unoxml/source/dom/characterdata.cxx

   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 <characterdata.hxx>
  21
  22 #include <string.h>
  23
  24 #include <boost/shared_ptr.hpp>
  25
  26 #include <com/sun/star/xml/dom/events/XDocumentEvent.hpp>
  27
  28 #include "../events/mutationevent.hxx"
  29
  30
  31 namespace DOM
  32 {
  33
  34     CCharacterData::CCharacterData(
  35             CDocument const& rDocument, ::osl::Mutex const& rMutex,
  36             NodeType const& reNodeType, xmlNodePtr const& rpNode)
  37         : CCharacterData_Base(rDocument, rMutex, reNodeType, rpNode)
  38     {
  39     }
  40
  41     void CCharacterData::dispatchEvent_Impl(
  42             OUString const& prevValue, OUString const& newValue)
  43     {
  44         Reference< XDocumentEvent > docevent(getOwnerDocument(), UNO_QUERY);
  45         Reference< XMutationEvent > event(docevent->createEvent(
  46             "DOMCharacterDataModified"), UNO_QUERY);
  47         event->initMutationEvent(
  48                 "DOMCharacterDataModified",
  49                 sal_True, sal_False, Reference< XNode >(),
  50                 prevValue, newValue, OUString(), (AttrChangeType)0 );
  51         dispatchEvent(Reference< XEvent >(event, UNO_QUERY));
  52         dispatchSubtreeModified();
  53     }
  54
  55     /**
  56     Append the string to the end of the character data of the node.
  57     */
  58     void SAL_CALL CCharacterData::appendData(const OUString& arg)
  59         throw (RuntimeException, DOMException)
  60     {
  61         ::osl::ClearableMutexGuard guard(m_rMutex);
  62
  63         if (m_aNodePtr != NULL)
  64         {
  65             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
  66             xmlNodeAddContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(arg, RTL_TEXTENCODING_UTF8).getStr()));
  67             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
  68
  69             guard.clear(); // release mutex before calling event handlers
  70             dispatchEvent_Impl(oldValue, newValue);
  71         }
  72     }
  73
  74     /**
  75     Remove a range of 16-bit units from the node.
  76     */
  77     void SAL_CALL CCharacterData::deleteData(sal_Int32 offset, sal_Int32 count)
  78         throw (RuntimeException, DOMException)
  79     {
  80         ::osl::ClearableMutexGuard guard(m_rMutex);
  81
  82         if (m_aNodePtr != NULL)
  83         {
  84             // get current data
  85             ::boost::shared_ptr<xmlChar const> const pContent(
  86                 xmlNodeGetContent(m_aNodePtr), xmlFree);
  87             OString aData(reinterpret_cast<sal_Char const*>(pContent.get()));
  88             OUString tmp(OStringToOUString(aData, RTL_TEXTENCODING_UTF8));
  89             if (offset > tmp.getLength() || offset < 0 || count < 0) {
  90                 DOMException e;
  91                 e.Code = DOMExceptionType_INDEX_SIZE_ERR;
  92                 throw e;
  93             }
  94             if ((offset+count) > tmp.getLength())
  95                 count = tmp.getLength() - offset;
  96
  97             OUString tmp2 = tmp.copy(0, offset);
  98             tmp2 += tmp.copy(offset+count, tmp.getLength() - (offset+count));
  99             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 100             xmlNodeSetContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(tmp2, RTL_TEXTENCODING_UTF8).getStr()));
 101             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 102
 103             guard.clear(); // release mutex before calling event handlers
 104             dispatchEvent_Impl(oldValue, newValue);
 105         }
 106     }
 107
 108
 109     /**
 110     Return the character data of the node that implements this interface.
 111     */
 112     OUString SAL_CALL CCharacterData::getData() throw (RuntimeException)
 113     {
 114         ::osl::MutexGuard const g(m_rMutex);
 115
 116         OUString aData;
 117         if (m_aNodePtr != NULL)
 118         {
 119             OSL_ENSURE(m_aNodePtr->content, "character data node with NULL content, please inform lars.oppermann@sun.com!");
 120             if (m_aNodePtr->content != NULL)
 121             {
 122                 aData = OUString((const sal_Char*)m_aNodePtr->content, strlen((const sal_Char*)m_aNodePtr->content),  RTL_TEXTENCODING_UTF8);
 123             }
 124         }
 125         return aData;
 126     }
 127
 128     /**
 129     The number of 16-bit units that are available through data and the
 130     substringData method below.
 131     */
 132     sal_Int32 SAL_CALL CCharacterData::getLength() throw (RuntimeException)
 133     {
 134         ::osl::MutexGuard const g(m_rMutex);
 135
 136         sal_Int32 length = 0;
 137         if (m_aNodePtr != NULL)
 138         {
 139              OUString aData((const sal_Char*)m_aNodePtr->content, strlen((const sal_Char*)m_aNodePtr->content),  RTL_TEXTENCODING_UTF8);
 140              length = aData.getLength();
 141         }
 142         return length;
 143     }
 144
 145     /**
 146     Insert a string at the specified 16-bit unit offset.
 147     */
 148     void SAL_CALL CCharacterData::insertData(sal_Int32 offset, const OUString& arg)
 149         throw (RuntimeException, DOMException)
 150     {
 151         ::osl::ClearableMutexGuard guard(m_rMutex);
 152
 153         if (m_aNodePtr != NULL)
 154         {
 155             // get current data
 156             ::boost::shared_ptr<xmlChar const> const pContent(
 157                 xmlNodeGetContent(m_aNodePtr), xmlFree);
 158             OString aData(reinterpret_cast<sal_Char const*>(pContent.get()));
 159             OUString tmp(OStringToOUString(aData, RTL_TEXTENCODING_UTF8));
 160             if (offset > tmp.getLength() || offset < 0) {
 161                 DOMException e;
 162                 e.Code = DOMExceptionType_INDEX_SIZE_ERR;
 163                 throw e;
 164             }
 165
 166             OUString tmp2 = tmp.copy(0, offset);
 167             tmp2 += arg;
 168             tmp2 += tmp.copy(offset, tmp.getLength() - offset);
 169             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 170             xmlNodeSetContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(tmp2, RTL_TEXTENCODING_UTF8).getStr()));
 171             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 172
 173             guard.clear(); // release mutex before calling event handlers
 174             dispatchEvent_Impl(oldValue, newValue);
 175         }
 176     }
 177
 178
 179     /**
 180     Replace the characters starting at the specified 16-bit unit offset
 181     with the specified string.
 182     */
 183     void SAL_CALL CCharacterData::replaceData(sal_Int32 offset, sal_Int32 count, const OUString& arg)
 184         throw (RuntimeException, DOMException)
 185     {
 186         ::osl::ClearableMutexGuard guard(m_rMutex);
 187
 188         if (m_aNodePtr != NULL)
 189         {
 190             // get current data
 191             ::boost::shared_ptr<xmlChar const> const pContent(
 192                 xmlNodeGetContent(m_aNodePtr), xmlFree);
 193             OString aData(reinterpret_cast<sal_Char const*>(pContent.get()));
 194             OUString tmp(OStringToOUString(aData, RTL_TEXTENCODING_UTF8));
 195             if (offset > tmp.getLength() || offset < 0 || count < 0){
 196                 DOMException e;
 197                 e.Code = DOMExceptionType_INDEX_SIZE_ERR;
 198                 throw e;
 199             }
 200             if ((offset+count) > tmp.getLength())
 201                 count = tmp.getLength() - offset;
 202
 203             OUString tmp2 = tmp.copy(0, offset);
 204             tmp2 += arg;
 205             tmp2 += tmp.copy(offset+count, tmp.getLength() - (offset+count));
 206             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 207             xmlNodeSetContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(tmp2, RTL_TEXTENCODING_UTF8).getStr()));
 208             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 209
 210             guard.clear(); // release mutex before calling event handlers
 211             dispatchEvent_Impl(oldValue, newValue);
 212         }
 213     }
 214
 215     /**
 216     Set the character data of the node that implements this interface.
 217     */
 218     void SAL_CALL CCharacterData::setData(const OUString& data)
 219         throw (RuntimeException, DOMException)
 220     {
 221         ::osl::ClearableMutexGuard guard(m_rMutex);
 222
 223         if (m_aNodePtr != NULL)
 224         {
 225             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 226             xmlNodeSetContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(data, RTL_TEXTENCODING_UTF8).getStr()));
 227             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 228
 229             guard.clear(); // release mutex before calling event handlers
 230             dispatchEvent_Impl(oldValue, newValue);
 231         }
 232     }
 233
 234     /**
 235     Extracts a range of data from the node.
 236     */
 237     OUString SAL_CALL CCharacterData::subStringData(sal_Int32 offset, sal_Int32 count)
 238         throw (RuntimeException, DOMException)
 239     {
 240         ::osl::MutexGuard const g(m_rMutex);
 241
 242         OUString aStr;
 243         if (m_aNodePtr != NULL)
 244         {
 245             // get current data
 246             ::boost::shared_ptr<xmlChar const> const pContent(
 247                 xmlNodeGetContent(m_aNodePtr), xmlFree);
 248             OString aData(reinterpret_cast<sal_Char const*>(pContent.get()));
 249             OUString tmp(OStringToOUString(aData, RTL_TEXTENCODING_UTF8));
 250             if (offset > tmp.getLength() || offset < 0 || count < 0) {
 251                 DOMException e;
 252                 e.Code = DOMExceptionType_INDEX_SIZE_ERR;
 253                 throw e;
 254             }
 255             aStr = tmp.copy(offset, count);
 256         }
 257         return aStr;
 258     }
 259
 260
 261 } // namspace DOM
 262
 263 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */