147 lines
4.2 KiB
C++
147 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications. Portions created by Netscape Communications are
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* Copyright (C) 2001 by Netscape Communications. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Scott Collins <scc@mozilla.org> (original author)
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*/
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#include "nsAFlatString.h"
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const PRUnichar*
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nsAFlatString::GetReadableFragment( nsReadableFragment<PRUnichar>& aFragment, nsFragmentRequest aRequest, PRUint32 aOffset ) const
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{
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switch ( aRequest )
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{
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case kFirstFragment:
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case kLastFragment:
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case kFragmentAt:
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{
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const nsBufferHandle<PRUnichar>* buffer = GetBufferHandle();
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NS_ASSERTION(buffer, "trouble: no buffer!");
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aFragment.mEnd = buffer->DataEnd();
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return (aFragment.mStart = buffer->DataStart()) + aOffset;
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}
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case kPrevFragment:
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case kNextFragment:
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default:
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return 0;
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}
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}
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PRUnichar*
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nsAFlatString::GetWritableFragment( nsWritableFragment<PRUnichar>& aFragment, nsFragmentRequest aRequest, PRUint32 aOffset )
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{
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switch ( aRequest )
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{
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case kFirstFragment:
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case kLastFragment:
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case kFragmentAt:
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{
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nsBufferHandle<PRUnichar>* buffer = NS_CONST_CAST(nsBufferHandle<PRUnichar>*, GetBufferHandle());
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NS_ASSERTION(buffer, "trouble: no buffer!");
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aFragment.mEnd = buffer->DataEnd();
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return (aFragment.mStart = buffer->DataStart()) + aOffset;
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}
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case kPrevFragment:
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case kNextFragment:
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default:
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return 0;
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}
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}
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const char*
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nsAFlatCString::GetReadableFragment( nsReadableFragment<char>& aFragment, nsFragmentRequest aRequest, PRUint32 aOffset ) const
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{
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switch ( aRequest )
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{
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case kFirstFragment:
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case kLastFragment:
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case kFragmentAt:
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{
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const nsBufferHandle<char>* buffer = GetBufferHandle();
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NS_ASSERTION(buffer, "trouble: no buffer!");
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aFragment.mEnd = buffer->DataEnd();
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return (aFragment.mStart = buffer->DataStart()) + aOffset;
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}
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case kPrevFragment:
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case kNextFragment:
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default:
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return 0;
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}
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}
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char*
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nsAFlatCString::GetWritableFragment( nsWritableFragment<char>& aFragment, nsFragmentRequest aRequest, PRUint32 aOffset )
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{
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switch ( aRequest )
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{
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case kFirstFragment:
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case kLastFragment:
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case kFragmentAt:
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{
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nsBufferHandle<char>* buffer = NS_CONST_CAST(nsBufferHandle<char>*, GetBufferHandle());
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NS_ASSERTION(buffer, "trouble: no buffer!");
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aFragment.mEnd = buffer->DataEnd();
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return (aFragment.mStart = buffer->DataStart()) + aOffset;
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}
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case kPrevFragment:
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case kNextFragment:
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default:
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return 0;
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}
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}
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PRUint32
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nsAFlatString::Length() const
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{
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const nsBufferHandle<PRUnichar>* handle = GetBufferHandle();
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return PRUint32(handle ? handle->DataLength() : 0);
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}
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PRUint32
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nsAFlatCString::Length() const
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{
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const nsBufferHandle<char>* handle = GetBufferHandle();
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return PRUint32(handle ? handle->DataLength() : 0);
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}
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const PRUnichar*
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nsAFlatString::get() const
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{
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const nsBufferHandle<PRUnichar>* handle = GetBufferHandle();
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// NS_ASSERTION(handle, "handle is null!");
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return handle ? handle->DataStart() : 0;
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}
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const char*
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nsAFlatCString::get() const
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{
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const nsBufferHandle<char>* handle = GetBufferHandle();
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// NS_ASSERTION(handle, "handle is null!");
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return handle ? handle->DataStart() : 0;
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}
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