From bac3da61644515f05663789b122554dc77549286 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 17 Jan 2019 13:47:57 +0100 Subject: This is the first commit of the hicn project Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f Signed-off-by: Luca Muscariello --- hicn-light/src/utils/addressList.h | 196 +++++++++++++++++++++++++++++++++++++ 1 file changed, 196 insertions(+) create mode 100755 hicn-light/src/utils/addressList.h (limited to 'hicn-light/src/utils/addressList.h') diff --git a/hicn-light/src/utils/addressList.h b/hicn-light/src/utils/addressList.h new file mode 100755 index 000000000..bcb312c14 --- /dev/null +++ b/hicn-light/src/utils/addressList.h @@ -0,0 +1,196 @@ +/* + * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * @brief A list of Address instances. + * + * An AddressList is a list of addresses. + * It wraps a PARCLinkedList for type saftey with Address. + * + */ +#ifndef address_list_h +#define address_list_h + +#include + +struct address_list; +/** + * @typedef AddressList + * @abstract A list of Address instance pointers. + */ +typedef struct address_list AddressList; + +/** + * Create an instance of {@link AddressList} + * + * @return NULL An error occurred + * @return non-NULL A pointer to a valid AddressList instance. + * + * Example: + * @code + * { + * AddressList *list = addressListCreate(); + * + * } + * @endcode + * + * @see addressListDestroy + */ +AddressList *addressListCreate(void); + +/** + * Dellocate and destroy a AddressList instance. + * + * @param [in] addressListPtr A pointer to a pointer to a valid {@link + * AddressList}. + * + * + * Example: + * @code + * { + * AddressList *list = addressListCreate(void); + * addressListDestroy(&list); + * } + * @endcode + * + * @see addressListCreate + */ +void addressListDestroy(AddressList **addressListPtr); + +/** + * Appends the address, taking ownership of the memory + * + * @param list A pointer to a AddressList. + * @param address must be non-null + * @return The input list + * + * Example: + * @code + * <#example#> + * @endcode + */ +AddressList *addressListAppend(AddressList *list, Address *address); + +/** + * Creates a reference counted copy + * + * @param list A pointer to a valid {@link AddressList}. + * + * @return An allocated list, you must destroy it. + * + * Example: + * @code + * <#example#> + * @endcode + */ +AddressList *addressListCopy(const AddressList *list); + +/** + * Determine if two AddressList instances are equal. + * + * Two AddressList instances are equal if, and only if, they have the same + * length, with the same elements in the same order. + * + * + * The following equivalence relations on non-null `AddressList` instances are + * maintained: + * + * * It is reflexive: for any non-null reference value x, + * `AddressList_Equals(x, x)` must return true. + * + * * It is symmetric: for any non-null reference values x and y, + * `AddressList_Equals(x, y)` must return true if and only if + * `addressListEquals(y, x)` returns true. + * + * * It is transitive: for any non-null reference values x, y, and z, if + * `addressListEquals(x, y)` returns true and + * `addressListEquals(y, z)` returns true, + * then `addressListEquals(x, z)` must return true. + * + * * It is consistent: for any non-null reference values x and y, multiple + * invocations of `addressListEquals(x, y)` consistently return true or + * consistently return false. + * + * * For any non-null reference value x, `addressListEquals(x, NULL)` must + * return false. + * + * @param a A pointer to a `AddressList` instance. + * @param b A pointer to a `AddressList` instance. + * @return true if the two `AddressList` instances are equal. + * + * Example: + * @code + * { + * AddressList *a = addressListCreate(); + * AddressList *b = addressListCreate(); + * + * if (addressListEquals(a, b)) { + * // true + * } else { + * // false + * } + * } + * @endcode + */ +bool addressListEquals(const AddressList *a, const AddressList *b); + +/** + * Get the number of items in the list + * + * @param list A pointer to a {@link AddressList}. + * @return The number of items in the list. + * + * Example: + * @code + * <#example#> + * @endcode + */ +size_t addressListLength(const AddressList *list); + +/** + * Returns a const reference to an item. + * Use addressCopy if needed. + * + * Do not free or modify the returned value. + * Use addressCopy if you need a mutable instance. + * + * @param list A pointer to a AddressList. + * @param item A value less than the number of items in the given {@link + * AddressList}. + * @return Asserts if item off end of list. + * + * Example: + * @code + * <#example#> + * @endcode + */ +const Address *addressListGetItem(const AddressList *list, size_t item); + +/** + * Get a nul-terminated, C-string representation of the given {@link + * AddressList}. + * + * @param list A pointer to a valid {@link AddressList} instance. + * + * @return An allocate string representation of the {@link AddressList} that + * must be freed via `parcMemory_Deallocate()`. + * + * Example: + * @code + * <#example#> + * @endcode + */ +char *addressListToString(const AddressList *list); +#endif // address_list_h -- cgit 1.2.3-korg