Merge #10

10: Update to serde 0.9.0 and various improvements

1 files changed, 229 insertions, 0 deletions

diff --git a/src/ser/part.rs b/src/ser/part.rs
new file mode 100644
index 0000000..e720314
--- /dev/null
+++ b/src/ser/part.rs
@@ -0,0 +1,229 @@
+use dtoa;
+use itoa;
+use ser::Error;
+use ser::void::VoidSerializer;
+use serde::ser;
+use std::str;
+
+pub struct PartSerializer<S> {
+    sink: S,
+}
+
+impl<S: Sink> PartSerializer<S> {
+    pub fn new(sink: S) -> Self {
+        PartSerializer { sink: sink }
+    }
+}
+
+pub trait Sink: Sized {
+    type Ok;
+
+    fn serialize_static_str(self,
+                            value: &'static str)
+                            -> Result<Self::Ok, Error>;
+
+    fn serialize_str(self, value: &str) -> Result<Self::Ok, Error>;
+    fn serialize_string(self, value: String) -> Result<Self::Ok, Error>;
+    fn serialize_none(self) -> Result<Self::Ok, Error>;
+
+    fn serialize_some<T: ?Sized + ser::Serialize>
+        (self,
+         value: &T)
+         -> Result<Self::Ok, Error>;
+
+    fn unsupported(self) -> Error;
+}
+
+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>;
+
+    fn serialize_bool(self, v: bool) -> Result<S::Ok, Error> {
+        self.sink.serialize_static_str(if v { "true" } else { "false" })
+    }
+
+    fn serialize_i8(self, v: i8) -> Result<S::Ok, Error> {
+        self.serialize_integer(v)
+    }
+
+    fn serialize_i16(self, v: i16) -> Result<S::Ok, Error> {
+        self.serialize_integer(v)
+    }
+
+    fn serialize_i32(self, v: i32) -> Result<S::Ok, Error> {
+        self.serialize_integer(v)
+    }
+
+    fn serialize_i64(self, v: i64) -> Result<S::Ok, Error> {
+        self.serialize_integer(v)
+    }
+
+    fn serialize_u8(self, v: u8) -> Result<S::Ok, Error> {
+        self.serialize_integer(v)
+    }
+
+    fn serialize_u16(self, v: u16) -> Result<S::Ok, Error> {
+        self.serialize_integer(v)
+    }
+
+    fn serialize_u32(self, v: u32) -> Result<S::Ok, Error> {
+        self.serialize_integer(v)
+    }
+
+    fn serialize_u64(self, v: u64) -> Result<S::Ok, Error> {
+        self.serialize_integer(v)
+    }
+
+    fn serialize_f32(self, v: f32) -> Result<S::Ok, Error> {
+        self.serialize_floating(v)
+    }
+
+    fn serialize_f64(self, v: f64) -> Result<S::Ok, Error> {
+        self.serialize_floating(v)
+    }
+
+    fn serialize_char(self, v: char) -> Result<S::Ok, Error> {
+        self.sink.serialize_string(v.to_string())
+    }
+
+    fn serialize_str(self, value: &str) -> Result<S::Ok, Error> {
+        self.sink.serialize_str(value)
+    }
+
+    fn serialize_bytes(self, value: &[u8]) -> Result<S::Ok, Error> {
+        match str::from_utf8(value) {
+            Ok(value) => self.sink.serialize_str(value),
+            Err(err) => Err(Error::Utf8(err)),
+        }
+    }
+
+    fn serialize_unit(self) -> Result<S::Ok, Error> {
+        Err(self.sink.unsupported())
+    }
+
+    fn serialize_unit_struct(self, name: &'static str) -> Result<S::Ok, Error> {
+        self.sink.serialize_static_str(name.into())
+    }
+
+    fn serialize_unit_variant(self,
+                              _name: &'static str,
+                              _variant_index: usize,
+                              variant: &'static str)
+                              -> Result<S::Ok, Error> {
+        self.sink.serialize_static_str(variant.into())
+    }
+
+    fn serialize_newtype_struct<T: ?Sized + ser::Serialize>
+        (self,
+         _name: &'static str,
+         value: &T)
+         -> Result<S::Ok, 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<S::Ok, Error> {
+        Err(self.sink.unsupported())
+    }
+
+    fn serialize_none(self) -> Result<S::Ok, Error> {
+        self.sink.serialize_none()
+    }
+
+    fn serialize_some<T: ?Sized + ser::Serialize>(self,
+                                                  value: &T)
+                                                  -> Result<S::Ok, Error> {
+        self.sink.serialize_some(value)
+    }
+
+    fn serialize_seq(self,
+                     _len: Option<usize>)
+                     -> Result<Self::SerializeSeq, Error> {
+        Err(self.sink.unsupported())
+    }
+
+
+    fn serialize_seq_fixed_size(self,
+                                _len: usize)
+                                -> Result<Self::SerializeSeq, Error> {
+        Err(self.sink.unsupported())
+    }
+
+    fn serialize_tuple(self,
+                       _len: usize)
+                       -> Result<Self::SerializeTuple, Error> {
+        Err(self.sink.unsupported())
+    }
+
+    fn serialize_tuple_struct(self,
+                              _name: &'static str,
+                              _len: usize)
+                              -> Result<Self::SerializeTuple, Error> {
+        Err(self.sink.unsupported())
+    }
+
+    fn serialize_tuple_variant
+        (self,
+         _name: &'static str,
+         _variant_index: usize,
+         _variant: &'static str,
+         _len: usize)
+         -> Result<Self::SerializeTupleVariant, Error> {
+        Err(self.sink.unsupported())
+    }
+
+    fn serialize_map(self,
+                     _len: Option<usize>)
+                     -> Result<Self::SerializeMap, Error> {
+        Err(self.sink.unsupported())
+    }
+
+    fn serialize_struct(self,
+                        _name: &'static str,
+                        _len: usize)
+                        -> Result<Self::SerializeStruct, Error> {
+        Err(self.sink.unsupported())
+    }
+
+    fn serialize_struct_variant
+        (self,
+         _name: &'static str,
+         _variant_index: usize,
+         _variant: &'static str,
+         _len: usize)
+         -> Result<Self::SerializeStructVariant, Error> {
+        Err(self.sink.unsupported())
+    }
+}
+
+impl<S: Sink> PartSerializer<S> {
+    fn serialize_integer<I>(self, value: I) -> Result<S::Ok, Error>
+        where I: itoa::Integer
+    {
+        let mut buf = [b'\0'; 20];
+        let len = itoa::write(&mut buf[..], value).unwrap();
+        let part = unsafe { str::from_utf8_unchecked(&buf[0..len]) };
+        ser::Serializer::serialize_str(self, part)
+    }
+
+    fn serialize_floating<F>(self, value: F) -> Result<S::Ok, Error>
+        where F: dtoa::Floating
+    {
+        let mut buf = [b'\0'; 24];
+        let len = dtoa::write(&mut buf[..], value).unwrap();
+        let part = unsafe { str::from_utf8_unchecked(&buf[0..len]) };
+        ser::Serializer::serialize_str(self, part)
+    }
+}