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 .
*/
#include "textmarkuphelper.hxx"
#include "accportions.hxx"
#include <vector>
#include <com/sun/star/text/TextMarkupType.hpp>
#include <com/sun/star/accessibility/TextSegment.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <comphelper/sequence.hxx>
#include <osl/diagnose.h>
#include <ndtxt.hxx>
#include <wrong.hxx>
using namespace com::sun::star;
// helper functions
namespace {
/// @throws css::lang::IllegalArgumentException
/// @throws css::uno::RuntimeException
SwWrongList const* (SwTextNode::*
getTextMarkupFunc(const sal_Int32 nTextMarkupType))() const
{
switch ( nTextMarkupType )
{
case text::TextMarkupType::SPELLCHECK:
{
return &SwTextNode::GetWrong;
}
break;
case text::TextMarkupType::PROOFREADING:
{
// support not implemented yet
return nullptr;
}
break;
case text::TextMarkupType::SMARTTAG:
{
// support not implemented yet
return nullptr;
}
break;
default:
{
throw lang::IllegalArgumentException();
}
}
}
}
// implementation of class <SwTextMarkupoHelper>
SwTextMarkupHelper::SwTextMarkupHelper( const SwAccessiblePortionData& rPortionData,
const SwTextFrame& rTextFrame)
: mrPortionData( rPortionData )
, m_pTextFrame(&rTextFrame)
, mpTextMarkupList( nullptr )
{
}
// #i108125#
SwTextMarkupHelper::SwTextMarkupHelper( const SwAccessiblePortionData& rPortionData,
const SwWrongList& rTextMarkupList )
: mrPortionData( rPortionData )
, m_pTextFrame( nullptr )
, mpTextMarkupList( &rTextMarkupList )
{
}
std::unique_ptr<sw::WrongListIteratorCounter> SwTextMarkupHelper::getIterator(sal_Int32 nTextMarkupType)
{
std::unique_ptr<sw::WrongListIteratorCounter> pIter;
if (mpTextMarkupList)
{
pIter.reset(new sw::WrongListIteratorCounter(*mpTextMarkupList));
}
else
{
assert(m_pTextFrame);
SwWrongList const* (SwTextNode::*const pGetWrongList)() const = getTextMarkupFunc(nTextMarkupType);
if (pGetWrongList)
{
pIter.reset(new sw::WrongListIteratorCounter(*m_pTextFrame, pGetWrongList));
}
}
return pIter;
}
sal_Int32 SwTextMarkupHelper::getTextMarkupCount( const sal_Int32 nTextMarkupType )
{
sal_Int32 nTextMarkupCount( 0 );
std::unique_ptr<sw::WrongListIteratorCounter> pIter = getIterator(nTextMarkupType);
// iterator may handle all items in the underlying text node in the model, which may be more
// than what is in the portion data (e.g. if a paragraph is split across multiple pages),
// only take into account those that are in the portion data
for (sal_uInt16 i = 0; i < pIter->GetElementCount(); i++)
{
std::optional<std::pair<TextFrameIndex, TextFrameIndex>> oIndices = pIter->GetElementAt(i);
if (oIndices && mrPortionData.IsValidCorePosition(oIndices->first) && mrPortionData.IsValidCorePosition(oIndices->second))
nTextMarkupCount++;
}
return nTextMarkupCount;
}
css::accessibility::TextSegment
SwTextMarkupHelper::getTextMarkup( const sal_Int32 nTextMarkupIndex,
const sal_Int32 nTextMarkupType )
{
if ( nTextMarkupIndex >= getTextMarkupCount( nTextMarkupType ) ||
nTextMarkupIndex < 0 )
{
throw lang::IndexOutOfBoundsException();
}
css::accessibility::TextSegment aTextMarkupSegment;
aTextMarkupSegment.SegmentStart = -1;
aTextMarkupSegment.SegmentEnd = -1;
std::unique_ptr<sw::WrongListIteratorCounter> pIter = getIterator(nTextMarkupType);
if (pIter)
{
std::optional<std::pair<TextFrameIndex, TextFrameIndex>> oElement;
const sal_uInt16 nIterElementCount = pIter->GetElementCount();
sal_Int32 nIndexInPortion = 0;
sal_uInt16 nIterIndex = 0;
while (!oElement && nIterIndex < nIterElementCount)
{
// iterator may handle all items in the underlying text node in the model, which may be more
// than what is in the portion data (e.g. if a paragraph is split across multiple pages),
// only take into account those that are in the portion data
std::optional<std::pair<TextFrameIndex, TextFrameIndex>> oIndices = pIter->GetElementAt(nIterIndex);
if (oIndices && mrPortionData.IsValidCorePosition(oIndices->first) && mrPortionData.IsValidCorePosition(oIndices->second))
{
if (nIndexInPortion == nTextMarkupIndex)
oElement = std::move(oIndices);
nIndexInPortion++;
}
nIterIndex++;
}
if (oElement)
{
const OUString& rText = mrPortionData.GetAccessibleString();
const sal_Int32 nStartPos =
mrPortionData.GetAccessiblePosition(oElement->first);
const sal_Int32 nEndPos =
mrPortionData.GetAccessiblePosition(oElement->second);
aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos );
aTextMarkupSegment.SegmentStart = nStartPos;
aTextMarkupSegment.SegmentEnd = nEndPos;
}
else
{
OSL_FAIL( "<SwTextMarkupHelper::getTextMarkup(..)> - missing <SwWrongArea> instance" );
}
}
return aTextMarkupSegment;
}
css::uno::Sequence< css::accessibility::TextSegment >
SwTextMarkupHelper::getTextMarkupAtIndex( const sal_Int32 nCharIndex,
const sal_Int32 nTextMarkupType )
{
// assumption:
// value of <nCharIndex> is in range [0..length of accessible text)
const TextFrameIndex nCoreCharIndex = mrPortionData.GetCoreViewPosition(nCharIndex);
// Handling of portions with core length == 0 at the beginning of the
// paragraph - e.g. numbering portion.
if ( mrPortionData.GetAccessiblePosition( nCoreCharIndex ) > nCharIndex )
{
return uno::Sequence< css::accessibility::TextSegment >();
}
std::unique_ptr<sw::WrongListIteratorCounter> pIter = getIterator(nTextMarkupType);
std::vector< css::accessibility::TextSegment > aTmpTextMarkups;
if (pIter)
{
const OUString& rText = mrPortionData.GetAccessibleString();
sal_uInt16 count(pIter->GetElementCount());
for (sal_uInt16 i = 0; i < count; ++i)
{
auto const oElement(pIter->GetElementAt(i));
if (oElement &&
oElement->first <= nCoreCharIndex &&
nCoreCharIndex < oElement->second)
{
const sal_Int32 nStartPos =
mrPortionData.GetAccessiblePosition(oElement->first);
const sal_Int32 nEndPos =
mrPortionData.GetAccessiblePosition(oElement->second);
css::accessibility::TextSegment aTextMarkupSegment;
aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos );
aTextMarkupSegment.SegmentStart = nStartPos;
aTextMarkupSegment.SegmentEnd = nEndPos;
aTmpTextMarkups.push_back( aTextMarkupSegment );
}
}
}
return comphelper::containerToSequence(aTmpTextMarkups );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|