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https://github.com/RGBCube/uutils-coreutils
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od: whitespace fix (4-space indents, 99-column)
This commit is contained in:
Keunwoo Lee
parent
2d8e7f6dec
commit
a6e5deaa16
1 changed files with 91 additions and 81 deletions
172
src/od/od.rs
172
src/od/od.rs
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@ -19,100 +19,110 @@ use std::io::File;
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enum Radix { Decimal, Hexadecimal, Octal, Binary }
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pub fn uumain(args: Vec<String>) -> isize {
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let opts = [
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getopts::optopt("A", "address-radix", "Select the base in which file offsets are printed.", "RADIX"),
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getopts::optopt("j", "skip-bytes", "Skip bytes input bytes before formatting and writing.", "BYTES"),
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getopts::optopt("N", "read-bytes", "limit dump to BYTES input bytes", "BYTES"),
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getopts::optopt("S", "strings", "output strings of at least BYTES graphic chars. 3 is assumed when BYTES is not specified.", "BYTES"),
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getopts::optopt("t", "format", "select output format or formats", "TYPE"),
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getopts::optflag("v", "output-duplicates", "do not use * to mark line suppression"),
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getopts::optopt("w", "width", "output BYTES bytes per output line. 32 is implied when BYTES is not specified.", "BYTES"),
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getopts::optflag("h", "help", "display this help and exit."),
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getopts::optflag("v", "version", "output version information and exit."),
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];
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let opts = [
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getopts::optopt("A", "address-radix",
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"Select the base in which file offsets are printed.", "RADIX"),
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getopts::optopt("j", "skip-bytes",
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"Skip bytes input bytes before formatting and writing.", "BYTES"),
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getopts::optopt("N", "read-bytes",
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"limit dump to BYTES input bytes", "BYTES"),
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getopts::optopt("S", "strings",
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("output strings of at least BYTES graphic chars. 3 is assumed when \
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BYTES is not specified."),
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"BYTES"),
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getopts::optopt("t", "format", "select output format or formats", "TYPE"),
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getopts::optflag("v", "output-duplicates", "do not use * to mark line suppression"),
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getopts::optopt("w", "width",
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("output BYTES bytes per output line. 32 is implied when BYTES is not \
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specified."),
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"BYTES"),
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getopts::optflag("h", "help", "display this help and exit."),
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getopts::optflag("v", "version", "output version information and exit."),
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];
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let matches = match getopts::getopts(args.tail(), &opts) {
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Ok(m) => m,
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Err(f) => panic!("Invalid options\n{}", f)
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};
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let matches = match getopts::getopts(args.tail(), &opts) {
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Ok(m) => m,
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Err(f) => panic!("Invalid options\n{}", f)
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};
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let mut rad = Radix::Octal;
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if matches.opt_present("A") {
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rad = parse_radix(matches.opt_str("A"));
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} else {
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println!("{}", getopts::usage("od", &opts));
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}
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let mut rad = Radix::Octal;
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if matches.opt_present("A") {
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rad = parse_radix(matches.opt_str("A"));
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} else {
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println!("{}", getopts::usage("od", &opts));
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}
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let mut fname;
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match args.last() {
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Some(n) => fname = n,
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None => { panic!("Need fname for now") ; }
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};
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let mut fname;
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match args.last() {
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Some(n) => fname = n,
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None => { panic!("Need fname for now") ; }
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};
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main(rad, fname.clone());
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main(rad, fname.clone());
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0
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0
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}
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fn main(radix: Radix, fname: String) {
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let mut f = match File::open(&Path::new(fname)) {
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Ok(f) => f,
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Err(e) => panic!("file error: {}", e)
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};
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let mut f = match File::open(&Path::new(fname)) {
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Ok(f) => f,
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Err(e) => panic!("file error: {}", e)
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};
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let mut addr = 0;
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let bytes = &mut [b'\x00'; 16];
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loop {
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match f.read(bytes) {
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Ok(n) => {
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print!("{:07o}", addr);
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match radix {
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Radix::Decimal => {
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},
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Radix::Octal => {
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for b in range(0, n/std::u16::BYTES) {
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let bs = bytes.slice(2*b, 2*b+2);
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let p: u16 = (bs[1] as u16) << 8 | bs[0] as u16;
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print!(" {:06o}", p);
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}
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if n % std::u16::BYTES == 1 {
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print!(" {:06o}", bytes[n-1]);
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}
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}
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_ => { }
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};
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print!("\n");
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addr += n;
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},
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Err(_) => { println!("{:07o}", addr); break; }
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};
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};
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let mut addr = 0;
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let bytes = &mut [b'\x00'; 16];
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loop {
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match f.read(bytes) {
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Ok(n) => {
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print!("{:07o}", addr);
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match radix {
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Radix::Decimal => {
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},
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Radix::Octal => {
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for b in range(0, n/std::u16::BYTES) {
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let bs = bytes.slice(2*b, 2*b+2);
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let p: u16 = (bs[1] as u16) << 8 | bs[0] as u16;
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print!(" {:06o}", p);
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}
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if n % std::u16::BYTES == 1 {
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print!(" {:06o}", bytes[n-1]);
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}
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}
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_ => { }
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};
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print!("\n");
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addr += n;
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},
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Err(_) => { println!("{:07o}", addr); break; }
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};
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};
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}
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fn parse_radix(radix_str: Option<String>) -> Radix {
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let rad = match radix_str {
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Some(s) => {
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let st = s.into_bytes();
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if st.len() != 1 {
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panic!("Radix must be one of [d, o, b, x]\n");
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}
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let rad = match radix_str {
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Some(s) => {
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let st = s.into_bytes();
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if st.len() != 1 {
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panic!("Radix must be one of [d, o, b, x]\n");
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}
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let radix: char = *(st.get(0).expect("byte string of length 1 lacks a 0th elem")) as char;
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if radix == 'd' {
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Radix::Decimal
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} else if radix == 'x' {
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Radix::Hexadecimal
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} else if radix == 'o' {
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Radix::Octal
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} else if radix == 'b' {
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Radix::Binary
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} else {
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panic!("Radix must be one of [d, o, b, x]\n");
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}
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},
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None => Radix::Octal
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};
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let radix: char = *(st.get(0)
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.expect("byte string of length 1 lacks a 0th elem")) as char;
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if radix == 'd' {
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Radix::Decimal
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} else if radix == 'x' {
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Radix::Hexadecimal
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} else if radix == 'o' {
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Radix::Octal
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} else if radix == 'b' {
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Radix::Binary
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} else {
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panic!("Radix must be one of [d, o, b, x]\n");
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}
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},
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None => Radix::Octal
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};
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rad
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rad
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}
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