Use BorrowedStrDeserializer instead of generated key deserializers
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@ -20,7 +20,6 @@ travis-ci = { repository = "alexcrichton/toml-rs" }
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[dependencies]
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serde = "1.0"
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serde_derive = "1.0"
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[dev-dependencies]
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serde_json = "1.0"
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@ -12,6 +12,7 @@ use std::vec;
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use serde::de;
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use serde::de::IntoDeserializer;
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use serde::de::value::BorrowedStrDeserializer;
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use tokens::{Tokenizer, Token, Error as TokenError, Span};
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use datetime;
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@ -620,11 +621,11 @@ impl<'de> de::MapAccess<'de> for SpannedDeserializer<'de> {
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K: de::DeserializeSeed<'de>,
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{
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if self.start.is_some() {
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seed.deserialize(spanned::START.into_deserializer()).map(Some)
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seed.deserialize(BorrowedStrDeserializer::new(spanned::START)).map(Some)
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} else if self.end.is_some() {
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seed.deserialize(spanned::END.into_deserializer()).map(Some)
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seed.deserialize(BorrowedStrDeserializer::new(spanned::END)).map(Some)
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} else if self.value.is_some() {
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seed.deserialize(spanned::VALUE.into_deserializer()).map(Some)
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seed.deserialize(BorrowedStrDeserializer::new(spanned::VALUE)).map(Some)
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} else {
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Ok(None)
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}
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@ -153,8 +153,6 @@
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#[macro_use]
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extern crate serde;
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#[macro_use]
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extern crate serde_derive;
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pub mod value;
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#[doc(no_inline)]
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@ -32,43 +32,6 @@ pub const END: &'static str = "$__toml_private_end";
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#[doc(hidden)]
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pub const VALUE: &'static str = "$__toml_private_value";
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macro_rules! key_deserialize {
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($ident:ident, $field:expr, $name:expr) => {
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struct $ident;
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impl<'de> de::Deserialize<'de> for $ident {
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fn deserialize<D>(deserializer: D) -> Result<$ident, D::Error>
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where D: de::Deserializer<'de>
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{
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struct FieldVisitor;
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impl<'de> de::Visitor<'de> for FieldVisitor {
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type Value = ();
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fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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formatter.write_str("a valid spanned field")
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}
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fn visit_str<E>(self, s: &str) -> Result<(), E>
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where E: de::Error
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{
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if s == $field {
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Ok(())
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} else {
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Err(de::Error::custom(
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concat!("expected spanned field `", $name, "`")))
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}
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}
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}
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deserializer.deserialize_identifier(FieldVisitor)?;
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Ok($ident)
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}
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}
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}
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}
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/// A spanned value, indicating the range at which it is defined in the source.
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#[derive(Debug)]
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pub struct Spanned<T> {
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@ -100,25 +63,19 @@ impl<'de, T> de::Deserialize<'de> for Spanned<T>
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fn visit_map<V>(self, mut visitor: V) -> Result<Spanned<T>, V::Error>
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where V: de::MapAccess<'de>
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{
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let start = visitor.next_key::<StartKey>()?;
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if start.is_none() {
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if visitor.next_key()? != Some(START) {
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return Err(de::Error::custom("spanned start key not found"))
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}
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let start: usize = visitor.next_value()?;
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let end = visitor.next_key::<EndKey>()?;
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if end.is_none() {
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if visitor.next_key()? != Some(END) {
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return Err(de::Error::custom("spanned end key not found"))
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}
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let end: usize = visitor.next_value()?;
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let value = visitor.next_key::<ValueKey>()?;
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if value.is_none() {
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if visitor.next_key()? != Some(VALUE) {
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return Err(de::Error::custom("spanned value key not found"))
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}
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@ -132,10 +89,6 @@ impl<'de, T> de::Deserialize<'de> for Spanned<T>
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}
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}
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key_deserialize!(StartKey, START, "start");
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key_deserialize!(EndKey, END, "end");
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key_deserialize!(ValueKey, VALUE, "value");
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let visitor = SpannedVisitor(::std::marker::PhantomData);
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static FIELDS: [&'static str; 3] = [START, END, VALUE];
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