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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 crate</span>::{ |
| error::<span class="kw-2">*</span>, |
| fmt::{Braced, Hyphenated, Simple, Urn}, |
| std::fmt, |
| Uuid, |
| }; |
| <span class="kw">use </span>serde::{ |
| de::{<span class="self">self</span>, Error <span class="kw">as _</span>}, |
| 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="self">self</span>.hyphenated().encode_lower(<span class="kw-2">&mut </span>Uuid::encode_buffer())) |
| } <span class="kw">else </span>{ |
| serializer.serialize_bytes(<span class="self">self</span>.as_bytes()) |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Serialize <span class="kw">for </span>Hyphenated { |
| <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> { |
| serializer.serialize_str(<span class="self">self</span>.encode_lower(<span class="kw-2">&mut </span>Uuid::encode_buffer())) |
| } |
| } |
| |
| <span class="kw">impl </span>Serialize <span class="kw">for </span>Simple { |
| <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> { |
| serializer.serialize_str(<span class="self">self</span>.encode_lower(<span class="kw-2">&mut </span>Uuid::encode_buffer())) |
| } |
| } |
| |
| <span class="kw">impl </span>Serialize <span class="kw">for </span>Urn { |
| <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> { |
| serializer.serialize_str(<span class="self">self</span>.encode_lower(<span class="kw-2">&mut </span>Uuid::encode_buffer())) |
| } |
| } |
| |
| <span class="kw">impl </span>Serialize <span class="kw">for </span>Braced { |
| <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> { |
| serializer.serialize_str(<span class="self">self</span>.encode_lower(<span class="kw-2">&mut </span>Uuid::encode_buffer())) |
| } |
| } |
| |
| <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: 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>UuidVisitor; |
| |
| <span class="kw">impl</span><<span class="lifetime">'vi</span>> de::Visitor<<span class="lifetime">'vi</span>> <span class="kw">for </span>UuidVisitor { |
| <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) |
| } |
| |
| <span class="kw">fn </span>visit_seq<A>(<span class="self">self</span>, <span class="kw-2">mut </span>seq: A) -> <span class="prelude-ty">Result</span><Uuid, A::Error> |
| <span class="kw">where |
| </span>A: de::SeqAccess<<span class="lifetime">'vi</span>>, |
| { |
| <span class="attribute">#[rustfmt::skip] |
| </span><span class="kw">let </span>bytes = [ |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| <span class="kw">match </span>seq.next_element()<span class="question-mark">? </span>{ <span class="prelude-val">Some</span>(e) => e, <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(A::Error::invalid_length(<span class="number">16</span>, <span class="kw-2">&</span><span class="self">self</span>)) }, |
| ]; |
| |
| <span class="prelude-val">Ok</span>(Uuid::from_bytes(bytes)) |
| } |
| } |
| |
| deserializer.deserialize_str(UuidVisitor) |
| } <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="kw">pub mod </span>compact { |
| <span class="doccomment">//! Serialize a [`Uuid`] as a `[u8; 16]`. |
| //! |
| //! [`Uuid`]: ../../struct.Uuid.html |
| |
| /// Serialize from a [`Uuid`] as a `[u8; 16]` |
| /// |
| /// [`Uuid`]: ../../struct.Uuid.html |
| </span><span class="kw">pub fn </span>serialize<S>(u: <span class="kw-2">&</span><span class="kw">crate</span>::Uuid, serializer: S) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> |
| <span class="kw">where |
| </span>S: serde::Serializer, |
| { |
| serde::Serialize::serialize(u.as_bytes(), serializer) |
| } |
| |
| <span class="doccomment">/// Deserialize a `[u8; 16]` as a [`Uuid`] |
| /// |
| /// [`Uuid`]: ../../struct.Uuid.html |
| </span><span class="kw">pub fn </span>deserialize<<span class="lifetime">'de</span>, D>(deserializer: D) -> <span class="prelude-ty">Result</span><<span class="kw">crate</span>::Uuid, D::Error> |
| <span class="kw">where |
| </span>D: serde::Deserializer<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">let </span>bytes: [u8; <span class="number">16</span>] = serde::Deserialize::deserialize(deserializer)<span class="question-mark">?</span>; |
| |
| <span class="prelude-val">Ok</span>(<span class="kw">crate</span>::Uuid::from_bytes(bytes)) |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>tests { |
| <span class="kw">use </span>serde_derive::<span class="kw-2">*</span>; |
| <span class="kw">use </span>serde_test::{<span class="self">self</span>, Configure}; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_serialize_compact() { |
| <span class="attribute">#[derive(Serialize, Debug, Deserialize, PartialEq)] |
| </span><span class="kw">struct </span>UuidContainer { |
| <span class="attribute">#[serde(with = <span class="string">"crate::serde::compact"</span>)] |
| </span>u: <span class="kw">crate</span>::Uuid, |
| } |
| |
| <span class="kw">let </span>uuid_bytes = <span class="string">b"F9168C5E-CEB2-4F"</span>; |
| <span class="kw">let </span>container = UuidContainer { |
| u: <span class="kw">crate</span>::Uuid::from_slice(uuid_bytes).unwrap(), |
| }; |
| |
| <span class="comment">// more complex because of the struct wrapping the actual UUID |
| // serialization |
| </span>serde_test::assert_tokens( |
| <span class="kw-2">&</span>container.compact(), |
| <span class="kw-2">&</span>[ |
| serde_test::Token::Struct { |
| name: <span class="string">"UuidContainer"</span>, |
| len: <span class="number">1</span>, |
| }, |
| serde_test::Token::Str(<span class="string">"u"</span>), |
| serde_test::Token::Tuple { len: <span class="number">16 </span>}, |
| serde_test::Token::U8(uuid_bytes[<span class="number">0</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">1</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">2</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">3</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">4</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">5</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">6</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">7</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">8</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">9</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">10</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">11</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">12</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">13</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">14</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">15</span>]), |
| serde_test::Token::TupleEnd, |
| serde_test::Token::StructEnd, |
| ], |
| ) |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>serde_tests { |
| <span class="kw">use super</span>::<span class="kw-2">*</span>; |
| |
| <span class="kw">use </span>serde_test::{Compact, Configure, Readable, Token}; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_serialize_readable_string() { |
| <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_deserialize_readable_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_de_tokens( |
| <span class="kw-2">&</span>u.readable(), |
| <span class="kw-2">&</span>[ |
| serde_test::Token::Tuple { len: <span class="number">16 </span>}, |
| serde_test::Token::U8(uuid_bytes[<span class="number">0</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">1</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">2</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">3</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">4</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">5</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">6</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">7</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">8</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">9</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">10</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">11</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">12</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">13</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">14</span>]), |
| serde_test::Token::U8(uuid_bytes[<span class="number">15</span>]), |
| serde_test::Token::TupleEnd, |
| ], |
| ); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_deserialize_readable_bytes() { |
| <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_de_tokens(<span class="kw-2">&</span>u.readable(), <span class="kw-2">&</span>[serde_test::Token::Bytes(uuid_bytes)]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_serialize_hyphenated() { |
| <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_ser_tokens(<span class="kw-2">&</span>u.hyphenated(), <span class="kw-2">&</span>[Token::Str(uuid_str)]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_serialize_simple() { |
| <span class="kw">let </span>uuid_str = <span class="string">"f9168c5eceb24faab6bf329bf39fa1e4"</span>; |
| <span class="kw">let </span>u = Uuid::parse_str(uuid_str).unwrap(); |
| serde_test::assert_ser_tokens(<span class="kw-2">&</span>u.simple(), <span class="kw-2">&</span>[Token::Str(uuid_str)]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_serialize_urn() { |
| <span class="kw">let </span>uuid_str = <span class="string">"urn:uuid:f9168c5e-ceb2-4faa-b6bf-329bf39fa1e4"</span>; |
| <span class="kw">let </span>u = Uuid::parse_str(uuid_str).unwrap(); |
| serde_test::assert_ser_tokens(<span class="kw-2">&</span>u.urn(), <span class="kw-2">&</span>[Token::Str(uuid_str)]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_serialize_braced() { |
| <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_ser_tokens(<span class="kw-2">&</span>u.braced(), <span class="kw-2">&</span>[Token::Str(uuid_str)]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_serialize_non_human_readable() { |
| <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>[serde_test::Token::Bytes(<span class="kw-2">&</span>[ |
| <span class="number">70</span>, <span class="number">57</span>, <span class="number">49</span>, <span class="number">54</span>, <span class="number">56</span>, <span class="number">67</span>, <span class="number">53</span>, <span class="number">69</span>, <span class="number">45</span>, <span class="number">67</span>, <span class="number">69</span>, <span class="number">66</span>, <span class="number">50</span>, <span class="number">45</span>, <span class="number">52</span>, <span class="number">70</span>, |
| ])], |
| ); |
| } |
| |
| <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 character: expected an optional prefix of `urn:uuid:` followed by [0-9a-fA-F-], found `h` at 1"</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 length: expected 16 bytes, 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> |