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61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
// WStringMemory.h: interface for the WStringMemory class.
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(AFX_WSTRINGMEMORY_H__79693029_4788_4099_9A97_92AF310A7AD5__INCLUDED_)
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#define AFX_WSTRINGMEMORY_H__79693029_4788_4099_9A97_92AF310A7AD5__INCLUDED_
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#include <WCHAR.H>
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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class WStringProxy;
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class WStringMemory
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{
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public:
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static WStringProxy * AllocString(const wchar_t *text, size_t size);
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static WStringProxy * AllocProxy(const WStringProxy &templateProxy);
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static void FreeProxy(WStringProxy *proxy);
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static void LockProxy(WStringProxy *proxy);
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static void UnlockProxy(WStringProxy *proxy);
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//Releases extra memory leaved for future fast allocations
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static void FreeExtra();
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//Support addref for proxy - Single- or Multi- thread support
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static void AddRefProxy(WStringProxy *proxy);
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//Support addref for proxy - Single- or Multi- thread support
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//returns true, when counter reached zero
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static bool ReleaseRefProxy(WStringProxy *proxy);
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///Gets statistics about memory manager
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/**
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@param details optional pointer to 32 size_t items. Array will be filled
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with sizes of each string fastalloc group.
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@return function returns total bytes allocated for string fast allocation.
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(This number should be below 256KB)
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*/
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static size_t GetStatistics(size_t *details=NULL);
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///Function allows sharing the strings
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/** This function is called by WString::Share function
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Function mark proxy shared. If string is same as shared,
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it returns pointer to proxy with proxy of string that contains
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the same text.
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Read description of WString::Share for more informations
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*/
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static WStringProxy *ShareString(WStringProxy *proxy);
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///Function disables sharing of the string
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static void UnshareString(WStringProxy *proxy);
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};
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#endif // !defined(AFX_WSTRINGMEMORY_H__79693029_4788_4099_9A97_92AF310A7AD5__INCLUDED_)
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