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+/*************************************************************************
+ * Copyright (C) 2010 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension 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 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension 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 program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/**
+ * @file
+ * Simple associative arrays.
+ */
+
+/** A string-object associative array. */
+typedef struct dmnsn_dictionary dmnsn_dictionary;
+
+/**
+ * Allocate a dictionary.
+ * @param[in] obj_size The size of the objects to store in the dictionary.
+ * @return An empty dictionary.
+ */
+dmnsn_dictionary *dmnsn_new_dictionary(size_t obj_size);
+
+/**
+ * Delete a dictionary.
+ * @param[in,out] dict The dictionary to delete.
+ */
+void dmnsn_delete_dictionary(dmnsn_dictionary *dict);
+
+/**
+ * Find an element in a dictionary.
+ * @param[in] dict The dictionary to search.
+ * @param[in] key The key to search for.
+ * @param[out] obj The location to store the found object.
+ * @return Whether the element was found.
+ */
+bool dmnsn_dictionary_get(const dmnsn_dictionary *dict, const char *key,
+ void *obj);
+
+/**
+ * Access an element in a dictionary.
+ * @param[in] dict The dictionary to search.
+ * @param[in] key The key to search for.
+ * @return A pointer to the element if found, otherwise NULL.
+ */
+void *dmnsn_dictionary_at(const dmnsn_dictionary *dict, const char *key);
+
+/**
+ * Insert a (key, value) pair into a dictionary.
+ * @param[in,out] dict The dictionary to modify.
+ * @param[in] key The key to insert.
+ * @param[in] obj The object to insert.
+ */
+void dmnsn_dictionary_insert(dmnsn_dictionary *dict, const char *key,
+ const void *obj);
+
+/**
+ * Remove a (key, value) pair from a dictionary.
+ * @param[in,out] dict The dictionary to modify.
+ * @param[in] key The key to remove.
+ * @return Whether the key existed in the dictionary.
+ */
+bool dmnsn_dictionary_remove(dmnsn_dictionary *dict, const char *key);
+
+/**
+ * Apply a callback to all elements in a dictionary.
+ * @param[in,out] dict The dictionary.
+ * @param[in] callback The callback to apply to the elements.
+ */
+void dmnsn_dictionary_apply(dmnsn_dictionary *dict,
+ dmnsn_callback_fn *callback);