Merge pull request #3466 from epage/usage

refactor: Centralize build logic
This commit is contained in:
Ed Page 2022-02-14 13:22:52 -06:00 committed by GitHub
commit e759001d93
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 202 additions and 156 deletions

View file

@ -1,15 +1,13 @@
#![allow(deprecated)]
// Std
use std::{
collections::HashMap,
env,
ffi::OsString,
fmt,
io::{self, Write},
ops::Index,
path::Path,
};
use std::collections::HashMap;
use std::env;
use std::ffi::OsString;
use std::fmt;
use std::io;
use std::ops::Index;
use std::path::Path;
// Third Party
use os_str_bytes::RawOsStr;
@ -25,6 +23,7 @@ use crate::error::Result as ClapResult;
use crate::mkeymap::MKeyMap;
use crate::output::{fmt::Colorizer, Help, HelpWriter, Usage};
use crate::parse::{ArgMatcher, ArgMatches, Input, Parser};
use crate::util::ChildGraph;
use crate::util::{color::ColorChoice, Id, Key};
use crate::{Error, INTERNAL_ERROR_MSG};
@ -81,7 +80,7 @@ pub struct App<'help> {
pub(crate) short_flag_aliases: Vec<(char, bool)>, // (name, visible)
pub(crate) long_flag_aliases: Vec<(&'help str, bool)>, // (name, visible)
pub(crate) usage_str: Option<&'help str>,
pub(crate) usage: Option<String>,
pub(crate) usage_name: Option<String>,
pub(crate) help_str: Option<&'help str>,
pub(crate) disp_ord: Option<usize>,
pub(crate) term_w: Option<usize>,
@ -688,9 +687,8 @@ impl<'help> App<'help> {
let color = self.get_color();
let mut c = Colorizer::new(false, color);
let parser = Parser::new(self);
let usage = Usage::new(parser.app, &parser.required);
Help::new(HelpWriter::Buffer(&mut c), parser.app, &usage, false).write_help()?;
let usage = Usage::new(self);
Help::new(HelpWriter::Buffer(&mut c), self, &usage, false).write_help()?;
c.print()
}
@ -714,9 +712,8 @@ impl<'help> App<'help> {
let color = self.get_color();
let mut c = Colorizer::new(false, color);
let parser = Parser::new(self);
let usage = Usage::new(parser.app, &parser.required);
Help::new(HelpWriter::Buffer(&mut c), parser.app, &usage, true).write_help()?;
let usage = Usage::new(self);
Help::new(HelpWriter::Buffer(&mut c), self, &usage, true).write_help()?;
c.print()
}
@ -736,12 +733,11 @@ impl<'help> App<'help> {
/// [`io::Write`]: std::io::Write
/// [`-h` (short)]: Arg::help()
/// [`--help` (long)]: Arg::long_help()
pub fn write_help<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
pub fn write_help<W: io::Write>(&mut self, w: &mut W) -> io::Result<()> {
self._build();
let parser = Parser::new(self);
let usage = Usage::new(parser.app, &parser.required);
Help::new(HelpWriter::Normal(w), parser.app, &usage, false).write_help()?;
let usage = Usage::new(self);
Help::new(HelpWriter::Normal(w), self, &usage, false).write_help()?;
w.flush()
}
@ -761,12 +757,11 @@ impl<'help> App<'help> {
/// [`io::Write`]: std::io::Write
/// [`-h` (short)]: Arg::help()
/// [`--help` (long)]: Arg::long_help()
pub fn write_long_help<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
pub fn write_long_help<W: io::Write>(&mut self, w: &mut W) -> io::Result<()> {
self._build();
let parser = Parser::new(self);
let usage = Usage::new(parser.app, &parser.required);
Help::new(HelpWriter::Normal(w), parser.app, &usage, true).write_help()?;
let usage = Usage::new(self);
Help::new(HelpWriter::Normal(w), self, &usage, true).write_help()?;
w.flush()
}
@ -833,8 +828,7 @@ impl<'help> App<'help> {
// before parsing incase we run into a subcommand
self._build();
let parser = Parser::new(self);
Usage::new(parser.app, &parser.required).create_usage_with_title(&[])
Usage::new(self).create_usage_with_title(&[])
}
}
@ -3827,14 +3821,14 @@ impl<'help> App<'help> {
/// Deprecated, replaced with [`App::render_version`]
#[deprecated(since = "3.0.0", note = "Replaced with `App::render_version`")]
#[doc(hidden)]
pub fn write_version<W: Write>(&self, w: &mut W) -> ClapResult<()> {
pub fn write_version<W: io::Write>(&self, w: &mut W) -> ClapResult<()> {
write!(w, "{}", self.render_version()).map_err(From::from)
}
/// Deprecated, replaced with [`App::render_long_version`]
#[deprecated(since = "3.0.0", note = "Replaced with `App::render_long_version`")]
#[doc(hidden)]
pub fn write_long_version<W: Write>(&self, w: &mut W) -> ClapResult<()> {
pub fn write_long_version<W: io::Write>(&self, w: &mut W) -> ClapResult<()> {
write!(w, "{}", self.render_long_version()).map_err(From::from)
}
@ -3924,6 +3918,59 @@ impl<'help> App<'help> {
self._build_bin_names();
}
pub(crate) fn _build_subcommand(&mut self, name: &str) -> Option<&mut Self> {
use std::fmt::Write;
let mut mid_string = String::from(" ");
if !self.is_subcommand_negates_reqs_set() {
let reqs = Usage::new(self).get_required_usage_from(&[], None, true); // maybe Some(m)
for s in &reqs {
mid_string.push_str(s);
mid_string.push(' ');
}
}
let sc = self.subcommands.iter_mut().find(|s| s.name == name)?;
// Display subcommand name, short and long in usage
let mut sc_names = sc.name.clone();
let mut flag_subcmd = false;
if let Some(l) = sc.long_flag {
write!(sc_names, ", --{}", l).unwrap();
flag_subcmd = true;
}
if let Some(s) = sc.short_flag {
write!(sc_names, ", -{}", s).unwrap();
flag_subcmd = true;
}
if flag_subcmd {
sc_names = format!("{{{}}}", sc_names);
}
sc.usage_name = Some(
self.bin_name
.as_ref()
.map(|bin_name| format!("{}{}{}", bin_name, mid_string, sc_names))
.unwrap_or(sc_names),
);
// bin_name should be parent's bin_name + [<reqs>] + the sc's name separated by
// a space
sc.bin_name = Some(format!(
"{}{}{}",
self.bin_name.as_ref().unwrap_or(&String::new()),
if self.bin_name.is_some() { " " } else { "" },
&*sc.name
));
// Ensure all args are built and ready to parse
sc._build();
Some(sc)
}
// used in clap_complete (https://github.com/clap-rs/clap_complete)
#[doc(hidden)]
pub fn _build(&mut self) {
@ -4446,6 +4493,23 @@ impl<'help> App<'help> {
})
}
pub(crate) fn required_graph(&self) -> ChildGraph<Id> {
let mut reqs = ChildGraph::with_capacity(5);
for a in self.args.args().filter(|a| a.is_required_set()) {
reqs.insert(a.id.clone());
}
for group in &self.groups {
if group.required {
let idx = reqs.insert(group.id.clone());
for a in &group.requires {
reqs.insert_child(idx, a.clone());
}
}
}
reqs
}
pub(crate) fn unroll_args_in_group(&self, group: &Id) -> Vec<Id> {
debug!("App::unroll_args_in_group: group={:?}", group);
let mut g_vec = vec![group];
@ -4546,7 +4610,7 @@ impl<'help> Default for App<'help> {
short_flag_aliases: Default::default(),
long_flag_aliases: Default::default(),
usage_str: Default::default(),
usage: Default::default(),
usage_name: Default::default(),
help_str: Default::default(),
disp_ord: Default::default(),
term_w: Default::default(),

View file

@ -1,22 +1,29 @@
use indexmap::IndexSet;
// Internal
use crate::{
build::AppSettings as AS,
build::{App, Arg, ArgPredicate},
parse::ArgMatcher,
util::{ChildGraph, Id},
INTERNAL_ERROR_MSG,
};
use crate::build::AppSettings as AS;
use crate::build::{App, Arg, ArgPredicate};
use crate::parse::ArgMatcher;
use crate::util::ChildGraph;
use crate::util::Id;
use crate::INTERNAL_ERROR_MSG;
pub(crate) struct Usage<'help, 'app> {
app: &'app App<'help>,
required: &'app ChildGraph<Id>,
required: Option<&'app ChildGraph<Id>>,
}
impl<'help, 'app> Usage<'help, 'app> {
pub(crate) fn new(app: &'app App<'help>, required: &'app ChildGraph<Id>) -> Self {
Usage { app, required }
pub(crate) fn new(app: &'app App<'help>) -> Self {
Usage {
app,
required: None,
}
}
pub(crate) fn required(mut self, required: &'app ChildGraph<Id>) -> Self {
self.required = Some(required);
self
}
// Creates a usage string for display. This happens just after all arguments were parsed, but before
@ -42,12 +49,12 @@ impl<'help, 'app> Usage<'help, 'app> {
}
// Creates a usage string for display in help messages (i.e. not for errors)
pub(crate) fn create_help_usage(&self, incl_reqs: bool) -> String {
fn create_help_usage(&self, incl_reqs: bool) -> String {
debug!("Usage::create_help_usage; incl_reqs={:?}", incl_reqs);
let mut usage = String::with_capacity(75);
let name = self
.app
.usage
.usage_name
.as_ref()
.or_else(|| self.app.bin_name.as_ref())
.unwrap_or(&self.app.name);
@ -167,7 +174,7 @@ impl<'help, 'app> Usage<'help, 'app> {
usage.push_str(
&self
.app
.usage
.usage_name
.as_ref()
.or_else(|| self.app.bin_name.as_ref())
.unwrap_or(&self.app.name)[..],
@ -346,7 +353,15 @@ impl<'help, 'app> Usage<'help, 'app> {
let mut unrolled_reqs = IndexSet::new();
for a in self.required.iter() {
let required_owned;
let required = if let Some(required) = self.required {
required
} else {
required_owned = self.app.required_graph();
&required_owned
};
for a in required.iter() {
let is_relevant = |(val, req_arg): &(ArgPredicate<'_>, Id)| -> Option<Id> {
let required = match val {
ArgPredicate::Equals(_) => {
@ -380,7 +395,7 @@ impl<'help, 'app> Usage<'help, 'app> {
.app
.groups
.iter()
.filter(|gn| self.required.contains(&gn.id))
.filter(|gn| required.contains(&gn.id))
.flat_map(|g| self.app.unroll_args_in_group(&g.id))
.collect::<Vec<_>>();

View file

@ -2,7 +2,6 @@
use std::{
cell::{Cell, RefCell},
ffi::{OsStr, OsString},
fmt::Write as _,
};
// Third Party
@ -18,12 +17,11 @@ use crate::output::{fmt::Colorizer, Help, HelpWriter, Usage};
use crate::parse::features::suggestions;
use crate::parse::{ArgMatcher, SubCommand};
use crate::parse::{Validator, ValueSource};
use crate::util::{color::ColorChoice, ChildGraph, Id};
use crate::util::{color::ColorChoice, Id};
use crate::{INTERNAL_ERROR_MSG, INVALID_UTF8};
pub(crate) struct Parser<'help, 'app> {
pub(crate) app: &'app mut App<'help>,
pub(crate) required: ChildGraph<Id>,
pub(crate) overridden: RefCell<Vec<Id>>,
seen: Vec<Id>,
cur_idx: Cell<usize>,
@ -37,22 +35,8 @@ pub(crate) struct Parser<'help, 'app> {
// Initializing Methods
impl<'help, 'app> Parser<'help, 'app> {
pub(crate) fn new(app: &'app mut App<'help>) -> Self {
let mut reqs = ChildGraph::with_capacity(5);
for a in app.args.args().filter(|a| a.is_required_set()) {
reqs.insert(a.id.clone());
}
for group in &app.groups {
if group.required {
let idx = reqs.insert(group.id.clone());
for a in &group.requires {
reqs.insert_child(idx, a.clone());
}
}
}
Parser {
app,
required: reqs,
overridden: Default::default(),
seen: Vec::new(),
cur_idx: Cell::new(0),
@ -250,7 +234,7 @@ impl<'help, 'app> Parser<'help, 'app> {
return Err(ClapError::no_equals(
self.app,
arg,
Usage::new(self.app, &self.required).create_usage_with_title(&[]),
Usage::new(self.app).create_usage_with_title(&[]),
));
}
ParseResult::NoMatchingArg { arg } => {
@ -265,7 +249,7 @@ impl<'help, 'app> Parser<'help, 'app> {
self.app,
rest,
arg,
Usage::new(self.app, &self.required).create_usage_no_title(&used),
Usage::new(self.app).create_usage_no_title(&used),
))
}
ParseResult::HelpFlag => {
@ -339,7 +323,7 @@ impl<'help, 'app> Parser<'help, 'app> {
return Err(ClapError::no_equals(
self.app,
arg,
Usage::new(self.app, &self.required).create_usage_with_title(&[]),
Usage::new(self.app).create_usage_with_title(&[]),
))
}
ParseResult::NoMatchingArg { arg } => {
@ -347,7 +331,7 @@ impl<'help, 'app> Parser<'help, 'app> {
self.app,
arg,
None,
Usage::new(self.app, &self.required).create_usage_with_title(&[]),
Usage::new(self.app).create_usage_with_title(&[]),
));
}
ParseResult::HelpFlag => {
@ -392,7 +376,7 @@ impl<'help, 'app> Parser<'help, 'app> {
self.app,
arg_os.to_str_lossy().into_owned(),
None,
Usage::new(self.app, &self.required).create_usage_with_title(&[]),
Usage::new(self.app).create_usage_with_title(&[]),
));
}
@ -433,7 +417,7 @@ impl<'help, 'app> Parser<'help, 'app> {
None => {
return Err(ClapError::invalid_utf8(
self.app,
Usage::new(self.app, &self.required).create_usage_with_title(&[]),
Usage::new(self.app).create_usage_with_title(&[]),
));
}
};
@ -448,7 +432,7 @@ impl<'help, 'app> Parser<'help, 'app> {
if !allow_invalid_utf8 && v.to_str().is_none() {
return Err(ClapError::invalid_utf8(
self.app,
Usage::new(self.app, &self.required).create_usage_with_title(&[]),
Usage::new(self.app).create_usage_with_title(&[]),
));
}
sc_m.add_val_to(
@ -501,7 +485,7 @@ impl<'help, 'app> Parser<'help, 'app> {
return ClapError::unnecessary_double_dash(
self.app,
arg_os.to_str_lossy().into_owned(),
Usage::new(self.app, &self.required).create_usage_with_title(&[]),
Usage::new(self.app).create_usage_with_title(&[]),
);
}
}
@ -522,7 +506,7 @@ impl<'help, 'app> Parser<'help, 'app> {
.as_ref()
.unwrap_or(&self.app.name)
.to_string(),
Usage::new(self.app, &self.required).create_usage_with_title(&[]),
Usage::new(self.app).create_usage_with_title(&[]),
);
}
// If the argument must be a subcommand.
@ -542,7 +526,7 @@ impl<'help, 'app> Parser<'help, 'app> {
self.app,
arg_os.to_str_lossy().into_owned(),
None,
Usage::new(self.app, &self.required).create_usage_with_title(&[]),
Usage::new(self.app).create_usage_with_title(&[]),
)
}
@ -687,57 +671,9 @@ impl<'help, 'app> Parser<'help, 'app> {
) -> ClapResult<()> {
debug!("Parser::parse_subcommand");
let mut mid_string = String::from(" ");
if !self.app.is_subcommand_negates_reqs_set() {
let reqs =
Usage::new(self.app, &self.required).get_required_usage_from(&[], None, true); // maybe Some(m)
for s in &reqs {
mid_string.push_str(s);
mid_string.push(' ');
}
}
let partial_parsing_enabled = self.app.is_ignore_errors_set();
if let Some(sc) = self.app.subcommands.iter_mut().find(|s| s.name == sc_name) {
// Display subcommand name, short and long in usage
let mut sc_names = sc.name.clone();
let mut flag_subcmd = false;
if let Some(l) = sc.long_flag {
write!(sc_names, ", --{}", l).unwrap();
flag_subcmd = true;
}
if let Some(s) = sc.short_flag {
write!(sc_names, ", -{}", s).unwrap();
flag_subcmd = true;
}
if flag_subcmd {
sc_names = format!("{{{}}}", sc_names);
}
sc.usage = Some(
self.app
.bin_name
.as_ref()
.map(|bin_name| format!("{}{}{}", bin_name, mid_string, sc_names))
.unwrap_or(sc_names),
);
// bin_name should be parent's bin_name + [<reqs>] + the sc's name separated by
// a space
sc.bin_name = Some(format!(
"{}{}{}",
self.app.bin_name.as_ref().unwrap_or(&String::new()),
if self.app.bin_name.is_some() { " " } else { "" },
&*sc.name
));
// Ensure all args are built and ready to parse
sc._build();
if let Some(sc) = self.app._build_subcommand(sc_name) {
let mut sc_matcher = ArgMatcher::new(sc);
debug!("Parser::parse_subcommand: About to parse sc={}", sc.name);
@ -919,13 +855,14 @@ impl<'help, 'app> Parser<'help, 'app> {
);
self.parse_opt(val, opt, matcher, trailing_values)
} else if let Some(rest) = val {
let required = self.app.required_graph();
debug!("Parser::parse_long_arg: Got invalid literal `{:?}`", rest);
let used: Vec<Id> = matcher
.arg_names()
.filter(|&n| {
self.app.find(n).map_or(true, |a| {
!(a.is_hide_set() || self.required.contains(&a.id))
})
self.app
.find(n)
.map_or(true, |a| !(a.is_hide_set() || required.contains(&a.id)))
})
.cloned()
.collect();
@ -1520,12 +1457,13 @@ impl<'help, 'app> Parser<'help, 'app> {
}
}
let required = self.app.required_graph();
let used: Vec<Id> = matcher
.arg_names()
.filter(|n| {
self.app.find(n).map_or(true, |a| {
!(self.required.contains(&a.id) || a.is_hide_set())
})
self.app
.find(n)
.map_or(true, |a| !(required.contains(&a.id) || a.is_hide_set()))
})
.cloned()
.collect();
@ -1534,12 +1472,14 @@ impl<'help, 'app> Parser<'help, 'app> {
self.app,
format!("--{}", arg),
did_you_mean,
Usage::new(self.app, &self.required).create_usage_with_title(&*used),
Usage::new(self.app)
.required(&required)
.create_usage_with_title(&*used),
)
}
pub(crate) fn write_help_err(&self) -> ClapResult<Colorizer> {
let usage = Usage::new(self.app, &self.required);
let usage = Usage::new(self.app);
let mut c = Colorizer::new(true, self.color_help());
Help::new(HelpWriter::Buffer(&mut c), self.app, &usage, false).write_help()?;
Ok(c)
@ -1552,7 +1492,7 @@ impl<'help, 'app> Parser<'help, 'app> {
);
use_long = use_long && self.use_long_help();
let usage = Usage::new(self.app, &self.required);
let usage = Usage::new(self.app);
let mut c = Colorizer::new(false, self.color_help());
match Help::new(HelpWriter::Buffer(&mut c), self.app, &usage, use_long).write_help() {

View file

@ -3,16 +3,19 @@ use crate::build::{App, AppSettings, Arg, ArgPredicate, PossibleValue};
use crate::error::{Error, Result as ClapResult};
use crate::output::Usage;
use crate::parse::{ArgMatcher, MatchedArg, ParseState, Parser};
use crate::util::ChildGraph;
use crate::util::Id;
use crate::{INTERNAL_ERROR_MSG, INVALID_UTF8};
pub(crate) struct Validator<'help, 'app, 'parser> {
p: &'parser mut Parser<'help, 'app>,
required: ChildGraph<Id>,
}
impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
pub(crate) fn new(p: &'parser mut Parser<'help, 'app>) -> Self {
Validator { p }
let required = p.app.required_graph();
Validator { p, required }
}
pub(crate) fn validate(
@ -46,7 +49,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
.filter_map(PossibleValue::get_visible_name)
.collect::<Vec<_>>(),
o,
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
}
}
@ -67,7 +72,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
return Err(Error::missing_subcommand(
self.p.app,
bn.to_string(),
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
} else if !has_subcmd && self.p.app.is_set(AppSettings::SubcommandRequiredElseHelp) {
debug!("Validator::new::get_matches_with: SubcommandRequiredElseHelp=true");
@ -99,7 +106,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
);
return Err(Error::invalid_utf8(
self.p.app,
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
}
if !arg.possible_vals.is_empty() {
@ -118,7 +127,7 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
.filter(|arg_id| matcher.check_explicit(arg_id, ArgPredicate::IsPresent))
.filter(|&n| {
self.p.app.find(n).map_or(true, |a| {
!(a.is_hide_set() || self.p.required.contains(&a.id))
!(a.is_hide_set() || self.required.contains(&a.id))
})
})
.cloned()
@ -131,7 +140,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
.filter_map(PossibleValue::get_visible_name)
.collect::<Vec<_>>(),
arg,
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&used),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&used),
));
}
}
@ -144,7 +155,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
.filter_map(PossibleValue::get_visible_name)
.collect::<Vec<_>>(),
arg,
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
}
@ -221,7 +234,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
self.p.app,
arg,
Vec::new(),
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
))
})
}
@ -277,7 +292,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
.chain(used_filtered.iter())
.cloned()
.collect();
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&required)
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&required)
}
fn gather_requires(&mut self, matcher: &ArgMatcher) {
@ -294,12 +311,12 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
};
for req in self.p.app.unroll_arg_requires(is_relevant, &arg.id) {
self.p.required.insert(req);
self.required.insert(req);
}
} else if let Some(g) = self.p.app.find_group(name) {
debug!("Validator::gather_requires:iter:{:?}:group", name);
for r in &g.requires {
self.p.required.insert(r.clone());
self.required.insert(r.clone());
}
}
}
@ -335,7 +352,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
return Err(Error::unexpected_multiple_usage(
self.p.app,
a,
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
}
if let Some(max_occurs) = a.max_occurs {
@ -350,7 +369,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
a,
max_occurs,
occurs,
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
}
}
@ -379,7 +400,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
} else {
total_num
},
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
}
}
@ -396,7 +419,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
.expect(INVALID_UTF8)
.to_string(),
a.to_string(),
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
}
}
@ -409,7 +434,9 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
a,
num,
ma.num_vals(),
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
}
num == 0
@ -426,20 +453,19 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
.filter_map(PossibleValue::get_visible_name)
.collect::<Vec<_>>(),
a,
Usage::new(self.p.app, &self.p.required).create_usage_with_title(&[]),
Usage::new(self.p.app)
.required(&self.required)
.create_usage_with_title(&[]),
));
}
Ok(())
}
fn validate_required(&mut self, matcher: &ArgMatcher) -> ClapResult<()> {
debug!(
"Validator::validate_required: required={:?}",
self.p.required
);
debug!("Validator::validate_required: required={:?}", self.required);
self.gather_requires(matcher);
for arg_or_group in self.p.required.iter().filter(|r| !matcher.contains(r)) {
for arg_or_group in self.required.iter().filter(|r| !matcher.contains(r)) {
debug!("Validator::validate_required:iter:aog={:?}", arg_or_group);
if let Some(arg) = self.p.app.find(arg_or_group) {
debug!("Validator::validate_required:iter: This is an arg");
@ -535,10 +561,10 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
debug!("Validator::missing_required_error; incl={:?}", incl);
debug!(
"Validator::missing_required_error: reqs={:?}",
self.p.required
self.required
);
let usg = Usage::new(self.p.app, &self.p.required);
let usg = Usage::new(self.p.app).required(&self.required);
let req_args = usg.get_required_usage_from(&incl, Some(matcher), true);
@ -552,9 +578,10 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
.filter(|arg_id| matcher.check_explicit(arg_id, ArgPredicate::IsPresent))
.filter(|n| {
// Filter out the args we don't want to specify.
self.p.app.find(n).map_or(true, |a| {
!a.is_hide_set() && !self.p.required.contains(&a.id)
})
self.p
.app
.find(n)
.map_or(true, |a| !a.is_hide_set() && !self.required.contains(&a.id))
})
.cloned()
.chain(incl)