Added NameList method handling, small improvemnets and cleanups
[platform/upstream/dbus.git] / dbus / dbus-hash.h
index c8c6eab..5aa183c 100644 (file)
@@ -1,9 +1,9 @@
-/* -*- mode: C; c-file-style: "gnu" -*- */
-/* dbus-hash.h  Generic hash table utility (internal to D-BUS implementation)
- *
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* dbus-hash.h Generic hash table utility (internal to D-Bus implementation)
+ * 
  * Copyright (C) 2002  Red Hat, Inc.
  *
- * Licensed under the Academic Free License version 1.2
+ * Licensed under the Academic Free License version 2.1
  * 
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * 
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
 
 #ifndef DBUS_HASH_H
 #define DBUS_HASH_H
 
-DBUS_BEGIN_DECLS
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
 
 #include <dbus/dbus-memory.h>
 #include <dbus/dbus-types.h>
+#include <dbus/dbus-sysdeps.h>
 
-typedef struct DBusHashTable DBusHashTable;
-typedef struct DBusHashIter  DBusHashIter;
+DBUS_BEGIN_DECLS
 
-/* The iterator is on the stack, but its real fields are
- * hidden privately.
+/**
+ * @addtogroup DBusHashTable
+ * @{
+ */
+
+/** Hash iterator object. The iterator is on the stack, but its real
+ * fields are hidden privately.
  */
 struct DBusHashIter
 {
-  void *dummy1;
-  int   dummy2;
-  void *dummy3;  
+  void *dummy1; /**< Do not use. */
+  void *dummy2; /**< Do not use. */
+  void *dummy3; /**< Do not use. */
+  void *dummy4; /**< Do not use. */
+  int   dummy5; /**< Do not use. */
+  int   dummy6; /**< Do not use. */
 };
 
+typedef struct DBusHashTable DBusHashTable;
+typedef struct DBusHashIter  DBusHashIter;
+
 /* Allowing an arbitrary function as with GLib
- * would probably be nicer, but this is internal API so
- * who cares
+ * would be nicer for a public API, but for
+ * an internal API this saves typing, we can add
+ * more whenever we feel like it.
  */
 typedef enum
 {
-  DBUS_HASH_STRING,
-  DBUS_HASH_INT
+  DBUS_HASH_STRING,        /**< Hash keys are strings. */
+  DBUS_HASH_INT,           /**< Hash keys are integers. */
+  DBUS_HASH_UINTPTR        /**< Hash keys are integer capable to hold a pointer. */
 } DBusHashType;
 
-DBusHashTable* _dbus_hash_table_new   (DBusHashType     type,
-                                       DBusFreeFunction key_free_function,
-                                       DBusFreeFunction value_free_function);
-void           _dbus_hash_table_ref   (DBusHashTable   *table);
-void           _dbus_hash_table_unref (DBusHashTable   *table);
-
-/* usage "while (_dbus_hash_table_iterate (table, &iter)) { }" */
-dbus_bool_t _dbus_hash_table_iterate (DBusHashTable *table,
-                                      DBusHashIter  *iter);
-
-void*       _dbus_hash_iter_get_value      (DBusHashEntry *iter);
-void        _dbus_hash_iter_set_value      (DBusHashEntry *iter,
-                                            void          *value);
-int         _dbus_hash_iter_get_int_key    (DBusHashIter  *iter);
-const char* _dbus_hash_iter_get_string_key (DBusHashIter  *iter);
-
-void* _dbus_hash_table_lookup_string (DBusHashTable *table,
-                                      const char    *key);
-void* _dbus_hash_table_lookup_int    (DBusHashTable *table,
-                                      int            key);
-void  _dbus_hash_table_remove_string (DBusHashTable *table,
-                                      const char    *key);
-void  _dbus_hash_table_remove_int    (DBusHashTable *table,
-                                      int            key);
-void  _dbus_hash_table_insert_string (DBusHashTable *table,
-                                      const char    *key,
-                                      void          *value);
-void  _dbus_hash_table_insert_int    (DBusHashTable *table,
-                                      int            key,
-                                      void          *value);
+DBusHashTable* _dbus_hash_table_new                (DBusHashType      type,
+                                                    DBusFreeFunction  key_free_function,
+                                                    DBusFreeFunction  value_free_function);
+DBusHashTable* _dbus_hash_table_ref                (DBusHashTable    *table);
+void           _dbus_hash_table_unref              (DBusHashTable    *table);
+void           _dbus_hash_table_remove_all         (DBusHashTable    *table);
+void           _dbus_hash_iter_init                (DBusHashTable    *table,
+                                                    DBusHashIter     *iter);
+dbus_bool_t    _dbus_hash_iter_next                (DBusHashIter     *iter);
+void           _dbus_hash_iter_remove_entry        (DBusHashIter     *iter);
+void*          _dbus_hash_iter_get_value           (DBusHashIter     *iter);
+void           _dbus_hash_iter_set_value           (DBusHashIter     *iter,
+                                                    void             *value);
+int            _dbus_hash_iter_get_int_key         (DBusHashIter     *iter);
+const char*    _dbus_hash_iter_get_string_key      (DBusHashIter     *iter);
+uintptr_t      _dbus_hash_iter_get_uintptr_key     (DBusHashIter     *iter);
+dbus_bool_t    _dbus_hash_iter_lookup              (DBusHashTable    *table,
+                                                    void             *key,
+                                                    dbus_bool_t       create_if_not_found,
+                                                    DBusHashIter     *iter);
+void*          _dbus_hash_table_lookup_string      (DBusHashTable    *table,
+                                                    const char       *key);
+void*          _dbus_hash_table_lookup_int         (DBusHashTable    *table,
+                                                    int               key);
+void*          _dbus_hash_table_lookup_uintptr     (DBusHashTable    *table,
+                                                    uintptr_t         key);
+dbus_bool_t    _dbus_hash_table_remove_string      (DBusHashTable    *table,
+                                                    const char       *key);
+dbus_bool_t    _dbus_hash_table_remove_int         (DBusHashTable    *table,
+                                                    int               key);
+dbus_bool_t    _dbus_hash_table_remove_uintptr     (DBusHashTable    *table,
+                                                    uintptr_t         key);
+dbus_bool_t    _dbus_hash_table_insert_string      (DBusHashTable    *table,
+                                                    char             *key,
+                                                    void             *value);
+dbus_bool_t    _dbus_hash_table_insert_int         (DBusHashTable    *table,
+                                                    int               key,
+                                                    void             *value);
+dbus_bool_t    _dbus_hash_table_insert_uintptr     (DBusHashTable    *table,
+                                                    uintptr_t         key,
+                                                    void             *value);
+int            _dbus_hash_table_get_n_entries      (DBusHashTable    *table);
+
+/* Preallocation */
+
+/** A preallocated hash entry */
+typedef struct DBusPreallocatedHash DBusPreallocatedHash;
+
+DBusPreallocatedHash *_dbus_hash_table_preallocate_entry          (DBusHashTable        *table);
+void                  _dbus_hash_table_free_preallocated_entry    (DBusHashTable        *table,
+                                                                   DBusPreallocatedHash *preallocated);
+void                  _dbus_hash_table_insert_string_preallocated (DBusHashTable        *table,
+                                                                   DBusPreallocatedHash *preallocated,
+                                                                   char                 *key,
+                                                                   void                 *value);
 
+/** @} */
 
 DBUS_END_DECLS