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
|
/* -*- 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/.
*/
#include "wordexportbase.hxx"
#include <node.hxx>
#include <sal/log.hxx>
#include <osl/diagnose.h>
SmWordExportBase::SmWordExportBase(const SmNode* pIn)
: m_pTree(pIn)
{
}
SmWordExportBase::~SmWordExportBase() = default;
void SmWordExportBase::HandleNode(const SmNode* pNode, int nLevel)
{
SAL_INFO("starmath.wordbase",
"Node: " << nLevel << " " << int(pNode->GetType()) << " " << pNode->GetNumSubNodes());
switch (pNode->GetType())
{
case SmNodeType::Attribut:
HandleAttribute(static_cast<const SmAttributNode*>(pNode), nLevel);
break;
case SmNodeType::Text:
HandleText(pNode, nLevel);
break;
case SmNodeType::VerticalBrace:
HandleVerticalBrace(static_cast<const SmVerticalBraceNode*>(pNode), nLevel);
break;
case SmNodeType::Brace:
HandleBrace(static_cast<const SmBraceNode*>(pNode), nLevel);
break;
case SmNodeType::Oper:
HandleOperator(static_cast<const SmOperNode*>(pNode), nLevel);
break;
case SmNodeType::UnHor:
HandleUnaryOperation(static_cast<const SmUnHorNode*>(pNode), nLevel);
break;
case SmNodeType::BinHor:
HandleBinaryOperation(static_cast<const SmBinHorNode*>(pNode), nLevel);
break;
case SmNodeType::BinVer:
HandleFractions(pNode, nLevel, nullptr);
break;
case SmNodeType::Root:
HandleRoot(static_cast<const SmRootNode*>(pNode), nLevel);
break;
case SmNodeType::Special:
{
auto pText = static_cast<const SmTextNode*>(pNode);
//if the token str and the result text are the same then this
//is to be seen as text, else assume it's a mathchar
if (pText->GetText() == pText->GetToken().aText)
HandleText(pText, nLevel);
else
HandleMath(pText, nLevel);
break;
}
case SmNodeType::Math:
case SmNodeType::MathIdent:
HandleMath(pNode, nLevel);
break;
case SmNodeType::SubSup:
HandleSubSupScript(static_cast<const SmSubSupNode*>(pNode), nLevel);
break;
case SmNodeType::Expression:
HandleAllSubNodes(pNode, nLevel);
break;
case SmNodeType::Table:
//Root Node, PILE equivalent, i.e. vertical stack
HandleTable(pNode, nLevel);
break;
case SmNodeType::Matrix:
HandleMatrix(static_cast<const SmMatrixNode*>(pNode), nLevel);
break;
case SmNodeType::Line:
{
// TODO
HandleAllSubNodes(pNode, nLevel);
}
break;
#if 0
case SmNodeType::Align:
HandleMAlign(pNode,nLevel);
break;
#endif
case SmNodeType::Place:
// explicitly do nothing, MSOffice treats that as a placeholder if item is missing
break;
case SmNodeType::Blank:
HandleBlank();
break;
default:
HandleAllSubNodes(pNode, nLevel);
break;
}
}
//Root Node, PILE equivalent, i.e. vertical stack
void SmWordExportBase::HandleTable(const SmNode* pNode, int nLevel)
{
//The root of the starmath is a table, if
//we convert this them each iteration of
//conversion from starmath to Word will
//add an extra unnecessary level to the
//Word output stack which would grow
//without bound in a multi step conversion
if (nLevel || pNode->GetNumSubNodes() > 1)
HandleVerticalStack(pNode, nLevel);
else
HandleAllSubNodes(pNode, nLevel);
}
void SmWordExportBase::HandleAllSubNodes(const SmNode* pNode, int nLevel)
{
int size = pNode->GetNumSubNodes();
for (int i = 0; i < size; ++i)
{
// TODO remove when all types of nodes are handled properly
if (pNode->GetSubNode(i) == nullptr)
{
SAL_WARN("starmath.wordbase", "Subnode is NULL, parent node not handled properly");
continue;
}
HandleNode(pNode->GetSubNode(i), nLevel + 1);
}
}
void SmWordExportBase::HandleUnaryOperation(const SmUnHorNode* pNode, int nLevel)
{
// update HandleMath() when adding new items
SAL_INFO("starmath.wordbase", "Unary: " << int(pNode->GetToken().eType));
HandleAllSubNodes(pNode, nLevel);
}
void SmWordExportBase::HandleBinaryOperation(const SmBinHorNode* pNode, int nLevel)
{
SAL_INFO("starmath.wordbase", "Binary: " << int(pNode->Symbol()->GetToken().eType));
// update HandleMath() when adding new items
switch (pNode->Symbol()->GetToken().eType)
{
case TDIVIDEBY:
return HandleFractions(pNode, nLevel, "lin");
default:
HandleAllSubNodes(pNode, nLevel);
break;
}
}
void SmWordExportBase::HandleMath(const SmNode* pNode, int nLevel)
{
SAL_INFO("starmath.wordbase", "Math: " << int(pNode->GetToken().eType));
switch (pNode->GetToken().eType)
{
case TDIVIDEBY:
case TACUTE:
OSL_ASSERT(false);
[[fallthrough]]; // the above are handled elsewhere, e.g. when handling BINHOR
default:
HandleText(pNode, nLevel);
break;
}
}
void SmWordExportBase::HandleSubSupScript(const SmSubSupNode* pNode, int nLevel)
{
// set flags to a bitfield of which sub/sup items exists
int flags = (pNode->GetSubSup(CSUB) != nullptr ? (1 << CSUB) : 0)
| (pNode->GetSubSup(CSUP) != nullptr ? (1 << CSUP) : 0)
| (pNode->GetSubSup(RSUB) != nullptr ? (1 << RSUB) : 0)
| (pNode->GetSubSup(RSUP) != nullptr ? (1 << RSUP) : 0)
| (pNode->GetSubSup(LSUB) != nullptr ? (1 << LSUB) : 0)
| (pNode->GetSubSup(LSUP) != nullptr ? (1 << LSUP) : 0);
HandleSubSupScriptInternal(pNode, nLevel, flags);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
