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#![cfg_attr(feature = "nightly", deny(missing_docs))]
#![cfg_attr(feature = "nightly", feature(external_doc))]
#![cfg_attr(feature = "nightly", doc(include = "../README.md"))]
#![cfg_attr(test, deny(warnings))]
extern crate env_logger;
extern crate failure;
extern crate log;
extern crate pretty_env_logger;
#[macro_use]
extern crate structopt;
use env_logger::Builder as LoggerBuilder;
use failure::Error;
use log::Level;
use pretty_env_logger::formatted_builder;
#[derive(StructOpt, Debug)]
pub struct Log {
#[structopt(short = "P", long = "pretty")]
pretty: bool,
}
impl Log {
pub fn log(
&self,
level: Option<Level>,
own_pkg_name: &str,
) -> Result<(), Error> {
let level_filter = match level {
Some(level) => level.to_level_filter(),
None => return Ok(()),
};
init_builder(self.pretty)?
.filter(Some(&own_pkg_name.replace("-", "_")), level_filter)
.filter(None, Level::Warn.to_level_filter())
.try_init()?;
Ok(())
}
pub fn log_all(&self, level: Option<Level>) -> Result<(), Error> {
let level_filter = match level {
Some(level) => level.to_level_filter(),
None => return Ok(()),
};
init_builder(self.pretty)?
.filter(None, level_filter)
.try_init()?;
Ok(())
}
}
fn init_builder(pretty: bool) -> Result<LoggerBuilder, Error> {
if pretty {
Ok(formatted_builder()?)
} else {
Ok(LoggerBuilder::new())
}
}