unoxml/source/dom/characterdata.cxx

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  30
  31 #include <com/sun/star/xml/dom/events/XDocumentEvent.hpp>
  32 #include "characterdata.hxx"
  33 #include "../events/mutationevent.hxx"
  34 #include <string.h>
  35
  36 namespace DOM
  37 {
  38
  39     CCharacterData::CCharacterData()
  40     {}
  41
  42     void CCharacterData::_dispatchEvent(const OUString& prevValue, const OUString& newValue)
  43     {
  44         Reference< XDocumentEvent > docevent(getOwnerDocument(), UNO_QUERY);
  45         Reference< XMutationEvent > event(docevent->createEvent(
  46             OUString::createFromAscii("DOMCharacterDataModified")), UNO_QUERY);
  47         event->initMutationEvent(
  48                 OUString::createFromAscii("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     void CCharacterData::init_characterdata(const xmlNodePtr aNodePtr)
  56     {
  57         init_node(aNodePtr);
  58     }
  59
  60     /**
  61     Append the string to the end of the character data of the node.
  62     */
  63     void SAL_CALL CCharacterData::appendData(const OUString& arg)
  64         throw (RuntimeException, DOMException)
  65     {
  66         if (m_aNodePtr != NULL)
  67         {
  68             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
  69             xmlNodeAddContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(arg, RTL_TEXTENCODING_UTF8).getStr()));
  70             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
  71             _dispatchEvent(oldValue, newValue);
  72         }
  73     }
  74
  75     /**
  76     Remove a range of 16-bit units from the node.
  77     */
  78     void SAL_CALL CCharacterData::deleteData(sal_Int32 offset, sal_Int32 count)
  79         throw (RuntimeException, DOMException)
  80     {
  81         if (m_aNodePtr != NULL)
  82         {
  83             // get current data
  84             OString aData((const sal_Char*)xmlNodeGetContent(m_aNodePtr));
  85             OUString tmp(aData, aData.getLength(), RTL_TEXTENCODING_UTF8);
  86             if (offset > tmp.getLength() || offset < 0 || count < 0) {
  87                 DOMException e;
  88                 e.Code = DOMExceptionType_INDEX_SIZE_ERR;
  89                 throw e;
  90             }
  91             if ((offset+count) > tmp.getLength())
  92                 count = tmp.getLength() - offset;
  93
  94             OUString tmp2 = tmp.copy(0, offset);
  95             tmp2 += tmp.copy(offset+count, tmp.getLength() - (offset+count));
  96             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
  97             xmlNodeSetContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(tmp2, RTL_TEXTENCODING_UTF8).getStr()));
  98             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
  99             _dispatchEvent(oldValue, newValue);
 100
 101         }
 102     }
 103
 104
 105     /**
 106     Return the character data of the node that implements this interface.
 107     */
 108     OUString SAL_CALL CCharacterData::getData() throw (RuntimeException)
 109     {
 110         OUString aData;
 111         if (m_aNodePtr != NULL)
 112         {
 113             OSL_ENSURE(m_aNodePtr->content, "character data node with NULL content, please inform lars.oppermann@sun.com!");
 114             if (m_aNodePtr->content != NULL)
 115             {
 116                 aData = OUString((const sal_Char*)m_aNodePtr->content, strlen((const sal_Char*)m_aNodePtr->content),  RTL_TEXTENCODING_UTF8);
 117             }
 118         }
 119         return aData;
 120     }
 121
 122     /**
 123     The number of 16-bit units that are available through data and the
 124     substringData method below.
 125     */
 126     sal_Int32 CCharacterData::getLength() throw (RuntimeException)
 127     {
 128         sal_Int32 length = 0;
 129         if (m_aNodePtr != NULL)
 130         {
 131              OUString aData((const sal_Char*)m_aNodePtr->content, strlen((const sal_Char*)m_aNodePtr->content),  RTL_TEXTENCODING_UTF8);
 132              length = aData.getLength();
 133         }
 134         return length;
 135     }
 136
 137     /**
 138     Insert a string at the specified 16-bit unit offset.
 139     */
 140     void SAL_CALL CCharacterData::insertData(sal_Int32 offset, const OUString& arg)
 141         throw (RuntimeException, DOMException)
 142     {
 143         if (m_aNodePtr != NULL)
 144         {
 145             // get current data
 146             OString aData((const sal_Char*)xmlNodeGetContent(m_aNodePtr));
 147             OUString tmp(aData, aData.getLength(), RTL_TEXTENCODING_UTF8);
 148             if (offset > tmp.getLength() || offset < 0) {
 149                 DOMException e;
 150                 e.Code = DOMExceptionType_INDEX_SIZE_ERR;
 151                 throw e;
 152             }
 153
 154             OUString tmp2 = tmp.copy(0, offset);
 155             tmp2 += arg;
 156             tmp2 += tmp.copy(offset, tmp.getLength() - offset);
 157             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 158             xmlNodeSetContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(tmp2, RTL_TEXTENCODING_UTF8).getStr()));
 159             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 160             _dispatchEvent(oldValue, newValue);
 161
 162         }
 163     }
 164
 165
 166     /**
 167     Replace the characters starting at the specified 16-bit unit offset
 168     with the specified string.
 169     */
 170     void SAL_CALL CCharacterData::replaceData(sal_Int32 offset, sal_Int32 count, const OUString& arg)
 171         throw (RuntimeException, DOMException)
 172     {
 173         if (m_aNodePtr != NULL)
 174         {
 175             // get current data
 176             OString aData((const sal_Char*)xmlNodeGetContent(m_aNodePtr));
 177             OUString tmp(aData, aData.getLength(), RTL_TEXTENCODING_UTF8);
 178             if (offset > tmp.getLength() || offset < 0 || count < 0){
 179                 DOMException e;
 180                 e.Code = DOMExceptionType_INDEX_SIZE_ERR;
 181                 throw e;
 182             }
 183             if ((offset+count) > tmp.getLength())
 184                 count = tmp.getLength() - offset;
 185
 186             OUString tmp2 = tmp.copy(0, offset);
 187             tmp2 += arg;
 188             tmp2 += tmp.copy(offset+count, tmp.getLength() - (offset+count));
 189             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 190             xmlNodeSetContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(tmp2, RTL_TEXTENCODING_UTF8).getStr()));
 191             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 192             _dispatchEvent(oldValue, newValue);
 193         }
 194     }
 195
 196     /**
 197     Set the character data of the node that implements this interface.
 198     */
 199     void SAL_CALL CCharacterData::setData(const OUString& data)
 200         throw (RuntimeException, DOMException)
 201     {
 202         if (m_aNodePtr != NULL)
 203         {
 204             OUString oldValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 205             xmlNodeSetContent(m_aNodePtr, (const xmlChar*)(OUStringToOString(data, RTL_TEXTENCODING_UTF8).getStr()));
 206             OUString newValue((char*)m_aNodePtr->content, strlen((char*)m_aNodePtr->content), RTL_TEXTENCODING_UTF8);
 207             _dispatchEvent(oldValue, newValue);
 208
 209         }
 210     }
 211
 212     /**
 213     Extracts a range of data from the node.
 214     */
 215     OUString SAL_CALL CCharacterData::subStringData(sal_Int32 offset, sal_Int32 count)
 216         throw (RuntimeException, DOMException)
 217     {
 218         OUString aStr;
 219         if (m_aNodePtr != NULL)
 220         {
 221             // get current data
 222             OString aData((const sal_Char*)xmlNodeGetContent(m_aNodePtr));
 223             OUString tmp(aData, aData.getLength(), RTL_TEXTENCODING_UTF8);
 224             if (offset > tmp.getLength() || offset < 0 || count < 0) {
 225                 DOMException e;
 226                 e.Code = DOMExceptionType_INDEX_SIZE_ERR;
 227                 throw e;
 228             }
 229             aStr = tmp.copy(offset, count);
 230         }
 231         return aStr;
 232     }
 233
 234
 235 } // namspace DOM
 236