const nsAttrValue*
nsAttrAndChildArray::GetAttr(nsIAtom* aLocalName, PRInt32 aNamespaceID) const
{
  PRUint32 i, slotCount = AttrSlotCount();
  if (aNamespaceID == kNameSpaceID_None) {
    // This should be the common case so lets make an optimized loop
    for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
      if (ATTRS(mImpl)[i].mName.Equals(aLocalName)) {
        return &ATTRS(mImpl)[i].mValue;
      }
    }

    if (mImpl && mImpl->mMappedAttrs) {
      return mImpl->mMappedAttrs->GetAttr(aLocalName);
    }
  }
  else {
    for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
      if (ATTRS(mImpl)[i].mName.Equals(aLocalName, aNamespaceID)) {
        return &ATTRS(mImpl)[i].mValue;
      }
    }
  }

  return nsnull;
}
PRInt32
nsAttrAndChildArray::IndexOfAttr(nsIAtom* aLocalName, PRInt32 aNamespaceID) const
{
  PRInt32 idx;
  if (mImpl && mImpl->mMappedAttrs) {
    idx = mImpl->mMappedAttrs->IndexOfAttr(aLocalName, aNamespaceID);
    if (idx >= 0) {
      return idx;
    }
  }

  PRUint32 i;
  PRUint32 mapped = MappedAttrCount();
  PRUint32 slotCount = AttrSlotCount();
  if (aNamespaceID == kNameSpaceID_None) {
    // This should be the common case so lets make an optimized loop
    for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
      if (ATTRS(mImpl)[i].mName.Equals(aLocalName)) {
        return i + mapped;
      }
    }
  }
  else {
    for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
      if (ATTRS(mImpl)[i].mName.Equals(aLocalName, aNamespaceID)) {
        return i + mapped;
      }
    }
  }

  return -1;
}
const nsAttrValue*
nsAttrAndChildArray::GetAttr(const nsAString& aName,
                             nsCaseTreatment aCaseSensitive) const
{
  // Check whether someone is being silly and passing non-lowercase
  // attr names.
  if (aCaseSensitive == eIgnoreCase &&
      nsContentUtils::StringContainsASCIIUpper(aName)) {
    // Try again with a lowercased name, but make sure we can't reenter this
    // block by passing eCaseSensitive for aCaseSensitive.
    nsAutoString lowercase;
    nsContentUtils::ASCIIToLower(aName, lowercase);
    return GetAttr(lowercase, eCaseMatters);
  }

  uint32_t i, slotCount = AttrSlotCount();
  for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
    if (ATTRS(mImpl)[i].mName.QualifiedNameEquals(aName)) {
      return &ATTRS(mImpl)[i].mValue;
    }
  }

  if (mImpl && mImpl->mMappedAttrs) {
    const nsAttrValue* val =
      mImpl->mMappedAttrs->GetAttr(aName);
    if (val) {
      return val;
    }
  }

  return nullptr;
}
Exemplo n.º 4
0
int
main ()
{
    char * xml;

    xml = XMLNode ("a", ATTRS({"href", "#"}, {"class", "plop"}), "%s",
                   XMLNode ("span", ATTRS({"class", "plip"}), "%s%d", "coucou", 42));

    printf("%s\n", xml);
    free(xml);
    return (0);
}
const nsAttrName*
nsAttrAndChildArray::GetExistingAttrNameFromQName(const nsAString& aName) const
{
  PRUint32 i, slotCount = AttrSlotCount();
  for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
    if (ATTRS(mImpl)[i].mName.QualifiedNameEquals(aName)) {
      return &ATTRS(mImpl)[i].mName;
    }
  }

  if (mImpl && mImpl->mMappedAttrs) {
    return mImpl->mMappedAttrs->GetExistingAttrNameFromQName(aName);
  }

  return nsnull;
}
Exemplo n.º 6
0
const nsAttrValue*
nsAttrAndChildArray::GetAttr(const nsAString& aLocalName) const
{
  uint32_t i, slotCount = AttrSlotCount();
  for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
    if (ATTRS(mImpl)[i].mName.Equals(aLocalName)) {
      return &ATTRS(mImpl)[i].mValue;
    }
  }

  if (mImpl && mImpl->mMappedAttrs) {
    return mImpl->mMappedAttrs->GetAttr(aLocalName);
  }

  return nullptr;
}
nsresult
nsAttrAndChildArray::SetAndTakeAttr(nsINodeInfo* aName, nsAttrValue& aValue)
{
  PRInt32 namespaceID = aName->NamespaceID();
  nsIAtom* localName = aName->NameAtom();
  if (namespaceID == kNameSpaceID_None) {
    return SetAndTakeAttr(localName, aValue);
  }

  PRUint32 i, slotCount = AttrSlotCount();
  for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
    if (ATTRS(mImpl)[i].mName.Equals(localName, namespaceID)) {
      ATTRS(mImpl)[i].mName.SetTo(aName);
      ATTRS(mImpl)[i].mValue.Reset();
      ATTRS(mImpl)[i].mValue.SwapValueWith(aValue);

      return NS_OK;
    }
  }

  NS_ENSURE_TRUE(i < ATTRCHILD_ARRAY_MAX_ATTR_COUNT,
                 NS_ERROR_FAILURE);

  if (i == slotCount && !AddAttrSlot()) {
    return NS_ERROR_OUT_OF_MEMORY;
  }

  new (&ATTRS(mImpl)[i].mName) nsAttrName(aName);
  new (&ATTRS(mImpl)[i].mValue) nsAttrValue();
  ATTRS(mImpl)[i].mValue.SwapValueWith(aValue);

  return NS_OK;
}
nsresult
nsAttrAndChildArray::SetAndTakeAttr(nsIAtom* aLocalName, nsAttrValue& aValue)
{
  PRUint32 i, slotCount = AttrSlotCount();
  for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
    if (ATTRS(mImpl)[i].mName.Equals(aLocalName)) {
      ATTRS(mImpl)[i].mValue.Reset();
      ATTRS(mImpl)[i].mValue.SwapValueWith(aValue);

      return NS_OK;
    }
  }

  NS_ENSURE_TRUE(i < ATTRCHILD_ARRAY_MAX_ATTR_COUNT,
                 NS_ERROR_FAILURE);

  if (i == slotCount && !AddAttrSlot()) {
    return NS_ERROR_OUT_OF_MEMORY;
  }

  new (&ATTRS(mImpl)[i].mName) nsAttrName(aLocalName);
  new (&ATTRS(mImpl)[i].mValue) nsAttrValue();
  ATTRS(mImpl)[i].mValue.SwapValueWith(aValue);

  return NS_OK;
}
const nsAttrName*
nsAttrAndChildArray::AttrNameAt(PRUint32 aPos) const
{
  NS_ASSERTION(aPos < AttrCount(),
               "out-of-bounds access in nsAttrAndChildArray");

  PRUint32 mapped = MappedAttrCount();
  if (aPos < mapped) {
    return mImpl->mMappedAttrs->NameAt(aPos);
  }

  return &ATTRS(mImpl)[aPos - mapped].mName;
}
const nsAttrValue*
nsAttrAndChildArray::AttrAt(uint32_t aPos) const
{
  NS_ASSERTION(aPos < AttrCount(),
               "out-of-bounds access in nsAttrAndChildArray");

  uint32_t mapped = MappedAttrCount();
  if (aPos < mapped) {
    return mImpl->mMappedAttrs->AttrAt(aPos);
  }

  return &ATTRS(mImpl)[aPos - mapped].mValue;
}
nsresult
nsAttrAndChildArray::RemoveAttrAt(PRUint32 aPos, nsAttrValue& aValue)
{
  NS_ASSERTION(aPos < AttrCount(), "out-of-bounds");

  PRUint32 mapped = MappedAttrCount();
  if (aPos < mapped) {
    if (mapped == 1) {
      // We're removing the last mapped attribute.  Can't swap in this
      // case; have to copy.
      aValue.SetTo(*mImpl->mMappedAttrs->AttrAt(0));
      NS_RELEASE(mImpl->mMappedAttrs);

      return NS_OK;
    }

    nsRefPtr<nsMappedAttributes> mapped;
    nsresult rv = GetModifiableMapped(nsnull, nsnull, false,
                                      getter_AddRefs(mapped));
    NS_ENSURE_SUCCESS(rv, rv);

    mapped->RemoveAttrAt(aPos, aValue);

    return MakeMappedUnique(mapped);
  }

  aPos -= mapped;
  ATTRS(mImpl)[aPos].mValue.SwapValueWith(aValue);
  ATTRS(mImpl)[aPos].~InternalAttr();

  PRUint32 slotCount = AttrSlotCount();
  memmove(&ATTRS(mImpl)[aPos],
          &ATTRS(mImpl)[aPos + 1],
          (slotCount - aPos - 1) * sizeof(InternalAttr));
  memset(&ATTRS(mImpl)[slotCount - 1], nsnull, sizeof(InternalAttr));

  return NS_OK;
}
bool
nsAttrAndChildArray::AddAttrSlot()
{
  PRUint32 slotCount = AttrSlotCount();
  PRUint32 childCount = ChildCount();

  // Grow buffer if needed
  if (!(mImpl && mImpl->mBufferSize >= (slotCount + 1) * ATTRSIZE + childCount) &&
      !GrowBy(ATTRSIZE)) {
    return false;
  }
  void** offset = mImpl->mBuffer + slotCount * ATTRSIZE;

  if (childCount > 0) {
    memmove(&ATTRS(mImpl)[slotCount + 1], &ATTRS(mImpl)[slotCount],
            childCount * sizeof(nsIContent*));
  }

  SetAttrSlotCount(slotCount + 1);
  offset[0] = nsnull;
  offset[1] = nsnull;

  return true;
}
size_t
nsAttrAndChildArray::SizeOfExcludingThis(nsMallocSizeOfFun aMallocSizeOf) const
{
  size_t n = 0;
  if (mImpl) {
    // Don't add the size taken by *mMappedAttrs because it's shared.

    n += aMallocSizeOf(mImpl);

    PRUint32 slotCount = AttrSlotCount();
    for (PRUint32 i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
      nsAttrValue* value = &ATTRS(mImpl)[i].mValue;
      n += value->SizeOfExcludingThis(aMallocSizeOf);
    }
  }

  return n;
}
void
nsAttrAndChildArray::Clear()
{
  if (!mImpl) {
    return;
  }

  if (mImpl->mMappedAttrs) {
    NS_RELEASE(mImpl->mMappedAttrs);
  }

  PRUint32 i, slotCount = AttrSlotCount();
  for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
    ATTRS(mImpl)[i].~InternalAttr();
  }

  nsAutoScriptBlocker scriptBlocker;
  PRUint32 end = slotCount * ATTRSIZE + ChildCount();
  for (i = slotCount * ATTRSIZE; i < end; ++i) {
    nsIContent* child = static_cast<nsIContent*>(mImpl->mBuffer[i]);
    // making this false so tree teardown doesn't end up being
    // O(N*D) (number of nodes times average depth of tree).
    child->UnbindFromTree(false); // XXX is it better to let the owner do this?
    // Make sure to unlink our kids from each other, since someone
    // else could stil be holding references to some of them.

    // XXXbz We probably can't push this assignment down into the |aNullParent|
    // case of UnbindFromTree because we still need the assignment in
    // RemoveChildAt.  In particular, ContentRemoved fires between
    // RemoveChildAt and UnbindFromTree, and in ContentRemoved the sibling
    // chain needs to be correct.  Though maybe we could set the prev and next
    // to point to each other but keep the kid being removed pointing to them
    // through ContentRemoved so consumers can find where it used to be in the
    // list?
    child->mPreviousSibling = child->mNextSibling = nsnull;
    NS_RELEASE(child);
  }

  SetAttrSlotAndChildCount(0, 0);
}
PRInt64
nsAttrAndChildArray::SizeOf() const
{
  PRInt64 size = sizeof(*this);

  if (mImpl) {
    // Don't add the size taken by *mMappedAttrs because it's shared.

    // mBuffer cointains InternalAttr and nsIContent* (even if it's void**)
    // so, we just have to compute the size of *mBuffer given that this object
    // doesn't own the children list.
    size += mImpl->mBufferSize * sizeof(*(mImpl->mBuffer)) + NS_IMPL_EXTRA_SIZE;

    PRUint32 slotCount = AttrSlotCount();
    for (PRUint32 i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
      nsAttrValue* value = &ATTRS(mImpl)[i].mValue;
      size += value->SizeOf() - sizeof(*value);
    }
  }

  return size;
}