| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/toml-0.5.11/src/ser.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>ser.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../toml/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../toml/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="doccomment">//! Serializing Rust structures into TOML. |
| //! |
| //! This module contains all the Serde support for serializing Rust structures |
| //! into TOML documents (as strings). Note that some top-level functions here |
| //! are also provided at the top of the crate. |
| //! |
| //! Note that the TOML format has a restriction that if a table itself contains |
| //! tables, all keys with non-table values must be emitted first. This is |
| //! typically easy to ensure happens when you're defining a `struct` as you can |
| //! reorder the fields manually, but when working with maps (such as `BTreeMap` |
| //! or `HashMap`) this can lead to serialization errors. In those situations you |
| //! may use the `tables_last` function in this module like so: |
| //! |
| //! ```rust |
| //! # use serde_derive::Serialize; |
| //! # use std::collections::HashMap; |
| //! #[derive(Serialize)] |
| //! struct Manifest { |
| //! package: Package, |
| //! #[serde(serialize_with = "toml::ser::tables_last")] |
| //! dependencies: HashMap<String, Dependency>, |
| //! } |
| //! # type Package = String; |
| //! # type Dependency = String; |
| //! # fn main() {} |
| //! ``` |
| |
| </span><span class="kw">use </span>std::cell::Cell; |
| <span class="kw">use </span>std::error; |
| <span class="kw">use </span>std::fmt::{<span class="self">self</span>, Write}; |
| <span class="kw">use </span>std::marker; |
| <span class="kw">use </span>std::rc::Rc; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::datetime; |
| <span class="kw">use </span>serde::ser; |
| |
| <span class="doccomment">/// Serialize the given data structure as a TOML byte vector. |
| /// |
| /// Serialization can fail if `T`'s implementation of `Serialize` decides to |
| /// fail, if `T` contains a map with non-string keys, or if `T` attempts to |
| /// serialize an unsupported datatype such as an enum, tuple, or tuple struct. |
| </span><span class="kw">pub fn </span>to_vec<T: <span class="question-mark">?</span>Sized>(value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><Vec<u8>, Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| to_string(value).map(|e| e.into_bytes()) |
| } |
| |
| <span class="doccomment">/// Serialize the given data structure as a String of TOML. |
| /// |
| /// Serialization can fail if `T`'s implementation of `Serialize` decides to |
| /// fail, if `T` contains a map with non-string keys, or if `T` attempts to |
| /// serialize an unsupported datatype such as an enum, tuple, or tuple struct. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use serde_derive::Serialize; |
| /// |
| /// #[derive(Serialize)] |
| /// struct Config { |
| /// database: Database, |
| /// } |
| /// |
| /// #[derive(Serialize)] |
| /// struct Database { |
| /// ip: String, |
| /// port: Vec<u16>, |
| /// connection_max: u32, |
| /// enabled: bool, |
| /// } |
| /// |
| /// let config = Config { |
| /// database: Database { |
| /// ip: "192.168.1.1".to_string(), |
| /// port: vec![8001, 8002, 8003], |
| /// connection_max: 5000, |
| /// enabled: false, |
| /// }, |
| /// }; |
| /// |
| /// let toml = toml::to_string(&config).unwrap(); |
| /// println!("{}", toml) |
| /// ``` |
| </span><span class="kw">pub fn </span>to_string<T: <span class="question-mark">?</span>Sized>(value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><String, Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>dst = String::with_capacity(<span class="number">128</span>); |
| value.serialize(<span class="kw-2">&mut </span>Serializer::new(<span class="kw-2">&mut </span>dst))<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(dst) |
| } |
| |
| <span class="doccomment">/// Serialize the given data structure as a "pretty" String of TOML. |
| /// |
| /// This is identical to `to_string` except the output string has a more |
| /// "pretty" output. See `Serializer::pretty` for more details. |
| </span><span class="kw">pub fn </span>to_string_pretty<T: <span class="question-mark">?</span>Sized>(value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><String, Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>dst = String::with_capacity(<span class="number">128</span>); |
| value.serialize(<span class="kw-2">&mut </span>Serializer::pretty(<span class="kw-2">&mut </span>dst))<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(dst) |
| } |
| |
| <span class="doccomment">/// Errors that can occur when serializing a type. |
| </span><span class="attribute">#[derive(Debug, PartialEq, Eq, Clone)] |
| #[non_exhaustive] |
| </span><span class="kw">pub enum </span>Error { |
| <span class="doccomment">/// Indicates that a Rust type was requested to be serialized but it was not |
| /// supported. |
| /// |
| /// Currently the TOML format does not support serializing types such as |
| /// enums, tuples and tuple structs. |
| </span>UnsupportedType, |
| |
| <span class="doccomment">/// The key of all TOML maps must be strings, but serialization was |
| /// attempted where the key of a map was not a string. |
| </span>KeyNotString, |
| |
| <span class="doccomment">/// An error that we never omit but keep for backwards compatibility |
| </span><span class="attribute">#[doc(hidden)] |
| </span>KeyNewline, |
| |
| <span class="doccomment">/// An array had to be homogeneous, but now it is allowed to be heterogeneous. |
| </span><span class="attribute">#[doc(hidden)] |
| </span>ArrayMixedType, |
| |
| <span class="doccomment">/// All values in a TOML table must be emitted before further tables are |
| /// emitted. If a value is emitted *after* a table then this error is |
| /// generated. |
| </span>ValueAfterTable, |
| |
| <span class="doccomment">/// A serialized date was invalid. |
| </span>DateInvalid, |
| |
| <span class="doccomment">/// A serialized number was invalid. |
| </span>NumberInvalid, |
| |
| <span class="doccomment">/// None was attempted to be serialized, but it's not supported. |
| </span>UnsupportedNone, |
| |
| <span class="doccomment">/// A custom error which could be generated when serializing a particular |
| /// type. |
| </span>Custom(String), |
| } |
| |
| <span class="attribute">#[derive(Debug, Default, Clone)] |
| </span><span class="doccomment">/// Internal place for holding array settings |
| </span><span class="kw">struct </span>ArraySettings { |
| indent: usize, |
| trailing_comma: bool, |
| } |
| |
| <span class="kw">impl </span>ArraySettings { |
| <span class="kw">fn </span>pretty() -> ArraySettings { |
| ArraySettings { |
| indent: <span class="number">4</span>, |
| trailing_comma: <span class="bool-val">true</span>, |
| } |
| } |
| } |
| |
| <span class="attribute">#[derive(Debug, Default, Clone)] |
| </span><span class="doccomment">/// String settings |
| </span><span class="kw">struct </span>StringSettings { |
| <span class="doccomment">/// Whether to use literal strings when possible |
| </span>literal: bool, |
| } |
| |
| <span class="kw">impl </span>StringSettings { |
| <span class="kw">fn </span>pretty() -> StringSettings { |
| StringSettings { literal: <span class="bool-val">true </span>} |
| } |
| } |
| |
| <span class="attribute">#[derive(Debug, Default, Clone)] |
| </span><span class="doccomment">/// Internal struct for holding serialization settings |
| </span><span class="kw">struct </span>Settings { |
| array: <span class="prelude-ty">Option</span><ArraySettings>, |
| string: <span class="prelude-ty">Option</span><StringSettings>, |
| } |
| |
| <span class="doccomment">/// Serialization implementation for TOML. |
| /// |
| /// This structure implements serialization support for TOML to serialize an |
| /// arbitrary type to TOML. Note that the TOML format does not support all |
| /// datatypes in Rust, such as enums, tuples, and tuple structs. These types |
| /// will generate an error when serialized. |
| /// |
| /// Currently a serializer always writes its output to an in-memory `String`, |
| /// which is passed in when creating the serializer itself. |
| </span><span class="kw">pub struct </span>Serializer<<span class="lifetime">'a</span>> { |
| dst: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>String, |
| state: State<<span class="lifetime">'a</span>>, |
| settings: Rc<Settings>, |
| } |
| |
| <span class="attribute">#[derive(Debug, Copy, Clone)] |
| </span><span class="kw">enum </span>ArrayState { |
| Started, |
| StartedAsATable, |
| } |
| |
| <span class="attribute">#[derive(Debug, Clone)] |
| </span><span class="kw">enum </span>State<<span class="lifetime">'a</span>> { |
| Table { |
| key: <span class="kw-2">&</span><span class="lifetime">'a </span>str, |
| parent: <span class="kw-2">&</span><span class="lifetime">'a </span>State<<span class="lifetime">'a</span>>, |
| first: <span class="kw-2">&</span><span class="lifetime">'a </span>Cell<bool>, |
| table_emitted: <span class="kw-2">&</span><span class="lifetime">'a </span>Cell<bool>, |
| }, |
| Array { |
| parent: <span class="kw-2">&</span><span class="lifetime">'a </span>State<<span class="lifetime">'a</span>>, |
| first: <span class="kw-2">&</span><span class="lifetime">'a </span>Cell<bool>, |
| type_: <span class="kw-2">&</span><span class="lifetime">'a </span>Cell<<span class="prelude-ty">Option</span><ArrayState>>, |
| len: <span class="prelude-ty">Option</span><usize>, |
| }, |
| End, |
| } |
| |
| <span class="attribute">#[doc(hidden)] |
| </span><span class="kw">pub struct </span>SerializeSeq<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| ser: <span class="kw-2">&</span><span class="lifetime">'b </span><span class="kw-2">mut </span>Serializer<<span class="lifetime">'a</span>>, |
| first: Cell<bool>, |
| type_: Cell<<span class="prelude-ty">Option</span><ArrayState>>, |
| len: <span class="prelude-ty">Option</span><usize>, |
| } |
| |
| <span class="attribute">#[doc(hidden)] |
| </span><span class="kw">pub enum </span>SerializeTable<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| Datetime(<span class="kw-2">&</span><span class="lifetime">'b </span><span class="kw-2">mut </span>Serializer<<span class="lifetime">'a</span>>), |
| Table { |
| ser: <span class="kw-2">&</span><span class="lifetime">'b </span><span class="kw-2">mut </span>Serializer<<span class="lifetime">'a</span>>, |
| key: String, |
| first: Cell<bool>, |
| table_emitted: Cell<bool>, |
| }, |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> Serializer<<span class="lifetime">'a</span>> { |
| <span class="doccomment">/// Creates a new serializer which will emit TOML into the buffer provided. |
| /// |
| /// The serializer can then be used to serialize a type after which the data |
| /// will be present in `dst`. |
| </span><span class="kw">pub fn </span>new(dst: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>String) -> Serializer<<span class="lifetime">'a</span>> { |
| Serializer { |
| dst, |
| state: State::End, |
| settings: Rc::new(Settings::default()), |
| } |
| } |
| |
| <span class="doccomment">/// Instantiate a "pretty" formatter |
| /// |
| /// By default this will use: |
| /// |
| /// - pretty strings: strings with newlines will use the `'''` syntax. See |
| /// `Serializer::pretty_string` |
| /// - pretty arrays: each item in arrays will be on a newline, have an indentation of 4 and |
| /// have a trailing comma. See `Serializer::pretty_array` |
| </span><span class="kw">pub fn </span>pretty(dst: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>String) -> Serializer<<span class="lifetime">'a</span>> { |
| Serializer { |
| dst, |
| state: State::End, |
| settings: Rc::new(Settings { |
| array: <span class="prelude-val">Some</span>(ArraySettings::pretty()), |
| string: <span class="prelude-val">Some</span>(StringSettings::pretty()), |
| }), |
| } |
| } |
| |
| <span class="doccomment">/// Enable or Disable pretty strings |
| /// |
| /// If enabled, literal strings will be used when possible and strings with |
| /// one or more newlines will use triple quotes (i.e.: `'''` or `"""`) |
| /// |
| /// # Examples |
| /// |
| /// Instead of: |
| /// |
| /// ```toml,ignore |
| /// single = "no newlines" |
| /// text = "\nfoo\nbar\n" |
| /// ``` |
| /// |
| /// You will have: |
| /// |
| /// ```toml,ignore |
| /// single = 'no newlines' |
| /// text = ''' |
| /// foo |
| /// bar |
| /// ''' |
| /// ``` |
| </span><span class="kw">pub fn </span>pretty_string(<span class="kw-2">&mut </span><span class="self">self</span>, value: bool) -> <span class="kw-2">&mut </span><span class="self">Self </span>{ |
| Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.settings).unwrap().string = <span class="kw">if </span>value { |
| <span class="prelude-val">Some</span>(StringSettings::pretty()) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">None |
| </span>}; |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Enable or Disable Literal strings for pretty strings |
| /// |
| /// If enabled, literal strings will be used when possible and strings with |
| /// one or more newlines will use triple quotes (i.e.: `'''` or `"""`) |
| /// |
| /// If disabled, literal strings will NEVER be used and strings with one or |
| /// more newlines will use `"""` |
| /// |
| /// # Examples |
| /// |
| /// Instead of: |
| /// |
| /// ```toml,ignore |
| /// single = "no newlines" |
| /// text = "\nfoo\nbar\n" |
| /// ``` |
| /// |
| /// You will have: |
| /// |
| /// ```toml,ignore |
| /// single = "no newlines" |
| /// text = """ |
| /// foo |
| /// bar |
| /// """ |
| /// ``` |
| </span><span class="kw">pub fn </span>pretty_string_literal(<span class="kw-2">&mut </span><span class="self">self</span>, value: bool) -> <span class="kw-2">&mut </span><span class="self">Self </span>{ |
| <span class="kw">let </span>use_default = <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref mut </span>s) = Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.settings).unwrap().string { |
| s.literal = value; |
| <span class="bool-val">false |
| </span>} <span class="kw">else </span>{ |
| <span class="bool-val">true |
| </span>}; |
| |
| <span class="kw">if </span>use_default { |
| <span class="kw">let </span><span class="kw-2">mut </span>string = StringSettings::pretty(); |
| string.literal = value; |
| Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.settings).unwrap().string = <span class="prelude-val">Some</span>(string); |
| } |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Enable or Disable pretty arrays |
| /// |
| /// If enabled, arrays will always have each item on their own line. |
| /// |
| /// Some specific features can be controlled via other builder methods: |
| /// |
| /// - `Serializer::pretty_array_indent`: set the indent to a value other |
| /// than 4. |
| /// - `Serializer::pretty_array_trailing_comma`: enable/disable the trailing |
| /// comma on the last item. |
| /// |
| /// # Examples |
| /// |
| /// Instead of: |
| /// |
| /// ```toml,ignore |
| /// array = ["foo", "bar"] |
| /// ``` |
| /// |
| /// You will have: |
| /// |
| /// ```toml,ignore |
| /// array = [ |
| /// "foo", |
| /// "bar", |
| /// ] |
| /// ``` |
| </span><span class="kw">pub fn </span>pretty_array(<span class="kw-2">&mut </span><span class="self">self</span>, value: bool) -> <span class="kw-2">&mut </span><span class="self">Self </span>{ |
| Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.settings).unwrap().array = <span class="kw">if </span>value { |
| <span class="prelude-val">Some</span>(ArraySettings::pretty()) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">None |
| </span>}; |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Set the indent for pretty arrays |
| /// |
| /// See `Serializer::pretty_array` for more details. |
| </span><span class="kw">pub fn </span>pretty_array_indent(<span class="kw-2">&mut </span><span class="self">self</span>, value: usize) -> <span class="kw-2">&mut </span><span class="self">Self </span>{ |
| <span class="kw">let </span>use_default = <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref mut </span>a) = Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.settings).unwrap().array { |
| a.indent = value; |
| <span class="bool-val">false |
| </span>} <span class="kw">else </span>{ |
| <span class="bool-val">true |
| </span>}; |
| |
| <span class="kw">if </span>use_default { |
| <span class="kw">let </span><span class="kw-2">mut </span>array = ArraySettings::pretty(); |
| array.indent = value; |
| Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.settings).unwrap().array = <span class="prelude-val">Some</span>(array); |
| } |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Specify whether to use a trailing comma when serializing pretty arrays |
| /// |
| /// See `Serializer::pretty_array` for more details. |
| </span><span class="kw">pub fn </span>pretty_array_trailing_comma(<span class="kw-2">&mut </span><span class="self">self</span>, value: bool) -> <span class="kw-2">&mut </span><span class="self">Self </span>{ |
| <span class="kw">let </span>use_default = <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref mut </span>a) = Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.settings).unwrap().array { |
| a.trailing_comma = value; |
| <span class="bool-val">false |
| </span>} <span class="kw">else </span>{ |
| <span class="bool-val">true |
| </span>}; |
| |
| <span class="kw">if </span>use_default { |
| <span class="kw">let </span><span class="kw-2">mut </span>array = ArraySettings::pretty(); |
| array.trailing_comma = value; |
| Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.settings).unwrap().array = <span class="prelude-val">Some</span>(array); |
| } |
| <span class="self">self |
| </span>} |
| |
| <span class="kw">fn </span>display<T: fmt::Display>(<span class="kw-2">&mut </span><span class="self">self</span>, t: T, type_: ArrayState) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="self">self</span>.emit_key(type_)<span class="question-mark">?</span>; |
| <span class="macro">write!</span>(<span class="self">self</span>.dst, <span class="string">"{}"</span>, t).map_err(ser::Error::custom)<span class="question-mark">?</span>; |
| <span class="kw">if let </span>State::Table { .. } = <span class="self">self</span>.state { |
| <span class="self">self</span>.dst.push(<span class="string">'\n'</span>); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>emit_key(<span class="kw-2">&mut </span><span class="self">self</span>, type_: ArrayState) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="self">self</span>.array_type(type_)<span class="question-mark">?</span>; |
| <span class="kw">let </span>state = <span class="self">self</span>.state.clone(); |
| <span class="self">self</span>._emit_key(<span class="kw-2">&</span>state) |
| } |
| |
| <span class="comment">// recursive implementation of `emit_key` above |
| </span><span class="kw">fn </span>_emit_key(<span class="kw-2">&mut </span><span class="self">self</span>, state: <span class="kw-2">&</span>State<<span class="lifetime">'_</span>>) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">match </span><span class="kw-2">*</span>state { |
| State::End => <span class="prelude-val">Ok</span>(()), |
| State::Array { |
| parent, |
| first, |
| type_, |
| len, |
| } => { |
| <span class="macro">assert!</span>(type_.get().is_some()); |
| <span class="kw">if </span>first.get() { |
| <span class="self">self</span>._emit_key(parent)<span class="question-mark">?</span>; |
| } |
| <span class="self">self</span>.emit_array(first, len) |
| } |
| State::Table { |
| parent, |
| first, |
| table_emitted, |
| key, |
| } => { |
| <span class="kw">if </span>table_emitted.get() { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::ValueAfterTable); |
| } |
| <span class="kw">if </span>first.get() { |
| <span class="self">self</span>.emit_table_header(parent)<span class="question-mark">?</span>; |
| first.set(<span class="bool-val">false</span>); |
| } |
| <span class="self">self</span>.escape_key(key)<span class="question-mark">?</span>; |
| <span class="self">self</span>.dst.push_str(<span class="string">" = "</span>); |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| } |
| |
| <span class="kw">fn </span>emit_array(<span class="kw-2">&mut </span><span class="self">self</span>, first: <span class="kw-2">&</span>Cell<bool>, len: <span class="prelude-ty">Option</span><usize>) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">match </span>(len, <span class="kw-2">&</span><span class="self">self</span>.settings.array) { |
| (<span class="prelude-val">Some</span>(<span class="number">0</span>..=<span class="number">1</span>), <span class="kw">_</span>) | (<span class="kw">_</span>, <span class="kw-2">&</span><span class="prelude-val">None</span>) => { |
| <span class="kw">if </span>first.get() { |
| <span class="self">self</span>.dst.push(<span class="string">'['</span>) |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.dst.push_str(<span class="string">", "</span>) |
| } |
| } |
| (<span class="kw">_</span>, <span class="kw-2">&</span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>a)) => { |
| <span class="kw">if </span>first.get() { |
| <span class="self">self</span>.dst.push_str(<span class="string">"[\n"</span>) |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.dst.push_str(<span class="string">",\n"</span>) |
| } |
| <span class="kw">for _ in </span><span class="number">0</span>..a.indent { |
| <span class="self">self</span>.dst.push(<span class="string">' '</span>); |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>array_type(<span class="kw-2">&mut </span><span class="self">self</span>, type_: ArrayState) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">let </span>prev = <span class="kw">match </span><span class="self">self</span>.state { |
| State::Array { type_, .. } => type_, |
| <span class="kw">_ </span>=> <span class="kw">return </span><span class="prelude-val">Ok</span>(()), |
| }; |
| <span class="kw">if </span>prev.get().is_none() { |
| prev.set(<span class="prelude-val">Some</span>(type_)); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>escape_key(<span class="kw-2">&mut </span><span class="self">self</span>, key: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">let </span>ok = !key.is_empty() |
| && key |
| .chars() |
| .all(|c| <span class="macro">matches!</span>(c,<span class="string">'a'</span>..=<span class="string">'z' </span>| <span class="string">'A'</span>..=<span class="string">'Z' </span>| <span class="string">'0'</span>..=<span class="string">'9' </span>| <span class="string">'-' </span>| <span class="string">'_'</span>)); |
| <span class="kw">if </span>ok { |
| <span class="macro">write!</span>(<span class="self">self</span>.dst, <span class="string">"{}"</span>, key).map_err(ser::Error::custom)<span class="question-mark">?</span>; |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.emit_str(key, <span class="bool-val">true</span>)<span class="question-mark">?</span>; |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>emit_str(<span class="kw-2">&mut </span><span class="self">self</span>, value: <span class="kw-2">&</span>str, is_key: bool) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="attribute">#[derive(PartialEq)] |
| </span><span class="kw">enum </span>Type { |
| NewlineTripple, |
| OnelineTripple, |
| OnelineSingle, |
| } |
| |
| <span class="kw">enum </span>Repr { |
| <span class="doccomment">/// represent as a literal string (using '') |
| </span>Literal(String, Type), |
| <span class="doccomment">/// represent the std way (using "") |
| </span>Std(Type), |
| } |
| |
| <span class="kw">fn </span>do_pretty(value: <span class="kw-2">&</span>str) -> Repr { |
| <span class="comment">// For doing pretty prints we store in a new String |
| // because there are too many cases where pretty cannot |
| // work. We need to determine: |
| // - if we are a "multi-line" pretty (if there are \n) |
| // - if ['''] appears if multi or ['] if single |
| // - if there are any invalid control characters |
| // |
| // Doing it any other way would require multiple passes |
| // to determine if a pretty string works or not. |
| </span><span class="kw">let </span><span class="kw-2">mut </span>out = String::with_capacity(value.len() * <span class="number">2</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>ty = Type::OnelineSingle; |
| <span class="comment">// found consecutive single quotes |
| </span><span class="kw">let </span><span class="kw-2">mut </span>max_found_singles = <span class="number">0</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>found_singles = <span class="number">0</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>can_be_pretty = <span class="bool-val">true</span>; |
| |
| <span class="kw">for </span>ch <span class="kw">in </span>value.chars() { |
| <span class="kw">if </span>can_be_pretty { |
| <span class="kw">if </span>ch == <span class="string">'\'' </span>{ |
| found_singles += <span class="number">1</span>; |
| <span class="kw">if </span>found_singles >= <span class="number">3 </span>{ |
| can_be_pretty = <span class="bool-val">false</span>; |
| } |
| } <span class="kw">else </span>{ |
| <span class="kw">if </span>found_singles > max_found_singles { |
| max_found_singles = found_singles; |
| } |
| found_singles = <span class="number">0 |
| </span>} |
| <span class="kw">match </span>ch { |
| <span class="string">'\t' </span>=> {} |
| <span class="string">'\n' </span>=> ty = Type::NewlineTripple, |
| <span class="comment">// Escape codes are needed if any ascii control |
| // characters are present, including \b \f \r. |
| </span>c <span class="kw">if </span>c <= <span class="string">'\u{1f}' </span>|| c == <span class="string">'\u{7f}' </span>=> can_be_pretty = <span class="bool-val">false</span>, |
| <span class="kw">_ </span>=> {} |
| } |
| out.push(ch); |
| } <span class="kw">else </span>{ |
| <span class="comment">// the string cannot be represented as pretty, |
| // still check if it should be multiline |
| </span><span class="kw">if </span>ch == <span class="string">'\n' </span>{ |
| ty = Type::NewlineTripple; |
| } |
| } |
| } |
| <span class="kw">if </span>can_be_pretty && found_singles > <span class="number">0 </span>&& value.ends_with(<span class="string">'\''</span>) { |
| <span class="comment">// We cannot escape the ending quote so we must use """ |
| </span>can_be_pretty = <span class="bool-val">false</span>; |
| } |
| <span class="kw">if </span>!can_be_pretty { |
| <span class="macro">debug_assert!</span>(ty != Type::OnelineTripple); |
| <span class="kw">return </span>Repr::Std(ty); |
| } |
| <span class="kw">if </span>found_singles > max_found_singles { |
| max_found_singles = found_singles; |
| } |
| <span class="macro">debug_assert!</span>(max_found_singles < <span class="number">3</span>); |
| <span class="kw">if </span>ty == Type::OnelineSingle && max_found_singles >= <span class="number">1 </span>{ |
| <span class="comment">// no newlines, but must use ''' because it has ' in it |
| </span>ty = Type::OnelineTripple; |
| } |
| Repr::Literal(out, ty) |
| } |
| |
| <span class="kw">let </span>repr = <span class="kw">if </span>!is_key && <span class="self">self</span>.settings.string.is_some() { |
| <span class="kw">match </span>(<span class="kw-2">&</span><span class="self">self</span>.settings.string, do_pretty(value)) { |
| (<span class="kw-2">&</span><span class="prelude-val">Some</span>(StringSettings { literal: <span class="bool-val">false</span>, .. }), Repr::Literal(<span class="kw">_</span>, ty)) => { |
| Repr::Std(ty) |
| } |
| (<span class="kw">_</span>, r) => r, |
| } |
| } <span class="kw">else </span>{ |
| Repr::Std(Type::OnelineSingle) |
| }; |
| <span class="kw">match </span>repr { |
| Repr::Literal(literal, ty) => { |
| <span class="comment">// A pretty string |
| </span><span class="kw">match </span>ty { |
| Type::NewlineTripple => <span class="self">self</span>.dst.push_str(<span class="string">"'''\n"</span>), |
| Type::OnelineTripple => <span class="self">self</span>.dst.push_str(<span class="string">"'''"</span>), |
| Type::OnelineSingle => <span class="self">self</span>.dst.push(<span class="string">'\''</span>), |
| } |
| <span class="self">self</span>.dst.push_str(<span class="kw-2">&</span>literal); |
| <span class="kw">match </span>ty { |
| Type::OnelineSingle => <span class="self">self</span>.dst.push(<span class="string">'\''</span>), |
| <span class="kw">_ </span>=> <span class="self">self</span>.dst.push_str(<span class="string">"'''"</span>), |
| } |
| } |
| Repr::Std(ty) => { |
| <span class="kw">match </span>ty { |
| Type::NewlineTripple => <span class="self">self</span>.dst.push_str(<span class="string">"\"\"\"\n"</span>), |
| <span class="comment">// note: OnelineTripple can happen if do_pretty wants to do |
| // '''it's one line''' |
| // but settings.string.literal == false |
| </span>Type::OnelineSingle | Type::OnelineTripple => <span class="self">self</span>.dst.push(<span class="string">'"'</span>), |
| } |
| <span class="kw">for </span>ch <span class="kw">in </span>value.chars() { |
| <span class="kw">match </span>ch { |
| <span class="string">'\u{8}' </span>=> <span class="self">self</span>.dst.push_str(<span class="string">"\\b"</span>), |
| <span class="string">'\u{9}' </span>=> <span class="self">self</span>.dst.push_str(<span class="string">"\\t"</span>), |
| <span class="string">'\u{a}' </span>=> <span class="kw">match </span>ty { |
| Type::NewlineTripple => <span class="self">self</span>.dst.push(<span class="string">'\n'</span>), |
| Type::OnelineSingle => <span class="self">self</span>.dst.push_str(<span class="string">"\\n"</span>), |
| <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), |
| }, |
| <span class="string">'\u{c}' </span>=> <span class="self">self</span>.dst.push_str(<span class="string">"\\f"</span>), |
| <span class="string">'\u{d}' </span>=> <span class="self">self</span>.dst.push_str(<span class="string">"\\r"</span>), |
| <span class="string">'\u{22}' </span>=> <span class="self">self</span>.dst.push_str(<span class="string">"\\\""</span>), |
| <span class="string">'\u{5c}' </span>=> <span class="self">self</span>.dst.push_str(<span class="string">"\\\\"</span>), |
| c <span class="kw">if </span>c <= <span class="string">'\u{1f}' </span>|| c == <span class="string">'\u{7f}' </span>=> { |
| <span class="macro">write!</span>(<span class="self">self</span>.dst, <span class="string">"\\u{:04X}"</span>, ch <span class="kw">as </span>u32).map_err(ser::Error::custom)<span class="question-mark">?</span>; |
| } |
| ch => <span class="self">self</span>.dst.push(ch), |
| } |
| } |
| <span class="kw">match </span>ty { |
| Type::NewlineTripple => <span class="self">self</span>.dst.push_str(<span class="string">"\"\"\""</span>), |
| Type::OnelineSingle | Type::OnelineTripple => <span class="self">self</span>.dst.push(<span class="string">'"'</span>), |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>emit_table_header(<span class="kw-2">&mut </span><span class="self">self</span>, state: <span class="kw-2">&</span>State<<span class="lifetime">'_</span>>) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">let </span>array_of_tables = <span class="kw">match </span><span class="kw-2">*</span>state { |
| State::End => <span class="kw">return </span><span class="prelude-val">Ok</span>(()), |
| State::Array { .. } => <span class="bool-val">true</span>, |
| <span class="kw">_ </span>=> <span class="bool-val">false</span>, |
| }; |
| |
| <span class="comment">// Unlike [..]s, we can't omit [[..]] ancestors, so be sure to emit table |
| // headers for them. |
| </span><span class="kw">let </span><span class="kw-2">mut </span>p = state; |
| <span class="kw">if let </span>State::Array { first, parent, .. } = <span class="kw-2">*</span>state { |
| <span class="kw">if </span>first.get() { |
| p = parent; |
| } |
| } |
| <span class="kw">while let </span>State::Table { first, parent, .. } = <span class="kw-2">*</span>p { |
| p = parent; |
| <span class="kw">if </span>!first.get() { |
| <span class="kw">break</span>; |
| } |
| <span class="kw">if let </span>State::Array { |
| parent: <span class="kw-2">&</span>State::Table { .. }, |
| .. |
| } = <span class="kw-2">*</span>parent |
| { |
| <span class="self">self</span>.emit_table_header(parent)<span class="question-mark">?</span>; |
| <span class="kw">break</span>; |
| } |
| } |
| |
| <span class="kw">match </span><span class="kw-2">*</span>state { |
| State::Table { first, .. } => { |
| <span class="kw">if </span>!first.get() { |
| <span class="comment">// Newline if we are a table that is not the first |
| // table in the document. |
| </span><span class="self">self</span>.dst.push(<span class="string">'\n'</span>); |
| } |
| } |
| State::Array { parent, first, .. } => { |
| <span class="kw">if </span>!first.get() { |
| <span class="comment">// Always newline if we are not the first item in the |
| // table-array |
| </span><span class="self">self</span>.dst.push(<span class="string">'\n'</span>); |
| } <span class="kw">else if let </span>State::Table { first, .. } = <span class="kw-2">*</span>parent { |
| <span class="kw">if </span>!first.get() { |
| <span class="comment">// Newline if we are not the first item in the document |
| </span><span class="self">self</span>.dst.push(<span class="string">'\n'</span>); |
| } |
| } |
| } |
| <span class="kw">_ </span>=> {} |
| } |
| <span class="self">self</span>.dst.push(<span class="string">'['</span>); |
| <span class="kw">if </span>array_of_tables { |
| <span class="self">self</span>.dst.push(<span class="string">'['</span>); |
| } |
| <span class="self">self</span>.emit_key_part(state)<span class="question-mark">?</span>; |
| <span class="kw">if </span>array_of_tables { |
| <span class="self">self</span>.dst.push(<span class="string">']'</span>); |
| } |
| <span class="self">self</span>.dst.push_str(<span class="string">"]\n"</span>); |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>emit_key_part(<span class="kw-2">&mut </span><span class="self">self</span>, key: <span class="kw-2">&</span>State<<span class="lifetime">'_</span>>) -> <span class="prelude-ty">Result</span><bool, Error> { |
| <span class="kw">match </span><span class="kw-2">*</span>key { |
| State::Array { parent, .. } => <span class="self">self</span>.emit_key_part(parent), |
| State::End => <span class="prelude-val">Ok</span>(<span class="bool-val">true</span>), |
| State::Table { |
| key, |
| parent, |
| table_emitted, |
| .. |
| } => { |
| table_emitted.set(<span class="bool-val">true</span>); |
| <span class="kw">let </span>first = <span class="self">self</span>.emit_key_part(parent)<span class="question-mark">?</span>; |
| <span class="kw">if </span>!first { |
| <span class="self">self</span>.dst.push(<span class="string">'.'</span>); |
| } |
| <span class="self">self</span>.escape_key(key)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(<span class="bool-val">false</span>) |
| } |
| } |
| } |
| } |
| |
| <span class="macro">macro_rules! </span>serialize_float { |
| (<span class="macro-nonterminal">$this</span>:expr, <span class="macro-nonterminal">$v</span>:expr) => {{ |
| <span class="macro-nonterminal">$this</span>.emit_key(ArrayState::Started)<span class="question-mark">?</span>; |
| <span class="kw">match </span>(<span class="macro-nonterminal">$v</span>.is_sign_negative(), <span class="macro-nonterminal">$v</span>.is_nan(), <span class="macro-nonterminal">$v </span>== <span class="number">0.0</span>) { |
| (<span class="bool-val">true</span>, <span class="bool-val">true</span>, <span class="kw">_</span>) => <span class="macro">write!</span>(<span class="macro-nonterminal">$this</span>.dst, <span class="string">"-nan"</span>), |
| (<span class="bool-val">false</span>, <span class="bool-val">true</span>, <span class="kw">_</span>) => <span class="macro">write!</span>(<span class="macro-nonterminal">$this</span>.dst, <span class="string">"nan"</span>), |
| (<span class="bool-val">true</span>, <span class="bool-val">false</span>, <span class="bool-val">true</span>) => <span class="macro">write!</span>(<span class="macro-nonterminal">$this</span>.dst, <span class="string">"-0.0"</span>), |
| (<span class="bool-val">false</span>, <span class="bool-val">false</span>, <span class="bool-val">true</span>) => <span class="macro">write!</span>(<span class="macro-nonterminal">$this</span>.dst, <span class="string">"0.0"</span>), |
| (<span class="kw">_</span>, <span class="bool-val">false</span>, <span class="bool-val">false</span>) => <span class="macro">write!</span>(<span class="macro-nonterminal">$this</span>.dst, <span class="string">"{}"</span>, <span class="macro-nonterminal">$v</span>).and_then(|<span class="kw">_</span>| { |
| <span class="kw">if </span><span class="macro-nonterminal">$v </span>% <span class="number">1.0 </span>== <span class="number">0.0 </span>{ |
| <span class="macro">write!</span>(<span class="macro-nonterminal">$this</span>.dst, <span class="string">".0"</span>) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Ok</span>(()) |
| } |
| }), |
| } |
| .map_err(ser::Error::custom)<span class="question-mark">?</span>; |
| |
| <span class="kw">if let </span>State::Table { .. } = <span class="macro-nonterminal">$this</span>.state { |
| <span class="macro-nonterminal">$this</span>.dst.push_str(<span class="string">"\n"</span>); |
| } |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(()); |
| }}; |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> ser::Serializer <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'b </span><span class="kw-2">mut </span>Serializer<<span class="lifetime">'a</span>> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= (); |
| <span class="kw">type </span>Error = Error; |
| <span class="kw">type </span>SerializeSeq = SerializeSeq<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>; |
| <span class="kw">type </span>SerializeTuple = SerializeSeq<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>; |
| <span class="kw">type </span>SerializeTupleStruct = SerializeSeq<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>; |
| <span class="kw">type </span>SerializeTupleVariant = SerializeSeq<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>; |
| <span class="kw">type </span>SerializeMap = SerializeTable<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>; |
| <span class="kw">type </span>SerializeStruct = SerializeTable<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>; |
| <span class="kw">type </span>SerializeStructVariant = ser::Impossible<(), Error>; |
| |
| <span class="kw">fn </span>serialize_bool(<span class="self">self</span>, v: bool) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.display(v, ArrayState::Started) |
| } |
| |
| <span class="kw">fn </span>serialize_i8(<span class="self">self</span>, v: i8) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.display(v, ArrayState::Started) |
| } |
| |
| <span class="kw">fn </span>serialize_i16(<span class="self">self</span>, v: i16) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.display(v, ArrayState::Started) |
| } |
| |
| <span class="kw">fn </span>serialize_i32(<span class="self">self</span>, v: i32) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.display(v, ArrayState::Started) |
| } |
| |
| <span class="kw">fn </span>serialize_i64(<span class="self">self</span>, v: i64) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.display(v, ArrayState::Started) |
| } |
| |
| <span class="kw">fn </span>serialize_u8(<span class="self">self</span>, v: u8) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.display(v, ArrayState::Started) |
| } |
| |
| <span class="kw">fn </span>serialize_u16(<span class="self">self</span>, v: u16) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.display(v, ArrayState::Started) |
| } |
| |
| <span class="kw">fn </span>serialize_u32(<span class="self">self</span>, v: u32) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.display(v, ArrayState::Started) |
| } |
| |
| <span class="kw">fn </span>serialize_u64(<span class="self">self</span>, v: u64) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.display(v, ArrayState::Started) |
| } |
| |
| <span class="kw">fn </span>serialize_f32(<span class="self">self</span>, v: f32) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="macro">serialize_float!</span>(<span class="self">self</span>, v) |
| } |
| |
| <span class="kw">fn </span>serialize_f64(<span class="self">self</span>, v: f64) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="macro">serialize_float!</span>(<span class="self">self</span>, v) |
| } |
| |
| <span class="kw">fn </span>serialize_char(<span class="self">self</span>, v: char) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0</span>; <span class="number">4</span>]; |
| <span class="self">self</span>.serialize_str(v.encode_utf8(<span class="kw-2">&mut </span>buf)) |
| } |
| |
| <span class="kw">fn </span>serialize_str(<span class="self">self</span>, value: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.emit_key(ArrayState::Started)<span class="question-mark">?</span>; |
| <span class="self">self</span>.emit_str(value, <span class="bool-val">false</span>)<span class="question-mark">?</span>; |
| <span class="kw">if let </span>State::Table { .. } = <span class="self">self</span>.state { |
| <span class="self">self</span>.dst.push(<span class="string">'\n'</span>); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>serialize_bytes(<span class="self">self</span>, value: <span class="kw-2">&</span>[u8]) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="kw">use </span>serde::ser::Serialize; |
| value.serialize(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_none(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::UnsupportedNone) |
| } |
| |
| <span class="kw">fn </span>serialize_some<T: <span class="question-mark">?</span>Sized>(<span class="self">self</span>, value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| value.serialize(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_unit(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::UnsupportedType) |
| } |
| |
| <span class="kw">fn </span>serialize_unit_struct(<span class="self">self</span>, _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::UnsupportedType) |
| } |
| |
| <span class="kw">fn </span>serialize_unit_variant( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.serialize_str(variant) |
| } |
| |
| <span class="kw">fn </span>serialize_newtype_struct<T: <span class="question-mark">?</span>Sized>( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| value: <span class="kw-2">&</span>T, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| value.serialize(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_newtype_variant<T: <span class="question-mark">?</span>Sized>( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _value: <span class="kw-2">&</span>T, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="prelude-val">Err</span>(Error::UnsupportedType) |
| } |
| |
| <span class="kw">fn </span>serialize_seq(<span class="self">self</span>, len: <span class="prelude-ty">Option</span><usize>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeSeq, <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.array_type(ArrayState::Started)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(SerializeSeq { |
| ser: <span class="self">self</span>, |
| first: Cell::new(<span class="bool-val">true</span>), |
| type_: Cell::new(<span class="prelude-val">None</span>), |
| len, |
| }) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple(<span class="self">self</span>, len: usize) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTuple, <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.serialize_seq(<span class="prelude-val">Some</span>(len)) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple_struct( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTupleStruct, <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.serialize_seq(<span class="prelude-val">Some</span>(len)) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple_variant( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTupleVariant, <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.serialize_seq(<span class="prelude-val">Some</span>(len)) |
| } |
| |
| <span class="kw">fn </span>serialize_map(<span class="self">self</span>, _len: <span class="prelude-ty">Option</span><usize>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeMap, <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.array_type(ArrayState::StartedAsATable)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(SerializeTable::Table { |
| ser: <span class="self">self</span>, |
| key: String::new(), |
| first: Cell::new(<span class="bool-val">true</span>), |
| table_emitted: Cell::new(<span class="bool-val">false</span>), |
| }) |
| } |
| |
| <span class="kw">fn </span>serialize_struct( |
| <span class="self">self</span>, |
| name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeStruct, <span class="self">Self</span>::Error> { |
| <span class="kw">if </span>name == datetime::NAME { |
| <span class="self">self</span>.array_type(ArrayState::Started)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(SerializeTable::Datetime(<span class="self">self</span>)) |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.array_type(ArrayState::StartedAsATable)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(SerializeTable::Table { |
| ser: <span class="self">self</span>, |
| key: String::new(), |
| first: Cell::new(<span class="bool-val">true</span>), |
| table_emitted: Cell::new(<span class="bool-val">false</span>), |
| }) |
| } |
| } |
| |
| <span class="kw">fn </span>serialize_struct_variant( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeStructVariant, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::UnsupportedType) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> ser::SerializeSeq <span class="kw">for </span>SerializeSeq<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= (); |
| <span class="kw">type </span>Error = Error; |
| |
| <span class="kw">fn </span>serialize_element<T: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| value.serialize(<span class="kw-2">&mut </span>Serializer { |
| dst: <span class="kw-2">&mut *</span><span class="self">self</span>.ser.dst, |
| state: State::Array { |
| parent: <span class="kw-2">&</span><span class="self">self</span>.ser.state, |
| first: <span class="kw-2">&</span><span class="self">self</span>.first, |
| type_: <span class="kw-2">&</span><span class="self">self</span>.type_, |
| len: <span class="self">self</span>.len, |
| }, |
| settings: <span class="self">self</span>.ser.settings.clone(), |
| })<span class="question-mark">?</span>; |
| <span class="self">self</span>.first.set(<span class="bool-val">false</span>); |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">match </span><span class="self">self</span>.type_.get() { |
| <span class="prelude-val">Some</span>(ArrayState::StartedAsATable) => <span class="kw">return </span><span class="prelude-val">Ok</span>(()), |
| <span class="prelude-val">Some</span>(ArrayState::Started) => <span class="kw">match </span>(<span class="self">self</span>.len, <span class="kw-2">&</span><span class="self">self</span>.ser.settings.array) { |
| (<span class="prelude-val">Some</span>(<span class="number">0</span>..=<span class="number">1</span>), <span class="kw">_</span>) | (<span class="kw">_</span>, <span class="kw-2">&</span><span class="prelude-val">None</span>) => { |
| <span class="self">self</span>.ser.dst.push(<span class="string">']'</span>); |
| } |
| (<span class="kw">_</span>, <span class="kw-2">&</span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>a)) => { |
| <span class="kw">if </span>a.trailing_comma { |
| <span class="self">self</span>.ser.dst.push(<span class="string">','</span>); |
| } |
| <span class="self">self</span>.ser.dst.push_str(<span class="string">"\n]"</span>); |
| } |
| }, |
| <span class="prelude-val">None </span>=> { |
| <span class="macro">assert!</span>(<span class="self">self</span>.first.get()); |
| <span class="self">self</span>.ser.emit_key(ArrayState::Started)<span class="question-mark">?</span>; |
| <span class="self">self</span>.ser.dst.push_str(<span class="string">"[]"</span>) |
| } |
| } |
| <span class="kw">if let </span>State::Table { .. } = <span class="self">self</span>.ser.state { |
| <span class="self">self</span>.ser.dst.push(<span class="string">'\n'</span>); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> ser::SerializeTuple <span class="kw">for </span>SerializeSeq<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= (); |
| <span class="kw">type </span>Error = Error; |
| |
| <span class="kw">fn </span>serialize_element<T: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| ser::SerializeSeq::serialize_element(<span class="self">self</span>, value) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), Error> { |
| ser::SerializeSeq::end(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> ser::SerializeTupleVariant <span class="kw">for </span>SerializeSeq<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= (); |
| <span class="kw">type </span>Error = Error; |
| |
| <span class="kw">fn </span>serialize_field<T: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| ser::SerializeSeq::serialize_element(<span class="self">self</span>, value) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), Error> { |
| ser::SerializeSeq::end(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> ser::SerializeTupleStruct <span class="kw">for </span>SerializeSeq<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= (); |
| <span class="kw">type </span>Error = Error; |
| |
| <span class="kw">fn </span>serialize_field<T: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| ser::SerializeSeq::serialize_element(<span class="self">self</span>, value) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), Error> { |
| ser::SerializeSeq::end(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> ser::SerializeMap <span class="kw">for </span>SerializeTable<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= (); |
| <span class="kw">type </span>Error = Error; |
| |
| <span class="kw">fn </span>serialize_key<T: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, input: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| SerializeTable::Datetime(<span class="kw">_</span>) => <span class="macro">panic!</span>(), <span class="comment">// shouldn't be possible |
| </span>SerializeTable::Table { <span class="kw-2">ref mut </span>key, .. } => { |
| key.truncate(<span class="number">0</span>); |
| <span class="kw-2">*</span>key = input.serialize(StringExtractor)<span class="question-mark">?</span>; |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>serialize_value<T: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| SerializeTable::Datetime(<span class="kw">_</span>) => <span class="macro">panic!</span>(), <span class="comment">// shouldn't be possible |
| </span>SerializeTable::Table { |
| <span class="kw-2">ref mut </span>ser, |
| <span class="kw-2">ref </span>key, |
| <span class="kw-2">ref </span>first, |
| <span class="kw-2">ref </span>table_emitted, |
| .. |
| } => { |
| <span class="kw">let </span>res = value.serialize(<span class="kw-2">&mut </span>Serializer { |
| dst: <span class="kw-2">&mut *</span>ser.dst, |
| state: State::Table { |
| key, |
| parent: <span class="kw-2">&</span>ser.state, |
| first, |
| table_emitted, |
| }, |
| settings: ser.settings.clone(), |
| }); |
| <span class="kw">match </span>res { |
| <span class="prelude-val">Ok</span>(()) => first.set(<span class="bool-val">false</span>), |
| <span class="prelude-val">Err</span>(Error::UnsupportedNone) => {} |
| <span class="prelude-val">Err</span>(e) => <span class="kw">return </span><span class="prelude-val">Err</span>(e), |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">match </span><span class="self">self </span>{ |
| SerializeTable::Datetime(<span class="kw">_</span>) => <span class="macro">panic!</span>(), <span class="comment">// shouldn't be possible |
| </span>SerializeTable::Table { ser, first, .. } => { |
| <span class="kw">if </span>first.get() { |
| <span class="kw">let </span>state = ser.state.clone(); |
| ser.emit_table_header(<span class="kw-2">&</span>state)<span class="question-mark">?</span>; |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> ser::SerializeStruct <span class="kw">for </span>SerializeTable<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= (); |
| <span class="kw">type </span>Error = Error; |
| |
| <span class="kw">fn </span>serialize_field<T: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, key: <span class="kw-2">&</span><span class="lifetime">'static </span>str, value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| SerializeTable::Datetime(<span class="kw-2">ref mut </span>ser) => { |
| <span class="kw">if </span>key == datetime::FIELD { |
| value.serialize(DateStrEmitter(<span class="kw-2">*</span>ser))<span class="question-mark">?</span>; |
| } <span class="kw">else </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::DateInvalid); |
| } |
| } |
| SerializeTable::Table { |
| <span class="kw-2">ref mut </span>ser, |
| <span class="kw-2">ref </span>first, |
| <span class="kw-2">ref </span>table_emitted, |
| .. |
| } => { |
| <span class="kw">let </span>res = value.serialize(<span class="kw-2">&mut </span>Serializer { |
| dst: <span class="kw-2">&mut *</span>ser.dst, |
| state: State::Table { |
| key, |
| parent: <span class="kw-2">&</span>ser.state, |
| first, |
| table_emitted, |
| }, |
| settings: ser.settings.clone(), |
| }); |
| <span class="kw">match </span>res { |
| <span class="prelude-val">Ok</span>(()) => first.set(<span class="bool-val">false</span>), |
| <span class="prelude-val">Err</span>(Error::UnsupportedNone) => {} |
| <span class="prelude-val">Err</span>(e) => <span class="kw">return </span><span class="prelude-val">Err</span>(e), |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">match </span><span class="self">self </span>{ |
| SerializeTable::Datetime(<span class="kw">_</span>) => {} |
| SerializeTable::Table { ser, first, .. } => { |
| <span class="kw">if </span>first.get() { |
| <span class="kw">let </span>state = ser.state.clone(); |
| ser.emit_table_header(<span class="kw-2">&</span>state)<span class="question-mark">?</span>; |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| |
| <span class="kw">struct </span>DateStrEmitter<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>(<span class="kw-2">&</span><span class="lifetime">'b </span><span class="kw-2">mut </span>Serializer<<span class="lifetime">'a</span>>); |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> ser::Serializer <span class="kw">for </span>DateStrEmitter<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= (); |
| <span class="kw">type </span>Error = Error; |
| <span class="kw">type </span>SerializeSeq = ser::Impossible<(), Error>; |
| <span class="kw">type </span>SerializeTuple = ser::Impossible<(), Error>; |
| <span class="kw">type </span>SerializeTupleStruct = ser::Impossible<(), Error>; |
| <span class="kw">type </span>SerializeTupleVariant = ser::Impossible<(), Error>; |
| <span class="kw">type </span>SerializeMap = ser::Impossible<(), Error>; |
| <span class="kw">type </span>SerializeStruct = ser::Impossible<(), Error>; |
| <span class="kw">type </span>SerializeStructVariant = ser::Impossible<(), Error>; |
| |
| <span class="kw">fn </span>serialize_bool(<span class="self">self</span>, _v: bool) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_i8(<span class="self">self</span>, _v: i8) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_i16(<span class="self">self</span>, _v: i16) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_i32(<span class="self">self</span>, _v: i32) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_i64(<span class="self">self</span>, _v: i64) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_u8(<span class="self">self</span>, _v: u8) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_u16(<span class="self">self</span>, _v: u16) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_u32(<span class="self">self</span>, _v: u32) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_u64(<span class="self">self</span>, _v: u64) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_f32(<span class="self">self</span>, _v: f32) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_f64(<span class="self">self</span>, _v: f64) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_char(<span class="self">self</span>, _v: char) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_str(<span class="self">self</span>, value: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="self">self</span>.<span class="number">0</span>.display(value, ArrayState::Started)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>serialize_bytes(<span class="self">self</span>, _value: <span class="kw-2">&</span>[u8]) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_none(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_some<T: <span class="question-mark">?</span>Sized>(<span class="self">self</span>, _value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_unit(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_unit_struct(<span class="self">self</span>, _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_unit_variant( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_newtype_struct<T: <span class="question-mark">?</span>Sized>( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _value: <span class="kw-2">&</span>T, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_newtype_variant<T: <span class="question-mark">?</span>Sized>( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _value: <span class="kw-2">&</span>T, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_seq(<span class="self">self</span>, _len: <span class="prelude-ty">Option</span><usize>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeSeq, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple(<span class="self">self</span>, _len: usize) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTuple, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple_struct( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTupleStruct, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple_variant( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTupleVariant, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_map(<span class="self">self</span>, _len: <span class="prelude-ty">Option</span><usize>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeMap, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_struct( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeStruct, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| |
| <span class="kw">fn </span>serialize_struct_variant( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeStructVariant, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::DateInvalid) |
| } |
| } |
| |
| <span class="kw">struct </span>StringExtractor; |
| |
| <span class="kw">impl </span>ser::Serializer <span class="kw">for </span>StringExtractor { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= String; |
| <span class="kw">type </span>Error = Error; |
| <span class="kw">type </span>SerializeSeq = ser::Impossible<String, Error>; |
| <span class="kw">type </span>SerializeTuple = ser::Impossible<String, Error>; |
| <span class="kw">type </span>SerializeTupleStruct = ser::Impossible<String, Error>; |
| <span class="kw">type </span>SerializeTupleVariant = ser::Impossible<String, Error>; |
| <span class="kw">type </span>SerializeMap = ser::Impossible<String, Error>; |
| <span class="kw">type </span>SerializeStruct = ser::Impossible<String, Error>; |
| <span class="kw">type </span>SerializeStructVariant = ser::Impossible<String, Error>; |
| |
| <span class="kw">fn </span>serialize_bool(<span class="self">self</span>, _v: bool) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_i8(<span class="self">self</span>, _v: i8) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_i16(<span class="self">self</span>, _v: i16) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_i32(<span class="self">self</span>, _v: i32) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_i64(<span class="self">self</span>, _v: i64) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_u8(<span class="self">self</span>, _v: u8) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_u16(<span class="self">self</span>, _v: u16) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_u32(<span class="self">self</span>, _v: u32) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_u64(<span class="self">self</span>, _v: u64) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_f32(<span class="self">self</span>, _v: f32) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_f64(<span class="self">self</span>, _v: f64) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_char(<span class="self">self</span>, _v: char) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_str(<span class="self">self</span>, value: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(value.to_string()) |
| } |
| |
| <span class="kw">fn </span>serialize_bytes(<span class="self">self</span>, _value: <span class="kw-2">&</span>[u8]) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_none(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_some<T: <span class="question-mark">?</span>Sized>(<span class="self">self</span>, _value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_unit(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_unit_struct(<span class="self">self</span>, _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_unit_variant( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| ) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_newtype_struct<T: <span class="question-mark">?</span>Sized>( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| value: <span class="kw-2">&</span>T, |
| ) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| value.serialize(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_newtype_variant<T: <span class="question-mark">?</span>Sized>( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _value: <span class="kw-2">&</span>T, |
| ) -> <span class="prelude-ty">Result</span><String, <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_seq(<span class="self">self</span>, _len: <span class="prelude-ty">Option</span><usize>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeSeq, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple(<span class="self">self</span>, _len: usize) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTuple, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple_struct( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTupleStruct, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple_variant( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTupleVariant, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_map(<span class="self">self</span>, _len: <span class="prelude-ty">Option</span><usize>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeMap, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_struct( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeStruct, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| |
| <span class="kw">fn </span>serialize_struct_variant( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _variant_index: u32, |
| _variant: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| _len: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeStructVariant, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(Error::KeyNotString) |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Display <span class="kw">for </span>Error { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Error::UnsupportedType => <span class="string">"unsupported Rust type"</span>.fmt(f), |
| Error::KeyNotString => <span class="string">"map key was not a string"</span>.fmt(f), |
| Error::ValueAfterTable => <span class="string">"values must be emitted before tables"</span>.fmt(f), |
| Error::DateInvalid => <span class="string">"a serialized date was invalid"</span>.fmt(f), |
| Error::NumberInvalid => <span class="string">"a serialized number was invalid"</span>.fmt(f), |
| Error::UnsupportedNone => <span class="string">"unsupported None value"</span>.fmt(f), |
| Error::Custom(<span class="kw-2">ref </span>s) => s.fmt(f), |
| Error::KeyNewline => <span class="macro">unreachable!</span>(), |
| Error::ArrayMixedType => <span class="macro">unreachable!</span>(), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>error::Error <span class="kw">for </span>Error {} |
| |
| <span class="kw">impl </span>ser::Error <span class="kw">for </span>Error { |
| <span class="kw">fn </span>custom<T: fmt::Display>(msg: T) -> Error { |
| Error::Custom(msg.to_string()) |
| } |
| } |
| |
| <span class="kw">enum </span>Category { |
| Primitive, |
| Array, |
| Table, |
| } |
| |
| <span class="doccomment">/// Convenience function to serialize items in a map in an order valid with |
| /// TOML. |
| /// |
| /// TOML carries the restriction that keys in a table must be serialized last if |
| /// their value is a table itself. This isn't always easy to guarantee, so this |
| /// helper can be used like so: |
| /// |
| /// ```rust |
| /// # use serde_derive::Serialize; |
| /// # use std::collections::HashMap; |
| /// #[derive(Serialize)] |
| /// struct Manifest { |
| /// package: Package, |
| /// #[serde(serialize_with = "toml::ser::tables_last")] |
| /// dependencies: HashMap<String, Dependency>, |
| /// } |
| /// # type Package = String; |
| /// # type Dependency = String; |
| /// # fn main() {} |
| /// ``` |
| </span><span class="kw">pub fn </span>tables_last<<span class="lifetime">'a</span>, I, K, V, S>(data: <span class="kw-2">&</span><span class="lifetime">'a </span>I, serializer: S) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> |
| <span class="kw">where |
| </span><span class="kw-2">&</span><span class="lifetime">'a </span>I: IntoIterator<Item = (K, V)>, |
| K: ser::Serialize, |
| V: ser::Serialize, |
| S: ser::Serializer, |
| { |
| <span class="kw">use </span>serde::ser::SerializeMap; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>map = serializer.serialize_map(<span class="prelude-val">None</span>)<span class="question-mark">?</span>; |
| <span class="kw">for </span>(k, v) <span class="kw">in </span>data { |
| <span class="kw">if let </span>Category::Primitive = v.serialize(Categorize::new())<span class="question-mark">? </span>{ |
| map.serialize_entry(<span class="kw-2">&</span>k, <span class="kw-2">&</span>v)<span class="question-mark">?</span>; |
| } |
| } |
| <span class="kw">for </span>(k, v) <span class="kw">in </span>data { |
| <span class="kw">if let </span>Category::Array = v.serialize(Categorize::new())<span class="question-mark">? </span>{ |
| map.serialize_entry(<span class="kw-2">&</span>k, <span class="kw-2">&</span>v)<span class="question-mark">?</span>; |
| } |
| } |
| <span class="kw">for </span>(k, v) <span class="kw">in </span>data { |
| <span class="kw">if let </span>Category::Table = v.serialize(Categorize::new())<span class="question-mark">? </span>{ |
| map.serialize_entry(<span class="kw-2">&</span>k, <span class="kw-2">&</span>v)<span class="question-mark">?</span>; |
| } |
| } |
| map.end() |
| } |
| |
| <span class="kw">struct </span>Categorize<E>(marker::PhantomData<E>); |
| |
| <span class="kw">impl</span><E> Categorize<E> { |
| <span class="kw">fn </span>new() -> <span class="self">Self </span>{ |
| Categorize(marker::PhantomData) |
| } |
| } |
| |
| <span class="kw">impl</span><E: ser::Error> ser::Serializer <span class="kw">for </span>Categorize<E> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Category; |
| <span class="kw">type </span>Error = E; |
| <span class="kw">type </span>SerializeSeq = <span class="self">Self</span>; |
| <span class="kw">type </span>SerializeTuple = <span class="self">Self</span>; |
| <span class="kw">type </span>SerializeTupleStruct = <span class="self">Self</span>; |
| <span class="kw">type </span>SerializeTupleVariant = <span class="self">Self</span>; |
| <span class="kw">type </span>SerializeMap = <span class="self">Self</span>; |
| <span class="kw">type </span>SerializeStruct = <span class="self">Self</span>; |
| <span class="kw">type </span>SerializeStructVariant = ser::Impossible<Category, E>; |
| |
| <span class="kw">fn </span>serialize_bool(<span class="self">self</span>, <span class="kw">_</span>: bool) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_i8(<span class="self">self</span>, <span class="kw">_</span>: i8) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_i16(<span class="self">self</span>, <span class="kw">_</span>: i16) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_i32(<span class="self">self</span>, <span class="kw">_</span>: i32) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_i64(<span class="self">self</span>, <span class="kw">_</span>: i64) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_u8(<span class="self">self</span>, <span class="kw">_</span>: u8) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_u16(<span class="self">self</span>, <span class="kw">_</span>: u16) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_u32(<span class="self">self</span>, <span class="kw">_</span>: u32) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_u64(<span class="self">self</span>, <span class="kw">_</span>: u64) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_f32(<span class="self">self</span>, <span class="kw">_</span>: f32) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_f64(<span class="self">self</span>, <span class="kw">_</span>: f64) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_char(<span class="self">self</span>, <span class="kw">_</span>: char) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_str(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Primitive) |
| } |
| |
| <span class="kw">fn </span>serialize_bytes(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>[u8]) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Array) |
| } |
| |
| <span class="kw">fn </span>serialize_none(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(ser::Error::custom(<span class="string">"unsupported"</span>)) |
| } |
| |
| <span class="kw">fn </span>serialize_some<T: <span class="question-mark">?</span>Sized + ser::Serialize>(<span class="self">self</span>, v: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| v.serialize(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_unit(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(ser::Error::custom(<span class="string">"unsupported"</span>)) |
| } |
| |
| <span class="kw">fn </span>serialize_unit_struct(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(ser::Error::custom(<span class="string">"unsupported"</span>)) |
| } |
| |
| <span class="kw">fn </span>serialize_unit_variant( |
| <span class="self">self</span>, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| <span class="kw">_</span>: u32, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(ser::Error::custom(<span class="string">"unsupported"</span>)) |
| } |
| |
| <span class="kw">fn </span>serialize_newtype_struct<T: <span class="question-mark">?</span>Sized + ser::Serialize>( |
| <span class="self">self</span>, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| v: <span class="kw-2">&</span>T, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| v.serialize(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_newtype_variant<T: <span class="question-mark">?</span>Sized + ser::Serialize>( |
| <span class="self">self</span>, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| <span class="kw">_</span>: u32, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| <span class="kw">_</span>: <span class="kw-2">&</span>T, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(ser::Error::custom(<span class="string">"unsupported"</span>)) |
| } |
| |
| <span class="kw">fn </span>serialize_seq(<span class="self">self</span>, <span class="kw">_</span>: <span class="prelude-ty">Option</span><usize>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple(<span class="self">self</span>, <span class="kw">_</span>: usize) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTuple, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple_struct( |
| <span class="self">self</span>, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| <span class="kw">_</span>: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTupleStruct, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_tuple_variant( |
| <span class="self">self</span>, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| <span class="kw">_</span>: u32, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| <span class="kw">_</span>: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeTupleVariant, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_map(<span class="self">self</span>, <span class="kw">_</span>: <span class="prelude-ty">Option</span><usize>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_struct(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, <span class="kw">_</span>: usize) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>serialize_struct_variant( |
| <span class="self">self</span>, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| <span class="kw">_</span>: u32, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| <span class="kw">_</span>: usize, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::SerializeStructVariant, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Err</span>(ser::Error::custom(<span class="string">"unsupported"</span>)) |
| } |
| } |
| |
| <span class="kw">impl</span><E: ser::Error> ser::SerializeSeq <span class="kw">for </span>Categorize<E> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Category; |
| <span class="kw">type </span>Error = E; |
| |
| <span class="kw">fn </span>serialize_element<T: <span class="question-mark">?</span>Sized + ser::Serialize>(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Array) |
| } |
| } |
| |
| <span class="kw">impl</span><E: ser::Error> ser::SerializeTuple <span class="kw">for </span>Categorize<E> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Category; |
| <span class="kw">type </span>Error = E; |
| |
| <span class="kw">fn </span>serialize_element<T: <span class="question-mark">?</span>Sized + ser::Serialize>(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Array) |
| } |
| } |
| |
| <span class="kw">impl</span><E: ser::Error> ser::SerializeTupleVariant <span class="kw">for </span>Categorize<E> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Category; |
| <span class="kw">type </span>Error = E; |
| |
| <span class="kw">fn </span>serialize_field<T: <span class="question-mark">?</span>Sized + ser::Serialize>(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Array) |
| } |
| } |
| |
| <span class="kw">impl</span><E: ser::Error> ser::SerializeTupleStruct <span class="kw">for </span>Categorize<E> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Category; |
| <span class="kw">type </span>Error = E; |
| |
| <span class="kw">fn </span>serialize_field<T: <span class="question-mark">?</span>Sized + ser::Serialize>(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Array) |
| } |
| } |
| |
| <span class="kw">impl</span><E: ser::Error> ser::SerializeMap <span class="kw">for </span>Categorize<E> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Category; |
| <span class="kw">type </span>Error = E; |
| |
| <span class="kw">fn </span>serialize_key<T: <span class="question-mark">?</span>Sized + ser::Serialize>(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>serialize_value<T: <span class="question-mark">?</span>Sized + ser::Serialize>(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Table) |
| } |
| } |
| |
| <span class="kw">impl</span><E: ser::Error> ser::SerializeStruct <span class="kw">for </span>Categorize<E> { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Category; |
| <span class="kw">type </span>Error = E; |
| |
| <span class="kw">fn </span>serialize_field<T: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static </span>str, <span class="kw">_</span>: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error> { |
| <span class="prelude-val">Ok</span>(Category::Table) |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="toml" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |