diff options
Diffstat (limited to 'clap/src/args/settings.rs')
| -rw-r--r-- | clap/src/args/settings.rs | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/clap/src/args/settings.rs b/clap/src/args/settings.rs deleted file mode 100644 index 7b0e0a2..0000000 --- a/clap/src/args/settings.rs +++ /dev/null @@ -1,231 +0,0 @@ -// Std -#[allow(deprecated, unused_imports)] -use std::ascii::AsciiExt; -use std::str::FromStr; - -bitflags! { - struct Flags: u32 { - const REQUIRED = 1; - const MULTIPLE = 1 << 1; - const EMPTY_VALS = 1 << 2; - const GLOBAL = 1 << 3; - const HIDDEN = 1 << 4; - const TAKES_VAL = 1 << 5; - const USE_DELIM = 1 << 6; - const NEXT_LINE_HELP = 1 << 7; - const R_UNLESS_ALL = 1 << 8; - const REQ_DELIM = 1 << 9; - const DELIM_NOT_SET = 1 << 10; - const HIDE_POS_VALS = 1 << 11; - const ALLOW_TAC_VALS = 1 << 12; - const REQUIRE_EQUALS = 1 << 13; - const LAST = 1 << 14; - const HIDE_DEFAULT_VAL = 1 << 15; - const CASE_INSENSITIVE = 1 << 16; - const HIDE_ENV_VALS = 1 << 17; - const HIDDEN_SHORT_H = 1 << 18; - const HIDDEN_LONG_H = 1 << 19; - } -} - -#[doc(hidden)] -#[derive(Debug, Clone, Copy)] -pub struct ArgFlags(Flags); - -impl ArgFlags { - pub fn new() -> Self { ArgFlags::default() } - - impl_settings!{ArgSettings, - Required => Flags::REQUIRED, - Multiple => Flags::MULTIPLE, - EmptyValues => Flags::EMPTY_VALS, - Global => Flags::GLOBAL, - Hidden => Flags::HIDDEN, - TakesValue => Flags::TAKES_VAL, - UseValueDelimiter => Flags::USE_DELIM, - NextLineHelp => Flags::NEXT_LINE_HELP, - RequiredUnlessAll => Flags::R_UNLESS_ALL, - RequireDelimiter => Flags::REQ_DELIM, - ValueDelimiterNotSet => Flags::DELIM_NOT_SET, - HidePossibleValues => Flags::HIDE_POS_VALS, - AllowLeadingHyphen => Flags::ALLOW_TAC_VALS, - RequireEquals => Flags::REQUIRE_EQUALS, - Last => Flags::LAST, - CaseInsensitive => Flags::CASE_INSENSITIVE, - HideEnvValues => Flags::HIDE_ENV_VALS, - HideDefaultValue => Flags::HIDE_DEFAULT_VAL, - HiddenShortHelp => Flags::HIDDEN_SHORT_H, - HiddenLongHelp => Flags::HIDDEN_LONG_H - } -} - -impl Default for ArgFlags { - fn default() -> Self { ArgFlags(Flags::EMPTY_VALS | Flags::DELIM_NOT_SET) } -} - -/// Various settings that apply to arguments and may be set, unset, and checked via getter/setter -/// methods [`Arg::set`], [`Arg::unset`], and [`Arg::is_set`] -/// -/// [`Arg::set`]: ./struct.Arg.html#method.set -/// [`Arg::unset`]: ./struct.Arg.html#method.unset -/// [`Arg::is_set`]: ./struct.Arg.html#method.is_set -#[derive(Debug, PartialEq, Copy, Clone)] -pub enum ArgSettings { - /// The argument must be used - Required, - /// The argument may be used multiple times such as `--flag --flag` - Multiple, - /// The argument allows empty values such as `--option ""` - EmptyValues, - /// The argument should be propagated down through all child [`SubCommand`]s - /// - /// [`SubCommand`]: ./struct.SubCommand.html - Global, - /// The argument should **not** be shown in help text - Hidden, - /// The argument accepts a value, such as `--option <value>` - TakesValue, - /// Determines if the argument allows values to be grouped via a delimiter - UseValueDelimiter, - /// Prints the help text on the line after the argument - NextLineHelp, - /// Requires the use of a value delimiter for all multiple values - RequireDelimiter, - /// Hides the possible values from the help string - HidePossibleValues, - /// Allows vals that start with a '-' - AllowLeadingHyphen, - /// Require options use `--option=val` syntax - RequireEquals, - /// Specifies that the arg is the last positional argument and may be accessed early via `--` - /// syntax - Last, - /// Hides the default value from the help string - HideDefaultValue, - /// Makes `Arg::possible_values` case insensitive - CaseInsensitive, - /// Hides ENV values in the help message - HideEnvValues, - /// The argument should **not** be shown in short help text - HiddenShortHelp, - /// The argument should **not** be shown in long help text - HiddenLongHelp, - #[doc(hidden)] RequiredUnlessAll, - #[doc(hidden)] ValueDelimiterNotSet, -} - -impl FromStr for ArgSettings { - type Err = String; - fn from_str(s: &str) -> Result<Self, <Self as FromStr>::Err> { - match &*s.to_ascii_lowercase() { - "required" => Ok(ArgSettings::Required), - "multiple" => Ok(ArgSettings::Multiple), - "global" => Ok(ArgSettings::Global), - "emptyvalues" => Ok(ArgSettings::EmptyValues), - "hidden" => Ok(ArgSettings::Hidden), - "takesvalue" => Ok(ArgSettings::TakesValue), - "usevaluedelimiter" => Ok(ArgSettings::UseValueDelimiter), - "nextlinehelp" => Ok(ArgSettings::NextLineHelp), - "requiredunlessall" => Ok(ArgSettings::RequiredUnlessAll), - "requiredelimiter" => Ok(ArgSettings::RequireDelimiter), - "valuedelimiternotset" => Ok(ArgSettings::ValueDelimiterNotSet), - "hidepossiblevalues" => Ok(ArgSettings::HidePossibleValues), - "allowleadinghyphen" => Ok(ArgSettings::AllowLeadingHyphen), - "requireequals" => Ok(ArgSettings::RequireEquals), - "last" => Ok(ArgSettings::Last), - "hidedefaultvalue" => Ok(ArgSettings::HideDefaultValue), - "caseinsensitive" => Ok(ArgSettings::CaseInsensitive), - "hideenvvalues" => Ok(ArgSettings::HideEnvValues), - "hiddenshorthelp" => Ok(ArgSettings::HiddenShortHelp), - "hiddenlonghelp" => Ok(ArgSettings::HiddenLongHelp), - _ => Err("unknown ArgSetting, cannot convert from str".to_owned()), - } - } -} - -#[cfg(test)] -mod test { - use super::ArgSettings; - - #[test] - fn arg_settings_fromstr() { - assert_eq!( - "allowleadinghyphen".parse::<ArgSettings>().unwrap(), - ArgSettings::AllowLeadingHyphen - ); - assert_eq!( - "emptyvalues".parse::<ArgSettings>().unwrap(), - ArgSettings::EmptyValues - ); - assert_eq!( - "global".parse::<ArgSettings>().unwrap(), - ArgSettings::Global - ); - assert_eq!( - "hidepossiblevalues".parse::<ArgSettings>().unwrap(), - ArgSettings::HidePossibleValues - ); - assert_eq!( - "hidden".parse::<ArgSettings>().unwrap(), - ArgSettings::Hidden - ); - assert_eq!( - "multiple".parse::<ArgSettings>().unwrap(), - ArgSettings::Multiple - ); - assert_eq!( - "nextlinehelp".parse::<ArgSettings>().unwrap(), - ArgSettings::NextLineHelp - ); - assert_eq!( - "requiredunlessall".parse::<ArgSettings>().unwrap(), - ArgSettings::RequiredUnlessAll - ); - assert_eq!( - "requiredelimiter".parse::<ArgSettings>().unwrap(), - ArgSettings::RequireDelimiter - ); - assert_eq!( - "required".parse::<ArgSettings>().unwrap(), - ArgSettings::Required - ); - assert_eq!( - "takesvalue".parse::<ArgSettings>().unwrap(), - ArgSettings::TakesValue - ); - assert_eq!( - "usevaluedelimiter".parse::<ArgSettings>().unwrap(), - ArgSettings::UseValueDelimiter - ); - assert_eq!( - "valuedelimiternotset".parse::<ArgSettings>().unwrap(), - ArgSettings::ValueDelimiterNotSet - ); - assert_eq!( - "requireequals".parse::<ArgSettings>().unwrap(), - ArgSettings::RequireEquals - ); - assert_eq!("last".parse::<ArgSettings>().unwrap(), ArgSettings::Last); - assert_eq!( - "hidedefaultvalue".parse::<ArgSettings>().unwrap(), - ArgSettings::HideDefaultValue - ); - assert_eq!( - "caseinsensitive".parse::<ArgSettings>().unwrap(), - ArgSettings::CaseInsensitive - ); - assert_eq!( - "hideenvvalues".parse::<ArgSettings>().unwrap(), - ArgSettings::HideEnvValues - ); - assert_eq!( - "hiddenshorthelp".parse::<ArgSettings>().unwrap(), - ArgSettings::HiddenShortHelp - ); - assert_eq!( - "hiddenlonghelp".parse::<ArgSettings>().unwrap(), - ArgSettings::HiddenLongHelp - ); - assert!("hahahaha".parse::<ArgSettings>().is_err()); - } -} |