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
|
/* -*- 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 .
*/
#undef OSL_DEBUG_LEVEL
#include <osl/diagnose.h>
#include "internal/contentreader.hxx"
#include "dummytag.hxx"
#include "simpletag.hxx"
#include "autostyletag.hxx"
#include "assert.h"
/** constructor.
*/
CContentReader::CContentReader( const std::string& DocumentName, LocaleSet_t const & DocumentLocale ):
CBaseReader( DocumentName )
{
try
{
m_DefaultLocale = DocumentLocale;
Initialize( DOC_CONTENT_NAME );
}
catch(xml_parser_exception&
#if OSL_DEBUG_LEVEL > 0
ex
#endif
)
{
OSL_ENSURE(false, ex.what());
}
catch(...)
{
OSL_ENSURE(false, "Unknown error");
}
}
CContentReader::CContentReader( StreamInterface* stream, LocaleSet_t const & DocumentLocale ) :
CBaseReader( stream )
{
try
{
m_DefaultLocale = DocumentLocale;
Initialize( DOC_CONTENT_NAME );
}
catch(xml_parser_exception&
#if OSL_DEBUG_LEVEL > 0
ex
#endif
)
{
OSL_ENSURE(false, ex.what());
}
catch(...)
{
OSL_ENSURE(false, "Unknown error");
}
}
/** destructor.
*/
CContentReader::~CContentReader( void )
{
}
/*********************** helper functions ***********************/
/** choose an appropriate tag reader
*/
ITag* CContentReader::chooseTagReader( const std::wstring& tag_name, const XmlTagAttributes_t& XmlAttributes )
{
if (( tag_name == CONTENT_TEXT_A )||( tag_name == CONTENT_TEXT_P )||
( tag_name == CONTENT_TEXT_SPAN ) ||( tag_name == CONTENT_TEXT_H )||
( tag_name == CONTENT_TEXT_SEQUENCE ) ||( tag_name == CONTENT_TEXT_BOOKMARK_REF )||
( tag_name == CONTENT_TEXT_INDEX_TITLE_TEMPLATE ) )
return new CSimpleTag(XmlAttributes);
else if ( tag_name == CONTENT_STYLE_STYLE )
{
// if style:style | style:name is exist,, fill the style field, otherwise do nothing;
if ( XmlAttributes.find(CONTENT_STYLE_STYLE_NAME) != XmlAttributes.end())
return new CAutoStyleTag(XmlAttributes);
else
return new CDummyTag();
}
else if ( ( tag_name == CONTENT_STYLE_PROPERTIES ) || ( tag_name == CONTENT_TEXT_STYLE_PROPERTIES ) )
{
assert( !m_TagBuilderStack.empty() );
//here we presume that if CONTENT_STYLE_PROPERTIES tag is present, it just follow CONTENT_STYLE_STYLE;
ITag* pTagBuilder = m_TagBuilderStack.top();
pTagBuilder->addAttributes( XmlAttributes );
return new CDummyTag();
}
else
return new CDummyTag();
}
/** get style of the current content.
*/
::std::wstring CContentReader::getCurrentContentStyle( void )
{
assert( !m_TagBuilderStack.empty() );
ITag* pTagBuilder = m_TagBuilderStack.top();
return ( pTagBuilder->getTagAttribute(CONTENT_TEXT_STYLENAME) );
}
/** add chunk into Chunk Buffer.
*/
void CContentReader::addChunk( LocaleSet_t const & Locale, Content_t const & Content )
{
if ( Content == EMPTY_STRING )
return;
if ( ( ( m_ChunkBuffer.empty() ) || ( m_ChunkBuffer.back().first != Locale ) ) &&
( ( Content != SPACE ) && ( Content != LF ) ) )
{
// if met a new locale, add a blank new chunk;
Chunk_t Chunk;
Chunk.first = Locale;
Chunk.second = EMPTY_STRING;
m_ChunkBuffer.push_back( Chunk );
}
if ( !m_ChunkBuffer.empty() )
m_ChunkBuffer.back().second += Content;
}
/** get a style's locale field.
*/
LocaleSet_t const & CContentReader::getLocale( const StyleName_t Style )
{
if ( m_StyleMap.empty() )
return m_DefaultLocale;
StyleLocaleMap_t :: const_iterator style_Iter;
if ( ( style_Iter = m_StyleMap.find( Style ) ) == m_StyleMap.end( ) )
return m_DefaultLocale;
else
return style_Iter->second;
}
/*********************** event handler functions ***********************/
// start_element occurs when a tag is start
void CContentReader::start_element(
const std::wstring& /*raw_name*/,
const std::wstring& local_name,
const XmlTagAttributes_t& attributes)
{
//get appropriate Xml Tag Builder using MetaInfoBuilderFactory;
ITag* pTagBuilder = chooseTagReader( local_name,attributes );
assert( pTagBuilder != NULL );
pTagBuilder->startTag( );
m_TagBuilderStack.push( pTagBuilder );
}
// end_element occurs when a tag is closed
void CContentReader::end_element(const std::wstring& /*raw_name*/, const std::wstring& local_name)
{
assert( !m_TagBuilderStack.empty() );
ITag* pTagBuilder = m_TagBuilderStack.top();
if ( local_name == CONTENT_STYLE_STYLE )
{
StyleLocalePair_t StyleLocalePair = static_cast<CAutoStyleTag * >( pTagBuilder)->getStyleLocalePair();
if ( ( static_cast<CAutoStyleTag * >( pTagBuilder)->isFull() ) && ( StyleLocalePair.second != m_DefaultLocale ) )
m_StyleMap.insert( StyleLocalePair );
}
if (( local_name == CONTENT_TEXT_A )||( local_name == CONTENT_TEXT_SPAN ) ||
( local_name == CONTENT_TEXT_SEQUENCE )||( local_name == CONTENT_TEXT_BOOKMARK_REF ))
addChunk( getLocale( getCurrentContentStyle() ), ::std::wstring( SPACE ) );
if ((( local_name == CONTENT_TEXT_P )||( local_name == CONTENT_TEXT_H ) ||
( local_name == CONTENT_TEXT_INDEX_TITLE_TEMPLATE ) )&&
( EMPTY_STRING != pTagBuilder->getTagContent( ) ) )
addChunk( getLocale( getCurrentContentStyle() ), ::std::wstring( LF ) );
m_TagBuilderStack.pop();
pTagBuilder->endTag();
delete pTagBuilder;
}
// characters occurs when receiving characters
void CContentReader::characters( const std::wstring& character )
{
if ( character.length() > 0 && !HasOnlySpaces( character ) )
{
addChunk( getLocale( getCurrentContentStyle() ), ::std::wstring( character ) );
ITag* pTagBuilder = m_TagBuilderStack.top();
pTagBuilder->addCharacters( character );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
