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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Version: MPL 1.1 / GPLv3+ / LGPLv3+
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License or as specified alternatively below. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Major Contributor(s):
* Copyright (C) 2011 Lubos Lunak <l.lunak@suse.cz> (initial developer)
*
* All Rights Reserved.
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
* instead of those above.
*/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_starmath.hxx"
#include "ooxmlimport.hxx"
#include <oox/token/tokens.hxx>
#include <oox/token/namespaces.hxx>
using namespace oox;
using namespace oox::formulaimport;
using rtl::OUString;
/*
The primary internal data structure for the formula is the text representation
(the SmNode tree is built from it), so read data must be converted into this format.
*/
#define M_TOKEN( token ) OOX_TOKEN( officeMath, token )
#define OPENING_TAG( token ) OPENING( token )
#define CLOSING_TAG( token ) CLOSING( token )
// *sigh*
#define STR( str ) OUString( RTL_CONSTASCII_USTRINGPARAM( str ))
// TODO create IS_OPENING(), IS_CLOSING() instead of doing 'next == OPENING( next )' ?
SmOoxmlImport::SmOoxmlImport( oox::formulaimport::XmlStream& s )
: stream( s )
{
}
OUString SmOoxmlImport::ConvertToStarMath()
{
return handleStream();
}
// "toplevel" of reading, there will be oMath (if there was oMathPara, that was
// up to the parent component to handle)
// NOT complete
OUString SmOoxmlImport::handleStream()
{
stream.ensureOpeningTag( M_TOKEN( oMath ));
OUString ret;
while( !stream.atEnd())
{
XmlStream::Tag tag = stream.currentTag();
if( tag.token == CLOSING( M_TOKEN( oMath )))
break;
switch( tag.token )
{
case OPENING( M_TOKEN( acc )):
ret += STR( " " ) + handleAcc();
break;
case OPENING( M_TOKEN( f )):
ret += STR( " " ) + handleF();
break;
default:
stream.handleUnexpectedTag();
break;
}
}
stream.ensureClosingTag( M_TOKEN( oMath ));
return ret;
}
OUString SmOoxmlImport::handleAcc()
{
stream.ensureOpeningTag( M_TOKEN( acc ));
OUString acc;
if( XmlStream::Tag accPr = stream.checkOpeningTag( M_TOKEN( accPr )))
{
if( XmlStream::Tag chr = stream.checkOpeningTag( M_TOKEN( chr )))
{
acc = chr.attributes.attribute( M_TOKEN( val ));
stream.ensureClosingTag( M_TOKEN( chr ));
}
stream.ensureClosingTag( M_TOKEN( accPr ));
}
// see aTokenTable in parse.cxx
switch( acc.isEmpty() ? sal_Unicode( MS_ACUTE ) : acc[ 0 ] )
{
case MS_CHECK:
acc = STR( "check" );
break;
case MS_ACUTE:
acc = STR( "acute" );
break;
case MS_GRAVE:
acc = STR( "grave" );
break;
case MS_BREVE:
acc = STR( "breve" );
break;
case MS_CIRCLE:
acc = STR( "circle" );
break;
case MS_VEC:
acc = STR( "vec" );
break;
case MS_TILDE:
acc = STR( "tilde" );
break;
case MS_HAT:
acc = STR( "hat" );
break;
case MS_DOT:
acc = STR( "dot" );
break;
case MS_DDOT:
acc = STR( "ddot" );
break;
case MS_DDDOT:
acc = STR( "dddot" );
break;
// these characters do not exist it seems
// case MS_WIDETILDE:
// acc = STR( "widetilde" );
// break;
// case TWIDEHAT:
// acc = STR( "widehat" );
// break;
// case TWIDEVEC:
// acc = STR( "widevec" );
// break;
default:
acc = STR( "acute" );
break;
}
OUString e = handleE();
stream.ensureClosingTag( M_TOKEN( acc ));
return acc + STR( " { " ) + e + STR( " }" );
}
OUString SmOoxmlImport::handleE()
{
// TODO
}
// NOT complete
OUString SmOoxmlImport::handleF()
{
stream.ensureOpeningTag( M_TOKEN( f ));
if( stream.currentToken() == OPENING_TAG( M_TOKEN( fPr )))
{
// TODO
}
stream.ensureOpeningTag( M_TOKEN( num ));
OUString num = readR();
stream.ensureClosingTag( M_TOKEN( num ));
stream.ensureOpeningTag( M_TOKEN( den ));
OUString den = readR();
stream.ensureClosingTag( M_TOKEN( den ));
stream.ensureClosingTag( M_TOKEN( f ));
return STR( "{" ) + num + STR( "} over {" ) + den + STR( "}" );
}
// NOT complete
OUString SmOoxmlImport::readR()
{
stream.ensureOpeningTag( M_TOKEN( r ));
if( XmlStream::Tag rPr = stream.checkOpeningTag( OOX_TOKEN( doc, rPr )))
{ // TODO
// stream.checkOpeningTag( OOX_TOKEN( doc, rFonts ));
// stream.ensureClosingTag( OOX_TOKEN( doc, rFonts ));
stream.ensureClosingTag( OOX_TOKEN( doc, rPr ));
}
// TODO can there be more t's ?
XmlStream::Tag rtag = stream.ensureOpeningTag( M_TOKEN( t ));
// TODO bail out if failure?
OUString text = rtag.text;
if( rtag.attributes.attribute( OOX_TOKEN( xml, space )) != STR( "preserve" ))
text = text.trim();
stream.ensureClosingTag( M_TOKEN( t ));
stream.ensureClosingTag( M_TOKEN( r ));
return text;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|