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
|
/* This file is part of the KDE project
Copyright (C) 2003 Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <tdeapplication.h>
#include <kdebug.h>
#include <kgenericfactory.h>
#include <tdeglobal.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <KoFilterChain.h>
#include <tqtextcodec.h>
#include <kformuladocument.h>
#include <kformulacontainer.h>
#include <kformulamimesource.h>
#include "mathmlimport.h"
#include "mathmlimport.moc"
typedef KGenericFactory<MathMLImport, KoFilter> MathMLImportFactory;
K_EXPORT_COMPONENT_FACTORY( libkfomathmlimport, MathMLImportFactory( "kofficefilters" ) )
MathMLImport::MathMLImport(KoFilter *, const char *, const TQStringList&)
: KoFilter()
{
}
KoFilter::ConversionStatus MathMLImport::convert( const TQCString& from, const TQCString& to )
{
kdDebug( KFormula::DEBUGID ) << "From: " << from << endl;
kdDebug( KFormula::DEBUGID ) << "To: " << to << endl;
if(from != "application/mathml+xml" || to != "application/x-kformula")
return KoFilter::NotImplemented;
KoStore* out = KoStore::createStore(TQString(m_chain->outputFile()), KoStore::Write);
if(!out || !out->open("root")) {
KMessageBox::error( 0, i18n( "Unable to open output file." ), i18n( "MathML Import Error" ) );
delete out;
return KoFilter::FileNotFound;
}
KFormula::DocumentWrapper* wrapper = new KFormula::DocumentWrapper( kapp->config(), 0 );
KFormula::Document* doc = new KFormula::Document;
wrapper->document( doc );
KFormula::Container* formula = doc->createFormula();
//formula->loadMathML( m_chain->inputFile() );
const TQString filename( m_chain->inputFile() );
TQFile f( filename );
if ( !f.open( IO_ReadOnly ) ) {
KMessageBox::error( 0, i18n( "Failed to open input file: %1" ).arg( filename ), i18n( "MathML Import Error" ) );
delete wrapper;
return KoFilter::FileNotFound;
}
TQDomDocument mathML;
// Error variables for TQDomDocument::setContent
TQString errorMsg;
int errorLine, errorColumn;
if ( !mathML.setContent( &f, true, &errorMsg, &errorLine, &errorColumn ) ) {
delete wrapper;
TQApplication::restoreOverrideCursor();
kdError(KFormula::DEBUGID) << "Parsing error in " << filename << "! Aborting!" << endl
<< " In line: " << errorLine << ", column: " << errorColumn << endl
<< " Error message: " << errorMsg << endl;
KMessageBox::error( 0, i18n( "Parsing error in MathML file %4 at line %1, column %2\nError message: %3" )
.arg( errorLine ).arg( errorColumn ).arg( i18n ( "TQXml", errorMsg.utf8() ).arg( filename ) ), i18n( "MathML Import Error" ) );
return KoFilter::WrongFormat;
}
f.close();
if ( !formula->loadMathML( mathML ) ) {
delete wrapper;
return KoFilter::StupidError;
}
// taken from KoDocument::saveToStore
KoStoreDevice dev( out );
const TQCString s = doc->saveXML().toCString(); // utf8 already
const int nwritten = dev.writeBlock( s.data(), s.size()-1 );
if ( nwritten != (int)s.size()-1 ) {
kdWarning() << "wrote " << nwritten << " - expected " << s.size()-1 << endl;
KMessageBox::error( 0, i18n( "Failed to write formula." ), i18n( "MathML Import Error" ) );
}
out->close();
delete out;
delete wrapper;
return KoFilter::OK;
}
|
