LibreOffice Module sw (master)  1
txatritr.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  *
9  * This file incorporates work covered by the following license notice:
10  *
11  * Licensed to the Apache Software Foundation (ASF) under one or more
12  * contributor license agreements. See the NOTICE file distributed
13  * with this work for additional information regarding copyright
14  * ownership. The ASF licenses this file to you under the Apache
15  * License, Version 2.0 (the "License"); you may not use this file
16  * except in compliance with the License. You may obtain a copy of
17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #include <txatritr.hxx>
21 
22 #include <com/sun/star/i18n/ScriptType.hpp>
23 #include <com/sun/star/i18n/XBreakIterator.hpp>
24 #include <fchrfmt.hxx>
25 #include <charfmt.hxx>
26 #include <breakit.hxx>
27 #include <ndtxt.hxx>
28 #include <txatbase.hxx>
29 
30 using namespace ::com::sun::star;
31 
33  const OUString& rStr, sal_Int32 nStt, bool const bFrwrd)
34  : m_rText(rStr)
35  , m_nChgPos(rStr.getLength())
36  , m_nCurScript(i18n::ScriptType::WEAK)
37  , m_bForward(bFrwrd)
38 {
39  assert(g_pBreakIt && g_pBreakIt->GetBreakIter().is());
40  if ( ! bFrwrd && nStt )
41  --nStt;
42 
43  sal_Int32 nPos = nStt;
44  m_nCurScript = g_pBreakIt->GetBreakIter()->getScriptType(m_rText, nPos);
45  if( i18n::ScriptType::WEAK == m_nCurScript )
46  {
47  if( nPos )
48  {
49  nPos = g_pBreakIt->GetBreakIter()->beginOfScript(
50  m_rText, nPos, m_nCurScript);
51  if (nPos > 0 && nPos < m_rText.getLength())
52  {
53  nStt = --nPos;
54  m_nCurScript =
55  g_pBreakIt->GetBreakIter()->getScriptType(m_rText,nPos);
56  }
57  }
58  }
59 
61  ? g_pBreakIt->GetBreakIter()->endOfScript(
62  m_rText, nStt, m_nCurScript)
63  : g_pBreakIt->GetBreakIter()->beginOfScript(
64  m_rText, nStt, m_nCurScript);
65 }
66 
68 {
69  assert(g_pBreakIt && g_pBreakIt->GetBreakIter().is());
70  if (m_bForward && m_nChgPos >= 0 && m_nChgPos < m_rText.getLength())
71  {
72  m_nCurScript =
73  g_pBreakIt->GetBreakIter()->getScriptType(m_rText, m_nChgPos);
74  m_nChgPos = g_pBreakIt->GetBreakIter()->endOfScript(
76  }
77  else if (!m_bForward && m_nChgPos > 0)
78  {
79  --m_nChgPos;
80  m_nCurScript =
81  g_pBreakIt->GetBreakIter()->getScriptType(m_rText, m_nChgPos);
82  m_nChgPos = g_pBreakIt->GetBreakIter()->beginOfScript(
84  }
85 }
86 
88  sal_Int32 nStt )
89  : m_aScriptIter( rTNd.GetText(), nStt ),
90  m_rTextNode( rTNd ),
91  m_pParaItem( nullptr ),
92  m_nAttrPos( 0 ),
93  m_nChgPos( nStt )
94 {
95  SearchNextChg();
96 }
97 
99 {
100  bool bRet = false;
101  if (m_nChgPos < m_aScriptIter.GetText().getLength())
102  {
103  bRet = true;
104  if( !m_aStack.empty() )
105  {
106  do {
107  const SwTextAttr* pHt = m_aStack.front();
108  const sal_Int32 nEndPos = *pHt->End();
109  if( m_nChgPos >= nEndPos )
110  m_aStack.pop_front();
111  else
112  break;
113  } while( !m_aStack.empty() );
114  }
115 
116  if( !m_aStack.empty() )
117  {
118  const size_t nSavePos = m_nAttrPos;
119  SearchNextChg();
120  if( !m_aStack.empty() )
121  {
122  const SwTextAttr* pHt = m_aStack.front();
123  const sal_Int32 nEndPos = *pHt->End();
124  if( m_nChgPos >= nEndPos )
125  {
126  m_nChgPos = nEndPos;
127  m_nAttrPos = nSavePos;
128 
129  if( RES_TXTATR_CHARFMT == pHt->Which() )
130  {
131  const sal_uInt16 nWId = GetWhichOfScript( RES_CHRATR_LANGUAGE, m_aScriptIter.GetCurrScript() );
133  }
134  else
135  m_pCurrentItem = &pHt->GetAttr();
136 
137  m_aStack.pop_front();
138  }
139  }
140  }
141  else
142  SearchNextChg();
143  }
144  return bRet;
145 }
146 
148 {
149  size_t nIns = 0;
150  const sal_Int32 nEndPos = *rAttr.End();
151  for( ; nIns < m_aStack.size(); ++nIns )
152  if( *m_aStack[ nIns ]->End() > nEndPos )
153  break;
154 
155  m_aStack.insert( m_aStack.begin() + nIns, &rAttr );
156 }
157 
159 {
160  sal_uInt16 nWh = 0;
162  {
164  m_pParaItem = nullptr;
165  m_nAttrPos = 0; // must be restart at the beginning, because
166  // some attributes can start before or inside
167  // the current scripttype!
168  m_aStack.clear();
169  }
170  if( !m_pParaItem )
171  {
174  }
175 
176  sal_Int32 nStt = m_nChgPos;
179 
180  const SwpHints* pHts = m_rTextNode.GetpSwpHints();
181  if( pHts )
182  {
183  if( !nWh )
184  {
186  }
187 
188  const SfxPoolItem* pItem = nullptr;
189  for( ; m_nAttrPos < pHts->Count(); ++m_nAttrPos )
190  {
191  const SwTextAttr* pHt = pHts->Get( m_nAttrPos );
192  const sal_Int32* pEnd = pHt->End();
193  const sal_Int32 nHtStt = pHt->GetStart();
194  if( nHtStt < nStt && ( !pEnd || *pEnd <= nStt ))
195  continue;
196 
197  if( nHtStt >= m_nChgPos )
198  break;
199 
200  pItem = CharFormat::GetItem( *pHt, nWh );
201  if ( pItem )
202  {
203  if( nHtStt > nStt )
204  {
205  if( m_nChgPos > nHtStt )
206  m_nChgPos = nHtStt;
207  break;
208  }
209  AddToStack( *pHt );
210  m_pCurrentItem = pItem;
211  if( *pEnd < m_nChgPos )
212  m_nChgPos = *pEnd;
213  }
214  }
215  }
216 }
217 
218 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
const SwTextNode & m_rTextNode
Definition: txatritr.hxx:54
const OUString & GetText() const
Definition: txatritr.hxx:46
#define RES_CHRATR_LANGUAGE
Definition: hintids.hxx:172
SwpHints * GetpSwpHints()
Definition: ndtxt.hxx:219
sal_Int32 GetScriptChgPos() const
Definition: txatritr.hxx:45
const SfxPoolItem * GetItem(const SwTextAttr &rAttr, sal_uInt16 nWhich)
Extracts pool item of type nWhich from rAttr.
Definition: atrstck.cxx:157
SwLanguageIterator(const SwTextNode &rTextNd, sal_Int32 nStart)
Definition: txatritr.cxx:87
#define RES_TXTATR_CHARFMT
Definition: hintids.hxx:236
sal_uInt16 Which() const
Definition: txatbase.hxx:110
sal_Int32 m_nChgPos
Definition: txatritr.hxx:34
SwScriptIterator(const OUString &rStr, sal_Int32 nStart, bool bFrwrd=true)
Definition: txatritr.cxx:32
sal_uInt16 m_nCurScript
Definition: txatritr.hxx:35
sal_uInt16 GetCurrScript() const
Definition: txatritr.hxx:44
SwBreakIt * g_pBreakIt
Definition: breakit.cxx:33
sal_Int32 GetStart() const
Definition: txatbase.hxx:82
const SfxPoolItem * m_pParaItem
Definition: txatritr.hxx:55
sal_Int32 m_nChgPos
Definition: txatritr.hxx:58
size_t Count() const
Definition: ndhints.hxx:142
SwTextAttr * Get(size_t nPos) const
Definition: ndhints.hxx:144
std::deque< const SwTextAttr * > m_aStack
Definition: txatritr.hxx:53
sal_uInt16 GetWhichOfScript(sal_uInt16 nWhich, sal_uInt16 nScript)
Definition: hints.cxx:195
const OUString & m_rText
Definition: txatritr.hxx:33
const SfxPoolItem * m_pCurrentItem
Definition: txatritr.hxx:56
css::uno::Reference< css::i18n::XBreakIterator > const & GetBreakIter() const
Definition: breakit.hxx:62
SwTextNode is a paragraph in the document model.
Definition: ndtxt.hxx:80
SwCharFormat * GetCharFormat() const
Definition: fchrfmt.hxx:70
An SwTextAttr container, stores all directly formatted text portions for a text node.
Definition: ndhints.hxx:67
const SfxPoolItem & Get(sal_uInt16 nWhich, bool bSrchInParent=true) const
SwScriptIterator m_aScriptIter
Definition: txatritr.hxx:51
const sal_Int32 * End() const
Definition: txatbase.hxx:148
const SfxPoolItem & GetFormatAttr(sal_uInt16 nWhich, bool bInParents=true) const
If bInParents is FALSE, search only in this format for attribute.
Definition: format.cxx:377
double getLength(const B2DPolygon &rCandidate)
const SwAttrSet & GetSwAttrSet() const
Does node has already its own auto-attributes? Access to SwAttrSet.
Definition: node.hxx:723
void AddToStack(const SwTextAttr &rAttr)
Definition: txatritr.cxx:147
const SfxPoolItem & GetAttr() const
Definition: txatbase.hxx:159
ScriptType
const SwFormatCharFormat & GetCharFormat() const
Definition: txatbase.hxx:179
sal_uInt16 nPos