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update coding style and add basename to makefile

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This commit is contained in:
Jimmy Lu 2013-12-04 10:41:32 -05:00
parent 8ef06144a1
commit 15465e21ec
2 changed files with 23 additions and 33 deletions
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1
Makefile
View file

@ -17,6 +17,7 @@ EXES := \
wc \
whoami \
yes \
basename \
TESTS := \

55
basename/basename.rs
View file

@ -20,10 +20,9 @@ use extra::getopts::groups;
static VERSION: &'static str = "1.0.0";
fn main() {
let args = os::args();
let program = strip_dir( &args[ 0 ].clone() );
let program = strip_dir(&args[ 0 ].clone());
//
// Argument parsing
@ -38,42 +37,38 @@ fn main() {
Ok(m) => m,
Err(f) => {
let stderr = stderr();
stderr.write_str( program + ": " + f.to_err_msg() + "\n" );
stderr.write_str(program + ": " + f.to_err_msg() + "\n");
os::set_exit_status(1);
return;
}
};
if matches.opt_present( "help" ) {
if matches.opt_present("help") {
println!("Usage: {0:s} NAME [SUFFIX]", program);
println!(" or: {0:s} OPTION", program);
println("Print NAME with any leading directory components removed.");
println("If specified, also remove a trailing SUFFIX.");
println!( "Usage: {0:s} NAME [SUFFIX]", program );
println!( " or: {0:s} OPTION", program );
println( "Print NAME with any leading directory components removed." );
println( "If specified, also remove a trailing SUFFIX." );
print( groups::usage( "", opts ) );
print(groups::usage("", opts));
return;
}
if matches.opt_present( "version" ) {
println( program + " " + VERSION );
if matches.opt_present("version") {
println(program + " " + VERSION);
return;
}
// too few arguments
if args.len() < 2 {
println( program + ": missing operand" );
println( "Try `" + program + " --help' for more information." );
println(program + ": missing operand");
println("Try `" + program + " --help' for more information.");
return;
}
// too many arguments
else if args.len() > 3 {
println( program + ": extra operand `" + args[ 3 ] + "'" );
println( "Try `" + program + " --help' for more information." );
println(program + ": extra operand `" + args[ 3 ] + "'");
println("Try `" + program + " --help' for more information.");
return;
}
@ -83,43 +78,37 @@ fn main() {
let fullname = args[ 1 ].clone();
let mut name = strip_dir( &fullname );
let mut name = strip_dir(&fullname);
if args.len() > 2 {
let suffix = args[ 2 ].clone();
name = strip_suffix( &name, &suffix );
name = strip_suffix(&name, &suffix);
}
println( name );
println(name);
}
fn strip_dir( fullname :&~str ) -> ~str {
fn strip_dir(fullname :&~str) -> ~str {
let mut name = ~"";
for c in fullname.rev_iter() {
if c == '/' || c == '\\' {
return name;
}
name = str::from_char( c ) + name;
name = str::from_char(c) + name;
}
return fullname.clone();
}
fn strip_suffix( name: &~str, suffix: &~str ) -> ~str {
fn strip_suffix(name: &~str, suffix: &~str) -> ~str {
if name == suffix {
return name.clone();
}
if name.ends_with( *suffix ) {
return name.slice_to( name.len() - suffix.len() ).into_owned();
if name.ends_with(*suffix) {
return name.slice_to(name.len() - suffix.len()).into_owned();
}
return name.clone();