NS_IMETHODIMP
nsHTMLContentSerializer::AppendElementStart(nsIDOMElement *aElement,
nsIDOMElement *aOriginalElement,
nsAString& aStr)
{
NS_ENSURE_ARG(aElement);
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
if (!content) return NS_ERROR_FAILURE;
// The _moz_dirty attribute is emitted by the editor to
// indicate that this element should be pretty printed
// even if we're not in pretty printing mode
PRBool hasDirtyAttr = content->HasAttr(kNameSpaceID_None,
nsGkAtoms::mozdirty);
nsIAtom *name = content->Tag();
if (name == nsGkAtoms::br && mPreLevel > 0
&& (mFlags & nsIDocumentEncoder::OutputNoFormattingInPre)) {
AppendToString(mLineBreak, aStr);
mMayIgnoreLineBreakSequence = PR_TRUE;
mColPos = 0;
return NS_OK;
}
if (name == nsGkAtoms::body) {
mInBody = PR_TRUE;
}
if (LineBreakBeforeOpen(name, hasDirtyAttr)) {
AppendToString(mLineBreak, aStr);
mMayIgnoreLineBreakSequence = PR_TRUE;
mColPos = 0;
mAddSpace = PR_FALSE;
}
else if (mAddSpace) {
AppendToString(PRUnichar(' '), aStr);
mAddSpace = PR_FALSE;
}
else {
MaybeAddNewline(aStr);
}
// Always reset to avoid false newlines in case MaybeAddNewline wasn't
// called
mAddNewline = PR_FALSE;
StartIndentation(name, hasDirtyAttr, aStr);
if (name == nsGkAtoms::pre ||
name == nsGkAtoms::script ||
name == nsGkAtoms::style) {
mPreLevel++;
}
AppendToString(kLessThan, aStr);
nsAutoString nameStr;
name->ToString(nameStr);
AppendToString(nameStr.get(), -1, aStr);
// Need to keep track of OL and LI elements in order to get ordinal number
// for the LI.
if (mIsCopying && name == nsGkAtoms::ol) {
// We are copying and current node is an OL;
// Store it's start attribute value in olState->startVal.
nsAutoString start;
PRInt32 startAttrVal = 0;
aElement->GetAttribute(NS_LITERAL_STRING("start"), start);
if (!start.IsEmpty()) {
PRInt32 rv = 0;
startAttrVal = start.ToInteger(&rv);
//If OL has "start" attribute, first LI element has to start with that value
//Therefore subtracting 1 as all the LI elements are incrementing it before using it;
//In failure of ToInteger(), default StartAttrValue to 0.
if (NS_SUCCEEDED(rv))
startAttrVal--;
else
startAttrVal = 0;
}
olState* state = new olState(startAttrVal, PR_TRUE);
if (state)
mOLStateStack.AppendElement(state);
}
if (mIsCopying && name == nsGkAtoms::li) {
mIsFirstChildOfOL = IsFirstChildOfOL(aOriginalElement);
if (mIsFirstChildOfOL) {
// If OL is parent of this LI, serialize attributes in different manner.
SerializeLIValueAttribute(aElement, aStr);
}
}
// Even LI passed above have to go through this
// for serializing attributes other than "value".
SerializeAttributes(content, name, aStr);
AppendToString(kGreaterThan, aStr);
if (LineBreakAfterOpen(name, hasDirtyAttr)) {
AppendToString(mLineBreak, aStr);
mMayIgnoreLineBreakSequence = PR_TRUE;
mColPos = 0;
}
if (name == nsGkAtoms::script ||
name == nsGkAtoms::style ||
name == nsGkAtoms::noscript ||
name == nsGkAtoms::noframes) {
mInCDATA = PR_TRUE;
}
if (mIsWholeDocument && name == nsGkAtoms::head) {
// Check if there already are any content-type meta children.
// If there are, they will be modified to use the correct charset.
// If there aren't, we'll insert one here.
PRBool hasMeta = PR_FALSE;
PRUint32 i, childCount = content->GetChildCount();
for (i = 0; i < childCount; ++i) {
nsIContent* child = content->GetChildAt(i);
if (child->IsNodeOfType(nsINode::eHTML) &&
child->Tag() == nsGkAtoms::meta &&
child->HasAttr(kNameSpaceID_None, nsGkAtoms::content)) {
nsAutoString header;
child->GetAttr(kNameSpaceID_None, nsGkAtoms::httpEquiv, header);
if (header.LowerCaseEqualsLiteral("content-type")) {
hasMeta = PR_TRUE;
break;
}
}
}
if (!hasMeta) {
AppendToString(mLineBreak, aStr);
AppendToString(NS_LITERAL_STRING("<meta http-equiv=\"content-type\""),
aStr);
AppendToString(NS_LITERAL_STRING(" content=\"text/html; charset="), aStr);
AppendToString(NS_ConvertASCIItoUTF16(mCharset), aStr);
AppendToString(NS_LITERAL_STRING("\">"), aStr);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsHTMLContentSerializer::AppendElementStart(nsIDOMElement *aElement,
PRBool aHasChildren,
nsAString& aStr)
{
NS_ENSURE_ARG(aElement);
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
if (!content) return NS_ERROR_FAILURE;
// The _moz_dirty attribute is emitted by the editor to
// indicate that this element should be pretty printed
// even if we're not in pretty printing mode
PRBool hasDirtyAttr = content->HasAttr(kNameSpaceID_None,
nsLayoutAtoms::mozdirty);
nsIAtom *name = content->Tag();
if (name == nsHTMLAtoms::br && mPreLevel > 0
&& (mFlags & nsIDocumentEncoder::OutputNoFormattingInPre)) {
AppendToString(mLineBreak, aStr);
mMayIgnoreLineBreakSequence = PR_TRUE;
mColPos = 0;
return NS_OK;
}
if (name == nsHTMLAtoms::body) {
mInBody = PR_TRUE;
}
if (LineBreakBeforeOpen(name, hasDirtyAttr)) {
AppendToString(mLineBreak, aStr);
mMayIgnoreLineBreakSequence = PR_TRUE;
mColPos = 0;
mAddSpace = PR_FALSE;
}
else if (mAddSpace) {
AppendToString(PRUnichar(' '), aStr);
mAddSpace = PR_FALSE;
}
else {
MaybeAddNewline(aStr);
}
// Always reset to avoid false newlines in case MaybeAddNewline wasn't
// called
mAddNewline = PR_FALSE;
StartIndentation(name, hasDirtyAttr, aStr);
if (name == nsHTMLAtoms::pre ||
name == nsHTMLAtoms::script ||
name == nsHTMLAtoms::style) {
mPreLevel++;
}
AppendToString(kLessThan, aStr);
nsAutoString nameStr;
name->ToString(nameStr);
AppendToString(nameStr.get(), -1, aStr);
// Need to keep track of OL and LI elements in order to get ordinal number
// for the LI.
if (mIsCopying && name == nsHTMLAtoms::ol){
// We are copying and current node is an OL;
// Store it's start attribute value in olState->startVal.
nsAutoString start;
PRInt32 startAttrVal = 0;
aElement->GetAttribute(NS_LITERAL_STRING("start"), start);
if (!start.IsEmpty()){
PRInt32 rv = 0;
startAttrVal = start.ToInteger(&rv);
//If OL has "start" attribute, first LI element has to start with that value
//Therefore subtracting 1 as all the LI elements are incrementing it before using it;
//In failure of ToInteger(), default StartAttrValue to 0.
if (NS_SUCCEEDED(rv))
startAttrVal--;
else
startAttrVal = 0;
}
olState* state = new olState(startAttrVal, PR_TRUE);
if (state)
mOLStateStack.AppendElement(state);
}
if (mIsCopying && name == nsHTMLAtoms::li) {
mIsFirstChildOfOL = IsFirstChildOfOL(aElement);
if (mIsFirstChildOfOL){
// If OL is parent of this LI, serialize attributes in different manner.
SerializeLIValueAttribute(aElement, aStr);
}
}
// Even LI passed above have to go through this
// for serializing attributes other than "value".
SerializeAttributes(content, name, aStr);
AppendToString(kGreaterThan, aStr);
if (LineBreakAfterOpen(name, hasDirtyAttr)) {
AppendToString(mLineBreak, aStr);
mMayIgnoreLineBreakSequence = PR_TRUE;
mColPos = 0;
}
if (name == nsHTMLAtoms::script ||
name == nsHTMLAtoms::style ||
name == nsHTMLAtoms::noscript ||
name == nsHTMLAtoms::noframes) {
mInCDATA = PR_TRUE;
}
return NS_OK;
}