Adding upstream version 0.70.1+ds1.upstream/0.70.1+ds1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 541 insertions, 0 deletions

diff --git a/vendor/serde-value/src/de.rs b/vendor/serde-value/src/de.rs
new file mode 100644
index 0000000..97dc115
--- /dev/null
+++ b/vendor/serde-value/src/de.rs
@@ -0,0 +1,541 @@
+use serde::{forward_to_deserialize_any, de};
+use std::collections::BTreeMap;
+use std::error::Error;
+use std::fmt;
+use std::marker::PhantomData;
+
+use crate::Value;
+
+#[derive(Debug)]
+pub enum Unexpected {
+    Bool(bool),
+    Unsigned(u64),
+    Signed(i64),
+    Float(f64),
+    Char(char),
+    Str(String),
+    Bytes(Vec<u8>),
+    Unit,
+    Option,
+    NewtypeStruct,
+    Seq,
+    Map,
+    Enum,
+    UnitVariant,
+    NewtypeVariant,
+    TupleVariant,
+    StructVariant,
+    Other(String),
+}
+
+impl<'a> From<de::Unexpected<'a>> for Unexpected {
+    fn from(unexp: de::Unexpected) -> Unexpected {
+        match unexp {
+            de::Unexpected::Bool(v) => Unexpected::Bool(v),
+            de::Unexpected::Unsigned(v) => Unexpected::Unsigned(v),
+            de::Unexpected::Signed(v) => Unexpected::Signed(v),
+            de::Unexpected::Float(v) => Unexpected::Float(v),
+            de::Unexpected::Char(v) => Unexpected::Char(v),
+            de::Unexpected::Str(v) => Unexpected::Str(v.to_owned()),
+            de::Unexpected::Bytes(v) => Unexpected::Bytes(v.to_owned()),
+            de::Unexpected::Unit => Unexpected::Unit,
+            de::Unexpected::Option => Unexpected::Option,
+            de::Unexpected::NewtypeStruct => Unexpected::NewtypeStruct,
+            de::Unexpected::Seq => Unexpected::Seq,
+            de::Unexpected::Map => Unexpected::Map,
+            de::Unexpected::Enum => Unexpected::Enum,
+            de::Unexpected::UnitVariant => Unexpected::UnitVariant,
+            de::Unexpected::NewtypeVariant => Unexpected::NewtypeVariant,
+            de::Unexpected::TupleVariant => Unexpected::TupleVariant,
+            de::Unexpected::StructVariant => Unexpected::StructVariant,
+            de::Unexpected::Other(v) => Unexpected::Other(v.to_owned()),
+        }
+    }
+}
+
+impl Unexpected {
+    pub fn to_unexpected<'a>(&'a self) -> de::Unexpected<'a> {
+        match *self {
+            Unexpected::Bool(v) => de::Unexpected::Bool(v),
+            Unexpected::Unsigned(v) => de::Unexpected::Unsigned(v),
+            Unexpected::Signed(v) => de::Unexpected::Signed(v),
+            Unexpected::Float(v) => de::Unexpected::Float(v),
+            Unexpected::Char(v) => de::Unexpected::Char(v),
+            Unexpected::Str(ref v) => de::Unexpected::Str(v),
+            Unexpected::Bytes(ref v) => de::Unexpected::Bytes(v),
+            Unexpected::Unit => de::Unexpected::Unit,
+            Unexpected::Option => de::Unexpected::Option,
+            Unexpected::NewtypeStruct => de::Unexpected::NewtypeStruct,
+            Unexpected::Seq => de::Unexpected::Seq,
+            Unexpected::Map => de::Unexpected::Map,
+            Unexpected::Enum => de::Unexpected::Enum,
+            Unexpected::UnitVariant => de::Unexpected::UnitVariant,
+            Unexpected::NewtypeVariant => de::Unexpected::NewtypeVariant,
+            Unexpected::TupleVariant => de::Unexpected::TupleVariant,
+            Unexpected::StructVariant => de::Unexpected::StructVariant,
+            Unexpected::Other(ref v) => de::Unexpected::Other(v),
+        }
+    }
+
+}
+
+#[derive(Debug)]
+pub enum DeserializerError {
+    Custom(String),
+    InvalidType(Unexpected, String),
+    InvalidValue(Unexpected, String),
+    InvalidLength(usize, String),
+    UnknownVariant(String, &'static [&'static str]),
+    UnknownField(String, &'static [&'static str]),
+    MissingField(&'static str),
+    DuplicateField(&'static str),
+}
+
+impl de::Error for DeserializerError {
+    fn custom<T: fmt::Display>(msg: T) -> Self {
+        DeserializerError::Custom(msg.to_string())
+    }
+
+    fn invalid_type(unexp: de::Unexpected, exp: &dyn de::Expected) -> Self {
+        DeserializerError::InvalidType(unexp.into(), exp.to_string())
+    }
+
+    fn invalid_value(unexp: de::Unexpected, exp: &dyn de::Expected) -> Self {
+        DeserializerError::InvalidValue(unexp.into(), exp.to_string())
+    }
+
+    fn invalid_length(len: usize, exp: &dyn de::Expected) -> Self {
+        DeserializerError::InvalidLength(len, exp.to_string())
+    }
+
+    fn unknown_variant(field: &str, expected: &'static [&'static str]) -> Self {
+        DeserializerError::UnknownVariant(field.into(), expected)
+    }
+
+    fn unknown_field(field: &str, expected: &'static [&'static str]) -> Self {
+        DeserializerError::UnknownField(field.into(), expected)
+    }
+
+    fn missing_field(field: &'static str) -> Self {
+        DeserializerError::MissingField(field)
+    }
+
+    fn duplicate_field(field: &'static str) -> Self {
+        DeserializerError::DuplicateField(field)
+    }
+}
+
+impl DeserializerError {
+    pub fn to_error<E: de::Error>(&self) -> E {
+        match *self {
+            DeserializerError::Custom(ref msg) => E::custom(msg.clone()),
+            DeserializerError::InvalidType(ref unexp, ref exp) => {
+                E::invalid_type(unexp.to_unexpected(), &&**exp)
+            }
+            DeserializerError::InvalidValue(ref unexp, ref exp) => {
+                E::invalid_value(unexp.to_unexpected(), &&**exp)
+            }
+            DeserializerError::InvalidLength(len, ref exp) => E::invalid_length(len, &&**exp),
+            DeserializerError::UnknownVariant(ref field, exp) => E::unknown_variant(field, exp),
+            DeserializerError::UnknownField(ref field, exp) => E::unknown_field(field, exp),
+            DeserializerError::MissingField(field) => E::missing_field(field),
+            DeserializerError::DuplicateField(field) => E::missing_field(field),
+        }
+    }
+
+    pub fn into_error<E: de::Error>(self) -> E {
+        self.to_error()
+    }
+}
+
+impl Error for DeserializerError {
+    fn description(&self) -> &str {
+        "Value deserializer error"
+    }
+}
+
+impl fmt::Display for DeserializerError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match *self {
+            DeserializerError::Custom(ref msg) => write!(f, "{}", msg),
+            DeserializerError::InvalidType(ref unexp, ref exp) => {
+                write!(f, "Invalid type {}. Expected {}", unexp.to_unexpected(), exp)
+            }
+            DeserializerError::InvalidValue(ref unexp, ref exp) => {
+                write!(f, "Invalid value {}. Expected {}", unexp.to_unexpected(), exp)
+            }
+            DeserializerError::InvalidLength(len, ref exp) => {
+                write!(f, "Invalid length {}. Expected {}", len, exp)
+            }
+            DeserializerError::UnknownVariant(ref field, exp) => {
+                write!(f, "Unknown variant {}. Expected one of {}", field, exp.join(", "))
+            },
+            DeserializerError::UnknownField(ref field, exp) => {
+                write!(f, "Unknown field {}. Expected one of {}", field, exp.join(", "))
+            }
+            DeserializerError::MissingField(field) => write!(f, "Missing field {}", field),
+            DeserializerError::DuplicateField(field) => write!(f, "Duplicate field {}", field),
+        }
+    }
+}
+
+impl From<de::value::Error> for DeserializerError {
+    fn from(e: de::value::Error) -> DeserializerError {
+        DeserializerError::Custom(e.to_string())
+    }
+}
+
+pub struct ValueVisitor;
+
+impl<'de> de::Visitor<'de> for ValueVisitor {
+    type Value = Value;
+
+    fn expecting(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        fmt.write_str("any value")
+    }
+
+    fn visit_bool<E>(self, value: bool) -> Result<Value, E> {
+        Ok(Value::Bool(value))
+    }
+
+    fn visit_i8<E>(self, value: i8) -> Result<Value, E> {
+        Ok(Value::I8(value))
+    }
+
+    fn visit_i16<E>(self, value: i16) -> Result<Value, E> {
+        Ok(Value::I16(value))
+    }
+
+    fn visit_i32<E>(self, value: i32) -> Result<Value, E> {
+        Ok(Value::I32(value))
+    }
+
+    fn visit_i64<E>(self, value: i64) -> Result<Value, E> {
+        Ok(Value::I64(value))
+    }
+
+    fn visit_u8<E>(self, value: u8) -> Result<Value, E> {
+        Ok(Value::U8(value))
+    }
+
+    fn visit_u16<E>(self, value: u16) -> Result<Value, E> {
+        Ok(Value::U16(value))
+    }
+
+    fn visit_u32<E>(self, value: u32) -> Result<Value, E> {
+        Ok(Value::U32(value))
+    }
+
+    fn visit_u64<E>(self, value: u64) -> Result<Value, E> {
+        Ok(Value::U64(value))
+    }
+
+    fn visit_f32<E>(self, value: f32) -> Result<Value, E> {
+        Ok(Value::F32(value))
+    }
+
+    fn visit_f64<E>(self, value: f64) -> Result<Value, E> {
+        Ok(Value::F64(value))
+    }
+
+    fn visit_char<E>(self, value: char) -> Result<Value, E> {
+        Ok(Value::Char(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_unit<E>(self) -> Result<Value, E> {
+        Ok(Value::Unit)
+    }
+
+    fn visit_none<E>(self) -> Result<Value, E> {
+        Ok(Value::Option(None))
+    }
+
+    fn visit_some<D: de::Deserializer<'de>>(self, d: D) -> Result<Value, D::Error> {
+        d.deserialize_any(ValueVisitor).map(|v| Value::Option(Some(Box::new(v))))
+    }
+
+    fn visit_newtype_struct<D: de::Deserializer<'de>>(self, d: D) -> Result<Value, D::Error> {
+        d.deserialize_any(ValueVisitor).map(|v| Value::Newtype(Box::new(v)))
+    }
+
+    fn visit_seq<V: de::SeqAccess<'de>>(self, mut visitor: V) -> Result<Value, V::Error> {
+        let mut values = Vec::new();
+        while let Some(elem) = visitor.next_element()? {
+            values.push(elem);
+        }
+        Ok(Value::Seq(values))
+    }
+
+    fn visit_map<V: de::MapAccess<'de>>(self, mut visitor: V) -> Result<Value, V::Error> {
+        let mut values = BTreeMap::new();
+        while let Some((key, value)) = visitor.next_entry()? {
+            values.insert(key, value);
+        }
+        Ok(Value::Map(values))
+    }
+
+    fn visit_bytes<E>(self, v: &[u8]) -> Result<Value, E> {
+        Ok(Value::Bytes(v.into()))
+    }
+
+    fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<Value, E> {
+        Ok(Value::Bytes(v))
+    }
+}
+
+impl<'de> de::Deserialize<'de> for Value {
+    fn deserialize<D: de::Deserializer<'de>>(d: D) -> Result<Self, D::Error> {
+        d.deserialize_any(ValueVisitor)
+    }
+}
+
+impl<'de> de::IntoDeserializer<'de, DeserializerError> for Value {
+    type Deserializer = Value;
+
+    fn into_deserializer(self) -> Value {
+        self
+    }
+}
+
+pub struct ValueDeserializer<E> {
+    value: Value,
+    error: PhantomData<fn() -> E>,
+}
+
+impl<E> ValueDeserializer<E> {
+    pub fn new(value: Value) -> Self {
+        ValueDeserializer {
+            value: value,
+            error: Default::default(),
+        }
+    }
+
+    pub fn into_value(self) -> Value {
+        self.value
+    }
+}
+
+impl<'de, E> de::Deserializer<'de> for ValueDeserializer<E> where E: de::Error {
+    type Error = E;
+
+    fn deserialize_any<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value, Self::Error> {
+        match self.value {
+            Value::Bool(v) => visitor.visit_bool(v),
+            Value::U8(v) => visitor.visit_u8(v),
+            Value::U16(v) => visitor.visit_u16(v),
+            Value::U32(v) => visitor.visit_u32(v),
+            Value::U64(v) => visitor.visit_u64(v),
+            Value::I8(v) => visitor.visit_i8(v),
+            Value::I16(v) => visitor.visit_i16(v),
+            Value::I32(v) => visitor.visit_i32(v),
+            Value::I64(v) => visitor.visit_i64(v),
+            Value::F32(v) => visitor.visit_f32(v),
+            Value::F64(v) => visitor.visit_f64(v),
+            Value::Char(v) => visitor.visit_char(v),
+            Value::String(v) => visitor.visit_string(v),
+            Value::Unit => visitor.visit_unit(),
+            Value::Option(None) => visitor.visit_none(),
+            Value::Option(Some(v)) => visitor.visit_some(ValueDeserializer::new(*v)),
+            Value::Newtype(v) => visitor.visit_newtype_struct(ValueDeserializer::new(*v)),
+            Value::Seq(v) => {
+                visitor.visit_seq(de::value::SeqDeserializer::new(v.into_iter().map(ValueDeserializer::new)))
+            },
+            Value::Map(v) => {
+                visitor.visit_map(de::value::MapDeserializer::new(v.into_iter().map(|(k, v)| (
+                    ValueDeserializer::new(k),
+                    ValueDeserializer::new(v),
+                ))))
+            },
+            Value::Bytes(v) => visitor.visit_byte_buf(v),
+        }
+    }
+
+    fn deserialize_option<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value, Self::Error> {
+        match self.value {
+            Value::Option(..) => self.deserialize_any(visitor),
+            Value::Unit => visitor.visit_unit(),
+            _ => visitor.visit_some(self)
+        }
+    }
+
+    fn deserialize_enum<V: de::Visitor<'de>>(self,
+                                             _name: &'static str,
+                                             _variants: &'static [&'static str],
+                                             visitor: V)
+                                             -> Result<V::Value, Self::Error> {
+        let (variant, value) = match self.value {
+            Value::Map(value) => {
+                let mut iter = value.into_iter();
+                let (variant, value) = match iter.next() {
+                    Some(v) => v,
+                    None => {
+                        return Err(de::Error::invalid_value(de::Unexpected::Map,
+                                                            &"map with a single key"));
+                    }
+                };
+                // enums are encoded as maps with a single key:value pair
+                if iter.next().is_some() {
+                    return Err(de::Error::invalid_value(de::Unexpected::Map,
+                                                        &"map with a single key"));
+                }
+                (variant, Some(value))
+            }
+            Value::String(variant) => (Value::String(variant), None),
+            other => {
+                return Err(de::Error::invalid_type(other.unexpected(), &"string or map"));
+            }
+        };
+
+        let d = EnumDeserializer {
+            variant: variant,
+            value: value,
+            error: Default::default(),
+        };
+        visitor.visit_enum(d)
+    }
+
+    fn deserialize_newtype_struct<V: de::Visitor<'de>>(self,
+                                                       _name: &'static str,
+                                                       visitor: V)
+                                                       -> Result<V::Value, Self::Error> {
+        match self.value {
+            Value::Newtype(v) => visitor.visit_newtype_struct(ValueDeserializer::new(*v)),
+            _ => visitor.visit_newtype_struct(self),
+        }
+    }
+
+    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
+    }
+}
+
+impl<'de, E> de::IntoDeserializer<'de, E> for ValueDeserializer<E> where E: de::Error {
+    type Deserializer = Self;
+
+    fn into_deserializer(self) -> Self::Deserializer {
+        self
+    }
+}
+
+impl<'de> de::Deserializer<'de> for Value {
+    type Error = DeserializerError;
+
+    fn deserialize_any<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value, Self::Error> {
+        ValueDeserializer::new(self).deserialize_any(visitor)
+    }
+
+    fn deserialize_option<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value, Self::Error> {
+        ValueDeserializer::new(self).deserialize_option(visitor)
+    }
+
+    fn deserialize_enum<V: de::Visitor<'de>>(self,
+                                             name: &'static str,
+                                             variants: &'static [&'static str],
+                                             visitor: V)
+                                             -> Result<V::Value, Self::Error> {
+        ValueDeserializer::new(self).deserialize_enum(name, variants, visitor)
+    }
+
+    fn deserialize_newtype_struct<V: de::Visitor<'de>>(self,
+                                                       name: &'static str,
+                                                       visitor: V)
+                                                       -> Result<V::Value, Self::Error> {
+        ValueDeserializer::new(self).deserialize_newtype_struct(name, visitor)
+    }
+
+    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 EnumDeserializer<E> {
+    variant: Value,
+    value: Option<Value>,
+    error: PhantomData<fn() -> E>,
+}
+
+impl<'de, E> de::EnumAccess<'de> for EnumDeserializer<E> where E: de::Error {
+    type Error = E;
+    type Variant = VariantDeserializer<Self::Error>;
+
+    fn variant_seed<V>(self, seed: V) -> Result<(V::Value, VariantDeserializer<Self::Error>), Self::Error>
+        where V: de::DeserializeSeed<'de>
+    {
+        let visitor = VariantDeserializer {
+            value: self.value,
+            error: Default::default(),
+        };
+        seed.deserialize(ValueDeserializer::new(self.variant)).map(|v| (v, visitor))
+    }
+}
+
+struct VariantDeserializer<E> {
+    value: Option<Value>,
+    error: PhantomData<fn() -> E>,
+}
+
+impl<'de, E> de::VariantAccess<'de> for VariantDeserializer<E> where E: de::Error {
+    type Error = E;
+
+    fn unit_variant(self) -> Result<(), Self::Error> {
+        match self.value {
+            Some(value) => de::Deserialize::deserialize(ValueDeserializer::new(value)),
+            None => Ok(()),
+        }
+    }
+
+    fn newtype_variant_seed<T>(self, seed: T) -> Result<T::Value, Self::Error>
+        where T: de::DeserializeSeed<'de>
+    {
+        match self.value {
+            Some(value) => seed.deserialize(ValueDeserializer::new(value)),
+            None => Err(de::Error::invalid_type(de::Unexpected::UnitVariant, &"newtype variant")),
+        }
+    }
+
+    fn tuple_variant<V>(self, _len: usize, visitor: V) -> Result<V::Value, Self::Error>
+        where V: de::Visitor<'de>
+    {
+        match self.value {
+            Some(Value::Seq(v)) => {
+                de::Deserializer::deserialize_any(
+                    de::value::SeqDeserializer::new(v.into_iter().map(ValueDeserializer::new)),
+                    visitor)
+            }
+            Some(other) => Err(de::Error::invalid_type(other.unexpected(), &"tuple variant")),
+            None => Err(de::Error::invalid_type(de::Unexpected::UnitVariant, &"tuple variant")),
+        }
+    }
+
+    fn struct_variant<V>(self,
+                       _fields: &'static [&'static str],
+                       visitor: V)
+                       -> Result<V::Value, Self::Error>
+        where V: de::Visitor<'de>
+    {
+        match self.value {
+            Some(Value::Map(v)) => {
+                de::Deserializer::deserialize_any(
+                    de::value::MapDeserializer::new(v.into_iter().map(|(k, v)| (
+                        ValueDeserializer::new(k),
+                        ValueDeserializer::new(v),
+                    ))),
+                    visitor)
+            }
+            Some(other) => Err(de::Error::invalid_type(other.unexpected(), &"struct variant")),
+            None => Err(de::Error::invalid_type(de::Unexpected::UnitVariant, &"struct variant")),
+        }
+    }
+}