| <!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/validator.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>validator.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="523">523</span> |
| <span id="524">524</span> |
| <span id="525">525</span> |
| <span id="526">526</span> |
| <span id="527">527</span> |
| <span id="528">528</span> |
| <span id="529">529</span> |
| <span id="530">530</span> |
| <span id="531">531</span> |
| <span id="532">532</span> |
| <span id="533">533</span> |
| <span id="534">534</span> |
| <span id="535">535</span> |
| <span id="536">536</span> |
| <span id="537">537</span> |
| <span id="538">538</span> |
| <span id="539">539</span> |
| <span id="540">540</span> |
| <span id="541">541</span> |
| <span id="542">542</span> |
| <span id="543">543</span> |
| <span id="544">544</span> |
| <span id="545">545</span> |
| <span id="546">546</span> |
| <span id="547">547</span> |
| <span id="548">548</span> |
| <span id="549">549</span> |
| <span id="550">550</span> |
| <span id="551">551</span> |
| <span id="552">552</span> |
| <span id="553">553</span> |
| <span id="554">554</span> |
| <span id="555">555</span> |
| <span id="556">556</span> |
| <span id="557">557</span> |
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| <span id="560">560</span> |
| <span id="561">561</span> |
| <span id="562">562</span> |
| <span id="563">563</span> |
| <span id="564">564</span> |
| <span id="565">565</span> |
| <span id="566">566</span> |
| <span id="567">567</span> |
| <span id="568">568</span> |
| <span id="569">569</span> |
| <span id="570">570</span> |
| <span id="571">571</span> |
| <span id="572">572</span> |
| <span id="573">573</span> |
| <span id="574">574</span> |
| <span id="575">575</span> |
| <span id="576">576</span> |
| <span id="577">577</span> |
| <span id="578">578</span> |
| <span id="579">579</span> |
| <span id="580">580</span> |
| <span id="581">581</span> |
| <span id="582">582</span> |
| <span id="583">583</span> |
| <span id="584">584</span> |
| </pre><pre class="rust"><code><span class="comment">// std |
| </span><span class="attribute">#[allow(deprecated, unused_imports)] |
| </span><span class="kw">use </span>std::{ascii::AsciiExt, fmt::Display}; |
| |
| <span class="comment">// Internal |
| </span><span class="kw">use crate</span>::{ |
| app::{ |
| parser::{ParseResult, Parser}, |
| settings::AppSettings <span class="kw">as </span>AS, |
| usage, |
| }, |
| args::{settings::ArgSettings, AnyArg, ArgMatcher, MatchedArg}, |
| errors::{Error, ErrorKind, <span class="prelude-ty">Result </span><span class="kw">as </span>ClapResult}, |
| fmt::{Colorizer, ColorizerOption}, |
| INTERNAL_ERROR_MSG, INVALID_UTF8, |
| }; |
| |
| <span class="kw">pub struct </span>Validator<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>, <span class="lifetime">'z</span>>(<span class="kw-2">&</span><span class="lifetime">'z </span><span class="kw-2">mut </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="lifetime">'b</span>: <span class="lifetime">'z</span>; |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>, <span class="lifetime">'z</span>> Validator<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>, <span class="lifetime">'z</span>> { |
| <span class="kw">pub fn </span>new(p: <span class="kw-2">&</span><span class="lifetime">'z </span><span class="kw-2">mut </span>Parser<<span class="lifetime">'a</span>, <span class="lifetime">'b</span>>) -> <span class="self">Self </span>{ |
| Validator(p) |
| } |
| |
| <span class="kw">pub fn </span>validate( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| needs_val_of: ParseResult<<span class="lifetime">'a</span>>, |
| subcmd_name: <span class="prelude-ty">Option</span><String>, |
| matcher: <span class="kw-2">&mut </span>ArgMatcher<<span class="lifetime">'a</span>>, |
| ) -> ClapResult<()> { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate;"</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>reqs_validated = <span class="bool-val">false</span>; |
| <span class="self">self</span>.<span class="number">0</span>.add_env(matcher)<span class="question-mark">?</span>; |
| <span class="self">self</span>.<span class="number">0</span>.add_defaults(matcher)<span class="question-mark">?</span>; |
| <span class="kw">if let </span>ParseResult::Opt(a) = needs_val_of { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate: needs_val_of={:?}"</span>, a); |
| <span class="kw">let </span>o = { |
| <span class="self">self</span>.<span class="number">0 |
| </span>.opts |
| .iter() |
| .find(|o| o.b.name == a) |
| .expect(INTERNAL_ERROR_MSG) |
| .clone() |
| }; |
| <span class="self">self</span>.validate_required(matcher)<span class="question-mark">?</span>; |
| reqs_validated = <span class="bool-val">true</span>; |
| <span class="kw">let </span>should_err = <span class="kw">if let </span><span class="prelude-val">Some</span>(v) = matcher.<span class="number">0</span>.args.get(<span class="kw-2">&*</span>o.b.name) { |
| v.vals.is_empty() && !(o.v.min_vals.is_some() && o.v.min_vals.unwrap() == <span class="number">0</span>) |
| } <span class="kw">else </span>{ |
| <span class="bool-val">true |
| </span>}; |
| <span class="kw">if </span>should_err { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::empty_value( |
| <span class="kw-2">&</span>o, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } |
| } |
| |
| <span class="kw">if </span>matcher.is_empty() |
| && matcher.subcommand_name().is_none() |
| && <span class="self">self</span>.<span class="number">0</span>.is_set(AS::ArgRequiredElseHelp) |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>out = <span class="macro">vec!</span>[]; |
| <span class="self">self</span>.<span class="number">0</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="self">self</span>.validate_blacklist(matcher)<span class="question-mark">?</span>; |
| <span class="kw">if </span>!(reqs_validated || <span class="self">self</span>.<span class="number">0</span>.is_set(AS::SubcommandsNegateReqs) && subcmd_name.is_some()) { |
| <span class="self">self</span>.validate_required(matcher)<span class="question-mark">?</span>; |
| } |
| <span class="self">self</span>.validate_matched_args(matcher)<span class="question-mark">?</span>; |
| matcher.usage(usage::create_usage_with_title(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">&</span>[])); |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>validate_arg_values<A>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| arg: <span class="kw-2">&</span>A, |
| ma: <span class="kw-2">&</span>MatchedArg, |
| matcher: <span class="kw-2">&</span>ArgMatcher<<span class="lifetime">'a</span>>, |
| ) -> ClapResult<()> |
| <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">"Validator::validate_arg_values: arg={:?}"</span>, arg.name()); |
| <span class="kw">for </span>val <span class="kw">in </span><span class="kw-2">&</span>ma.vals { |
| <span class="kw">if </span><span class="self">self</span>.<span class="number">0</span>.is_set(AS::StrictUtf8) && val.to_str().is_none() { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::validate_arg_values: invalid UTF-8 found in val {:?}"</span>, |
| val |
| ); |
| <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>.<span class="number">0</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(p_vals) = arg.possible_vals() { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_arg_values: possible_vals={:?}"</span>, p_vals); |
| <span class="kw">let </span>val_str = val.to_string_lossy(); |
| <span class="kw">let </span>ok = <span class="kw">if </span>arg.is_set(ArgSettings::CaseInsensitive) { |
| p_vals.iter().any(|pv| pv.eq_ignore_ascii_case(<span class="kw-2">&*</span>val_str)) |
| } <span class="kw">else </span>{ |
| p_vals.contains(&&<span class="kw-2">*</span>val_str) |
| }; |
| <span class="kw">if </span>!ok { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::invalid_value( |
| val_str, |
| p_vals, |
| arg, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } |
| } |
| <span class="kw">if </span>!arg.is_set(ArgSettings::EmptyValues) |
| && val.is_empty() |
| && matcher.contains(<span class="kw-2">&*</span>arg.name()) |
| { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_arg_values: illegal empty val found"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::empty_value( |
| arg, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(vtor) = arg.validator() { |
| <span class="macro">debug!</span>(<span class="string">"Validator::validate_arg_values: checking validator..."</span>); |
| <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = vtor(val.to_string_lossy().into_owned()) { |
| <span class="macro">sdebugln!</span>(<span class="string">"error"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::value_validation(<span class="prelude-val">Some</span>(arg), e, <span class="self">self</span>.<span class="number">0</span>.color())); |
| } <span class="kw">else </span>{ |
| <span class="macro">sdebugln!</span>(<span class="string">"good"</span>); |
| } |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(vtor) = arg.validator_os() { |
| <span class="macro">debug!</span>(<span class="string">"Validator::validate_arg_values: checking validator_os..."</span>); |
| <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = vtor(val) { |
| <span class="macro">sdebugln!</span>(<span class="string">"error"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::value_validation( |
| <span class="prelude-val">Some</span>(arg), |
| (<span class="kw-2">*</span>e).to_string_lossy().to_string(), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } <span class="kw">else </span>{ |
| <span class="macro">sdebugln!</span>(<span class="string">"good"</span>); |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>build_err(<span class="kw-2">&</span><span class="self">self</span>, name: <span class="kw-2">&</span>str, matcher: <span class="kw-2">&</span>ArgMatcher) -> ClapResult<()> { |
| <span class="macro">debugln!</span>(<span class="string">"build_err!: name={}"</span>, name); |
| <span class="kw">let </span><span class="kw-2">mut </span>c_with = <span class="macro">find_from!</span>(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">&</span>name, blacklist, matcher); |
| c_with = c_with.or_else(|| { |
| <span class="self">self</span>.<span class="number">0 |
| </span>.find_any_arg(name) |
| .and_then(|aa| aa.blacklist()) |
| .and_then(|bl| bl.iter().find(|arg| matcher.contains(arg))) |
| .and_then(|an| <span class="self">self</span>.<span class="number">0</span>.find_any_arg(an)) |
| .map(|aa| <span class="macro">format!</span>(<span class="string">"{}"</span>, aa)) |
| }); |
| <span class="macro">debugln!</span>(<span class="string">"build_err!: '{:?}' conflicts with '{}'"</span>, c_with, <span class="kw-2">&</span>name); |
| <span class="comment">// matcher.remove(&name); |
| </span><span class="kw">let </span>usg = usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, <span class="prelude-val">None</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>.<span class="number">0</span>, name, flags, iter) { |
| <span class="macro">debugln!</span>(<span class="string">"build_err!: It was a flag..."</span>); |
| <span class="prelude-val">Err</span>(Error::argument_conflict(f, c_with, <span class="kw-2">&*</span>usg, <span class="self">self</span>.<span class="number">0</span>.color())) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(o) = <span class="macro">find_by_name!</span>(<span class="self">self</span>.<span class="number">0</span>, name, opts, iter) { |
| <span class="macro">debugln!</span>(<span class="string">"build_err!: It was an option..."</span>); |
| <span class="prelude-val">Err</span>(Error::argument_conflict(o, c_with, <span class="kw-2">&*</span>usg, <span class="self">self</span>.<span class="number">0</span>.color())) |
| } <span class="kw">else </span>{ |
| <span class="kw">match </span><span class="macro">find_by_name!</span>(<span class="self">self</span>.<span class="number">0</span>, name, positionals, values) { |
| <span class="prelude-val">Some</span>(p) => { |
| <span class="macro">debugln!</span>(<span class="string">"build_err!: It was a positional..."</span>); |
| <span class="prelude-val">Err</span>(Error::argument_conflict(p, c_with, <span class="kw-2">&*</span>usg, <span class="self">self</span>.<span class="number">0</span>.color())) |
| } |
| <span class="prelude-val">None </span>=> <span class="macro">panic!</span>(<span class="string">"{}"</span>, INTERNAL_ERROR_MSG), |
| } |
| } |
| } |
| |
| <span class="kw">fn </span>validate_blacklist(<span class="kw-2">&</span><span class="self">self</span>, matcher: <span class="kw-2">&mut </span>ArgMatcher) -> ClapResult<()> { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_blacklist;"</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>conflicts: Vec<<span class="kw-2">&</span>str> = <span class="macro">vec!</span>[]; |
| <span class="kw">for </span>(<span class="kw-2">&</span>name, <span class="kw">_</span>) <span class="kw">in </span>matcher.iter() { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_blacklist:iter:{};"</span>, name); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(grps) = <span class="self">self</span>.<span class="number">0</span>.groups_for_arg(name) { |
| <span class="kw">for </span>grp <span class="kw">in </span><span class="kw-2">&</span>grps { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(g) = <span class="self">self</span>.<span class="number">0</span>.groups.iter().find(|g| <span class="kw-2">&</span>g.name == grp) { |
| <span class="kw">if </span>!g.multiple { |
| <span class="kw">for </span>arg <span class="kw">in </span><span class="kw-2">&</span>g.args { |
| <span class="kw">if </span>arg == <span class="kw-2">&</span>name { |
| <span class="kw">continue</span>; |
| } |
| conflicts.push(arg); |
| } |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>gc) = g.conflicts { |
| conflicts.extend(<span class="kw-2">&*</span>gc); |
| } |
| } |
| } |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(arg) = <span class="macro">find_any_by_name!</span>(<span class="self">self</span>.<span class="number">0</span>, name) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(bl) = arg.blacklist() { |
| <span class="kw">for </span>conf <span class="kw">in </span>bl { |
| <span class="kw">if </span>matcher.get(conf).is_some() { |
| conflicts.push(conf); |
| } |
| } |
| } |
| } <span class="kw">else </span>{ |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_blacklist:iter:{}:group;"</span>, name); |
| <span class="kw">let </span>args = <span class="self">self</span>.<span class="number">0</span>.arg_names_in_group(name); |
| <span class="kw">for </span>arg <span class="kw">in </span><span class="kw-2">&</span>args { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::validate_blacklist:iter:{}:group:iter:{};"</span>, |
| name, |
| arg |
| ); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(bl) = <span class="macro">find_any_by_name!</span>(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">*</span>arg).unwrap().blacklist() { |
| <span class="kw">for </span>conf <span class="kw">in </span>bl { |
| <span class="kw">if </span>matcher.get(conf).is_some() { |
| conflicts.push(conf); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| <span class="kw">for </span>name <span class="kw">in </span><span class="kw-2">&</span>conflicts { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::validate_blacklist:iter:{}: Checking blacklisted arg"</span>, |
| name |
| ); |
| <span class="kw">let </span><span class="kw-2">mut </span>should_err = <span class="bool-val">false</span>; |
| <span class="kw">if </span><span class="self">self</span>.<span class="number">0</span>.groups.iter().any(|g| <span class="kw-2">&</span>g.name == name) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::validate_blacklist:iter:{}: groups contains it..."</span>, |
| name |
| ); |
| <span class="kw">for </span>n <span class="kw">in </span><span class="self">self</span>.<span class="number">0</span>.arg_names_in_group(name) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::validate_blacklist:iter:{}:iter:{}: looking in group..."</span>, |
| name, |
| n |
| ); |
| <span class="kw">if </span>matcher.contains(n) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::validate_blacklist:iter:{}:iter:{}: matcher contains it..."</span>, |
| name, |
| n |
| ); |
| <span class="kw">return </span><span class="self">self</span>.build_err(n, matcher); |
| } |
| } |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(ma) = matcher.get(name) { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::validate_blacklist:iter:{}: matcher contains it..."</span>, |
| name |
| ); |
| should_err = ma.occurs > <span class="number">0</span>; |
| } |
| <span class="kw">if </span>should_err { |
| <span class="kw">return </span><span class="self">self</span>.build_err(<span class="kw-2">*</span>name, matcher); |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>validate_matched_args(<span class="kw-2">&</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">"Validator::validate_matched_args;"</span>); |
| <span class="kw">for </span>(name, ma) <span class="kw">in </span>matcher.iter() { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::validate_matched_args:iter:{}: vals={:#?}"</span>, |
| name, |
| ma.vals |
| ); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(opt) = <span class="macro">find_by_name!</span>(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">*</span>name, opts, iter) { |
| <span class="self">self</span>.validate_arg_num_vals(opt, ma, matcher)<span class="question-mark">?</span>; |
| <span class="self">self</span>.validate_arg_values(opt, ma, matcher)<span class="question-mark">?</span>; |
| <span class="self">self</span>.validate_arg_requires(opt, ma, matcher)<span class="question-mark">?</span>; |
| <span class="self">self</span>.validate_arg_num_occurs(opt, ma, matcher)<span class="question-mark">?</span>; |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(flag) = <span class="macro">find_by_name!</span>(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">*</span>name, flags, iter) { |
| <span class="self">self</span>.validate_arg_requires(flag, ma, matcher)<span class="question-mark">?</span>; |
| <span class="self">self</span>.validate_arg_num_occurs(flag, ma, matcher)<span class="question-mark">?</span>; |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(pos) = <span class="macro">find_by_name!</span>(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">*</span>name, positionals, values) { |
| <span class="self">self</span>.validate_arg_num_vals(pos, ma, matcher)<span class="question-mark">?</span>; |
| <span class="self">self</span>.validate_arg_num_occurs(pos, ma, matcher)<span class="question-mark">?</span>; |
| <span class="self">self</span>.validate_arg_values(pos, ma, matcher)<span class="question-mark">?</span>; |
| <span class="self">self</span>.validate_arg_requires(pos, ma, matcher)<span class="question-mark">?</span>; |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>grp = <span class="self">self |
| </span>.<span class="number">0 |
| </span>.groups |
| .iter() |
| .find(|g| <span class="kw-2">&</span>g.name == name) |
| .expect(INTERNAL_ERROR_MSG); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>g_reqs) = grp.requires { |
| <span class="kw">if </span>g_reqs.iter().any(|<span class="kw-2">&</span>n| !matcher.contains(n)) { |
| <span class="kw">return </span><span class="self">self</span>.missing_required_error(matcher, <span class="prelude-val">None</span>); |
| } |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>validate_arg_num_occurs<A>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| a: <span class="kw-2">&</span>A, |
| ma: <span class="kw-2">&</span>MatchedArg, |
| matcher: <span class="kw-2">&</span>ArgMatcher, |
| ) -> ClapResult<()> |
| <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">"Validator::validate_arg_num_occurs: a={};"</span>, a.name()); |
| <span class="kw">if </span>ma.occurs > <span class="number">1 </span>&& !a.is_set(ArgSettings::Multiple) { |
| <span class="comment">// Not the first time, and we don't allow multiples |
| </span><span class="kw">return </span><span class="prelude-val">Err</span>(Error::unexpected_multiple_usage( |
| a, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>validate_arg_num_vals<A>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| a: <span class="kw-2">&</span>A, |
| ma: <span class="kw-2">&</span>MatchedArg, |
| matcher: <span class="kw-2">&</span>ArgMatcher, |
| ) -> ClapResult<()> |
| <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">"Validator::validate_arg_num_vals:{}"</span>, a.name()); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(num) = a.num_vals() { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_arg_num_vals: num_vals set...{}"</span>, num); |
| <span class="kw">let </span>should_err = <span class="kw">if </span>a.is_set(ArgSettings::Multiple) { |
| ((ma.vals.len() <span class="kw">as </span>u64) % num) != <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| num != (ma.vals.len() <span class="kw">as </span>u64) |
| }; |
| <span class="kw">if </span>should_err { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_arg_num_vals: Sending error WrongNumberOfValues"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::wrong_number_of_values( |
| a, |
| num, |
| <span class="kw">if </span>a.is_set(ArgSettings::Multiple) { |
| ma.vals.len() % num <span class="kw">as </span>usize |
| } <span class="kw">else </span>{ |
| ma.vals.len() |
| }, |
| <span class="kw">if </span>ma.vals.len() == <span class="number">1 |
| </span>|| (a.is_set(ArgSettings::Multiple) && (ma.vals.len() % num <span class="kw">as </span>usize) == <span class="number">1</span>) |
| { |
| <span class="string">"as" |
| </span>} <span class="kw">else </span>{ |
| <span class="string">"ere" |
| </span>}, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(num) = a.max_vals() { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_arg_num_vals: max_vals set...{}"</span>, num); |
| <span class="kw">if </span>(ma.vals.len() <span class="kw">as </span>u64) > num { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_arg_num_vals: Sending error TooManyValues"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::too_many_values( |
| ma.vals |
| .iter() |
| .last() |
| .expect(INTERNAL_ERROR_MSG) |
| .to_str() |
| .expect(INVALID_UTF8), |
| a, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } |
| } |
| <span class="kw">let </span>min_vals_zero = <span class="kw">if let </span><span class="prelude-val">Some</span>(num) = a.min_vals() { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_arg_num_vals: min_vals set: {}"</span>, num); |
| <span class="kw">if </span>(ma.vals.len() <span class="kw">as </span>u64) < num && num != <span class="number">0 </span>{ |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_arg_num_vals: Sending error TooFewValues"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::too_few_values( |
| a, |
| num, |
| ma.vals.len(), |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } |
| num == <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| <span class="bool-val">false |
| </span>}; |
| <span class="comment">// Issue 665 (https://github.com/clap-rs/clap/issues/665) |
| // Issue 1105 (https://github.com/clap-rs/clap/issues/1105) |
| </span><span class="kw">if </span>a.takes_value() && !min_vals_zero && ma.vals.is_empty() { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::empty_value( |
| a, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, <span class="prelude-val">None</span>), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>validate_arg_requires<A>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| a: <span class="kw-2">&</span>A, |
| ma: <span class="kw-2">&</span>MatchedArg, |
| matcher: <span class="kw-2">&</span>ArgMatcher, |
| ) -> ClapResult<()> |
| <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">"Validator::validate_arg_requires:{};"</span>, a.name()); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(a_reqs) = a.requires() { |
| <span class="kw">for </span><span class="kw-2">&</span>(val, name) <span class="kw">in </span>a_reqs.iter().filter(|&&(val, <span class="kw">_</span>)| val.is_some()) { |
| <span class="kw">let </span>missing_req = |
| |v| v == val.expect(INTERNAL_ERROR_MSG) && !matcher.contains(name); |
| <span class="kw">if </span>ma.vals.iter().any(missing_req) { |
| <span class="kw">return </span><span class="self">self</span>.missing_required_error(matcher, <span class="prelude-val">None</span>); |
| } |
| } |
| <span class="kw">for </span><span class="kw-2">&</span>(<span class="kw">_</span>, name) <span class="kw">in </span>a_reqs.iter().filter(|&&(val, <span class="kw">_</span>)| val.is_none()) { |
| <span class="kw">if </span>!matcher.contains(name) { |
| <span class="kw">return </span><span class="self">self</span>.missing_required_error(matcher, <span class="prelude-val">Some</span>(name)); |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>validate_required(<span class="kw-2">&mut </span><span class="self">self</span>, matcher: <span class="kw-2">&</span>ArgMatcher) -> ClapResult<()> { |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::validate_required: required={:?};"</span>, |
| <span class="self">self</span>.<span class="number">0</span>.required |
| ); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>should_err = <span class="bool-val">false</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>to_rem = Vec::new(); |
| <span class="kw">for </span>name <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>.required { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_required:iter:{}:"</span>, name); |
| <span class="kw">if </span>matcher.contains(name) { |
| <span class="kw">continue</span>; |
| } |
| <span class="kw">if </span>to_rem.contains(name) { |
| <span class="kw">continue</span>; |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(a) = <span class="macro">find_any_by_name!</span>(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">*</span>name) { |
| <span class="kw">if </span><span class="self">self</span>.is_missing_required_ok(a, matcher) { |
| to_rem.push(a.name()); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(reqs) = a.requires() { |
| <span class="kw">for </span>r <span class="kw">in </span>reqs |
| .iter() |
| .filter(|&&(val, <span class="kw">_</span>)| val.is_none()) |
| .map(|<span class="kw-2">&</span>(<span class="kw">_</span>, name)| name) |
| { |
| to_rem.push(r); |
| } |
| } |
| <span class="kw">continue</span>; |
| } |
| } |
| should_err = <span class="bool-val">true</span>; |
| <span class="kw">break</span>; |
| } |
| <span class="kw">if </span>should_err { |
| <span class="kw">for </span>r <span class="kw">in </span><span class="kw-2">&</span>to_rem { |
| <span class="lifetime">'inner</span>: <span class="kw">for </span>i <span class="kw">in </span>(<span class="number">0</span>..<span class="self">self</span>.<span class="number">0</span>.required.len()).rev() { |
| <span class="kw">if </span><span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>.required[i] == r { |
| <span class="self">self</span>.<span class="number">0</span>.required.swap_remove(i); |
| <span class="kw">break </span><span class="lifetime">'inner</span>; |
| } |
| } |
| } |
| <span class="kw">return </span><span class="self">self</span>.missing_required_error(matcher, <span class="prelude-val">None</span>); |
| } |
| |
| <span class="comment">// Validate the conditionally required args |
| </span><span class="kw">for </span><span class="kw-2">&</span>(a, v, r) <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>.r_ifs { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(ma) = matcher.get(a) { |
| <span class="kw">if </span>matcher.get(r).is_none() && ma.vals.iter().any(|val| val == v) { |
| <span class="kw">return </span><span class="self">self</span>.missing_required_error(matcher, <span class="prelude-val">Some</span>(r)); |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>validate_arg_conflicts(<span class="kw-2">&</span><span class="self">self</span>, a: <span class="kw-2">&</span>AnyArg, matcher: <span class="kw-2">&</span>ArgMatcher) -> <span class="prelude-ty">Option</span><bool> { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_arg_conflicts: a={:?};"</span>, a.name()); |
| a.blacklist().map(|bl| { |
| bl.iter().any(|conf| { |
| matcher.contains(conf) |
| || <span class="self">self |
| </span>.<span class="number">0 |
| </span>.groups |
| .iter() |
| .find(|g| <span class="kw-2">&</span>g.name == conf) |
| .map_or(<span class="bool-val">false</span>, |g| g.args.iter().any(|arg| matcher.contains(arg))) |
| }) |
| }) |
| } |
| |
| <span class="kw">fn </span>validate_required_unless(<span class="kw-2">&</span><span class="self">self</span>, a: <span class="kw-2">&</span>AnyArg, matcher: <span class="kw-2">&</span>ArgMatcher) -> <span class="prelude-ty">Option</span><bool> { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::validate_required_unless: a={:?};"</span>, a.name()); |
| <span class="macro">macro_rules! </span>check { |
| (<span class="macro-nonterminal">$how</span>:ident, <span class="macro-nonterminal">$_self</span>:expr, <span class="macro-nonterminal">$a</span>:ident, <span class="macro-nonterminal">$m</span>:ident) => {{ |
| <span class="macro-nonterminal">$a</span>.required_unless().map(|ru| { |
| ru.iter().<span class="macro-nonterminal">$how</span>(|n| { |
| <span class="macro-nonterminal">$m</span>.contains(n) || { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(grp) = <span class="macro-nonterminal">$_self</span>.groups.iter().find(|g| <span class="kw-2">&</span>g.name == n) { |
| grp.args.iter().any(|arg| <span class="macro-nonterminal">$m</span>.contains(arg)) |
| } <span class="kw">else </span>{ |
| <span class="bool-val">false |
| </span>} |
| } |
| }) |
| }) |
| }}; |
| } |
| <span class="kw">if </span>a.is_set(ArgSettings::RequiredUnlessAll) { |
| <span class="macro">check!</span>(all, <span class="self">self</span>.<span class="number">0</span>, a, matcher) |
| } <span class="kw">else </span>{ |
| <span class="macro">check!</span>(any, <span class="self">self</span>.<span class="number">0</span>, a, matcher) |
| } |
| } |
| |
| <span class="kw">fn </span>missing_required_error(<span class="kw-2">&</span><span class="self">self</span>, matcher: <span class="kw-2">&</span>ArgMatcher, extra: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>) -> ClapResult<()> { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::missing_required_error: extra={:?}"</span>, extra); |
| <span class="kw">let </span>c = Colorizer::new(ColorizerOption { |
| use_stderr: <span class="bool-val">true</span>, |
| when: <span class="self">self</span>.<span class="number">0</span>.color(), |
| }); |
| <span class="kw">let </span><span class="kw-2">mut </span>reqs = <span class="self">self</span>.<span class="number">0</span>.required.iter().map(|<span class="kw-2">&</span>r| <span class="kw-2">&*</span>r).collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(r) = extra { |
| reqs.push(r); |
| } |
| reqs.retain(|n| !matcher.contains(n)); |
| reqs.dedup(); |
| <span class="macro">debugln!</span>(<span class="string">"Validator::missing_required_error: reqs={:#?}"</span>, reqs); |
| <span class="kw">let </span>req_args = |
| usage::get_required_usage_from(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">&</span>reqs[..], <span class="prelude-val">Some</span>(matcher), extra, <span class="bool-val">true</span>) |
| .iter() |
| .fold(String::new(), |acc, s| { |
| acc + <span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"\n {}"</span>, c.error(s))[..] |
| }); |
| <span class="macro">debugln!</span>( |
| <span class="string">"Validator::missing_required_error: req_args={:#?}"</span>, |
| req_args |
| ); |
| <span class="prelude-val">Err</span>(Error::missing_required_argument( |
| <span class="kw-2">&*</span>req_args, |
| <span class="kw-2">&*</span>usage::create_error_usage(<span class="self">self</span>.<span class="number">0</span>, matcher, extra), |
| <span class="self">self</span>.<span class="number">0</span>.color(), |
| )) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>is_missing_required_ok(<span class="kw-2">&</span><span class="self">self</span>, a: <span class="kw-2">&</span>AnyArg, matcher: <span class="kw-2">&</span>ArgMatcher) -> bool { |
| <span class="macro">debugln!</span>(<span class="string">"Validator::is_missing_required_ok: a={}"</span>, a.name()); |
| <span class="self">self</span>.validate_arg_conflicts(a, matcher).unwrap_or(<span class="bool-val">false</span>) |
| || <span class="self">self</span>.validate_required_unless(a, matcher).unwrap_or(<span class="bool-val">false</span>) |
| } |
| } |
| </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> |
