#include "config.h"
#include "ContentData.h"
#include "CounterContent.h"
#include "StringImpl.h"
#include "StyleImage.h"
namespace WebCore {
void ContentData::clear()
{
deleteContent();
ContentData* n = m_next;
m_next = 0;
ContentData* last = 0;
ContentData* c;
while ((c = n)) {
n = c->m_next;
c->m_next = last;
last = c;
}
for (c = last; c; c = n) {
n = c->m_next;
c->m_next = 0;
delete c;
}
}
bool ContentData::dataEquivalent(const ContentData& other) const
{
if (type() != other.type())
return false;
switch (type()) {
case CONTENT_NONE:
return true;
break;
case CONTENT_TEXT:
return equal(text(), other.text());
break;
case CONTENT_OBJECT:
return StyleImage::imagesEquivalent(image(), other.image());
break;
case CONTENT_COUNTER:
return *counter() == *other.counter();
break;
}
ASSERT_NOT_REACHED();
return false;
}
void ContentData::deleteContent()
{
switch (m_type) {
case CONTENT_NONE:
break;
case CONTENT_OBJECT:
m_content.m_image->deref();
break;
case CONTENT_TEXT:
m_content.m_text->deref();
break;
case CONTENT_COUNTER:
delete m_content.m_counter;
break;
}
m_type = CONTENT_NONE;
}
}