| <!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/git/checkouts/tantivy-65d0bbbddbbd5d02/433372d/query-grammar/src/user_input_ast.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>user_input_ast.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="../../tantivy_query_grammar/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="../../tantivy_query_grammar/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="kw">use </span>std::fmt; |
| <span class="kw">use </span>std::fmt::{Debug, Formatter}; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::Occur; |
| |
| <span class="attribute">#[derive(PartialEq)] |
| </span><span class="kw">pub enum </span>UserInputLeaf { |
| Literal(UserInputLiteral), |
| All, |
| Range { |
| field: <span class="prelude-ty">Option</span><String>, |
| lower: UserInputBound, |
| upper: UserInputBound, |
| }, |
| Set { |
| field: <span class="prelude-ty">Option</span><String>, |
| elements: Vec<String>, |
| }, |
| } |
| |
| <span class="kw">impl </span>Debug <span class="kw">for </span>UserInputLeaf { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>Formatter<<span class="lifetime">'_</span>>) -> <span class="prelude-ty">Result</span><(), fmt::Error> { |
| <span class="kw">match </span><span class="self">self </span>{ |
| UserInputLeaf::Literal(literal) => literal.fmt(formatter), |
| UserInputLeaf::Range { |
| <span class="kw-2">ref </span>field, |
| <span class="kw-2">ref </span>lower, |
| <span class="kw-2">ref </span>upper, |
| } => { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>field) = field { |
| <span class="macro">write!</span>(formatter, <span class="string">"\"{}\":"</span>, field)<span class="question-mark">?</span>; |
| } |
| lower.display_lower(formatter)<span class="question-mark">?</span>; |
| <span class="macro">write!</span>(formatter, <span class="string">" TO "</span>)<span class="question-mark">?</span>; |
| upper.display_upper(formatter)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| UserInputLeaf::Set { field, elements } => { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>field) = field { |
| <span class="macro">write!</span>(formatter, <span class="string">"\"{}\": "</span>, field)<span class="question-mark">?</span>; |
| } |
| <span class="macro">write!</span>(formatter, <span class="string">"IN ["</span>)<span class="question-mark">?</span>; |
| <span class="kw">for </span>(i, element) <span class="kw">in </span>elements.iter().enumerate() { |
| <span class="kw">if </span>i != <span class="number">0 </span>{ |
| <span class="macro">write!</span>(formatter, <span class="string">" "</span>)<span class="question-mark">?</span>; |
| } |
| <span class="macro">write!</span>(formatter, <span class="string">"\"{}\""</span>, element)<span class="question-mark">?</span>; |
| } |
| <span class="macro">write!</span>(formatter, <span class="string">"]"</span>) |
| } |
| UserInputLeaf::All => <span class="macro">write!</span>(formatter, <span class="string">"*"</span>), |
| } |
| } |
| } |
| |
| <span class="attribute">#[derive(PartialEq)] |
| </span><span class="kw">pub struct </span>UserInputLiteral { |
| <span class="kw">pub </span>field_name: <span class="prelude-ty">Option</span><String>, |
| <span class="kw">pub </span>phrase: String, |
| <span class="kw">pub </span>slop: u32, |
| } |
| |
| <span class="kw">impl </span>fmt::Debug <span class="kw">for </span>UserInputLiteral { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> <span class="prelude-ty">Result</span><(), fmt::Error> { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>field) = <span class="self">self</span>.field_name { |
| <span class="macro">write!</span>(formatter, <span class="string">"\"{}\":"</span>, field)<span class="question-mark">?</span>; |
| } |
| <span class="macro">write!</span>(formatter, <span class="string">"\"{}\""</span>, <span class="self">self</span>.phrase)<span class="question-mark">?</span>; |
| <span class="kw">if </span><span class="self">self</span>.slop > <span class="number">0 </span>{ |
| <span class="macro">write!</span>(formatter, <span class="string">"~{}"</span>, <span class="self">self</span>.slop)<span class="question-mark">?</span>; |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| |
| <span class="attribute">#[derive(PartialEq)] |
| </span><span class="kw">pub enum </span>UserInputBound { |
| Inclusive(String), |
| Exclusive(String), |
| Unbounded, |
| } |
| |
| <span class="kw">impl </span>UserInputBound { |
| <span class="kw">fn </span>display_lower(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter) -> <span class="prelude-ty">Result</span><(), fmt::Error> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| UserInputBound::Inclusive(<span class="kw-2">ref </span>word) => <span class="macro">write!</span>(formatter, <span class="string">"[\"{}\""</span>, word), |
| UserInputBound::Exclusive(<span class="kw-2">ref </span>word) => <span class="macro">write!</span>(formatter, <span class="string">"{{\"{}\""</span>, word), |
| UserInputBound::Unbounded => <span class="macro">write!</span>(formatter, <span class="string">"{{\"*\""</span>), |
| } |
| } |
| |
| <span class="kw">fn </span>display_upper(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter) -> <span class="prelude-ty">Result</span><(), fmt::Error> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| UserInputBound::Inclusive(<span class="kw-2">ref </span>word) => <span class="macro">write!</span>(formatter, <span class="string">"\"{}\"]"</span>, word), |
| UserInputBound::Exclusive(<span class="kw-2">ref </span>word) => <span class="macro">write!</span>(formatter, <span class="string">"\"{}\"}}"</span>, word), |
| UserInputBound::Unbounded => <span class="macro">write!</span>(formatter, <span class="string">"\"*\"}}"</span>), |
| } |
| } |
| |
| <span class="kw">pub fn </span>term_str(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| UserInputBound::Inclusive(<span class="kw-2">ref </span>contents) => contents, |
| UserInputBound::Exclusive(<span class="kw-2">ref </span>contents) => contents, |
| UserInputBound::Unbounded => <span class="string">"*"</span>, |
| } |
| } |
| } |
| |
| <span class="kw">pub enum </span>UserInputAst { |
| Clause(Vec<(<span class="prelude-ty">Option</span><Occur>, UserInputAst)>), |
| Leaf(Box<UserInputLeaf>), |
| Boost(Box<UserInputAst>, f64), |
| } |
| |
| <span class="kw">impl </span>UserInputAst { |
| <span class="attribute">#[must_use] |
| </span><span class="kw">pub fn </span>unary(<span class="self">self</span>, occur: Occur) -> UserInputAst { |
| UserInputAst::Clause(<span class="macro">vec!</span>[(<span class="prelude-val">Some</span>(occur), <span class="self">self</span>)]) |
| } |
| |
| <span class="kw">fn </span>compose(occur: Occur, asts: Vec<UserInputAst>) -> UserInputAst { |
| <span class="macro">assert_ne!</span>(occur, Occur::MustNot); |
| <span class="macro">assert!</span>(!asts.is_empty()); |
| <span class="kw">if </span>asts.len() == <span class="number">1 </span>{ |
| asts.into_iter().next().unwrap() <span class="comment">//< safe |
| </span>} <span class="kw">else </span>{ |
| UserInputAst::Clause( |
| asts.into_iter() |
| .map(|ast: UserInputAst| (<span class="prelude-val">Some</span>(occur), ast)) |
| .collect::<Vec<<span class="kw">_</span>>>(), |
| ) |
| } |
| } |
| |
| <span class="kw">pub fn </span>empty_query() -> UserInputAst { |
| UserInputAst::Clause(Vec::default()) |
| } |
| |
| <span class="kw">pub fn </span>and(asts: Vec<UserInputAst>) -> UserInputAst { |
| UserInputAst::compose(Occur::Must, asts) |
| } |
| |
| <span class="kw">pub fn </span>or(asts: Vec<UserInputAst>) -> UserInputAst { |
| UserInputAst::compose(Occur::Should, asts) |
| } |
| } |
| |
| <span class="kw">impl </span>From<UserInputLiteral> <span class="kw">for </span>UserInputLeaf { |
| <span class="kw">fn </span>from(literal: UserInputLiteral) -> UserInputLeaf { |
| UserInputLeaf::Literal(literal) |
| } |
| } |
| |
| <span class="kw">impl </span>From<UserInputLeaf> <span class="kw">for </span>UserInputAst { |
| <span class="kw">fn </span>from(leaf: UserInputLeaf) -> UserInputAst { |
| UserInputAst::Leaf(Box::new(leaf)) |
| } |
| } |
| |
| <span class="kw">fn </span>print_occur_ast( |
| occur_opt: <span class="prelude-ty">Option</span><Occur>, |
| ast: <span class="kw-2">&</span>UserInputAst, |
| formatter: <span class="kw-2">&mut </span>fmt::Formatter, |
| ) -> fmt::Result { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(occur) = occur_opt { |
| <span class="macro">write!</span>(formatter, <span class="string">"{}{:?}"</span>, occur, ast)<span class="question-mark">?</span>; |
| } <span class="kw">else </span>{ |
| <span class="macro">write!</span>(formatter, <span class="string">"*{:?}"</span>, ast)<span class="question-mark">?</span>; |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">impl </span>fmt::Debug <span class="kw">for </span>UserInputAst { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| UserInputAst::Clause(<span class="kw-2">ref </span>subqueries) => { |
| <span class="kw">if </span>subqueries.is_empty() { |
| <span class="macro">write!</span>(formatter, <span class="string">"<emptyclause>"</span>)<span class="question-mark">?</span>; |
| } <span class="kw">else </span>{ |
| <span class="macro">write!</span>(formatter, <span class="string">"("</span>)<span class="question-mark">?</span>; |
| print_occur_ast(subqueries[<span class="number">0</span>].<span class="number">0</span>, <span class="kw-2">&</span>subqueries[<span class="number">0</span>].<span class="number">1</span>, formatter)<span class="question-mark">?</span>; |
| <span class="kw">for </span>subquery <span class="kw">in </span><span class="kw-2">&</span>subqueries[<span class="number">1</span>..] { |
| <span class="macro">write!</span>(formatter, <span class="string">" "</span>)<span class="question-mark">?</span>; |
| print_occur_ast(subquery.<span class="number">0</span>, <span class="kw-2">&</span>subquery.<span class="number">1</span>, formatter)<span class="question-mark">?</span>; |
| } |
| <span class="macro">write!</span>(formatter, <span class="string">")"</span>)<span class="question-mark">?</span>; |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| UserInputAst::Leaf(<span class="kw-2">ref </span>subquery) => <span class="macro">write!</span>(formatter, <span class="string">"{:?}"</span>, subquery), |
| UserInputAst::Boost(<span class="kw-2">ref </span>leaf, boost) => <span class="macro">write!</span>(formatter, <span class="string">"({:?})^{}"</span>, leaf, boost), |
| } |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="tantivy_query_grammar" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
