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-rw-r--r--src/ser/pair.rs263
1 files changed, 0 insertions, 263 deletions
diff --git a/src/ser/pair.rs b/src/ser/pair.rs
deleted file mode 100644
index 6815647..0000000
--- a/src/ser/pair.rs
+++ /dev/null
@@ -1,263 +0,0 @@
-use ser::Error;
-use ser::key::KeySink;
-use ser::part::PartSerializer;
-use ser::value::ValueSink;
-use serde::ser;
-use std::borrow::Cow;
-use std::mem;
-use url::form_urlencoded::Serializer as UrlEncodedSerializer;
-use url::form_urlencoded::Target as UrlEncodedTarget;
-
-pub struct PairSerializer<'target, Target: 'target + UrlEncodedTarget> {
- urlencoder: &'target mut UrlEncodedSerializer<Target>,
- state: PairState,
-}
-
-impl<'target, Target> PairSerializer<'target, Target>
- where Target: 'target + UrlEncodedTarget,
-{
- pub fn new(urlencoder: &'target mut UrlEncodedSerializer<Target>) -> Self {
- PairSerializer {
- urlencoder: urlencoder,
- state: PairState::WaitingForKey,
- }
- }
-}
-
-impl<'target, Target> ser::Serializer for PairSerializer<'target, Target>
- where Target: 'target + UrlEncodedTarget,
-{
- type Ok = ();
- type Error = Error;
- type SerializeSeq = ser::Impossible<(), Error>;
- type SerializeTuple = Self;
- 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())
- }
-
- fn serialize_i8(self, _v: i8) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_i16(self, _v: i16) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_i32(self, _v: i32) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_i64(self, _v: i64) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_u8(self, _v: u8) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_u16(self, _v: u16) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_u32(self, _v: u32) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_u64(self, _v: u64) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_f32(self, _v: f32) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_f64(self, _v: f64) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_char(self, _v: char) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_str(self, _value: &str) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_bytes(self, _value: &[u8]) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_unit(self) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_unit_struct(self, _name: &'static str) -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_unit_variant(self,
- _name: &'static str,
- _variant_index: usize,
- _variant: &'static str)
- -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_newtype_struct<T: ?Sized + ser::Serialize>
- (self,
- _name: &'static str,
- value: &T)
- -> Result<(), Error> {
- value.serialize(self)
- }
-
- fn serialize_newtype_variant<T: ?Sized + ser::Serialize>
- (self,
- _name: &'static str,
- _variant_index: usize,
- _variant: &'static str,
- _value: &T)
- -> Result<(), Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_none(self) -> Result<(), Error> {
- Ok(())
- }
-
- fn serialize_some<T: ?Sized + ser::Serialize>(self,
- value: &T)
- -> Result<(), Error> {
- value.serialize(self)
- }
-
- fn serialize_seq(self,
- _len: Option<usize>)
- -> Result<Self::SerializeSeq, Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_seq_fixed_size(self,
- _len: usize)
- -> Result<Self::SerializeSeq, Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_tuple(self, len: usize) -> Result<Self, Error> {
- if len == 2 {
- Ok(self)
- } else {
- Err(Error::unsupported_pair())
- }
- }
-
- fn serialize_tuple_struct(self,
- _name: &'static str,
- _len: usize)
- -> Result<Self::SerializeTupleStruct, Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_tuple_variant
- (self,
- _name: &'static str,
- _variant_index: usize,
- _variant: &'static str,
- _len: usize)
- -> Result<Self::SerializeTupleVariant, Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_map(self,
- _len: Option<usize>)
- -> Result<Self::SerializeMap, Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_struct(self,
- _name: &'static str,
- _len: usize)
- -> Result<Self::SerializeStruct, Error> {
- Err(Error::unsupported_pair())
- }
-
- fn serialize_struct_variant
- (self,
- _name: &'static str,
- _variant_index: usize,
- _variant: &'static str,
- _len: usize)
- -> Result<Self::SerializeStructVariant, Error> {
- Err(Error::unsupported_pair())
- }
-}
-
-impl<'target, Target> ser::SerializeTuple for PairSerializer<'target, Target>
- where Target: 'target + UrlEncodedTarget,
-{
- type Ok = ();
- type Error = Error;
-
- fn serialize_element<T: ?Sized + ser::Serialize>(&mut self,
- value: &T)
- -> Result<(), Error> {
- match mem::replace(&mut self.state, PairState::Done) {
- PairState::WaitingForKey => {
- let key_sink = KeySink::new(|key| Ok(key.into()));
- let key_serializer = PartSerializer::new(key_sink);
- self.state = PairState::WaitingForValue {
- key: value.serialize(key_serializer)?,
- };
- Ok(())
- },
- PairState::WaitingForValue { key } => {
- let result = {
- let value_sink = ValueSink::new(self.urlencoder, &key);
- let value_serializer = PartSerializer::new(value_sink);
- value.serialize(value_serializer)
- };
- if result.is_ok() {
- self.state = PairState::Done;
- } else {
- self.state = PairState::WaitingForValue { key: key };
- }
- result
- },
- PairState::Done => Err(Error::done()),
- }
- }
-
- fn end(self) -> Result<(), Error> {
- if let PairState::Done = self.state {
- Ok(())
- } else {
- Err(Error::not_done())
- }
- }
-}
-
-enum PairState {
- WaitingForKey,
- WaitingForValue { key: Cow<'static, str> },
- Done,
-}
-
-impl Error {
- fn done() -> Self {
- Error::Custom("this pair has already been serialized".into())
- }
-
- fn not_done() -> Self {
- Error::Custom("this pair has not yet been serialized".into())
- }
-
- fn unsupported_pair() -> Self {
- Error::Custom("unsupported pair".into())
- }
-}
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