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-rw-r--r--vendor/weezl/bin/lzw.rs159
1 files changed, 0 insertions, 159 deletions
diff --git a/vendor/weezl/bin/lzw.rs b/vendor/weezl/bin/lzw.rs
deleted file mode 100644
index cb55dce..0000000
--- a/vendor/weezl/bin/lzw.rs
+++ /dev/null
@@ -1,159 +0,0 @@
-#![forbid(unsafe_code)]
-use std::path::PathBuf;
-use std::{env, ffi, fs, io, process};
-
-extern crate weezl;
-use weezl::{decode as delzw, encode as enlzw, BitOrder};
-
-fn main() {
- let args = env::args_os().skip(1);
- let flags = Flags::from_args(args).unwrap_or_else(|ParamError| explain());
-
- let out = io::stdout();
- let out = out.lock();
-
- let mut files = flags.files;
- let input = files.pop().unwrap_or_else(explain);
- if !files.is_empty() {
- return explain();
- }
- let operation = flags.operation.unwrap_or_else(explain);
- let min_code = if flags.min_code < 2 || flags.min_code > 12 {
- return explain();
- } else {
- flags.min_code
- };
- let bit_order = flags.bit_order;
-
- let result = match (input, operation) {
- (Input::File(file), Operation::Encode) => (|| {
- let data = fs::File::open(file)?;
- let file = io::BufReader::with_capacity(1 << 26, data);
-
- let mut encoder = enlzw::Encoder::new(bit_order, min_code);
- encoder.into_stream(out).encode_all(file).status
- })(),
- (Input::Stdin, Operation::Encode) => {
- let input = io::BufReader::with_capacity(1 << 26, io::stdin());
- let mut encoder = enlzw::Encoder::new(bit_order, min_code);
- encoder.into_stream(out).encode_all(input).status
- }
- (Input::File(file), Operation::Decode) => (|| {
- let data = fs::File::open(file)?;
- let file = io::BufReader::with_capacity(1 << 26, data);
-
- let mut decoder = delzw::Decoder::new(bit_order, min_code);
- decoder.into_stream(out).decode_all(file).status
- })(),
- (Input::Stdin, Operation::Decode) => {
- let input = io::BufReader::with_capacity(1 << 26, io::stdin());
- let mut decoder = delzw::Decoder::new(bit_order, min_code);
- decoder.into_stream(out).decode_all(input).status
- }
- };
-
- result.expect("Operation Failed: ");
-}
-
-struct Flags {
- files: Vec<Input>,
- operation: Option<Operation>,
- min_code: u8,
- bit_order: BitOrder,
-}
-
-struct ParamError;
-
-enum Input {
- File(PathBuf),
- Stdin,
-}
-
-enum Operation {
- Encode,
- Decode,
-}
-
-fn explain<T>() -> T {
- println!(
- "Usage: lzw [-e|-d] <file>\n\
- Arguments:\n\
- -e\t operation encode (default)\n\
- -d\t operation decode\n\
- <file>\tfilepath or '-' for stdin"
- );
- process::exit(1);
-}
-
-impl Default for Flags {
- fn default() -> Flags {
- Flags {
- files: vec![],
- operation: None,
- min_code: 8,
- bit_order: BitOrder::Msb,
- }
- }
-}
-
-impl Flags {
- fn from_args(mut args: impl Iterator<Item = ffi::OsString>) -> Result<Self, ParamError> {
- let mut flags = Flags::default();
- let mut operation = None;
- loop {
- match args.next().as_ref().and_then(|s| s.to_str()) {
- Some("-d") | Some("--decode") => {
- if operation.is_some() {
- return Err(ParamError);
- }
- operation = Some(Operation::Decode);
- }
- Some("-e") | Some("--encode") => {
- if operation.is_some() {
- return Err(ParamError);
- }
- operation = Some(Operation::Encode);
- }
- Some("-w") | Some("--word-bits") => match args.next() {
- None => return Err(ParamError),
- Some(bits) => {
- let st = bits.to_str().ok_or(ParamError)?;
- flags.min_code = st.parse().ok().ok_or(ParamError)?;
- }
- },
- Some("-le") | Some("--little-endian") => {
- flags.bit_order = BitOrder::Lsb;
- }
- Some("-be") | Some("--big-endian") | Some("-ne") | Some("--network-endian") => {
- flags.bit_order = BitOrder::Msb;
- }
- Some("-") => {
- flags.files.push(Input::Stdin);
- }
- Some(other) if other.starts_with('-') => {
- // Reserved for future use.
- // -a: self-describing archive format, similar to actual compress
- // -b: maximum bits
- // -v: verbosity
- // some compress compatibility mode? Probably through arg(0) though.
- return Err(ParamError);
- }
- Some(file) => {
- flags.files.push(Input::File(file.into()));
- }
- None => break,
- };
- }
-
- flags.files.extend(args.map(|file| {
- if let Some("-") = file.to_str() {
- Input::Stdin
- } else {
- Input::File(file.into())
- }
- }));
-
- flags.operation = operation;
- Ok(flags)
- }
-}