haiku/headers/private/app/TokenSpace.h
Axel Dörfler ef571f678c Cleanup. Added BTokenSpace::GetList(), though it's probably not needed after all
(we can still remove it later if needed).
Added B_SERVER_TOKEN type.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13451 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-07-05 17:22:35 +00:00

83 lines
1.9 KiB
C++

/*
* Copyright 2001-2005, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Erik Jaesler (erik@cgsoftware.com)
* Axel Dörfler, axeld@pinc-software.de
*/
#ifndef _TOKEN_SPACE_H
#define _TOKEN_SPACE_H
#include <map>
#include <stack>
#include <BeBuild.h>
#include <Locker.h>
#include <SupportDefs.h>
// token types as specified in targets
#define B_PREFERRED_TOKEN -2 /* A little bird told me about this one */
#define B_NULL_TOKEN -1
#define B_ANY_TOKEN 0
// token types in the token list
#define B_HANDLER_TOKEN 1
#define B_SERVER_TOKEN 2
namespace BPrivate {
typedef void (*new_token_callback)(int16, void*);
typedef void (*remove_token_callback)(int16, void*);
typedef bool (*get_token_callback)(int16, void*);
class BTokenSpace : public BLocker {
public:
BTokenSpace();
~BTokenSpace();
int32 NewToken(int16 type, void* object,
new_token_callback callback = NULL);
bool RemoveToken(int32 token, remove_token_callback callback = NULL);
bool CheckToken(int32 token, int16 type) const;
status_t GetToken(int32 token, int16 type, void** object,
get_token_callback callback = NULL) const;
status_t GetList(int32*& tokens, int32& count) const;
// Possible expansion
// void Dump(BDataIO&, bool) const;
// int32 NewToken(void*, BDirectMessageTarget*, void (*)(short, void*));
// bool SetTokenTarget(uint32, BDirectMessageTarget*);
// BDirectMessageTarget* TokenTarget(uint32 token, int16 type);
private:
struct TTokenInfo {
int16 type;
void* object;
};
typedef std::map<int32, TTokenInfo> TTokenMap;
TTokenMap fTokenMap;
std::stack<int32> fTokenBin;
int32 fTokenCount;
};
// Possible expansion
//_delete_tokens_();
//_init_tokens_();
//get_handler_token(short, void*);
//get_token_list(long, long*);
//new_handler_token(short, void*);
//remove_handler_token(short, void*);
extern _IMPEXP_BE BTokenSpace gDefaultTokens;
} // namespace BPrivate
#endif // _TOKEN_SPACE_H