diff options
Diffstat (limited to 'vendor/fwdansi')
| -rw-r--r-- | vendor/fwdansi/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | vendor/fwdansi/Cargo.lock | 419 | ||||
| -rw-r--r-- | vendor/fwdansi/Cargo.toml | 36 | ||||
| -rw-r--r-- | vendor/fwdansi/appveyor.yml | 20 | ||||
| -rw-r--r-- | vendor/fwdansi/examples/colors.rs | 22 | ||||
| -rw-r--r-- | vendor/fwdansi/examples/run-rustc.rs | 17 | ||||
| -rw-r--r-- | vendor/fwdansi/rustfmt.toml | 1 | ||||
| -rw-r--r-- | vendor/fwdansi/src/lib.rs | 234 | ||||
| -rw-r--r-- | vendor/fwdansi/tests/tests.proptest-regressions | 11 | ||||
| -rw-r--r-- | vendor/fwdansi/tests/tests.rs | 97 |
10 files changed, 858 insertions, 0 deletions
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(registry+https://github.com/rust-lang/crates.io-index)" = "96f5016b18804d24db43cebf3c77269e7569b8954a8464501c216cc5e070eaa9" diff --git a/vendor/fwdansi/Cargo.toml b/vendor/fwdansi/Cargo.toml new file mode 100644 index 0000000..c317662 --- /dev/null +++ b/vendor/fwdansi/Cargo.toml @@ -0,0 +1,36 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g., crates.io) dependencies +# +# If you believe there's an error in this file please file an +# issue against the rust-lang/cargo repository. If you're +# editing this file be aware that the upstream Cargo.toml +# will likely look very different (and much more reasonable) + +[package] +name = "fwdansi" +version = "1.1.0" +authors = ["kennytm <kennytm@gmail.com>"] +description = "Forwards a byte string with ANSI escape code to a termcolor terminal" +keywords = ["ansi", "windows", "console", "terminal", "color"] +categories = ["command-line-interface"] +license = "MIT" +repository = "https://github.com/kennytm/fwdansi" +[dependencies.memchr] +version = "2" + +[dependencies.termcolor] +version = "1" +[dev-dependencies.proptest] +version = "0.9" +[badges.appveyor] +repository = "kennytm/fwdansi" + +[badges.maintenance] +status = "passively-maintained" + +[badges.travis-ci] +repository = "kennytm/fwdansi" diff --git a/vendor/fwdansi/appveyor.yml b/vendor/fwdansi/appveyor.yml new file mode 100644 index 0000000..076021a --- /dev/null +++ b/vendor/fwdansi/appveyor.yml @@ -0,0 +1,20 @@ +environment: + matrix: + - TOOLCHAIN: 1.32.0 + - TOOLCHAIN: stable + - TOOLCHAIN: beta + - TOOLCHAIN: nightly + +install: + - appveyor DownloadFile https://win.rustup.rs/x86_64 -FileName rustup-init.exe + - rustup-init -y --default-toolchain %TOOLCHAIN% + - SET PATH=%PATH%;C:\Users\appveyor\.cargo\bin + - rustc -vV + - cargo -vV + +test_script: + - cargo build + - cargo test + - cargo run --example run-rustc + +build: false diff --git a/vendor/fwdansi/examples/colors.rs b/vendor/fwdansi/examples/colors.rs new file mode 100644 index 0000000..28ae65b --- /dev/null +++ b/vendor/fwdansi/examples/colors.rs @@ -0,0 +1,22 @@ +extern crate fwdansi; +extern crate termcolor; + +use fwdansi::write_ansi; +use std::io; +use termcolor::*; + +fn main() -> io::Result<()> { + let mut stdout = StandardStream::stdout(ColorChoice::Always); + + for fg in (30..=37).chain(90..=97) { + for bg in (40..=47).chain(100..=107) { + write_ansi( + &mut stdout, + format!("<\u{1b}[{fg};{bg}m{fg:2},{bg:3}\u{1b}[0m>", fg = fg, bg = bg).as_bytes(), + )?; + } + write_ansi(&mut stdout, b"\n")?; + } + + Ok(()) +} diff --git a/vendor/fwdansi/examples/run-rustc.rs b/vendor/fwdansi/examples/run-rustc.rs new file mode 100644 index 0000000..7951601 --- /dev/null +++ b/vendor/fwdansi/examples/run-rustc.rs @@ -0,0 +1,17 @@ +extern crate fwdansi; +extern crate termcolor; + +use fwdansi::write_ansi; +use std::io; +use std::process::Command; +use termcolor::*; + +fn main() -> io::Result<()> { + let output = Command::new("rustc").args(&["--color", "always"]).output()?; + + let mut stderr = StandardStream::stderr(ColorChoice::Always); + write_ansi(&mut stderr, &output.stderr)?; + //^ should print "error: no input filename given" with appropriate color everywhere. + + Ok(()) +} diff --git a/vendor/fwdansi/rustfmt.toml b/vendor/fwdansi/rustfmt.toml new file mode 100644 index 0000000..7530651 --- /dev/null +++ b/vendor/fwdansi/rustfmt.toml @@ -0,0 +1 @@ +max_width = 120 diff --git a/vendor/fwdansi/src/lib.rs b/vendor/fwdansi/src/lib.rs new file mode 100644 index 0000000..45638c9 --- /dev/null +++ b/vendor/fwdansi/src/lib.rs @@ -0,0 +1,234 @@ +//! Write colored strings with ANSI escape code into a `termcolor` terminal. +//! +//! This package provides a single function, [`write_ansi`], which parses ANSI +//! escape codes in the provided byte string and transforms them into the +//! corresponding `termcolor` commands. The colors will be supported even on a +//! Windows console. +//! +//! The main purpose of this package is to forward colored output from a child +//! process. +//! +//! ```rust +// #![doc(include = "../examples/rustc.rs")] // still unstable, see issue 44732 +//! extern crate termcolor; +//! extern crate fwdansi; +//! +//! use termcolor::*; +//! use std::io; +//! use std::process::Command; +//! use fwdansi::write_ansi; +//! +//! fn main() -> io::Result<()> { +//! let output = Command::new("rustc").args(&["--color", "always"]).output()?; +//! +//! let mut stderr = StandardStream::stderr(ColorChoice::Always); +//! write_ansi(&mut stderr, &output.stderr)?; +//! //^ should print "error: no input filename given" with appropriate color everywhere. +//! +//! Ok(()) +//! } +//! ``` + +extern crate memchr; +extern crate termcolor; + +use memchr::memchr; +use termcolor::{Color, ColorSpec, WriteColor}; + +use std::io; + +/// Writes a string with ANSI escape code into the colored output stream. +/// +/// Only SGR (`\x1b[…m`) is supported. Other input will be printed as-is. +pub fn write_ansi<W: WriteColor>(mut writer: W, mut ansi: &[u8]) -> io::Result<()> { + while let Some(index) = memchr(0x1b, ansi) { + let (left, right) = ansi.split_at(index); + writer.write_all(left)?; + if right.is_empty() { + return Ok(()); + } + + let mut parser = ColorSpecParser::new(right); + parser.parse(); + if parser.ansi.as_ptr() == right.as_ptr() { + writer.write_all(&right[..1])?; + ansi = &right[1..]; + } else { + if parser.reset { + writer.reset()?; + } else { + writer.set_color(&parser.spec)?; + } + ansi = parser.ansi; + } + } + writer.write_all(ansi) +} + +#[derive(Copy, Clone, PartialEq, Eq, Debug)] +enum State { + Normal, + PrepareCustomColor, + Ansi256, + Rgb, +} +#[derive(Debug)] +struct ColorSpecParser<'a> { + spec: ColorSpec, + ansi: &'a [u8], + reset: bool, + state: State, + is_bg: bool, + red: Option<u8>, + green: Option<u8>, +} +impl<'a> ColorSpecParser<'a> { + fn new(ansi: &'a [u8]) -> Self { + Self { + spec: ColorSpec::new(), + ansi, + reset: false, + state: State::Normal, + is_bg: false, + red: None, + green: None, + } + } + + fn parse(&mut self) { + #[derive(PartialEq, Eq, Debug)] + enum Expected { + Escape, + OpenBracket, + Number(u8), + } + + while !self.ansi.is_empty() { + let mut expected = Expected::Escape; + let mut it = self.ansi.iter(); + for b in &mut it { + match (*b, expected) { + (0x1b, Expected::Escape) => { + expected = Expected::OpenBracket; + continue; + } + (b'[', Expected::OpenBracket) => { + expected = Expected::Number(0); + continue; + } + (b'0'..=b'9', Expected::Number(number)) => { + if let Some(n) = number.checked_mul(10).and_then(|n| n.checked_add(b - b'0')) { + expected = Expected::Number(n); + continue; + } + } + (b':', Expected::Number(number)) + | (b';', Expected::Number(number)) + | (b'm', Expected::Number(number)) => { + self.apply_number(number); + if *b == b'm' { + expected = Expected::Escape; + break; + } else { + expected = Expected::Number(0); + continue; + } + } + _ => {} + } + return; + } + if let Expected::Escape = expected { + self.ansi = it.as_slice(); + } else { + break; + } + } + } + + fn set_color(&mut self, color: Color) { + if self.is_bg { + self.spec.set_bg(Some(color)); + } else { + self.spec.set_fg(Some(color)); + } + } + + fn apply_number(&mut self, number: u8) { + self.reset = false; + match (number, self.state) { + (0, State::Normal) => { + self.reset = true; + } + (1, State::Normal) => { + self.spec.set_bold(true); + } + (4, State::Normal) => { + self.spec.set_underline(true); + } + (21, State::Normal) => { + self.spec.set_bold(false); + } + (24, State::Normal) => { + self.spec.set_underline(false); + } + (38, State::Normal) | (48, State::Normal) => { + self.is_bg = number == 48; + self.state = State::PrepareCustomColor; + } + (30..=39, State::Normal) => { + self.spec.set_fg(parse_color(number - 30)); + } + (40..=49, State::Normal) => { + self.spec.set_bg(parse_color(number - 40)); + } + (90..=97, State::Normal) => { + self.spec.set_intense(true).set_fg(parse_color(number - 90)); + } + (100..=107, State::Normal) => { + self.spec.set_intense(true).set_bg(parse_color(number - 100)); + } + (5, State::PrepareCustomColor) => { + self.state = State::Ansi256; + } + (2, State::PrepareCustomColor) => { + self.state = State::Rgb; + self.red = None; + self.green = None; + } + (n, State::Ansi256) => { + self.set_color(Color::Ansi256(n)); + self.state = State::Normal; + } + (b, State::Rgb) => match (self.red, self.green) { + (None, _) => { + self.red = Some(b); + } + (Some(_), None) => { + self.green = Some(b); + } + (Some(r), Some(g)) => { + self.set_color(Color::Rgb(r, g, b)); + self.state = State::Normal; + } + }, + _ => { + self.state = State::Normal; + } + } + } +} + +fn parse_color(digit: u8) -> Option<Color> { + match digit { + 0 => Some(Color::Black), + 1 => Some(Color::Red), + 2 => Some(Color::Green), + 3 => Some(Color::Yellow), + 4 => Some(Color::Blue), + 5 => Some(Color::Magenta), + 6 => Some(Color::Cyan), + 7 => Some(Color::White), + _ => None, + } +} diff --git a/vendor/fwdansi/tests/tests.proptest-regressions b/vendor/fwdansi/tests/tests.proptest-regressions new file mode 100644 index 0000000..ad5349d --- /dev/null +++ b/vendor/fwdansi/tests/tests.proptest-regressions @@ -0,0 +1,11 @@ +# Seeds for failure cases proptest has generated in the past. It is +# automatically read and these particular cases re-run before any +# novel cases are generated. +# +# It is recommended to check this file in to source control so that +# everyone who runs the test benefits from these saved cases. +xs 3335351554 386647235 3584534272 266266105 # shrinks to ref elements = [Reset] +xs 1928044643 2253320966 2424427606 448028530 # shrinks to ref ansi_string = [27] +xs 1984785545 2043478319 191885995 1442765875 # shrinks to ref elements = [Text([27])] +xs 4274884889 8924921 2258884976 859679705 # shrinks to ref elements = [Text([27, 91, 109])] +xs 428132133 722552347 3851126282 1913029940 # shrinks to ref elements = [Text([27, 91, 58])] diff --git a/vendor/fwdansi/tests/tests.rs b/vendor/fwdansi/tests/tests.rs new file mode 100644 index 0000000..c82f6f2 --- /dev/null +++ b/vendor/fwdansi/tests/tests.rs @@ -0,0 +1,97 @@ +extern crate fwdansi; +extern crate proptest; +extern crate termcolor; + +use fwdansi::write_ansi; +use proptest::prelude::*; +use std::io; +use termcolor::{Ansi, Color, ColorSpec, WriteColor}; + +proptest! { + #[test] + fn check_no_crash(ref ansi_string in any::<Vec<u8>>()) { + let mut ansi = Ansi::new(Vec::with_capacity(ansi_string.len())); + prop_assert!(write_ansi(&mut ansi, &ansi_string).is_ok()); + } + + #[test] + fn ansi_idempotent(ref elements in prop::collection::vec(Element::any(), 0..100)) { + // first, write the test string into an ANSI buffer. + let mut original = Ansi::new(Vec::new()); + for e in elements { + e.write(&mut original).unwrap(); + } + + // recover the original string, and forward it using `write_ansi`. + let original = original.into_inner(); + let mut forwarded = Ansi::new(Vec::with_capacity(original.len())); + prop_assert!(write_ansi(&mut forwarded, &original).is_ok()); + prop_assert_eq!(original, forwarded.into_inner()); + } +} + +#[derive(Debug, Clone)] +enum Element { + ColorSpec(ColorSpec), + Reset, + Text(Vec<u8>), +} + +fn any_opt_color() -> impl Strategy<Value = Option<Color>> { + let color = prop_oneof![ + Just(Color::Black), + Just(Color::Red), + Just(Color::Green), + Just(Color::Yellow), + Just(Color::Blue), + Just(Color::Magenta), + Just(Color::Cyan), + Just(Color::White), + any::<u8>().prop_map(Color::Ansi256), + any::<[u8; 3]>().prop_map(|[r, g, b]| Color::Rgb(r, g, b)), + ]; + prop::option::weighted(0.9, color) +} + +prop_compose! { + fn any_color_spec()( + bold in any::<bool>(), + underline in any::<bool>(), + intense in any::<bool>(), + fg_color in any_opt_color(), + bg_color in any_opt_color(), + ) -> ColorSpec { + let mut spec = ColorSpec::new(); + spec.set_bold(bold) + .set_underline(underline) + .set_intense(intense) + .set_fg(fg_color) + .set_bg(bg_color); + spec + } +} + +impl Element { + fn any() -> impl Strategy<Value = Self> { + prop_oneof![ + Just(Element::Reset), + any_color_spec().prop_map(Element::ColorSpec), + any::<Vec<u8>>().prop_filter_map("ignored empty SGR", |v| { + if v.windows(3).find(|w| w == b"\x1b[m").is_some() { + None + } else { + Some(Element::Text(v)) + } + }), + ] + } + + fn write<W: WriteColor>(&self, mut w: W) -> io::Result<()> { + w.write_all(b"~")?; + match self { + Element::ColorSpec(cs) => w.set_color(cs), + Element::Reset => w.reset(), + Element::Text(text) => w.write_all(text), + } + } +} |