsoft.com/office/excel/formula");
}
// com.sun.star.sheet.XFormulaParser interface --------------------------------
Sequence< FormulaToken > SAL_CALL OOXMLFormulaParser::parseFormula(
const OUString& rFormula, const CellAddress& rReferencePos ) throw( RuntimeException, std::exception )
{
if( !mxParserImpl )
{
Reference< XMultiServiceFactory > xModelFactory( mxComponent, UNO_QUERY_THROW );
mxParserImpl.reset( new OOXMLFormulaParserImpl( xModelFactory ) );
}
return mxParserImpl->parseFormula( rFormula, rReferencePos );
}
OUString SAL_CALL OOXMLFormulaParser::printFormula(
const Sequence< FormulaToken >& /*rTokens*/, const CellAddress& /*rReferencePos*/ ) throw( RuntimeException, std::exception )
{
// not implemented
throw RuntimeException();
}
} // namespace xls
} // namespace oox
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* SAL_CALL
com_sun_star_comp_oox_xls_FormulaParser_get_implementation(css::uno::XComponentContext*,
css::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(new oox::xls::OOXMLFormulaParser());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
