| <!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/app/parser.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>parser.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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| <span id="2109">2109</span> |
| <span id="2110">2110</span> |
| <span id="2111">2111</span> |
| <span id="2112">2112</span> |
| <span id="2113">2113</span> |
| <span id="2114">2114</span> |
| <span id="2115">2115</span> |
| <span id="2116">2116</span> |
| <span id="2117">2117</span> |
| <span id="2118">2118</span> |
| <span id="2119">2119</span> |
| <span id="2120">2120</span> |
| <span id="2121">2121</span> |
| <span id="2122">2122</span> |
| <span id="2123">2123</span> |
| <span id="2124">2124</span> |
| <span id="2125">2125</span> |
| <span id="2126">2126</span> |
| <span id="2127">2127</span> |
| <span id="2128">2128</span> |
| <span id="2129">2129</span> |
| <span id="2130">2130</span> |
| <span id="2131">2131</span> |
| <span id="2132">2132</span> |
| <span id="2133">2133</span> |
| <span id="2134">2134</span> |
| <span id="2135">2135</span> |
| <span id="2136">2136</span> |
| <span id="2137">2137</span> |
| <span id="2138">2138</span> |
| <span id="2139">2139</span> |
| <span id="2140">2140</span> |
| <span id="2141">2141</span> |
| <span id="2142">2142</span> |
| <span id="2143">2143</span> |
| <span id="2144">2144</span> |
| <span id="2145">2145</span> |
| <span id="2146">2146</span> |
| <span id="2147">2147</span> |
| <span id="2148">2148</span> |
| <span id="2149">2149</span> |
| <span id="2150">2150</span> |
| <span id="2151">2151</span> |
| <span id="2152">2152</span> |
| <span id="2153">2153</span> |
| <span id="2154">2154</span> |
| <span id="2155">2155</span> |
| <span id="2156">2156</span> |
| <span id="2157">2157</span> |
| <span id="2158">2158</span> |
| <span id="2159">2159</span> |
| <span id="2160">2160</span> |
| <span id="2161">2161</span> |
| <span id="2162">2162</span> |
| <span id="2163">2163</span> |
| <span id="2164">2164</span> |
| <span id="2165">2165</span> |
| <span id="2166">2166</span> |
| <span id="2167">2167</span> |
| <span id="2168">2168</span> |
| <span id="2169">2169</span> |
| <span id="2170">2170</span> |
| <span id="2171">2171</span> |
| <span id="2172">2172</span> |
| <span id="2173">2173</span> |
| <span id="2174">2174</span> |
| <span id="2175">2175</span> |
| <span id="2176">2176</span> |
| <span id="2177">2177</span> |
| <span id="2178">2178</span> |
| <span id="2179">2179</span> |
| <span id="2180">2180</span> |
| <span id="2181">2181</span> |
| <span id="2182">2182</span> |
| <span id="2183">2183</span> |
| <span id="2184">2184</span> |
| <span id="2185">2185</span> |
| <span id="2186">2186</span> |
| <span id="2187">2187</span> |
| <span id="2188">2188</span> |
| <span id="2189">2189</span> |
| <span id="2190">2190</span> |
| <span id="2191">2191</span> |
| <span id="2192">2192</span> |
| <span id="2193">2193</span> |
| <span id="2194">2194</span> |
| <span id="2195">2195</span> |
| <span id="2196">2196</span> |
| <span id="2197">2197</span> |
| <span id="2198">2198</span> |
| <span id="2199">2199</span> |
| <span id="2200">2200</span> |
| <span id="2201">2201</span> |
| <span id="2202">2202</span> |
| <span id="2203">2203</span> |
| <span id="2204">2204</span> |
| <span id="2205">2205</span> |
| <span id="2206">2206</span> |
| <span id="2207">2207</span> |
| <span id="2208">2208</span> |
| <span id="2209">2209</span> |
| <span id="2210">2210</span> |
| <span id="2211">2211</span> |
| <span id="2212">2212</span> |
| <span id="2213">2213</span> |
| <span id="2214">2214</span> |
| <span id="2215">2215</span> |
| <span id="2216">2216</span> |
| <span id="2217">2217</span> |
| <span id="2218">2218</span> |
| <span id="2219">2219</span> |
| <span id="2220">2220</span> |
| <span id="2221">2221</span> |
| <span id="2222">2222</span> |
| <span id="2223">2223</span> |
| <span id="2224">2224</span> |
| <span id="2225">2225</span> |
| <span id="2226">2226</span> |
| <span id="2227">2227</span> |
| <span id="2228">2228</span> |
| <span id="2229">2229</span> |
| <span id="2230">2230</span> |
| <span id="2231">2231</span> |
| <span id="2232">2232</span> |
| <span id="2233">2233</span> |
| <span id="2234">2234</span> |
| <span id="2235">2235</span> |
| <span id="2236">2236</span> |
| </pre><pre class="rust"><code><span class="comment">// Std |
| </span><span class="attribute">#[cfg(not(any(target_os = <span class="string">"windows"</span>, target_arch = <span class="string">"wasm32"</span>)))] |
| </span><span class="kw">use </span>std::os::unix::ffi::OsStrExt; |
| <span class="kw">use </span>std::{ |
| cell::Cell, |
| ffi::{OsStr, OsString}, |
| fmt::Display, |
| fs::File, |
| io::{<span class="self">self</span>, BufWriter, Write}, |
| iter::Peekable, |
| path::PathBuf, |
| slice::Iter, |
| }; |
| |
| <span class="comment">// Internal |
| </span><span class="attribute">#[cfg(all(feature = <span class="string">"debug"</span>, any(target_os = <span class="string">"windows"</span>, target_arch = <span class="string">"wasm32"</span>)))] |
| </span><span class="kw">use </span><span class="kw">crate</span>::osstringext::OsStrExt3; |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"windows"</span>, target_arch = <span class="string">"wasm32"</span>))] |
| </span><span class="kw">use </span><span class="kw">crate</span>::osstringext::OsStrExt3; |
| <span class="kw">use crate</span>::{ |
| app::{ |
| help::Help, meta::AppMeta, settings::AppFlags, settings::AppSettings <span class="kw">as </span>AS, usage, |
| validator::Validator, App, |
| }, |
| args::{ |
| settings::ArgSettings, AnyArg, Arg, ArgGroup, ArgMatcher, Base, FlagBuilder, OptBuilder, |
| PosBuilder, Switched, |
| }, |
| completions::{ComplGen, Shell}, |
| errors::Result <span class="kw">as </span>ClapResult, |
| errors::{Error, ErrorKind}, |
| fmt::ColorWhen, |
| map::{<span class="self">self</span>, VecMap}, |
| osstringext::OsStrExt2, |
| suggestions, SubCommand, INTERNAL_ERROR_MSG, INVALID_UTF8, |
| }; |
| |
| <span class="attribute">#[derive(Debug, PartialEq, Copy, Clone)] |
| #[doc(hidden)] |
| </span><span class="kw">pub enum </span>ParseResult<<span class="lifetime">'a</span>> { |
| Flag, |
| Opt(<span class="kw-2">&</span><span class="lifetime">'a </span>str), |
| Pos(<span class="kw-2">&</span><span class="lifetime">'a </span>str), |
| MaybeHyphenValue, |
| MaybeNegNum, |
| NotFound, |
| ValuesDone, |
| } |
| |
| <span class="attribute">#[allow(missing_debug_implementations)] |
| #[doc(hidden)] |
| #[derive(Clone, Default)] |
| </span><span class="kw">pub struct </span>Parser<<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>, |
| { |
| <span class="kw">pub </span>meta: AppMeta<<span class="lifetime">'b</span>>, |
| settings: AppFlags, |
| <span class="kw">pub </span>g_settings: AppFlags, |
| <span class="kw">pub </span>flags: Vec<FlagBuilder<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>>, |
| <span class="kw">pub </span>opts: Vec<OptBuilder<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>>, |
| <span class="kw">pub </span>positionals: VecMap<PosBuilder<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>>, |
| <span class="kw">pub </span>subcommands: Vec<App<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>>, |
| <span class="kw">pub </span>groups: Vec<ArgGroup<<span class="lifetime">'a</span>>>, |
| <span class="kw">pub </span>global_args: Vec<Arg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>>, |
| <span class="kw">pub </span>required: Vec<<span class="kw-2">&</span><span class="lifetime">'a </span>str>, |
| <span class="kw">pub </span>r_ifs: Vec<(<span class="kw-2">&</span><span class="lifetime">'a </span>str, <span class="kw-2">&</span><span class="lifetime">'b </span>str, <span class="kw-2">&</span><span class="lifetime">'a </span>str)>, |
| <span class="kw">pub </span>overrides: Vec<(<span class="kw-2">&</span><span class="lifetime">'b </span>str, <span class="kw-2">&</span><span class="lifetime">'a </span>str)>, |
| help_short: <span class="prelude-ty">Option</span><char>, |
| version_short: <span class="prelude-ty">Option</span><char>, |
| cache: <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span>str>, |
| <span class="kw">pub </span>help_message: <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span>str>, |
| <span class="kw">pub </span>version_message: <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span>str>, |
| cur_idx: Cell<usize>, |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> Parser<<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>, |
| { |
| <span class="kw">pub fn </span>with_name(n: String) -> <span class="self">Self </span>{ |
| Parser { |
| meta: AppMeta::with_name(n), |
| g_settings: AppFlags::zeroed(), |
| cur_idx: Cell::new(<span class="number">0</span>), |
| ..Default::default() |
| } |
| } |
| |
| <span class="kw">pub fn </span>help_short(<span class="kw-2">&mut </span><span class="self">self</span>, s: <span class="kw-2">&</span>str) { |
| <span class="kw">let </span>c = s |
| .trim_left_matches(|c| c == <span class="string">'-'</span>) |
| .chars() |
| .next() |
| .unwrap_or(<span class="string">'h'</span>); |
| <span class="self">self</span>.help_short = <span class="prelude-val">Some</span>(c); |
| } |
| |
| <span class="kw">pub fn </span>version_short(<span class="kw-2">&mut </span><span class="self">self</span>, s: <span class="kw-2">&</span>str) { |
| <span class="kw">let </span>c = s |
| .trim_left_matches(|c| c == <span class="string">'-'</span>) |
| .chars() |
| .next() |
| .unwrap_or(<span class="string">'V'</span>); |
| <span class="self">self</span>.version_short = <span class="prelude-val">Some</span>(c); |
| } |
| |
| <span class="kw">pub fn </span>gen_completions_to<W: Write>(<span class="kw-2">&mut </span><span class="self">self</span>, for_shell: Shell, buf: <span class="kw-2">&mut </span>W) { |
| <span class="kw">if </span>!<span class="self">self</span>.is_set(AS::Propagated) { |
| <span class="self">self</span>.propagate_help_version(); |
| <span class="self">self</span>.build_bin_names(); |
| <span class="self">self</span>.propagate_globals(); |
| <span class="self">self</span>.propagate_settings(); |
| <span class="self">self</span>.set(AS::Propagated); |
| } |
| |
| ComplGen::new(<span class="self">self</span>).generate(for_shell, buf) |
| } |
| |
| <span class="kw">pub fn </span>gen_completions(<span class="kw-2">&mut </span><span class="self">self</span>, for_shell: Shell, od: OsString) { |
| <span class="kw">use </span>std::error::Error; |
| |
| <span class="kw">let </span>out_dir = PathBuf::from(od); |
| <span class="kw">let </span>name = <span class="kw-2">&*</span><span class="self">self</span>.meta.bin_name.as_ref().unwrap().clone(); |
| <span class="kw">let </span>file_name = <span class="kw">match </span>for_shell { |
| Shell::Bash => <span class="macro">format!</span>(<span class="string">"{}.bash"</span>, name), |
| Shell::Fish => <span class="macro">format!</span>(<span class="string">"{}.fish"</span>, name), |
| Shell::Zsh => <span class="macro">format!</span>(<span class="string">"_{}"</span>, name), |
| Shell::PowerShell => <span class="macro">format!</span>(<span class="string">"_{}.ps1"</span>, name), |
| Shell::Elvish => <span class="macro">format!</span>(<span class="string">"{}.elv"</span>, name), |
| }; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>file = <span class="kw">match </span>File::create(out_dir.join(file_name)) { |
| <span class="prelude-val">Err</span>(why) => <span class="macro">panic!</span>(<span class="string">"couldn't create completion file: {}"</span>, why.description()), |
| <span class="prelude-val">Ok</span>(file) => file, |
| }; |
| <span class="self">self</span>.gen_completions_to(for_shell, <span class="kw-2">&mut </span>file) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>app_debug_asserts(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">assert!</span>(<span class="self">self</span>.verify_positionals()); |
| <span class="kw">let </span>should_err = <span class="self">self</span>.groups.iter().all(|g| { |
| g.args.iter().all(|arg| { |
| <span class="self">self</span>.flags.iter().any(|f| <span class="kw-2">&</span>f.b.name == arg) |
| || <span class="self">self</span>.opts.iter().any(|o| <span class="kw-2">&</span>o.b.name == arg) |
| || <span class="self">self</span>.positionals.values().any(|p| <span class="kw-2">&</span>p.b.name == arg) |
| || <span class="self">self</span>.groups.iter().any(|g| <span class="kw-2">&</span>g.name == arg) |
| }) |
| }); |
| <span class="kw">let </span>g = <span class="self">self</span>.groups.iter().find(|g| { |
| g.args.iter().any(|arg| { |
| !(<span class="self">self</span>.flags.iter().any(|f| <span class="kw-2">&</span>f.b.name == arg) |
| || <span class="self">self</span>.opts.iter().any(|o| <span class="kw-2">&</span>o.b.name == arg) |
| || <span class="self">self</span>.positionals.values().any(|p| <span class="kw-2">&</span>p.b.name == arg) |
| || <span class="self">self</span>.groups.iter().any(|g| <span class="kw-2">&</span>g.name == arg)) |
| }) |
| }); |
| <span class="macro">assert!</span>( |
| should_err, |
| <span class="string">"The group '{}' contains the arg '{}' that doesn't actually exist."</span>, |
| g.unwrap().name, |
| g.unwrap() |
| .args |
| .iter() |
| .find(|arg| !(<span class="self">self</span>.flags.iter().any(|f| &&f.b.name == arg) |
| || <span class="self">self</span>.opts.iter().any(|o| &&o.b.name == arg) |
| || <span class="self">self</span>.positionals.values().any(|p| &&p.b.name == arg) |
| || <span class="self">self</span>.groups.iter().any(|g| &&g.name == arg))) |
| .unwrap() |
| ); |
| <span class="bool-val">true |
| </span>} |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>debug_asserts(<span class="kw-2">&</span><span class="self">self</span>, a: <span class="kw-2">&</span>Arg) -> bool { |
| <span class="macro">assert!</span>( |
| !<span class="macro">arg_names!</span>(<span class="self">self</span>).any(|name| name == a.b.name), |
| <span class="string">"Non-unique argument name: {} is already in use"</span>, |
| a.b.name |
| ); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(l) = a.s.long { |
| <span class="macro">assert!</span>( |
| !<span class="self">self</span>.contains_long(l), |
| <span class="string">"Argument long must be unique\n\n\t--{} is already in use"</span>, |
| l |
| ); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(s) = a.s.short { |
| <span class="macro">assert!</span>( |
| !<span class="self">self</span>.contains_short(s), |
| <span class="string">"Argument short must be unique\n\n\t-{} is already in use"</span>, |
| s |
| ); |
| } |
| <span class="kw">let </span>i = <span class="kw">if </span>a.index.is_none() { |
| <span class="self">self</span>.positionals.len() + <span class="number">1 |
| </span>} <span class="kw">else </span>{ |
| a.index.unwrap() <span class="kw">as </span>usize |
| }; |
| <span class="macro">assert!</span>( |
| !<span class="self">self</span>.positionals.contains_key(i), |
| <span class="string">"Argument \"{}\" has the same index as another positional \ |
| argument\n\n\tPerhaps try .multiple(true) to allow one positional argument \ |
| to take multiple values"</span>, |
| a.b.name |
| ); |
| <span class="macro">assert!</span>( |
| !(a.is_set(ArgSettings::Required) && a.is_set(ArgSettings::Global)), |
| <span class="string">"Global arguments cannot be required.\n\n\t'{}' is marked as \ |
| global and required"</span>, |
| a.b.name |
| ); |
| <span class="kw">if </span>a.b.is_set(ArgSettings::Last) { |
| <span class="macro">assert!</span>( |
| !<span class="self">self |
| </span>.positionals |
| .values() |
| .any(|p| p.b.is_set(ArgSettings::Last)), |
| <span class="string">"Only one positional argument may have last(true) set. Found two." |
| </span>); |
| <span class="macro">assert!</span>(a.s.long.is_none(), |
| <span class="string">"Flags or Options may not have last(true) set. {} has both a long and last(true) set."</span>, |
| a.b.name); |
| <span class="macro">assert!</span>(a.s.short.is_none(), |
| <span class="string">"Flags or Options may not have last(true) set. {} has both a short and last(true) set."</span>, |
| a.b.name); |
| } |
| <span class="bool-val">true |
| </span>} |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_conditional_reqs(<span class="kw-2">&mut </span><span class="self">self</span>, a: <span class="kw-2">&</span>Arg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>r_ifs) = a.r_ifs { |
| <span class="kw">for </span><span class="kw-2">&</span>(arg, val) <span class="kw">in </span>r_ifs { |
| <span class="self">self</span>.r_ifs.push((arg, val, a.b.name)); |
| } |
| } |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_arg_groups(<span class="kw-2">&mut </span><span class="self">self</span>, a: <span class="kw-2">&</span>Arg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>grps) = a.b.groups { |
| <span class="kw">for </span>g <span class="kw">in </span>grps { |
| <span class="kw">let </span><span class="kw-2">mut </span>found = <span class="bool-val">false</span>; |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref mut </span>ag) = <span class="self">self</span>.groups.iter_mut().find(|grp| <span class="kw-2">&</span>grp.name == g) { |
| ag.args.push(a.b.name); |
| found = <span class="bool-val">true</span>; |
| } |
| <span class="kw">if </span>!found { |
| <span class="kw">let </span><span class="kw-2">mut </span>ag = ArgGroup::with_name(g); |
| ag.args.push(a.b.name); |
| <span class="self">self</span>.groups.push(ag); |
| } |
| } |
| } |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_reqs(<span class="kw-2">&mut </span><span class="self">self</span>, a: <span class="kw-2">&</span>Arg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>) { |
| <span class="kw">if </span>a.is_set(ArgSettings::Required) { |
| <span class="comment">// If the arg is required, add all it's requirements to master required list |
| </span><span class="self">self</span>.required.push(a.b.name); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>areqs) = a.b.requires { |
| <span class="kw">for </span>name <span class="kw">in </span>areqs |
| .iter() |
| .filter(|&&(val, <span class="kw">_</span>)| val.is_none()) |
| .map(|<span class="kw-2">&</span>(<span class="kw">_</span>, name)| name) |
| { |
| <span class="self">self</span>.required.push(name); |
| } |
| } |
| } |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>implied_settings(<span class="kw-2">&mut </span><span class="self">self</span>, a: <span class="kw-2">&</span>Arg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>) { |
| <span class="kw">if </span>a.is_set(ArgSettings::Last) { |
| <span class="comment">// if an arg has `Last` set, we need to imply DontCollapseArgsInUsage so that args |
| // in the usage string don't get confused or left out. |
| </span><span class="self">self</span>.set(AS::DontCollapseArgsInUsage); |
| <span class="self">self</span>.set(AS::ContainsLast); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(l) = a.s.long { |
| <span class="kw">if </span>l == <span class="string">"version" </span>{ |
| <span class="self">self</span>.unset(AS::NeedsLongVersion); |
| } <span class="kw">else if </span>l == <span class="string">"help" </span>{ |
| <span class="self">self</span>.unset(AS::NeedsLongHelp); |
| } |
| } |
| } |
| |
| <span class="comment">// actually adds the arguments |
| </span><span class="kw">pub fn </span>add_arg(<span class="kw-2">&mut </span><span class="self">self</span>, a: Arg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>) { |
| <span class="comment">// if it's global we have to clone anyways |
| </span><span class="kw">if </span>a.is_set(ArgSettings::Global) { |
| <span class="kw">return </span><span class="self">self</span>.add_arg_ref(<span class="kw-2">&</span>a); |
| } |
| <span class="macro">debug_assert!</span>(<span class="self">self</span>.debug_asserts(<span class="kw-2">&</span>a)); |
| <span class="self">self</span>.add_conditional_reqs(<span class="kw-2">&</span>a); |
| <span class="self">self</span>.add_arg_groups(<span class="kw-2">&</span>a); |
| <span class="self">self</span>.add_reqs(<span class="kw-2">&</span>a); |
| <span class="self">self</span>.implied_settings(<span class="kw-2">&</span>a); |
| <span class="kw">if </span>a.index.is_some() || (a.s.short.is_none() && a.s.long.is_none()) { |
| <span class="kw">let </span>i = <span class="kw">if </span>a.index.is_none() { |
| <span class="self">self</span>.positionals.len() + <span class="number">1 |
| </span>} <span class="kw">else </span>{ |
| a.index.unwrap() <span class="kw">as </span>usize |
| }; |
| <span class="self">self</span>.positionals |
| .insert(i, PosBuilder::from_arg(a, i <span class="kw">as </span>u64)); |
| } <span class="kw">else if </span>a.is_set(ArgSettings::TakesValue) { |
| <span class="kw">let </span><span class="kw-2">mut </span>ob = OptBuilder::from(a); |
| ob.s.unified_ord = <span class="self">self</span>.flags.len() + <span class="self">self</span>.opts.len(); |
| <span class="self">self</span>.opts.push(ob); |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span><span class="kw-2">mut </span>fb = FlagBuilder::from(a); |
| fb.s.unified_ord = <span class="self">self</span>.flags.len() + <span class="self">self</span>.opts.len(); |
| <span class="self">self</span>.flags.push(fb); |
| } |
| } |
| <span class="comment">// actually adds the arguments but from a borrow (which means we have to do some cloning) |
| </span><span class="kw">pub fn </span>add_arg_ref(<span class="kw-2">&mut </span><span class="self">self</span>, a: <span class="kw-2">&</span>Arg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>) { |
| <span class="macro">debug_assert!</span>(<span class="self">self</span>.debug_asserts(a)); |
| <span class="self">self</span>.add_conditional_reqs(a); |
| <span class="self">self</span>.add_arg_groups(a); |
| <span class="self">self</span>.add_reqs(a); |
| <span class="self">self</span>.implied_settings(a); |
| <span class="kw">if </span>a.index.is_some() || (a.s.short.is_none() && a.s.long.is_none()) { |
| <span class="kw">let </span>i = <span class="kw">if </span>a.index.is_none() { |
| <span class="self">self</span>.positionals.len() + <span class="number">1 |
| </span>} <span class="kw">else </span>{ |
| a.index.unwrap() <span class="kw">as </span>usize |
| }; |
| <span class="kw">let </span>pb = PosBuilder::from_arg_ref(a, i <span class="kw">as </span>u64); |
| <span class="self">self</span>.positionals.insert(i, pb); |
| } <span class="kw">else if </span>a.is_set(ArgSettings::TakesValue) { |
| <span class="kw">let </span><span class="kw-2">mut </span>ob = OptBuilder::from(a); |
| ob.s.unified_ord = <span class="self">self</span>.flags.len() + <span class="self">self</span>.opts.len(); |
| <span class="self">self</span>.opts.push(ob); |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span><span class="kw-2">mut </span>fb = FlagBuilder::from(a); |
| fb.s.unified_ord = <span class="self">self</span>.flags.len() + <span class="self">self</span>.opts.len(); |
| <span class="self">self</span>.flags.push(fb); |
| } |
| <span class="kw">if </span>a.is_set(ArgSettings::Global) { |
| <span class="self">self</span>.global_args.push(a.into()); |
| } |
| } |
| |
| <span class="kw">pub fn </span>add_group(<span class="kw-2">&mut </span><span class="self">self</span>, group: ArgGroup<<span class="lifetime">'a</span>>) { |
| <span class="kw">if </span>group.required { |
| <span class="self">self</span>.required.push(group.name); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>reqs) = group.requires { |
| <span class="self">self</span>.required.extend_from_slice(reqs); |
| } |
| <span class="comment">// if let Some(ref bl) = group.conflicts { |
| // self.blacklist.extend_from_slice(bl); |
| // } |
| </span>} |
| <span class="kw">if </span><span class="self">self</span>.groups.iter().any(|g| g.name == group.name) { |
| <span class="kw">let </span>grp = <span class="self">self |
| </span>.groups |
| .iter_mut() |
| .find(|g| g.name == group.name) |
| .expect(INTERNAL_ERROR_MSG); |
| grp.args.extend_from_slice(<span class="kw-2">&</span>group.args); |
| grp.requires = group.requires.clone(); |
| grp.conflicts = group.conflicts.clone(); |
| grp.required = group.required; |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.groups.push(group); |
| } |
| } |
| |
| <span class="kw">pub fn </span>add_subcommand(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw-2">mut </span>subcmd: App<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::add_subcommand: term_w={:?}, name={}"</span>, |
| <span class="self">self</span>.meta.term_w, |
| subcmd.p.meta.name |
| ); |
| subcmd.p.meta.term_w = <span class="self">self</span>.meta.term_w; |
| <span class="kw">if </span>subcmd.p.meta.name == <span class="string">"help" </span>{ |
| <span class="self">self</span>.unset(AS::NeedsSubcommandHelp); |
| } |
| |
| <span class="self">self</span>.subcommands.push(subcmd); |
| } |
| |
| <span class="kw">pub fn </span>propagate_settings(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::propagate_settings: self={}, g_settings={:#?}"</span>, |
| <span class="self">self</span>.meta.name, |
| <span class="self">self</span>.g_settings |
| ); |
| <span class="kw">for </span>sc <span class="kw">in </span><span class="kw-2">&mut </span><span class="self">self</span>.subcommands { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::propagate_settings: sc={}, settings={:#?}, g_settings={:#?}"</span>, |
| sc.p.meta.name, |
| sc.p.settings, |
| sc.p.g_settings |
| ); |
| <span class="comment">// We have to create a new scope in order to tell rustc the borrow of `sc` is |
| // done and to recursively call this method |
| </span>{ |
| <span class="kw">let </span>vsc = <span class="self">self</span>.settings.is_set(AS::VersionlessSubcommands); |
| <span class="kw">let </span>gv = <span class="self">self</span>.settings.is_set(AS::GlobalVersion); |
| |
| <span class="kw">if </span>vsc { |
| sc.p.set(AS::DisableVersion); |
| } |
| <span class="kw">if </span>gv && sc.p.meta.version.is_none() && <span class="self">self</span>.meta.version.is_some() { |
| sc.p.set(AS::GlobalVersion); |
| sc.p.meta.version = <span class="prelude-val">Some</span>(<span class="self">self</span>.meta.version.unwrap()); |
| } |
| sc.p.settings = sc.p.settings | <span class="self">self</span>.g_settings; |
| sc.p.g_settings = sc.p.g_settings | <span class="self">self</span>.g_settings; |
| sc.p.meta.term_w = <span class="self">self</span>.meta.term_w; |
| sc.p.meta.max_w = <span class="self">self</span>.meta.max_w; |
| } |
| sc.p.propagate_settings(); |
| } |
| } |
| |
| <span class="kw">pub fn </span>derive_display_order(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="kw">if </span><span class="self">self</span>.is_set(AS::DeriveDisplayOrder) { |
| <span class="kw">let </span>unified = <span class="self">self</span>.is_set(AS::UnifiedHelpMessage); |
| <span class="kw">for </span>(i, o) <span class="kw">in </span><span class="self">self |
| </span>.opts |
| .iter_mut() |
| .enumerate() |
| .filter(|<span class="kw-2">&</span>(<span class="kw">_</span>, <span class="kw-2">ref </span>o)| o.s.disp_ord == <span class="number">999</span>) |
| { |
| o.s.disp_ord = <span class="kw">if </span>unified { o.s.unified_ord } <span class="kw">else </span>{ i }; |
| } |
| <span class="kw">for </span>(i, f) <span class="kw">in </span><span class="self">self |
| </span>.flags |
| .iter_mut() |
| .enumerate() |
| .filter(|<span class="kw-2">&</span>(<span class="kw">_</span>, <span class="kw-2">ref </span>f)| f.s.disp_ord == <span class="number">999</span>) |
| { |
| f.s.disp_ord = <span class="kw">if </span>unified { f.s.unified_ord } <span class="kw">else </span>{ i }; |
| } |
| <span class="kw">for </span>(i, sc) <span class="kw">in </span><span class="kw-2">&mut </span><span class="self">self |
| </span>.subcommands |
| .iter_mut() |
| .enumerate() |
| .filter(|<span class="kw-2">&</span>(<span class="kw">_</span>, <span class="kw-2">ref </span>sc)| sc.p.meta.disp_ord == <span class="number">999</span>) |
| { |
| sc.p.meta.disp_ord = i; |
| } |
| } |
| <span class="kw">for </span>sc <span class="kw">in </span><span class="kw-2">&mut </span><span class="self">self</span>.subcommands { |
| sc.p.derive_display_order(); |
| } |
| } |
| |
| <span class="kw">pub fn </span>required(<span class="kw-2">&</span><span class="self">self</span>) -> Iter<<span class="kw-2">&</span>str> { |
| <span class="self">self</span>.required.iter() |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>has_args(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| !(<span class="self">self</span>.flags.is_empty() && <span class="self">self</span>.opts.is_empty() && <span class="self">self</span>.positionals.is_empty()) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>has_opts(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| !<span class="self">self</span>.opts.is_empty() |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>has_flags(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| !<span class="self">self</span>.flags.is_empty() |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>has_positionals(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| !<span class="self">self</span>.positionals.is_empty() |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>has_subcommands(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| !<span class="self">self</span>.subcommands.is_empty() |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>has_visible_opts(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="kw">if </span><span class="self">self</span>.opts.is_empty() { |
| <span class="kw">return </span><span class="bool-val">false</span>; |
| } |
| <span class="self">self</span>.opts.iter().any(|o| !o.is_set(ArgSettings::Hidden)) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>has_visible_flags(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="kw">if </span><span class="self">self</span>.flags.is_empty() { |
| <span class="kw">return </span><span class="bool-val">false</span>; |
| } |
| <span class="self">self</span>.flags.iter().any(|f| !f.is_set(ArgSettings::Hidden)) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>has_visible_positionals(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="kw">if </span><span class="self">self</span>.positionals.is_empty() { |
| <span class="kw">return </span><span class="bool-val">false</span>; |
| } |
| <span class="self">self</span>.positionals |
| .values() |
| .any(|p| !p.is_set(ArgSettings::Hidden)) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>has_visible_subcommands(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.has_subcommands() |
| && <span class="self">self |
| </span>.subcommands |
| .iter() |
| .filter(|sc| sc.p.meta.name != <span class="string">"help"</span>) |
| .any(|sc| !sc.p.is_set(AS::Hidden)) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>is_set(<span class="kw-2">&</span><span class="self">self</span>, s: AS) -> bool { |
| <span class="self">self</span>.settings.is_set(s) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>set(<span class="kw-2">&mut </span><span class="self">self</span>, s: AS) { |
| <span class="self">self</span>.settings.set(s) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>unset(<span class="kw-2">&mut </span><span class="self">self</span>, s: AS) { |
| <span class="self">self</span>.settings.unset(s) |
| } |
| |
| <span class="kw">pub fn </span>verify_positionals(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="comment">// Because you must wait until all arguments have been supplied, this is the first chance |
| // to make assertions on positional argument indexes |
| // |
| // First we verify that the index highest supplied index, is equal to the number of |
| // positional arguments to verify there are no gaps (i.e. supplying an index of 1 and 3 |
| // but no 2) |
| </span><span class="kw">if let </span><span class="prelude-val">Some</span>((idx, p)) = <span class="self">self</span>.positionals.iter().rev().next() { |
| <span class="macro">assert!</span>( |
| !(idx != <span class="self">self</span>.positionals.len()), |
| <span class="string">"Found positional argument \"{}\" whose index is {} but there \ |
| are only {} positional arguments defined"</span>, |
| p.b.name, |
| idx, |
| <span class="self">self</span>.positionals.len() |
| ); |
| } |
| |
| <span class="comment">// Next we verify that only the highest index has a .multiple(true) (if any) |
| </span><span class="kw">if </span><span class="self">self</span>.positionals.values().any(|a| { |
| a.b.is_set(ArgSettings::Multiple) && (a.index <span class="kw">as </span>usize != <span class="self">self</span>.positionals.len()) |
| }) { |
| <span class="kw">let </span><span class="kw-2">mut </span>it = <span class="self">self</span>.positionals.values().rev(); |
| <span class="kw">let </span>last = it.next().unwrap(); |
| <span class="kw">let </span>second_to_last = it.next().unwrap(); |
| <span class="comment">// Either the final positional is required |
| // Or the second to last has a terminator or .last(true) set |
| </span><span class="kw">let </span>ok = last.is_set(ArgSettings::Required) |
| || (second_to_last.v.terminator.is_some() |
| || second_to_last.b.is_set(ArgSettings::Last)) |
| || last.is_set(ArgSettings::Last); |
| <span class="macro">assert!</span>( |
| ok, |
| <span class="string">"When using a positional argument with .multiple(true) that is *not the \ |
| last* positional argument, the last positional argument (i.e the one \ |
| with the highest index) *must* have .required(true) or .last(true) set." |
| </span>); |
| <span class="kw">let </span>ok = second_to_last.is_set(ArgSettings::Multiple) || last.is_set(ArgSettings::Last); |
| <span class="macro">assert!</span>( |
| ok, |
| <span class="string">"Only the last positional argument, or second to last positional \ |
| argument may be set to .multiple(true)" |
| </span>); |
| |
| <span class="kw">let </span>count = <span class="self">self |
| </span>.positionals |
| .values() |
| .filter(|p| p.b.settings.is_set(ArgSettings::Multiple) && p.v.num_vals.is_none()) |
| .count(); |
| <span class="kw">let </span>ok = count <= <span class="number">1 |
| </span>|| (last.is_set(ArgSettings::Last) |
| && last.is_set(ArgSettings::Multiple) |
| && second_to_last.is_set(ArgSettings::Multiple) |
| && count == <span class="number">2</span>); |
| <span class="macro">assert!</span>( |
| ok, |
| <span class="string">"Only one positional argument with .multiple(true) set is allowed per \ |
| command, unless the second one also has .last(true) set" |
| </span>); |
| } |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>found = <span class="bool-val">false</span>; |
| <span class="kw">if </span><span class="self">self</span>.is_set(AS::AllowMissingPositional) { |
| <span class="comment">// Check that if a required positional argument is found, all positions with a lower |
| // index are also required. |
| </span><span class="kw">let </span><span class="kw-2">mut </span>foundx2 = <span class="bool-val">false</span>; |
| <span class="kw">for </span>p <span class="kw">in </span><span class="self">self</span>.positionals.values().rev() { |
| <span class="kw">if </span>foundx2 && !p.b.settings.is_set(ArgSettings::Required) { |
| <span class="macro">assert!</span>( |
| p.b.is_set(ArgSettings::Required), |
| <span class="string">"Found positional argument which is not required with a lower \ |
| index than a required positional argument by two or more: {:?} \ |
| index {}"</span>, |
| p.b.name, |
| p.index |
| ); |
| } <span class="kw">else if </span>p.b.is_set(ArgSettings::Required) && !p.b.is_set(ArgSettings::Last) { |
| <span class="comment">// Args that .last(true) don't count since they can be required and have |
| // positionals with a lower index that aren't required |
| // Imagine: prog <req1> [opt1] -- <req2> |
| // Both of these are valid invocations: |
| // $ prog r1 -- r2 |
| // $ prog r1 o1 -- r2 |
| </span><span class="kw">if </span>found { |
| foundx2 = <span class="bool-val">true</span>; |
| <span class="kw">continue</span>; |
| } |
| found = <span class="bool-val">true</span>; |
| <span class="kw">continue</span>; |
| } <span class="kw">else </span>{ |
| found = <span class="bool-val">false</span>; |
| } |
| } |
| } <span class="kw">else </span>{ |
| <span class="comment">// Check that if a required positional argument is found, all positions with a lower |
| // index are also required |
| </span><span class="kw">for </span>p <span class="kw">in </span><span class="self">self</span>.positionals.values().rev() { |
| <span class="kw">if </span>found { |
| <span class="macro">assert!</span>( |
| p.b.is_set(ArgSettings::Required), |
| <span class="string">"Found positional argument which is not required with a lower \ |
| index than a required positional argument: {:?} index {}"</span>, |
| p.b.name, |
| p.index |
| ); |
| } <span class="kw">else if </span>p.b.is_set(ArgSettings::Required) && !p.b.is_set(ArgSettings::Last) { |
| <span class="comment">// Args that .last(true) don't count since they can be required and have |
| // positionals with a lower index that aren't required |
| // Imagine: prog <req1> [opt1] -- <req2> |
| // Both of these are valid invocations: |
| // $ prog r1 -- r2 |
| // $ prog r1 o1 -- r2 |
| </span>found = <span class="bool-val">true</span>; |
| <span class="kw">continue</span>; |
| } |
| } |
| } |
| <span class="kw">if </span><span class="self">self |
| </span>.positionals |
| .values() |
| .any(|p| p.b.is_set(ArgSettings::Last) && p.b.is_set(ArgSettings::Required)) |
| && <span class="self">self</span>.has_subcommands() |
| && !<span class="self">self</span>.is_set(AS::SubcommandsNegateReqs) |
| { |
| <span class="macro">panic!</span>( |
| <span class="string">"Having a required positional argument with .last(true) set *and* child \ |
| subcommands without setting SubcommandsNegateReqs isn't compatible." |
| </span>); |
| } |
| |
| <span class="bool-val">true |
| </span>} |
| |
| <span class="kw">pub fn </span>propagate_globals(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="kw">for </span>sc <span class="kw">in </span><span class="kw-2">&mut </span><span class="self">self</span>.subcommands { |
| <span class="comment">// We have to create a new scope in order to tell rustc the borrow of `sc` is |
| // done and to recursively call this method |
| </span>{ |
| <span class="kw">for </span>a <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.global_args { |
| sc.p.add_arg_ref(a); |
| } |
| } |
| sc.p.propagate_globals(); |
| } |
| } |
| |
| <span class="comment">// Checks if the arg matches a subcommand name, or any of it's aliases (if defined) |
| </span><span class="kw">fn </span>possible_subcommand(<span class="kw-2">&</span><span class="self">self</span>, arg_os: <span class="kw-2">&</span>OsStr) -> (bool, <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::possible_subcommand: arg={:?}"</span>, arg_os); |
| <span class="kw">fn </span>starts(h: <span class="kw-2">&</span>str, n: <span class="kw-2">&</span>OsStr) -> bool { |
| <span class="kw">let </span>n_bytes = n.as_bytes(); |
| <span class="kw">let </span>h_bytes = OsStr::new(h).as_bytes(); |
| |
| h_bytes.starts_with(n_bytes) |
| } |
| |
| <span class="kw">if </span><span class="self">self</span>.is_set(AS::ArgsNegateSubcommands) && <span class="self">self</span>.is_set(AS::ValidArgFound) { |
| <span class="kw">return </span>(<span class="bool-val">false</span>, <span class="prelude-val">None</span>); |
| } |
| <span class="kw">if </span>!<span class="self">self</span>.is_set(AS::InferSubcommands) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(sc) = <span class="macro">find_subcmd!</span>(<span class="self">self</span>, arg_os) { |
| <span class="kw">return </span>(<span class="bool-val">true</span>, <span class="prelude-val">Some</span>(<span class="kw-2">&</span>sc.p.meta.name)); |
| } |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>v = <span class="self">self |
| </span>.subcommands |
| .iter() |
| .filter(|s| { |
| starts(<span class="kw-2">&</span>s.p.meta.name[..], <span class="kw-2">&*</span>arg_os) |
| || (s.p.meta.aliases.is_some() |
| && s.p |
| .meta |
| .aliases |
| .as_ref() |
| .unwrap() |
| .iter() |
| .filter(|&&(a, <span class="kw">_</span>)| starts(a, <span class="kw-2">&*</span>arg_os)) |
| .count() |
| == <span class="number">1</span>) |
| }) |
| .map(|sc| <span class="kw-2">&</span>sc.p.meta.name) |
| .collect::<Vec<<span class="kw">_</span>>>(); |
| |
| <span class="kw">for </span>sc <span class="kw">in </span><span class="kw-2">&</span>v { |
| <span class="kw">if </span>OsStr::new(sc) == arg_os { |
| <span class="kw">return </span>(<span class="bool-val">true</span>, <span class="prelude-val">Some</span>(sc)); |
| } |
| } |
| |
| <span class="kw">if </span>v.len() == <span class="number">1 </span>{ |
| <span class="kw">return </span>(<span class="bool-val">true</span>, <span class="prelude-val">Some</span>(v[<span class="number">0</span>])); |
| } |
| } |
| (<span class="bool-val">false</span>, <span class="prelude-val">None</span>) |
| } |
| |
| <span class="kw">fn </span>parse_help_subcommand<I, T>(<span class="kw-2">&</span><span class="self">self</span>, it: <span class="kw-2">&mut </span>I) -> ClapResult<ParseResult<<span class="lifetime">'a</span>>> |
| <span class="kw">where |
| </span>I: Iterator<Item = T>, |
| T: Into<OsString>, |
| { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_help_subcommand;"</span>); |
| <span class="kw">let </span>cmds: Vec<OsString> = it.map(|c| c.into()).collect(); |
| <span class="kw">let </span><span class="kw-2">mut </span>help_help = <span class="bool-val">false</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>bin_name = <span class="self">self |
| </span>.meta |
| .bin_name |
| .as_ref() |
| .unwrap_or(<span class="kw-2">&</span><span class="self">self</span>.meta.name) |
| .clone(); |
| <span class="kw">let </span><span class="kw-2">mut </span>sc = { |
| <span class="kw">let </span><span class="kw-2">mut </span>sc: <span class="kw-2">&</span>Parser = <span class="self">self</span>; |
| <span class="kw">for </span>(i, cmd) <span class="kw">in </span>cmds.iter().enumerate() { |
| <span class="kw">if </span><span class="kw-2">&*</span>cmd.to_string_lossy() == <span class="string">"help" </span>{ |
| <span class="comment">// cmd help help |
| </span>help_help = <span class="bool-val">true</span>; |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(c) = sc |
| .subcommands |
| .iter() |
| .find(|s| <span class="kw-2">&*</span>s.p.meta.name == cmd) |
| .map(|sc| <span class="kw-2">&</span>sc.p) |
| { |
| sc = c; |
| <span class="kw">if </span>i == cmds.len() - <span class="number">1 </span>{ |
| <span class="kw">break</span>; |
| } |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(c) = sc |
| .subcommands |
| .iter() |
| .find(|s| { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>als) = s.p.meta.aliases { |
| als.iter().any(|<span class="kw-2">&</span>(a, <span class="kw">_</span>)| a == <span class="kw-2">&*</span>cmd.to_string_lossy()) |
| } <span class="kw">else </span>{ |
| <span class="bool-val">false |
| </span>} |
| }) |
| .map(|sc| <span class="kw-2">&</span>sc.p) |
| { |
| sc = c; |
| <span class="kw">if </span>i == cmds.len() - <span class="number">1 </span>{ |
| <span class="kw">break</span>; |
| } |
| } <span class="kw">else </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::unrecognized_subcommand( |
| cmd.to_string_lossy().into_owned(), |
| <span class="self">self</span>.meta.bin_name.as_ref().unwrap_or(<span class="kw-2">&</span><span class="self">self</span>.meta.name), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| bin_name = <span class="macro">format!</span>(<span class="string">"{} {}"</span>, bin_name, <span class="kw-2">&*</span>sc.meta.name); |
| } |
| sc.clone() |
| }; |
| <span class="kw">if </span>help_help { |
| <span class="kw">let </span><span class="kw-2">mut </span>pb = PosBuilder::new(<span class="string">"subcommand"</span>, <span class="number">1</span>); |
| pb.b.help = <span class="prelude-val">Some</span>(<span class="string">"The subcommand whose help message to display"</span>); |
| pb.set(ArgSettings::Multiple); |
| sc.positionals.insert(<span class="number">1</span>, pb); |
| sc.settings = sc.settings | <span class="self">self</span>.g_settings; |
| } <span class="kw">else </span>{ |
| sc.create_help_and_version(); |
| } |
| <span class="kw">if </span>sc.meta.bin_name != <span class="self">self</span>.meta.bin_name { |
| sc.meta.bin_name = <span class="prelude-val">Some</span>(<span class="macro">format!</span>(<span class="string">"{} {}"</span>, bin_name, sc.meta.name)); |
| } |
| <span class="prelude-val">Err</span>(sc._help(<span class="bool-val">false</span>)) |
| } |
| |
| <span class="comment">// allow wrong self convention due to self.valid_neg_num = true and it's a private method |
| </span><span class="attribute">#[cfg_attr(feature = <span class="string">"lints"</span>, allow(wrong_self_convention))] |
| </span><span class="kw">fn </span>is_new_arg(<span class="kw-2">&mut </span><span class="self">self</span>, arg_os: <span class="kw-2">&</span>OsStr, needs_val_of: ParseResult) -> bool { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::is_new_arg:{:?}:{:?}"</span>, arg_os, needs_val_of); |
| <span class="kw">let </span>app_wide_settings = <span class="kw">if </span><span class="self">self</span>.is_set(AS::AllowLeadingHyphen) { |
| <span class="bool-val">true |
| </span>} <span class="kw">else if </span><span class="self">self</span>.is_set(AS::AllowNegativeNumbers) { |
| <span class="kw">let </span>a = arg_os.to_string_lossy(); |
| <span class="kw">if </span>a.parse::<i64>().is_ok() || a.parse::<f64>().is_ok() { |
| <span class="self">self</span>.set(AS::ValidNegNumFound); |
| <span class="bool-val">true |
| </span>} <span class="kw">else </span>{ |
| <span class="bool-val">false |
| </span>} |
| } <span class="kw">else </span>{ |
| <span class="bool-val">false |
| </span>}; |
| <span class="kw">let </span>arg_allows_tac = <span class="kw">match </span>needs_val_of { |
| ParseResult::Opt(name) => { |
| <span class="kw">let </span>o = <span class="self">self |
| </span>.opts |
| .iter() |
| .find(|o| o.b.name == name) |
| .expect(INTERNAL_ERROR_MSG); |
| o.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings |
| } |
| ParseResult::Pos(name) => { |
| <span class="kw">let </span>p = <span class="self">self |
| </span>.positionals |
| .values() |
| .find(|p| p.b.name == name) |
| .expect(INTERNAL_ERROR_MSG); |
| p.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings |
| } |
| ParseResult::ValuesDone => <span class="kw">return </span><span class="bool-val">true</span>, |
| <span class="kw">_ </span>=> <span class="bool-val">false</span>, |
| }; |
| <span class="macro">debugln!</span>(<span class="string">"Parser::is_new_arg: arg_allows_tac={:?}"</span>, arg_allows_tac); |
| |
| <span class="comment">// Is this a new argument, or values from a previous option? |
| </span><span class="kw">let </span><span class="kw-2">mut </span>ret = <span class="kw">if </span>arg_os.starts_with(<span class="string">b"--"</span>) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::is_new_arg: -- found"</span>); |
| <span class="kw">if </span>arg_os.len() == <span class="number">2 </span>&& !arg_allows_tac { |
| <span class="kw">return </span><span class="bool-val">true</span>; <span class="comment">// We have to return true so override everything else |
| </span>} <span class="kw">else if </span>arg_allows_tac { |
| <span class="kw">return </span><span class="bool-val">false</span>; |
| } |
| <span class="bool-val">true |
| </span>} <span class="kw">else if </span>arg_os.starts_with(<span class="string">b"-"</span>) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::is_new_arg: - found"</span>); |
| <span class="comment">// a singe '-' by itself is a value and typically means "stdin" on unix systems |
| </span>arg_os.len() != <span class="number">1 |
| </span>} <span class="kw">else </span>{ |
| <span class="macro">debugln!</span>(<span class="string">"Parser::is_new_arg: probably value"</span>); |
| <span class="bool-val">false |
| </span>}; |
| |
| ret = ret && !arg_allows_tac; |
| |
| <span class="macro">debugln!</span>(<span class="string">"Parser::is_new_arg: starts_new_arg={:?}"</span>, ret); |
| ret |
| } |
| |
| <span class="comment">// The actual parsing function |
| </span><span class="attribute">#[cfg_attr( |
| feature = <span class="string">"cargo-clippy"</span>, |
| allow(clippy::while_let_on_iterator, clippy::nonminimal_bool) |
| )] |
| </span><span class="kw">pub fn </span>get_matches_with<I, T>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| it: <span class="kw-2">&mut </span>Peekable<I>, |
| ) -> ClapResult<()> |
| <span class="kw">where |
| </span>I: Iterator<Item = T>, |
| T: Into<OsString> + Clone, |
| { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::get_matches_with;"</span>); |
| <span class="comment">// Verify all positional assertions pass |
| </span><span class="macro">debug_assert!</span>(<span class="self">self</span>.app_debug_asserts()); |
| <span class="kw">if </span><span class="self">self</span>.positionals.values().any(|a| { |
| a.b.is_set(ArgSettings::Multiple) && (a.index <span class="kw">as </span>usize != <span class="self">self</span>.positionals.len()) |
| }) && <span class="self">self |
| </span>.positionals |
| .values() |
| .last() |
| .map_or(<span class="bool-val">false</span>, |p| !p.is_set(ArgSettings::Last)) |
| { |
| <span class="self">self</span>.settings.set(AS::LowIndexMultiplePositional); |
| } |
| <span class="kw">let </span>has_args = <span class="self">self</span>.has_args(); |
| |
| <span class="comment">// Next we create the `--help` and `--version` arguments and add them if |
| // necessary |
| </span><span class="self">self</span>.create_help_and_version(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>subcmd_name: <span class="prelude-ty">Option</span><String> = <span class="prelude-val">None</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>needs_val_of: ParseResult<<span class="lifetime">'a</span>> = ParseResult::NotFound; |
| <span class="kw">let </span><span class="kw-2">mut </span>pos_counter = <span class="number">1</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>sc_is_external = <span class="bool-val">false</span>; |
| <span class="kw">while let </span><span class="prelude-val">Some</span>(arg) = it.next() { |
| <span class="kw">let </span>arg_os = arg.into(); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::get_matches_with: Begin parsing '{:?}' ({:?})"</span>, |
| arg_os, |
| <span class="kw-2">&*</span>arg_os.as_bytes() |
| ); |
| |
| <span class="self">self</span>.unset(AS::ValidNegNumFound); |
| <span class="comment">// Is this a new argument, or values from a previous option? |
| </span><span class="kw">let </span>starts_new_arg = <span class="self">self</span>.is_new_arg(<span class="kw-2">&</span>arg_os, needs_val_of); |
| <span class="kw">if </span>!<span class="self">self</span>.is_set(AS::TrailingValues) |
| && arg_os.starts_with(<span class="string">b"--"</span>) |
| && arg_os.len() == <span class="number">2 |
| </span>&& starts_new_arg |
| { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::get_matches_with: setting TrailingVals=true"</span>); |
| <span class="self">self</span>.set(AS::TrailingValues); |
| <span class="kw">continue</span>; |
| } |
| |
| <span class="comment">// Has the user already passed '--'? Meaning only positional args follow |
| </span><span class="kw">if </span>!<span class="self">self</span>.is_set(AS::TrailingValues) { |
| <span class="comment">// Does the arg match a subcommand name, or any of it's aliases (if defined) |
| </span>{ |
| <span class="kw">match </span>needs_val_of { |
| ParseResult::Opt(<span class="kw">_</span>) | ParseResult::Pos(<span class="kw">_</span>) => (), |
| <span class="kw">_ </span>=> { |
| <span class="kw">let </span>(is_match, sc_name) = <span class="self">self</span>.possible_subcommand(<span class="kw-2">&</span>arg_os); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::get_matches_with: possible_sc={:?}, sc={:?}"</span>, |
| is_match, |
| sc_name |
| ); |
| <span class="kw">if </span>is_match { |
| <span class="kw">let </span>sc_name = sc_name.expect(INTERNAL_ERROR_MSG); |
| <span class="kw">if </span>sc_name == <span class="string">"help" </span>&& <span class="self">self</span>.is_set(AS::NeedsSubcommandHelp) { |
| <span class="self">self</span>.parse_help_subcommand(it)<span class="question-mark">?</span>; |
| } |
| subcmd_name = <span class="prelude-val">Some</span>(sc_name.to_owned()); |
| <span class="kw">break</span>; |
| } |
| } |
| } |
| } |
| |
| <span class="kw">if </span>starts_new_arg { |
| <span class="kw">let </span>check_all = <span class="self">self</span>.is_set(AS::AllArgsOverrideSelf); |
| { |
| <span class="kw">let </span>any_arg = <span class="macro">find_any_by_name!</span>(<span class="self">self</span>, <span class="self">self</span>.cache.unwrap_or(<span class="string">""</span>)); |
| matcher.process_arg_overrides( |
| any_arg, |
| <span class="kw-2">&mut </span><span class="self">self</span>.overrides, |
| <span class="kw-2">&mut </span><span class="self">self</span>.required, |
| check_all, |
| ); |
| } |
| |
| <span class="kw">if </span>arg_os.starts_with(<span class="string">b"--"</span>) { |
| needs_val_of = <span class="self">self</span>.parse_long_arg(matcher, <span class="kw-2">&</span>arg_os, it)<span class="question-mark">?</span>; |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser:get_matches_with: After parse_long_arg {:?}"</span>, |
| needs_val_of |
| ); |
| <span class="kw">match </span>needs_val_of { |
| ParseResult::Flag | ParseResult::Opt(..) | ParseResult::ValuesDone => { |
| <span class="kw">continue |
| </span>} |
| <span class="kw">_ </span>=> (), |
| } |
| } <span class="kw">else if </span>arg_os.starts_with(<span class="string">b"-"</span>) && arg_os.len() != <span class="number">1 </span>{ |
| <span class="comment">// Try to parse short args like normal, if AllowLeadingHyphen or |
| // AllowNegativeNumbers is set, parse_short_arg will *not* throw |
| // an error, and instead return Ok(None) |
| </span>needs_val_of = <span class="self">self</span>.parse_short_arg(matcher, <span class="kw-2">&</span>arg_os)<span class="question-mark">?</span>; |
| <span class="comment">// If it's None, we then check if one of those two AppSettings was set |
| </span><span class="macro">debugln!</span>( |
| <span class="string">"Parser:get_matches_with: After parse_short_arg {:?}"</span>, |
| needs_val_of |
| ); |
| <span class="kw">match </span>needs_val_of { |
| ParseResult::MaybeNegNum => { |
| <span class="kw">if </span>!(arg_os.to_string_lossy().parse::<i64>().is_ok() |
| || arg_os.to_string_lossy().parse::<f64>().is_ok()) |
| { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::unknown_argument( |
| <span class="kw-2">&*</span>arg_os.to_string_lossy(), |
| <span class="string">""</span>, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| } |
| ParseResult::Opt(..) | ParseResult::Flag | ParseResult::ValuesDone => { |
| <span class="kw">continue |
| </span>} |
| <span class="kw">_ </span>=> (), |
| } |
| } |
| } <span class="kw">else if let </span>ParseResult::Opt(name) = needs_val_of { |
| <span class="comment">// Check to see if parsing a value from a previous arg |
| </span><span class="kw">let </span>arg = <span class="self">self |
| </span>.opts |
| .iter() |
| .find(|o| o.b.name == name) |
| .expect(INTERNAL_ERROR_MSG); |
| <span class="comment">// get the OptBuilder so we can check the settings |
| </span>needs_val_of = <span class="self">self</span>.add_val_to_arg(arg, <span class="kw-2">&</span>arg_os, matcher)<span class="question-mark">?</span>; |
| <span class="comment">// get the next value from the iterator |
| </span><span class="kw">continue</span>; |
| } |
| } |
| |
| <span class="kw">if </span>!(<span class="self">self</span>.is_set(AS::ArgsNegateSubcommands) && <span class="self">self</span>.is_set(AS::ValidArgFound)) |
| && !<span class="self">self</span>.is_set(AS::InferSubcommands) |
| && !<span class="self">self</span>.is_set(AS::AllowExternalSubcommands) |
| { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(cdate) = |
| suggestions::did_you_mean(<span class="kw-2">&*</span>arg_os.to_string_lossy(), <span class="macro">sc_names!</span>(<span class="self">self</span>)) |
| { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::invalid_subcommand( |
| arg_os.to_string_lossy().into_owned(), |
| cdate, |
| <span class="self">self</span>.meta.bin_name.as_ref().unwrap_or(<span class="kw-2">&</span><span class="self">self</span>.meta.name), |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| } |
| |
| <span class="kw">let </span>low_index_mults = <span class="self">self</span>.is_set(AS::LowIndexMultiplePositional) |
| && pos_counter == (<span class="self">self</span>.positionals.len() - <span class="number">1</span>); |
| <span class="kw">let </span>missing_pos = <span class="self">self</span>.is_set(AS::AllowMissingPositional) |
| && (pos_counter == (<span class="self">self</span>.positionals.len() - <span class="number">1</span>) |
| && !<span class="self">self</span>.is_set(AS::TrailingValues)); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::get_matches_with: Positional counter...{}"</span>, |
| pos_counter |
| ); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::get_matches_with: Low index multiples...{:?}"</span>, |
| low_index_mults |
| ); |
| <span class="kw">if </span>low_index_mults || missing_pos { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(na) = it.peek() { |
| <span class="kw">let </span>n = (<span class="kw-2">*</span>na).clone().into(); |
| needs_val_of = <span class="kw">if </span>needs_val_of != ParseResult::ValuesDone { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(p) = <span class="self">self</span>.positionals.get(pos_counter) { |
| ParseResult::Pos(p.b.name) |
| } <span class="kw">else </span>{ |
| ParseResult::ValuesDone |
| } |
| } <span class="kw">else </span>{ |
| ParseResult::ValuesDone |
| }; |
| <span class="kw">let </span>sc_match = { <span class="self">self</span>.possible_subcommand(<span class="kw-2">&</span>n).<span class="number">0 </span>}; |
| <span class="kw">if </span><span class="self">self</span>.is_new_arg(<span class="kw-2">&</span>n, needs_val_of) |
| || sc_match |
| || suggestions::did_you_mean(<span class="kw-2">&</span>n.to_string_lossy(), <span class="macro">sc_names!</span>(<span class="self">self</span>)) |
| .is_some() |
| { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::get_matches_with: Bumping the positional counter..."</span>); |
| pos_counter += <span class="number">1</span>; |
| } |
| } <span class="kw">else </span>{ |
| <span class="macro">debugln!</span>(<span class="string">"Parser::get_matches_with: Bumping the positional counter..."</span>); |
| pos_counter += <span class="number">1</span>; |
| } |
| } <span class="kw">else if </span>(<span class="self">self</span>.is_set(AS::AllowMissingPositional) && <span class="self">self</span>.is_set(AS::TrailingValues)) |
| || (<span class="self">self</span>.is_set(AS::ContainsLast) && <span class="self">self</span>.is_set(AS::TrailingValues)) |
| { |
| <span class="comment">// Came to -- and one postional has .last(true) set, so we go immediately |
| // to the last (highest index) positional |
| </span><span class="macro">debugln!</span>(<span class="string">"Parser::get_matches_with: .last(true) and --, setting last pos"</span>); |
| pos_counter = <span class="self">self</span>.positionals.len(); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(p) = <span class="self">self</span>.positionals.get(pos_counter) { |
| <span class="kw">if </span>p.is_set(ArgSettings::Last) && !<span class="self">self</span>.is_set(AS::TrailingValues) { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::unknown_argument( |
| <span class="kw-2">&*</span>arg_os.to_string_lossy(), |
| <span class="string">""</span>, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| <span class="kw">if </span>!<span class="self">self</span>.is_set(AS::TrailingValues) |
| && (<span class="self">self</span>.is_set(AS::TrailingVarArg) && pos_counter == <span class="self">self</span>.positionals.len()) |
| { |
| <span class="self">self</span>.settings.set(AS::TrailingValues); |
| } |
| <span class="kw">if </span><span class="self">self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != p.b.name) { |
| <span class="kw">let </span>check_all = <span class="self">self</span>.is_set(AS::AllArgsOverrideSelf); |
| { |
| <span class="kw">let </span>any_arg = <span class="macro">find_any_by_name!</span>(<span class="self">self</span>, <span class="self">self</span>.cache.unwrap_or(<span class="string">""</span>)); |
| matcher.process_arg_overrides( |
| any_arg, |
| <span class="kw-2">&mut </span><span class="self">self</span>.overrides, |
| <span class="kw-2">&mut </span><span class="self">self</span>.required, |
| check_all, |
| ); |
| } |
| <span class="self">self</span>.cache = <span class="prelude-val">Some</span>(p.b.name); |
| } |
| <span class="kw">let _ </span>= <span class="self">self</span>.add_val_to_arg(p, <span class="kw-2">&</span>arg_os, matcher)<span class="question-mark">?</span>; |
| |
| matcher.inc_occurrence_of(p.b.name); |
| <span class="kw">let _ </span>= <span class="self">self |
| </span>.groups_for_arg(p.b.name) |
| .map(|vec| matcher.inc_occurrences_of(<span class="kw-2">&*</span>vec)); |
| |
| <span class="self">self</span>.settings.set(AS::ValidArgFound); |
| <span class="comment">// Only increment the positional counter if it doesn't allow multiples |
| </span><span class="kw">if </span>!p.b.settings.is_set(ArgSettings::Multiple) { |
| pos_counter += <span class="number">1</span>; |
| } |
| <span class="self">self</span>.settings.set(AS::ValidArgFound); |
| } <span class="kw">else if </span><span class="self">self</span>.is_set(AS::AllowExternalSubcommands) { |
| <span class="comment">// Get external subcommand name |
| </span><span class="kw">let </span>sc_name = <span class="kw">match </span>arg_os.to_str() { |
| <span class="prelude-val">Some</span>(s) => s.to_string(), |
| <span class="prelude-val">None </span>=> { |
| <span class="kw">if </span>!<span class="self">self</span>.is_set(AS::StrictUtf8) { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::invalid_utf8( |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| arg_os.to_string_lossy().into_owned() |
| } |
| }; |
| |
| <span class="comment">// Collect the external subcommand args |
| </span><span class="kw">let </span><span class="kw-2">mut </span>sc_m = ArgMatcher::new(); |
| <span class="comment">// Due to borrow rules, this has to be a while let... |
| </span><span class="attribute">#[cfg_attr(feature = <span class="string">"cargo-clippy"</span>, allow(clippy::while_let_on_iterator))] |
| </span><span class="kw">while let </span><span class="prelude-val">Some</span>(v) = it.next() { |
| <span class="kw">let </span>a = v.into(); |
| <span class="kw">if </span>a.to_str().is_none() && !<span class="self">self</span>.is_set(AS::StrictUtf8) { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::invalid_utf8( |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| sc_m.add_val_to(<span class="string">""</span>, <span class="kw-2">&</span>a); |
| } |
| |
| matcher.subcommand(SubCommand { |
| name: sc_name, |
| matches: sc_m.into(), |
| }); |
| sc_is_external = <span class="bool-val">true</span>; |
| } <span class="kw">else if </span>!((<span class="self">self</span>.is_set(AS::AllowLeadingHyphen) |
| || <span class="self">self</span>.is_set(AS::AllowNegativeNumbers)) |
| && arg_os.starts_with(<span class="string">b"-"</span>)) |
| && !<span class="self">self</span>.is_set(AS::InferSubcommands) |
| { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::unknown_argument( |
| <span class="kw-2">&*</span>arg_os.to_string_lossy(), |
| <span class="string">""</span>, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } <span class="kw">else if </span>!has_args || <span class="self">self</span>.is_set(AS::InferSubcommands) && <span class="self">self</span>.has_subcommands() { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(cdate) = |
| suggestions::did_you_mean(<span class="kw-2">&*</span>arg_os.to_string_lossy(), <span class="macro">sc_names!</span>(<span class="self">self</span>)) |
| { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::invalid_subcommand( |
| arg_os.to_string_lossy().into_owned(), |
| cdate, |
| <span class="self">self</span>.meta.bin_name.as_ref().unwrap_or(<span class="kw-2">&</span><span class="self">self</span>.meta.name), |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } <span class="kw">else </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::unrecognized_subcommand( |
| arg_os.to_string_lossy().into_owned(), |
| <span class="self">self</span>.meta.bin_name.as_ref().unwrap_or(<span class="kw-2">&</span><span class="self">self</span>.meta.name), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| } <span class="kw">else </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::unknown_argument( |
| <span class="kw-2">&*</span>arg_os.to_string_lossy(), |
| <span class="string">""</span>, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| } |
| |
| <span class="kw">if </span>!sc_is_external { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>pos_sc_name) = subcmd_name { |
| <span class="kw">let </span>sc_name = { |
| <span class="macro">find_subcmd!</span>(<span class="self">self</span>, pos_sc_name) |
| .expect(INTERNAL_ERROR_MSG) |
| .p |
| .meta |
| .name |
| .clone() |
| }; |
| <span class="self">self</span>.parse_subcommand(<span class="kw-2">&*</span>sc_name, matcher, it)<span class="question-mark">?</span>; |
| } <span class="kw">else if </span><span class="self">self</span>.is_set(AS::SubcommandRequired) { |
| <span class="kw">let </span>bn = <span class="self">self</span>.meta.bin_name.as_ref().unwrap_or(<span class="kw-2">&</span><span class="self">self</span>.meta.name); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::missing_subcommand( |
| bn, |
| <span class="kw-2">&</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } <span class="kw">else if </span><span class="self">self</span>.is_set(AS::SubcommandRequiredElseHelp) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::get_matches_with: SubcommandRequiredElseHelp=true"</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>out = <span class="macro">vec!</span>[]; |
| <span class="self">self</span>.write_help_err(<span class="kw-2">&mut </span>out)<span class="question-mark">?</span>; |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error { |
| message: String::from_utf8_lossy(<span class="kw-2">&*</span>out).into_owned(), |
| kind: ErrorKind::MissingArgumentOrSubcommand, |
| info: <span class="prelude-val">None</span>, |
| }); |
| } |
| } |
| |
| <span class="comment">// In case the last arg was new, we need to process it's overrides |
| </span><span class="kw">let </span>check_all = <span class="self">self</span>.is_set(AS::AllArgsOverrideSelf); |
| { |
| <span class="kw">let </span>any_arg = <span class="macro">find_any_by_name!</span>(<span class="self">self</span>, <span class="self">self</span>.cache.unwrap_or(<span class="string">""</span>)); |
| matcher.process_arg_overrides( |
| any_arg, |
| <span class="kw-2">&mut </span><span class="self">self</span>.overrides, |
| <span class="kw-2">&mut </span><span class="self">self</span>.required, |
| check_all, |
| ); |
| } |
| |
| <span class="self">self</span>.remove_overrides(matcher); |
| |
| Validator::new(<span class="self">self</span>).validate(needs_val_of, subcmd_name, matcher) |
| } |
| |
| <span class="kw">fn </span>remove_overrides(<span class="kw-2">&mut </span><span class="self">self</span>, matcher: <span class="kw-2">&mut </span>ArgMatcher) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::remove_overrides:{:?};"</span>, <span class="self">self</span>.overrides); |
| <span class="kw">for </span><span class="kw-2">&</span>(overr, name) <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.overrides { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::remove_overrides:iter:({},{});"</span>, overr, name); |
| <span class="kw">if </span>matcher.is_present(overr) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::remove_overrides:iter:({},{}): removing {};"</span>, |
| overr, |
| name, |
| name |
| ); |
| matcher.remove(name); |
| <span class="kw">for </span>i <span class="kw">in </span>(<span class="number">0</span>..<span class="self">self</span>.required.len()).rev() { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::remove_overrides:iter:({},{}): removing required {};"</span>, |
| overr, |
| name, |
| name |
| ); |
| <span class="kw">if </span><span class="self">self</span>.required[i] == name { |
| <span class="self">self</span>.required.swap_remove(i); |
| <span class="kw">break</span>; |
| } |
| } |
| } |
| } |
| } |
| |
| <span class="kw">fn </span>propagate_help_version(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::propagate_help_version;"</span>); |
| <span class="self">self</span>.create_help_and_version(); |
| <span class="kw">for </span>sc <span class="kw">in </span><span class="kw-2">&mut </span><span class="self">self</span>.subcommands { |
| sc.p.propagate_help_version(); |
| } |
| } |
| |
| <span class="kw">fn </span>build_bin_names(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::build_bin_names;"</span>); |
| <span class="kw">for </span>sc <span class="kw">in </span><span class="kw-2">&mut </span><span class="self">self</span>.subcommands { |
| <span class="macro">debug!</span>(<span class="string">"Parser::build_bin_names:iter: bin_name set..."</span>); |
| <span class="kw">if </span>sc.p.meta.bin_name.is_none() { |
| <span class="macro">sdebugln!</span>(<span class="string">"No"</span>); |
| <span class="kw">let </span>bin_name = <span class="macro">format!</span>( |
| <span class="string">"{}{}{}"</span>, |
| <span class="self">self</span>.meta |
| .bin_name |
| .as_ref() |
| .unwrap_or(<span class="kw-2">&</span><span class="self">self</span>.meta.name.clone()), |
| <span class="kw">if </span><span class="self">self</span>.meta.bin_name.is_some() { |
| <span class="string">" " |
| </span>} <span class="kw">else </span>{ |
| <span class="string">"" |
| </span>}, |
| <span class="kw-2">&*</span>sc.p.meta.name |
| ); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::build_bin_names:iter: Setting bin_name of {} to {}"</span>, |
| <span class="self">self</span>.meta.name, |
| bin_name |
| ); |
| sc.p.meta.bin_name = <span class="prelude-val">Some</span>(bin_name); |
| } <span class="kw">else </span>{ |
| <span class="macro">sdebugln!</span>(<span class="string">"yes ({:?})"</span>, sc.p.meta.bin_name); |
| } |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::build_bin_names:iter: Calling build_bin_names from...{}"</span>, |
| sc.p.meta.name |
| ); |
| sc.p.build_bin_names(); |
| } |
| } |
| |
| <span class="kw">fn </span>parse_subcommand<I, T>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| sc_name: <span class="kw-2">&</span>str, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| it: <span class="kw-2">&mut </span>Peekable<I>, |
| ) -> ClapResult<()> |
| <span class="kw">where |
| </span>I: Iterator<Item = T>, |
| T: Into<OsString> + Clone, |
| { |
| <span class="kw">use </span>std::fmt::Write; |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_subcommand;"</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>mid_string = String::new(); |
| <span class="kw">if </span>!<span class="self">self</span>.is_set(AS::SubcommandsNegateReqs) { |
| <span class="kw">let </span><span class="kw-2">mut </span>hs: Vec<<span class="kw-2">&</span>str> = <span class="self">self</span>.required.iter().map(|n| <span class="kw-2">&**</span>n).collect(); |
| <span class="kw">for </span>k <span class="kw">in </span>matcher.arg_names() { |
| hs.push(k); |
| } |
| <span class="kw">let </span>reqs = usage::get_required_usage_from(<span class="self">self</span>, <span class="kw-2">&</span>hs, <span class="prelude-val">Some</span>(matcher), <span class="prelude-val">None</span>, <span class="bool-val">false</span>); |
| |
| <span class="kw">for </span>s <span class="kw">in </span><span class="kw-2">&</span>reqs { |
| <span class="macro">write!</span>(<span class="kw-2">&mut </span>mid_string, <span class="string">" {}"</span>, s).expect(INTERNAL_ERROR_MSG); |
| } |
| } |
| mid_string.push(<span class="string">' '</span>); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref mut </span>sc) = <span class="self">self |
| </span>.subcommands |
| .iter_mut() |
| .find(|s| s.p.meta.name == sc_name) |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>sc_matcher = ArgMatcher::new(); |
| <span class="comment">// bin_name should be parent's bin_name + [<reqs>] + the sc's name separated by |
| // a space |
| </span>sc.p.meta.usage = <span class="prelude-val">Some</span>(<span class="macro">format!</span>( |
| <span class="string">"{}{}{}"</span>, |
| <span class="self">self</span>.meta.bin_name.as_ref().unwrap_or(<span class="kw-2">&</span>String::new()), |
| <span class="kw">if </span><span class="self">self</span>.meta.bin_name.is_some() { |
| <span class="kw-2">&*</span>mid_string |
| } <span class="kw">else </span>{ |
| <span class="string">"" |
| </span>}, |
| <span class="kw-2">&*</span>sc.p.meta.name |
| )); |
| sc.p.meta.bin_name = <span class="prelude-val">Some</span>(<span class="macro">format!</span>( |
| <span class="string">"{}{}{}"</span>, |
| <span class="self">self</span>.meta.bin_name.as_ref().unwrap_or(<span class="kw-2">&</span>String::new()), |
| <span class="kw">if </span><span class="self">self</span>.meta.bin_name.is_some() { |
| <span class="string">" " |
| </span>} <span class="kw">else </span>{ |
| <span class="string">"" |
| </span>}, |
| <span class="kw-2">&*</span>sc.p.meta.name |
| )); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::parse_subcommand: About to parse sc={}"</span>, |
| sc.p.meta.name |
| ); |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_subcommand: sc settings={:#?}"</span>, sc.p.settings); |
| sc.p.get_matches_with(<span class="kw-2">&mut </span>sc_matcher, it)<span class="question-mark">?</span>; |
| matcher.subcommand(SubCommand { |
| name: sc.p.meta.name.clone(), |
| matches: sc_matcher.into(), |
| }); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub fn </span>groups_for_arg(<span class="kw-2">&</span><span class="self">self</span>, name: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><Vec<<span class="kw-2">&</span><span class="lifetime">'a </span>str>> { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::groups_for_arg: name={}"</span>, name); |
| |
| <span class="kw">if </span><span class="self">self</span>.groups.is_empty() { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::groups_for_arg: No groups defined"</span>); |
| <span class="kw">return </span><span class="prelude-val">None</span>; |
| } |
| <span class="kw">let </span><span class="kw-2">mut </span>res = <span class="macro">vec!</span>[]; |
| <span class="macro">debugln!</span>(<span class="string">"Parser::groups_for_arg: Searching through groups..."</span>); |
| <span class="kw">for </span>grp <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.groups { |
| <span class="kw">for </span>a <span class="kw">in </span><span class="kw-2">&</span>grp.args { |
| <span class="kw">if </span>a == <span class="kw-2">&</span>name { |
| <span class="macro">sdebugln!</span>(<span class="string">"\tFound '{}'"</span>, grp.name); |
| res.push(<span class="kw-2">&*</span>grp.name); |
| } |
| } |
| } |
| <span class="kw">if </span>res.is_empty() { |
| <span class="kw">return </span><span class="prelude-val">None</span>; |
| } |
| |
| <span class="prelude-val">Some</span>(res) |
| } |
| |
| <span class="kw">pub fn </span>args_in_group(<span class="kw-2">&</span><span class="self">self</span>, group: <span class="kw-2">&</span>str) -> Vec<String> { |
| <span class="macro">debug_assert!</span>(<span class="self">self</span>.app_debug_asserts()); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>g_vec = <span class="macro">vec!</span>[]; |
| <span class="kw">let </span><span class="kw-2">mut </span>args = <span class="macro">vec!</span>[]; |
| |
| <span class="kw">for </span>n <span class="kw">in </span><span class="kw-2">&</span><span class="self">self |
| </span>.groups |
| .iter() |
| .find(|g| g.name == group) |
| .expect(INTERNAL_ERROR_MSG) |
| .args |
| { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(f) = <span class="self">self</span>.flags.iter().find(|f| <span class="kw-2">&</span>f.b.name == n) { |
| args.push(f.to_string()); |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(f) = <span class="self">self</span>.opts.iter().find(|o| <span class="kw-2">&</span>o.b.name == n) { |
| args.push(f.to_string()); |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(p) = <span class="self">self</span>.positionals.values().find(|p| <span class="kw-2">&</span>p.b.name == n) { |
| args.push(p.b.name.to_owned()); |
| } <span class="kw">else </span>{ |
| g_vec.push(<span class="kw-2">*</span>n); |
| } |
| } |
| |
| <span class="kw">for </span>av <span class="kw">in </span>g_vec.iter().map(|g| <span class="self">self</span>.args_in_group(g)) { |
| args.extend(av); |
| } |
| args.dedup(); |
| args.iter().map(ToOwned::to_owned).collect() |
| } |
| |
| <span class="kw">pub fn </span>arg_names_in_group(<span class="kw-2">&</span><span class="self">self</span>, group: <span class="kw-2">&</span>str) -> Vec<<span class="kw-2">&</span><span class="lifetime">'a </span>str> { |
| <span class="kw">let </span><span class="kw-2">mut </span>g_vec = <span class="macro">vec!</span>[]; |
| <span class="kw">let </span><span class="kw-2">mut </span>args = <span class="macro">vec!</span>[]; |
| |
| <span class="kw">for </span>n <span class="kw">in </span><span class="kw-2">&</span><span class="self">self |
| </span>.groups |
| .iter() |
| .find(|g| g.name == group) |
| .expect(INTERNAL_ERROR_MSG) |
| .args |
| { |
| <span class="kw">if </span><span class="self">self</span>.groups.iter().any(|g| g.name == <span class="kw-2">*</span>n) { |
| args.extend(<span class="self">self</span>.arg_names_in_group(n)); |
| g_vec.push(<span class="kw-2">*</span>n); |
| } <span class="kw">else if </span>!args.contains(n) { |
| args.push(<span class="kw-2">*</span>n); |
| } |
| } |
| |
| args.iter().copied().collect() |
| } |
| |
| <span class="kw">pub fn </span>create_help_and_version(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::create_help_and_version;"</span>); |
| <span class="comment">// name is "hclap_help" because flags are sorted by name |
| </span><span class="kw">if </span>!<span class="self">self</span>.is_set(AS::DisableHelpFlags) && !<span class="self">self</span>.contains_long(<span class="string">"help"</span>) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::create_help_and_version: Building --help"</span>); |
| <span class="kw">if </span><span class="self">self</span>.help_short.is_none() && !<span class="self">self</span>.contains_short(<span class="string">'h'</span>) { |
| <span class="self">self</span>.help_short = <span class="prelude-val">Some</span>(<span class="string">'h'</span>); |
| } |
| <span class="kw">let </span>arg = FlagBuilder { |
| b: Base { |
| name: <span class="string">"hclap_help"</span>, |
| help: <span class="self">self</span>.help_message.or(<span class="prelude-val">Some</span>(<span class="string">"Prints help information"</span>)), |
| ..Default::default() |
| }, |
| s: Switched { |
| short: <span class="self">self</span>.help_short, |
| long: <span class="prelude-val">Some</span>(<span class="string">"help"</span>), |
| ..Default::default() |
| }, |
| }; |
| <span class="self">self</span>.flags.push(arg); |
| } |
| <span class="kw">if </span>!<span class="self">self</span>.is_set(AS::DisableVersion) && !<span class="self">self</span>.contains_long(<span class="string">"version"</span>) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::create_help_and_version: Building --version"</span>); |
| <span class="kw">if </span><span class="self">self</span>.version_short.is_none() && !<span class="self">self</span>.contains_short(<span class="string">'V'</span>) { |
| <span class="self">self</span>.version_short = <span class="prelude-val">Some</span>(<span class="string">'V'</span>); |
| } |
| <span class="comment">// name is "vclap_version" because flags are sorted by name |
| </span><span class="kw">let </span>arg = FlagBuilder { |
| b: Base { |
| name: <span class="string">"vclap_version"</span>, |
| help: <span class="self">self</span>.version_message.or(<span class="prelude-val">Some</span>(<span class="string">"Prints version information"</span>)), |
| ..Default::default() |
| }, |
| s: Switched { |
| short: <span class="self">self</span>.version_short, |
| long: <span class="prelude-val">Some</span>(<span class="string">"version"</span>), |
| ..Default::default() |
| }, |
| }; |
| <span class="self">self</span>.flags.push(arg); |
| } |
| <span class="kw">if </span>!<span class="self">self</span>.subcommands.is_empty() |
| && !<span class="self">self</span>.is_set(AS::DisableHelpSubcommand) |
| && <span class="self">self</span>.is_set(AS::NeedsSubcommandHelp) |
| { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::create_help_and_version: Building help"</span>); |
| <span class="self">self</span>.subcommands.push( |
| App::new(<span class="string">"help"</span>) |
| .about(<span class="string">"Prints this message or the help of the given subcommand(s)"</span>), |
| ); |
| } |
| } |
| |
| <span class="comment">// Retrieves the names of all args the user has supplied thus far, except required ones |
| // because those will be listed in self.required |
| </span><span class="kw">fn </span>check_for_help_and_version_str(<span class="kw-2">&</span><span class="self">self</span>, arg: <span class="kw-2">&</span>OsStr) -> ClapResult<()> { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::check_for_help_and_version_str;"</span>); |
| <span class="macro">debug!</span>( |
| <span class="string">"Parser::check_for_help_and_version_str: Checking if --{} is help or version..."</span>, |
| arg.to_str().unwrap() |
| ); |
| <span class="kw">if </span>arg == <span class="string">"help" </span>&& <span class="self">self</span>.is_set(AS::NeedsLongHelp) { |
| <span class="macro">sdebugln!</span>(<span class="string">"Help"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="self">self</span>._help(<span class="bool-val">true</span>)); |
| } |
| <span class="kw">if </span>arg == <span class="string">"version" </span>&& <span class="self">self</span>.is_set(AS::NeedsLongVersion) { |
| <span class="macro">sdebugln!</span>(<span class="string">"Version"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="self">self</span>._version(<span class="bool-val">true</span>)); |
| } |
| <span class="macro">sdebugln!</span>(<span class="string">"Neither"</span>); |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>check_for_help_and_version_char(<span class="kw-2">&</span><span class="self">self</span>, arg: char) -> ClapResult<()> { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::check_for_help_and_version_char;"</span>); |
| <span class="macro">debug!</span>( |
| <span class="string">"Parser::check_for_help_and_version_char: Checking if -{} is help or version..."</span>, |
| arg |
| ); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(h) = <span class="self">self</span>.help_short { |
| <span class="kw">if </span>arg == h && <span class="self">self</span>.is_set(AS::NeedsLongHelp) { |
| <span class="macro">sdebugln!</span>(<span class="string">"Help"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="self">self</span>._help(<span class="bool-val">false</span>)); |
| } |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(v) = <span class="self">self</span>.version_short { |
| <span class="kw">if </span>arg == v && <span class="self">self</span>.is_set(AS::NeedsLongVersion) { |
| <span class="macro">sdebugln!</span>(<span class="string">"Version"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="self">self</span>._version(<span class="bool-val">false</span>)); |
| } |
| } |
| <span class="macro">sdebugln!</span>(<span class="string">"Neither"</span>); |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>use_long_help(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="comment">// In this case, both must be checked. This allows the retention of |
| // original formatting, but also ensures that the actual -h or --help |
| // specified by the user is sent through. If HiddenShortHelp is not included, |
| // then items specified with hidden_short_help will also be hidden. |
| </span><span class="kw">let </span>should_long = |v: <span class="kw-2">&</span>Base| { |
| v.long_help.is_some() |
| || v.is_set(ArgSettings::HiddenLongHelp) |
| || v.is_set(ArgSettings::HiddenShortHelp) |
| }; |
| |
| <span class="self">self</span>.meta.long_about.is_some() |
| || <span class="self">self</span>.flags.iter().any(|f| should_long(<span class="kw-2">&</span>f.b)) |
| || <span class="self">self</span>.opts.iter().any(|o| should_long(<span class="kw-2">&</span>o.b)) |
| || <span class="self">self</span>.positionals.values().any(|p| should_long(<span class="kw-2">&</span>p.b)) |
| || <span class="self">self |
| </span>.subcommands |
| .iter() |
| .any(|s| s.p.meta.long_about.is_some()) |
| } |
| |
| <span class="kw">fn </span>_help(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">mut </span>use_long: bool) -> Error { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::_help: use_long={:?}"</span>, use_long); |
| use_long = use_long && <span class="self">self</span>.use_long_help(); |
| <span class="kw">let </span><span class="kw-2">mut </span>buf = <span class="macro">vec!</span>[]; |
| <span class="kw">match </span>Help::write_parser_help(<span class="kw-2">&mut </span>buf, <span class="self">self</span>, use_long) { |
| <span class="prelude-val">Err</span>(e) => e, |
| <span class="kw">_ </span>=> Error { |
| message: String::from_utf8(buf).unwrap_or_default(), |
| kind: ErrorKind::HelpDisplayed, |
| info: <span class="prelude-val">None</span>, |
| }, |
| } |
| } |
| |
| <span class="kw">fn </span>_version(<span class="kw-2">&</span><span class="self">self</span>, use_long: bool) -> Error { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::_version: "</span>); |
| <span class="kw">let </span>out = io::stdout(); |
| <span class="kw">let </span><span class="kw-2">mut </span>buf_w = BufWriter::new(out.lock()); |
| <span class="kw">match </span><span class="self">self</span>.print_version(<span class="kw-2">&mut </span>buf_w, use_long) { |
| <span class="prelude-val">Err</span>(e) => e, |
| <span class="kw">_ </span>=> Error { |
| message: String::new(), |
| kind: ErrorKind::VersionDisplayed, |
| info: <span class="prelude-val">None</span>, |
| }, |
| } |
| } |
| |
| <span class="kw">fn </span>parse_long_arg<I, T>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| full_arg: <span class="kw-2">&</span>OsStr, |
| it: <span class="kw-2">&mut </span>Peekable<I>, |
| ) -> ClapResult<ParseResult<<span class="lifetime">'a</span>>> |
| <span class="kw">where |
| </span>I: Iterator<Item = T>, |
| T: Into<OsString> + Clone, |
| { |
| <span class="comment">// maybe here lifetime should be 'a |
| </span><span class="macro">debugln!</span>(<span class="string">"Parser::parse_long_arg;"</span>); |
| |
| <span class="comment">// Update the current index |
| </span><span class="self">self</span>.cur_idx.set(<span class="self">self</span>.cur_idx.get() + <span class="number">1</span>); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>val = <span class="prelude-val">None</span>; |
| <span class="macro">debug!</span>(<span class="string">"Parser::parse_long_arg: Does it contain '='..."</span>); |
| <span class="kw">let </span>arg = <span class="kw">if </span>full_arg.contains_byte(<span class="string">b'='</span>) { |
| <span class="kw">let </span>(p0, p1) = full_arg.trim_left_matches(<span class="string">b'-'</span>).split_at_byte(<span class="string">b'='</span>); |
| <span class="macro">sdebugln!</span>(<span class="string">"Yes '{:?}'"</span>, p1); |
| val = <span class="prelude-val">Some</span>(p1); |
| p0 |
| } <span class="kw">else </span>{ |
| <span class="macro">sdebugln!</span>(<span class="string">"No"</span>); |
| full_arg.trim_left_matches(<span class="string">b'-'</span>) |
| }; |
| |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(opt) = <span class="macro">find_opt_by_long!</span>(@os <span class="self">self</span>, arg) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::parse_long_arg: Found valid opt '{}'"</span>, |
| opt.to_string() |
| ); |
| <span class="self">self</span>.settings.set(AS::ValidArgFound); |
| <span class="kw">let </span>ret = <span class="self">self</span>.parse_opt(val, opt, val.is_some(), matcher)<span class="question-mark">?</span>; |
| <span class="kw">if </span><span class="self">self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != opt.b.name) { |
| <span class="self">self</span>.cache = <span class="prelude-val">Some</span>(opt.b.name); |
| } |
| |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ret); |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(flag) = <span class="macro">find_flag_by_long!</span>(@os <span class="self">self</span>, arg) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::parse_long_arg: Found valid flag '{}'"</span>, |
| flag.to_string() |
| ); |
| <span class="self">self</span>.settings.set(AS::ValidArgFound); |
| <span class="comment">// Only flags could be help or version, and we need to check the raw long |
| // so this is the first point to check |
| </span><span class="self">self</span>.check_for_help_and_version_str(arg)<span class="question-mark">?</span>; |
| |
| <span class="self">self</span>.parse_flag(flag, matcher)<span class="question-mark">?</span>; |
| |
| <span class="comment">// Handle conflicts, requirements, etc. |
| </span><span class="kw">if </span><span class="self">self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != flag.b.name) { |
| <span class="self">self</span>.cache = <span class="prelude-val">Some</span>(flag.b.name); |
| } |
| |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ParseResult::Flag); |
| } <span class="kw">else if </span><span class="self">self</span>.is_set(AS::AllowLeadingHyphen) { |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ParseResult::MaybeHyphenValue); |
| } <span class="kw">else if </span><span class="self">self</span>.is_set(AS::ValidNegNumFound) { |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ParseResult::MaybeNegNum); |
| } |
| |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_long_arg: Didn't match anything"</span>); |
| |
| <span class="kw">let </span>args_rest: Vec<<span class="kw">_</span>> = it.map(|x| x.into()).collect(); |
| <span class="kw">let </span>args_rest2: Vec<<span class="kw">_</span>> = args_rest |
| .iter() |
| .map(|x| x.to_str().expect(INVALID_UTF8)) |
| .collect(); |
| <span class="self">self</span>.did_you_mean_error(arg.to_str().expect(INVALID_UTF8), matcher, <span class="kw-2">&</span>args_rest2[..]) |
| .map(|<span class="kw">_</span>| ParseResult::NotFound) |
| } |
| |
| <span class="kw">fn </span>parse_short_arg( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| full_arg: <span class="kw-2">&</span>OsStr, |
| ) -> ClapResult<ParseResult<<span class="lifetime">'a</span>>> { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_short_arg: full_arg={:?}"</span>, full_arg); |
| <span class="kw">let </span>arg_os = full_arg.trim_left_matches(<span class="string">b'-'</span>); |
| <span class="kw">let </span>arg = arg_os.to_string_lossy(); |
| |
| <span class="comment">// If AllowLeadingHyphen is set, we want to ensure `-val` gets parsed as `-val` and not |
| // `-v` `-a` `-l` assuming `v` `a` and `l` are all, or mostly, valid shorts. |
| </span><span class="kw">if </span><span class="self">self</span>.is_set(AS::AllowLeadingHyphen) { |
| <span class="kw">if </span>arg.chars().any(|c| !<span class="self">self</span>.contains_short(c)) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::parse_short_arg: LeadingHyphenAllowed yet -{} isn't valid"</span>, |
| arg |
| ); |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ParseResult::MaybeHyphenValue); |
| } |
| } <span class="kw">else if </span><span class="self">self</span>.is_set(AS::ValidNegNumFound) { |
| <span class="comment">// TODO: Add docs about having AllowNegativeNumbers and `-2` as a valid short |
| // May be better to move this to *after* not finding a valid flag/opt? |
| </span><span class="macro">debugln!</span>(<span class="string">"Parser::parse_short_arg: Valid negative num..."</span>); |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ParseResult::MaybeNegNum); |
| } |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>ret = ParseResult::NotFound; |
| <span class="kw">for </span>c <span class="kw">in </span>arg.chars() { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_short_arg:iter:{}"</span>, c); |
| |
| <span class="comment">// update each index because `-abcd` is four indices to clap |
| </span><span class="self">self</span>.cur_idx.set(<span class="self">self</span>.cur_idx.get() + <span class="number">1</span>); |
| |
| <span class="comment">// Check for matching short options, and return the name if there is no trailing |
| // concatenated value: -oval |
| // Option: -o |
| // Value: val |
| </span><span class="kw">if let </span><span class="prelude-val">Some</span>(opt) = <span class="macro">find_opt_by_short!</span>(<span class="self">self</span>, c) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_short_arg:iter:{}: Found valid opt"</span>, c); |
| <span class="self">self</span>.settings.set(AS::ValidArgFound); |
| <span class="comment">// Check for trailing concatenated value |
| </span><span class="kw">let </span>p: Vec<<span class="kw">_</span>> = arg.splitn(<span class="number">2</span>, c).collect(); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::parse_short_arg:iter:{}: p[0]={:?}, p[1]={:?}"</span>, |
| c, |
| p[<span class="number">0</span>].as_bytes(), |
| p[<span class="number">1</span>].as_bytes() |
| ); |
| <span class="kw">let </span>i = p[<span class="number">0</span>].as_bytes().len() + <span class="number">1</span>; |
| <span class="kw">let </span>val = <span class="kw">if </span>!p[<span class="number">1</span>].as_bytes().is_empty() { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::parse_short_arg:iter:{}: val={:?} (bytes), val={:?} (ascii)"</span>, |
| c, |
| arg_os.split_at(i).<span class="number">1</span>.as_bytes(), |
| arg_os.split_at(i).<span class="number">1 |
| </span>); |
| <span class="prelude-val">Some</span>(arg_os.split_at(i).<span class="number">1</span>) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">None |
| </span>}; |
| |
| <span class="comment">// Default to "we're expecting a value later" |
| </span><span class="kw">let </span>ret = <span class="self">self</span>.parse_opt(val, opt, <span class="bool-val">false</span>, matcher)<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span><span class="self">self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != opt.b.name) { |
| <span class="self">self</span>.cache = <span class="prelude-val">Some</span>(opt.b.name); |
| } |
| |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ret); |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(flag) = <span class="macro">find_flag_by_short!</span>(<span class="self">self</span>, c) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_short_arg:iter:{}: Found valid flag"</span>, c); |
| <span class="self">self</span>.settings.set(AS::ValidArgFound); |
| <span class="comment">// Only flags can be help or version |
| </span><span class="self">self</span>.check_for_help_and_version_char(c)<span class="question-mark">?</span>; |
| ret = <span class="self">self</span>.parse_flag(flag, matcher)<span class="question-mark">?</span>; |
| |
| <span class="comment">// Handle conflicts, requirements, overrides, etc. |
| // Must be called here due to mutabililty |
| </span><span class="kw">if </span><span class="self">self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != flag.b.name) { |
| <span class="self">self</span>.cache = <span class="prelude-val">Some</span>(flag.b.name); |
| } |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>arg = <span class="macro">format!</span>(<span class="string">"-{}"</span>, c); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::unknown_argument( |
| <span class="kw-2">&*</span>arg, |
| <span class="string">""</span>, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| } |
| <span class="prelude-val">Ok</span>(ret) |
| } |
| |
| <span class="kw">fn </span>parse_opt( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| val: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>OsStr>, |
| opt: <span class="kw-2">&</span>OptBuilder<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>, |
| had_eq: bool, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| ) -> ClapResult<ParseResult<<span class="lifetime">'a</span>>> { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_opt; opt={}, val={:?}"</span>, opt.b.name, val); |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_opt; opt.settings={:?}"</span>, opt.b.settings); |
| <span class="kw">let </span><span class="kw-2">mut </span>has_eq = <span class="bool-val">false</span>; |
| <span class="kw">let </span>no_val = val.is_none(); |
| <span class="kw">let </span>empty_vals = opt.is_set(ArgSettings::EmptyValues); |
| <span class="kw">let </span>min_vals_zero = opt.v.min_vals.unwrap_or(<span class="number">1</span>) == <span class="number">0</span>; |
| <span class="kw">let </span>needs_eq = opt.is_set(ArgSettings::RequireEquals); |
| |
| <span class="macro">debug!</span>(<span class="string">"Parser::parse_opt; Checking for val..."</span>); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(fv) = val { |
| has_eq = fv.starts_with(<span class="kw-2">&</span>[<span class="string">b'='</span>]) || had_eq; |
| <span class="kw">let </span>v = fv.trim_left_matches(<span class="string">b'='</span>); |
| <span class="kw">if </span>!empty_vals && (v.is_empty() || (needs_eq && !has_eq)) { |
| <span class="macro">sdebugln!</span>(<span class="string">"Found Empty - Error"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::empty_value( |
| opt, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } |
| <span class="macro">sdebugln!</span>(<span class="string">"Found - {:?}, len: {}"</span>, v, v.len()); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::parse_opt: {:?} contains '='...{:?}"</span>, |
| fv, |
| fv.starts_with(<span class="kw-2">&</span>[<span class="string">b'='</span>]) |
| ); |
| <span class="self">self</span>.add_val_to_arg(opt, v, matcher)<span class="question-mark">?</span>; |
| } <span class="kw">else if </span>needs_eq && !(empty_vals || min_vals_zero) { |
| <span class="macro">sdebugln!</span>(<span class="string">"None, but requires equals...Error"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::empty_value( |
| opt, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )); |
| } <span class="kw">else </span>{ |
| <span class="macro">sdebugln!</span>(<span class="string">"None"</span>); |
| } |
| |
| matcher.inc_occurrence_of(opt.b.name); |
| <span class="comment">// Increment or create the group "args" |
| </span><span class="kw">if let </span><span class="prelude-val">Some</span>(vec) = <span class="self">self</span>.groups_for_arg(opt.b.name) { |
| matcher.inc_occurrences_of(<span class="kw-2">&*</span>vec); |
| } |
| |
| <span class="kw">let </span>needs_delim = opt.is_set(ArgSettings::RequireDelimiter); |
| <span class="kw">let </span>mult = opt.is_set(ArgSettings::Multiple); |
| <span class="kw">if </span>no_val && min_vals_zero && !has_eq && needs_eq { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_opt: More arg vals not required..."</span>); |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ParseResult::ValuesDone); |
| } <span class="kw">else if </span>no_val || (mult && !needs_delim) && !has_eq && matcher.needs_more_vals(opt) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_opt: More arg vals required..."</span>); |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ParseResult::Opt(opt.b.name)); |
| } |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_opt: More arg vals not required..."</span>); |
| <span class="prelude-val">Ok</span>(ParseResult::ValuesDone) |
| } |
| |
| <span class="kw">fn </span>add_val_to_arg<A>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| arg: <span class="kw-2">&</span>A, |
| val: <span class="kw-2">&</span>OsStr, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| ) -> ClapResult<ParseResult<<span class="lifetime">'a</span>>> |
| <span class="kw">where |
| </span>A: AnyArg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> + Display, |
| { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::add_val_to_arg; arg={}, val={:?}"</span>, arg.name(), val); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::add_val_to_arg; trailing_vals={:?}, DontDelimTrailingVals={:?}"</span>, |
| <span class="self">self</span>.is_set(AS::TrailingValues), |
| <span class="self">self</span>.is_set(AS::DontDelimitTrailingValues) |
| ); |
| <span class="kw">if </span>!(<span class="self">self</span>.is_set(AS::TrailingValues) && <span class="self">self</span>.is_set(AS::DontDelimitTrailingValues)) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(delim) = arg.val_delim() { |
| <span class="kw">if </span>val.is_empty() { |
| <span class="prelude-val">Ok</span>(<span class="self">self</span>.add_single_val_to_arg(arg, val, matcher)<span class="question-mark">?</span>) |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span><span class="kw-2">mut </span>iret = ParseResult::ValuesDone; |
| <span class="kw">for </span>v <span class="kw">in </span>val.split(delim <span class="kw">as </span>u32 <span class="kw">as </span>u8) { |
| iret = <span class="self">self</span>.add_single_val_to_arg(arg, v, matcher)<span class="question-mark">?</span>; |
| } |
| <span class="comment">// If there was a delimiter used, we're not looking for more values |
| </span><span class="kw">if </span>val.contains_byte(delim <span class="kw">as </span>u32 <span class="kw">as </span>u8) |
| || arg.is_set(ArgSettings::RequireDelimiter) |
| { |
| iret = ParseResult::ValuesDone; |
| } |
| <span class="prelude-val">Ok</span>(iret) |
| } |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.add_single_val_to_arg(arg, val, matcher) |
| } |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.add_single_val_to_arg(arg, val, matcher) |
| } |
| } |
| |
| <span class="kw">fn </span>add_single_val_to_arg<A>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| arg: <span class="kw-2">&</span>A, |
| v: <span class="kw-2">&</span>OsStr, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| ) -> ClapResult<ParseResult<<span class="lifetime">'a</span>>> |
| <span class="kw">where |
| </span>A: AnyArg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> + Display, |
| { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::add_single_val_to_arg;"</span>); |
| <span class="macro">debugln!</span>(<span class="string">"Parser::add_single_val_to_arg: adding val...{:?}"</span>, v); |
| |
| <span class="comment">// update the current index because each value is a distinct index to clap |
| </span><span class="self">self</span>.cur_idx.set(<span class="self">self</span>.cur_idx.get() + <span class="number">1</span>); |
| |
| <span class="comment">// @TODO @docs @p4: docs for indices should probably note that a terminator isn't a value |
| // and therefore not reported in indices |
| </span><span class="kw">if let </span><span class="prelude-val">Some</span>(t) = arg.val_terminator() { |
| <span class="kw">if </span>t == v { |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ParseResult::ValuesDone); |
| } |
| } |
| |
| matcher.add_val_to(arg.name(), v); |
| matcher.add_index_to(arg.name(), <span class="self">self</span>.cur_idx.get()); |
| |
| <span class="comment">// Increment or create the group "args" |
| </span><span class="kw">if let </span><span class="prelude-val">Some</span>(grps) = <span class="self">self</span>.groups_for_arg(arg.name()) { |
| <span class="kw">for </span>grp <span class="kw">in </span>grps { |
| matcher.add_val_to(<span class="kw-2">&*</span>grp, v); |
| } |
| } |
| |
| <span class="kw">if </span>matcher.needs_more_vals(arg) { |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(ParseResult::Opt(arg.name())); |
| } |
| <span class="prelude-val">Ok</span>(ParseResult::ValuesDone) |
| } |
| |
| <span class="kw">fn </span>parse_flag( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| flag: <span class="kw-2">&</span>FlagBuilder<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| ) -> ClapResult<ParseResult<<span class="lifetime">'a</span>>> { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::parse_flag;"</span>); |
| |
| matcher.inc_occurrence_of(flag.b.name); |
| matcher.add_index_to(flag.b.name, <span class="self">self</span>.cur_idx.get()); |
| |
| <span class="comment">// Increment or create the group "args" |
| </span><span class="kw">if let </span><span class="prelude-val">Some</span>(vec) = <span class="self">self</span>.groups_for_arg(flag.b.name) { |
| matcher.inc_occurrences_of(<span class="kw-2">&*</span>vec); |
| } |
| |
| <span class="prelude-val">Ok</span>(ParseResult::Flag) |
| } |
| |
| <span class="kw">fn </span>did_you_mean_error( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| arg: <span class="kw-2">&</span>str, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| args_rest: <span class="kw-2">&</span>[<span class="kw-2">&</span>str], |
| ) -> ClapResult<()> { |
| <span class="comment">// Didn't match a flag or option |
| </span><span class="kw">let </span>suffix = |
| suggestions::did_you_mean_flag_suffix(arg, args_rest, <span class="macro">longs!</span>(<span class="self">self</span>), <span class="kw-2">&</span><span class="self">self</span>.subcommands); |
| |
| <span class="comment">// Add the arg to the matches to build a proper usage string |
| </span><span class="kw">if let </span><span class="prelude-val">Some</span>(name) = suffix.<span class="number">1 </span>{ |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(opt) = <span class="macro">find_opt_by_long!</span>(<span class="self">self</span>, name) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(grps) = <span class="self">self</span>.groups_for_arg(<span class="kw-2">&*</span>opt.b.name) { |
| matcher.inc_occurrences_of(<span class="kw-2">&*</span>grps); |
| } |
| matcher.insert(<span class="kw-2">&*</span>opt.b.name); |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(flg) = <span class="macro">find_flag_by_long!</span>(<span class="self">self</span>, name) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(grps) = <span class="self">self</span>.groups_for_arg(<span class="kw-2">&*</span>flg.b.name) { |
| matcher.inc_occurrences_of(<span class="kw-2">&*</span>grps); |
| } |
| matcher.insert(<span class="kw-2">&*</span>flg.b.name); |
| } |
| } |
| |
| <span class="kw">let </span>used_arg = <span class="macro">format!</span>(<span class="string">"--{}"</span>, arg); |
| <span class="prelude-val">Err</span>(Error::unknown_argument( |
| <span class="kw-2">&*</span>used_arg, |
| <span class="kw-2">&*</span>suffix.<span class="number">0</span>, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.color(), |
| )) |
| } |
| |
| <span class="comment">// Prints the version to the user and exits if quit=true |
| </span><span class="kw">fn </span>print_version<W: Write>(<span class="kw-2">&</span><span class="self">self</span>, w: <span class="kw-2">&mut </span>W, use_long: bool) -> ClapResult<()> { |
| <span class="self">self</span>.write_version(w, use_long)<span class="question-mark">?</span>; |
| w.flush().map_err(Error::from) |
| } |
| |
| <span class="kw">pub fn </span>write_version<W: Write>(<span class="kw-2">&</span><span class="self">self</span>, w: <span class="kw-2">&mut </span>W, use_long: bool) -> io::Result<()> { |
| <span class="kw">let </span>ver = <span class="kw">if </span>use_long { |
| <span class="self">self</span>.meta |
| .long_version |
| .unwrap_or_else(|| <span class="self">self</span>.meta.version.unwrap_or(<span class="string">""</span>)) |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.meta |
| .version |
| .unwrap_or_else(|| <span class="self">self</span>.meta.long_version.unwrap_or(<span class="string">""</span>)) |
| }; |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(bn) = <span class="self">self</span>.meta.bin_name.as_ref() { |
| <span class="kw">if </span>bn.contains(<span class="string">' '</span>) { |
| <span class="comment">// Incase we're dealing with subcommands i.e. git mv is translated to git-mv |
| </span><span class="macro">write!</span>(w, <span class="string">"{} {}"</span>, bn.replace(<span class="string">" "</span>, <span class="string">"-"</span>), ver) |
| } <span class="kw">else </span>{ |
| <span class="macro">write!</span>(w, <span class="string">"{} {}"</span>, <span class="kw-2">&</span><span class="self">self</span>.meta.name[..], ver) |
| } |
| } <span class="kw">else </span>{ |
| <span class="macro">write!</span>(w, <span class="string">"{} {}"</span>, <span class="kw-2">&</span><span class="self">self</span>.meta.name[..], ver) |
| } |
| } |
| |
| <span class="kw">pub fn </span>print_help(<span class="kw-2">&</span><span class="self">self</span>) -> ClapResult<()> { |
| <span class="kw">let </span>out = io::stdout(); |
| <span class="kw">let </span><span class="kw-2">mut </span>buf_w = BufWriter::new(out.lock()); |
| <span class="self">self</span>.write_help(<span class="kw-2">&mut </span>buf_w) |
| } |
| |
| <span class="kw">pub fn </span>write_help<W: Write>(<span class="kw-2">&</span><span class="self">self</span>, w: <span class="kw-2">&mut </span>W) -> ClapResult<()> { |
| Help::write_parser_help(w, <span class="self">self</span>, <span class="bool-val">false</span>) |
| } |
| |
| <span class="kw">pub fn </span>write_long_help<W: Write>(<span class="kw-2">&</span><span class="self">self</span>, w: <span class="kw-2">&mut </span>W) -> ClapResult<()> { |
| Help::write_parser_help(w, <span class="self">self</span>, <span class="bool-val">true</span>) |
| } |
| |
| <span class="kw">pub fn </span>write_help_err<W: Write>(<span class="kw-2">&</span><span class="self">self</span>, w: <span class="kw-2">&mut </span>W) -> ClapResult<()> { |
| Help::write_parser_help_to_stderr(w, <span class="self">self</span>) |
| } |
| |
| <span class="kw">pub fn </span>add_defaults(<span class="kw-2">&mut </span><span class="self">self</span>, matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>) -> ClapResult<()> { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::add_defaults;"</span>); |
| <span class="macro">macro_rules! </span>add_val { |
| (@default <span class="macro-nonterminal">$_self</span>:ident, <span class="macro-nonterminal">$a</span>:ident, <span class="macro-nonterminal">$m</span>:ident) => { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>val) = <span class="macro-nonterminal">$a</span>.v.default_val { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::add_defaults:iter:{}: has default vals"</span>, <span class="macro-nonterminal">$a</span>.b.name); |
| <span class="kw">if </span><span class="macro-nonterminal">$m</span>.get(<span class="macro-nonterminal">$a</span>.b.name).map(|ma| ma.vals.len()).map(|len| len == <span class="number">0</span>).unwrap_or(<span class="bool-val">false</span>) { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::add_defaults:iter:{}: has no user defined vals"</span>, <span class="macro-nonterminal">$a</span>.b.name); |
| <span class="macro-nonterminal">$_self</span>.add_val_to_arg(<span class="macro-nonterminal">$a</span>, OsStr::new(val), <span class="macro-nonterminal">$m</span>)<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span><span class="macro-nonterminal">$_self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != <span class="macro-nonterminal">$a</span>.name()) { |
| <span class="macro-nonterminal">$_self</span>.cache = <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$a</span>.name()); |
| } |
| } <span class="kw">else if </span><span class="macro-nonterminal">$m</span>.get(<span class="macro-nonterminal">$a</span>.b.name).is_some() { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::add_defaults:iter:{}: has user defined vals"</span>, <span class="macro-nonterminal">$a</span>.b.name); |
| } <span class="kw">else </span>{ |
| <span class="macro">debugln!</span>(<span class="string">"Parser::add_defaults:iter:{}: wasn't used"</span>, <span class="macro-nonterminal">$a</span>.b.name); |
| |
| <span class="macro-nonterminal">$_self</span>.add_val_to_arg(<span class="macro-nonterminal">$a</span>, OsStr::new(val), <span class="macro-nonterminal">$m</span>)<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span><span class="macro-nonterminal">$_self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != <span class="macro-nonterminal">$a</span>.name()) { |
| <span class="macro-nonterminal">$_self</span>.cache = <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$a</span>.name()); |
| } |
| } |
| } <span class="kw">else </span>{ |
| <span class="macro">debugln!</span>(<span class="string">"Parser::add_defaults:iter:{}: doesn't have default vals"</span>, <span class="macro-nonterminal">$a</span>.b.name); |
| } |
| }; |
| (<span class="macro-nonterminal">$_self</span>:ident, <span class="macro-nonterminal">$a</span>:ident, <span class="macro-nonterminal">$m</span>:ident) => { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>vm) = <span class="macro-nonterminal">$a</span>.v.default_vals_ifs { |
| <span class="macro">sdebugln!</span>(<span class="string">" has conditional defaults"</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>done = <span class="bool-val">false</span>; |
| <span class="kw">if </span><span class="macro-nonterminal">$m</span>.get(<span class="macro-nonterminal">$a</span>.b.name).is_none() { |
| <span class="kw">for </span><span class="kw-2">&</span>(arg, val, default) <span class="kw">in </span>vm.values() { |
| <span class="kw">let </span>add = <span class="kw">if let </span><span class="prelude-val">Some</span>(a) = <span class="macro-nonterminal">$m</span>.get(arg) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(v) = val { |
| a.vals.iter().any(|value| v == value) |
| } <span class="kw">else </span>{ |
| <span class="bool-val">true |
| </span>} |
| } <span class="kw">else </span>{ |
| <span class="bool-val">false |
| </span>}; |
| <span class="kw">if </span>add { |
| <span class="macro-nonterminal">$_self</span>.add_val_to_arg(<span class="macro-nonterminal">$a</span>, OsStr::new(default), <span class="macro-nonterminal">$m</span>)<span class="question-mark">?</span>; |
| <span class="kw">if </span><span class="macro-nonterminal">$_self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != <span class="macro-nonterminal">$a</span>.name()) { |
| <span class="macro-nonterminal">$_self</span>.cache = <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$a</span>.name()); |
| } |
| done = <span class="bool-val">true</span>; |
| <span class="kw">break</span>; |
| } |
| } |
| } |
| |
| <span class="kw">if </span>done { |
| <span class="kw">continue</span>; <span class="comment">// outer loop (outside macro) |
| </span>} |
| } <span class="kw">else </span>{ |
| <span class="macro">sdebugln!</span>(<span class="string">" doesn't have conditional defaults"</span>); |
| } |
| <span class="macro">add_val!</span>(@default <span class="macro-nonterminal">$_self</span>, <span class="macro-nonterminal">$a</span>, <span class="macro-nonterminal">$m</span>) |
| }; |
| } |
| |
| <span class="kw">for </span>o <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.opts { |
| <span class="macro">debug!</span>(<span class="string">"Parser::add_defaults:iter:{}:"</span>, o.b.name); |
| <span class="macro">add_val!</span>(<span class="self">self</span>, o, matcher); |
| } |
| <span class="kw">for </span>p <span class="kw">in </span><span class="self">self</span>.positionals.values() { |
| <span class="macro">debug!</span>(<span class="string">"Parser::add_defaults:iter:{}:"</span>, p.b.name); |
| <span class="macro">add_val!</span>(<span class="self">self</span>, p, matcher); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub fn </span>add_env(<span class="kw-2">&mut </span><span class="self">self</span>, matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>) -> ClapResult<()> { |
| <span class="macro">macro_rules! </span>add_val { |
| (<span class="macro-nonterminal">$_self</span>:ident, <span class="macro-nonterminal">$a</span>:ident, <span class="macro-nonterminal">$m</span>:ident) => { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>val) = <span class="macro-nonterminal">$a</span>.v.env { |
| <span class="kw">if </span><span class="macro-nonterminal">$m |
| </span>.get(<span class="macro-nonterminal">$a</span>.b.name) |
| .map(|ma| ma.vals.len()) |
| .map(|len| len == <span class="number">0</span>) |
| .unwrap_or(<span class="bool-val">false</span>) |
| { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>val) = val.<span class="number">1 </span>{ |
| <span class="macro-nonterminal">$_self</span>.add_val_to_arg(<span class="macro-nonterminal">$a</span>, OsStr::new(val), <span class="macro-nonterminal">$m</span>)<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span><span class="macro-nonterminal">$_self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != <span class="macro-nonterminal">$a</span>.name()) { |
| <span class="macro-nonterminal">$_self</span>.cache = <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$a</span>.name()); |
| } |
| } |
| } <span class="kw">else </span>{ |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>val) = val.<span class="number">1 </span>{ |
| <span class="macro-nonterminal">$_self</span>.add_val_to_arg(<span class="macro-nonterminal">$a</span>, OsStr::new(val), <span class="macro-nonterminal">$m</span>)<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span><span class="macro-nonterminal">$_self</span>.cache.map_or(<span class="bool-val">true</span>, |name| name != <span class="macro-nonterminal">$a</span>.name()) { |
| <span class="macro-nonterminal">$_self</span>.cache = <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$a</span>.name()); |
| } |
| } |
| } |
| } |
| }; |
| } |
| |
| <span class="kw">for </span>o <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.opts { |
| <span class="macro">add_val!</span>(<span class="self">self</span>, o, matcher); |
| } |
| <span class="kw">for </span>p <span class="kw">in </span><span class="self">self</span>.positionals.values() { |
| <span class="macro">add_val!</span>(<span class="self">self</span>, p, matcher); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub fn </span>flags(<span class="kw-2">&</span><span class="self">self</span>) -> Iter<FlagBuilder<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>> { |
| <span class="self">self</span>.flags.iter() |
| } |
| |
| <span class="kw">pub fn </span>opts(<span class="kw-2">&</span><span class="self">self</span>) -> Iter<OptBuilder<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>> { |
| <span class="self">self</span>.opts.iter() |
| } |
| |
| <span class="kw">pub fn </span>positionals(<span class="kw-2">&</span><span class="self">self</span>) -> map::Values<PosBuilder<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>> { |
| <span class="self">self</span>.positionals.values() |
| } |
| |
| <span class="kw">pub fn </span>subcommands(<span class="kw-2">&</span><span class="self">self</span>) -> Iter<App> { |
| <span class="self">self</span>.subcommands.iter() |
| } |
| |
| <span class="comment">// Should we color the output? None=determined by output location, true=yes, false=no |
| </span><span class="attribute">#[doc(hidden)] |
| </span><span class="kw">pub fn </span>color(<span class="kw-2">&</span><span class="self">self</span>) -> ColorWhen { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::color;"</span>); |
| <span class="macro">debug!</span>(<span class="string">"Parser::color: Color setting..."</span>); |
| <span class="kw">if </span><span class="self">self</span>.is_set(AS::ColorNever) { |
| <span class="macro">sdebugln!</span>(<span class="string">"Never"</span>); |
| ColorWhen::Never |
| } <span class="kw">else if </span><span class="self">self</span>.is_set(AS::ColorAlways) { |
| <span class="macro">sdebugln!</span>(<span class="string">"Always"</span>); |
| ColorWhen::Always |
| } <span class="kw">else </span>{ |
| <span class="macro">sdebugln!</span>(<span class="string">"Auto"</span>); |
| ColorWhen::Auto |
| } |
| } |
| |
| <span class="kw">pub fn </span>find_any_arg(<span class="kw-2">&</span><span class="self">self</span>, name: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>AnyArg<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>> { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(f) = <span class="macro">find_by_name!</span>(<span class="self">self</span>, name, flags, iter) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(f); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(o) = <span class="macro">find_by_name!</span>(<span class="self">self</span>, name, opts, iter) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(o); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(p) = <span class="macro">find_by_name!</span>(<span class="self">self</span>, name, positionals, values) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(p); |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="doccomment">/// Check is a given string matches the binary name for this parser |
| </span><span class="kw">fn </span>is_bin_name(<span class="kw-2">&</span><span class="self">self</span>, value: <span class="kw-2">&</span>str) -> bool { |
| <span class="self">self</span>.meta |
| .bin_name |
| .as_ref() |
| .map(|name| value == name) |
| .unwrap_or(<span class="bool-val">false</span>) |
| } |
| |
| <span class="doccomment">/// Check is a given string is an alias for this parser |
| </span><span class="kw">fn </span>is_alias(<span class="kw-2">&</span><span class="self">self</span>, value: <span class="kw-2">&</span>str) -> bool { |
| <span class="self">self</span>.meta |
| .aliases |
| .as_ref() |
| .map(|aliases| { |
| <span class="kw">for </span>alias <span class="kw">in </span>aliases { |
| <span class="kw">if </span>alias.<span class="number">0 </span>== value { |
| <span class="kw">return </span><span class="bool-val">true</span>; |
| } |
| } |
| <span class="bool-val">false |
| </span>}) |
| .unwrap_or(<span class="bool-val">false</span>) |
| } |
| |
| <span class="comment">// Only used for completion scripts due to bin_name messiness |
| </span><span class="attribute">#[cfg_attr(feature = <span class="string">"lints"</span>, allow(block_in_if_condition_stmt))] |
| </span><span class="kw">pub fn </span>find_subcommand(<span class="kw-2">&</span><span class="lifetime">'b </span><span class="self">self</span>, sc: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'b </span>App<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>> { |
| <span class="macro">debugln!</span>(<span class="string">"Parser::find_subcommand: sc={}"</span>, sc); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Parser::find_subcommand: Currently in Parser...{}"</span>, |
| <span class="self">self</span>.meta.bin_name.as_ref().unwrap() |
| ); |
| <span class="kw">for </span>s <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.subcommands { |
| <span class="kw">if </span>s.p.is_bin_name(sc) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(s); |
| } |
| <span class="comment">// XXX: why do we split here? |
| // isn't `sc` supposed to be single word already? |
| </span><span class="kw">let </span>last = sc.split(<span class="string">' '</span>).rev().next().expect(INTERNAL_ERROR_MSG); |
| <span class="kw">if </span>s.p.is_alias(last) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(s); |
| } |
| |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(app) = s.p.find_subcommand(sc) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(app); |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>contains_long(<span class="kw-2">&</span><span class="self">self</span>, l: <span class="kw-2">&</span>str) -> bool { |
| <span class="macro">longs!</span>(<span class="self">self</span>).any(|al| al == <span class="kw-2">&</span>l) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>contains_short(<span class="kw-2">&</span><span class="self">self</span>, s: char) -> bool { |
| <span class="macro">shorts!</span>(<span class="self">self</span>).any(|arg_s| arg_s == <span class="kw-2">&</span>s) |
| } |
| } |
| </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> |
