зеркало из https://github.com/mozilla/pjs.git
fixing up start/end setters, other details
This commit is contained in:
jfrancis%netscape.com
Родитель
b978829b9e
Коммит
f3a0df7ba8
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@ -90,12 +90,20 @@ private:
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nsIDOMNode *mEndParent;
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PRInt32 mStartOffset;
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PRInt32 mEndOffset;
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nsIDOMNode *mCachedStartNode;
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nsIDOMNode *mCachedEndNode;
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nsVoidArray *mStartAncestors;
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nsVoidArray *mEndAncestors;
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nsVoidArray *mStartAncestorOffsets;
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nsVoidArray *mEndAncestorOffsets;
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PRBool IsIncreasing();
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PRBool InSameDoc(nsIDOMNode* aNode1, nsIDOMNode* aNode2);
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nsresult DoSetRange(nsIDOMNode* aStartN, PRInt32 aStartOffset,
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nsIDOMNode* aEndN, PRInt32 aEndOffset);
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PRBool IsIncreasing(nsIDOMNode* aStartN, PRInt32 aStartOff,
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nsIDOMNode* aEndN, PRInt32 aEndOff);
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PRBool IsPointInRange(nsIDOMNode* pParent, PRInt32 pOffset);
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@ -126,10 +134,12 @@ nsRange::nsRange()
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NS_INIT_REFCNT();
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mIsPositioned = PR_FALSE;
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nsIDOMNode* mStartParent = nsnull;
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PRInt32 mStartOffset = 0;
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nsIDOMNode* mEndParent = nsnull;
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PRInt32 mEndOffset = 0;
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mStartParent = nsnull;
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mStartOffset = 0;
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mEndParent = nsnull;
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mEndOffset = 0;
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mCachedStartNode = nsnull;
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mCachedEndNode = nsnull;
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mStartAncestors = nsnull;
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mEndAncestors = nsnull;
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mStartAncestorOffsets = nsnull;
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@ -176,7 +186,36 @@ nsresult nsRange::QueryInterface(const nsIID& aIID,
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* Private helper routines
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******************************************************/
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PRBool nsRange::IsIncreasing()
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PRBool nsRange::InSameDoc(nsIDOMNode* aNode1, nsIDOMNode* aNode2)
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{
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// XXX NEED IMPLEMENTATION!
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return PR_TRUE;
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}
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nsresult nsRange::DoSetRange(nsIDOMNode* aStartN, PRInt32 aStartOffset,
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nsIDOMNode* aEndN, PRInt32 aEndOffset)
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{
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if (mStartParent != aStartN)
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{
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NS_IF_RELEASE(mStartParent);
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mStartParent = aStartN;
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NS_ADDREF(mStartParent);
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}
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mStartOffset = aStartOffset;
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if (mEndParent != aEndN)
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{
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NS_IF_RELEASE(mEndParent);
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mEndParent = aEndN;
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NS_ADDREF(mEndParent);
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}
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mEndOffset = aEndOffset;
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return NS_OK;
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}
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PRBool nsRange::IsIncreasing(nsIDOMNode* aStartN, PRInt32 aStartOffset,
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nsIDOMNode* aEndN, PRInt32 aEndOffset)
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{
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PRInt32 numStartAncestors = 0;
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PRInt32 numEndAncestors = 0;
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@ -184,33 +223,44 @@ PRBool nsRange::IsIncreasing()
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PRInt32 commonNodeEndOffset = 0;
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// no trivial cases please
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if (!mStartParent || !mEndParent) return PR_FALSE;
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if (!aStartN || !aEndN) return PR_FALSE;
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// check common case first
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if (mStartParent==mEndParent)
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if (aStartN==aEndN)
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{
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if (mStartOffset>mEndOffset) return PR_FALSE;
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if (aStartOffset>aEndOffset) return PR_FALSE;
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else return PR_TRUE;
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}
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// lazy refreshing of cached ancestor data
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if (!mStartAncestors)
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if (!mStartAncestors || (mCachedStartNode != aStartN))
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{
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if (mStartAncestors)
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{
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delete mStartAncestors;
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delete mStartAncestorOffsets;
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}
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mStartAncestors = new nsVoidArray();
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mStartAncestorOffsets = new nsVoidArray();
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numStartAncestors = GetAncestorsAndOffsets(mStartParent,mStartOffset,mStartAncestors,mStartAncestorOffsets);
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numStartAncestors = GetAncestorsAndOffsets(aStartN,aStartOffset,mStartAncestors,mStartAncestorOffsets);
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mCachedStartNode = aStartN;
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}
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else numStartAncestors = mStartAncestors->Count();
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if (!mEndAncestors)
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if (!mEndAncestors || (mCachedEndNode != aEndN))
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{
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if (mEndAncestors)
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{
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delete mEndAncestors;
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delete mEndAncestorOffsets;
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}
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mEndAncestors = new nsVoidArray();
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mEndAncestorOffsets = new nsVoidArray();
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numEndAncestors = GetAncestorsAndOffsets(mEndParent,mEndOffset,mEndAncestors,mEndAncestorOffsets);
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numEndAncestors = GetAncestorsAndOffsets(aEndN,aEndOffset,mEndAncestors,mEndAncestorOffsets);
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mCachedEndNode = aEndN;
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}
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else numEndAncestors = mEndAncestors->Count();
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// first different ancestor found.
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--numStartAncestors; // adjusting for 0-based counting
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--numEndAncestors;
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// back through the ancestors, starting from the root, until first non-matching ancestor found
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@ -456,19 +506,6 @@ nsresult nsRange::GetStartParent(nsIDOMNode** aStartParent)
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return NS_OK;
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}
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nsresult nsRange::SetStartParent(nsIDOMNode* aStartParent)
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{
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if (!mIsPositioned)
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return NS_ERROR_NOT_INITIALIZED;
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if (!IsIncreasing())
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return NS_ERROR_ILLEGAL_VALUE;
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NS_IF_RELEASE(mStartParent);
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NS_IF_ADDREF(aStartParent);
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mStartParent = aStartParent;
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return NS_OK;
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}
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nsresult nsRange::GetStartOffset(PRInt32* aStartOffset)
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{
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if (!mIsPositioned)
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@ -479,17 +516,6 @@ nsresult nsRange::GetStartOffset(PRInt32* aStartOffset)
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return NS_OK;
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}
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nsresult nsRange::SetStartOffset(PRInt32 aStartOffset)
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{
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if (!mIsPositioned)
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return NS_ERROR_NOT_INITIALIZED;
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if (!IsIncreasing())
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return NS_ERROR_ILLEGAL_VALUE;
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mStartOffset = aStartOffset;
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return NS_OK;
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}
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nsresult nsRange::GetEndParent(nsIDOMNode** aEndParent)
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{
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if (!mIsPositioned)
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@ -502,19 +528,6 @@ nsresult nsRange::GetEndParent(nsIDOMNode** aEndParent)
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return NS_OK;
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}
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nsresult nsRange::SetEndParent(nsIDOMNode* aEndParent)
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{
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if (!mIsPositioned)
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return NS_ERROR_NOT_INITIALIZED;
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if (!IsIncreasing())
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return NS_ERROR_ILLEGAL_VALUE;
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NS_IF_RELEASE(mEndParent);
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NS_IF_ADDREF(aEndParent);
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mEndParent = aEndParent;
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return NS_OK;
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}
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nsresult nsRange::GetEndOffset(PRInt32* aEndOffset)
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{
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if (!mIsPositioned)
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@ -525,17 +538,6 @@ nsresult nsRange::GetEndOffset(PRInt32* aEndOffset)
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return NS_OK;
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}
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nsresult nsRange::SetEndOffset(PRInt32 aEndOffset)
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{
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if (!mIsPositioned)
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return NS_ERROR_NOT_INITIALIZED;
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if (!IsIncreasing())
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return NS_ERROR_ILLEGAL_VALUE;
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mEndOffset = aEndOffset;
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return NS_OK;
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}
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nsresult nsRange::GetIsCollapsed(PRBool* aIsCollapsed)
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{
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if (!mIsPositioned)
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@ -556,28 +558,48 @@ nsresult nsRange::GetCommonParent(nsIDOMNode** aCommonParent)
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nsresult nsRange::SetStart(nsIDOMNode* aParent, PRInt32 aOffset)
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{
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if (!mIsPositioned)
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nsresult res;
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if (!aParent) return NS_ERROR_NULL_POINTER;
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// must be in same document as endpoint, else
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// endpoint is collapsed to new start.
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if (mIsPositioned && !InSameDoc(aParent,mEndParent))
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{
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NS_IF_RELEASE(mEndParent);
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mEndParent = NULL;
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mEndOffset = NULL;
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mIsPositioned = PR_TRUE;
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res = DoSetRange(aParent,aOffset,aParent,aOffset);
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return res;
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}
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NS_IF_ADDREF(aParent);
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mStartParent = aParent;
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mStartOffset = aOffset;
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return NS_OK;
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// start must be before end
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if (mIsPositioned && !IsIncreasing(aParent,aOffset,mEndParent,mEndOffset))
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return NS_ERROR_ILLEGAL_VALUE;
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// if it's in an attribute node, end must be in or descended from same node
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// (haven't done this one yet)
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res = DoSetRange(aParent,aOffset,mEndParent,mEndOffset);
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return res;
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}
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nsresult nsRange::SetEnd(nsIDOMNode* aParent, PRInt32 aOffset)
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{
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if (!mIsPositioned)
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return NS_ERROR_NOT_INITIALIZED; // can't set end before start
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nsresult res;
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NS_IF_ADDREF(aParent);
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mEndParent = aParent;
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mEndOffset = aOffset;
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return NS_OK;
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if (!aParent) return NS_ERROR_NULL_POINTER;
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// must be in same document as startpoint, else
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// endpoint is collapsed to new end.
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if (mIsPositioned && !InSameDoc(aParent,mEndParent))
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{
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res = DoSetRange(aParent,aOffset,aParent,aOffset);
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return res;
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}
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// start must be before end
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if (mIsPositioned && !IsIncreasing(mStartParent,mStartOffset,aParent,aOffset))
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return NS_ERROR_ILLEGAL_VALUE;
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// if it's in an attribute node, start must be in or descended from same node
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// (haven't done this one yet)
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res = DoSetRange(mStartParent,mStartOffset,aParent,aOffset);
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return res;
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}
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nsresult nsRange::Collapse(PRBool aToStart)
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@ -670,14 +692,24 @@ nsresult nsRange::ToString(nsString& aReturn)
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//
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// We don't actually want to allow setting this ...
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// it should be set only by actually positioning the range.
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// These are all read only attributes that the idl
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// is generating setters for
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//
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nsresult nsRange::SetIsPositioned(PRBool aIsPositioned)
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{ return NS_ERROR_NOT_IMPLEMENTED; }
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//
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// Various other things which we don't want to implement yet:
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//
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nsresult nsRange::SetStartParent(nsIDOMNode* aNode)
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{ return NS_ERROR_NOT_IMPLEMENTED; }
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nsresult nsRange::SetStartOffset(PRInt32 aOffset)
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{ return NS_ERROR_NOT_IMPLEMENTED; }
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nsresult nsRange::SetEndParent(nsIDOMNode* aNode)
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{ return NS_ERROR_NOT_IMPLEMENTED; }
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nsresult nsRange::SetEndOffset(PRInt32 aOffset)
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{ return NS_ERROR_NOT_IMPLEMENTED; }
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nsresult nsRange::SetIsCollapsed(PRBool aIsCollapsed)
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{ return NS_ERROR_NOT_IMPLEMENTED; }
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@ -90,12 +90,20 @@ private:
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nsIDOMNode *mEndParent;
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PRInt32 mStartOffset;
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PRInt32 mEndOffset;
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nsIDOMNode *mCachedStartNode;
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nsIDOMNode *mCachedEndNode;
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nsVoidArray *mStartAncestors;
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nsVoidArray *mEndAncestors;
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nsVoidArray *mStartAncestorOffsets;
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nsVoidArray *mEndAncestorOffsets;
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PRBool IsIncreasing();
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PRBool InSameDoc(nsIDOMNode* aNode1, nsIDOMNode* aNode2);
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nsresult DoSetRange(nsIDOMNode* aStartN, PRInt32 aStartOffset,
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nsIDOMNode* aEndN, PRInt32 aEndOffset);
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PRBool IsIncreasing(nsIDOMNode* aStartN, PRInt32 aStartOff,
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nsIDOMNode* aEndN, PRInt32 aEndOff);
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PRBool IsPointInRange(nsIDOMNode* pParent, PRInt32 pOffset);
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@ -126,10 +134,12 @@ nsRange::nsRange()
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NS_INIT_REFCNT();
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mIsPositioned = PR_FALSE;
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nsIDOMNode* mStartParent = nsnull;
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PRInt32 mStartOffset = 0;
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nsIDOMNode* mEndParent = nsnull;
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PRInt32 mEndOffset = 0;
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mStartParent = nsnull;
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mStartOffset = 0;
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mEndParent = nsnull;
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mEndOffset = 0;
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mCachedStartNode = nsnull;
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mCachedEndNode = nsnull;
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mStartAncestors = nsnull;
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mEndAncestors = nsnull;
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mStartAncestorOffsets = nsnull;
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@ -176,7 +186,36 @@ nsresult nsRange::QueryInterface(const nsIID& aIID,
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* Private helper routines
|
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******************************************************/
|
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PRBool nsRange::IsIncreasing()
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PRBool nsRange::InSameDoc(nsIDOMNode* aNode1, nsIDOMNode* aNode2)
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{
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// XXX NEED IMPLEMENTATION!
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return PR_TRUE;
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}
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nsresult nsRange::DoSetRange(nsIDOMNode* aStartN, PRInt32 aStartOffset,
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nsIDOMNode* aEndN, PRInt32 aEndOffset)
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{
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if (mStartParent != aStartN)
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{
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NS_IF_RELEASE(mStartParent);
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mStartParent = aStartN;
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NS_ADDREF(mStartParent);
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}
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mStartOffset = aStartOffset;
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if (mEndParent != aEndN)
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{
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NS_IF_RELEASE(mEndParent);
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mEndParent = aEndN;
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NS_ADDREF(mEndParent);
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}
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mEndOffset = aEndOffset;
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return NS_OK;
|
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}
|
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PRBool nsRange::IsIncreasing(nsIDOMNode* aStartN, PRInt32 aStartOffset,
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nsIDOMNode* aEndN, PRInt32 aEndOffset)
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{
|
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PRInt32 numStartAncestors = 0;
|
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PRInt32 numEndAncestors = 0;
|
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|
|
@ -184,33 +223,44 @@ PRBool nsRange::IsIncreasing()
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PRInt32 commonNodeEndOffset = 0;
|
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|
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// no trivial cases please
|
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if (!mStartParent || !mEndParent) return PR_FALSE;
|
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if (!aStartN || !aEndN) return PR_FALSE;
|
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|
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// check common case first
|
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if (mStartParent==mEndParent)
|
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if (aStartN==aEndN)
|
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{
|
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if (mStartOffset>mEndOffset) return PR_FALSE;
|
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if (aStartOffset>aEndOffset) return PR_FALSE;
|
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else return PR_TRUE;
|
||||
}
|
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|
||||
// lazy refreshing of cached ancestor data
|
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if (!mStartAncestors)
|
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if (!mStartAncestors || (mCachedStartNode != aStartN))
|
||||
{
|
||||
if (mStartAncestors)
|
||||
{
|
||||
delete mStartAncestors;
|
||||
delete mStartAncestorOffsets;
|
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}
|
||||
mStartAncestors = new nsVoidArray();
|
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mStartAncestorOffsets = new nsVoidArray();
|
||||
numStartAncestors = GetAncestorsAndOffsets(mStartParent,mStartOffset,mStartAncestors,mStartAncestorOffsets);
|
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numStartAncestors = GetAncestorsAndOffsets(aStartN,aStartOffset,mStartAncestors,mStartAncestorOffsets);
|
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mCachedStartNode = aStartN;
|
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}
|
||||
else numStartAncestors = mStartAncestors->Count();
|
||||
|
||||
if (!mEndAncestors)
|
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if (!mEndAncestors || (mCachedEndNode != aEndN))
|
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{
|
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if (mEndAncestors)
|
||||
{
|
||||
delete mEndAncestors;
|
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delete mEndAncestorOffsets;
|
||||
}
|
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mEndAncestors = new nsVoidArray();
|
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mEndAncestorOffsets = new nsVoidArray();
|
||||
numEndAncestors = GetAncestorsAndOffsets(mEndParent,mEndOffset,mEndAncestors,mEndAncestorOffsets);
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numEndAncestors = GetAncestorsAndOffsets(aEndN,aEndOffset,mEndAncestors,mEndAncestorOffsets);
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mCachedEndNode = aEndN;
|
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}
|
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else numEndAncestors = mEndAncestors->Count();
|
||||
|
||||
// first different ancestor found.
|
||||
--numStartAncestors; // adjusting for 0-based counting
|
||||
--numEndAncestors;
|
||||
// back through the ancestors, starting from the root, until first non-matching ancestor found
|
||||
|
|
@ -456,19 +506,6 @@ nsresult nsRange::GetStartParent(nsIDOMNode** aStartParent)
|
|||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult nsRange::SetStartParent(nsIDOMNode* aStartParent)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
return NS_ERROR_NOT_INITIALIZED;
|
||||
if (!IsIncreasing())
|
||||
return NS_ERROR_ILLEGAL_VALUE;
|
||||
|
||||
NS_IF_RELEASE(mStartParent);
|
||||
NS_IF_ADDREF(aStartParent);
|
||||
mStartParent = aStartParent;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult nsRange::GetStartOffset(PRInt32* aStartOffset)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
|
|
@ -479,17 +516,6 @@ nsresult nsRange::GetStartOffset(PRInt32* aStartOffset)
|
|||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult nsRange::SetStartOffset(PRInt32 aStartOffset)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
return NS_ERROR_NOT_INITIALIZED;
|
||||
if (!IsIncreasing())
|
||||
return NS_ERROR_ILLEGAL_VALUE;
|
||||
|
||||
mStartOffset = aStartOffset;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult nsRange::GetEndParent(nsIDOMNode** aEndParent)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
|
|
@ -502,19 +528,6 @@ nsresult nsRange::GetEndParent(nsIDOMNode** aEndParent)
|
|||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult nsRange::SetEndParent(nsIDOMNode* aEndParent)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
return NS_ERROR_NOT_INITIALIZED;
|
||||
if (!IsIncreasing())
|
||||
return NS_ERROR_ILLEGAL_VALUE;
|
||||
|
||||
NS_IF_RELEASE(mEndParent);
|
||||
NS_IF_ADDREF(aEndParent);
|
||||
mEndParent = aEndParent;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult nsRange::GetEndOffset(PRInt32* aEndOffset)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
|
|
@ -525,17 +538,6 @@ nsresult nsRange::GetEndOffset(PRInt32* aEndOffset)
|
|||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult nsRange::SetEndOffset(PRInt32 aEndOffset)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
return NS_ERROR_NOT_INITIALIZED;
|
||||
if (!IsIncreasing())
|
||||
return NS_ERROR_ILLEGAL_VALUE;
|
||||
|
||||
mEndOffset = aEndOffset;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult nsRange::GetIsCollapsed(PRBool* aIsCollapsed)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
|
|
@ -556,28 +558,48 @@ nsresult nsRange::GetCommonParent(nsIDOMNode** aCommonParent)
|
|||
|
||||
nsresult nsRange::SetStart(nsIDOMNode* aParent, PRInt32 aOffset)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
nsresult res;
|
||||
|
||||
if (!aParent) return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// must be in same document as endpoint, else
|
||||
// endpoint is collapsed to new start.
|
||||
if (mIsPositioned && !InSameDoc(aParent,mEndParent))
|
||||
{
|
||||
NS_IF_RELEASE(mEndParent);
|
||||
mEndParent = NULL;
|
||||
mEndOffset = NULL;
|
||||
mIsPositioned = PR_TRUE;
|
||||
res = DoSetRange(aParent,aOffset,aParent,aOffset);
|
||||
return res;
|
||||
}
|
||||
NS_IF_ADDREF(aParent);
|
||||
mStartParent = aParent;
|
||||
mStartOffset = aOffset;
|
||||
return NS_OK;
|
||||
// start must be before end
|
||||
if (mIsPositioned && !IsIncreasing(aParent,aOffset,mEndParent,mEndOffset))
|
||||
return NS_ERROR_ILLEGAL_VALUE;
|
||||
// if it's in an attribute node, end must be in or descended from same node
|
||||
// (haven't done this one yet)
|
||||
|
||||
res = DoSetRange(aParent,aOffset,mEndParent,mEndOffset);
|
||||
return res;
|
||||
}
|
||||
|
||||
nsresult nsRange::SetEnd(nsIDOMNode* aParent, PRInt32 aOffset)
|
||||
{
|
||||
if (!mIsPositioned)
|
||||
return NS_ERROR_NOT_INITIALIZED; // can't set end before start
|
||||
nsresult res;
|
||||
|
||||
NS_IF_ADDREF(aParent);
|
||||
mEndParent = aParent;
|
||||
mEndOffset = aOffset;
|
||||
return NS_OK;
|
||||
if (!aParent) return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// must be in same document as startpoint, else
|
||||
// endpoint is collapsed to new end.
|
||||
if (mIsPositioned && !InSameDoc(aParent,mEndParent))
|
||||
{
|
||||
res = DoSetRange(aParent,aOffset,aParent,aOffset);
|
||||
return res;
|
||||
}
|
||||
// start must be before end
|
||||
if (mIsPositioned && !IsIncreasing(mStartParent,mStartOffset,aParent,aOffset))
|
||||
return NS_ERROR_ILLEGAL_VALUE;
|
||||
// if it's in an attribute node, start must be in or descended from same node
|
||||
// (haven't done this one yet)
|
||||
|
||||
res = DoSetRange(mStartParent,mStartOffset,aParent,aOffset);
|
||||
return res;
|
||||
}
|
||||
|
||||
nsresult nsRange::Collapse(PRBool aToStart)
|
||||
|
|
@ -670,14 +692,24 @@ nsresult nsRange::ToString(nsString& aReturn)
|
|||
|
||||
//
|
||||
// We don't actually want to allow setting this ...
|
||||
// it should be set only by actually positioning the range.
|
||||
// These are all read only attributes that the idl
|
||||
// is generating setters for
|
||||
//
|
||||
nsresult nsRange::SetIsPositioned(PRBool aIsPositioned)
|
||||
{ return NS_ERROR_NOT_IMPLEMENTED; }
|
||||
|
||||
//
|
||||
// Various other things which we don't want to implement yet:
|
||||
//
|
||||
nsresult nsRange::SetStartParent(nsIDOMNode* aNode)
|
||||
{ return NS_ERROR_NOT_IMPLEMENTED; }
|
||||
|
||||
nsresult nsRange::SetStartOffset(PRInt32 aOffset)
|
||||
{ return NS_ERROR_NOT_IMPLEMENTED; }
|
||||
|
||||
nsresult nsRange::SetEndParent(nsIDOMNode* aNode)
|
||||
{ return NS_ERROR_NOT_IMPLEMENTED; }
|
||||
|
||||
nsresult nsRange::SetEndOffset(PRInt32 aOffset)
|
||||
{ return NS_ERROR_NOT_IMPLEMENTED; }
|
||||
|
||||
nsresult nsRange::SetIsCollapsed(PRBool aIsCollapsed)
|
||||
{ return NS_ERROR_NOT_IMPLEMENTED; }
|
||||
|
||||
|
|
|
|||
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