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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-object-private.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-object-private.hh | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-object-private.hh b/Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-object-private.hh deleted file mode 100644 index 8a9ae34dbee..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-object-private.hh +++ /dev/null @@ -1,227 +0,0 @@ -/* - * Copyright © 2007 Chris Wilson - * Copyright © 2009,2010 Red Hat, Inc. - * Copyright © 2011,2012 Google, Inc. - * - * This is part of HarfBuzz, a text shaping library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - * - * Contributor(s): - * Chris Wilson <chris@chris-wilson.co.uk> - * Red Hat Author(s): Behdad Esfahbod - * Google Author(s): Behdad Esfahbod - */ - -#ifndef HB_OBJECT_PRIVATE_HH -#define HB_OBJECT_PRIVATE_HH - -#include "hb-private.hh" - -#include "hb-atomic-private.hh" -#include "hb-mutex-private.hh" - - -/* Debug */ - -#ifndef HB_DEBUG_OBJECT -#define HB_DEBUG_OBJECT (HB_DEBUG+0) -#endif - - -/* reference_count */ - -#define HB_REFERENCE_COUNT_INVALID_VALUE ((hb_atomic_int_t) -1) -#define HB_REFERENCE_COUNT_INVALID {HB_REFERENCE_COUNT_INVALID_VALUE} -struct hb_reference_count_t -{ - hb_atomic_int_t ref_count; - - inline void init (int v) { ref_count = v; } - inline int inc (void) { return hb_atomic_int_add (const_cast<hb_atomic_int_t &> (ref_count), 1); } - inline int dec (void) { return hb_atomic_int_add (const_cast<hb_atomic_int_t &> (ref_count), -1); } - inline void finish (void) { ref_count = HB_REFERENCE_COUNT_INVALID_VALUE; } - - inline bool is_invalid (void) const { return ref_count == HB_REFERENCE_COUNT_INVALID_VALUE; } - -}; - - -/* user_data */ - -#define HB_USER_DATA_ARRAY_INIT {HB_MUTEX_INIT, HB_LOCKABLE_SET_INIT} -struct hb_user_data_array_t -{ - /* TODO Add tracing. */ - - struct hb_user_data_item_t { - hb_user_data_key_t *key; - void *data; - hb_destroy_func_t destroy; - - inline bool operator == (hb_user_data_key_t *other_key) const { return key == other_key; } - inline bool operator == (hb_user_data_item_t &other) const { return key == other.key; } - - void finish (void) { if (destroy) destroy (data); } - }; - - hb_mutex_t lock; - hb_lockable_set_t<hb_user_data_item_t, hb_mutex_t> items; - - inline void init (void) { lock.init (); items.init (); } - - HB_INTERNAL bool set (hb_user_data_key_t *key, - void * data, - hb_destroy_func_t destroy, - hb_bool_t replace); - - HB_INTERNAL void *get (hb_user_data_key_t *key); - - inline void finish (void) { items.finish (lock); lock.finish (); } -}; - - -/* object_header */ - -struct hb_object_header_t -{ - hb_reference_count_t ref_count; - hb_user_data_array_t user_data; - -#define HB_OBJECT_HEADER_STATIC {HB_REFERENCE_COUNT_INVALID, HB_USER_DATA_ARRAY_INIT} - - static inline void *create (unsigned int size) { - hb_object_header_t *obj = (hb_object_header_t *) calloc (1, size); - - if (likely (obj)) - obj->init (); - - return obj; - } - - inline void init (void) { - ref_count.init (1); - user_data.init (); - } - - inline bool is_inert (void) const { - return unlikely (ref_count.is_invalid ()); - } - - inline void reference (void) { - if (unlikely (!this || this->is_inert ())) - return; - ref_count.inc (); - } - - inline bool destroy (void) { - if (unlikely (!this || this->is_inert ())) - return false; - if (ref_count.dec () != 1) - return false; - - ref_count.finish (); /* Do this before user_data */ - user_data.finish (); - - return true; - } - - inline bool set_user_data (hb_user_data_key_t *key, - void * data, - hb_destroy_func_t destroy_func, - hb_bool_t replace) { - if (unlikely (!this || this->is_inert ())) - return false; - - return user_data.set (key, data, destroy_func, replace); - } - - inline void *get_user_data (hb_user_data_key_t *key) { - if (unlikely (!this || this->is_inert ())) - return NULL; - - return user_data.get (key); - } - - inline void trace (const char *function) const { - if (unlikely (!this)) return; - /* TODO We cannot use DEBUG_MSG_FUNC here since that one currently only - * prints the class name and throws away the template info. */ - DEBUG_MSG (OBJECT, (void *) this, - "%s refcount=%d", - function, - this ? ref_count.ref_count : 0); - } - - private: - ASSERT_POD (); -}; - - -/* object */ - -template <typename Type> -static inline void hb_object_trace (const Type *obj, const char *function) -{ - obj->header.trace (function); -} -template <typename Type> -static inline Type *hb_object_create (void) -{ - Type *obj = (Type *) hb_object_header_t::create (sizeof (Type)); - hb_object_trace (obj, HB_FUNC); - return obj; -} -template <typename Type> -static inline bool hb_object_is_inert (const Type *obj) -{ - return unlikely (obj->header.is_inert ()); -} -template <typename Type> -static inline Type *hb_object_reference (Type *obj) -{ - hb_object_trace (obj, HB_FUNC); - obj->header.reference (); - return obj; -} -template <typename Type> -static inline bool hb_object_destroy (Type *obj) -{ - hb_object_trace (obj, HB_FUNC); - return obj->header.destroy (); -} -template <typename Type> -static inline bool hb_object_set_user_data (Type *obj, - hb_user_data_key_t *key, - void * data, - hb_destroy_func_t destroy, - hb_bool_t replace) -{ - return obj->header.set_user_data (key, data, destroy, replace); -} - -template <typename Type> -static inline void *hb_object_get_user_data (Type *obj, - hb_user_data_key_t *key) -{ - return obj->header.get_user_data (key); -} - - -#endif /* HB_OBJECT_PRIVATE_HH */ |