XMLElementImpl::XMLElementImpl(DocumentPtr *doc, DOMStringImpl *_qualifiedName, DOMStringImpl *_namespaceURI)
: ElementImpl(doc)
{
int colonpos = -1;
for (uint i = 0; i < _qualifiedName->l; ++i)
if (_qualifiedName->s[i] == ':') {
colonpos = i;
break;
}
if (colonpos >= 0) {
// we have a prefix
DOMStringImpl* localName = _qualifiedName->copy();
localName->ref();
localName->remove(0,colonpos+1);
m_id = doc->document()->tagId(_namespaceURI, localName, false /* allocate */);
localName->deref();
m_prefix = _qualifiedName->copy();
m_prefix->ref();
m_prefix->truncate(colonpos);
}
else {
// no prefix
m_id = doc->document()->tagId(_namespaceURI, _qualifiedName, false /* allocate */);
m_prefix = 0;
}
}
void CharacterDataImpl::detachString()
{
// make a copy of our string so as not to interfere with other texts that use it
DOMStringImpl *newStr = str->copy();
newStr->ref();
str->deref();
str = newStr;
}
void IDTableBase::addHiddenMapping(unsigned id, const DOMString& name)
{
DOMStringImpl* nameImpl = name.implementation();
if (nameImpl) nameImpl->ref();
if (id >= m_mappings.size())
m_mappings.resize(id + 1);
m_mappings[id] = Mapping(nameImpl);
m_mappings[id].refCount = 1; // Pin it.
}
void CharacterDataImpl::dispatchModifiedEvent(DOMStringImpl *prevValue)
{
if (parentNode())
parentNode()->childrenChanged();
if (!getDocument()->hasListenerType(DocumentImpl::DOMCHARACTERDATAMODIFIED_LISTENER))
return;
DOMStringImpl *newValue = str->copy();
newValue->ref();
int exceptioncode = 0;
MutationEventImpl* const evt = new MutationEventImpl(EventImpl::DOMCHARACTERDATAMODIFIED_EVENT,true,false,0,prevValue,newValue,DOMString(),0);
evt->ref();
dispatchEvent(evt,exceptioncode);
evt->deref();
newValue->deref();
dispatchSubtreeModifiedEvent();
}
void RenderStyle::setContent(DOMStringImpl* s, bool add)
{
if (!s)
return; // The string is null. Nothing to do. Just bail.
ContentData* lastContent = content;
while (lastContent && lastContent->_nextContent)
lastContent = lastContent->_nextContent;
bool reuseContent = !add;
if (add) {
if (!lastContent)
return; // Something's wrong. We had no previous content, and we should have.
if (lastContent->_contentType == CONTENT_TEXT) {
// We can augment the existing string and share this ContentData node.
DOMStringImpl* oldStr = lastContent->_content.text;
DOMStringImpl* newStr = oldStr->copy();
newStr->ref();
oldStr->deref();
newStr->append(s);
lastContent->_content.text = newStr;
return;
}
}
ContentData* newContentData = 0;
if (reuseContent && content) {
content->clearContent();
newContentData = content;
}
else
newContentData = new ContentData;
if (lastContent && !reuseContent)
lastContent->_nextContent = newContentData;
else
content = newContentData;
newContentData->_content.text = s;
newContentData->_content.text->ref();
newContentData->_contentType = CONTENT_TEXT;
}
void RenderStyle::addContent(DOM::DOMStringImpl *s)
{
if(!s)
return; // The string is null. Nothing to do. Just bail.
StyleGeneratedData *t_generated = generated.access();
ContentData *lastContent = t_generated->content;
while(lastContent && lastContent->_nextContent)
lastContent = lastContent->_nextContent;
if(lastContent)
{
if(lastContent->_contentType == CONTENT_TEXT)
{
// We can augment the existing string and share this ContentData node.
DOMStringImpl *oldStr = lastContent->_content.text;
DOMStringImpl *newStr = oldStr->copy();
newStr->ref();
oldStr->deref();
newStr->append(s);
lastContent->_content.text = newStr;
return;
}
}
ContentData *newContentData = new ContentData;
if(lastContent)
lastContent->_nextContent = newContentData;
else
t_generated->content = newContentData;
newContentData->_content.text = s;
newContentData->_content.text->ref();
newContentData->_contentType = CONTENT_TEXT;
}
void CharacterDataImpl::dispatchModifiedEvent(DOMStringImpl *prevValue)
{
if (parentNode())
parentNode()->childrenChanged();
if ((str->length() == 0) != (prevValue->length() == 0)) {
// changes in emptiness triggers changes in :empty selector
if (parentNode() && parentNode()->isElementNode())
parentNode()->backwardsStructureChanged();
// ### to fully support dynamic changes to :contains selector
// backwardsStructureChanged should be called for all changes
}
if (!document()->hasListenerType(DocumentImpl::DOMCHARACTERDATAMODIFIED_LISTENER))
return;
DOMStringImpl *newValue = str->copy();
newValue->ref();
int exceptioncode = 0;
MutationEventImpl* const evt = new MutationEventImpl(EventImpl::DOMCHARACTERDATAMODIFIED_EVENT,true,false,0,prevValue,newValue,DOMString(),0);
evt->ref();
dispatchEvent(evt,exceptioncode);
evt->deref();
newValue->deref();
dispatchSubtreeModifiedEvent();
}
unsigned short IDTableBase::grabId(DOMStringImpl* origName, CaseNormalizeMode cnm)
{
unsigned short newId;
// Check for existing one, ignoring case if needed
IDTableBase::MappingKey::caseNormalizationMode = cnm;
QHash<MappingKey, unsigned short>::const_iterator i = m_mappingLookup.constFind(origName);
if (i != m_mappingLookup.constEnd()) {
newId = *i;
refId(newId);
return newId;
}
// Nope. Allocate new ID. If there is normalization going on, we may now have to
// update our case so the canonical mapping is of the expected case. We
// may also have to deep-copy
DOMStringImpl* name;
switch (cnm) {
case IDS_CaseSensitive:
if (origName->m_shallowCopy) {
// Create a new copy of the data since we may be extending its
// lifetime indefinitely
name = new DOMStringImpl(origName->s, origName->l);
name->m_hash = origName->m_hash;
} else {
name = origName;
}
break;
case IDS_NormalizeUpper:
name = origName->upper();
break;
case IDS_NormalizeLower:
name = origName->lower();
break;
}
name->ref();
if (!m_idFreeList.isEmpty()) {
// Grab from freelist..
newId = m_idFreeList.last();
m_idFreeList.removeLast();
m_mappings[newId].name = name;
} else {
// Make a new one --- if we can (we keep one spot for "last resort" mapping)
if (m_mappings.size() < 0xFFFE) {
m_mappings.append(Mapping(name));
newId = m_mappings.size() - 1;
} else {
// We ran out of resources. Did we add a fallback mapping yet?
// We use the same one for everything; and don't even keep track
// of what it may go to, as we will have no way of freeing
// the aliases. In particular, this means we no longer need the name..
name->deref();
if (m_mappings.size() == 0xFFFE) {
// Need a new mapping..
name = new DOMStringImpl("_khtml_fallback");
m_mappings.append(Mapping(name));
m_mappings[0xFFFF].refCount = 1; // pin it.
name->ref();
} else {
name = m_mappings[0xFFFF].name; // No need to ref the name
// here as the entry is eternal anyway
}
newId = 0xFFFF;
}
}
m_mappingLookup[name] = newId;
refId(newId);
return newId;
}
