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office-gobmx/winaccessibility/source/UAccCOM/AccEditableText.cxx
Mike Kaganski ac31338c19 Prepare for removal of non-const operator[] from Sequence in winaccessibility 
Change-Id: Ib689146520a99bbdaa7020583a4f34603c26ca19
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/124412
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2021-11-01 06:07:00 +01:00

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/* -*- 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 .
*/
/**
* AccEditableText.cpp : Implementation of CUAccCOMApp and DLL registration.
*/
#include "stdafx.h"
#include "AccEditableText.h"
#if defined __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
#endif
#include <UAccCOM.h>
#if defined __clang__
#pragma clang diagnostic pop
#endif
#include <vcl/svapp.hxx>
#include <o3tl/char16_t2wchar_t.hxx>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <com/sun/star/accessibility/XAccessibleText.hpp>
#include <com/sun/star/awt/FontSlant.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/style/LineSpacing.hpp>
#include <com/sun/star/style/TabStop.hpp>
#include <vector>
using namespace com::sun::star::accessibility;
using namespace com::sun::star::uno;
using namespace com::sun::star::awt;
using namespace com::sun::star::beans;
/**
* Copy a range of text to the clipboard.
*
* @param startOffset the start offset of copying.
* @param endOffset the end offset of copying.
* @param success the boolean result to be returned.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::copyText(long startOffset, long endOffset)
{
SolarMutexGuard g;
ENTER_PROTECTED_BLOCK
// #CHECK XInterface#
if(!pRXEdtTxt.is())
{
return E_FAIL;
}
if ( GetXInterface()->copyText( startOffset, endOffset ) )
return S_OK;
return E_FAIL;
LEAVE_PROTECTED_BLOCK
}
/**
* Deletes a range of text.
*
* @param startOffset the start offset of deleting.
* @param endOffset the end offset of deleting.
* @param success the boolean result to be returned.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::deleteText(long startOffset, long endOffset)
{
SolarMutexGuard g;
ENTER_PROTECTED_BLOCK
if( !pRXEdtTxt.is() )
return E_FAIL;
if( GetXInterface()->deleteText( startOffset, endOffset ) )
return S_OK;
return E_FAIL;
LEAVE_PROTECTED_BLOCK
}
/**
* Inserts text at a specified offset.
*
* @param offset the offset of inserting.
* @param text the text to be inserted.
* @param success the boolean result to be returned.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::insertText(long offset, BSTR * text)
{
SolarMutexGuard g;
ENTER_PROTECTED_BLOCK
if (text == nullptr)
return E_INVALIDARG;
if( !pRXEdtTxt.is() )
return E_FAIL;
OUString ouStr(o3tl::toU(*text));
if( GetXInterface()->insertText( ouStr, offset ) )
return S_OK;
return E_FAIL;
LEAVE_PROTECTED_BLOCK
}
/**
* Cuts a range of text to the clipboard.
*
* @param startOffset the start offset of cutting.
* @param endOffset the end offset of cutting.
* @param success the boolean result to be returned.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::cutText(long startOffset, long endOffset)
{
SolarMutexGuard g;
ENTER_PROTECTED_BLOCK
if( !pRXEdtTxt.is() )
return E_FAIL;
if( GetXInterface()->cutText( startOffset, endOffset ) )
return S_OK;
return E_FAIL;
LEAVE_PROTECTED_BLOCK
}
/**
* Pastes text from clipboard at specified offset.
*
* @param offset the offset of pasting.
* @param success the boolean result to be returned.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::pasteText(long offset)
{
SolarMutexGuard g;
ENTER_PROTECTED_BLOCK
if( !pRXEdtTxt.is() )
return E_FAIL;
if( GetXInterface()->pasteText( offset ) )
return S_OK;
return E_FAIL;
LEAVE_PROTECTED_BLOCK
}
/**
* Replaces range of text with new text.
*
* @param startOffset the start offset of replacing.
* @param endOffset the end offset of replacing.
* @param text the replacing text.
* @param success the boolean result to be returned.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::replaceText(long startOffset, long endOffset, BSTR * text)
{
SolarMutexGuard g;
ENTER_PROTECTED_BLOCK
// #CHECK#
if (text == nullptr)
return E_INVALIDARG;
if( !pRXEdtTxt.is() )
return E_FAIL;
OUString ouStr(o3tl::toU(*text));
if( GetXInterface()->replaceText( startOffset,endOffset, ouStr) )
return S_OK;
return E_FAIL;
LEAVE_PROTECTED_BLOCK
}
/**
* Sets attributes of range of text.
*
* @param startOffset the start offset.
* @param endOffset the end offset.
* @param attributes the attribute text.
* @param success the boolean result to be returned.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::setAttributes(long startOffset, long endOffset, BSTR * attributes)
{
SolarMutexGuard g;
ENTER_PROTECTED_BLOCK
// #CHECK#
if (attributes == nullptr)
return E_INVALIDARG;
if( !pRXEdtTxt.is() )
return E_FAIL;
OUString ouStr(o3tl::toU(*attributes));
std::vector< OUString > vecAttr;
for (sal_Int32 nIndex {0}; nIndex >= 0; )
vecAttr.push_back(ouStr.getToken(0, ';', nIndex));
Sequence< PropertyValue > beanSeq(vecAttr.size());
auto beanSeqRange = asNonConstRange(beanSeq);
for(std::vector<OUString>::size_type i = 0; i < vecAttr.size(); i ++)
{
OUString attr = vecAttr[i];
sal_Int32 nPos = attr.indexOf(':');
if(nPos > -1)
{
OUString attrName = attr.copy(0, nPos);
OUString attrValue = attr.copy(nPos + 1);
beanSeqRange[i].Name = attrName;
get_AnyFromOLECHAR(attrName, attrValue, beanSeqRange[i].Value);
}
}
if( GetXInterface()->setAttributes( startOffset,endOffset, beanSeq) )
return S_OK;
return E_FAIL;
LEAVE_PROTECTED_BLOCK
}
/**
* Convert attributes string to Any type.
*
* @param ouName the string of attribute name.
* @param ouValue the string of attribute value.
* @param rAny the Any object to be returned.
*/
void CAccEditableText::get_AnyFromOLECHAR(std::u16string_view ouName, const OUString &ouValue, Any &rAny)
{
if(ouName == u"CharBackColor" ||
ouName == u"CharColor" ||
ouName == u"ParaAdjust" ||
ouName == u"ParaFirstLineIndent" ||
ouName == u"ParaLeftMargin" ||
ouName == u"ParaRightMargin" ||
ouName == u"ParaTopMargin" ||
ouName == u"ParaBottomMargin" ||
ouName == u"CharFontPitch" )
{
// Convert to int.
// NOTE: CharFontPitch is not implemented in java file.
sal_Int32 nValue = ouValue.toInt32();
rAny.setValue(&nValue, cppu::UnoType<sal_Int32>::get());
}
else if(ouName == u"CharShadowed" ||
ouName == u"CharContoured" )
{
// Convert to boolean.
rAny <<= ouValue.toBoolean();
}
else if(ouName == u"CharEscapement" ||
ouName == u"CharStrikeout" ||
ouName == u"CharUnderline" ||
ouName == u"CharFontPitch" )
{
// Convert to short.
short nValue = static_cast<short>(ouValue.toInt32());
rAny.setValue(&nValue, cppu::UnoType<short>::get());
}
else if(ouName == u"CharHeight" ||
ouName == u"CharWeight" )
{
// Convert to float.
float fValue = ouValue.toFloat();
rAny.setValue(&fValue, cppu::UnoType<float>::get());
}
else if(ouName == u"CharFontName" )
{
// Convert to string.
rAny.setValue(&ouValue, cppu::UnoType<OUString>::get());
}
else if(ouName == u"CharPosture" )
{
// Convert to FontSlant.
css::awt::FontSlant fontSlant = static_cast<css::awt::FontSlant>(ouValue.toInt32());
rAny.setValue(&fontSlant, cppu::UnoType<css::awt::FontSlant>::get());
}
else if(ouName == u"ParaTabStops" )
{
// Convert to the Sequence with TabStop element.
std::vector< css::style::TabStop > vecTabStop;
css::style::TabStop tabStop;
OUString ouSubValue;
sal_Int32 pos = 0, posComma = 0;
do
{
// Position.
pos = ouValue.indexOf("Position=", pos);
if(pos != -1)
{
posComma = ouValue.indexOf(',', pos + 9); // 9 = length of "Position=".
if(posComma != -1)
{
ouSubValue = ouValue.copy(pos + 9, posComma - pos - 9);
tabStop.Position = ouSubValue.toInt32();
pos = posComma + 1;
// TabAlign.
pos = ouValue.indexOf("TabAlign=", pos);
if(pos != -1)
{
posComma = ouValue.indexOf(',', pos + 9); // 9 = length of "TabAlign=".
if(posComma != -1)
{
ouSubValue = ouValue.copy(pos + 9, posComma - pos - 9);
tabStop.Alignment = static_cast<css::style::TabAlign>(ouSubValue.toInt32());
pos = posComma + 1;
// DecimalChar.
pos = ouValue.indexOf("DecimalChar=", pos);
if(pos != -1)
{
posComma = ouValue.indexOf(',', pos + 11); // 11 = length of "TabAlign=".
if(posComma != -1)
{
ouSubValue = ouValue.copy(pos + 11, posComma - pos - 11);
tabStop.DecimalChar = ouSubValue.toChar();
pos = posComma + 1;
// FillChar.
pos = ouValue.indexOf("FillChar=", pos);
if(pos != -1)
{
posComma = ouValue.indexOf(',', pos + 9); // 9 = length of "TabAlign=".
if(posComma != -1)
{
ouSubValue = ouValue.copy(pos + 9, posComma - pos - 9);
tabStop.DecimalChar = ouSubValue.toChar();
pos = posComma + 1;
// Complete TabStop element.
vecTabStop.push_back(tabStop);
}
else
break; // No match comma.
}
else
break; // No match FillChar.
}
else
break; // No match comma.
}
else
break; // No match DecimalChar.
}
else
break; // No match comma.
}
else
break; // No match TabAlign.
}
else
break; // No match comma.
}
else
break; // No match Position.
}
while(pos < ouValue.getLength());
// Dump into Sequence.
int iSeqLen = (vecTabStop.size() == 0) ? 1 : vecTabStop.size();
Sequence< css::style::TabStop > seqTabStop(iSeqLen);
auto pseqTabStop = seqTabStop.getArray();
if(vecTabStop.size() != 0)
{
// Dump every element.
for(int i = 0; i < iSeqLen; i ++)
{
pseqTabStop[i] = vecTabStop[i];
}
}
else
{
// Create default value.
pseqTabStop[0].Position = 0;
pseqTabStop[0].Alignment = css::style::TabAlign_DEFAULT;
pseqTabStop[0].DecimalChar = '.';
pseqTabStop[0].FillChar = ' ';
}
// Assign to Any object.
rAny.setValue(&seqTabStop, cppu::UnoType<Sequence< css::style::TabStop >>::get());
}
else if(ouName == u"ParaLineSpacing" )
{
// Parse value string.
css::style::LineSpacing lineSpacing;
OUString ouSubValue;
sal_Int32 pos = 0, posComma = 0;
pos = ouValue.indexOf("Mode=", pos);
if(pos != -1)
{
posComma = ouValue.indexOf(',', pos + 5); // 5 = length of "Mode=".
if(posComma != -1)
{
ouSubValue = ouValue.copy(pos + 5, posComma - pos - 5);
lineSpacing.Mode = static_cast<sal_Int16>(ouSubValue.toInt32());
pos = posComma + 1;
pos = ouValue.indexOf("Height=", pos);
if(pos != -1)
{
ouSubValue = ouValue.copy(pos + 7);
lineSpacing.Height = static_cast<sal_Int16>(ouSubValue.toInt32());
}
else
{
lineSpacing.Height = sal_Int16(100); // Default height.
}
}
else
{
lineSpacing.Height = sal_Int16(100); // Default height.
}
}
else
{
// Default Mode and Height.
lineSpacing.Mode = sal_Int16(0);
lineSpacing.Height = sal_Int16(100); // Default height.
}
// Convert to Any object.
rAny.setValue(&lineSpacing, cppu::UnoType<css::style::LineSpacing>::get());
}
else
{
// Do nothing.
sal_Int32 nDefault = 0;
rAny.setValue(&nDefault, cppu::UnoType<sal_Int32>::get());
}
}
/**
* Override of IUNOXWrapper.
*
* @param pXInterface the pointer of UNO interface.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::put_XInterface(hyper pXInterface)
{
// internal IUNOXWrapper - no mutex meeded
ENTER_PROTECTED_BLOCK
CUNOXWrapper::put_XInterface(pXInterface);
//special query.
if(pUNOInterface == nullptr)
return E_FAIL;
Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext();
if( !pRContext.is() )
{
return E_FAIL;
}
Reference<XAccessibleEditableText> pRXI(pRContext,UNO_QUERY);
if( !pRXI.is() )
pRXEdtTxt = nullptr;
else
pRXEdtTxt = pRXI.get();
return S_OK;
LEAVE_PROTECTED_BLOCK
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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