summaryrefslogtreecommitdiffstats
path: root/vendor/toml-0.5.9/src/value.rs
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/toml-0.5.9/src/value.rs')
-rw-r--r--vendor/toml-0.5.9/src/value.rs1081
1 files changed, 0 insertions, 1081 deletions
diff --git a/vendor/toml-0.5.9/src/value.rs b/vendor/toml-0.5.9/src/value.rs
deleted file mode 100644
index 1a1756d10..000000000
--- a/vendor/toml-0.5.9/src/value.rs
+++ /dev/null
@@ -1,1081 +0,0 @@
-//! Definition of a TOML value
-
-use std::collections::{BTreeMap, HashMap};
-use std::fmt;
-use std::hash::Hash;
-use std::mem::discriminant;
-use std::ops;
-use std::str::FromStr;
-use std::vec;
-
-use serde::de;
-use serde::de::IntoDeserializer;
-use serde::ser;
-
-use crate::datetime::{self, DatetimeFromString};
-pub use crate::datetime::{Date, Datetime, DatetimeParseError, Offset, Time};
-
-pub use crate::map::{Entry, Map};
-
-/// Representation of a TOML value.
-#[derive(PartialEq, Clone, Debug)]
-pub enum Value {
- /// Represents a TOML string
- String(String),
- /// Represents a TOML integer
- Integer(i64),
- /// Represents a TOML float
- Float(f64),
- /// Represents a TOML boolean
- Boolean(bool),
- /// Represents a TOML datetime
- Datetime(Datetime),
- /// Represents a TOML array
- Array(Array),
- /// Represents a TOML table
- Table(Table),
-}
-
-/// Type representing a TOML array, payload of the `Value::Array` variant
-pub type Array = Vec<Value>;
-
-/// Type representing a TOML table, payload of the `Value::Table` variant.
-/// By default it is backed by a BTreeMap, enable the `preserve_order` feature
-/// to use a LinkedHashMap instead.
-pub type Table = Map<String, Value>;
-
-impl Value {
- /// Convert a `T` into `toml::Value` which is an enum that can represent
- /// any valid TOML data.
- ///
- /// This conversion can fail if `T`'s implementation of `Serialize` decides to
- /// fail, or if `T` contains a map with non-string keys.
- pub fn try_from<T>(value: T) -> Result<Value, crate::ser::Error>
- where
- T: ser::Serialize,
- {
- value.serialize(Serializer)
- }
-
- /// Interpret a `toml::Value` as an instance of type `T`.
- ///
- /// This conversion can fail if the structure of the `Value` does not match the
- /// structure expected by `T`, for example if `T` is a struct type but the
- /// `Value` contains something other than a TOML table. It can also fail if the
- /// structure is correct but `T`'s implementation of `Deserialize` decides that
- /// something is wrong with the data, for example required struct fields are
- /// missing from the TOML map or some number is too big to fit in the expected
- /// primitive type.
- pub fn try_into<'de, T>(self) -> Result<T, crate::de::Error>
- where
- T: de::Deserialize<'de>,
- {
- de::Deserialize::deserialize(self)
- }
-
- /// Index into a TOML array or map. A string index can be used to access a
- /// value in a map, and a usize index can be used to access an element of an
- /// array.
- ///
- /// Returns `None` if the type of `self` does not match the type of the
- /// index, for example if the index is a string and `self` is an array or a
- /// number. Also returns `None` if the given key does not exist in the map
- /// or the given index is not within the bounds of the array.
- pub fn get<I: Index>(&self, index: I) -> Option<&Value> {
- index.index(self)
- }
-
- /// Mutably index into a TOML array or map. A string index can be used to
- /// access a value in a map, and a usize index can be used to access an
- /// element of an array.
- ///
- /// Returns `None` if the type of `self` does not match the type of the
- /// index, for example if the index is a string and `self` is an array or a
- /// number. Also returns `None` if the given key does not exist in the map
- /// or the given index is not within the bounds of the array.
- pub fn get_mut<I: Index>(&mut self, index: I) -> Option<&mut Value> {
- index.index_mut(self)
- }
-
- /// Extracts the integer value if it is an integer.
- pub fn as_integer(&self) -> Option<i64> {
- match *self {
- Value::Integer(i) => Some(i),
- _ => None,
- }
- }
-
- /// Tests whether this value is an integer.
- pub fn is_integer(&self) -> bool {
- self.as_integer().is_some()
- }
-
- /// Extracts the float value if it is a float.
- pub fn as_float(&self) -> Option<f64> {
- match *self {
- Value::Float(f) => Some(f),
- _ => None,
- }
- }
-
- /// Tests whether this value is a float.
- pub fn is_float(&self) -> bool {
- self.as_float().is_some()
- }
-
- /// Extracts the boolean value if it is a boolean.
- pub fn as_bool(&self) -> Option<bool> {
- match *self {
- Value::Boolean(b) => Some(b),
- _ => None,
- }
- }
-
- /// Tests whether this value is a boolean.
- pub fn is_bool(&self) -> bool {
- self.as_bool().is_some()
- }
-
- /// Extracts the string of this value if it is a string.
- pub fn as_str(&self) -> Option<&str> {
- match *self {
- Value::String(ref s) => Some(&**s),
- _ => None,
- }
- }
-
- /// Tests if this value is a string.
- pub fn is_str(&self) -> bool {
- self.as_str().is_some()
- }
-
- /// Extracts the datetime value if it is a datetime.
- ///
- /// Note that a parsed TOML value will only contain ISO 8601 dates. An
- /// example date is:
- ///
- /// ```notrust
- /// 1979-05-27T07:32:00Z
- /// ```
- pub fn as_datetime(&self) -> Option<&Datetime> {
- match *self {
- Value::Datetime(ref s) => Some(s),
- _ => None,
- }
- }
-
- /// Tests whether this value is a datetime.
- pub fn is_datetime(&self) -> bool {
- self.as_datetime().is_some()
- }
-
- /// Extracts the array value if it is an array.
- pub fn as_array(&self) -> Option<&Vec<Value>> {
- match *self {
- Value::Array(ref s) => Some(s),
- _ => None,
- }
- }
-
- /// Extracts the array value if it is an array.
- pub fn as_array_mut(&mut self) -> Option<&mut Vec<Value>> {
- match *self {
- Value::Array(ref mut s) => Some(s),
- _ => None,
- }
- }
-
- /// Tests whether this value is an array.
- pub fn is_array(&self) -> bool {
- self.as_array().is_some()
- }
-
- /// Extracts the table value if it is a table.
- pub fn as_table(&self) -> Option<&Table> {
- match *self {
- Value::Table(ref s) => Some(s),
- _ => None,
- }
- }
-
- /// Extracts the table value if it is a table.
- pub fn as_table_mut(&mut self) -> Option<&mut Table> {
- match *self {
- Value::Table(ref mut s) => Some(s),
- _ => None,
- }
- }
-
- /// Tests whether this value is a table.
- pub fn is_table(&self) -> bool {
- self.as_table().is_some()
- }
-
- /// Tests whether this and another value have the same type.
- pub fn same_type(&self, other: &Value) -> bool {
- discriminant(self) == discriminant(other)
- }
-
- /// Returns a human-readable representation of the type of this value.
- pub fn type_str(&self) -> &'static str {
- match *self {
- Value::String(..) => "string",
- Value::Integer(..) => "integer",
- Value::Float(..) => "float",
- Value::Boolean(..) => "boolean",
- Value::Datetime(..) => "datetime",
- Value::Array(..) => "array",
- Value::Table(..) => "table",
- }
- }
-}
-
-impl<I> ops::Index<I> for Value
-where
- I: Index,
-{
- type Output = Value;
-
- fn index(&self, index: I) -> &Value {
- self.get(index).expect("index not found")
- }
-}
-
-impl<I> ops::IndexMut<I> for Value
-where
- I: Index,
-{
- fn index_mut(&mut self, index: I) -> &mut Value {
- self.get_mut(index).expect("index not found")
- }
-}
-
-impl<'a> From<&'a str> for Value {
- #[inline]
- fn from(val: &'a str) -> Value {
- Value::String(val.to_string())
- }
-}
-
-impl<V: Into<Value>> From<Vec<V>> for Value {
- fn from(val: Vec<V>) -> Value {
- Value::Array(val.into_iter().map(|v| v.into()).collect())
- }
-}
-
-impl<S: Into<String>, V: Into<Value>> From<BTreeMap<S, V>> for Value {
- fn from(val: BTreeMap<S, V>) -> Value {
- let table = val.into_iter().map(|(s, v)| (s.into(), v.into())).collect();
-
- Value::Table(table)
- }
-}
-
-impl<S: Into<String> + Hash + Eq, V: Into<Value>> From<HashMap<S, V>> for Value {
- fn from(val: HashMap<S, V>) -> Value {
- let table = val.into_iter().map(|(s, v)| (s.into(), v.into())).collect();
-
- Value::Table(table)
- }
-}
-
-macro_rules! impl_into_value {
- ($variant:ident : $T:ty) => {
- impl From<$T> for Value {
- #[inline]
- fn from(val: $T) -> Value {
- Value::$variant(val.into())
- }
- }
- };
-}
-
-impl_into_value!(String: String);
-impl_into_value!(Integer: i64);
-impl_into_value!(Integer: i32);
-impl_into_value!(Integer: i8);
-impl_into_value!(Integer: u8);
-impl_into_value!(Integer: u32);
-impl_into_value!(Float: f64);
-impl_into_value!(Float: f32);
-impl_into_value!(Boolean: bool);
-impl_into_value!(Datetime: Datetime);
-impl_into_value!(Table: Table);
-
-/// Types that can be used to index a `toml::Value`
-///
-/// Currently this is implemented for `usize` to index arrays and `str` to index
-/// tables.
-///
-/// This trait is sealed and not intended for implementation outside of the
-/// `toml` crate.
-pub trait Index: Sealed {
- #[doc(hidden)]
- fn index<'a>(&self, val: &'a Value) -> Option<&'a Value>;
- #[doc(hidden)]
- fn index_mut<'a>(&self, val: &'a mut Value) -> Option<&'a mut Value>;
-}
-
-/// An implementation detail that should not be implemented, this will change in
-/// the future and break code otherwise.
-#[doc(hidden)]
-pub trait Sealed {}
-impl Sealed for usize {}
-impl Sealed for str {}
-impl Sealed for String {}
-impl<'a, T: Sealed + ?Sized> Sealed for &'a T {}
-
-impl Index for usize {
- fn index<'a>(&self, val: &'a Value) -> Option<&'a Value> {
- match *val {
- Value::Array(ref a) => a.get(*self),
- _ => None,
- }
- }
-
- fn index_mut<'a>(&self, val: &'a mut Value) -> Option<&'a mut Value> {
- match *val {
- Value::Array(ref mut a) => a.get_mut(*self),
- _ => None,
- }
- }
-}
-
-impl Index for str {
- fn index<'a>(&self, val: &'a Value) -> Option<&'a Value> {
- match *val {
- Value::Table(ref a) => a.get(self),
- _ => None,
- }
- }
-
- fn index_mut<'a>(&self, val: &'a mut Value) -> Option<&'a mut Value> {
- match *val {
- Value::Table(ref mut a) => a.get_mut(self),
- _ => None,
- }
- }
-}
-
-impl Index for String {
- fn index<'a>(&self, val: &'a Value) -> Option<&'a Value> {
- self[..].index(val)
- }
-
- fn index_mut<'a>(&self, val: &'a mut Value) -> Option<&'a mut Value> {
- self[..].index_mut(val)
- }
-}
-
-impl<'s, T: ?Sized> Index for &'s T
-where
- T: Index,
-{
- fn index<'a>(&self, val: &'a Value) -> Option<&'a Value> {
- (**self).index(val)
- }
-
- fn index_mut<'a>(&self, val: &'a mut Value) -> Option<&'a mut Value> {
- (**self).index_mut(val)
- }
-}
-
-impl fmt::Display for Value {
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- crate::ser::to_string(self)
- .expect("Unable to represent value as string")
- .fmt(f)
- }
-}
-
-impl FromStr for Value {
- type Err = crate::de::Error;
- fn from_str(s: &str) -> Result<Value, Self::Err> {
- crate::from_str(s)
- }
-}
-
-impl ser::Serialize for Value {
- fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
- where
- S: ser::Serializer,
- {
- use serde::ser::SerializeMap;
-
- match *self {
- Value::String(ref s) => serializer.serialize_str(s),
- Value::Integer(i) => serializer.serialize_i64(i),
- Value::Float(f) => serializer.serialize_f64(f),
- Value::Boolean(b) => serializer.serialize_bool(b),
- Value::Datetime(ref s) => s.serialize(serializer),
- Value::Array(ref a) => a.serialize(serializer),
- Value::Table(ref t) => {
- let mut map = serializer.serialize_map(Some(t.len()))?;
- // Be sure to visit non-tables first (and also non
- // array-of-tables) as all keys must be emitted first.
- for (k, v) in t {
- if !v.is_table() && !v.is_array()
- || (v
- .as_array()
- .map(|a| !a.iter().any(|v| v.is_table()))
- .unwrap_or(false))
- {
- map.serialize_entry(k, v)?;
- }
- }
- for (k, v) in t {
- if v.as_array()
- .map(|a| a.iter().any(|v| v.is_table()))
- .unwrap_or(false)
- {
- map.serialize_entry(k, v)?;
- }
- }
- for (k, v) in t {
- if v.is_table() {
- map.serialize_entry(k, v)?;
- }
- }
- map.end()
- }
- }
- }
-}
-
-impl<'de> de::Deserialize<'de> for Value {
- fn deserialize<D>(deserializer: D) -> Result<Value, D::Error>
- where
- D: de::Deserializer<'de>,
- {
- struct ValueVisitor;
-
- impl<'de> de::Visitor<'de> for ValueVisitor {
- type Value = Value;
-
- fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
- formatter.write_str("any valid TOML value")
- }
-
- fn visit_bool<E>(self, value: bool) -> Result<Value, E> {
- Ok(Value::Boolean(value))
- }
-
- fn visit_i64<E>(self, value: i64) -> Result<Value, E> {
- Ok(Value::Integer(value))
- }
-
- fn visit_u64<E: de::Error>(self, value: u64) -> Result<Value, E> {
- if value <= i64::max_value() as u64 {
- Ok(Value::Integer(value as i64))
- } else {
- Err(de::Error::custom("u64 value was too large"))
- }
- }
-
- fn visit_u32<E>(self, value: u32) -> Result<Value, E> {
- Ok(Value::Integer(value.into()))
- }
-
- fn visit_i32<E>(self, value: i32) -> Result<Value, E> {
- Ok(Value::Integer(value.into()))
- }
-
- fn visit_f64<E>(self, value: f64) -> Result<Value, E> {
- Ok(Value::Float(value))
- }
-
- fn visit_str<E>(self, value: &str) -> Result<Value, E> {
- Ok(Value::String(value.into()))
- }
-
- fn visit_string<E>(self, value: String) -> Result<Value, E> {
- Ok(Value::String(value))
- }
-
- fn visit_some<D>(self, deserializer: D) -> Result<Value, D::Error>
- where
- D: de::Deserializer<'de>,
- {
- de::Deserialize::deserialize(deserializer)
- }
-
- fn visit_seq<V>(self, mut visitor: V) -> Result<Value, V::Error>
- where
- V: de::SeqAccess<'de>,
- {
- let mut vec = Vec::new();
- while let Some(elem) = visitor.next_element()? {
- vec.push(elem);
- }
- Ok(Value::Array(vec))
- }
-
- fn visit_map<V>(self, mut visitor: V) -> Result<Value, V::Error>
- where
- V: de::MapAccess<'de>,
- {
- let mut key = String::new();
- let datetime = visitor.next_key_seed(DatetimeOrTable { key: &mut key })?;
- match datetime {
- Some(true) => {
- let date: DatetimeFromString = visitor.next_value()?;
- return Ok(Value::Datetime(date.value));
- }
- None => return Ok(Value::Table(Map::new())),
- Some(false) => {}
- }
- let mut map = Map::new();
- map.insert(key, visitor.next_value()?);
- while let Some(key) = visitor.next_key::<String>()? {
- if let Entry::Vacant(vacant) = map.entry(&key) {
- vacant.insert(visitor.next_value()?);
- } else {
- let msg = format!("duplicate key: `{}`", key);
- return Err(de::Error::custom(msg));
- }
- }
- Ok(Value::Table(map))
- }
- }
-
- deserializer.deserialize_any(ValueVisitor)
- }
-}
-
-impl<'de> de::Deserializer<'de> for Value {
- type Error = crate::de::Error;
-
- fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, crate::de::Error>
- where
- V: de::Visitor<'de>,
- {
- match self {
- Value::Boolean(v) => visitor.visit_bool(v),
- Value::Integer(n) => visitor.visit_i64(n),
- Value::Float(n) => visitor.visit_f64(n),
- Value::String(v) => visitor.visit_string(v),
- Value::Datetime(v) => visitor.visit_string(v.to_string()),
- Value::Array(v) => {
- let len = v.len();
- let mut deserializer = SeqDeserializer::new(v);
- let seq = visitor.visit_seq(&mut deserializer)?;
- let remaining = deserializer.iter.len();
- if remaining == 0 {
- Ok(seq)
- } else {
- Err(de::Error::invalid_length(len, &"fewer elements in array"))
- }
- }
- Value::Table(v) => {
- let len = v.len();
- let mut deserializer = MapDeserializer::new(v);
- let map = visitor.visit_map(&mut deserializer)?;
- let remaining = deserializer.iter.len();
- if remaining == 0 {
- Ok(map)
- } else {
- Err(de::Error::invalid_length(len, &"fewer elements in map"))
- }
- }
- }
- }
-
- #[inline]
- fn deserialize_enum<V>(
- self,
- _name: &str,
- _variants: &'static [&'static str],
- visitor: V,
- ) -> Result<V::Value, crate::de::Error>
- where
- V: de::Visitor<'de>,
- {
- match self {
- Value::String(variant) => visitor.visit_enum(variant.into_deserializer()),
- _ => Err(de::Error::invalid_type(
- de::Unexpected::UnitVariant,
- &"string only",
- )),
- }
- }
-
- // `None` is interpreted as a missing field so be sure to implement `Some`
- // as a present field.
- fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, crate::de::Error>
- where
- V: de::Visitor<'de>,
- {
- visitor.visit_some(self)
- }
-
- fn deserialize_newtype_struct<V>(
- self,
- _name: &'static str,
- visitor: V,
- ) -> Result<V::Value, crate::de::Error>
- where
- V: de::Visitor<'de>,
- {
- visitor.visit_newtype_struct(self)
- }
-
- serde::forward_to_deserialize_any! {
- bool u8 u16 u32 u64 i8 i16 i32 i64 f32 f64 char str string unit seq
- bytes byte_buf map unit_struct tuple_struct struct
- tuple ignored_any identifier
- }
-}
-
-struct SeqDeserializer {
- iter: vec::IntoIter<Value>,
-}
-
-impl SeqDeserializer {
- fn new(vec: Vec<Value>) -> Self {
- SeqDeserializer {
- iter: vec.into_iter(),
- }
- }
-}
-
-impl<'de> de::SeqAccess<'de> for SeqDeserializer {
- type Error = crate::de::Error;
-
- fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, crate::de::Error>
- where
- T: de::DeserializeSeed<'de>,
- {
- match self.iter.next() {
- Some(value) => seed.deserialize(value).map(Some),
- None => Ok(None),
- }
- }
-
- fn size_hint(&self) -> Option<usize> {
- match self.iter.size_hint() {
- (lower, Some(upper)) if lower == upper => Some(upper),
- _ => None,
- }
- }
-}
-
-struct MapDeserializer {
- iter: <Map<String, Value> as IntoIterator>::IntoIter,
- value: Option<(String, Value)>,
-}
-
-impl MapDeserializer {
- fn new(map: Map<String, Value>) -> Self {
- MapDeserializer {
- iter: map.into_iter(),
- value: None,
- }
- }
-}
-
-impl<'de> de::MapAccess<'de> for MapDeserializer {
- type Error = crate::de::Error;
-
- fn next_key_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, crate::de::Error>
- where
- T: de::DeserializeSeed<'de>,
- {
- match self.iter.next() {
- Some((key, value)) => {
- self.value = Some((key.clone(), value));
- seed.deserialize(Value::String(key)).map(Some)
- }
- None => Ok(None),
- }
- }
-
- fn next_value_seed<T>(&mut self, seed: T) -> Result<T::Value, crate::de::Error>
- where
- T: de::DeserializeSeed<'de>,
- {
- let (key, res) = match self.value.take() {
- Some((key, value)) => (key, seed.deserialize(value)),
- None => return Err(de::Error::custom("value is missing")),
- };
- res.map_err(|mut error| {
- error.add_key_context(&key);
- error
- })
- }
-
- fn size_hint(&self) -> Option<usize> {
- match self.iter.size_hint() {
- (lower, Some(upper)) if lower == upper => Some(upper),
- _ => None,
- }
- }
-}
-
-impl<'de> de::IntoDeserializer<'de, crate::de::Error> for Value {
- type Deserializer = Self;
-
- fn into_deserializer(self) -> Self {
- self
- }
-}
-
-struct Serializer;
-
-impl ser::Serializer for Serializer {
- type Ok = Value;
- type Error = crate::ser::Error;
-
- type SerializeSeq = SerializeVec;
- type SerializeTuple = SerializeVec;
- type SerializeTupleStruct = SerializeVec;
- type SerializeTupleVariant = SerializeVec;
- type SerializeMap = SerializeMap;
- type SerializeStruct = SerializeMap;
- type SerializeStructVariant = ser::Impossible<Value, crate::ser::Error>;
-
- fn serialize_bool(self, value: bool) -> Result<Value, crate::ser::Error> {
- Ok(Value::Boolean(value))
- }
-
- fn serialize_i8(self, value: i8) -> Result<Value, crate::ser::Error> {
- self.serialize_i64(value.into())
- }
-
- fn serialize_i16(self, value: i16) -> Result<Value, crate::ser::Error> {
- self.serialize_i64(value.into())
- }
-
- fn serialize_i32(self, value: i32) -> Result<Value, crate::ser::Error> {
- self.serialize_i64(value.into())
- }
-
- fn serialize_i64(self, value: i64) -> Result<Value, crate::ser::Error> {
- Ok(Value::Integer(value))
- }
-
- fn serialize_u8(self, value: u8) -> Result<Value, crate::ser::Error> {
- self.serialize_i64(value.into())
- }
-
- fn serialize_u16(self, value: u16) -> Result<Value, crate::ser::Error> {
- self.serialize_i64(value.into())
- }
-
- fn serialize_u32(self, value: u32) -> Result<Value, crate::ser::Error> {
- self.serialize_i64(value.into())
- }
-
- fn serialize_u64(self, value: u64) -> Result<Value, crate::ser::Error> {
- if value <= i64::max_value() as u64 {
- self.serialize_i64(value as i64)
- } else {
- Err(ser::Error::custom("u64 value was too large"))
- }
- }
-
- fn serialize_f32(self, value: f32) -> Result<Value, crate::ser::Error> {
- self.serialize_f64(value.into())
- }
-
- fn serialize_f64(self, value: f64) -> Result<Value, crate::ser::Error> {
- Ok(Value::Float(value))
- }
-
- fn serialize_char(self, value: char) -> Result<Value, crate::ser::Error> {
- let mut s = String::new();
- s.push(value);
- self.serialize_str(&s)
- }
-
- fn serialize_str(self, value: &str) -> Result<Value, crate::ser::Error> {
- Ok(Value::String(value.to_owned()))
- }
-
- fn serialize_bytes(self, value: &[u8]) -> Result<Value, crate::ser::Error> {
- let vec = value.iter().map(|&b| Value::Integer(b.into())).collect();
- Ok(Value::Array(vec))
- }
-
- fn serialize_unit(self) -> Result<Value, crate::ser::Error> {
- Err(crate::ser::Error::UnsupportedType)
- }
-
- fn serialize_unit_struct(self, _name: &'static str) -> Result<Value, crate::ser::Error> {
- Err(crate::ser::Error::UnsupportedType)
- }
-
- fn serialize_unit_variant(
- self,
- _name: &'static str,
- _variant_index: u32,
- _variant: &'static str,
- ) -> Result<Value, crate::ser::Error> {
- self.serialize_str(_variant)
- }
-
- fn serialize_newtype_struct<T: ?Sized>(
- self,
- _name: &'static str,
- value: &T,
- ) -> Result<Value, crate::ser::Error>
- where
- T: ser::Serialize,
- {
- value.serialize(self)
- }
-
- fn serialize_newtype_variant<T: ?Sized>(
- self,
- _name: &'static str,
- _variant_index: u32,
- _variant: &'static str,
- _value: &T,
- ) -> Result<Value, crate::ser::Error>
- where
- T: ser::Serialize,
- {
- Err(crate::ser::Error::UnsupportedType)
- }
-
- fn serialize_none(self) -> Result<Value, crate::ser::Error> {
- Err(crate::ser::Error::UnsupportedNone)
- }
-
- fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Value, crate::ser::Error>
- where
- T: ser::Serialize,
- {
- value.serialize(self)
- }
-
- fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, crate::ser::Error> {
- Ok(SerializeVec {
- vec: Vec::with_capacity(len.unwrap_or(0)),
- })
- }
-
- fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, crate::ser::Error> {
- self.serialize_seq(Some(len))
- }
-
- fn serialize_tuple_struct(
- self,
- _name: &'static str,
- len: usize,
- ) -> Result<Self::SerializeTupleStruct, crate::ser::Error> {
- self.serialize_seq(Some(len))
- }
-
- fn serialize_tuple_variant(
- self,
- _name: &'static str,
- _variant_index: u32,
- _variant: &'static str,
- len: usize,
- ) -> Result<Self::SerializeTupleVariant, crate::ser::Error> {
- self.serialize_seq(Some(len))
- }
-
- fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, crate::ser::Error> {
- Ok(SerializeMap {
- map: Map::new(),
- next_key: None,
- })
- }
-
- fn serialize_struct(
- self,
- _name: &'static str,
- len: usize,
- ) -> Result<Self::SerializeStruct, crate::ser::Error> {
- self.serialize_map(Some(len))
- }
-
- fn serialize_struct_variant(
- self,
- _name: &'static str,
- _variant_index: u32,
- _variant: &'static str,
- _len: usize,
- ) -> Result<Self::SerializeStructVariant, crate::ser::Error> {
- Err(crate::ser::Error::UnsupportedType)
- }
-}
-
-struct SerializeVec {
- vec: Vec<Value>,
-}
-
-struct SerializeMap {
- map: Map<String, Value>,
- next_key: Option<String>,
-}
-
-impl ser::SerializeSeq for SerializeVec {
- type Ok = Value;
- type Error = crate::ser::Error;
-
- fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), crate::ser::Error>
- where
- T: ser::Serialize,
- {
- self.vec.push(Value::try_from(value)?);
- Ok(())
- }
-
- fn end(self) -> Result<Value, crate::ser::Error> {
- Ok(Value::Array(self.vec))
- }
-}
-
-impl ser::SerializeTuple for SerializeVec {
- type Ok = Value;
- type Error = crate::ser::Error;
-
- fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), crate::ser::Error>
- where
- T: ser::Serialize,
- {
- ser::SerializeSeq::serialize_element(self, value)
- }
-
- fn end(self) -> Result<Value, crate::ser::Error> {
- ser::SerializeSeq::end(self)
- }
-}
-
-impl ser::SerializeTupleStruct for SerializeVec {
- type Ok = Value;
- type Error = crate::ser::Error;
-
- fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), crate::ser::Error>
- where
- T: ser::Serialize,
- {
- ser::SerializeSeq::serialize_element(self, value)
- }
-
- fn end(self) -> Result<Value, crate::ser::Error> {
- ser::SerializeSeq::end(self)
- }
-}
-
-impl ser::SerializeTupleVariant for SerializeVec {
- type Ok = Value;
- type Error = crate::ser::Error;
-
- fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), crate::ser::Error>
- where
- T: ser::Serialize,
- {
- ser::SerializeSeq::serialize_element(self, value)
- }
-
- fn end(self) -> Result<Value, crate::ser::Error> {
- ser::SerializeSeq::end(self)
- }
-}
-
-impl ser::SerializeMap for SerializeMap {
- type Ok = Value;
- type Error = crate::ser::Error;
-
- fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), crate::ser::Error>
- where
- T: ser::Serialize,
- {
- match Value::try_from(key)? {
- Value::String(s) => self.next_key = Some(s),
- _ => return Err(crate::ser::Error::KeyNotString),
- };
- Ok(())
- }
-
- fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<(), crate::ser::Error>
- where
- T: ser::Serialize,
- {
- let key = self.next_key.take();
- let key = key.expect("serialize_value called before serialize_key");
- match Value::try_from(value) {
- Ok(value) => {
- self.map.insert(key, value);
- }
- Err(crate::ser::Error::UnsupportedNone) => {}
- Err(e) => return Err(e),
- }
- Ok(())
- }
-
- fn end(self) -> Result<Value, crate::ser::Error> {
- Ok(Value::Table(self.map))
- }
-}
-
-impl ser::SerializeStruct for SerializeMap {
- type Ok = Value;
- type Error = crate::ser::Error;
-
- fn serialize_field<T: ?Sized>(
- &mut self,
- key: &'static str,
- value: &T,
- ) -> Result<(), crate::ser::Error>
- where
- T: ser::Serialize,
- {
- ser::SerializeMap::serialize_key(self, key)?;
- ser::SerializeMap::serialize_value(self, value)
- }
-
- fn end(self) -> Result<Value, crate::ser::Error> {
- ser::SerializeMap::end(self)
- }
-}
-
-struct DatetimeOrTable<'a> {
- key: &'a mut String,
-}
-
-impl<'a, 'de> de::DeserializeSeed<'de> for DatetimeOrTable<'a> {
- type Value = bool;
-
- fn deserialize<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
- where
- D: de::Deserializer<'de>,
- {
- deserializer.deserialize_any(self)
- }
-}
-
-impl<'a, 'de> de::Visitor<'de> for DatetimeOrTable<'a> {
- type Value = bool;
-
- fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
- formatter.write_str("a string key")
- }
-
- fn visit_str<E>(self, s: &str) -> Result<bool, E>
- where
- E: de::Error,
- {
- if s == datetime::FIELD {
- Ok(true)
- } else {
- self.key.push_str(s);
- Ok(false)
- }
- }
-
- fn visit_string<E>(self, s: String) -> Result<bool, E>
- where
- E: de::Error,
- {
- if s == datetime::FIELD {
- Ok(true)
- } else {
- *self.key = s;
- Ok(false)
- }
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-29 10:19:56 +0000