93c64a61f2
Add new methods "subView" to O(U)String to return substring views of the underlying data. Add a clang plugin to warn when replacing existing calls to copy() would be better to use subView(). Change-Id: I03a5732431ce60808946f2ce2c923b22845689ca Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105420 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
264 lines
10 KiB
C++
264 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "characterdata.hxx"
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#include <string.h>
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#include <memory>
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#include <osl/diagnose.h>
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#include <com/sun/star/xml/dom/DOMException.hpp>
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#include <com/sun/star/xml/dom/events/XDocumentEvent.hpp>
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#include <com/sun/star/xml/dom/events/XMutationEvent.hpp>
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using namespace css::uno;
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using namespace css::xml::dom;
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using namespace css::xml::dom::events;
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namespace DOM
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{
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CCharacterData::CCharacterData(
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CDocument const& rDocument, ::osl::Mutex const& rMutex,
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NodeType const& reNodeType, xmlNodePtr const& rpNode)
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: CCharacterData_Base(rDocument, rMutex, reNodeType, rpNode)
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{
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}
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void CCharacterData::dispatchEvent_Impl(
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OUString const& prevValue, OUString const& newValue)
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{
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Reference< XDocumentEvent > docevent(getOwnerDocument(), UNO_QUERY);
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Reference< XMutationEvent > event(docevent->createEvent(
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"DOMCharacterDataModified"), UNO_QUERY);
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event->initMutationEvent(
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"DOMCharacterDataModified",
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true, false, Reference< XNode >(),
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prevValue, newValue, OUString(), AttrChangeType(0) );
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dispatchEvent(event);
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dispatchSubtreeModified();
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}
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/**
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Append the string to the end of the character data of the node.
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*/
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void SAL_CALL CCharacterData::appendData(const OUString& arg)
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{
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::osl::ClearableMutexGuard guard(m_rMutex);
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if (m_aNodePtr != nullptr)
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{
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OUString oldValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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xmlNodeAddContent(m_aNodePtr, reinterpret_cast<const xmlChar*>(OUStringToOString(arg, RTL_TEXTENCODING_UTF8).getStr()));
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OUString newValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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guard.clear(); // release mutex before calling event handlers
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dispatchEvent_Impl(oldValue, newValue);
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}
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}
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/**
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Remove a range of 16-bit units from the node.
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*/
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void SAL_CALL CCharacterData::deleteData(sal_Int32 offset, sal_Int32 count)
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{
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::osl::ClearableMutexGuard guard(m_rMutex);
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if (m_aNodePtr == nullptr)
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return;
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// get current data
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std::shared_ptr<xmlChar const> const pContent(
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xmlNodeGetContent(m_aNodePtr), xmlFree);
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OString aData(reinterpret_cast<char const*>(pContent.get()));
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OUString tmp(OStringToOUString(aData, RTL_TEXTENCODING_UTF8));
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if (offset > tmp.getLength() || offset < 0 || count < 0) {
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DOMException e;
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e.Code = DOMExceptionType_INDEX_SIZE_ERR;
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throw e;
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}
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if ((offset+count) > tmp.getLength())
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count = tmp.getLength() - offset;
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OUString tmp2 = OUString::Concat(tmp.subView(0, offset)) + tmp.subView(offset+count);
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OUString oldValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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xmlNodeSetContent(m_aNodePtr, reinterpret_cast<const xmlChar*>(OUStringToOString(tmp2, RTL_TEXTENCODING_UTF8).getStr()));
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OUString newValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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guard.clear(); // release mutex before calling event handlers
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dispatchEvent_Impl(oldValue, newValue);
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}
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/**
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Return the character data of the node that implements this interface.
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*/
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OUString SAL_CALL CCharacterData::getData()
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{
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::osl::MutexGuard const g(m_rMutex);
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OUString aData;
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if (m_aNodePtr != nullptr)
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{
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OSL_ENSURE(m_aNodePtr->content, "character data node with NULL content, please inform lars.oppermann@sun.com!");
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if (m_aNodePtr->content != nullptr)
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{
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aData = OUString(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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}
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}
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return aData;
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}
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/**
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The number of 16-bit units that are available through data and the
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substringData method below.
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*/
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sal_Int32 SAL_CALL CCharacterData::getLength()
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{
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::osl::MutexGuard const g(m_rMutex);
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sal_Int32 length = 0;
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if (m_aNodePtr != nullptr)
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{
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OUString aData(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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length = aData.getLength();
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}
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return length;
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}
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/**
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Insert a string at the specified 16-bit unit offset.
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*/
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void SAL_CALL CCharacterData::insertData(sal_Int32 offset, const OUString& arg)
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{
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::osl::ClearableMutexGuard guard(m_rMutex);
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if (m_aNodePtr == nullptr)
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return;
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// get current data
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std::shared_ptr<xmlChar const> const pContent(
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xmlNodeGetContent(m_aNodePtr), xmlFree);
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OString aData(reinterpret_cast<char const*>(pContent.get()));
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OUString tmp(OStringToOUString(aData, RTL_TEXTENCODING_UTF8));
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if (offset > tmp.getLength() || offset < 0) {
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DOMException e;
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e.Code = DOMExceptionType_INDEX_SIZE_ERR;
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throw e;
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}
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OUString tmp2 = tmp.subView(0, offset) +
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arg +
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tmp.subView(offset);
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OUString oldValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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xmlNodeSetContent(m_aNodePtr, reinterpret_cast<const xmlChar*>(OUStringToOString(tmp2, RTL_TEXTENCODING_UTF8).getStr()));
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OUString newValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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guard.clear(); // release mutex before calling event handlers
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dispatchEvent_Impl(oldValue, newValue);
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}
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/**
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Replace the characters starting at the specified 16-bit unit offset
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with the specified string.
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*/
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void SAL_CALL CCharacterData::replaceData(sal_Int32 offset, sal_Int32 count, const OUString& arg)
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{
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::osl::ClearableMutexGuard guard(m_rMutex);
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if (m_aNodePtr == nullptr)
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return;
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// get current data
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std::shared_ptr<xmlChar const> const pContent(
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xmlNodeGetContent(m_aNodePtr), xmlFree);
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OString aData(reinterpret_cast<char const*>(pContent.get()));
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OUString tmp(OStringToOUString(aData, RTL_TEXTENCODING_UTF8));
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if (offset > tmp.getLength() || offset < 0 || count < 0){
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DOMException e;
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e.Code = DOMExceptionType_INDEX_SIZE_ERR;
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throw e;
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}
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if ((offset+count) > tmp.getLength())
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count = tmp.getLength() - offset;
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OUString tmp2 = tmp.subView(0, offset) +
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arg +
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tmp.subView(offset+count);
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OUString oldValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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xmlNodeSetContent(m_aNodePtr, reinterpret_cast<const xmlChar*>(OUStringToOString(tmp2, RTL_TEXTENCODING_UTF8).getStr()));
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OUString newValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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guard.clear(); // release mutex before calling event handlers
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dispatchEvent_Impl(oldValue, newValue);
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}
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/**
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Set the character data of the node that implements this interface.
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*/
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void SAL_CALL CCharacterData::setData(const OUString& data)
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{
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::osl::ClearableMutexGuard guard(m_rMutex);
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if (m_aNodePtr != nullptr)
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{
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OUString oldValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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xmlNodeSetContent(m_aNodePtr, reinterpret_cast<const xmlChar*>(OUStringToOString(data, RTL_TEXTENCODING_UTF8).getStr()));
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OUString newValue(reinterpret_cast<char*>(m_aNodePtr->content), strlen(reinterpret_cast<char*>(m_aNodePtr->content)), RTL_TEXTENCODING_UTF8);
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guard.clear(); // release mutex before calling event handlers
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dispatchEvent_Impl(oldValue, newValue);
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}
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}
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/**
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Extracts a range of data from the node.
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*/
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OUString SAL_CALL CCharacterData::subStringData(sal_Int32 offset, sal_Int32 count)
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{
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::osl::MutexGuard const g(m_rMutex);
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OUString aStr;
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if (m_aNodePtr != nullptr)
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{
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// get current data
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std::shared_ptr<xmlChar const> const pContent(
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xmlNodeGetContent(m_aNodePtr), xmlFree);
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OString aData(reinterpret_cast<char const*>(pContent.get()));
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OUString tmp(OStringToOUString(aData, RTL_TEXTENCODING_UTF8));
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if (offset > tmp.getLength() || offset < 0 || count < 0) {
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DOMException e;
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e.Code = DOMExceptionType_INDEX_SIZE_ERR;
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throw e;
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}
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aStr = tmp.copy(offset, count);
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}
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return aStr;
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}
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} // namespace DOM
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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