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Update serde to 0.9.3 and use serde::ser::Impossible

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This commit is contained in:
Anthony Ramine 2017-01-31 10:42:51 +01:00
parent 2cc32847ac
commit bc8197c884
6 changed files with 41 additions and 164 deletions
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3
Cargo.toml
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@ -14,6 +14,5 @@ test = false
[dependencies]
dtoa = "0.4.0"
itoa = "0.3.0"
serde = "0.9.2"
serde = "0.9.3"
url = "1.0.0"
void = "1.0.2"

3
src/lib.rs
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@ -1,11 +1,12 @@
//! `x-www-form-urlencoded` meets Serde
#![warn(unused_extern_crates)]
extern crate itoa;
extern crate dtoa;
#[macro_use]
extern crate serde;
extern crate url;
extern crate void;
pub mod de;
pub mod ser;

9
src/ser/mod.rs
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@ -4,7 +4,6 @@ mod key;
mod pair;
mod part;
mod value;
mod void;
use serde::ser;
use std::borrow::Cow;
@ -102,21 +101,21 @@ pub struct SeqSerializer<'output, Target: 'output + UrlEncodedTarget> {
///
/// Never instantiated, tuples are not supported at top-level.
pub struct TupleSerializer<'output, T: 'output + UrlEncodedTarget> {
inner: void::VoidSerializer<&'output mut UrlEncodedSerializer<T>>,
inner: ser::Impossible<&'output mut UrlEncodedSerializer<T>, Error>,
}
/// Tuple struct serializer.
///
/// Never instantiated, tuple structs are not supported.
pub struct TupleStructSerializer<'output, T: 'output + UrlEncodedTarget> {
inner: void::VoidSerializer<&'output mut UrlEncodedSerializer<T>>,
inner: ser::Impossible<&'output mut UrlEncodedSerializer<T>, Error>,
}
/// Tuple variant serializer.
///
/// Never instantiated, tuple variants are not supported.
pub struct TupleVariantSerializer<'output, T: 'output + UrlEncodedTarget> {
inner: void::VoidSerializer<&'output mut UrlEncodedSerializer<T>>,
inner: ser::Impossible<&'output mut UrlEncodedSerializer<T>, Error>,
}
/// Map serializer.
@ -134,7 +133,7 @@ pub struct StructSerializer<'output, Target: 'output + UrlEncodedTarget> {
///
/// Never instantiated, struct variants are not supported.
pub struct StructVariantSerializer<'output, T: 'output + UrlEncodedTarget> {
inner: void::VoidSerializer<&'output mut UrlEncodedSerializer<T>>,
inner: ser::Impossible<&'output mut UrlEncodedSerializer<T>, Error>,
}
impl<'output, Target> ser::Serializer for Serializer<'output, Target>

33
src/ser/pair.rs
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@ -2,7 +2,6 @@ use ser::Error;
use ser::key::KeySink;
use ser::part::PartSerializer;
use ser::value::ValueSink;
use ser::void::VoidSerializer;
use serde::ser;
use std::borrow::Cow;
use std::mem;
@ -30,13 +29,13 @@ impl<'target, Target> ser::Serializer for PairSerializer<'target, Target>
{
type Ok = ();
type Error = Error;
type SerializeSeq = VoidSerializer<()>;
type SerializeSeq = ser::Impossible<(), Error>;
type SerializeTuple = Self;
type SerializeTupleStruct = VoidSerializer<()>;
type SerializeTupleVariant = VoidSerializer<()>;
type SerializeMap = VoidSerializer<()>;
type SerializeStruct = VoidSerializer<()>;
type SerializeStructVariant = VoidSerializer<()>;
type SerializeTupleStruct = ser::Impossible<(), Error>;
type SerializeTupleVariant = ser::Impossible<(), Error>;
type SerializeMap = ser::Impossible<(), Error>;
type SerializeStruct = ser::Impossible<(), Error>;
type SerializeStructVariant = ser::Impossible<(), Error>;
fn serialize_bool(self, _v: bool) -> Result<(), Error> {
Err(Error::unsupported_pair())
@ -140,13 +139,13 @@ impl<'target, Target> ser::Serializer for PairSerializer<'target, Target>
fn serialize_seq(self,
_len: Option<usize>)
-> Result<VoidSerializer<()>, Error> {
-> Result<Self::SerializeSeq, Error> {
Err(Error::unsupported_pair())
}
fn serialize_seq_fixed_size(self,
_len: usize)
-> Result<VoidSerializer<()>, Error> {
-> Result<Self::SerializeSeq, Error> {
Err(Error::unsupported_pair())
}
@ -161,38 +160,40 @@ impl<'target, Target> ser::Serializer for PairSerializer<'target, Target>
fn serialize_tuple_struct(self,
_name: &'static str,
_len: usize)
-> Result<VoidSerializer<()>, Error> {
-> Result<Self::SerializeTupleStruct, Error> {
Err(Error::unsupported_pair())
}
fn serialize_tuple_variant(self,
fn serialize_tuple_variant
(self,
_name: &'static str,
_variant_index: usize,
_variant: &'static str,
_len: usize)
-> Result<VoidSerializer<()>, Error> {
-> Result<Self::SerializeTupleVariant, Error> {
Err(Error::unsupported_pair())
}
fn serialize_map(self,
_len: Option<usize>)
-> Result<VoidSerializer<()>, Error> {
-> Result<Self::SerializeMap, Error> {
Err(Error::unsupported_pair())
}
fn serialize_struct(self,
_name: &'static str,
_len: usize)
-> Result<VoidSerializer<()>, Error> {
-> Result<Self::SerializeStruct, Error> {
Err(Error::unsupported_pair())
}
fn serialize_struct_variant(self,
fn serialize_struct_variant
(self,
_name: &'static str,
_variant_index: usize,
_variant: &'static str,
_len: usize)
-> Result<VoidSerializer<()>, Error> {
-> Result<Self::SerializeStructVariant, Error> {
Err(Error::unsupported_pair())
}
}

19
src/ser/part.rs
View File

@ -1,7 +1,6 @@
use dtoa;
use itoa;
use ser::Error;
use ser::void::VoidSerializer;
use serde::ser;
use std::str;
@ -37,13 +36,13 @@ pub trait Sink: Sized {
impl<S: Sink> ser::Serializer for PartSerializer<S> {
type Ok = S::Ok;
type Error = Error;
type SerializeSeq = VoidSerializer<S::Ok>;
type SerializeTuple = VoidSerializer<S::Ok>;
type SerializeTupleStruct = VoidSerializer<S::Ok>;
type SerializeTupleVariant = VoidSerializer<S::Ok>;
type SerializeMap = VoidSerializer<S::Ok>;
type SerializeStruct = VoidSerializer<S::Ok>;
type SerializeStructVariant = VoidSerializer<S::Ok>;
type SerializeSeq = ser::Impossible<S::Ok, Error>;
type SerializeTuple = ser::Impossible<S::Ok, Error>;
type SerializeTupleStruct = ser::Impossible<S::Ok, Error>;
type SerializeTupleVariant = ser::Impossible<S::Ok, Error>;
type SerializeMap = ser::Impossible<S::Ok, Error>;
type SerializeStruct = ser::Impossible<S::Ok, Error>;
type SerializeStructVariant = ser::Impossible<S::Ok, Error>;
fn serialize_bool(self, v: bool) -> Result<S::Ok, Error> {
self.sink.serialize_static_str(if v { "true" } else { "false" })
@ -210,7 +209,7 @@ impl<S: Sink> ser::Serializer for PartSerializer<S> {
impl<S: Sink> PartSerializer<S> {
fn serialize_integer<I>(self, value: I) -> Result<S::Ok, Error>
where I: itoa::Integer
where I: itoa::Integer,
{
let mut buf = [b'\0'; 20];
let len = itoa::write(&mut buf[..], value).unwrap();
@ -219,7 +218,7 @@ impl<S: Sink> PartSerializer<S> {
}
fn serialize_floating<F>(self, value: F) -> Result<S::Ok, Error>
where F: dtoa::Floating
where F: dtoa::Floating,
{
let mut buf = [b'\0'; 24];
let len = dtoa::write(&mut buf[..], value).unwrap();

122
src/ser/void.rs
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@ -1,122 +0,0 @@
use ser::Error;
use serde::ser;
use std::marker::PhantomData;
use void;
pub struct VoidSerializer<Ok> {
void: void::Void,
_marker: PhantomData<Ok>,
}
impl<Ok> ser::SerializeSeq for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_element<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeTuple for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_element<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeTupleStruct for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeTupleVariant for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeMap for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_key<T: ?Sized + ser::Serialize>(&mut self,
_key: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn serialize_value<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeStruct for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
_key: &'static str,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeStructVariant for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
_key: &'static str,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}