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bug #66562: r=harish, sr=brendan, a=blizzard. Make |document.write| work.

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git-svn-id: svn://10.0.0.236/trunk@86935 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
scc%mozilla.org
2001-02-13 21:26:58 +00:00
parent b55a3421e5
commit c1d8f1bc86
18 changed files with 142 additions and 100 deletions
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28
mozilla/string/src/nsSlidingString.cpp
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@@ -290,6 +290,34 @@ nsSlidingString::AppendBuffer( PRUnichar* aStorageStart, PRUnichar* aDataEnd, PR
mEnd.PointAfter(new_buffer);
}
void
nsSlidingString::InsertReadable( const nsAReadableString& aReadable, const nsReadingIterator<PRUnichar>& aInsertPoint )
/*
* Warning: this routine manipulates the shared buffer list in an unexpected way.
* The original design did not really allow for insertions, but this call promises
* that if called for a point after the end of all extant token strings, that no token string
* or the work string will be invalidated.
*
* This routine is protected because it is the responsibility of the derived class to keep those promises.
*/
{
Position insertPos(aInsertPoint);
mBufferList->SplitBuffer(insertPos, nsSharedBufferList::kSplitCopyRightData);
// splitting to the right keeps the work string and any extant token pointing to and
// holding a reference count on the same buffer
Buffer* new_buffer = nsSharedBufferList::NewSingleAllocationBuffer(aReadable, 0);
// make a new buffer with all the data to insert...
// BULLSHIT ALERT: we may have empty space to re-use in the split buffer, measure the cost
// of this and decide if we should do the work to fill it
Buffer* buffer_to_split = insertPos.mBuffer;
mBufferList->LinkBuffer(buffer_to_split, new_buffer, buffer_to_split->mNext);
mLength += aReadable.Length();
mEnd.PointAfter(mBufferList->GetLastBuffer());
}
void
nsSlidingString::DiscardPrefix( const nsReadingIterator<PRUnichar>& aIter )
{