unoxml/source/dom/attr.cxx

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  30
  31 #include "attr.hxx"
  32 #include "element.hxx"
  33 #include <com/sun/star/xml/dom/DOMException.hdl>
  34 #include <string.h>
  35
  36 namespace DOM
  37 {
  38     CAttr::CAttr(const xmlAttrPtr pAttr)
  39     {
  40         m_aAttrPtr = pAttr;
  41         m_aNodeType = NodeType_ATTRIBUTE_NODE;
  42         init_node((xmlNodePtr)pAttr);
  43     }
  44
  45     OUString SAL_CALL CAttr::getNodeName()
  46         throw (RuntimeException)
  47     {
  48         return getName();
  49     }
  50     OUString SAL_CALL CAttr::getNodeValue()
  51         throw (RuntimeException)
  52     {
  53         return getValue();
  54     }
  55     OUString SAL_CALL CAttr::getLocalName()
  56         throw (RuntimeException)
  57     {
  58         return getName();
  59     }
  60
  61
  62     /**
  63     Returns the name of this attribute.
  64     */
  65     OUString SAL_CALL CAttr::getName() throw (RuntimeException)
  66     {
  67         OUString aName;
  68         if (m_aAttrPtr != NULL)
  69         {
  70             aName = OUString((char*)m_aAttrPtr->name, strlen((char*)m_aAttrPtr->name), RTL_TEXTENCODING_UTF8);
  71         }
  72         return aName;
  73     }
  74
  75     /**
  76     The Element node this attribute is attached to or null if this
  77     attribute is not in use.
  78     */
  79     Reference< XElement > SAL_CALL CAttr::getOwnerElement()
  80         throw (RuntimeException)
  81     {
  82         Reference< XElement > aElement;
  83         if (m_aAttrPtr != NULL && m_aAttrPtr->parent != NULL)
  84         {
  85             aElement = Reference< XElement >(static_cast< CElement* >(CNode::get(m_aAttrPtr->parent)));
  86         }
  87         return aElement;
  88     }
  89
  90     /**
  91     If this attribute was explicitly given a value in the original
  92     document, this is true; otherwise, it is false.
  93     */
  94     sal_Bool SAL_CALL CAttr::getSpecified()
  95         throw (RuntimeException)
  96     {
  97         // XXX what is this supposed do exactly?
  98         return sal_False;
  99     }
 100
 101     /**
 102     On retrieval, the value of the attribute is returned as a string.
 103     */
 104     OUString SAL_CALL CAttr::getValue()
 105         throw (RuntimeException)
 106     {
 107         OUString aName;
 108         if (m_aAttrPtr != NULL && m_aAttrPtr->children != NULL)
 109         {
 110             aName = OUString((char*)m_aAttrPtr->children->content, strlen((char*)m_aAttrPtr->children->content),
 111                 RTL_TEXTENCODING_UTF8);
 112         }
 113         return aName;
 114     }
 115
 116     /**
 117     Sets the value of the attribute from a string.
 118     */
 119     void SAL_CALL CAttr::setValue(const OUString& value)
 120         throw (RuntimeException, DOMException)
 121     {
 122         // remember old value (for mutation event)
 123         OUString sOldValue = getValue();
 124
 125         OString o1 = OUStringToOString(value, RTL_TEXTENCODING_UTF8);
 126         xmlChar* xValue = (xmlChar*)o1.getStr();
 127         // xmlChar* xName = OUStringToOString(m_aAttrPtr->name, RTL_TEXTENCODING_UTF8).getStr();
 128         // this does not work if the attribute was created anew
 129         // xmlNodePtr pNode = m_aAttrPtr->parent;
 130         // xmlSetProp(pNode, m_aAttrPtr->name, xValue);
 131         xmlChar *buffer = xmlEncodeEntitiesReentrant(m_aAttrPtr->doc, xValue);
 132         m_aAttrPtr->children = xmlStringGetNodeList(m_aAttrPtr->doc, buffer);
 133         xmlNodePtr tmp = m_aAttrPtr->children;
 134         while (tmp != NULL) {
 135             tmp->parent = (xmlNodePtr) m_aNodePtr;
 136             tmp->doc = m_aAttrPtr->doc;
 137             if (tmp->next == NULL)
 138                 m_aNodePtr->last = tmp;
 139             tmp = tmp->next;
 140         }
 141
 142         // dispatch DOM events to signal change in attribute value
 143         // dispatch DomAttrModified + DOMSubtreeModified
 144         OUString sEventName( RTL_CONSTASCII_USTRINGPARAM("DOMAttrModified") );
 145         Reference< XDocumentEvent > docevent(getOwnerDocument(), UNO_QUERY);
 146         Reference< XMutationEvent > event(docevent->createEvent(sEventName),UNO_QUERY);
 147         event->initMutationEvent(
 148                 sEventName, sal_True, sal_False,
 149                 Reference<XNode>( static_cast<XAttr*>( this ) ),
 150                 sOldValue, value, getName(), AttrChangeType_MODIFICATION );
 151         dispatchEvent(Reference< XEvent >(event, UNO_QUERY));
 152         dispatchSubtreeModified();
 153         xmlFree(buffer);
 154     }
 155
 156 }