aws_sdk_dynamodb/protocol_serde/
shape_attribute_value.rs1pub fn ser_attribute_value(
3 object_6: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
4 input: &crate::types::AttributeValue,
5) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
6 match input {
7 crate::types::AttributeValue::S(inner) => {
8 object_6.key("S").string(inner.as_str());
9 }
10 crate::types::AttributeValue::N(inner) => {
11 object_6.key("N").string(inner.as_str());
12 }
13 crate::types::AttributeValue::B(inner) => {
14 object_6.key("B").string_unchecked(&::aws_smithy_types::base64::encode(inner));
15 }
16 crate::types::AttributeValue::Ss(inner) => {
17 let mut array_1 = object_6.key("SS").start_array();
18 for item_2 in inner {
19 {
20 array_1.value().string(item_2.as_str());
21 }
22 }
23 array_1.finish();
24 }
25 crate::types::AttributeValue::Ns(inner) => {
26 let mut array_3 = object_6.key("NS").start_array();
27 for item_4 in inner {
28 {
29 array_3.value().string(item_4.as_str());
30 }
31 }
32 array_3.finish();
33 }
34 crate::types::AttributeValue::Bs(inner) => {
35 let mut array_5 = object_6.key("BS").start_array();
36 for item_6 in inner {
37 {
38 array_5.value().string_unchecked(&::aws_smithy_types::base64::encode(item_6));
39 }
40 }
41 array_5.finish();
42 }
43 crate::types::AttributeValue::M(inner) => {
44 #[allow(unused_mut)]
45 let mut object_7 = object_6.key("M").start_object();
46 for (key_8, value_9) in inner {
47 {
48 #[allow(unused_mut)]
49 let mut object_10 = object_7.key(key_8.as_str()).start_object();
50 crate::protocol_serde::shape_attribute_value::ser_attribute_value(&mut object_10, value_9)?;
51 object_10.finish();
52 }
53 }
54 object_7.finish();
55 }
56 crate::types::AttributeValue::L(inner) => {
57 let mut array_11 = object_6.key("L").start_array();
58 for item_12 in inner {
59 {
60 #[allow(unused_mut)]
61 let mut object_13 = array_11.value().start_object();
62 crate::protocol_serde::shape_attribute_value::ser_attribute_value(&mut object_13, item_12)?;
63 object_13.finish();
64 }
65 }
66 array_11.finish();
67 }
68 crate::types::AttributeValue::Null(inner) => {
69 object_6.key("NULL").boolean(*inner);
70 }
71 crate::types::AttributeValue::Bool(inner) => {
72 object_6.key("BOOL").boolean(*inner);
73 }
74 crate::types::AttributeValue::Unknown => {
75 return Err(::aws_smithy_types::error::operation::SerializationError::unknown_variant(
76 "AttributeValue",
77 ))
78 }
79 }
80 Ok(())
81}
82
83pub(crate) fn de_attribute_value<'a, I>(
84 tokens: &mut ::std::iter::Peekable<I>,
85) -> ::std::result::Result<Option<crate::types::AttributeValue>, ::aws_smithy_json::deserialize::error::DeserializeError>
86where
87 I: Iterator<Item = Result<::aws_smithy_json::deserialize::Token<'a>, ::aws_smithy_json::deserialize::error::DeserializeError>>,
88{
89 let mut variant = None;
90 match tokens.next().transpose()? {
91 Some(::aws_smithy_json::deserialize::Token::ValueNull { .. }) => return Ok(None),
92 Some(::aws_smithy_json::deserialize::Token::StartObject { .. }) => loop {
93 match tokens.next().transpose()? {
94 Some(::aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
95 Some(::aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
96 if let ::std::option::Option::Some(::std::result::Result::Ok(::aws_smithy_json::deserialize::Token::ValueNull { .. })) =
97 tokens.peek()
98 {
99 let _ = tokens.next().expect("peek returned a token")?;
100 continue;
101 }
102 let key = key.to_unescaped()?;
103 if key == "__type" {
104 ::aws_smithy_json::deserialize::token::skip_value(tokens)?;
105 continue;
106 }
107 if variant.is_some() {
108 return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
109 "encountered mixed variants in union",
110 ));
111 }
112 variant = match key.as_ref() {
113 "S" => Some(crate::types::AttributeValue::S(
114 ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
115 .map(|s| s.to_unescaped().map(|u| u.into_owned()))
116 .transpose()?
117 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'S' cannot be null"))?,
118 )),
119 "N" => Some(crate::types::AttributeValue::N(
120 ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
121 .map(|s| s.to_unescaped().map(|u| u.into_owned()))
122 .transpose()?
123 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'N' cannot be null"))?,
124 )),
125 "B" => Some(crate::types::AttributeValue::B(
126 ::aws_smithy_json::deserialize::token::expect_blob_or_null(tokens.next())?
127 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'B' cannot be null"))?,
128 )),
129 "SS" => Some(crate::types::AttributeValue::Ss(
130 crate::protocol_serde::shape_string_set_attribute_value::de_string_set_attribute_value(tokens)?
131 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'SS' cannot be null"))?,
132 )),
133 "NS" => Some(crate::types::AttributeValue::Ns(
134 crate::protocol_serde::shape_number_set_attribute_value::de_number_set_attribute_value(tokens)?
135 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'NS' cannot be null"))?,
136 )),
137 "BS" => Some(crate::types::AttributeValue::Bs(
138 crate::protocol_serde::shape_binary_set_attribute_value::de_binary_set_attribute_value(tokens)?
139 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'BS' cannot be null"))?,
140 )),
141 "M" => Some(crate::types::AttributeValue::M(
142 crate::protocol_serde::shape_map_attribute_value::de_map_attribute_value(tokens)?
143 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'M' cannot be null"))?,
144 )),
145 "L" => Some(crate::types::AttributeValue::L(
146 crate::protocol_serde::shape_list_attribute_value::de_list_attribute_value(tokens)?
147 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'L' cannot be null"))?,
148 )),
149 "NULL" => Some(crate::types::AttributeValue::Null(
150 ::aws_smithy_json::deserialize::token::expect_bool_or_null(tokens.next())?
151 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'NULL' cannot be null"))?,
152 )),
153 "BOOL" => Some(crate::types::AttributeValue::Bool(
154 ::aws_smithy_json::deserialize::token::expect_bool_or_null(tokens.next())?
155 .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'BOOL' cannot be null"))?,
156 )),
157 _ => {
158 ::aws_smithy_json::deserialize::token::skip_value(tokens)?;
159 Some(crate::types::AttributeValue::Unknown)
160 }
161 };
162 }
163 other => {
164 return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
165 "expected object key or end object, found: {:?}",
166 other
167 )))
168 }
169 }
170 },
171 _ => {
172 return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
173 "expected start object or null",
174 ))
175 }
176 }
177 if variant.is_none() {
178 return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
179 "Union did not contain a valid variant.",
180 ));
181 }
182 Ok(variant)
183}