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| </pre><pre class="rust"><code><span class="comment">// Copyright 2013-2014 The Rust Project Developers. |
| // Copyright 2018 The Uuid Project Developers. |
| // |
| // See the COPYRIGHT file at the top-level directory of this distribution. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| </span><span class="kw">use </span><span class="kw">crate</span>::prelude::<span class="kw-2">*</span>; |
| <span class="kw">use </span>core::fmt; |
| <span class="kw">use </span>serde::{de, Deserialize, Deserializer, Serialize, Serializer}; |
| |
| <span class="kw">impl </span>Serialize <span class="kw">for </span>Uuid { |
| <span class="kw">fn </span>serialize<S: Serializer>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| serializer: S, |
| ) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> { |
| <span class="kw">if </span>serializer.is_human_readable() { |
| serializer |
| .serialize_str(<span class="kw-2">&</span><span class="self">self</span>.to_hyphenated().encode_lower(<span class="kw-2">&mut </span>[<span class="number">0</span>; <span class="number">36</span>])) |
| } <span class="kw">else </span>{ |
| serializer.serialize_bytes(<span class="self">self</span>.as_bytes()) |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> Deserialize<<span class="lifetime">'de</span>> <span class="kw">for </span>Uuid { |
| <span class="kw">fn </span>deserialize<D: Deserializer<<span class="lifetime">'de</span>>>( |
| deserializer: D, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, D::Error> { |
| <span class="kw">fn </span>de_error<E: de::Error>(e: <span class="kw">crate</span>::Error) -> E { |
| E::custom(<span class="macro">format_args!</span>(<span class="string">"UUID parsing failed: {}"</span>, e)) |
| } |
| |
| <span class="kw">if </span>deserializer.is_human_readable() { |
| <span class="kw">struct </span>UuidStringVisitor; |
| |
| <span class="kw">impl</span><<span class="lifetime">'vi</span>> de::Visitor<<span class="lifetime">'vi</span>> <span class="kw">for </span>UuidStringVisitor { |
| <span class="kw">type </span>Value = Uuid; |
| |
| <span class="kw">fn </span>expecting( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| formatter: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>, |
| ) -> fmt::Result { |
| <span class="macro">write!</span>(formatter, <span class="string">"a UUID string"</span>) |
| } |
| |
| <span class="kw">fn </span>visit_str<E: de::Error>( |
| <span class="self">self</span>, |
| value: <span class="kw-2">&</span>str, |
| ) -> <span class="prelude-ty">Result</span><Uuid, E> { |
| value.parse::<Uuid>().map_err(de_error) |
| } |
| |
| <span class="kw">fn </span>visit_bytes<E: de::Error>( |
| <span class="self">self</span>, |
| value: <span class="kw-2">&</span>[u8], |
| ) -> <span class="prelude-ty">Result</span><Uuid, E> { |
| Uuid::from_slice(value).map_err(de_error) |
| } |
| } |
| |
| deserializer.deserialize_str(UuidStringVisitor) |
| } <span class="kw">else </span>{ |
| <span class="kw">struct </span>UuidBytesVisitor; |
| |
| <span class="kw">impl</span><<span class="lifetime">'vi</span>> de::Visitor<<span class="lifetime">'vi</span>> <span class="kw">for </span>UuidBytesVisitor { |
| <span class="kw">type </span>Value = Uuid; |
| |
| <span class="kw">fn </span>expecting( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| formatter: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>, |
| ) -> fmt::Result { |
| <span class="macro">write!</span>(formatter, <span class="string">"bytes"</span>) |
| } |
| |
| <span class="kw">fn </span>visit_bytes<E: de::Error>( |
| <span class="self">self</span>, |
| value: <span class="kw-2">&</span>[u8], |
| ) -> <span class="prelude-ty">Result</span><Uuid, E> { |
| Uuid::from_slice(value).map_err(de_error) |
| } |
| } |
| |
| deserializer.deserialize_bytes(UuidBytesVisitor) |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>serde_tests { |
| <span class="kw">use </span>serde_test::{Compact, Configure, Readable, Token}; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::prelude::<span class="kw-2">*</span>; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_serialize_readable() { |
| <span class="kw">let </span>uuid_str = <span class="string">"f9168c5e-ceb2-4faa-b6bf-329bf39fa1e4"</span>; |
| <span class="kw">let </span>u = Uuid::parse_str(uuid_str).unwrap(); |
| serde_test::assert_tokens(<span class="kw-2">&</span>u.readable(), <span class="kw-2">&</span>[Token::Str(uuid_str)]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_serialize_compact() { |
| <span class="kw">let </span>uuid_bytes = <span class="string">b"F9168C5E-CEB2-4F"</span>; |
| <span class="kw">let </span>u = Uuid::from_slice(uuid_bytes).unwrap(); |
| serde_test::assert_tokens(<span class="kw-2">&</span>u.compact(), <span class="kw-2">&</span>[Token::Bytes(uuid_bytes)]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_de_failure() { |
| serde_test::assert_de_tokens_error::<Readable<Uuid>>( |
| <span class="kw-2">&</span>[Token::Str(<span class="string">"hello_world"</span>)], |
| <span class="string">"UUID parsing failed: invalid length: expected one of [36, 32], found 11"</span>, |
| ); |
| |
| serde_test::assert_de_tokens_error::<Compact<Uuid>>( |
| <span class="kw-2">&</span>[Token::Bytes(<span class="string">b"hello_world"</span>)], |
| <span class="string">"UUID parsing failed: invalid bytes length: expected 16, found 11"</span>, |
| ); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="uuid" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
