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Use bytes! and cfg! to improve readability a bit

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This commit is contained in:
Jordi Boggiano
2013-08-05 03:13:42 +02:00
parent ec5147e990
commit b805ed4961
1 changed files with 9 additions and 11 deletions
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cat/cat.rs
+9 -11
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@@ -84,17 +84,15 @@ pub enum NumberingMode {
NumberAll,
}
static TAB: u8 = '\t' as u8;
static CR: u8 = '\r' as u8;
static LF: u8 = '\n' as u8;
static TAB: u8 = bytes!("\t");
static CR: u8 = bytes!("\r");
static LF: u8 = bytes!("\n");
#[cfg(windows)]
fn is_newline_char(byte: u8) -> bool {
byte == LF || byte == CR
}
if cfg!("windows") {
return byte == LF || byte == CR
}
#[cfg(unix)]
fn is_newline_char(byte: u8) -> bool {
byte == LF
}
@@ -124,13 +122,13 @@ pub fn exec(files: ~[~str], number: NumberingMode, show_nonprint: bool, show_end
at_line_start = true;
}
if show_tabs && *byte == TAB {
writer.write(['^' as u8, 'I' as u8]);
writer.write(bytes!("^I"));
} else if show_ends && *byte == LF {
writer.write(['$' as u8, LF]);
writer.write(bytes!("$\n"));
} else if show_nonprint && (*byte < 32 || *byte >= 127) && !is_newline_char(*byte) {
let mut byte = *byte;
if byte >= 128 {
writer.write(['M' as u8, '-' as u8]);
writer.write(bytes!("M-"));
byte = byte - 128;
}
if byte < 32 {