diff options
author | Joshua Haberman <jhaberman@gmail.com> | 2019-01-09 22:40:50 -0800 |
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committer | Joshua Haberman <jhaberman@gmail.com> | 2019-01-09 22:40:50 -0800 |
commit | 0553eff64a87eceff0de3b6260b4f2d45b61703a (patch) | |
tree | 5b051740c041786655d1794a5034ccf20928e8ee /upb/handlers.h | |
parent | 31e0997c1abaa531505d28e36473f1c972ca0849 (diff) |
upb_refcounted is gone! Some tests still to fix.
Diffstat (limited to 'upb/handlers.h')
-rw-r--r-- | upb/handlers.h | 84 |
1 files changed, 35 insertions, 49 deletions
diff --git a/upb/handlers.h b/upb/handlers.h index 15d06a0..741bd48 100644 --- a/upb/handlers.h +++ b/upb/handlers.h @@ -21,7 +21,6 @@ #include "upb/def.h" #include "upb/table.int.h" -#include "upb/refcounted.h" #ifdef __cplusplus namespace upb { @@ -29,6 +28,7 @@ class BufferHandle; class BytesHandler; class HandlerAttributes; class Handlers; +class HandlerCache; template <class T> class Handler; template <class T> struct CanonicalType; } /* namespace upb */ @@ -37,8 +37,8 @@ template <class T> struct CanonicalType; UPB_DECLARE_TYPE(upb::BufferHandle, upb_bufhandle) UPB_DECLARE_TYPE(upb::BytesHandler, upb_byteshandler) UPB_DECLARE_TYPE(upb::HandlerAttributes, upb_handlerattr) -UPB_DECLARE_DERIVED_TYPE(upb::Handlers, upb::RefCounted, - upb_handlers, upb_refcounted) +UPB_DECLARE_TYPE(upb::Handlers, upb_handlers) +UPB_DECLARE_TYPE(upb::HandlerCache, upb_handlercache) /* The maximum depth that the handler graph can have. This is a resource limit * for the C stack since we sometimes need to recursively traverse the graph. @@ -275,22 +275,6 @@ class upb::Handlers { typedef void HandlersCallback(const void *closure, upb_handlers *h); - /* Returns a new handlers object for the given frozen msgdef. - * Returns NULL if memory allocation failed. */ - static reffed_ptr<Handlers> New(const MessageDef *m); - - /* Convenience function for registering a graph of handlers that mirrors the - * graph of msgdefs for some message. For "m" and all its children a new set - * of handlers will be created and the given callback will be invoked, - * allowing the client to register handlers for this message. Note that any - * subhandlers set by the callback will be overwritten. */ - static reffed_ptr<const Handlers> NewFrozen(const MessageDef *m, - HandlersCallback *callback, - const void *closure); - - /* Functionality from upb::RefCounted. */ - UPB_REFCOUNTED_CPPMETHODS - /* All handler registration functions return bool to indicate success or * failure; details about failures are stored in this status object. If a * failure does occur, it must be cleared before the Handlers are frozen, @@ -299,16 +283,6 @@ class upb::Handlers { const Status* status(); void ClearError(); - /* Call to freeze these Handlers. Requires that any SubHandlers are already - * frozen. For cycles, you must use the static version below and freeze the - * whole graph at once. */ - bool Freeze(Status* s); - - /* Freezes the given set of handlers. You may not freeze a handler without - * also freezing any handlers they point to. */ - static bool Freeze(Handlers*const* handlers, int n, Status* s); - static bool Freeze(const std::vector<Handlers*>& handlers, Status* s); - /* Returns the msgdef associated with this handlers object. */ const MessageDef* message_def() const; @@ -473,9 +447,8 @@ class upb::Handlers { */ bool SetEndSequenceHandler(const FieldDef* f, const EndFieldHandler& h); - /* Sets or gets the object that specifies handlers for the given field, which + /* Gets the object that specifies handlers for the given field, which * must be a submessage or group. Returns NULL if no handlers are set. */ - bool SetSubHandlers(const FieldDef* f, const Handlers* sub); const Handlers* GetSubHandlers(const FieldDef* f) const; /* Equivalent to GetSubHandlers, but takes the STARTSUBMSG selector for the @@ -519,13 +492,10 @@ class upb::Handlers { #else struct upb_handlers { #endif - upb_refcounted base; - + upb_handlercache *cache; const upb_msgdef *msg; const upb_handlers **sub; const void *top_closure_type; - upb_inttable cleanup_; - upb_status status_; /* Used only when mutable. */ upb_handlers_tabent table[1]; /* Dynamically-sized field handler array. */ }; @@ -675,17 +645,6 @@ UPB_INLINE const void *upb_handlerattr_handlerdata( } /* upb_handlers */ -typedef void upb_handlers_callback(const void *closure, upb_handlers *h); -upb_handlers *upb_handlers_new(const upb_msgdef *m, - const void *owner); -const upb_handlers *upb_handlers_newfrozen(const upb_msgdef *m, - const void *owner, - upb_handlers_callback *callback, - const void *closure); - -/* Include refcounted methods like upb_handlers_ref(). */ -UPB_REFCOUNTED_CMETHODS(upb_handlers, upb_handlers_upcast) - const upb_status *upb_handlers_status(upb_handlers *h); void upb_handlers_clearerr(upb_handlers *h); const upb_msgdef *upb_handlers_msgdef(const upb_handlers *h); @@ -737,8 +696,6 @@ bool upb_handlers_setendseq(upb_handlers *h, const upb_fielddef *f, upb_endfield_handlerfunc *func, upb_handlerattr *attr); -bool upb_handlers_setsubhandlers(upb_handlers *h, const upb_fielddef *f, - const upb_handlers *sub); const upb_handlers *upb_handlers_getsubhandlers(const upb_handlers *h, const upb_fielddef *f); const upb_handlers *upb_handlers_getsubhandlers_sel(const upb_handlers *h, @@ -757,6 +714,36 @@ UPB_INLINE const void *upb_handlers_gethandlerdata(const upb_handlers *h, return upb_handlerattr_handlerdata(&h->table[s].attr); } +typedef void upb_handlers_callback(const void *closure, upb_handlers *h); + +#ifdef __cplusplus + +class upb::HandlerCache { + public: + static HandlerCache *New(upb_handlers_callback *callback, + const void *closure); + static void Free(HandlerCache* cache); + + const Handlers* Get(const MessageDef* md); + + private: + UPB_DISALLOW_POD_OPS(HandlerCache, upb::pb::HandlerCache) +#else +struct upb_handlercache { +#endif + upb_arena arena; + upb_inttable tab; /* maps upb_msgdef* -> upb_handlers*. */ + upb_inttable cleanup_; + upb_handlers_callback *callback; + const void *closure; +}; + +upb_handlercache *upb_handlercache_new(upb_handlers_callback *callback, + const void *closure); +void upb_handlercache_free(upb_handlercache *cache); +const upb_handlers *upb_handlercache_get(upb_handlercache *cache, + const upb_msgdef *md); + #ifdef __cplusplus /* Handler types for single fields. @@ -788,7 +775,6 @@ bool upb_byteshandler_setendstr(upb_byteshandler *h, upb_endfield_handlerfunc *func, void *d); /* "Static" methods */ -bool upb_handlers_freeze(upb_handlers *const *handlers, int n, upb_status *s); upb_handlertype_t upb_handlers_getprimitivehandlertype(const upb_fielddef *f); bool upb_handlers_getselector(const upb_fielddef *f, upb_handlertype_t type, upb_selector_t *s); |