1 files changed, 438 insertions, 0 deletions
diff --git a/vendor/serde-value/src/ser.rs b/vendor/serde-value/src/ser.rs
new file mode 100644
index 0000000..654fa5d
--- /dev/null
+++ b/vendor/serde-value/src/ser.rs
@@ -0,0 +1,438 @@
+use serde::ser;
+use std::collections::BTreeMap;
+use std::error::Error;
+use std::fmt;
+
+use crate::Value;
+
+#[derive(Debug)]
+pub enum SerializerError {
+    Custom(String),
+}
+
+impl fmt::Display for SerializerError {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        match *self {
+            SerializerError::Custom(ref s) => fmt.write_str(s),
+        }
+    }
+}
+
+impl Error for SerializerError {
+    fn description(&self) -> &str {
+        "Value serializer error"
+    }
+}
+
+impl ser::Error for SerializerError {
+    fn custom<T: fmt::Display>(msg: T) -> SerializerError {
+        SerializerError::Custom(msg.to_string())
+    }
+}
+
+impl ser::Serialize for Value {
+    fn serialize<S: ser::Serializer>(&self, s: S) -> Result<S::Ok, S::Error> {
+        match *self {
+            Value::Bool(v) => s.serialize_bool(v),
+            Value::U8(v) => s.serialize_u8(v),
+            Value::U16(v) => s.serialize_u16(v),
+            Value::U32(v) => s.serialize_u32(v),
+            Value::U64(v) => s.serialize_u64(v),
+            Value::I8(v) => s.serialize_i8(v),
+            Value::I16(v) => s.serialize_i16(v),
+            Value::I32(v) => s.serialize_i32(v),
+            Value::I64(v) => s.serialize_i64(v),
+            Value::F32(v) => s.serialize_f32(v),
+            Value::F64(v) => s.serialize_f64(v),
+            Value::Char(v) => s.serialize_char(v),
+            Value::String(ref v) => s.serialize_str(v),
+            Value::Unit => s.serialize_unit(),
+            Value::Option(None) => s.serialize_none(),
+            Value::Option(Some(ref v)) => s.serialize_some(v),
+            Value::Newtype(ref v) => s.serialize_newtype_struct("", v),
+            Value::Seq(ref v) => v.serialize(s),
+            Value::Map(ref v) => v.serialize(s),
+            Value::Bytes(ref v) => s.serialize_bytes(v),
+        }
+    }
+}
+
+pub fn to_value<T: ser::Serialize>(value: T) -> Result<Value, SerializerError> {
+    value.serialize(Serializer)
+}
+
+struct Serializer;
+
+impl ser::Serializer for Serializer {
+    type Ok = Value;
+    type Error = SerializerError;
+    type SerializeSeq = SerializeSeq;
+    type SerializeTuple = SerializeTuple;
+    type SerializeTupleStruct = SerializeTupleStruct;
+    type SerializeTupleVariant = SerializeTupleVariant;
+    type SerializeMap = SerializeMap;
+    type SerializeStruct = SerializeStruct;
+    type SerializeStructVariant = SerializeStructVariant;
+
+    fn serialize_bool(self, v: bool) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Bool(v))
+    }
+
+    fn serialize_i8(self, v: i8) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::I8(v))
+    }
+
+    fn serialize_i16(self, v: i16) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::I16(v))
+    }
+
+    fn serialize_i32(self, v: i32) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::I32(v))
+    }
+
+    fn serialize_i64(self, v: i64) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::I64(v))
+    }
+
+    fn serialize_u8(self, v: u8) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::U8(v))
+    }
+
+    fn serialize_u16(self, v: u16) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::U16(v))
+    }
+
+    fn serialize_u32(self, v: u32) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::U32(v))
+    }
+
+    fn serialize_u64(self, v: u64) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::U64(v))
+    }
+
+    fn serialize_f32(self, v: f32) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::F32(v))
+    }
+
+    fn serialize_f64(self, v: f64) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::F64(v))
+    }
+
+    fn serialize_char(self, v: char) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Char(v))
+    }
+
+    fn serialize_str(self, v: &str) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::String(v.to_string()))
+    }
+
+    fn serialize_bytes(self, v: &[u8]) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Bytes(v.to_vec()))
+    }
+
+    fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Option(None))
+    }
+
+    fn serialize_some<T: ?Sized>(
+        self,
+        value: &T
+    ) -> Result<Self::Ok, Self::Error>
+    where
+        T: ser::Serialize
+    {
+        value.serialize(Serializer).map(|v| Value::Option(Some(Box::new(v))))
+    }
+
+    fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Unit)
+    }
+
+    fn serialize_unit_struct(
+        self,
+        _name: &'static str
+    ) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Unit)
+    }
+
+    fn serialize_unit_variant(
+        self,
+        _name: &'static str,
+        _variant_index: u32,
+        variant: &'static str,
+    ) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::String(variant.to_string()))
+    }
+
+    fn serialize_newtype_struct<T: ?Sized>(
+        self,
+        _name: &'static str,
+        value: &T
+    ) -> Result<Self::Ok, Self::Error>
+    where
+        T: ser::Serialize
+    {
+        value.serialize(Serializer).map(|v| Value::Newtype(Box::new(v)))
+    }
+
+    fn serialize_newtype_variant<T: ?Sized>(
+        self,
+        _name: &'static str,
+        _variant_index: u32,
+        variant: &'static str,
+        value: &T
+    ) -> Result<Self::Ok, Self::Error>
+    where
+        T: ser::Serialize
+    {
+        value.serialize(Serializer).map(|v| {
+            let mut map = BTreeMap::new();
+            map.insert(Value::String(variant.to_string()), v);
+            Value::Map(map)
+        })
+    }
+
+    fn serialize_seq(
+        self,
+        _len: Option<usize>
+    ) -> Result<Self::SerializeSeq, Self::Error> {
+        Ok(SerializeSeq(vec![]))
+    }
+
+    fn serialize_tuple(
+        self,
+        _len: usize
+    ) -> Result<Self::SerializeTuple, Self::Error> {
+        Ok(SerializeTuple(vec![]))
+    }
+
+    fn serialize_tuple_struct(
+        self,
+        _name: &'static str,
+        _len: usize
+    ) -> Result<Self::SerializeTupleStruct, Self::Error> {
+        Ok(SerializeTupleStruct(vec![]))
+    }
+
+    fn serialize_tuple_variant(
+        self,
+        _name: &'static str,
+        _variant_index: u32,
+        variant: &'static str,
+        len: usize
+    ) -> Result<Self::SerializeTupleVariant, Self::Error> {
+        Ok(SerializeTupleVariant(
+            Value::String(variant.to_string()),
+            Vec::with_capacity(len),
+        ))
+    }
+
+    fn serialize_map(
+        self,
+        _len: Option<usize>
+    ) -> Result<Self::SerializeMap, Self::Error> {
+        Ok(SerializeMap { map: BTreeMap::new(), key: None })
+    }
+
+    fn serialize_struct(
+        self,
+        _name: &'static str,
+        _len: usize
+    ) -> Result<Self::SerializeStruct, Self::Error> {
+        Ok(SerializeStruct(BTreeMap::new()))
+    }
+
+    fn serialize_struct_variant(
+        self,
+        _name: &'static str,
+        _variant_index: u32,
+        variant: &'static str,
+        _len: usize
+    ) -> Result<Self::SerializeStructVariant, Self::Error> {
+        Ok(SerializeStructVariant(
+            Value::String(variant.to_string()),
+            BTreeMap::new(),
+        ))
+    }
+}
+
+struct SerializeSeq(Vec<Value>);
+
+impl ser::SerializeSeq for SerializeSeq {
+    type Ok = Value;
+    type Error = SerializerError;
+
+    fn serialize_element<T: ?Sized>(
+        &mut self,
+        value: &T
+    ) -> Result<(), Self::Error>
+    where
+        T: ser::Serialize
+    {
+        let value = value.serialize(Serializer)?;
+        self.0.push(value);
+        Ok(())
+    }
+
+    fn end(self) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Seq(self.0))
+    }
+}
+
+struct SerializeTuple(Vec<Value>);
+
+impl ser::SerializeTuple for SerializeTuple {
+    type Ok = Value;
+    type Error = SerializerError;
+
+    fn serialize_element<T: ?Sized>(
+        &mut self,
+        value: &T
+    ) -> Result<(), Self::Error>
+    where
+        T: ser::Serialize
+    {
+        let value = value.serialize(Serializer)?;
+        self.0.push(value);
+        Ok(())
+    }
+
+    fn end(self) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Seq(self.0))
+    }
+}
+
+struct SerializeTupleStruct(Vec<Value>);
+
+impl ser::SerializeTupleStruct for SerializeTupleStruct {
+    type Ok = Value;
+    type Error = SerializerError;
+
+    fn serialize_field<T: ?Sized>(
+        &mut self,
+        value: &T
+    ) -> Result<(), Self::Error>
+    where
+        T: ser::Serialize
+    {
+        let value = value.serialize(Serializer)?;
+        self.0.push(value);
+        Ok(())
+    }
+
+    fn end(self) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Seq(self.0))
+    }
+}
+
+struct SerializeTupleVariant(Value, Vec<Value>);
+
+impl ser::SerializeTupleVariant for SerializeTupleVariant {
+    type Ok = Value;
+    type Error = SerializerError;
+
+    fn serialize_field<T: ?Sized>(
+        &mut self,
+        value: &T
+    ) -> Result<(), Self::Error>
+    where
+        T: ser::Serialize
+    {
+        let value = value.serialize(Serializer)?;
+        self.1.push(value);
+        Ok(())
+    }
+
+    fn end(self) -> Result<Self::Ok, Self::Error> {
+        let mut map = BTreeMap::new();
+        map.insert(self.0, Value::Seq(self.1));
+        Ok(Value::Map(map))
+    }
+}
+
+struct SerializeMap {
+    map: BTreeMap<Value, Value>,
+    key: Option<Value>,
+}
+
+impl ser::SerializeMap for SerializeMap {
+    type Ok = Value;
+    type Error = SerializerError;
+
+    fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), Self::Error>
+    where
+        T: ser::Serialize
+    {
+        let key = key.serialize(Serializer)?;
+        self.key = Some(key);
+        Ok(())
+    }
+
+    fn serialize_value<T: ?Sized>(
+        &mut self,
+        value: &T
+    ) -> Result<(), Self::Error>
+    where
+        T: ser::Serialize
+    {
+        let value = value.serialize(Serializer)?;
+        self.map.insert(self.key.take().unwrap(), value);
+        Ok(())
+    }
+
+    fn end(self) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Map(self.map))
+    }
+}
+
+struct SerializeStruct(BTreeMap<Value, Value>);
+
+impl ser::SerializeStruct for SerializeStruct {
+    type Ok = Value;
+    type Error = SerializerError;
+
+    fn serialize_field<T: ?Sized>(
+        &mut self,
+        key: &'static str,
+        value: &T
+    ) -> Result<(), Self::Error>
+    where
+        T: ser::Serialize
+    {
+        let key = Value::String(key.to_string());
+        let value = value.serialize(Serializer)?;
+        self.0.insert(key, value);
+        Ok(())
+    }
+
+    fn end(self) -> Result<Self::Ok, Self::Error> {
+        Ok(Value::Map(self.0))
+    }
+}
+
+struct SerializeStructVariant(Value, BTreeMap<Value, Value>);
+
+impl ser::SerializeStructVariant for SerializeStructVariant {
+    type Ok = Value;
+    type Error = SerializerError;
+
+    fn serialize_field<T: ?Sized>(
+        &mut self,
+        key: &'static str,
+        value: &T
+    ) -> Result<(), Self::Error>
+    where
+        T: ser::Serialize
+    {
+        let key = Value::String(key.to_string());
+        let value = value.serialize(Serializer)?;
+        self.1.insert(key, value);
+        Ok(())
+    }
+
+    fn end(self) -> Result<Self::Ok, Self::Error> {
+        let mut map = BTreeMap::new();
+        map.insert(self.0, Value::Map(self.1));
+        Ok(Value::Map(map))
+    }
+}