518 lines
15 KiB
Rust
518 lines
15 KiB
Rust
|
use crate::any::Dynamic;
|
||
|
use crate::result::EvalAltResult;
|
||
|
use crate::token::Position;
|
||
|
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
use crate::engine::Array;
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
use crate::engine::Map;
|
||
|
|
||
|
use serde::ser::{
|
||
|
Error, SerializeMap, SerializeSeq, SerializeStruct, SerializeStructVariant, SerializeTuple,
|
||
|
SerializeTupleStruct, SerializeTupleVariant, Serializer,
|
||
|
};
|
||
|
use serde::Serialize;
|
||
|
|
||
|
use crate::stdlib::{any::type_name, fmt, mem};
|
||
|
|
||
|
pub struct DynamicSerializer {
|
||
|
key: Dynamic,
|
||
|
value: Dynamic,
|
||
|
}
|
||
|
|
||
|
impl DynamicSerializer {
|
||
|
pub fn new(value: Dynamic) -> Self {
|
||
|
Self {
|
||
|
key: Default::default(),
|
||
|
value,
|
||
|
}
|
||
|
}
|
||
|
pub fn type_error<R, T>(&self) -> Result<T, Box<EvalAltResult>> {
|
||
|
self.type_error_str(type_name::<R>())
|
||
|
}
|
||
|
pub fn type_error_str<T>(&self, name: &str) -> Result<T, Box<EvalAltResult>> {
|
||
|
Err(Box::new(EvalAltResult::ErrorMismatchOutputType(
|
||
|
name.into(),
|
||
|
self.value.type_name().into(),
|
||
|
Position::none(),
|
||
|
)))
|
||
|
}
|
||
|
}
|
||
|
|
||
|
pub fn to_dynamic<T: Serialize>(value: T) -> Result<Dynamic, Box<EvalAltResult>> {
|
||
|
let mut s = DynamicSerializer::new(Default::default());
|
||
|
value.serialize(&mut s)
|
||
|
}
|
||
|
|
||
|
impl Error for Box<EvalAltResult> {
|
||
|
fn custom<T: fmt::Display>(err: T) -> Self {
|
||
|
Box::new(EvalAltResult::ErrorRuntime(
|
||
|
err.to_string(),
|
||
|
Position::none(),
|
||
|
))
|
||
|
}
|
||
|
}
|
||
|
|
||
|
impl Serializer for &mut DynamicSerializer {
|
||
|
type Ok = Dynamic;
|
||
|
type Error = Box<EvalAltResult>;
|
||
|
type SerializeSeq = DynamicSerializer;
|
||
|
type SerializeTuple = DynamicSerializer;
|
||
|
type SerializeTupleStruct = DynamicSerializer;
|
||
|
type SerializeTupleVariant = DynamicSerializer;
|
||
|
type SerializeMap = DynamicSerializer;
|
||
|
type SerializeStruct = DynamicSerializer;
|
||
|
type SerializeStructVariant = DynamicSerializer;
|
||
|
|
||
|
fn serialize_bool(self, v: bool) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
Ok(v.into())
|
||
|
}
|
||
|
|
||
|
fn serialize_i8(self, v: i8) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "only_i32"))]
|
||
|
return self.serialize_i64(i64::from(v));
|
||
|
#[cfg(feature = "only_i32")]
|
||
|
return self.serialize_i32(i32::from(v));
|
||
|
}
|
||
|
|
||
|
fn serialize_i16(self, v: i16) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "only_i32"))]
|
||
|
return self.serialize_i64(i64::from(v));
|
||
|
#[cfg(feature = "only_i32")]
|
||
|
return self.serialize_i32(i32::from(v));
|
||
|
}
|
||
|
|
||
|
fn serialize_i32(self, v: i32) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "only_i32"))]
|
||
|
return self.serialize_i64(i64::from(v));
|
||
|
#[cfg(feature = "only_i32")]
|
||
|
return Ok(v.into());
|
||
|
}
|
||
|
|
||
|
fn serialize_i64(self, v: i64) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "only_i32"))]
|
||
|
return Ok(v.into());
|
||
|
#[cfg(feature = "only_i32")]
|
||
|
if v > i32::MAX as i64 {
|
||
|
return Ok(Dynamic::from(v));
|
||
|
} else {
|
||
|
return self.serialize_i32(v as i32);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn serialize_u8(self, v: u8) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "only_i32"))]
|
||
|
return self.serialize_i64(i64::from(v));
|
||
|
#[cfg(feature = "only_i32")]
|
||
|
return self.serialize_i32(i32::from(v));
|
||
|
}
|
||
|
|
||
|
fn serialize_u16(self, v: u16) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "only_i32"))]
|
||
|
return self.serialize_i64(i64::from(v));
|
||
|
#[cfg(feature = "only_i32")]
|
||
|
return self.serialize_i32(i32::from(v));
|
||
|
}
|
||
|
|
||
|
fn serialize_u32(self, v: u32) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "only_i32"))]
|
||
|
return self.serialize_i64(i64::from(v));
|
||
|
#[cfg(feature = "only_i32")]
|
||
|
if v > i32::MAX as u64 {
|
||
|
return Ok(Dynamic::from(v));
|
||
|
} else {
|
||
|
return self.serialize_i32(v as i32);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn serialize_u64(self, v: u64) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "only_i32"))]
|
||
|
if v > i64::MAX as u64 {
|
||
|
return Ok(Dynamic::from(v));
|
||
|
} else {
|
||
|
return self.serialize_i64(v as i64);
|
||
|
}
|
||
|
#[cfg(feature = "only_i32")]
|
||
|
if v > i32::MAX as u64 {
|
||
|
return Ok(Dynamic::from(v));
|
||
|
} else {
|
||
|
return self.serialize_i32(v as i32);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn serialize_f32(self, v: f32) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_float"))]
|
||
|
return Ok(Dynamic::from(v));
|
||
|
#[cfg(feature = "no_float")]
|
||
|
return self.type_error_str("f32");
|
||
|
}
|
||
|
|
||
|
fn serialize_f64(self, v: f64) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_float"))]
|
||
|
return Ok(v.into());
|
||
|
#[cfg(feature = "no_float")]
|
||
|
return self.type_error_str("f64");
|
||
|
}
|
||
|
|
||
|
fn serialize_char(self, v: char) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
Ok(v.into())
|
||
|
}
|
||
|
|
||
|
fn serialize_str(self, v: &str) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
Ok(v.to_string().into())
|
||
|
}
|
||
|
|
||
|
fn serialize_bytes(self, _: &[u8]) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
self.type_error_str("bytes array")
|
||
|
}
|
||
|
|
||
|
fn serialize_none(self) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
Ok(().into())
|
||
|
}
|
||
|
|
||
|
fn serialize_some<T: ?Sized + Serialize>(
|
||
|
self,
|
||
|
value: &T,
|
||
|
) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
value.serialize(&mut *self)
|
||
|
}
|
||
|
|
||
|
fn serialize_unit(self) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
Ok(().into())
|
||
|
}
|
||
|
|
||
|
fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
self.serialize_unit()
|
||
|
}
|
||
|
|
||
|
fn serialize_unit_variant(
|
||
|
self,
|
||
|
_name: &'static str,
|
||
|
_variant_index: u32,
|
||
|
variant: &'static str,
|
||
|
) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
self.serialize_str(variant)
|
||
|
}
|
||
|
|
||
|
fn serialize_newtype_struct<T: ?Sized + Serialize>(
|
||
|
self,
|
||
|
_name: &'static str,
|
||
|
value: &T,
|
||
|
) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
value.serialize(&mut *self)
|
||
|
}
|
||
|
|
||
|
fn serialize_newtype_variant<T: ?Sized + Serialize>(
|
||
|
self,
|
||
|
_name: &'static str,
|
||
|
_variant_index: u32,
|
||
|
_variant: &'static str,
|
||
|
value: &T,
|
||
|
) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
value.serialize(&mut *self)
|
||
|
}
|
||
|
|
||
|
fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
return Ok(DynamicSerializer::new(Array::new().into()));
|
||
|
#[cfg(feature = "no_index")]
|
||
|
return self.type_error_str("array");
|
||
|
}
|
||
|
|
||
|
fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, Box<EvalAltResult>> {
|
||
|
self.serialize_seq(Some(len))
|
||
|
}
|
||
|
|
||
|
fn serialize_tuple_struct(
|
||
|
self,
|
||
|
_name: &'static str,
|
||
|
len: usize,
|
||
|
) -> Result<Self::SerializeTupleStruct, Box<EvalAltResult>> {
|
||
|
self.serialize_seq(Some(len))
|
||
|
}
|
||
|
|
||
|
fn serialize_tuple_variant(
|
||
|
self,
|
||
|
_name: &'static str,
|
||
|
_variant_index: u32,
|
||
|
_variant: &'static str,
|
||
|
len: usize,
|
||
|
) -> Result<Self::SerializeTupleVariant, Box<EvalAltResult>> {
|
||
|
self.serialize_seq(Some(len))
|
||
|
}
|
||
|
|
||
|
fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
return Ok(DynamicSerializer::new(Map::new().into()));
|
||
|
#[cfg(feature = "no_object")]
|
||
|
return self.type_error_str("map");
|
||
|
}
|
||
|
|
||
|
fn serialize_struct(
|
||
|
self,
|
||
|
_name: &'static str,
|
||
|
len: usize,
|
||
|
) -> Result<Self::SerializeStruct, Box<EvalAltResult>> {
|
||
|
self.serialize_map(Some(len))
|
||
|
}
|
||
|
|
||
|
fn serialize_struct_variant(
|
||
|
self,
|
||
|
_name: &'static str,
|
||
|
_variant_index: u32,
|
||
|
_variant: &'static str,
|
||
|
len: usize,
|
||
|
) -> Result<Self::SerializeStructVariant, Box<EvalAltResult>> {
|
||
|
self.serialize_map(Some(len))
|
||
|
}
|
||
|
}
|
||
|
|
||
|
impl SerializeSeq for DynamicSerializer {
|
||
|
type Ok = Dynamic;
|
||
|
type Error = Box<EvalAltResult>;
|
||
|
|
||
|
fn serialize_element<T: ?Sized + Serialize>(
|
||
|
&mut self,
|
||
|
value: &T,
|
||
|
) -> Result<(), Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
{
|
||
|
let value = value.serialize(&mut *self)?;
|
||
|
if let Some(arr) = self.value.downcast_mut::<Array>() {
|
||
|
arr.push(value);
|
||
|
Ok(())
|
||
|
} else {
|
||
|
self.type_error::<Array, _>()
|
||
|
}
|
||
|
}
|
||
|
#[cfg(feature = "no_index")]
|
||
|
self.type_error_str("array")
|
||
|
}
|
||
|
|
||
|
// Close the sequence.
|
||
|
fn end(self) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
return Ok(self.value);
|
||
|
#[cfg(feature = "no_index")]
|
||
|
return self.type_error_str("array");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
impl SerializeTuple for DynamicSerializer {
|
||
|
type Ok = Dynamic;
|
||
|
type Error = Box<EvalAltResult>;
|
||
|
|
||
|
fn serialize_element<T: ?Sized + Serialize>(
|
||
|
&mut self,
|
||
|
value: &T,
|
||
|
) -> Result<(), Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
{
|
||
|
let value = value.serialize(&mut *self)?;
|
||
|
if let Some(arr) = self.value.downcast_mut::<Array>() {
|
||
|
arr.push(value);
|
||
|
Ok(())
|
||
|
} else {
|
||
|
self.type_error::<Array, _>()
|
||
|
}
|
||
|
}
|
||
|
#[cfg(feature = "no_index")]
|
||
|
self.type_error_str("array")
|
||
|
}
|
||
|
|
||
|
fn end(self) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
return Ok(self.value);
|
||
|
#[cfg(feature = "no_index")]
|
||
|
return self.type_error_str("array");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
impl SerializeTupleStruct for DynamicSerializer {
|
||
|
type Ok = Dynamic;
|
||
|
type Error = Box<EvalAltResult>;
|
||
|
|
||
|
fn serialize_field<T: ?Sized + Serialize>(
|
||
|
&mut self,
|
||
|
value: &T,
|
||
|
) -> Result<(), Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
{
|
||
|
let value = value.serialize(&mut *self)?;
|
||
|
if let Some(arr) = self.value.downcast_mut::<Array>() {
|
||
|
arr.push(value);
|
||
|
Ok(())
|
||
|
} else {
|
||
|
self.type_error::<Array, _>()
|
||
|
}
|
||
|
}
|
||
|
#[cfg(feature = "no_index")]
|
||
|
self.type_error_str("array")
|
||
|
}
|
||
|
|
||
|
fn end(self) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
return Ok(self.value);
|
||
|
#[cfg(feature = "no_index")]
|
||
|
return self.type_error_str("array");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
impl SerializeTupleVariant for DynamicSerializer {
|
||
|
type Ok = Dynamic;
|
||
|
type Error = Box<EvalAltResult>;
|
||
|
|
||
|
fn serialize_field<T: ?Sized + Serialize>(
|
||
|
&mut self,
|
||
|
value: &T,
|
||
|
) -> Result<(), Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
{
|
||
|
let value = value.serialize(&mut *self)?;
|
||
|
if let Some(arr) = self.value.downcast_mut::<Array>() {
|
||
|
arr.push(value);
|
||
|
Ok(())
|
||
|
} else {
|
||
|
self.type_error::<Array, _>()
|
||
|
}
|
||
|
}
|
||
|
#[cfg(feature = "no_index")]
|
||
|
self.type_error_str("array")
|
||
|
}
|
||
|
|
||
|
fn end(self) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_index"))]
|
||
|
return Ok(self.value);
|
||
|
#[cfg(feature = "no_index")]
|
||
|
return self.type_error_str("array");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
impl SerializeMap for DynamicSerializer {
|
||
|
type Ok = Dynamic;
|
||
|
type Error = Box<EvalAltResult>;
|
||
|
|
||
|
fn serialize_key<T: ?Sized + Serialize>(&mut self, key: &T) -> Result<(), Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
{
|
||
|
self.key = key.serialize(&mut *self)?;
|
||
|
Ok(())
|
||
|
}
|
||
|
#[cfg(feature = "no_object")]
|
||
|
self.type_error_str("map")
|
||
|
}
|
||
|
|
||
|
fn serialize_value<T: ?Sized + Serialize>(
|
||
|
&mut self,
|
||
|
value: &T,
|
||
|
) -> Result<(), Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
{
|
||
|
let key = mem::take(&mut self.key)
|
||
|
.take_immutable_string()
|
||
|
.or_else(|_| self.type_error::<String, _>())?;
|
||
|
let value = value.serialize(&mut *self)?;
|
||
|
if let Some(map) = self.value.downcast_mut::<Map>() {
|
||
|
map.insert(key, value);
|
||
|
Ok(())
|
||
|
} else {
|
||
|
self.type_error::<Map, _>()
|
||
|
}
|
||
|
}
|
||
|
#[cfg(feature = "no_object")]
|
||
|
self.type_error_str("map")
|
||
|
}
|
||
|
|
||
|
fn serialize_entry<K: ?Sized + Serialize, T: ?Sized + Serialize>(
|
||
|
&mut self,
|
||
|
key: &K,
|
||
|
value: &T,
|
||
|
) -> Result<(), Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
{
|
||
|
let key: Dynamic = key.serialize(&mut *self)?;
|
||
|
let key = key
|
||
|
.take_immutable_string()
|
||
|
.or_else(|_| self.type_error::<String, _>())?;
|
||
|
let value = value.serialize(&mut *self)?;
|
||
|
if let Some(map) = self.value.downcast_mut::<Map>() {
|
||
|
map.insert(key, value);
|
||
|
Ok(())
|
||
|
} else {
|
||
|
self.type_error::<Map, _>()
|
||
|
}
|
||
|
}
|
||
|
#[cfg(feature = "no_object")]
|
||
|
self.type_error_str("map")
|
||
|
}
|
||
|
|
||
|
fn end(self) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
return Ok(self.value);
|
||
|
#[cfg(feature = "no_object")]
|
||
|
return self.type_error_str("map");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
impl SerializeStruct for DynamicSerializer {
|
||
|
type Ok = Dynamic;
|
||
|
type Error = Box<EvalAltResult>;
|
||
|
|
||
|
fn serialize_field<T: ?Sized + Serialize>(
|
||
|
&mut self,
|
||
|
key: &'static str,
|
||
|
value: &T,
|
||
|
) -> Result<(), Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
{
|
||
|
let value = value.serialize(&mut *self)?;
|
||
|
if let Some(map) = self.value.downcast_mut::<Map>() {
|
||
|
map.insert(key.into(), value);
|
||
|
Ok(())
|
||
|
} else {
|
||
|
self.type_error::<Map, _>()
|
||
|
}
|
||
|
}
|
||
|
#[cfg(feature = "no_object")]
|
||
|
self.type_error_str("map")
|
||
|
}
|
||
|
|
||
|
fn end(self) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
return Ok(self.value);
|
||
|
#[cfg(feature = "no_object")]
|
||
|
return self.type_error_str("map");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
impl SerializeStructVariant for DynamicSerializer {
|
||
|
type Ok = Dynamic;
|
||
|
type Error = Box<EvalAltResult>;
|
||
|
|
||
|
fn serialize_field<T: ?Sized + Serialize>(
|
||
|
&mut self,
|
||
|
key: &'static str,
|
||
|
value: &T,
|
||
|
) -> Result<(), Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
{
|
||
|
let value = value.serialize(&mut *self)?;
|
||
|
if let Some(map) = self.value.downcast_mut::<Map>() {
|
||
|
map.insert(key.into(), value);
|
||
|
Ok(())
|
||
|
} else {
|
||
|
self.type_error::<Map, _>()
|
||
|
}
|
||
|
}
|
||
|
#[cfg(feature = "no_object")]
|
||
|
self.type_error_str("map")
|
||
|
}
|
||
|
|
||
|
fn end(self) -> Result<Self::Ok, Box<EvalAltResult>> {
|
||
|
#[cfg(not(feature = "no_object"))]
|
||
|
return Ok(self.value);
|
||
|
#[cfg(feature = "no_object")]
|
||
|
return self.type_error_str("map");
|
||
|
}
|
||
|
}
|