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use super::{GetWithDefault, LogLevel}; use log::{Level, LevelFilter}; use std::fmt; /// This struct provides the `--log` and `-L` cli option /// /// By default, the log level is set to info. /// /// ```rust /// extern crate structopt_flags; /// #[macro_use] /// extern crate structopt; /// /// use structopt::StructOpt; /// use structopt_flags::LogLevel; // to access get_log_level /// /// #[derive(Debug, StructOpt)] /// #[structopt(name = "log_level_opt", about = "An example using the LogLevelOpt option")] /// struct Opt { /// #[structopt(flatten)] /// log_level: structopt_flags::LogLevelOpt, /// } /// /// fn main() { /// let opt = Opt::from_args(); /// let filter_level = opt.log_level.get_level_filter(); /// // set log level /// } /// ``` #[derive(StructOpt, Debug, Clone)] pub struct LogLevelOpt { /// Set the log level to run under /// Possible values are: off, error, warn, info, debug, trace #[structopt( name = "loglevel", long = "log-level", short = "L", default_value = "info", raw(global = "true"), )] log_level: LevelFilter, } impl LogLevel for LogLevelOpt { fn get_level_filter(&self) -> LevelFilter { self.log_level } fn get_log_level(&self) -> Option<Level> { self.get_level_filter().to_level() } } impl fmt::Display for LogLevelOpt { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{}", self.log_level) } } /// This struct provides the `--log` and `-l` cli option /// /// By default, the log level is set to info. /// /// ```rust /// extern crate structopt_flags; /// #[macro_use] /// extern crate structopt; /// /// use structopt::StructOpt; /// use structopt_flags::LogLevel; // to access get_log_level /// /// #[derive(Debug, StructOpt)] /// #[structopt(name = "log_level_opt_lower", about = "An example using the LogLevelOptLower option")] /// struct Opt { /// #[structopt(flatten)] /// log_level: structopt_flags::LogLevelOptLower, /// } /// /// fn main() { /// let opt = Opt::from_args(); /// let filter_level = opt.log_level.get_level_filter(); /// // set log level /// } /// ``` #[derive(StructOpt, Debug, Clone)] pub struct LogLevelOptLower { /// Set the log level to run under /// Possible values are: off, error, warn, info, debug, trace #[structopt( name = "loglevellower", long = "log-level", short = "l", default_value = "info", raw(global = "true"), conflicts_with = "loglevel" )] log_level: LevelFilter, } impl LogLevel for LogLevelOptLower { fn get_level_filter(&self) -> LevelFilter { self.log_level } fn get_log_level(&self) -> Option<Level> { self.get_level_filter().to_level() } } impl fmt::Display for LogLevelOptLower { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{}", self.log_level) } } /// This struct provides the `--log` and `-L` cli option, with no default /// /// No default value is provided /// /// ```rust /// extern crate log; /// extern crate structopt_flags; /// #[macro_use] /// extern crate structopt; /// /// use log::LevelFilter; /// use structopt::StructOpt; /// use structopt_flags::GetWithDefault; // to access get_log_level /// /// #[derive(Debug, StructOpt)] /// #[structopt(name = "log_level_no_def", about = "An example using the LogLevelNoDef option")] /// struct Opt { /// #[structopt(flatten)] /// log_level: structopt_flags::LogLevelNoDef, /// } /// /// fn main() { /// let opt = Opt::from_args(); /// let filter_level = opt.log_level.get_with_default(LevelFilter::Warn); /// // set log level /// } /// ``` #[derive(StructOpt, Debug, Clone)] pub struct LogLevelNoDef { /// Set the log level to run under /// Possible values are: off, error, warn, info, debug, trace #[structopt( name = "loglevel", long = "log-level", short = "L", raw(global = "true"), )] log_level: Option<LevelFilter>, } impl GetWithDefault for LogLevelNoDef { type Item = LevelFilter; fn get_with_default(&self, default: Self::Item) -> Self::Item { self.log_level.unwrap_or(default) } } impl fmt::Display for LogLevelNoDef { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match self.log_level { Some(x) => write!(f, "{}", x), None => write!(f, "None"), } } } /// This struct provides the `--log` and `-l` cli option, with no default /// /// No default value is provided /// /// ```rust /// extern crate log; /// extern crate structopt_flags; /// #[macro_use] /// extern crate structopt; /// /// use log::LevelFilter; /// use structopt::StructOpt; /// use structopt_flags::GetWithDefault; // to access get_log_level /// /// #[derive(Debug, StructOpt)] /// #[structopt(name = "log_level_no_def_lower", about = "An example using the LogLevelNoDefLower option")] /// struct Opt { /// #[structopt(flatten)] /// log_level: structopt_flags::LogLevelNoDefLower, /// } /// /// fn main() { /// let opt = Opt::from_args(); /// let filter_level = opt.log_level.get_with_default(LevelFilter::Warn); /// // set log level /// } /// ``` #[derive(StructOpt, Debug, Clone)] pub struct LogLevelNoDefLower { /// Set the log level to run under /// Possible values are: off, error, warn, info, debug, trace #[structopt( name = "loglevel", long = "log-level", short = "l", raw(global = "true"), )] log_level: Option<LevelFilter>, } impl GetWithDefault for LogLevelNoDefLower { type Item = LevelFilter; fn get_with_default(&self, default: Self::Item) -> Self::Item { self.log_level.unwrap_or(default) } } impl fmt::Display for LogLevelNoDefLower { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match self.log_level { Some(x) => write!(f, "{}", x), None => write!(f, "None"), } } }