catbuffer_rust/namespace_path_builder.rs
1/*
2 * // Copyright (c) 2016-2019, Jaguar0625, gimre, BloodyRookie, Tech Bureau, Corp.
3 * // Copyright (c) 2020-present, Jaguar0625, gimre, BloodyRookie.
4 * // All rights reserved.
5 * //
6 * // This file is part of Catapult.
7 * //
8 * // Catapult is free software: you can redistribute it and/or modify
9 * // it under the terms of the GNU Lesser General Public License as published by
10 * // the Free Software Foundation, either version 3 of the License, or
11 * // (at your option) any later version.
12 * //
13 * // Catapult is distributed in the hope that it will be useful,
14 * // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * // GNU Lesser General Public License for more details.
17 * //
18 * // You should have received a copy of the GNU Lesser General Public License
19 * // along with Catapult. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22use super::generator_utils::*;
23use super::namespace_alias_builder::*;
24use super::namespace_id_dto::*;
25
26/// Binary layout for a namespace path.
27#[derive(Debug, Clone)]
28pub struct NamespacePathBuilder {
29 /// Namespace path (excluding root id).
30 path: Vec<NamespaceIdDto>,
31 /// Namespace alias.
32 alias: NamespaceAliasBuilder,
33}
34
35
36impl NamespacePathBuilder {
37 /// Creates an instance of NamespacePathBuilder from binary payload.
38 /// payload: Byte payload to use to serialize the object.
39 /// # Returns
40 /// A NamespacePathBuilder.
41 pub fn from_binary(_bytes: &[u8]) -> Self {
42 let buf = fixed_bytes::<1>(&_bytes);
43 let pathSize = u8::from_le_bytes(buf); // kind:SIZE_FIELD
44 let mut _bytes = (&_bytes[1..]).to_vec();
45 let mut path: Vec<NamespaceIdDto> = vec![]; // kind:ARRAY
46 let mut _bytes = _bytes.to_vec();
47 for _ in 0..pathSize {
48 let item = NamespaceIdDto::from_binary(&_bytes);
49 path.push(item.clone());
50 _bytes = (&_bytes[item.get_size()..]).to_vec();
51 }
52 let alias = NamespaceAliasBuilder::from_binary(&_bytes); // kind:CUSTOM1
53 let mut _bytes = _bytes[alias.get_size()..].to_vec();
54 NamespacePathBuilder { path, alias }
55 }
56
57 /// Gets namespace path (excluding root id).
58 ///
59 /// # Returns
60 /// A Namespace path (excluding root id).
61 pub fn get_path(&self) -> Vec<NamespaceIdDto> {
62 self.path.clone() // ARRAY or FILL_ARRAY
63 }
64
65 /// Gets namespace alias.
66 ///
67 /// # Returns
68 /// A Namespace alias.
69 pub fn get_alias(&self) -> NamespaceAliasBuilder {
70 self.alias.clone()
71 }
72
73 /// Gets the size of the type.
74 ///
75 /// Returns:
76 /// A size in bytes.
77 pub fn get_size(&self) -> usize {
78 let mut size = 0;
79 size += 1; // path_size;
80 size += self.path.iter().map(|item| item.get_size()).sum::<usize>(); // array or fill_array;
81 size += self.alias.get_size(); // alias;
82 size
83 }
84
85 /// Serializes self to bytes.
86 ///
87 /// # Returns
88 /// A Serialized bytes.
89 pub fn serializer(&self) -> Vec<u8> {
90 let mut buf: Vec<u8> = vec![];
91 buf.append(&mut (self.get_path().len() as u8).to_le_bytes().to_vec()); // kind:SIZE_FIELD
92 for i in &self.path {
93 buf.append(&mut i.serializer()); // kind:ARRAY|FILL_ARRAY
94 }
95 buf.append(&mut self.alias.serializer()); // kind:CUSTOM
96 buf
97 }
98}
99