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-rw-r--r--src/encoder/serde.rs162
1 files changed, 136 insertions, 26 deletions
diff --git a/src/encoder/serde.rs b/src/encoder/serde.rs
index fcccc3d..997bc37 100644
--- a/src/encoder/serde.rs
+++ b/src/encoder/serde.rs
@@ -1,76 +1,125 @@
+use std::mem;
+
use serde::ser;
use Value;
-use super::{Encoder, Error, State};
+use super::{Encoder, Error, EncoderState, State};
+
+impl Encoder {
+ fn table_begin(&mut self) -> Result<Self, Error> {
+ match self.state {
+ State::NextMapKey => Err(Error::InvalidMapKeyLocation),
+ _ => Ok(mem::replace(self, Encoder::new()))
+ }
+ }
+
+ fn table_end(&mut self, mut state: Self) -> Result<(), Error> {
+ match state.state {
+ State::NextKey(key) => {
+ mem::swap(&mut self.toml, &mut state.toml);
+ self.toml.insert(key, Value::Table(state.toml));
+ },
+ State::NextArray(mut arr) => {
+ mem::swap(&mut self.toml, &mut state.toml);
+ arr.push(Value::Table(state.toml));
+ self.state = State::NextArray(arr);
+ },
+ State::Start => {},
+ State::NextMapKey => unreachable!(),
+ }
+ Ok(())
+ }
+}
impl ser::Serializer for Encoder {
type Error = Error;
type MapState = Self;
type StructState = Self;
type StructVariantState = Self;
- type SeqState = State;
- type TupleState = State;
- type TupleStructState = State;
- type TupleVariantState = State;
+ type SeqState = EncoderState;
+ type TupleState = EncoderState;
+ type TupleStructState = EncoderState;
+ type TupleVariantState = EncoderState;
fn serialize_bool(&mut self, v: bool) -> Result<(), Error> {
self.emit_value(Value::Boolean(v))
}
+
fn serialize_i64(&mut self, v: i64) -> Result<(), Error> {
self.emit_value(Value::Integer(v))
}
+
+ // TODO: checked casts
+
fn serialize_u64(&mut self, v: u64) -> Result<(), Error> {
self.serialize_i64(v as i64)
}
+
fn serialize_isize(&mut self, v: isize) -> Result<(), Error> {
self.serialize_i64(v as i64)
}
+
fn serialize_usize(&mut self, v: usize) -> Result<(), Error> {
self.serialize_i64(v as i64)
}
+
fn serialize_i8(&mut self, v: i8) -> Result<(), Error> {
self.serialize_i64(v as i64)
}
+
fn serialize_u8(&mut self, v: u8) -> Result<(), Error> {
self.serialize_i64(v as i64)
}
+
fn serialize_i16(&mut self, v: i16) -> Result<(), Error> {
self.serialize_i64(v as i64)
}
+
fn serialize_u16(&mut self, v: u16) -> Result<(), Error> {
self.serialize_i64(v as i64)
}
+
fn serialize_i32(&mut self, v: i32) -> Result<(), Error> {
self.serialize_i64(v as i64)
}
+
fn serialize_u32(&mut self, v: u32) -> Result<(), Error> {
self.serialize_i64(v as i64)
}
+
fn serialize_f32(&mut self, v: f32) -> Result<(), Error> {
self.serialize_f64(v as f64)
}
+
fn serialize_f64(&mut self, v: f64) -> Result<(), Error> {
self.emit_value(Value::Float(v))
}
+
fn serialize_str(&mut self, value: &str) -> Result<(), Error> {
self.emit_value(Value::String(value.to_string()))
}
+
fn serialize_unit_struct(&mut self, _name: &'static str) -> Result<(), Error> {
Ok(())
}
+
fn serialize_unit(&mut self) -> Result<(), Error> {
Ok(())
}
+
fn serialize_none(&mut self) -> Result<(), Error> {
self.emit_none()
}
+
fn serialize_char(&mut self, c: char) -> Result<(), Error> {
self.serialize_str(&c.to_string())
}
+
fn serialize_some<V>(&mut self, value: V) -> Result<(), Error>
where V: ser::Serialize
{
value.serialize(self)
}
+
fn serialize_bytes(&mut self, v: &[u8]) -> Result<(), Error> {
let mut state = try!(self.serialize_seq(Some(v.len())));
for c in v {
@@ -78,93 +127,152 @@ impl ser::Serializer for Encoder {
}
self.serialize_seq_end(state)
}
- fn serialize_seq_fixed_size(&mut self, len: usize) -> Result<State, Error> {
+
+ fn serialize_seq_fixed_size(&mut self, len: usize)
+ -> Result<EncoderState, Error> {
self.serialize_seq(Some(len))
}
- fn serialize_seq(&mut self, _len: Option<usize>) -> Result<State, Error> {
- self.seq_begin()
+
+ fn serialize_seq(&mut self, _len: Option<usize>)
+ -> Result<EncoderState, Error> {
+ self.seq_begin().map(|s| EncoderState { inner: s })
}
- fn serialize_seq_elt<T>(&mut self, _state: &mut State, value: T) -> Result<(), Error>
+
+ fn serialize_seq_elt<T>(&mut self,
+ _state: &mut EncoderState,
+ value: T) -> Result<(), Error>
where T: ser::Serialize
{
value.serialize(self)
}
- fn serialize_seq_end(&mut self, state: State) -> Result<(), Error> {
- self.seq_end(state)
+
+ fn serialize_seq_end(&mut self, state: EncoderState) -> Result<(), Error> {
+ self.seq_end(state.inner)
}
- fn serialize_tuple(&mut self, len: usize) -> Result<State, Error> {
+
+ fn serialize_tuple(&mut self, len: usize)
+ -> Result<EncoderState, Error> {
self.serialize_seq(Some(len))
}
- fn serialize_tuple_elt<T>(&mut self, state: &mut State, value: T) -> Result<(), Error>
+
+ fn serialize_tuple_elt<T>(&mut self,
+ state: &mut EncoderState,
+ value: T) -> Result<(), Error>
where T: ser::Serialize
{
self.serialize_seq_elt(state, value)
}
- fn serialize_tuple_end(&mut self, state: State) -> Result<(), Error> {
+
+ fn serialize_tuple_end(&mut self, state: EncoderState) -> Result<(), Error> {
self.serialize_seq_end(state)
}
- fn serialize_tuple_struct(&mut self, _name: &'static str, len: usize) -> Result<State, Error> {
+
+ fn serialize_tuple_struct(&mut self,
+ _name: &'static str,
+ len: usize) -> Result<EncoderState, Error> {
self.serialize_seq(Some(len))
}
- fn serialize_tuple_struct_elt<T>(&mut self, state: &mut State, value: T) -> Result<(), Error>
+
+ fn serialize_tuple_struct_elt<T>(&mut self,
+ state: &mut EncoderState,
+ value: T) -> Result<(), Error>
where T: ser::Serialize
{
self.serialize_seq_elt(state, value)
}
- fn serialize_tuple_struct_end(&mut self, state: State) -> Result<(), Error> {
+
+ fn serialize_tuple_struct_end(&mut self, state: EncoderState)
+ -> Result<(), Error> {
self.serialize_seq_end(state)
}
- fn serialize_tuple_variant(&mut self, _name: &'static str, _id: usize, _variant: &'static str, len: usize) -> Result<State, Error> {
+
+ fn serialize_tuple_variant(&mut self,
+ _name: &'static str,
+ _id: usize,
+ _variant: &'static str,
+ len: usize) -> Result<EncoderState, Error> {
self.serialize_seq(Some(len))
}
- fn serialize_tuple_variant_elt<T>(&mut self, state: &mut State, value: T) -> Result<(), Error>
+
+ fn serialize_tuple_variant_elt<T>(&mut self,
+ state: &mut EncoderState,
+ value: T) -> Result<(), Error>
where T: ser::Serialize
{
self.serialize_seq_elt(state, value)
}
- fn serialize_tuple_variant_end(&mut self, state: State) -> Result<(), Error> {
+
+ fn serialize_tuple_variant_end(&mut self, state: EncoderState)
+ -> Result<(), Error> {
self.serialize_seq_end(state)
}
+
fn serialize_map(&mut self, _len: Option<usize>) -> Result<Self, Error> {
self.table_begin()
}
- fn serialize_map_key<K>(&mut self, _state: &mut Encoder, key: K) -> Result<(), Error>
+
+ fn serialize_map_key<K>(&mut self,
+ _state: &mut Encoder,
+ key: K) -> Result<(), Error>
where K: ser::Serialize
{
self.table_key(|me| key.serialize(me))
}
- fn serialize_map_value<V>(&mut self, _state: &mut Encoder, value: V) -> Result<(), Error>
+
+ fn serialize_map_value<V>(&mut self,
+ _state: &mut Encoder,
+ value: V) -> Result<(), Error>
where V: ser::Serialize
{
value.serialize(self)
}
+
fn serialize_map_end(&mut self, state: Self) -> Result<(), Error> {
self.table_end(state)
}
- fn serialize_struct(&mut self, _name: &'static str, len: usize) -> Result<Self, Error> {
+
+ fn serialize_struct(&mut self,
+ _name: &'static str,
+ len: usize) -> Result<Self, Error> {
self.serialize_map(Some(len))
}
- fn serialize_struct_elt<V>(&mut self, state: &mut Encoder, key: &'static str, value: V) -> Result<(), Error>
+
+ fn serialize_struct_elt<V>(&mut self,
+ state: &mut Encoder,
+ key: &'static str,
+ value: V) -> Result<(), Error>
where V: ser::Serialize
{
try!(self.serialize_map_key(state, key));
self.serialize_map_value(state, value)
}
+
fn serialize_struct_end(&mut self, state: Self) -> Result<(), Error> {
self.serialize_map_end(state)
}
- fn serialize_struct_variant(&mut self, _name: &'static str, _id: usize, _variant: &'static str, len: usize) -> Result<Self, Error> {
+
+ fn serialize_struct_variant(&mut self,
+ _name: &'static str,
+ _id: usize,
+ _variant: &'static str,
+ len: usize) -> Result<Self, Error> {
self.serialize_map(Some(len))
}
- fn serialize_struct_variant_elt<V>(&mut self, state: &mut Encoder, key: &'static str, value: V) -> Result<(), Error>
+
+ fn serialize_struct_variant_elt<V>(&mut self,
+ state: &mut Encoder,
+ key: &'static str,
+ value: V) -> Result<(), Error>
where V: ser::Serialize
{
try!(self.serialize_map_key(state, key));
self.serialize_map_value(state, value)
}
+
fn serialize_struct_variant_end(&mut self, state: Self) -> Result<(), Error> {
self.serialize_map_end(state)
}
+
fn serialize_newtype_struct<T>(&mut self,
_name: &'static str,
value: T) -> Result<(), Self::Error>
@@ -173,6 +281,7 @@ impl ser::Serializer for Encoder {
// Don't serialize the newtype struct in a tuple.
value.serialize(self)
}
+
fn serialize_newtype_variant<T>(&mut self,
_name: &'static str,
_variant_index: usize,
@@ -183,6 +292,7 @@ impl ser::Serializer for Encoder {
// Don't serialize the newtype struct variant in a tuple.
value.serialize(self)
}
+
fn serialize_unit_variant(&mut self,
_name: &'static str,
_variant_index: usize,
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 20:48:19 +0000