scribe/examples/logger.rs

use scribe::{debug, info, warn};
use scribe::{Levels, Logger, Record};



#[cfg(not(feature="use_std"))]
const CORE_LOGGER: TestLogger = TestLogger {};



pub struct TestLogger
{
}

impl TestLogger
{
   pub fn start()
   {
      match scribe::set_logger(TestLogger::set_logger)
      {
         Ok(_) =>
         {
            println!("Logger sucessfully set.");
         }

         Err(error) =>
         {
            println!("ERROR:  {}", error);
         }
      }
   }

   pub fn stop()
   {
      match scribe::clear_logger()
      {
         Ok(_) =>
         {
            println!("Logger cleared.");
         }

         Err(error) =>
         {
            println!("ERROR:  {}", error);
         }
      }
   }

   #[cfg(feature="use_std")]
   fn set_logger() -> Box<dyn Logger>
   {
      let logger: TestLogger;

      logger =
         TestLogger
         {
         };

      Box::new(logger)
   }

   #[cfg(not(feature="use_std"))]
   fn set_logger() -> *const dyn Logger
   {
      &CORE_LOGGER
   }
}

impl Logger for TestLogger
{
   fn is_domain_enabled(&self, domain_name: &'static str) -> bool
   {
      println!("Domain '{}': {}", domain_name, true);
      true
   }

   fn is_level_enabled(&self, lvl: Levels) -> bool
   {
      println!("Level '{}': {}", lvl, true);
      true
   }

   fn log(&self, record: &Record)
   {
      println!("Record: {}", record);
   }
}


mod temp_mod
{
   use scribe::info;

   pub fn print()
   {
      info!("Mod test.");
   }
}

pub fn main()
{
   TestLogger::start();

   temp_mod::print();

   debug!("This seemed to work alright.");
   debug!(domain: "Temp Domain", "This seemed to work alright.");

   info!("Jason is awesome.");
   info!(domain: "Temp Domain", "Jason is awesome.");

   warn!("Danger Will Robinson, danger!");
   warn!(domain: "Temp Domain", "Danger Will Robinson, danger!");

   //error!("There was an error!");
   //error!(domain: "Temp Domain", "There was an error!");


   TestLogger::stop();
}