| <!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/clap-2.34.0/src/completions/powershell.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>powershell.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="../../../clap/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="../../../clap/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="comment">// Std |
| </span><span class="kw">use </span>std::io::Write; |
| |
| <span class="comment">// Internal |
| </span><span class="kw">use crate</span>::{app::parser::Parser, INTERNAL_ERROR_MSG}; |
| |
| <span class="kw">pub struct </span>PowerShellGen<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> |
| <span class="kw">where |
| </span><span class="lifetime">'a</span>: <span class="lifetime">'b</span>, |
| { |
| p: <span class="kw-2">&</span><span class="lifetime">'b </span>Parser<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>, |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> PowerShellGen<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> { |
| <span class="kw">pub fn </span>new(p: <span class="kw-2">&</span><span class="lifetime">'b </span>Parser<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>) -> <span class="self">Self </span>{ |
| PowerShellGen { p } |
| } |
| |
| <span class="kw">pub fn </span>generate_to<W: Write>(<span class="kw-2">&</span><span class="self">self</span>, buf: <span class="kw-2">&mut </span>W) { |
| <span class="kw">let </span>bin_name = <span class="self">self</span>.p.meta.bin_name.as_ref().unwrap(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>names = <span class="macro">vec!</span>[]; |
| <span class="kw">let </span>subcommands_cases = generate_inner(<span class="self">self</span>.p, <span class="string">""</span>, <span class="kw-2">&mut </span>names); |
| |
| <span class="kw">let </span>result = <span class="macro">format!</span>( |
| <span class="string">r#" |
| using namespace System.Management.Automation |
| using namespace System.Management.Automation.Language |
| |
| Register-ArgumentCompleter -Native -CommandName '{bin_name}' -ScriptBlock {{ |
| param($wordToComplete, $commandAst, $cursorPosition) |
| |
| $commandElements = $commandAst.CommandElements |
| $command = @( |
| '{bin_name}' |
| for ($i = 1; $i -lt $commandElements.Count; $i++) {{ |
| $element = $commandElements[$i] |
| if ($element -isnot [StringConstantExpressionAst] -or |
| $element.StringConstantType -ne [StringConstantType]::BareWord -or |
| $element.Value.StartsWith('-')) {{ |
| break |
| }} |
| $element.Value |
| }}) -join ';' |
| |
| $completions = @(switch ($command) {{{subcommands_cases} |
| }}) |
| |
| $completions.Where{{ $_.CompletionText -like "$wordToComplete*" }} | |
| Sort-Object -Property ListItemText |
| }} |
| "#</span>, |
| bin_name = bin_name, |
| subcommands_cases = subcommands_cases |
| ); |
| |
| <span class="macro">w!</span>(buf, result.as_bytes()); |
| } |
| } |
| |
| <span class="comment">// Escape string inside single quotes |
| </span><span class="kw">fn </span>escape_string(string: <span class="kw-2">&</span>str) -> String { |
| string.replace(<span class="string">"'"</span>, <span class="string">"''"</span>) |
| } |
| |
| <span class="kw">fn </span>get_tooltip<T: ToString>(help: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>, data: T) -> String { |
| <span class="kw">match </span>help { |
| <span class="prelude-val">Some</span>(help) => escape_string(help), |
| <span class="kw">_ </span>=> data.to_string(), |
| } |
| } |
| |
| <span class="kw">fn </span>generate_inner<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>, <span class="lifetime">'p</span>>( |
| p: <span class="kw-2">&</span><span class="lifetime">'p </span>Parser<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>, |
| previous_command_name: <span class="kw-2">&</span>str, |
| names: <span class="kw-2">&mut </span>Vec<<span class="kw-2">&</span><span class="lifetime">'p </span>str>, |
| ) -> String { |
| <span class="macro">debugln!</span>(<span class="string">"PowerShellGen::generate_inner;"</span>); |
| <span class="kw">let </span>command_name = <span class="kw">if </span>previous_command_name.is_empty() { |
| p.meta.bin_name.as_ref().expect(INTERNAL_ERROR_MSG).clone() |
| } <span class="kw">else </span>{ |
| <span class="macro">format!</span>(<span class="string">"{};{}"</span>, previous_command_name, <span class="kw-2">&</span>p.meta.name) |
| }; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>completions = String::new(); |
| <span class="kw">let </span>preamble = String::from(<span class="string">"\n [CompletionResult]::new("</span>); |
| |
| <span class="kw">for </span>option <span class="kw">in </span>p.opts() { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(data) = option.s.short { |
| <span class="kw">let </span>tooltip = get_tooltip(option.b.help, data); |
| completions.push_str(<span class="kw-2">&</span>preamble); |
| completions.push_str( |
| <span class="macro">format!</span>( |
| <span class="string">"'-{}', '{}', {}, '{}')"</span>, |
| data, data, <span class="string">"[CompletionResultType]::ParameterName"</span>, tooltip |
| ) |
| .as_str(), |
| ); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(data) = option.s.long { |
| <span class="kw">let </span>tooltip = get_tooltip(option.b.help, data); |
| completions.push_str(<span class="kw-2">&</span>preamble); |
| completions.push_str( |
| <span class="macro">format!</span>( |
| <span class="string">"'--{}', '{}', {}, '{}')"</span>, |
| data, data, <span class="string">"[CompletionResultType]::ParameterName"</span>, tooltip |
| ) |
| .as_str(), |
| ); |
| } |
| } |
| |
| <span class="kw">for </span>flag <span class="kw">in </span>p.flags() { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(data) = flag.s.short { |
| <span class="kw">let </span>tooltip = get_tooltip(flag.b.help, data); |
| completions.push_str(<span class="kw-2">&</span>preamble); |
| completions.push_str( |
| <span class="macro">format!</span>( |
| <span class="string">"'-{}', '{}', {}, '{}')"</span>, |
| data, data, <span class="string">"[CompletionResultType]::ParameterName"</span>, tooltip |
| ) |
| .as_str(), |
| ); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(data) = flag.s.long { |
| <span class="kw">let </span>tooltip = get_tooltip(flag.b.help, data); |
| completions.push_str(<span class="kw-2">&</span>preamble); |
| completions.push_str( |
| <span class="macro">format!</span>( |
| <span class="string">"'--{}', '{}', {}, '{}')"</span>, |
| data, data, <span class="string">"[CompletionResultType]::ParameterName"</span>, tooltip |
| ) |
| .as_str(), |
| ); |
| } |
| } |
| |
| <span class="kw">for </span>subcommand <span class="kw">in </span><span class="kw-2">&</span>p.subcommands { |
| <span class="kw">let </span>data = <span class="kw-2">&</span>subcommand.p.meta.name; |
| <span class="kw">let </span>tooltip = get_tooltip(subcommand.p.meta.about, data); |
| completions.push_str(<span class="kw-2">&</span>preamble); |
| completions.push_str( |
| <span class="macro">format!</span>( |
| <span class="string">"'{}', '{}', {}, '{}')"</span>, |
| data, data, <span class="string">"[CompletionResultType]::ParameterValue"</span>, tooltip |
| ) |
| .as_str(), |
| ); |
| } |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>subcommands_cases = <span class="macro">format!</span>( |
| <span class="string">r" |
| '{}' {{{} |
| break |
| }}"</span>, |
| <span class="kw-2">&</span>command_name, completions |
| ); |
| |
| <span class="kw">for </span>subcommand <span class="kw">in </span><span class="kw-2">&</span>p.subcommands { |
| <span class="kw">let </span>subcommand_subcommands_cases = generate_inner(<span class="kw-2">&</span>subcommand.p, <span class="kw-2">&</span>command_name, names); |
| subcommands_cases.push_str(<span class="kw-2">&</span>subcommand_subcommands_cases); |
| } |
| |
| subcommands_cases |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="clap" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |