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use serde::de::{Deserializer, Visitor, Error};
use std::ascii::AsciiExt;
pub struct Config {
pub limit: u64,
}
#[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
const _IMPL_DESERIALIZE_FOR_Config: () =
{
extern crate serde as _serde;
#[automatically_derived]
impl _serde::de::Deserialize for Config {
fn deserialize<__D>(deserializer: &mut __D)
-> ::std::result::Result<Config, __D::Error> where
__D: _serde::de::Deserializer {
{
#[allow(non_camel_case_types)]
enum __Field { __field0, }
impl _serde::de::Deserialize for __Field {
#[inline]
fn deserialize<__D>(deserializer: &mut __D)
-> ::std::result::Result<__Field, __D::Error> where
__D: _serde::de::Deserializer {
struct __FieldVisitor<__D> {
phantom: ::std::marker::PhantomData<__D>,
}
impl <__D> _serde::de::Visitor for
__FieldVisitor<__D> where
__D: _serde::de::Deserializer {
type
Value
=
__Field;
fn visit_usize<__E>(&mut self, value: usize)
-> ::std::result::Result<__Field, __E> where
__E: _serde::de::Error {
match value {
0usize => { Ok(__Field::__field0) }
_ => {
Err(_serde::de::Error::invalid_value("expected a field"))
}
}
}
fn visit_str<__E>(&mut self, value: &str)
-> ::std::result::Result<__Field, __E> where
__E: _serde::de::Error {
match value {
"limit" => { Ok(__Field::__field0) }
_ =>
Err(_serde::de::Error::unknown_field(value)),
}
}
fn visit_bytes<__E>(&mut self, value: &[u8])
-> ::std::result::Result<__Field, __E> where
__E: _serde::de::Error {
match value {
b"limit" => { Ok(__Field::__field0) }
_ => {
let value =
::std::string::String::from_utf8_lossy(value);
Err(_serde::de::Error::unknown_field(&value))
}
}
}
}
deserializer.deserialize_struct_field(__FieldVisitor::<__D>{phantom:
::std::marker::PhantomData,})
}
}
struct __Visitor<__D: _serde::de::Deserializer>(::std::marker::PhantomData<__D>);
impl <__D:
_serde::de::Deserializer> _serde::de::Visitor for
__Visitor<__D> {
type
Value
=
Config;
#[inline]
fn visit_seq<__V>(&mut self, mut visitor: __V)
-> ::std::result::Result<Config, __V::Error> where
__V: _serde::de::SeqVisitor {
{
let __field0 =
match {
struct __SerdeDeserializeWithStruct {
value: u64,
phantom: ::std::marker::PhantomData<Config>,
}
impl _serde::de::Deserialize for
__SerdeDeserializeWithStruct {
fn deserialize<__D>(__d:
&mut __D)
->
::std::result::Result<Self,
__D::Error>
where
__D: _serde::de::Deserializer {
let value =
try!(deserialize_limit
( __d ));
Ok(__SerdeDeserializeWithStruct{value:
value,
phantom:
::std::marker::PhantomData,})
}
}
try!(visitor . visit :: <
__SerdeDeserializeWithStruct
> (
)).map(|wrap| wrap.value)
} {
Some(value) => { value }
None => {
try!(visitor . end ( ));
return Err(_serde::de::Error::invalid_length(0usize));
}
};
try!(visitor . end ( ));
Ok(Config{limit: __field0,})
}
}
#[inline]
fn visit_map<__V>(&mut self, mut visitor: __V)
-> ::std::result::Result<Config, __V::Error> where
__V: _serde::de::MapVisitor {
{
let mut __field0: Option<u64> = None;
while let Some(key) =
try!(visitor . visit_key :: <
__Field > ( )) {
match key {
__Field::__field0 => {
if __field0.is_some() {
return Err(<__V::Error as
_serde::de::Error>::duplicate_field("limit"));
}
__field0 =
Some(({
struct __SerdeDeserializeWithStruct {
value: u64,
phantom: ::std::marker::PhantomData<Config>,
}
impl _serde::de::Deserialize
for
__SerdeDeserializeWithStruct
{
fn deserialize<__D>(__d:
&mut __D)
->
::std::result::Result<Self,
__D::Error>
where
__D: _serde::de::Deserializer {
let value =
try!(deserialize_limit
(
__d
));
Ok(__SerdeDeserializeWithStruct{value:
value,
phantom:
::std::marker::PhantomData,})
}
}
try!(visitor .
visit_value ::
<
__SerdeDeserializeWithStruct
> ( )).value
}));
}
}
}
try!(visitor . end ( ));
let __field0 =
match __field0 {
Some(__field0) => __field0,
None =>
return Err(<__V::Error as
_serde::de::Error>::missing_field("limit")),
};
Ok(Config{limit: __field0,})
}
}
}
const FIELDS: &'static [&'static str] = &["limit"];
deserializer.deserialize_struct("Config", FIELDS,
__Visitor::<__D>(::std::marker::PhantomData))
}
}
}
};
fn deserialize_limit<D>(d: &mut D) -> Result<u64, D::Error> where
D: Deserializer {
struct V;
impl Visitor for V {
type
Value
=
u64;
fn visit_u64<E>(&mut self, v: u64) -> Result<u64, E> where E: Error {
Ok(v)
}
fn visit_i64<E>(&mut self, v: i64) -> Result<u64, E> where E: Error {
if v < 0 { return Err(E::invalid_value("must be non-negative")); }
Ok(v as u64)
}
fn visit_str<E>(&mut self, v: &str) -> Result<u64, E> where E: Error {
let (number, unit) =
match v.find(|c: char| !c.is_digit(10)) {
Some(n) => (v[..n].trim(), Some(v[n..].trim())),
None => (v.trim(), None),
};
let number =
match number.parse::<u64>() {
Ok(n) => n,
Err(e) => return Err(E::invalid_value(&e.to_string())),
};
let unit =
match unit { Some(u) => u, None => return Ok(number), };
let number =
if unit.eq_ignore_ascii_case("b") {
Some(number)
} else if unit.eq_ignore_ascii_case("kb") ||
unit.eq_ignore_ascii_case("kib") {
number.checked_mul(1024)
} else if unit.eq_ignore_ascii_case("mb") ||
unit.eq_ignore_ascii_case("mib") {
number.checked_mul(1024 * 1024)
} else if unit.eq_ignore_ascii_case("gb") ||
unit.eq_ignore_ascii_case("gib") {
number.checked_mul(1024 * 1024 * 1024)
} else if unit.eq_ignore_ascii_case("tb") ||
unit.eq_ignore_ascii_case("tib") {
number.checked_mul(1024 * 1024 * 1024 * 1024)
} else {
return Err(E::invalid_value(&format!("invalid unit `{}`" ,
unit)));
};
match number {
Some(n) => Ok(n),
None => Err(E::invalid_value("value overflowed")),
}
}
}
d.deserialize(V)
}