64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
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/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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/*
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File: ResizeableStringFormatter.h
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Contains: Derived from StringFormatter, this transparently grows the
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output buffer if the original buffer is too small to hold all
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the data being placed in it
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*/
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#ifndef __RESIZEABLE_STRING_FORMATTER_H__
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#define __RESIZEABLE_STRING_FORMATTER_H__
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#include "StringFormatter.h"
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class ResizeableStringFormatter : public StringFormatter
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{
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public:
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// Pass in inBuffer=NULL and inBufSize=0 to dynamically allocate the initial buffer.
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ResizeableStringFormatter(char* inBuffer = NULL, UInt32 inBufSize = 0)
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: StringFormatter(inBuffer, inBufSize), fOriginalBuffer(inBuffer) {}
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//If we've been forced to increase the buffer size, fStartPut WILL be a dynamically allocated
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//buffer, and it WON'T be equal to fOriginalBuffer (obviously).
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virtual ~ResizeableStringFormatter() { if (fStartPut != fOriginalBuffer) delete [] fStartPut; }
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private:
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// This function will get called by StringFormatter if the current
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// output buffer is full. This object allocates a buffer that's twice
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// as big as the old one.
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virtual Bool16 BufferIsFull(char* inBuffer, UInt32 inBufferLen);
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char* fOriginalBuffer;
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};
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#endif //__RESIZEABLE_STRING_FORMATTER_H__
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