зеркало из https://github.com/mozilla/gecko-dev.git
Bug 467647. Fix editor leak in error conditions. r+sr=peterv
This commit is contained in:
Родитель
3d37a465e1
Коммит
9463c9fa94
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@ -0,0 +1,19 @@
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<!DOCTYPE html>
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<html>
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<head>
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<script type="text/javascript">
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function boom()
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{
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document.getElementById("s").focus();
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try {
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document.execCommand("insertorderedlist", false, null);
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} catch(e) { }
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}
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</script>
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</head>
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<body onload="boom();"><span id="s" contenteditable="true">One<div></div></span><marquee></marquee></body>
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</html>
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@ -4,3 +4,4 @@ load 407074-1.html
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load 407277-1.html
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load 420439.html
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load 428489-1.html
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load 467647-1.html
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@ -84,6 +84,7 @@
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#include "nsFrameSelection.h"
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#include "nsIDOM3Node.h"
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#include "nsContentUtils.h"
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#include "nsTArray.h"
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//const static char* kMOZEditorBogusNodeAttr="MOZ_EDITOR_BOGUS_NODE";
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//const static char* kMOZEditorBogusNodeValue="TRUE";
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@ -5758,39 +5759,42 @@ nsHTMLEditRules::GetNodesForOperation(nsCOMArray<nsIDOMRange>& inArrayOfRanges,
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if (!aDontTouchContent)
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{
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nsVoidArray rangeItemArray;
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nsAutoTArray<nsRangeStore, 16> rangeItemArray;
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if (!rangeItemArray.AppendElements(rangeCount)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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NS_ASSERTION(rangeCount == rangeItemArray.Length(), "How did that happen?");
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// first register ranges for special editor gravity
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// XXXbz doesn't this leak all the nsRangeStore structs on error
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// conditions??
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for (i = 0; i < (PRInt32)rangeCount; i++)
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{
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opRange = inArrayOfRanges[0];
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nsRangeStore *item = new nsRangeStore();
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if (!item) return NS_ERROR_NULL_POINTER;
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nsRangeStore *item = rangeItemArray.Elements() + i;
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item->StoreRange(opRange);
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mHTMLEditor->mRangeUpdater.RegisterRangeItem(item);
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rangeItemArray.AppendElement((void*)item);
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inArrayOfRanges.RemoveObjectAt(0);
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}
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// now bust up inlines
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for (i = rangeCount-1; i >= 0; i--)
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// now bust up inlines. Safe to start at rangeCount-1, since we
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// asserted we have enough items above.
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for (i = rangeCount-1; i >= 0 && NS_SUCCEEDED(res); i--)
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{
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nsRangeStore *item = (nsRangeStore*)rangeItemArray.ElementAt(i);
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res = BustUpInlinesAtRangeEndpoints(*item);
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if (NS_FAILED(res)) return res;
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res = BustUpInlinesAtRangeEndpoints(rangeItemArray[i]);
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}
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// then unregister the ranges
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for (i = 0; i < rangeCount; i++)
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{
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nsRangeStore *item = (nsRangeStore*)rangeItemArray.ElementAt(0);
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if (!item) return NS_ERROR_NULL_POINTER;
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rangeItemArray.RemoveElementAt(0);
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nsRangeStore *item = rangeItemArray.Elements() + i;
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mHTMLEditor->mRangeUpdater.DropRangeItem(item);
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res = item->GetRange(address_of(opRange));
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if (NS_FAILED(res)) return res;
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delete item;
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nsresult res2 = item->GetRange(address_of(opRange));
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if (NS_FAILED(res2) && NS_SUCCEEDED(res)) {
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// Remember the failure, but keep going so we make sure to unregister
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// all our range items.
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res = res2;
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}
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inArrayOfRanges.AppendObject(opRange);
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}
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if (NS_FAILED(res)) return res;
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}
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// gather up a list of all the nodes
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for (i = 0; i < rangeCount; i++)
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