StrBuf.h
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上传日期:2013-08-04
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- /*
- * Copyright (c) 2001,2002,2003 Mike Matsnev. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice immediately at the beginning of the file, without modification,
- * this list of conditions, and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Absolutely no warranty of function or purpose is made by the author
- * Mike Matsnev.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $Id: StrBuf.h,v 1.2.2.1 2003/04/12 22:52:33 mike Exp $
- *
- */
- #ifndef STRBUF_H
- #define STRBUF_H
- class StrBuf {
- enum {
- MAX_WASTE=256,
- BLOCKSADD=64
- };
- struct Block {
- wchar_t *data;
- int cur;
- int max;
- };
- Block *m_blocks;
- int m_cblk;
- int m_numblk;
- HANDLE m_heap;
- int m_blocksize;
- bool m_freemem;
- public:
- StrBuf(HANDLE heap,bool release_mem=false,int bsz=4096) : m_blocks(0),
- m_cblk(-1), m_numblk(0), m_heap(heap), m_blocksize(bsz),
- m_freemem(release_mem) { }
- ~StrBuf();
- wchar_t *Get(int char_length);
- wchar_t *Append(const wchar_t *str,int char_length) {
- wchar_t *space=Get(char_length);
- memcpy(space,str,char_length*sizeof(wchar_t));
- return space;
- }
- void RemoveAll();
- };
- #endif