83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
/*
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* Copyright 2001-2005, Haiku.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Erik Jaesler (erik@cgsoftware.com)
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* Axel Dörfler, axeld@pinc-software.de
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*/
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#ifndef _TOKEN_SPACE_H
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#define _TOKEN_SPACE_H
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#include <map>
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#include <stack>
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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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// token types as specified in targets
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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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// token types in the token list
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#define B_HANDLER_TOKEN 1
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#define B_SERVER_TOKEN 2
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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 : public BLocker {
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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 token, int16 type) const;
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status_t GetToken(int32 token, int16 type, void** object,
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get_token_callback callback = NULL) const;
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status_t GetList(int32*& tokens, int32& count) 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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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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};
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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 // _TOKEN_SPACE_H
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