8eb9c15d4f
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2954 a95241bf-73f2-0310-859d-f6bbb57e9c96
91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
//------------------------------------------------------------------------------
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// TokenSpace.h
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//
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//------------------------------------------------------------------------------
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#ifndef TOKENSPACE_H
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#define TOKENSPACE_H
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// Standard Includes -----------------------------------------------------------
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#include <map>
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#include <stack>
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// System Includes -------------------------------------------------------------
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#include <BeBuild.h>
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#include <Locker.h>
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#include <SupportDefs.h>
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// Project Includes ------------------------------------------------------------
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// Local Includes --------------------------------------------------------------
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// Local Defines ---------------------------------------------------------------
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#define B_PREFERRED_TOKEN -2 /* A little bird told me about this one */
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#define B_NULL_TOKEN -1
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#define B_ANY_TOKEN 0
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#define B_HANDLER_TOKEN 1
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// Globals ---------------------------------------------------------------------
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namespace BPrivate {
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typedef void (*new_token_callback)(int16, void*);
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typedef void (*remove_token_callback)(int16, void*);
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typedef bool (*get_token_callback)(int16, void*);
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class BTokenSpace
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{
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public:
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BTokenSpace();
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~BTokenSpace();
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int32 NewToken(int16 type, void* object,
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new_token_callback callback= NULL);
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bool RemoveToken(int32 token, remove_token_callback callback = NULL);
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bool CheckToken(int32, int16) const;
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status_t GetToken(int32, int16, void**,
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get_token_callback callback = NULL) const;
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// Possible expansion
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// void Dump(BDataIO&, bool) const;
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// int32 NewToken(void*, BDirectMessageTarget*, void (*)(short, void*));
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// bool SetTokenTarget(uint32, BDirectMessageTarget*);
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// BDirectMessageTarget* TokenTarget(uint32 token, int16 type);
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private:
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struct TTokenInfo
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{
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int16 type;
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void* object;
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};
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typedef std::map<int32, TTokenInfo> TTokenMap;
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TTokenMap fTokenMap;
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std::stack<int32> fTokenBin;
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int32 fTokenCount;
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BLocker fLocker;
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};
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// Possible expansion
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//_delete_tokens_();
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//_init_tokens_();
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//get_handler_token(short, void*);
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//get_token_list(long, long*);
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//new_handler_token(short, void*);
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//remove_handler_token(short, void*);
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extern _IMPEXP_BE BTokenSpace gDefaultTokens;
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} // namespace BPrivate
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#endif //TOKENSPACE_H
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/*
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* $Log $
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*
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* $Id $
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*
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*/
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