diff options
Diffstat (limited to 'third_party/rust/clap/src/build/app_settings.rs')
| -rw-r--r-- | third_party/rust/clap/src/build/app_settings.rs | 765 |
1 files changed, 765 insertions, 0 deletions
diff --git a/third_party/rust/clap/src/build/app_settings.rs b/third_party/rust/clap/src/build/app_settings.rs new file mode 100644 index 0000000000..65d69ef825 --- /dev/null +++ b/third_party/rust/clap/src/build/app_settings.rs @@ -0,0 +1,765 @@ +#![allow(deprecated)] + +// Std +use std::ops::BitOr; +#[cfg(feature = "yaml")] +use std::str::FromStr; + +#[allow(unused)] +use crate::Arg; +#[allow(unused)] +use crate::Command; + +// Third party +use bitflags::bitflags; + +#[doc(hidden)] +#[derive(Debug, Copy, Clone, PartialEq, Eq)] +pub struct AppFlags(Flags); + +impl Default for AppFlags { + fn default() -> Self { + AppFlags(Flags::COLOR_AUTO) + } +} + +/// Application level settings, which affect how [`Command`] operates +/// +/// **NOTE:** When these settings are used, they apply only to current command, and are *not* +/// propagated down or up through child or parent subcommands +/// +/// [`Command`]: crate::Command +#[derive(Debug, PartialEq, Copy, Clone)] +#[non_exhaustive] +pub enum AppSettings { + /// Deprecated, replaced with [`Command::ignore_errors`] + #[deprecated(since = "3.1.0", note = "Replaced with `Command::ignore_errors`")] + IgnoreErrors, + + /// Deprecated, replace + /// ```rust,no_run + /// let cmd = clap::Command::new("cmd") + /// .global_setting(clap::AppSettings::WaitOnError) + /// .arg(clap::arg!(--flag)); + /// let m = cmd.get_matches(); + /// ``` + /// with + /// ```rust + /// let cmd = clap::Command::new("cmd") + /// .arg(clap::arg!(--flag)); + /// let m = match cmd.try_get_matches() { + /// Ok(m) => m, + /// Err(err) => { + /// if err.use_stderr() { + /// let _ = err.print(); + /// + /// eprintln!("\nPress [ENTER] / [RETURN] to continue..."); + /// use std::io::BufRead; + /// let mut s = String::new(); + /// let i = std::io::stdin(); + /// i.lock().read_line(&mut s).unwrap(); + /// + /// std::process::exit(2); + /// } else { + /// let _ = err.print(); + /// std::process::exit(0); + /// } + /// } + /// }; + /// ``` + #[deprecated( + since = "3.1.0", + note = "See documentation for how to hand-implement this" + )] + WaitOnError, + + /// Deprecated, replaced with [`Command::allow_hyphen_values`] and + /// [`Arg::is_allow_hyphen_values_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::allow_hyphen_values` and `Arg::is_allow_hyphen_values_set`" + )] + AllowHyphenValues, + + /// Deprecated, replaced with [`Command::allow_negative_numbers`] and + /// [`Command::is_allow_negative_numbers_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::allow_negative_numbers` and `Command::is_allow_negative_numbers_set`" + )] + AllowNegativeNumbers, + + /// Deprecated, replaced with [`Command::args_override_self`] + #[deprecated(since = "3.1.0", note = "Replaced with `Command::args_override_self`")] + AllArgsOverrideSelf, + + /// Deprecated, replaced with [`Command::allow_missing_positional`] and + /// [`Command::is_allow_missing_positional_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::allow_missing_positional` and `Command::is_allow_missing_positional_set`" + )] + AllowMissingPositional, + + /// Deprecated, replaced with [`Command::trailing_var_arg`] and [`Command::is_trailing_var_arg_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::trailing_var_arg` and `Command::is_trailing_var_arg_set`" + )] + TrailingVarArg, + + /// Deprecated, replaced with [`Command::dont_delimit_trailing_values`] and + /// [`Command::is_dont_delimit_trailing_values_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::dont_delimit_trailing_values` and `Command::is_dont_delimit_trailing_values_set`" + )] + DontDelimitTrailingValues, + + /// Deprecated, replaced with [`Command::infer_long_args`] + #[deprecated(since = "3.1.0", note = "Replaced with `Command::infer_long_args`")] + InferLongArgs, + + /// Deprecated, replaced with [`Command::infer_subcommands`] + #[deprecated(since = "3.1.0", note = "Replaced with `Command::infer_subcommands`")] + InferSubcommands, + + /// Deprecated, replaced with [`Command::subcommand_required`] and + /// [`Command::is_subcommand_required_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::subcommand_required` and `Command::is_subcommand_required_set`" + )] + SubcommandRequired, + + /// Deprecated, replaced with [`Command::subcommand_required`] combined with + /// [`Command::arg_required_else_help`]. + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::subcommand_required` combined with `Command::arg_required_else_help`" + )] + SubcommandRequiredElseHelp, + + /// Deprecated, replaced with [`Command::allow_external_subcommands`] and + /// [`Command::is_allow_external_subcommands_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::allow_external_subcommands` and `Command::is_allow_external_subcommands_set`" + )] + AllowExternalSubcommands, + + /// Deprecated, replaced with [`Command::multicall`] and [`Command::is_multicall_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::multicall` and `Command::is_multicall_set`" + )] + #[cfg(feature = "unstable-multicall")] + Multicall, + + /// Deprecated, replaced with [`Command::allow_invalid_utf8_for_external_subcommands`] and [`Command::is_allow_invalid_utf8_for_external_subcommands_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::allow_invalid_utf8_for_external_subcommands` and `Command::is_allow_invalid_utf8_for_external_subcommands_set`" + )] + AllowInvalidUtf8ForExternalSubcommands, + + /// Deprecated, this is now the default + #[deprecated(since = "3.1.0", note = "This is now the default")] + UseLongFormatForHelpSubcommand, + + /// Deprecated, replaced with [`Command::subcommand_negates_reqs`] and + /// [`Command::is_subcommand_negates_reqs_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::subcommand_negates_reqs` and `Command::is_subcommand_negates_reqs_set`" + )] + SubcommandsNegateReqs, + + /// Deprecated, replaced with [`Command::args_conflicts_with_subcommands`] and + /// [`Command::is_args_conflicts_with_subcommands_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::args_conflicts_with_subcommands` and `Command::is_args_conflicts_with_subcommands_set`" + )] + ArgsNegateSubcommands, + + /// Deprecated, replaced with [`Command::subcommand_precedence_over_arg`] and + /// [`Command::is_subcommand_precedence_over_arg_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::subcommand_precedence_over_arg` and `Command::is_subcommand_precedence_over_arg_set`" + )] + SubcommandPrecedenceOverArg, + + /// Deprecated, replaced with [`Command::arg_required_else_help`] and + /// [`Command::is_arg_required_else_help_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::arg_required_else_help` and `Command::is_arg_required_else_help_set`" + )] + ArgRequiredElseHelp, + + /// Displays the arguments and [`subcommands`] in the help message in the order that they were + /// declared in, and not alphabetically which is the default. + /// + /// To override the declaration order, see [`Arg::display_order`] and [`Command::display_order`]. + /// + /// # Examples + /// + /// ```no_run + /// # use clap::{Command, Arg, AppSettings}; + /// Command::new("myprog") + /// .global_setting(AppSettings::DeriveDisplayOrder) + /// .get_matches(); + /// ``` + /// + /// [`subcommands`]: crate::Command::subcommand() + /// [`Arg::display_order`]: crate::Arg::display_order + /// [`Command::display_order`]: crate::Command::display_order + DeriveDisplayOrder, + + /// Deprecated, replaced with [`Command::dont_collapse_args_in_usage`] and + /// [`Command::is_dont_collapse_args_in_usage_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::dont_collapse_args_in_usage` and `Command::is_dont_collapse_args_in_usage_set`" + )] + DontCollapseArgsInUsage, + + /// Deprecated, replaced with [`Command::next_line_help`] and [`Command::is_next_line_help_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::next_line_help` and `Command::is_next_line_help_set`" + )] + NextLineHelp, + + /// Deprecated, replaced with [`Command::disable_colored_help`] and + /// [`Command::is_disable_colored_help_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::disable_colored_help` and `Command::is_disable_colored_help_set`" + )] + DisableColoredHelp, + + /// Deprecated, replaced with [`Command::disable_help_flag`] and [`Command::is_disable_help_flag_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::disable_help_flag` and `Command::is_disable_help_flag_set`" + )] + DisableHelpFlag, + + /// Deprecated, replaced with [`Command::disable_help_subcommand`] and + /// [`Command::is_disable_help_subcommand_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::disable_help_subcommand` and `Command::is_disable_help_subcommand_set`" + )] + DisableHelpSubcommand, + + /// Deprecated, replaced with [`Command::disable_version_flag`] and + /// [`Command::is_disable_version_flag_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::disable_version_flag` and `Command::is_disable_version_flag_set`" + )] + DisableVersionFlag, + + /// Deprecated, replaced with [`Command::propagate_version`] and [`Command::is_propagate_version_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::propagate_version` and `Command::is_propagate_version_set`" + )] + PropagateVersion, + + /// Deprecated, replaced with [`Command::hide`] and [`Command::is_hide_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::hide` and `Command::is_hide_set`" + )] + Hidden, + + /// Deprecated, replaced with [`Command::hide_possible_values`] and + /// [`Arg::is_hide_possible_values_set`] + #[deprecated( + since = "3.1.0", + note = "Replaced with `Command::hide_possible_values` and `Arg::is_hide_possible_values_set`" + )] + HidePossibleValues, + + /// Deprecated, replaced with [`Command::help_expected`] + #[deprecated(since = "3.1.0", note = "Replaced with `Command::help_expected`")] + HelpExpected, + + /// Deprecated, replaced with [`Command::no_binary_name`] + #[deprecated(since = "3.1.0", note = "Replaced with `Command::no_binary_name`")] + NoBinaryName, + + /// Treat the auto-generated `-h, --help` flags like any other flag, and *not* print the help + /// message. + /// + /// This allows one to handle printing of the help message manually. + /// + /// ```rust + /// # use clap::{Command, AppSettings}; + /// let result = Command::new("myprog") + /// .setting(AppSettings::NoAutoHelp) + /// .try_get_matches_from("myprog --help".split(" ")); + /// + /// // Normally, if `--help` is used clap prints the help message and returns an + /// // ErrorKind::DisplayHelp + /// // + /// // However, `--help` was treated like a normal flag + /// + /// assert!(result.is_ok()); + /// assert!(result.unwrap().is_present("help")); + /// ``` + NoAutoHelp, + + /// Treat the auto-generated `-V, --version` flags like any other flag, and + /// *not* print the version message. + /// + /// This allows one to handle printing of the version message manually. + /// + /// ```rust + /// # use clap::{Command, AppSettings}; + /// let result = Command::new("myprog") + /// .version("3.0") + /// .setting(AppSettings::NoAutoVersion) + /// .try_get_matches_from("myprog --version".split(" ")); + /// + /// // Normally, if `--version` is used clap prints the version message and returns an + /// // ErrorKind::DisplayVersion + /// // + /// // However, `--version` was treated like a normal flag + /// + /// assert!(result.is_ok()); + /// assert!(result.unwrap().is_present("version")); + /// ``` + NoAutoVersion, + + /// Deprecated, replaced with [`AppSettings::AllowHyphenValues`] + #[deprecated( + since = "3.0.0", + note = "Replaced with `AppSettings::AllowHyphenValues`" + )] + #[doc(hidden)] + AllowLeadingHyphen, + + /// Deprecated, this is now the default, see [`AppSettings::AllowInvalidUtf8ForExternalSubcommands`] and [`ArgSettings::AllowInvalidUtf8`][crate::ArgSettings::AllowInvalidUtf8] for the opposite. + #[deprecated( + since = "3.0.0", + note = "This is now the default see `AppSettings::AllowInvalidUtf8ForExternalSubcommands` and `ArgSettings::AllowInvalidUtf8` for the opposite." + )] + #[doc(hidden)] + StrictUtf8, + + /// Deprecated, this is now the default + #[deprecated(since = "3.0.0", note = "This is now the default")] + #[doc(hidden)] + UnifiedHelpMessage, + + /// Deprecated, this is now the default + #[deprecated(since = "3.0.0", note = "This is now the default")] + #[doc(hidden)] + ColoredHelp, + + /// Deprecated, see [`Command::color`][crate::Command::color] + #[deprecated(since = "3.0.0", note = "Replaced with `Command::color`")] + #[doc(hidden)] + ColorAuto, + + /// Deprecated, replaced with [`Command::color`][crate::Command::color] + #[deprecated(since = "3.0.0", note = "Replaced with `Command::color`")] + #[doc(hidden)] + ColorAlways, + + /// Deprecated, replaced with [`Command::color`][crate::Command::color] + #[deprecated(since = "3.0.0", note = "Replaced with `Command::color`")] + #[doc(hidden)] + ColorNever, + + /// Deprecated, replaced with [`AppSettings::DisableHelpFlag`] + #[deprecated(since = "3.0.0", note = "Replaced with `AppSettings::DisableHelpFlag`")] + #[doc(hidden)] + DisableHelpFlags, + + /// Deprecated, replaced with [`AppSettings::DisableVersionFlag`] + #[deprecated( + since = "3.0.0", + note = "Replaced with `AppSettings::DisableVersionFlag`" + )] + #[doc(hidden)] + DisableVersion, + + /// Deprecated, replaced with [`AppSettings::PropagateVersion`] + #[deprecated( + since = "3.0.0", + note = "Replaced with `AppSettings::PropagateVersion`" + )] + #[doc(hidden)] + GlobalVersion, + + /// Deprecated, replaced with [`AppSettings::HidePossibleValues`] + #[deprecated( + since = "3.0.0", + note = "Replaced with AppSettings::HidePossibleValues" + )] + #[doc(hidden)] + HidePossibleValuesInHelp, + + /// Deprecated, this is now the default + #[deprecated(since = "3.0.0", note = "This is now the default")] + #[doc(hidden)] + UnifiedHelp, + + /// If the cmd is already built, used for caching. + #[doc(hidden)] + Built, + + /// If the cmd's bin name is already built, used for caching. + #[doc(hidden)] + BinNameBuilt, +} + +bitflags! { + struct Flags: u64 { + const SC_NEGATE_REQS = 1; + const SC_REQUIRED = 1 << 1; + const ARG_REQUIRED_ELSE_HELP = 1 << 2; + const PROPAGATE_VERSION = 1 << 3; + const DISABLE_VERSION_FOR_SC = 1 << 4; + const WAIT_ON_ERROR = 1 << 6; + const SC_REQUIRED_ELSE_HELP = 1 << 7; + const NO_AUTO_HELP = 1 << 8; + const NO_AUTO_VERSION = 1 << 9; + const DISABLE_VERSION_FLAG = 1 << 10; + const HIDDEN = 1 << 11; + const TRAILING_VARARG = 1 << 12; + const NO_BIN_NAME = 1 << 13; + const ALLOW_UNK_SC = 1 << 14; + const SC_UTF8_NONE = 1 << 15; + const LEADING_HYPHEN = 1 << 16; + const NO_POS_VALUES = 1 << 17; + const NEXT_LINE_HELP = 1 << 18; + const DERIVE_DISP_ORDER = 1 << 19; + const DISABLE_COLORED_HELP = 1 << 20; + const COLOR_ALWAYS = 1 << 21; + const COLOR_AUTO = 1 << 22; + const COLOR_NEVER = 1 << 23; + const DONT_DELIM_TRAIL = 1 << 24; + const ALLOW_NEG_NUMS = 1 << 25; + const DISABLE_HELP_SC = 1 << 27; + const DONT_COLLAPSE_ARGS = 1 << 28; + const ARGS_NEGATE_SCS = 1 << 29; + const PROPAGATE_VALS_DOWN = 1 << 30; + const ALLOW_MISSING_POS = 1 << 31; + const TRAILING_VALUES = 1 << 32; + const BUILT = 1 << 33; + const BIN_NAME_BUILT = 1 << 34; + const VALID_ARG_FOUND = 1 << 35; + const INFER_SUBCOMMANDS = 1 << 36; + const CONTAINS_LAST = 1 << 37; + const ARGS_OVERRIDE_SELF = 1 << 38; + const HELP_REQUIRED = 1 << 39; + const SUBCOMMAND_PRECEDENCE_OVER_ARG = 1 << 40; + const DISABLE_HELP_FLAG = 1 << 41; + const USE_LONG_FORMAT_FOR_HELP_SC = 1 << 42; + const INFER_LONG_ARGS = 1 << 43; + const IGNORE_ERRORS = 1 << 44; + #[cfg(feature = "unstable-multicall")] + const MULTICALL = 1 << 45; + const NO_OP = 0; + } +} + +impl_settings! { AppSettings, AppFlags, + ArgRequiredElseHelp + => Flags::ARG_REQUIRED_ELSE_HELP, + SubcommandPrecedenceOverArg + => Flags::SUBCOMMAND_PRECEDENCE_OVER_ARG, + ArgsNegateSubcommands + => Flags::ARGS_NEGATE_SCS, + AllowExternalSubcommands + => Flags::ALLOW_UNK_SC, + StrictUtf8 + => Flags::NO_OP, + AllowInvalidUtf8ForExternalSubcommands + => Flags::SC_UTF8_NONE, + AllowHyphenValues + => Flags::LEADING_HYPHEN, + AllowLeadingHyphen + => Flags::LEADING_HYPHEN, + AllowNegativeNumbers + => Flags::ALLOW_NEG_NUMS, + AllowMissingPositional + => Flags::ALLOW_MISSING_POS, + UnifiedHelpMessage + => Flags::NO_OP, + ColoredHelp + => Flags::NO_OP, + ColorAlways + => Flags::COLOR_ALWAYS, + ColorAuto + => Flags::COLOR_AUTO, + ColorNever + => Flags::COLOR_NEVER, + DontDelimitTrailingValues + => Flags::DONT_DELIM_TRAIL, + DontCollapseArgsInUsage + => Flags::DONT_COLLAPSE_ARGS, + DeriveDisplayOrder + => Flags::DERIVE_DISP_ORDER, + DisableColoredHelp + => Flags::DISABLE_COLORED_HELP, + DisableHelpSubcommand + => Flags::DISABLE_HELP_SC, + DisableHelpFlag + => Flags::DISABLE_HELP_FLAG, + DisableHelpFlags + => Flags::DISABLE_HELP_FLAG, + DisableVersionFlag + => Flags::DISABLE_VERSION_FLAG, + DisableVersion + => Flags::DISABLE_VERSION_FLAG, + PropagateVersion + => Flags::PROPAGATE_VERSION, + GlobalVersion + => Flags::PROPAGATE_VERSION, + HidePossibleValues + => Flags::NO_POS_VALUES, + HidePossibleValuesInHelp + => Flags::NO_POS_VALUES, + HelpExpected + => Flags::HELP_REQUIRED, + Hidden + => Flags::HIDDEN, + #[cfg(feature = "unstable-multicall")] + Multicall + => Flags::MULTICALL, + NoAutoHelp + => Flags::NO_AUTO_HELP, + NoAutoVersion + => Flags::NO_AUTO_VERSION, + NoBinaryName + => Flags::NO_BIN_NAME, + SubcommandsNegateReqs + => Flags::SC_NEGATE_REQS, + SubcommandRequired + => Flags::SC_REQUIRED, + SubcommandRequiredElseHelp + => Flags::SC_REQUIRED_ELSE_HELP, + UseLongFormatForHelpSubcommand + => Flags::USE_LONG_FORMAT_FOR_HELP_SC, + TrailingVarArg + => Flags::TRAILING_VARARG, + UnifiedHelp => Flags::NO_OP, + NextLineHelp + => Flags::NEXT_LINE_HELP, + IgnoreErrors + => Flags::IGNORE_ERRORS, + WaitOnError + => Flags::WAIT_ON_ERROR, + Built + => Flags::BUILT, + BinNameBuilt + => Flags::BIN_NAME_BUILT, + InferSubcommands + => Flags::INFER_SUBCOMMANDS, + AllArgsOverrideSelf + => Flags::ARGS_OVERRIDE_SELF, + InferLongArgs + => Flags::INFER_LONG_ARGS +} + +/// Deprecated in [Issue #3087](https://github.com/clap-rs/clap/issues/3087), maybe [`clap::Parser`][crate::Parser] would fit your use case? +#[cfg(feature = "yaml")] +impl FromStr for AppSettings { + type Err = String; + fn from_str(s: &str) -> Result<Self, <Self as FromStr>::Err> { + #[allow(deprecated)] + #[allow(unreachable_patterns)] + match &*s.to_ascii_lowercase() { + "argrequiredelsehelp" => Ok(AppSettings::ArgRequiredElseHelp), + "subcommandprecedenceoverarg" => Ok(AppSettings::SubcommandPrecedenceOverArg), + "argsnegatesubcommands" => Ok(AppSettings::ArgsNegateSubcommands), + "allowexternalsubcommands" => Ok(AppSettings::AllowExternalSubcommands), + "strictutf8" => Ok(AppSettings::StrictUtf8), + "allowinvalidutf8forexternalsubcommands" => { + Ok(AppSettings::AllowInvalidUtf8ForExternalSubcommands) + } + "allowhyphenvalues" => Ok(AppSettings::AllowHyphenValues), + "allowleadinghyphen" => Ok(AppSettings::AllowLeadingHyphen), + "allownegativenumbers" => Ok(AppSettings::AllowNegativeNumbers), + "allowmissingpositional" => Ok(AppSettings::AllowMissingPositional), + "unifiedhelpmessage" => Ok(AppSettings::UnifiedHelpMessage), + "coloredhelp" => Ok(AppSettings::ColoredHelp), + "coloralways" => Ok(AppSettings::ColorAlways), + "colorauto" => Ok(AppSettings::ColorAuto), + "colornever" => Ok(AppSettings::ColorNever), + "dontdelimittrailingvalues" => Ok(AppSettings::DontDelimitTrailingValues), + "dontcollapseargsinusage" => Ok(AppSettings::DontCollapseArgsInUsage), + "derivedisplayorder" => Ok(AppSettings::DeriveDisplayOrder), + "disablecoloredhelp" => Ok(AppSettings::DisableColoredHelp), + "disablehelpsubcommand" => Ok(AppSettings::DisableHelpSubcommand), + "disablehelpflag" => Ok(AppSettings::DisableHelpFlag), + "disablehelpflags" => Ok(AppSettings::DisableHelpFlags), + "disableversionflag" => Ok(AppSettings::DisableVersionFlag), + "disableversion" => Ok(AppSettings::DisableVersion), + "propagateversion" => Ok(AppSettings::PropagateVersion), + "propagateversion" => Ok(AppSettings::GlobalVersion), + "hidepossiblevalues" => Ok(AppSettings::HidePossibleValues), + "hidepossiblevaluesinhelp" => Ok(AppSettings::HidePossibleValuesInHelp), + "helpexpected" => Ok(AppSettings::HelpExpected), + "hidden" => Ok(AppSettings::Hidden), + "noautohelp" => Ok(AppSettings::NoAutoHelp), + "noautoversion" => Ok(AppSettings::NoAutoVersion), + "nobinaryname" => Ok(AppSettings::NoBinaryName), + "subcommandsnegatereqs" => Ok(AppSettings::SubcommandsNegateReqs), + "subcommandrequired" => Ok(AppSettings::SubcommandRequired), + "subcommandrequiredelsehelp" => Ok(AppSettings::SubcommandRequiredElseHelp), + "uselongformatforhelpsubcommand" => Ok(AppSettings::UseLongFormatForHelpSubcommand), + "trailingvararg" => Ok(AppSettings::TrailingVarArg), + "unifiedhelp" => Ok(AppSettings::UnifiedHelp), + "nextlinehelp" => Ok(AppSettings::NextLineHelp), + "ignoreerrors" => Ok(AppSettings::IgnoreErrors), + "waitonerror" => Ok(AppSettings::WaitOnError), + "built" => Ok(AppSettings::Built), + "binnamebuilt" => Ok(AppSettings::BinNameBuilt), + "infersubcommands" => Ok(AppSettings::InferSubcommands), + "allargsoverrideself" => Ok(AppSettings::AllArgsOverrideSelf), + "inferlongargs" => Ok(AppSettings::InferLongArgs), + _ => Err(format!("unknown AppSetting: `{}`", s)), + } + } +} + +#[cfg(test)] +mod test { + #[allow(clippy::cognitive_complexity)] + #[test] + #[cfg(feature = "yaml")] + fn app_settings_fromstr() { + use super::AppSettings; + + assert_eq!( + "disablehelpflag".parse::<AppSettings>().unwrap(), + AppSettings::DisableHelpFlag + ); + assert_eq!( + "argsnegatesubcommands".parse::<AppSettings>().unwrap(), + AppSettings::ArgsNegateSubcommands + ); + assert_eq!( + "argrequiredelsehelp".parse::<AppSettings>().unwrap(), + AppSettings::ArgRequiredElseHelp + ); + assert_eq!( + "subcommandprecedenceoverarg" + .parse::<AppSettings>() + .unwrap(), + AppSettings::SubcommandPrecedenceOverArg + ); + assert_eq!( + "allowexternalsubcommands".parse::<AppSettings>().unwrap(), + AppSettings::AllowExternalSubcommands + ); + assert_eq!( + "allowinvalidutf8forexternalsubcommands" + .parse::<AppSettings>() + .unwrap(), + AppSettings::AllowInvalidUtf8ForExternalSubcommands + ); + assert_eq!( + "allowhyphenvalues".parse::<AppSettings>().unwrap(), + AppSettings::AllowHyphenValues + ); + assert_eq!( + "allownegativenumbers".parse::<AppSettings>().unwrap(), + AppSettings::AllowNegativeNumbers + ); + assert_eq!( + "disablehelpsubcommand".parse::<AppSettings>().unwrap(), + AppSettings::DisableHelpSubcommand + ); + assert_eq!( + "disableversionflag".parse::<AppSettings>().unwrap(), + AppSettings::DisableVersionFlag + ); + assert_eq!( + "dontcollapseargsinusage".parse::<AppSettings>().unwrap(), + AppSettings::DontCollapseArgsInUsage + ); + assert_eq!( + "dontdelimittrailingvalues".parse::<AppSettings>().unwrap(), + AppSettings::DontDelimitTrailingValues + ); + assert_eq!( + "derivedisplayorder".parse::<AppSettings>().unwrap(), + AppSettings::DeriveDisplayOrder + ); + assert_eq!( + "disablecoloredhelp".parse::<AppSettings>().unwrap(), + AppSettings::DisableColoredHelp + ); + assert_eq!( + "propagateversion".parse::<AppSettings>().unwrap(), + AppSettings::PropagateVersion + ); + assert_eq!( + "hidden".parse::<AppSettings>().unwrap(), + AppSettings::Hidden + ); + assert_eq!( + "hidepossiblevalues".parse::<AppSettings>().unwrap(), + AppSettings::HidePossibleValues + ); + assert_eq!( + "helpexpected".parse::<AppSettings>().unwrap(), + AppSettings::HelpExpected + ); + assert_eq!( + "nobinaryname".parse::<AppSettings>().unwrap(), + AppSettings::NoBinaryName + ); + assert_eq!( + "nextlinehelp".parse::<AppSettings>().unwrap(), + AppSettings::NextLineHelp + ); + assert_eq!( + "subcommandsnegatereqs".parse::<AppSettings>().unwrap(), + AppSettings::SubcommandsNegateReqs + ); + assert_eq!( + "subcommandrequired".parse::<AppSettings>().unwrap(), + AppSettings::SubcommandRequired + ); + assert_eq!( + "subcommandrequiredelsehelp".parse::<AppSettings>().unwrap(), + AppSettings::SubcommandRequiredElseHelp + ); + assert_eq!( + "uselongformatforhelpsubcommand" + .parse::<AppSettings>() + .unwrap(), + AppSettings::UseLongFormatForHelpSubcommand + ); + assert_eq!( + "trailingvararg".parse::<AppSettings>().unwrap(), + AppSettings::TrailingVarArg + ); + assert_eq!( + "waitonerror".parse::<AppSettings>().unwrap(), + AppSettings::WaitOnError + ); + assert_eq!("built".parse::<AppSettings>().unwrap(), AppSettings::Built); + assert_eq!( + "binnamebuilt".parse::<AppSettings>().unwrap(), + AppSettings::BinNameBuilt + ); + assert_eq!( + "infersubcommands".parse::<AppSettings>().unwrap(), + AppSettings::InferSubcommands + ); + assert!("hahahaha".parse::<AppSettings>().is_err()); + } +} |