| <!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/value.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>value.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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| <span id="1076">1076</span> |
| <span id="1077">1077</span> |
| <span id="1078">1078</span> |
| <span id="1079">1079</span> |
| <span id="1080">1080</span> |
| <span id="1081">1081</span> |
| </pre><pre class="rust"><code><span class="doccomment">//! Definition of a TOML value |
| |
| </span><span class="kw">use </span>std::collections::{BTreeMap, HashMap}; |
| <span class="kw">use </span>std::fmt; |
| <span class="kw">use </span>std::hash::Hash; |
| <span class="kw">use </span>std::mem::discriminant; |
| <span class="kw">use </span>std::ops; |
| <span class="kw">use </span>std::str::FromStr; |
| <span class="kw">use </span>std::vec; |
| |
| <span class="kw">use </span>serde::de; |
| <span class="kw">use </span>serde::de::IntoDeserializer; |
| <span class="kw">use </span>serde::ser; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::datetime::{<span class="self">self</span>, DatetimeFromString}; |
| <span class="kw">pub use </span><span class="kw">crate</span>::datetime::{Date, Datetime, DatetimeParseError, Offset, Time}; |
| |
| <span class="kw">pub use </span><span class="kw">crate</span>::map::{Entry, Map}; |
| |
| <span class="doccomment">/// Representation of a TOML value. |
| </span><span class="attribute">#[derive(PartialEq, Clone, Debug)] |
| </span><span class="kw">pub enum </span>Value { |
| <span class="doccomment">/// Represents a TOML string |
| </span>String(String), |
| <span class="doccomment">/// Represents a TOML integer |
| </span>Integer(i64), |
| <span class="doccomment">/// Represents a TOML float |
| </span>Float(f64), |
| <span class="doccomment">/// Represents a TOML boolean |
| </span>Boolean(bool), |
| <span class="doccomment">/// Represents a TOML datetime |
| </span>Datetime(Datetime), |
| <span class="doccomment">/// Represents a TOML array |
| </span>Array(Array), |
| <span class="doccomment">/// Represents a TOML table |
| </span>Table(Table), |
| } |
| |
| <span class="doccomment">/// Type representing a TOML array, payload of the `Value::Array` variant |
| </span><span class="kw">pub type </span>Array = Vec<Value>; |
| |
| <span class="doccomment">/// Type representing a TOML table, payload of the `Value::Table` variant. |
| /// By default it is backed by a BTreeMap, enable the `preserve_order` feature |
| /// to use a LinkedHashMap instead. |
| </span><span class="kw">pub type </span>Table = Map<String, Value>; |
| |
| <span class="kw">impl </span>Value { |
| <span class="doccomment">/// Convert a `T` into `toml::Value` which is an enum that can represent |
| /// any valid TOML data. |
| /// |
| /// This conversion can fail if `T`'s implementation of `Serialize` decides to |
| /// fail, or if `T` contains a map with non-string keys. |
| </span><span class="kw">pub fn </span>try_from<T>(value: T) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| value.serialize(Serializer) |
| } |
| |
| <span class="doccomment">/// Interpret a `toml::Value` as an instance of type `T`. |
| /// |
| /// This conversion can fail if the structure of the `Value` does not match the |
| /// structure expected by `T`, for example if `T` is a struct type but the |
| /// `Value` contains something other than a TOML table. It can also fail if the |
| /// structure is correct but `T`'s implementation of `Deserialize` decides that |
| /// something is wrong with the data, for example required struct fields are |
| /// missing from the TOML map or some number is too big to fit in the expected |
| /// primitive type. |
| </span><span class="kw">pub fn </span>try_into<<span class="lifetime">'de</span>, T>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><T, <span class="kw">crate</span>::de::Error> |
| <span class="kw">where |
| </span>T: de::Deserialize<<span class="lifetime">'de</span>>, |
| { |
| de::Deserialize::deserialize(<span class="self">self</span>) |
| } |
| |
| <span class="doccomment">/// Index into a TOML array or map. A string index can be used to access a |
| /// value in a map, and a usize index can be used to access an element of an |
| /// array. |
| /// |
| /// Returns `None` if the type of `self` does not match the type of the |
| /// index, for example if the index is a string and `self` is an array or a |
| /// number. Also returns `None` if the given key does not exist in the map |
| /// or the given index is not within the bounds of the array. |
| </span><span class="kw">pub fn </span>get<I: Index>(<span class="kw-2">&</span><span class="self">self</span>, index: I) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>Value> { |
| index.index(<span class="self">self</span>) |
| } |
| |
| <span class="doccomment">/// Mutably index into a TOML array or map. A string index can be used to |
| /// access a value in a map, and a usize index can be used to access an |
| /// element of an array. |
| /// |
| /// Returns `None` if the type of `self` does not match the type of the |
| /// index, for example if the index is a string and `self` is an array or a |
| /// number. Also returns `None` if the given key does not exist in the map |
| /// or the given index is not within the bounds of the array. |
| </span><span class="kw">pub fn </span>get_mut<I: Index>(<span class="kw-2">&mut </span><span class="self">self</span>, index: I) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>Value> { |
| index.index_mut(<span class="self">self</span>) |
| } |
| |
| <span class="doccomment">/// Extracts the integer value if it is an integer. |
| </span><span class="kw">pub fn </span>as_integer(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><i64> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::Integer(i) => <span class="prelude-val">Some</span>(i), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Tests whether this value is an integer. |
| </span><span class="kw">pub fn </span>is_integer(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.as_integer().is_some() |
| } |
| |
| <span class="doccomment">/// Extracts the float value if it is a float. |
| </span><span class="kw">pub fn </span>as_float(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><f64> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::Float(f) => <span class="prelude-val">Some</span>(f), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Tests whether this value is a float. |
| </span><span class="kw">pub fn </span>is_float(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.as_float().is_some() |
| } |
| |
| <span class="doccomment">/// Extracts the boolean value if it is a boolean. |
| </span><span class="kw">pub fn </span>as_bool(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><bool> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::Boolean(b) => <span class="prelude-val">Some</span>(b), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Tests whether this value is a boolean. |
| </span><span class="kw">pub fn </span>is_bool(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.as_bool().is_some() |
| } |
| |
| <span class="doccomment">/// Extracts the string of this value if it is a string. |
| </span><span class="kw">pub fn </span>as_str(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::String(<span class="kw-2">ref </span>s) => <span class="prelude-val">Some</span>(<span class="kw-2">&**</span>s), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Tests if this value is a string. |
| </span><span class="kw">pub fn </span>is_str(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.as_str().is_some() |
| } |
| |
| <span class="doccomment">/// Extracts the datetime value if it is a datetime. |
| /// |
| /// Note that a parsed TOML value will only contain ISO 8601 dates. An |
| /// example date is: |
| /// |
| /// ```notrust |
| /// 1979-05-27T07:32:00Z |
| /// ``` |
| </span><span class="kw">pub fn </span>as_datetime(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>Datetime> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::Datetime(<span class="kw-2">ref </span>s) => <span class="prelude-val">Some</span>(s), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Tests whether this value is a datetime. |
| </span><span class="kw">pub fn </span>is_datetime(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.as_datetime().is_some() |
| } |
| |
| <span class="doccomment">/// Extracts the array value if it is an array. |
| </span><span class="kw">pub fn </span>as_array(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>Vec<Value>> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::Array(<span class="kw-2">ref </span>s) => <span class="prelude-val">Some</span>(s), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Extracts the array value if it is an array. |
| </span><span class="kw">pub fn </span>as_array_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>Vec<Value>> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::Array(<span class="kw-2">ref mut </span>s) => <span class="prelude-val">Some</span>(s), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Tests whether this value is an array. |
| </span><span class="kw">pub fn </span>is_array(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.as_array().is_some() |
| } |
| |
| <span class="doccomment">/// Extracts the table value if it is a table. |
| </span><span class="kw">pub fn </span>as_table(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>Table> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::Table(<span class="kw-2">ref </span>s) => <span class="prelude-val">Some</span>(s), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Extracts the table value if it is a table. |
| </span><span class="kw">pub fn </span>as_table_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>Table> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::Table(<span class="kw-2">ref mut </span>s) => <span class="prelude-val">Some</span>(s), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Tests whether this value is a table. |
| </span><span class="kw">pub fn </span>is_table(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.as_table().is_some() |
| } |
| |
| <span class="doccomment">/// Tests whether this and another value have the same type. |
| </span><span class="kw">pub fn </span>same_type(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>Value) -> bool { |
| discriminant(<span class="self">self</span>) == discriminant(other) |
| } |
| |
| <span class="doccomment">/// Returns a human-readable representation of the type of this value. |
| </span><span class="kw">pub fn </span>type_str(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span><span class="lifetime">'static </span>str { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::String(..) => <span class="string">"string"</span>, |
| Value::Integer(..) => <span class="string">"integer"</span>, |
| Value::Float(..) => <span class="string">"float"</span>, |
| Value::Boolean(..) => <span class="string">"boolean"</span>, |
| Value::Datetime(..) => <span class="string">"datetime"</span>, |
| Value::Array(..) => <span class="string">"array"</span>, |
| Value::Table(..) => <span class="string">"table"</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><I> ops::Index<I> <span class="kw">for </span>Value |
| <span class="kw">where |
| </span>I: Index, |
| { |
| <span class="kw">type </span>Output = Value; |
| |
| <span class="kw">fn </span>index(<span class="kw-2">&</span><span class="self">self</span>, index: I) -> <span class="kw-2">&</span>Value { |
| <span class="self">self</span>.get(index).expect(<span class="string">"index not found"</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><I> ops::IndexMut<I> <span class="kw">for </span>Value |
| <span class="kw">where |
| </span>I: Index, |
| { |
| <span class="kw">fn </span>index_mut(<span class="kw-2">&mut </span><span class="self">self</span>, index: I) -> <span class="kw-2">&mut </span>Value { |
| <span class="self">self</span>.get_mut(index).expect(<span class="string">"index not found"</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> From<<span class="kw-2">&</span><span class="lifetime">'a </span>str> <span class="kw">for </span>Value { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>from(val: <span class="kw-2">&</span><span class="lifetime">'a </span>str) -> Value { |
| Value::String(val.to_string()) |
| } |
| } |
| |
| <span class="kw">impl</span><V: Into<Value>> From<Vec<V>> <span class="kw">for </span>Value { |
| <span class="kw">fn </span>from(val: Vec<V>) -> Value { |
| Value::Array(val.into_iter().map(|v| v.into()).collect()) |
| } |
| } |
| |
| <span class="kw">impl</span><S: Into<String>, V: Into<Value>> From<BTreeMap<S, V>> <span class="kw">for </span>Value { |
| <span class="kw">fn </span>from(val: BTreeMap<S, V>) -> Value { |
| <span class="kw">let </span>table = val.into_iter().map(|(s, v)| (s.into(), v.into())).collect(); |
| |
| Value::Table(table) |
| } |
| } |
| |
| <span class="kw">impl</span><S: Into<String> + Hash + Eq, V: Into<Value>> From<HashMap<S, V>> <span class="kw">for </span>Value { |
| <span class="kw">fn </span>from(val: HashMap<S, V>) -> Value { |
| <span class="kw">let </span>table = val.into_iter().map(|(s, v)| (s.into(), v.into())).collect(); |
| |
| Value::Table(table) |
| } |
| } |
| |
| <span class="macro">macro_rules! </span>impl_into_value { |
| (<span class="macro-nonterminal">$variant</span>:ident : <span class="macro-nonterminal">$T</span>:ty) => { |
| <span class="kw">impl </span>From<<span class="macro-nonterminal">$T</span>> <span class="kw">for </span>Value { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>from(val: <span class="macro-nonterminal">$T</span>) -> Value { |
| Value::<span class="macro-nonterminal">$variant</span>(val.into()) |
| } |
| } |
| }; |
| } |
| |
| <span class="macro">impl_into_value!</span>(String: String); |
| <span class="macro">impl_into_value!</span>(Integer: i64); |
| <span class="macro">impl_into_value!</span>(Integer: i32); |
| <span class="macro">impl_into_value!</span>(Integer: i8); |
| <span class="macro">impl_into_value!</span>(Integer: u8); |
| <span class="macro">impl_into_value!</span>(Integer: u32); |
| <span class="macro">impl_into_value!</span>(Float: f64); |
| <span class="macro">impl_into_value!</span>(Float: f32); |
| <span class="macro">impl_into_value!</span>(Boolean: bool); |
| <span class="macro">impl_into_value!</span>(Datetime: Datetime); |
| <span class="macro">impl_into_value!</span>(Table: Table); |
| |
| <span class="doccomment">/// Types that can be used to index a `toml::Value` |
| /// |
| /// Currently this is implemented for `usize` to index arrays and `str` to index |
| /// tables. |
| /// |
| /// This trait is sealed and not intended for implementation outside of the |
| /// `toml` crate. |
| </span><span class="kw">pub trait </span>Index: Sealed { |
| <span class="attribute">#[doc(hidden)] |
| </span><span class="kw">fn </span>index<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span>Value>; |
| <span class="attribute">#[doc(hidden)] |
| </span><span class="kw">fn </span>index_mut<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value>; |
| } |
| |
| <span class="doccomment">/// An implementation detail that should not be implemented, this will change in |
| /// the future and break code otherwise. |
| </span><span class="attribute">#[doc(hidden)] |
| </span><span class="kw">pub trait </span>Sealed {} |
| <span class="kw">impl </span>Sealed <span class="kw">for </span>usize {} |
| <span class="kw">impl </span>Sealed <span class="kw">for </span>str {} |
| <span class="kw">impl </span>Sealed <span class="kw">for </span>String {} |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, T: Sealed + <span class="question-mark">?</span>Sized> Sealed <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span>T {} |
| |
| <span class="kw">impl </span>Index <span class="kw">for </span>usize { |
| <span class="kw">fn </span>index<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span>Value> { |
| <span class="kw">match </span><span class="kw-2">*</span>val { |
| Value::Array(<span class="kw-2">ref </span>a) => a.get(<span class="kw-2">*</span><span class="self">self</span>), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="kw">fn </span>index_mut<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value> { |
| <span class="kw">match </span><span class="kw-2">*</span>val { |
| Value::Array(<span class="kw-2">ref mut </span>a) => a.get_mut(<span class="kw-2">*</span><span class="self">self</span>), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Index <span class="kw">for </span>str { |
| <span class="kw">fn </span>index<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span>Value> { |
| <span class="kw">match </span><span class="kw-2">*</span>val { |
| Value::Table(<span class="kw-2">ref </span>a) => a.get(<span class="self">self</span>), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="kw">fn </span>index_mut<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value> { |
| <span class="kw">match </span><span class="kw-2">*</span>val { |
| Value::Table(<span class="kw-2">ref mut </span>a) => a.get_mut(<span class="self">self</span>), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Index <span class="kw">for </span>String { |
| <span class="kw">fn </span>index<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span>Value> { |
| <span class="self">self</span>[..].index(val) |
| } |
| |
| <span class="kw">fn </span>index_mut<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value> { |
| <span class="self">self</span>[..].index_mut(val) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'s</span>, T: <span class="question-mark">?</span>Sized> Index <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'s </span>T |
| <span class="kw">where |
| </span>T: Index, |
| { |
| <span class="kw">fn </span>index<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span>Value> { |
| (<span class="kw-2">**</span><span class="self">self</span>).index(val) |
| } |
| |
| <span class="kw">fn </span>index_mut<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="self">self</span>, val: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value> { |
| (<span class="kw-2">**</span><span class="self">self</span>).index_mut(val) |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Display <span class="kw">for </span>Value { |
| <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">crate</span>::ser::to_string(<span class="self">self</span>) |
| .expect(<span class="string">"Unable to represent value as string"</span>) |
| .fmt(f) |
| } |
| } |
| |
| <span class="kw">impl </span>FromStr <span class="kw">for </span>Value { |
| <span class="kw">type </span><span class="prelude-val">Err </span>= <span class="kw">crate</span>::de::Error; |
| <span class="kw">fn </span>from_str(s: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Value, <span class="self">Self</span>::Err> { |
| <span class="kw">crate</span>::from_str(s) |
| } |
| } |
| |
| <span class="kw">impl </span>ser::Serialize <span class="kw">for </span>Value { |
| <span class="kw">fn </span>serialize<S>(<span class="kw-2">&</span><span class="self">self</span>, serializer: S) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> |
| <span class="kw">where |
| </span>S: ser::Serializer, |
| { |
| <span class="kw">use </span>serde::ser::SerializeMap; |
| |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Value::String(<span class="kw-2">ref </span>s) => serializer.serialize_str(s), |
| Value::Integer(i) => serializer.serialize_i64(i), |
| Value::Float(f) => serializer.serialize_f64(f), |
| Value::Boolean(b) => serializer.serialize_bool(b), |
| Value::Datetime(<span class="kw-2">ref </span>s) => s.serialize(serializer), |
| Value::Array(<span class="kw-2">ref </span>a) => a.serialize(serializer), |
| Value::Table(<span class="kw-2">ref </span>t) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>map = serializer.serialize_map(<span class="prelude-val">Some</span>(t.len()))<span class="question-mark">?</span>; |
| <span class="comment">// Be sure to visit non-tables first (and also non |
| // array-of-tables) as all keys must be emitted first. |
| </span><span class="kw">for </span>(k, v) <span class="kw">in </span>t { |
| <span class="kw">if </span>!v.is_table() && !v.is_array() |
| || (v |
| .as_array() |
| .map(|a| !a.iter().any(|v| v.is_table())) |
| .unwrap_or(<span class="bool-val">false</span>)) |
| { |
| map.serialize_entry(k, v)<span class="question-mark">?</span>; |
| } |
| } |
| <span class="kw">for </span>(k, v) <span class="kw">in </span>t { |
| <span class="kw">if </span>v.as_array() |
| .map(|a| a.iter().any(|v| v.is_table())) |
| .unwrap_or(<span class="bool-val">false</span>) |
| { |
| map.serialize_entry(k, v)<span class="question-mark">?</span>; |
| } |
| } |
| <span class="kw">for </span>(k, v) <span class="kw">in </span>t { |
| <span class="kw">if </span>v.is_table() { |
| map.serialize_entry(k, v)<span class="question-mark">?</span>; |
| } |
| } |
| map.end() |
| } |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> de::Deserialize<<span class="lifetime">'de</span>> <span class="kw">for </span>Value { |
| <span class="kw">fn </span>deserialize<D>(deserializer: D) -> <span class="prelude-ty">Result</span><Value, D::Error> |
| <span class="kw">where |
| </span>D: de::Deserializer<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">struct </span>ValueVisitor; |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> de::Visitor<<span class="lifetime">'de</span>> <span class="kw">for </span>ValueVisitor { |
| <span class="kw">type </span>Value = Value; |
| |
| <span class="kw">fn </span>expecting(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| formatter.write_str(<span class="string">"any valid TOML value"</span>) |
| } |
| |
| <span class="kw">fn </span>visit_bool<E>(<span class="self">self</span>, value: bool) -> <span class="prelude-ty">Result</span><Value, E> { |
| <span class="prelude-val">Ok</span>(Value::Boolean(value)) |
| } |
| |
| <span class="kw">fn </span>visit_i64<E>(<span class="self">self</span>, value: i64) -> <span class="prelude-ty">Result</span><Value, E> { |
| <span class="prelude-val">Ok</span>(Value::Integer(value)) |
| } |
| |
| <span class="kw">fn </span>visit_u64<E: de::Error>(<span class="self">self</span>, value: u64) -> <span class="prelude-ty">Result</span><Value, E> { |
| <span class="kw">if </span>value <= i64::max_value() <span class="kw">as </span>u64 { |
| <span class="prelude-val">Ok</span>(Value::Integer(value <span class="kw">as </span>i64)) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(de::Error::custom(<span class="string">"u64 value was too large"</span>)) |
| } |
| } |
| |
| <span class="kw">fn </span>visit_u32<E>(<span class="self">self</span>, value: u32) -> <span class="prelude-ty">Result</span><Value, E> { |
| <span class="prelude-val">Ok</span>(Value::Integer(value.into())) |
| } |
| |
| <span class="kw">fn </span>visit_i32<E>(<span class="self">self</span>, value: i32) -> <span class="prelude-ty">Result</span><Value, E> { |
| <span class="prelude-val">Ok</span>(Value::Integer(value.into())) |
| } |
| |
| <span class="kw">fn </span>visit_f64<E>(<span class="self">self</span>, value: f64) -> <span class="prelude-ty">Result</span><Value, E> { |
| <span class="prelude-val">Ok</span>(Value::Float(value)) |
| } |
| |
| <span class="kw">fn </span>visit_str<E>(<span class="self">self</span>, value: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Value, E> { |
| <span class="prelude-val">Ok</span>(Value::String(value.into())) |
| } |
| |
| <span class="kw">fn </span>visit_string<E>(<span class="self">self</span>, value: String) -> <span class="prelude-ty">Result</span><Value, E> { |
| <span class="prelude-val">Ok</span>(Value::String(value)) |
| } |
| |
| <span class="kw">fn </span>visit_some<D>(<span class="self">self</span>, deserializer: D) -> <span class="prelude-ty">Result</span><Value, D::Error> |
| <span class="kw">where |
| </span>D: de::Deserializer<<span class="lifetime">'de</span>>, |
| { |
| de::Deserialize::deserialize(deserializer) |
| } |
| |
| <span class="kw">fn </span>visit_seq<V>(<span class="self">self</span>, <span class="kw-2">mut </span>visitor: V) -> <span class="prelude-ty">Result</span><Value, V::Error> |
| <span class="kw">where |
| </span>V: de::SeqAccess<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>vec = Vec::new(); |
| <span class="kw">while let </span><span class="prelude-val">Some</span>(elem) = visitor.next_element()<span class="question-mark">? </span>{ |
| vec.push(elem); |
| } |
| <span class="prelude-val">Ok</span>(Value::Array(vec)) |
| } |
| |
| <span class="kw">fn </span>visit_map<V>(<span class="self">self</span>, <span class="kw-2">mut </span>visitor: V) -> <span class="prelude-ty">Result</span><Value, V::Error> |
| <span class="kw">where |
| </span>V: de::MapAccess<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>key = String::new(); |
| <span class="kw">let </span>datetime = visitor.next_key_seed(DatetimeOrTable { key: <span class="kw-2">&mut </span>key })<span class="question-mark">?</span>; |
| <span class="kw">match </span>datetime { |
| <span class="prelude-val">Some</span>(<span class="bool-val">true</span>) => { |
| <span class="kw">let </span>date: DatetimeFromString = visitor.next_value()<span class="question-mark">?</span>; |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(Value::Datetime(date.value)); |
| } |
| <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Ok</span>(Value::Table(Map::new())), |
| <span class="prelude-val">Some</span>(<span class="bool-val">false</span>) => {} |
| } |
| <span class="kw">let </span><span class="kw-2">mut </span>map = Map::new(); |
| map.insert(key, visitor.next_value()<span class="question-mark">?</span>); |
| <span class="kw">while let </span><span class="prelude-val">Some</span>(key) = visitor.next_key::<String>()<span class="question-mark">? </span>{ |
| <span class="kw">if let </span>Entry::Vacant(vacant) = map.entry(<span class="kw-2">&</span>key) { |
| vacant.insert(visitor.next_value()<span class="question-mark">?</span>); |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>msg = <span class="macro">format!</span>(<span class="string">"duplicate key: `{}`"</span>, key); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(de::Error::custom(msg)); |
| } |
| } |
| <span class="prelude-val">Ok</span>(Value::Table(map)) |
| } |
| } |
| |
| deserializer.deserialize_any(ValueVisitor) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> de::Deserializer<<span class="lifetime">'de</span>> <span class="kw">for </span>Value { |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::de::Error; |
| |
| <span class="kw">fn </span>deserialize_any<V>(<span class="self">self</span>, visitor: V) -> <span class="prelude-ty">Result</span><V::Value, <span class="kw">crate</span>::de::Error> |
| <span class="kw">where |
| </span>V: de::Visitor<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">match </span><span class="self">self </span>{ |
| Value::Boolean(v) => visitor.visit_bool(v), |
| Value::Integer(n) => visitor.visit_i64(n), |
| Value::Float(n) => visitor.visit_f64(n), |
| Value::String(v) => visitor.visit_string(v), |
| Value::Datetime(v) => visitor.visit_string(v.to_string()), |
| Value::Array(v) => { |
| <span class="kw">let </span>len = v.len(); |
| <span class="kw">let </span><span class="kw-2">mut </span>deserializer = SeqDeserializer::new(v); |
| <span class="kw">let </span>seq = visitor.visit_seq(<span class="kw-2">&mut </span>deserializer)<span class="question-mark">?</span>; |
| <span class="kw">let </span>remaining = deserializer.iter.len(); |
| <span class="kw">if </span>remaining == <span class="number">0 </span>{ |
| <span class="prelude-val">Ok</span>(seq) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(de::Error::invalid_length(len, <span class="kw-2">&</span><span class="string">"fewer elements in array"</span>)) |
| } |
| } |
| Value::Table(v) => { |
| <span class="kw">let </span>len = v.len(); |
| <span class="kw">let </span><span class="kw-2">mut </span>deserializer = MapDeserializer::new(v); |
| <span class="kw">let </span>map = visitor.visit_map(<span class="kw-2">&mut </span>deserializer)<span class="question-mark">?</span>; |
| <span class="kw">let </span>remaining = deserializer.iter.len(); |
| <span class="kw">if </span>remaining == <span class="number">0 </span>{ |
| <span class="prelude-val">Ok</span>(map) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(de::Error::invalid_length(len, <span class="kw-2">&</span><span class="string">"fewer elements in map"</span>)) |
| } |
| } |
| } |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>deserialize_enum<V>( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span>str, |
| _variants: <span class="kw-2">&</span><span class="lifetime">'static </span>[<span class="kw-2">&</span><span class="lifetime">'static </span>str], |
| visitor: V, |
| ) -> <span class="prelude-ty">Result</span><V::Value, <span class="kw">crate</span>::de::Error> |
| <span class="kw">where |
| </span>V: de::Visitor<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">match </span><span class="self">self </span>{ |
| Value::String(variant) => visitor.visit_enum(variant.into_deserializer()), |
| <span class="kw">_ </span>=> <span class="prelude-val">Err</span>(de::Error::invalid_type( |
| de::Unexpected::UnitVariant, |
| <span class="kw-2">&</span><span class="string">"string only"</span>, |
| )), |
| } |
| } |
| |
| <span class="comment">// `None` is interpreted as a missing field so be sure to implement `Some` |
| // as a present field. |
| </span><span class="kw">fn </span>deserialize_option<V>(<span class="self">self</span>, visitor: V) -> <span class="prelude-ty">Result</span><V::Value, <span class="kw">crate</span>::de::Error> |
| <span class="kw">where |
| </span>V: de::Visitor<<span class="lifetime">'de</span>>, |
| { |
| visitor.visit_some(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>deserialize_newtype_struct<V>( |
| <span class="self">self</span>, |
| _name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, |
| visitor: V, |
| ) -> <span class="prelude-ty">Result</span><V::Value, <span class="kw">crate</span>::de::Error> |
| <span class="kw">where |
| </span>V: de::Visitor<<span class="lifetime">'de</span>>, |
| { |
| visitor.visit_newtype_struct(<span class="self">self</span>) |
| } |
| |
| <span class="macro">serde::forward_to_deserialize_any! </span>{ |
| bool u8 u16 u32 u64 i8 i16 i32 i64 f32 f64 char str string unit seq |
| bytes byte_buf map unit_struct tuple_struct <span class="kw">struct |
| </span>tuple ignored_any identifier |
| } |
| } |
| |
| <span class="kw">struct </span>SeqDeserializer { |
| iter: vec::IntoIter<Value>, |
| } |
| |
| <span class="kw">impl </span>SeqDeserializer { |
| <span class="kw">fn </span>new(vec: Vec<Value>) -> <span class="self">Self </span>{ |
| SeqDeserializer { |
| iter: vec.into_iter(), |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> de::SeqAccess<<span class="lifetime">'de</span>> <span class="kw">for </span>SeqDeserializer { |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::de::Error; |
| |
| <span class="kw">fn </span>next_element_seed<T>(<span class="kw-2">&mut </span><span class="self">self</span>, seed: T) -> <span class="prelude-ty">Result</span><<span class="prelude-ty">Option</span><T::Value>, <span class="kw">crate</span>::de::Error> |
| <span class="kw">where |
| </span>T: de::DeserializeSeed<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">match </span><span class="self">self</span>.iter.next() { |
| <span class="prelude-val">Some</span>(value) => seed.deserialize(value).map(<span class="prelude-val">Some</span>), |
| <span class="prelude-val">None </span>=> <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>), |
| } |
| } |
| |
| <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><usize> { |
| <span class="kw">match </span><span class="self">self</span>.iter.size_hint() { |
| (lower, <span class="prelude-val">Some</span>(upper)) <span class="kw">if </span>lower == upper => <span class="prelude-val">Some</span>(upper), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| } |
| |
| <span class="kw">struct </span>MapDeserializer { |
| iter: <Map<String, Value> <span class="kw">as </span>IntoIterator>::IntoIter, |
| value: <span class="prelude-ty">Option</span><(String, Value)>, |
| } |
| |
| <span class="kw">impl </span>MapDeserializer { |
| <span class="kw">fn </span>new(map: Map<String, Value>) -> <span class="self">Self </span>{ |
| MapDeserializer { |
| iter: map.into_iter(), |
| value: <span class="prelude-val">None</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> de::MapAccess<<span class="lifetime">'de</span>> <span class="kw">for </span>MapDeserializer { |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::de::Error; |
| |
| <span class="kw">fn </span>next_key_seed<T>(<span class="kw-2">&mut </span><span class="self">self</span>, seed: T) -> <span class="prelude-ty">Result</span><<span class="prelude-ty">Option</span><T::Value>, <span class="kw">crate</span>::de::Error> |
| <span class="kw">where |
| </span>T: de::DeserializeSeed<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">match </span><span class="self">self</span>.iter.next() { |
| <span class="prelude-val">Some</span>((key, value)) => { |
| <span class="self">self</span>.value = <span class="prelude-val">Some</span>((key.clone(), value)); |
| seed.deserialize(Value::String(key)).map(<span class="prelude-val">Some</span>) |
| } |
| <span class="prelude-val">None </span>=> <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>), |
| } |
| } |
| |
| <span class="kw">fn </span>next_value_seed<T>(<span class="kw-2">&mut </span><span class="self">self</span>, seed: T) -> <span class="prelude-ty">Result</span><T::Value, <span class="kw">crate</span>::de::Error> |
| <span class="kw">where |
| </span>T: de::DeserializeSeed<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">let </span>(key, res) = <span class="kw">match </span><span class="self">self</span>.value.take() { |
| <span class="prelude-val">Some</span>((key, value)) => (key, seed.deserialize(value)), |
| <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(de::Error::custom(<span class="string">"value is missing"</span>)), |
| }; |
| res.map_err(|<span class="kw-2">mut </span>error| { |
| error.add_key_context(<span class="kw-2">&</span>key); |
| error |
| }) |
| } |
| |
| <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><usize> { |
| <span class="kw">match </span><span class="self">self</span>.iter.size_hint() { |
| (lower, <span class="prelude-val">Some</span>(upper)) <span class="kw">if </span>lower == upper => <span class="prelude-val">Some</span>(upper), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> de::IntoDeserializer<<span class="lifetime">'de</span>, <span class="kw">crate</span>::de::Error> <span class="kw">for </span>Value { |
| <span class="kw">type </span>Deserializer = <span class="self">Self</span>; |
| |
| <span class="kw">fn </span>into_deserializer(<span class="self">self</span>) -> <span class="self">Self </span>{ |
| <span class="self">self |
| </span>} |
| } |
| |
| <span class="kw">struct </span>Serializer; |
| |
| <span class="kw">impl </span>ser::Serializer <span class="kw">for </span>Serializer { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Value; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::ser::Error; |
| |
| <span class="kw">type </span>SerializeSeq = SerializeVec; |
| <span class="kw">type </span>SerializeTuple = SerializeVec; |
| <span class="kw">type </span>SerializeTupleStruct = SerializeVec; |
| <span class="kw">type </span>SerializeTupleVariant = SerializeVec; |
| <span class="kw">type </span>SerializeMap = SerializeMap; |
| <span class="kw">type </span>SerializeStruct = SerializeMap; |
| <span class="kw">type </span>SerializeStructVariant = ser::Impossible<Value, <span class="kw">crate</span>::ser::Error>; |
| |
| <span class="kw">fn </span>serialize_bool(<span class="self">self</span>, value: bool) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Ok</span>(Value::Boolean(value)) |
| } |
| |
| <span class="kw">fn </span>serialize_i8(<span class="self">self</span>, value: i8) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="self">self</span>.serialize_i64(value.into()) |
| } |
| |
| <span class="kw">fn </span>serialize_i16(<span class="self">self</span>, value: i16) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="self">self</span>.serialize_i64(value.into()) |
| } |
| |
| <span class="kw">fn </span>serialize_i32(<span class="self">self</span>, value: i32) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="self">self</span>.serialize_i64(value.into()) |
| } |
| |
| <span class="kw">fn </span>serialize_i64(<span class="self">self</span>, value: i64) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Ok</span>(Value::Integer(value)) |
| } |
| |
| <span class="kw">fn </span>serialize_u8(<span class="self">self</span>, value: u8) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="self">self</span>.serialize_i64(value.into()) |
| } |
| |
| <span class="kw">fn </span>serialize_u16(<span class="self">self</span>, value: u16) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="self">self</span>.serialize_i64(value.into()) |
| } |
| |
| <span class="kw">fn </span>serialize_u32(<span class="self">self</span>, value: u32) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="self">self</span>.serialize_i64(value.into()) |
| } |
| |
| <span class="kw">fn </span>serialize_u64(<span class="self">self</span>, value: u64) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="kw">if </span>value <= i64::max_value() <span class="kw">as </span>u64 { |
| <span class="self">self</span>.serialize_i64(value <span class="kw">as </span>i64) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(ser::Error::custom(<span class="string">"u64 value was too large"</span>)) |
| } |
| } |
| |
| <span class="kw">fn </span>serialize_f32(<span class="self">self</span>, value: f32) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="self">self</span>.serialize_f64(value.into()) |
| } |
| |
| <span class="kw">fn </span>serialize_f64(<span class="self">self</span>, value: f64) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Ok</span>(Value::Float(value)) |
| } |
| |
| <span class="kw">fn </span>serialize_char(<span class="self">self</span>, value: char) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="kw">let </span><span class="kw-2">mut </span>s = String::new(); |
| s.push(value); |
| <span class="self">self</span>.serialize_str(<span class="kw-2">&</span>s) |
| } |
| |
| <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><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Ok</span>(Value::String(value.to_owned())) |
| } |
| |
| <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><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="kw">let </span>vec = value.iter().map(|<span class="kw-2">&</span>b| Value::Integer(b.into())).collect(); |
| <span class="prelude-val">Ok</span>(Value::Array(vec)) |
| } |
| |
| <span class="kw">fn </span>serialize_unit(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Err</span>(<span class="kw">crate</span>::ser::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><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Err</span>(<span class="kw">crate</span>::ser::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><Value, <span class="kw">crate</span>::ser::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><Value, <span class="kw">crate</span>::ser::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><Value, <span class="kw">crate</span>::ser::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="prelude-val">Err</span>(<span class="kw">crate</span>::ser::Error::UnsupportedType) |
| } |
| |
| <span class="kw">fn </span>serialize_none(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Err</span>(<span class="kw">crate</span>::ser::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><Value, <span class="kw">crate</span>::ser::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| value.serialize(<span class="self">self</span>) |
| } |
| |
| <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="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Ok</span>(SerializeVec { |
| vec: Vec::with_capacity(len.unwrap_or(<span class="number">0</span>)), |
| }) |
| } |
| |
| <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="kw">crate</span>::ser::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="kw">crate</span>::ser::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="kw">crate</span>::ser::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="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Ok</span>(SerializeMap { |
| map: Map::new(), |
| next_key: <span class="prelude-val">None</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="kw">crate</span>::ser::Error> { |
| <span class="self">self</span>.serialize_map(<span class="prelude-val">Some</span>(len)) |
| } |
| |
| <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="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Err</span>(<span class="kw">crate</span>::ser::Error::UnsupportedType) |
| } |
| } |
| |
| <span class="kw">struct </span>SerializeVec { |
| vec: Vec<Value>, |
| } |
| |
| <span class="kw">struct </span>SerializeMap { |
| map: Map<String, Value>, |
| next_key: <span class="prelude-ty">Option</span><String>, |
| } |
| |
| <span class="kw">impl </span>ser::SerializeSeq <span class="kw">for </span>SerializeVec { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Value; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::ser::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><(), <span class="kw">crate</span>::ser::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="self">self</span>.vec.push(Value::try_from(value)<span class="question-mark">?</span>); |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Ok</span>(Value::Array(<span class="self">self</span>.vec)) |
| } |
| } |
| |
| <span class="kw">impl </span>ser::SerializeTuple <span class="kw">for </span>SerializeVec { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Value; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::ser::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><(), <span class="kw">crate</span>::ser::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><Value, <span class="kw">crate</span>::ser::Error> { |
| ser::SerializeSeq::end(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl </span>ser::SerializeTupleStruct <span class="kw">for </span>SerializeVec { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Value; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::ser::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><(), <span class="kw">crate</span>::ser::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><Value, <span class="kw">crate</span>::ser::Error> { |
| ser::SerializeSeq::end(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl </span>ser::SerializeTupleVariant <span class="kw">for </span>SerializeVec { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Value; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::ser::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><(), <span class="kw">crate</span>::ser::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><Value, <span class="kw">crate</span>::ser::Error> { |
| ser::SerializeSeq::end(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl </span>ser::SerializeMap <span class="kw">for </span>SerializeMap { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Value; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::ser::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>, key: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><(), <span class="kw">crate</span>::ser::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="kw">match </span>Value::try_from(key)<span class="question-mark">? </span>{ |
| Value::String(s) => <span class="self">self</span>.next_key = <span class="prelude-val">Some</span>(s), |
| <span class="kw">_ </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="kw">crate</span>::ser::Error::KeyNotString), |
| }; |
| <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><(), <span class="kw">crate</span>::ser::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| <span class="kw">let </span>key = <span class="self">self</span>.next_key.take(); |
| <span class="kw">let </span>key = key.expect(<span class="string">"serialize_value called before serialize_key"</span>); |
| <span class="kw">match </span>Value::try_from(value) { |
| <span class="prelude-val">Ok</span>(value) => { |
| <span class="self">self</span>.map.insert(key, value); |
| } |
| <span class="prelude-val">Err</span>(<span class="kw">crate</span>::ser::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><Value, <span class="kw">crate</span>::ser::Error> { |
| <span class="prelude-val">Ok</span>(Value::Table(<span class="self">self</span>.map)) |
| } |
| } |
| |
| <span class="kw">impl </span>ser::SerializeStruct <span class="kw">for </span>SerializeMap { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= Value; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::ser::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><(), <span class="kw">crate</span>::ser::Error> |
| <span class="kw">where |
| </span>T: ser::Serialize, |
| { |
| ser::SerializeMap::serialize_key(<span class="self">self</span>, key)<span class="question-mark">?</span>; |
| ser::SerializeMap::serialize_value(<span class="self">self</span>, value) |
| } |
| |
| <span class="kw">fn </span>end(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><Value, <span class="kw">crate</span>::ser::Error> { |
| ser::SerializeMap::end(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">struct </span>DatetimeOrTable<<span class="lifetime">'a</span>> { |
| key: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>String, |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'de</span>> de::DeserializeSeed<<span class="lifetime">'de</span>> <span class="kw">for </span>DatetimeOrTable<<span class="lifetime">'a</span>> { |
| <span class="kw">type </span>Value = bool; |
| |
| <span class="kw">fn </span>deserialize<D>(<span class="self">self</span>, deserializer: D) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Value, D::Error> |
| <span class="kw">where |
| </span>D: de::Deserializer<<span class="lifetime">'de</span>>, |
| { |
| deserializer.deserialize_any(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'de</span>> de::Visitor<<span class="lifetime">'de</span>> <span class="kw">for </span>DatetimeOrTable<<span class="lifetime">'a</span>> { |
| <span class="kw">type </span>Value = bool; |
| |
| <span class="kw">fn </span>expecting(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| formatter.write_str(<span class="string">"a string key"</span>) |
| } |
| |
| <span class="kw">fn </span>visit_str<E>(<span class="self">self</span>, s: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><bool, E> |
| <span class="kw">where |
| </span>E: de::Error, |
| { |
| <span class="kw">if </span>s == datetime::FIELD { |
| <span class="prelude-val">Ok</span>(<span class="bool-val">true</span>) |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.key.push_str(s); |
| <span class="prelude-val">Ok</span>(<span class="bool-val">false</span>) |
| } |
| } |
| |
| <span class="kw">fn </span>visit_string<E>(<span class="self">self</span>, s: String) -> <span class="prelude-ty">Result</span><bool, E> |
| <span class="kw">where |
| </span>E: de::Error, |
| { |
| <span class="kw">if </span>s == datetime::FIELD { |
| <span class="prelude-val">Ok</span>(<span class="bool-val">true</span>) |
| } <span class="kw">else </span>{ |
| <span class="kw-2">*</span><span class="self">self</span>.key = s; |
| <span class="prelude-val">Ok</span>(<span class="bool-val">false</span>) |
| } |
| } |
| } |
| </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> |
