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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 .
*/
#include <xml/acceleratorconfigurationreader.hxx>
#include <acceleratorconst.h>
#include <com/sun/star/xml/sax/XExtendedDocumentHandler.hpp>
#include <com/sun/star/awt/KeyModifier.hpp>
#include <com/sun/star/awt/KeyEvent.hpp>
#include <com/sun/star/awt/Key.hpp>
#include <com/sun/star/container/ElementExistException.hpp>
#include <vcl/svapp.hxx>
#include <rtl/ustrbuf.hxx>
namespace framework{
//-----------------------------------------------
/* Throws a SaxException in case a wrong formated XML
structure was detected.
This macro combined the given comment with a generic
way to find out the XML line (where the error occurred)
to format a suitable message.
@param COMMENT
an ascii string, which describe the problem.
*/
#define THROW_PARSEEXCEPTION(COMMENT) \
{ \
OUStringBuffer sMessage(256); \
sMessage.append (implts_getErrorLineString()); \
sMessage.appendAscii(COMMENT ); \
\
throw css::xml::sax::SAXException( \
sMessage.makeStringAndClear(), \
static_cast< css::xml::sax::XDocumentHandler* >(this), \
css::uno::Any()); \
}
//-----------------------------------------------
AcceleratorConfigurationReader::AcceleratorConfigurationReader(AcceleratorCache& rContainer)
: ThreadHelpBase (&Application::GetSolarMutex())
, m_rContainer (rContainer )
, m_bInsideAcceleratorList(sal_False )
, m_bInsideAcceleratorItem(sal_False )
{
}
//-----------------------------------------------
AcceleratorConfigurationReader::~AcceleratorConfigurationReader()
{
}
//-----------------------------------------------
void SAL_CALL AcceleratorConfigurationReader::startDocument()
throw(css::xml::sax::SAXException,
css::uno::RuntimeException )
{
}
//-----------------------------------------------
void SAL_CALL AcceleratorConfigurationReader::endDocument()
throw(css::xml::sax::SAXException,
css::uno::RuntimeException )
{
// The xml file seems to be corrupted.
// Because we found no end-tags ... at least for
// one list or item.
if (
(m_bInsideAcceleratorList) ||
(m_bInsideAcceleratorItem)
)
{
THROW_PARSEEXCEPTION("No matching start or end element 'acceleratorlist' found!")
}
}
//-----------------------------------------------
void SAL_CALL AcceleratorConfigurationReader::startElement(const OUString& sElement ,
const css::uno::Reference< css::xml::sax::XAttributeList >& xAttributeList)
throw(css::xml::sax::SAXException,
css::uno::RuntimeException )
{
EXMLElement eElement = AcceleratorConfigurationReader::implst_classifyElement(sElement);
// Note: We handle "accel:item" before "accel:acceleratorlist" to perform this operation.
// Because an item occures very often ... a list should occure one times only!
if (eElement == E_ELEMENT_ITEM)
{
if (!m_bInsideAcceleratorList)
THROW_PARSEEXCEPTION("An element \"accel:item\" must be embeded into 'accel:acceleratorlist'.")
if (m_bInsideAcceleratorItem)
THROW_PARSEEXCEPTION("An element \"accel:item\" is not a container.")
m_bInsideAcceleratorItem = sal_True;
OUString sCommand;
css::awt::KeyEvent aEvent ;
sal_Int16 c = xAttributeList->getLength();
sal_Int16 i = 0;
for (i=0; i<c; ++i)
{
OUString sAttribute = xAttributeList->getNameByIndex(i);
OUString sValue = xAttributeList->getValueByIndex(i);
EXMLAttribute eAttribute = AcceleratorConfigurationReader::implst_classifyAttribute(sAttribute);
switch(eAttribute)
{
case E_ATTRIBUTE_URL :
sCommand = sValue.intern();
break;
case E_ATTRIBUTE_KEYCODE :
aEvent.KeyCode = m_rKeyMapping->mapIdentifierToCode(sValue);
break;
case E_ATTRIBUTE_MOD_SHIFT :
aEvent.Modifiers |= css::awt::KeyModifier::SHIFT;
break;
case E_ATTRIBUTE_MOD_MOD1 :
aEvent.Modifiers |= css::awt::KeyModifier::MOD1;
break;
case E_ATTRIBUTE_MOD_MOD2 :
aEvent.Modifiers |= css::awt::KeyModifier::MOD2;
break;
case E_ATTRIBUTE_MOD_MOD3 :
aEvent.Modifiers |= css::awt::KeyModifier::MOD3;
}
}
// validate command and key event.
if (
sCommand.isEmpty() ||
(aEvent.KeyCode == 0 )
)
{
THROW_PARSEEXCEPTION("XML element does not describe a valid accelerator nor a valid command.")
}
// register key event + command inside cache ...
// Check for already existing items there.
if (!m_rContainer.hasKey(aEvent))
m_rContainer.setKeyCommandPair(aEvent, sCommand);
else
{
// Attention: Its not realy a reason to throw an exception and kill the office, if the configuration contains
// multiple registrations for the same key :-) Show a warning ... and ignore the second item.
// THROW_PARSEEXCEPTION("Command is registered for the same key more then once.")
SAL_INFO("fwk",
"AcceleratorConfigurationReader::startElement(): Double registration detected. Command=\"" <<
sCommand <<
"\" KeyCode=" <<
aEvent.KeyCode <<
"Modifiers=" <<
aEvent.Modifiers);
}
}
if (eElement == E_ELEMENT_ACCELERATORLIST)
{
if (m_bInsideAcceleratorList)
THROW_PARSEEXCEPTION("An element \"accel:acceleratorlist\" cannot be used recursive.")
m_bInsideAcceleratorList = sal_True;
return;
}
}
//-----------------------------------------------
void SAL_CALL AcceleratorConfigurationReader::endElement(const OUString& sElement)
throw(css::xml::sax::SAXException,
css::uno::RuntimeException )
{
EXMLElement eElement = AcceleratorConfigurationReader::implst_classifyElement(sElement);
// Note: We handle "accel:item" before "accel:acceleratorlist" to perform this operation.
// Because an item occures very often ... a list should occure one times only!
if (eElement == E_ELEMENT_ITEM)
{
if (!m_bInsideAcceleratorItem)
THROW_PARSEEXCEPTION("Found end element 'accel:item', but no start element.")
m_bInsideAcceleratorItem = sal_False;
}
if (eElement == E_ELEMENT_ACCELERATORLIST)
{
if (!m_bInsideAcceleratorList)
THROW_PARSEEXCEPTION("Found end element 'accel:acceleratorlist', but no start element.")
m_bInsideAcceleratorList = sal_False;
}
}
//-----------------------------------------------
void SAL_CALL AcceleratorConfigurationReader::characters(const OUString&)
throw(css::xml::sax::SAXException,
css::uno::RuntimeException )
{
}
//-----------------------------------------------
void SAL_CALL AcceleratorConfigurationReader::ignorableWhitespace(const OUString&)
throw(css::xml::sax::SAXException,
css::uno::RuntimeException )
{
}
//-----------------------------------------------
void SAL_CALL AcceleratorConfigurationReader::processingInstruction(const OUString& /*sTarget*/,
const OUString& /*sData*/ )
throw(css::xml::sax::SAXException,
css::uno::RuntimeException )
{
}
//-----------------------------------------------
void SAL_CALL AcceleratorConfigurationReader::setDocumentLocator(const css::uno::Reference< css::xml::sax::XLocator >& xLocator)
throw(css::xml::sax::SAXException,
css::uno::RuntimeException )
{
m_xLocator = xLocator;
}
//-----------------------------------------------
AcceleratorConfigurationReader::EXMLElement AcceleratorConfigurationReader::implst_classifyElement(const OUString& sElement)
{
AcceleratorConfigurationReader::EXMLElement eElement;
if (sElement.equals(NS_ELEMENT_ACCELERATORLIST))
eElement = E_ELEMENT_ACCELERATORLIST;
else if (sElement.equals(NS_ELEMENT_ITEM))
eElement = E_ELEMENT_ITEM;
else
throw css::uno::RuntimeException(
DECLARE_ASCII("Unknown XML element detected!"),
css::uno::Reference< css::xml::sax::XDocumentHandler >());
return eElement;
}
//-----------------------------------------------
AcceleratorConfigurationReader::EXMLAttribute AcceleratorConfigurationReader::implst_classifyAttribute(const OUString& sAttribute)
{
AcceleratorConfigurationReader::EXMLAttribute eAttribute;
if (sAttribute.equals(NS_ATTRIBUTE_KEYCODE))
eAttribute = E_ATTRIBUTE_KEYCODE;
else if (sAttribute.equals(NS_ATTRIBUTE_MOD_SHIFT))
eAttribute = E_ATTRIBUTE_MOD_SHIFT;
else if (sAttribute.equals(NS_ATTRIBUTE_MOD_MOD1))
eAttribute = E_ATTRIBUTE_MOD_MOD1;
else if (sAttribute.equals(NS_ATTRIBUTE_MOD_MOD2))
eAttribute = E_ATTRIBUTE_MOD_MOD2;
else if (sAttribute.equals(NS_ATTRIBUTE_MOD_MOD3))
eAttribute = E_ATTRIBUTE_MOD_MOD3;
else if (sAttribute.equals(NS_ATTRIBUTE_URL))
eAttribute = E_ATTRIBUTE_URL;
else
throw css::uno::RuntimeException(
DECLARE_ASCII("Unknown XML attribute detected!"),
css::uno::Reference< css::xml::sax::XDocumentHandler >());
return eAttribute;
}
//-----------------------------------------------
OUString AcceleratorConfigurationReader::implts_getErrorLineString()
{
if (!m_xLocator.is())
return DECLARE_ASCII("Error during parsing XML. (No further info available ...)");
OUStringBuffer sMsg(256);
sMsg.appendAscii("Error during parsing XML in\nline = ");
sMsg.append (m_xLocator->getLineNumber() );
sMsg.appendAscii("\ncolumn = " );
sMsg.append (m_xLocator->getColumnNumber() );
sMsg.appendAscii("." );
return sMsg.makeStringAndClear();
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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