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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:13:23 +0000 |
commit | 20431706a863f92cb37dc512fef6e48d192aaf2c (patch) | |
tree | 2867f13f5fd5437ba628c67d7f87309ccadcd286 /vendor/xflags-macros/tests/it/help.rs | |
parent | Releasing progress-linux version 1.65.0+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.tar.xz rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/xflags-macros/tests/it/help.rs')
-rw-r--r-- | vendor/xflags-macros/tests/it/help.rs | 84 |
1 files changed, 38 insertions, 46 deletions
diff --git a/vendor/xflags-macros/tests/it/help.rs b/vendor/xflags-macros/tests/it/help.rs index 36a966485..f17062988 100644 --- a/vendor/xflags-macros/tests/it/help.rs +++ b/vendor/xflags-macros/tests/it/help.rs @@ -21,7 +21,10 @@ pub struct Sub { } impl Helpful { - pub const HELP: &'static str = Self::HELP_; + #[allow(dead_code)] + pub fn from_env_or_exit() -> Self { + Self::from_env_or_exit_() + } #[allow(dead_code)] pub fn from_env() -> xflags::Result<Self> { @@ -35,6 +38,9 @@ impl Helpful { } impl Helpful { + fn from_env_or_exit_() -> Self { + Self::from_env_().unwrap_or_else(|err| err.exit()) + } fn from_env_() -> xflags::Result<Self> { let mut p = xflags::rt::Parser::new_from_env(); Self::parse_(&mut p) @@ -47,68 +53,51 @@ impl Helpful { impl Helpful { fn parse_(p_: &mut xflags::rt::Parser) -> xflags::Result<Self> { + #![allow(non_snake_case)] let mut switch = Vec::new(); - let mut src = (false, Vec::new()); let mut extra = (false, Vec::new()); + let mut sub__flag = Vec::new(); - let mut sub_ = None; + let mut state_ = 0u8; while let Some(arg_) = p_.pop_flag() { match arg_ { - Ok(flag_) => match flag_.as_str() { - "--switch" | "-s" => switch.push(()), + Ok(flag_) => match (state_, flag_.as_str()) { + (0 | 1, "--switch" | "-s") => switch.push(()), + (0 | 1, "--help" | "-h") => return Err(p_.help(Self::HELP_)), + (1, "--flag" | "-f") => sub__flag.push(()), _ => return Err(p_.unexpected_flag(&flag_)), }, - Err(arg_) => { - match arg_.to_str().unwrap_or("") { - "sub" => { - sub_ = Some(HelpfulCmd::Sub(Sub::parse_(p_)?)); - break; + Err(arg_) => match (state_, arg_.to_str().unwrap_or("")) { + (0, "sub") => state_ = 1, + (0, _) => { + if let (done_ @ false, buf_) = &mut src { + buf_.push(arg_.into()); + *done_ = true; + continue; } - _ => (), - } - if let (done_ @ false, buf_) = &mut src { - buf_.push(arg_.into()); - *done_ = true; - continue; - } - if let (done_ @ false, buf_) = &mut extra { - buf_.push(p_.value_from_str::<String>("extra", arg_)?); - *done_ = true; - continue; + if let (done_ @ false, buf_) = &mut extra { + buf_.push(p_.value_from_str::<String>("extra", arg_)?); + *done_ = true; + continue; + } + return Err(p_.unexpected_arg(arg_)); } - return Err(p_.unexpected_arg(arg_)); - } + _ => return Err(p_.unexpected_arg(arg_)), + }, } } - Ok(Self { + Ok(Helpful { + switch: p_.required("--switch", switch)?, src: p_.optional("src", src.1)?, extra: p_.optional("extra", extra.1)?, - - switch: p_.required("--switch", switch)?, - subcommand: p_.subcommand(sub_)?, + subcommand: match state_ { + 1 => HelpfulCmd::Sub(Sub { flag: p_.optional("--flag", sub__flag)?.is_some() }), + _ => return Err(p_.subcommand_required()), + }, }) } } - -impl Sub { - fn parse_(p_: &mut xflags::rt::Parser) -> xflags::Result<Self> { - let mut flag = Vec::new(); - - while let Some(arg_) = p_.pop_flag() { - match arg_ { - Ok(flag_) => match flag_.as_str() { - "--flag" | "-f" => flag.push(()), - _ => return Err(p_.unexpected_flag(&flag_)), - }, - Err(arg_) => { - return Err(p_.unexpected_arg(arg_)); - } - } - } - Ok(Self { flag: p_.optional("--flag", flag)?.is_some() }) - } -} impl Helpful { const HELP_: &'static str = "\ helpful @@ -131,6 +120,9 @@ OPTIONS: -s, --switch And a switch. + -h, --help + Prints help information. + SUBCOMMANDS: helpful sub |