pub(crate) fn de_reference_summary<'a, I>(
tokens: &mut ::std::iter::Peekable<I>,
) -> ::std::result::Result<Option<crate::types::ReferenceSummary>, ::aws_smithy_json::deserialize::error::DeserializeError>
where
I: Iterator<Item = Result<::aws_smithy_json::deserialize::Token<'a>, ::aws_smithy_json::deserialize::error::DeserializeError>>,
{
let mut variant = None;
match tokens.next().transpose()? {
Some(::aws_smithy_json::deserialize::Token::ValueNull { .. }) => return Ok(None),
Some(::aws_smithy_json::deserialize::Token::StartObject { .. }) => loop {
match tokens.next().transpose()? {
Some(::aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
Some(::aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
if let ::std::option::Option::Some(::std::result::Result::Ok(::aws_smithy_json::deserialize::Token::ValueNull { .. })) =
tokens.peek()
{
let _ = tokens.next().expect("peek returned a token")?;
continue;
}
let key = key.to_unescaped()?;
if key == "__type" {
::aws_smithy_json::deserialize::token::skip_value(tokens)?;
continue;
}
if variant.is_some() {
return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
"encountered mixed variants in union",
));
}
variant = match key.as_ref() {
"Url" => Some(crate::types::ReferenceSummary::Url(
crate::protocol_serde::shape_url_reference::de_url_reference(tokens)?
.ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Url' cannot be null"))?,
)),
"Attachment" => Some(crate::types::ReferenceSummary::Attachment(
crate::protocol_serde::shape_attachment_reference::de_attachment_reference(tokens)?.ok_or_else(|| {
::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Attachment' cannot be null")
})?,
)),
"EmailMessage" => Some(crate::types::ReferenceSummary::EmailMessage(
crate::protocol_serde::shape_email_message_reference::de_email_message_reference(tokens)?.ok_or_else(|| {
::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'EmailMessage' cannot be null")
})?,
)),
"EmailMessagePlainText" => Some(crate::types::ReferenceSummary::EmailMessagePlainText(
crate::protocol_serde::shape_email_message_reference::de_email_message_reference(tokens)?.ok_or_else(|| {
::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'EmailMessagePlainText' cannot be null")
})?,
)),
"String" => Some(crate::types::ReferenceSummary::String(
crate::protocol_serde::shape_string_reference::de_string_reference(tokens)?.ok_or_else(|| {
::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'String' cannot be null")
})?,
)),
"Number" => Some(crate::types::ReferenceSummary::Number(
crate::protocol_serde::shape_number_reference::de_number_reference(tokens)?.ok_or_else(|| {
::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Number' cannot be null")
})?,
)),
"Date" => Some(crate::types::ReferenceSummary::Date(
crate::protocol_serde::shape_date_reference::de_date_reference(tokens)?
.ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Date' cannot be null"))?,
)),
"Email" => Some(crate::types::ReferenceSummary::Email(
crate::protocol_serde::shape_email_reference::de_email_reference(tokens)?
.ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Email' cannot be null"))?,
)),
_ => {
::aws_smithy_json::deserialize::token::skip_value(tokens)?;
Some(crate::types::ReferenceSummary::Unknown)
}
};
}
other => {
return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
"expected object key or end object, found: {other:?}"
)))
}
}
},
_ => {
return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
"expected start object or null",
))
}
}
if variant.is_none() {
return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
"Union did not contain a valid variant.",
));
}
Ok(variant)
}