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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /third_party/rust/shift_or_euc/examples | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/shift_or_euc/examples')
-rw-r--r-- | third_party/rust/shift_or_euc/examples/detect.rs | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/third_party/rust/shift_or_euc/examples/detect.rs b/third_party/rust/shift_or_euc/examples/detect.rs new file mode 100644 index 0000000000..9ab21a3561 --- /dev/null +++ b/third_party/rust/shift_or_euc/examples/detect.rs @@ -0,0 +1,56 @@ +// Copyright 2018 Mozilla Foundation. See the COPYRIGHT +// file at the top-level directory of this distribution. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +use std::fs::File; +use std::io::Read; + +use shift_or_euc::Detector; + +fn main() { + let mut args = std::env::args_os(); + if args.next().is_none() { + eprintln!("Error: Program name missing from arguments."); + std::process::exit(-1); + } + if let Some(path) = args.next() { + if args.next().is_some() { + eprintln!("Error: Too many arguments."); + std::process::exit(-3); + } + if let Ok(mut file) = File::open(path) { + let mut buffer = [0u8; 4096]; + let mut detector = Detector::new(true); + loop { + if let Ok(num_read) = file.read(&mut buffer[..]) { + let opt_enc = if num_read == 0 { + detector.feed(b"", true) + } else { + detector.feed(&buffer[..num_read], false) + }; + if let Some(encoding) = opt_enc { + println!("{}", encoding.name()); + return; + } else if num_read == 0 { + println!("Undecided"); + return; + } + } else { + eprintln!("Error: Error reading file."); + std::process::exit(-5); + } + } + } else { + eprintln!("Error: Could not open file."); + std::process::exit(-4); + } + } else { + eprintln!("Error: One path argument needed."); + std::process::exit(-2); + } +} |