1 files changed, 176 insertions, 0 deletions

diff --git a/libraries/eina/src/lib/eina_accessor.c b/libraries/eina/src/lib/eina_accessor.c
new file mode 100644
index 0000000..aec44ef
--- /dev/null
+++ b/libraries/eina/src/lib/eina_accessor.c
@@ -0,0 +1,176 @@
+/* EINA - EFL data type library
+ * Copyright (C) 2002-2008 Cedric Bail
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library;
+ * if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+
+#include "eina_config.h"
+#include "eina_private.h"
+
+/* undefs EINA_ARG_NONULL() so NULL checks are not compiled out! */
+#include "eina_safety_checks.h"
+#include "eina_accessor.h"
+
+/*============================================================================*
+*                                  Local                                     *
+*============================================================================*/
+
+/**
+ * @cond LOCAL
+ */
+
+static const char EINA_MAGIC_ACCESSOR_STR[] = "Eina Accessor";
+
+#define EINA_MAGIC_CHECK_ACCESSOR(d)                            \
+   do {                                                          \
+        if (!EINA_MAGIC_CHECK(d, EINA_MAGIC_ACCESSOR)) {              \
+             EINA_MAGIC_FAIL(d, EINA_MAGIC_ACCESSOR); }                  \
+     } while(0)
+
+/**
+ * @endcond
+ */
+
+/*============================================================================*
+*                                 Global                                     *
+*============================================================================*/
+
+/**
+ * @internal
+ * @brief Initialize the accessor module.
+ *
+ * @return #EINA_TRUE on success, #EINA_FALSE on failure.
+ *
+ * This function sets up the accessor module of Eina. It is called by
+ * eina_init().
+ *
+ * @see eina_init()
+ */
+Eina_Bool
+eina_accessor_init(void)
+{
+   return eina_magic_string_set(EINA_MAGIC_ACCESSOR, EINA_MAGIC_ACCESSOR_STR);
+}
+
+/**
+ * @internal
+ * @brief Shut down the accessor module.
+ *
+ * @return #EINA_TRUE on success, #EINA_FALSE on failure.
+ *
+ * This function shuts down the accessor module set up by
+ * eina_accessor_init(). It is called by eina_shutdown().
+ *
+ * @see eina_shutdown()
+ */
+Eina_Bool
+eina_accessor_shutdown(void)
+{
+   return EINA_TRUE;
+}
+
+/*============================================================================*
+*                                   API                                      *
+*============================================================================*/
+
+
+EAPI void
+eina_accessor_free(Eina_Accessor *accessor)
+{
+   EINA_MAGIC_CHECK_ACCESSOR(accessor);
+   EINA_SAFETY_ON_NULL_RETURN(accessor);
+   EINA_SAFETY_ON_NULL_RETURN(accessor->free);
+   accessor->free(accessor);
+}
+
+EAPI void *
+eina_accessor_container_get(Eina_Accessor *accessor)
+{
+   EINA_MAGIC_CHECK_ACCESSOR(accessor);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(accessor,                NULL);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(accessor->get_container, NULL);
+   return accessor->get_container(accessor);
+}
+
+EAPI Eina_Bool
+eina_accessor_data_get(Eina_Accessor *accessor,
+                       unsigned int position,
+                       void **data)
+{
+   EINA_MAGIC_CHECK_ACCESSOR(accessor);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(accessor,         EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(accessor->get_at, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(data,             EINA_FALSE);
+   return accessor->get_at(accessor, position, data);
+}
+
+EAPI void
+eina_accessor_over(Eina_Accessor *accessor,
+                   Eina_Each_Cb cb,
+                   unsigned int start,
+                   unsigned int end,
+                   const void *fdata)
+{
+   const void *container;
+   void *data;
+   unsigned int i;
+
+   EINA_MAGIC_CHECK_ACCESSOR(accessor);
+   EINA_SAFETY_ON_NULL_RETURN(accessor);
+   EINA_SAFETY_ON_NULL_RETURN(accessor->get_container);
+   EINA_SAFETY_ON_NULL_RETURN(accessor->get_at);
+   EINA_SAFETY_ON_NULL_RETURN(cb);
+   EINA_SAFETY_ON_FALSE_RETURN(start < end);
+
+   if (!eina_accessor_lock(accessor))
+      return ;
+
+   container = accessor->get_container(accessor);
+   for (i = start; i < end && accessor->get_at(accessor, i, &data) == EINA_TRUE;
+        ++i)
+      if (cb(container, data, (void *)fdata) != EINA_TRUE)
+         goto on_exit;
+
+ on_exit:
+   (void) eina_accessor_unlock(accessor);
+}
+
+EAPI Eina_Bool
+eina_accessor_lock(Eina_Accessor *accessor)
+{
+   EINA_MAGIC_CHECK_ACCESSOR(accessor);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(accessor, EINA_FALSE);
+
+   if (accessor->lock)
+      return accessor->lock(accessor);
+   return EINA_TRUE;
+}
+
+EAPI Eina_Bool
+eina_accessor_unlock(Eina_Accessor *accessor)
+{
+   EINA_MAGIC_CHECK_ACCESSOR(accessor);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(accessor, EINA_FALSE);
+
+   if (accessor->unlock)
+      return accessor->unlock(accessor);
+   return EINA_TRUE;
+}