diff options
Diffstat (limited to 'src/ser/map.rs')
-rw-r--r-- | src/ser/map.rs | 271 |
1 files changed, 265 insertions, 6 deletions
diff --git a/src/ser/map.rs b/src/ser/map.rs index d743e3d..47e56ba 100644 --- a/src/ser/map.rs +++ b/src/ser/map.rs @@ -1,4 +1,4 @@ -use super::{Error, KeySerializer}; +use super::{Error, KeySerializer, SerializeValueArray, ValueSerializer}; #[doc(hidden)] pub enum SerializeMap { @@ -165,7 +165,6 @@ impl serde::ser::SerializeMap for SerializeInlineTable { where T: serde::ser::Serialize, { - self.key = None; self.key = Some(input.serialize(KeySerializer)?); Ok(()) } @@ -174,7 +173,8 @@ impl serde::ser::SerializeMap for SerializeInlineTable { where T: serde::ser::Serialize, { - let res = value.serialize(super::ValueSerializer {}); + let mut value_serializer = MapValueSerializer::new(); + let res = value.serialize(&mut value_serializer); match res { Ok(item) => { let key = self.key.take().unwrap(); @@ -185,7 +185,7 @@ impl serde::ser::SerializeMap for SerializeInlineTable { self.items.insert(key, kv); } Err(e) => { - if e != Error::UnsupportedNone { + if !(e == Error::UnsupportedNone && value_serializer.is_none) { return Err(e); } } @@ -210,7 +210,8 @@ impl serde::ser::SerializeStruct for SerializeInlineTable { where T: serde::ser::Serialize, { - let res = value.serialize(super::ValueSerializer {}); + let mut value_serializer = MapValueSerializer::new(); + let res = value.serialize(&mut value_serializer); match res { Ok(item) => { let kv = crate::table::TableKeyValue::new( @@ -220,7 +221,7 @@ impl serde::ser::SerializeStruct for SerializeInlineTable { self.items.insert(crate::InternalString::from(key), kv); } Err(e) => { - if e != Error::UnsupportedNone { + if !(e == Error::UnsupportedNone && value_serializer.is_none) { return Err(e); } } @@ -403,3 +404,261 @@ impl serde::ser::Serializer for DatetimeFieldSerializer { Err(Error::DateInvalid) } } + +#[derive(Default)] +struct MapValueSerializer { + is_none: bool, +} + +impl MapValueSerializer { + fn new() -> Self { + Self { is_none: false } + } +} + +impl serde::ser::Serializer for &mut MapValueSerializer { + type Ok = crate::Value; + type Error = Error; + type SerializeSeq = super::SerializeValueArray; + type SerializeTuple = super::SerializeValueArray; + type SerializeTupleStruct = super::SerializeValueArray; + type SerializeTupleVariant = super::SerializeTupleVariant; + type SerializeMap = super::SerializeMap; + type SerializeStruct = super::SerializeMap; + type SerializeStructVariant = super::SerializeStructVariant; + + fn serialize_bool(self, v: bool) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_bool(v) + } + + fn serialize_i8(self, v: i8) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_i8(v) + } + + fn serialize_i16(self, v: i16) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_i16(v) + } + + fn serialize_i32(self, v: i32) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_i32(v) + } + + fn serialize_i64(self, v: i64) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_i64(v) + } + + fn serialize_u8(self, v: u8) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_u8(v) + } + + fn serialize_u16(self, v: u16) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_u16(v) + } + + fn serialize_u32(self, v: u32) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_u32(v) + } + + fn serialize_u64(self, v: u64) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_u64(v) + } + + fn serialize_f32(self, v: f32) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_f32(v) + } + + fn serialize_f64(self, v: f64) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_f64(v) + } + + fn serialize_char(self, v: char) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_char(v) + } + + fn serialize_str(self, v: &str) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_str(v) + } + + fn serialize_bytes(self, value: &[u8]) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_bytes(value) + } + + fn serialize_none(self) -> Result<Self::Ok, Self::Error> { + self.is_none = true; + Err(Error::UnsupportedNone) + } + + fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error> + where + T: serde::ser::Serialize, + { + ValueSerializer::new().serialize_some(value) + } + + fn serialize_unit(self) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_unit() + } + + fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_unit_struct(name) + } + + fn serialize_unit_variant( + self, + name: &'static str, + variant_index: u32, + variant: &'static str, + ) -> Result<Self::Ok, Self::Error> { + ValueSerializer::new().serialize_unit_variant(name, variant_index, variant) + } + + fn serialize_newtype_struct<T: ?Sized>( + self, + name: &'static str, + value: &T, + ) -> Result<Self::Ok, Self::Error> + where + T: serde::ser::Serialize, + { + ValueSerializer::new().serialize_newtype_struct(name, value) + } + + 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: serde::ser::Serialize, + { + ValueSerializer::new().serialize_newtype_variant(name, variant_index, variant, value) + } + + fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> { + ValueSerializer::new().serialize_seq(len) + } + + fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, Self::Error> { + ValueSerializer::new().serialize_tuple(len) + } + + fn serialize_tuple_struct( + self, + name: &'static str, + len: usize, + ) -> Result<Self::SerializeTupleStruct, Self::Error> { + ValueSerializer::new().serialize_tuple_struct(name, len) + } + + fn serialize_tuple_variant( + self, + name: &'static str, + variant_index: u32, + variant: &'static str, + len: usize, + ) -> Result<Self::SerializeTupleVariant, Self::Error> { + ValueSerializer::new().serialize_tuple_variant(name, variant_index, variant, len) + } + + fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> { + ValueSerializer::new().serialize_map(len) + } + + fn serialize_struct( + self, + name: &'static str, + len: usize, + ) -> Result<Self::SerializeStruct, Self::Error> { + ValueSerializer::new().serialize_struct(name, len) + } + + fn serialize_struct_variant( + self, + name: &'static str, + variant_index: u32, + variant: &'static str, + len: usize, + ) -> Result<Self::SerializeStructVariant, Self::Error> { + ValueSerializer::new().serialize_struct_variant(name, variant_index, variant, len) + } +} + +pub type SerializeTupleVariant = SerializeVariant<SerializeValueArray>; +pub type SerializeStructVariant = SerializeVariant<SerializeMap>; + +pub struct SerializeVariant<T> { + variant: &'static str, + inner: T, +} + +impl SerializeVariant<SerializeValueArray> { + pub(crate) fn tuple(variant: &'static str, len: usize) -> Self { + Self { + variant, + inner: SerializeValueArray::with_capacity(len), + } + } +} + +impl SerializeVariant<SerializeMap> { + pub(crate) fn struct_(variant: &'static str, len: usize) -> Self { + Self { + variant, + inner: SerializeMap::table_with_capacity(len), + } + } +} + +impl serde::ser::SerializeTupleVariant for SerializeVariant<SerializeValueArray> { + type Ok = crate::Value; + type Error = Error; + + fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Error> + where + T: serde::ser::Serialize, + { + serde::ser::SerializeSeq::serialize_element(&mut self.inner, value) + } + + fn end(self) -> Result<Self::Ok, Self::Error> { + let inner = serde::ser::SerializeSeq::end(self.inner)?; + let mut items = crate::table::KeyValuePairs::new(); + let kv = crate::table::TableKeyValue::new( + crate::Key::new(self.variant), + crate::Item::Value(inner), + ); + items.insert(crate::InternalString::from(self.variant), kv); + Ok(crate::Value::InlineTable(crate::InlineTable::with_pairs( + items, + ))) + } +} + +impl serde::ser::SerializeStructVariant for SerializeVariant<SerializeMap> { + type Ok = crate::Value; + type Error = Error; + + #[inline] + fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error> + where + T: serde::ser::Serialize + ?Sized, + { + serde::ser::SerializeStruct::serialize_field(&mut self.inner, key, value) + } + + #[inline] + fn end(self) -> Result<Self::Ok, Self::Error> { + let inner = serde::ser::SerializeStruct::end(self.inner)?; + let mut items = crate::table::KeyValuePairs::new(); + let kv = crate::table::TableKeyValue::new( + crate::Key::new(self.variant), + crate::Item::Value(inner), + ); + items.insert(crate::InternalString::from(self.variant), kv); + Ok(crate::Value::InlineTable(crate::InlineTable::with_pairs( + items, + ))) + } +} |