121 lines
4.0 KiB
Rust
121 lines
4.0 KiB
Rust
//! Implementations of [`serde::Serialize`].
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use crate::types::dynamic::Union;
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use crate::{Dynamic, ImmutableString, Scope};
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use serde::{ser::SerializeSeq, Serialize, Serializer};
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#[cfg(feature = "no_std")]
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use std::prelude::v1::*;
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#[cfg(not(feature = "no_object"))]
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use serde::ser::SerializeMap;
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#[cfg(not(feature = "no_time"))]
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use crate::types::dynamic::Variant;
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impl Serialize for Dynamic {
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fn serialize<S: Serializer>(&self, ser: S) -> Result<S::Ok, S::Error> {
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match self.0 {
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Union::Null => unreachable!(),
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Union::Unit(..) => ser.serialize_unit(),
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Union::Bool(x, ..) => ser.serialize_bool(x),
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Union::Str(ref s, ..) => ser.serialize_str(s.as_str()),
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Union::Char(c, ..) => ser.serialize_char(c),
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#[cfg(not(feature = "only_i32"))]
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Union::Int(x, ..) => ser.serialize_i64(x),
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#[cfg(feature = "only_i32")]
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Union::Int(x, ..) => ser.serialize_i32(x),
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#[cfg(not(feature = "no_float"))]
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#[cfg(not(feature = "f32_float"))]
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Union::Float(x, ..) => ser.serialize_f64(*x),
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#[cfg(not(feature = "no_float"))]
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#[cfg(feature = "f32_float")]
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Union::Float(x, ..) => ser.serialize_f32(*x),
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#[cfg(feature = "decimal")]
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#[cfg(not(feature = "f32_float"))]
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Union::Decimal(ref x, ..) => {
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use rust_decimal::prelude::ToPrimitive;
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match x.to_f64() {
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Some(v) => ser.serialize_f64(v),
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None => ser.serialize_str(&x.to_string()),
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}
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}
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#[cfg(feature = "decimal")]
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#[cfg(feature = "f32_float")]
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Union::Decimal(ref x, ..) => {
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use rust_decimal::prelude::ToPrimitive;
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match x.to_f32() {
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Some(v) => ser.serialize_f32(v),
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_ => ser.serialize_str(&x.to_string()),
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}
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}
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#[cfg(not(feature = "no_index"))]
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Union::Array(ref a, ..) => (**a).serialize(ser),
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#[cfg(not(feature = "no_index"))]
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Union::Blob(ref a, ..) => ser.serialize_bytes(a),
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#[cfg(not(feature = "no_object"))]
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Union::Map(ref m, ..) => {
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let mut map = ser.serialize_map(Some(m.len()))?;
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m.iter()
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.try_for_each(|(k, v)| map.serialize_entry(k.as_str(), v))?;
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map.end()
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}
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Union::FnPtr(ref f, ..) => ser.serialize_str(f.fn_name()),
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#[cfg(not(feature = "no_time"))]
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Union::TimeStamp(ref x, ..) => ser.serialize_str(x.as_ref().type_name()),
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Union::Variant(ref v, ..) => ser.serialize_str((***v).type_name()),
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#[cfg(not(feature = "no_closure"))]
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#[cfg(not(feature = "sync"))]
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Union::Shared(ref cell, ..) => cell.borrow().serialize(ser),
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#[cfg(not(feature = "no_closure"))]
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#[cfg(feature = "sync")]
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Union::Shared(ref cell, ..) => cell.read().unwrap().serialize(ser),
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}
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}
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}
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impl Serialize for ImmutableString {
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#[inline(always)]
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fn serialize<S: Serializer>(&self, ser: S) -> Result<S::Ok, S::Error> {
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ser.serialize_str(self.as_str())
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}
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}
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impl Serialize for Scope<'_> {
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#[inline(always)]
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fn serialize<S: Serializer>(&self, ser: S) -> Result<S::Ok, S::Error> {
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#[derive(Debug, Clone, Hash, Serialize)]
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struct ScopeEntry<'a> {
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pub name: &'a str,
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pub value: &'a Dynamic,
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#[serde(default, skip_serializing_if = "is_false")]
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pub is_constant: bool,
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}
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fn is_false(value: &bool) -> bool {
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!value
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}
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let mut ser = ser.serialize_seq(Some(self.len()))?;
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for (name, is_constant, value) in self.iter_raw() {
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let entry = ScopeEntry {
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name,
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value,
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is_constant,
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};
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ser.serialize_element(&entry)?;
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}
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ser.end()
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}
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}
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