src/tools/rustfmt/src/emitter/stdout.rs

   1 use super::*;
   2 use crate::config::Verbosity;
   3 use std::io::Write;
   4
   5 #[derive(Debug)]
   6 pub(crate) struct StdoutEmitter {
   7     verbosity: Verbosity,
   8 }
   9
  10 impl StdoutEmitter {
  11     pub(crate) fn new(verbosity: Verbosity) -> Self {
  12         Self { verbosity }
  13     }
  14 }
  15
  16 impl Emitter for StdoutEmitter {
  17     fn emit_formatted_file(
  18         &mut self,
  19         output: &mut dyn Write,
  20         FormattedFile {
  21             filename,
  22             formatted_text,
  23             ..
  24         }: FormattedFile<'_>,
  25     ) -> Result<EmitterResult, io::Error> {
  26         if self.verbosity != Verbosity::Quiet {
  27             writeln!(output, "{}:\n", filename)?;
  28         }
  29         write!(output, "{}", formatted_text)?;
  30         Ok(EmitterResult::default())
  31     }
  32 }