Initial commit

.clog.toml

@@ -0,0 +1,4 @@
+[clog]
+repository = "https://github.com/crate-ci/scorrect"
+changelog = "CHANGELOG.md"
+from-latest-tag = true

.gitattributes

@@ -0,0 +1 @@
+assets/* linguist-vendored

.gitignore

@@ -0,0 +1,2 @@
+/target
+**/*.rs.bk

.travis.yml

@@ -0,0 +1,60 @@
+sudo: false
+language: rust
+rust:
+- 1.31.0  # oldest supported version
+- stable
+- beta
+- nightly
+matrix:
+  include:
+  - env: RUSTFMT
+    rust: 1.31.0  # `stable`: Locking down for consistent behavior
+    install:
+      - rustup component add rustfmt
+    script:
+      - cargo fmt -- --check
+  - env: RUSTFLAGS="-D warnings"
+    rust: 1.31.0  # `stable`: Locking down for consistent behavior
+    install:
+    script:
+    - cargo check --tests
+  - env: CLIPPY
+    rust: 1.31.0  # `stable`: Locking down for consistent behavior
+    install:
+      - rustup component add clippy
+    script:
+      - cargo clippy --all-features
+  - env: BENCH
+    rust: nightly
+    script:
+      - cargo bench
+
+install:
+- rustc -Vv
+- cargo -V
+- export PATH=$HOME/.cargo/bin:$PATH
+
+script:
+- cargo check --verbose
+- cargo test  --verbose
+
+branches:
+  only:
+  # Release tags
+  - /^v\d+\.\d+\.\d+.*$/
+  - master
+
+# Need to cache the whole `.cargo` directory to keep .crates.toml for
+# cargo-update to work
+cache:
+  directories:
+    - /home/travis/.cargo
+# But don't cache the cargo registry
+before_cache:
+- rm -rf $HOME/.cargo/registry
+# Travis can't cache files that are not readable by "others"
+- chmod -R a+r $HOME/.cargo
+
+notifications:
+  email:
+    on_success: never

CONTRIBUTING.md

@@ -0,0 +1,67 @@
+# Contributing to scorrect
+
+Thanks for wanting to contribute! There are many ways to contribute and we
+appreciate any level you're willing to do.
+
+## Feature Requests
+
+Need some new functionality to help?  You can let us know by opening an
+[issue][new issue]. It's helpful to look through [all issues][all issues] in
+case its already being talked about.
+
+## Bug Reports
+
+Please let us know about what problems you run into, whether in behavior or
+ergonomics of API.  You can do this by opening an [issue][new issue]. It's
+helpful to look through [all issues][all issues] in case its already being
+talked about.
+
+## Pull Requests
+
+Looking for an idea? Check our [issues][issues]. If it's look more open ended,
+it is probably best to post on the issue how you are thinking of resolving the
+issue so you can get feedback early in the process. We want you to be
+successful and it can be discouraging to find out a lot of re-work is needed.
+
+Already have an idea?  It might be good to first [create an issue][new issue]
+to propose it so we can make sure we are aligned and lower the risk of having
+to re-work some of it and the discouragement that goes along with that.
+
+### Process
+
+When you first post a PR, we request that the commit history get cleaned
+up.  We recommend avoiding this during the PR to make it easier to review how
+feedback was handled. Once the commit is ready, we'll ask you to clean up the
+commit history.  Once you let us know this is done, we can move forward with
+merging!  If you are uncomfortable with these parts of git, let us know and we
+can help.
+
+We ask that all new files have the copyright header.  Please update the
+copyright year for files you are modifying.
+
+As a heads up, we'll be running your PR through the following gauntlet:
+- warnings turned to compile errors
+- `cargo test`
+- `rustfmt`
+- `clippy`
+- `rustdoc`
+
+Check out our [CI][travis] for more information.
+
+## Releasing
+
+When we're ready to release, a project owner should do the following
+- Determine what the next version is, according to semver
+- Bump version in a commit
+  - Update CHANGELOG.md
+  - Update the version in `Cargo.toml`
+  - Update the dependency version in `src/lib.rs`
+  - Update the dependency version in `README.md`
+- Tag the commit via `git tag -am "v<X>.<Y>.<Z>" v<X>.<Y>.<Z>`
+- `git push upstream master --tag v<X>.<Y>.<Z>`
+- Run `cargo publish` (run `cargo login` first if needed)
+
+[issues]: https://github.com/crate-ci/scorrect/issues
+[new issue]: https://github.com/crate-ci/scorrect/issues/new
+[all issues]: https://github.com/crate-ci/scorrect/issues?utf8=%E2%9C%93&q=is%3Aissue
+[travis]: https://github.com/crate-ci/scorrect/blob/master/.travis.yml

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Cargo.toml

@@ -0,0 +1,32 @@
+[package]
+name = "scorrect"
+version = "0.1.0"
+authors = ["Ed Page <eopage@gmail.com>"]
+description = "Source Code Spelling Correction"
+repository = "https://github.com/crate-ci/scorrect"
+documentation = "https://docs.rs/scorrect"
+readme = "README.md"
+categories = ["development-tools", "text-processing"]
+keywords = ["development", "spelling"]
+license = "MIT"
+edition = "2018"
+
+[badges]
+travis-ci = { repository = "crate-ci/scorrect" }
+appveyor  = { repository = "epage/scorrect" }
+
+[dependencies]
+failure = "0.1"
+structopt = "0.2"
+ignore = "0.4"
+phf = "0.7"
+regex = "1.0"
+lazy_static = "1.2.0"
+grep-searcher = "0.1"
+
+[dev-dependencies]
+assert_fs = "0.10"
+
+[build-dependencies]
+phf_codegen = "0.7"
+csv = "1.0"

LICENSE-APACHE

@@ -0,0 +1,202 @@
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+
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+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
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+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
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+
+   6. Trademarks. This License does not grant permission to use the trade
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+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
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+   9. Accepting Warranty or Additional Liability. While redistributing
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+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright {yyyy} {name of copyright owner}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+

LICENSE-MIT

@@ -0,0 +1,19 @@
+Copyright (c) 2015 The assert_cli Developers
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,37 @@
+# scorrect
+
+> **Source Code Spelling Correction**
+
+[![Travis Status](https://travis-ci.org/crate-ci/scorrect.svg?branch=master)](https://travis-ci.org/crate-ci/scorrect)
+[![Appveyor Status](https://ci.appveyor.com/api/projects/status/ngaynop65qg5sqpq/branch/master?svg=true)](https://ci.appveyor.com/project/epage/scorrect/branch/master)
+[![Documentation](https://img.shields.io/badge/docs-master-blue.svg)][Documentation]
+![License](https://img.shields.io/crates/l/scorrect.svg)
+[![Crates Status](https://img.shields.io/crates/v/scorrect.svg)](https://crates.io/crates/scorrect)
+
+## Install
+
+Add to your `Cargo.toml`:
+
+```toml
+[dependencies]
+scorrect = "0.3"
+```
+
+## License
+
+Licensed under either of
+
+ * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally
+submitted for inclusion in the work by you, as defined in the Apache-2.0
+license, shall be dual licensed as above, without any additional terms or
+conditions.
+
+[Crates.io]: https://crates.io/crates/scorrect
+[Documentation]: https://docs.rs/scorrect

appveyor.yml

@@ -0,0 +1,46 @@
+environment:
+  global:
+    RUST_VERSION: stable
+    #APPVEYOR_CACHE_SKIP_RESTORE: true
+
+  matrix:
+  # Stable channel
+  - TARGET: i686-pc-windows-msvc
+    CHANNEL: stable
+  - TARGET: x86_64-pc-windows-msvc
+    CHANNEL: stable
+  # Beta channel
+  - TARGET: x86_64-pc-windows-msvc
+    CHANNEL: beta
+  # Nightly channel
+  - TARGET: x86_64-pc-windows-msvc
+    CHANNEL: nightly
+
+install:
+- ps: >-
+    $Env:PATH += ';C:\msys64\usr\bin'
+- curl -sSf -o rustup-init.exe https://win.rustup.rs/
+- rustup-init.exe -y --default-host %TARGET% --default-toolchain %RUST_VERSION%
+- set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
+- rustc -Vv
+- cargo -V
+
+test_script:
+- cargo check --verbose
+- cargo test  --verbose
+
+branches:
+  only:
+  # Release tags
+  - /^v\d+\.\d+\.\d+.*$/
+  - master
+
+cache:
+- C:\Users\appveyor\.cargo\registry
+
+notifications:
+- provider: Email
+  on_build_success: false
+
+# Building is done in the test phase, so we disable Appveyor's build phase.
+build: false

assets/main.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"fmt"
+)
+
+func printDict(dict []string) {
+	length := len(dict)
+	for i, word := range dict {
+		if i%2 == 0 && i != length {
+			fmt.Printf("%s,%s\n", word, dict[i+1])
+		}
+	}
+}
+
+func main() {
+	printDict(DictMain)
+	printDict(DictAmerican)
+}

benches/corrections.rs

@@ -0,0 +1,23 @@
+#![feature(test)]
+
+extern crate test;
+
+#[bench]
+fn load_corrections(b: &mut test::Bencher) {
+    b.iter(|| scorrect::Corrections::new());
+}
+
+#[bench]
+fn correction(b: &mut test::Bencher) {
+    let corrections = scorrect::Corrections::new();
+    assert_eq!(corrections.correct_str("successs"), Some("successes"));
+    b.iter(|| corrections.correct_str("successs"));
+}
+
+#[bench]
+fn no_correction(b: &mut test::Bencher) {
+    let corrections = scorrect::Corrections::new();
+    assert_eq!(corrections.correct_str("success"), None);
+    b.iter(|| corrections.correct_str("success"));
+}
+

benches/data.rs

@@ -0,0 +1,32 @@
+pub const EMPTY: &str = "";
+
+pub const NO_TOKENS: &str = "                    ";
+
+pub const SINGLE_TOKEN: &str = "success";
+
+// Stolen from https://github.com/BurntSushi/ripgrep/blob/master/grep-searcher/src/searcher/glue.rs
+pub const SHERLOCK: &'static str = "\
+For the Doctor Watsons of this world, as opposed to the Sherlock
+Holmeses, success in the province of detective work must always
+be, to a very large extent, the result of luck. Sherlock Holmes
+can extract a clew from a wisp of straw or a flake of cigar ash;
+but Doctor Watson has to have it taken out for him and dusted,
+and exhibited clearly, with a label attached.\
+";
+
+// Stolen from https://github.com/BurntSushi/ripgrep/blob/master/grep-searcher/src/searcher/glue.rs
+pub const CODE: &'static str = "\
+extern crate snap;
+use std::io;
+fn main() {
+    let stdin = io::stdin();
+    let stdout = io::stdout();
+    // Wrap the stdin reader in a Snappy reader.
+    let mut rdr = snap::Reader::new(stdin.lock());
+    let mut wtr = stdout.lock();
+    io::copy(&mut rdr, &mut wtr).expect(\"I/O operation failed\");
+}
+";
+
+pub const CORPUS: &str = include_str!("../assets/words.csv");
+

benches/file.rs

@@ -0,0 +1,79 @@
+#![feature(test)]
+
+extern crate test;
+
+mod data;
+
+pub use assert_fs::prelude::*;
+
+#[bench]
+fn process_empty(b: &mut test::Bencher) {
+    let temp = assert_fs::TempDir::new().unwrap();
+    let sample_path = temp.child("sample");
+    sample_path.write_str(data::EMPTY).unwrap();
+
+    let corrections = scorrect::Corrections::new();
+    b.iter(|| scorrect::process_file(sample_path.path(), &corrections));
+
+    temp.close().unwrap();
+}
+
+#[bench]
+fn process_no_tokens(b: &mut test::Bencher) {
+    let temp = assert_fs::TempDir::new().unwrap();
+    let sample_path = temp.child("sample");
+    sample_path.write_str(data::NO_TOKENS).unwrap();
+
+    let corrections = scorrect::Corrections::new();
+    b.iter(|| scorrect::process_file(sample_path.path(), &corrections));
+
+    temp.close().unwrap();
+}
+
+#[bench]
+fn process_single_token(b: &mut test::Bencher) {
+    let temp = assert_fs::TempDir::new().unwrap();
+    let sample_path = temp.child("sample");
+    sample_path.write_str(data::SINGLE_TOKEN).unwrap();
+
+    let corrections = scorrect::Corrections::new();
+    b.iter(|| scorrect::process_file(sample_path.path(), &corrections));
+
+    temp.close().unwrap();
+}
+
+#[bench]
+fn process_sherlock(b: &mut test::Bencher) {
+    let temp = assert_fs::TempDir::new().unwrap();
+    let sample_path = temp.child("sample");
+    sample_path.write_str(data::SHERLOCK).unwrap();
+
+    let corrections = scorrect::Corrections::new();
+    b.iter(|| scorrect::process_file(sample_path.path(), &corrections));
+
+    temp.close().unwrap();
+}
+
+#[bench]
+fn process_code(b: &mut test::Bencher) {
+    let temp = assert_fs::TempDir::new().unwrap();
+    let sample_path = temp.child("sample");
+    sample_path.write_str(data::CODE).unwrap();
+
+    let corrections = scorrect::Corrections::new();
+    b.iter(|| scorrect::process_file(sample_path.path(), &corrections));
+
+    temp.close().unwrap();
+}
+
+#[bench]
+fn process_corpus(b: &mut test::Bencher) {
+    let temp = assert_fs::TempDir::new().unwrap();
+    let sample_path = temp.child("sample");
+    sample_path.write_str(data::CORPUS).unwrap();
+
+    let corrections = scorrect::Corrections::new();
+    b.iter(|| scorrect::process_file(sample_path.path(), &corrections));
+
+    temp.close().unwrap();
+}

benches/tokenize.rs

@@ -0,0 +1,35 @@
+#![feature(test)]
+
+extern crate test;
+
+mod data;
+
+#[bench]
+fn tokenize_empty(b: &mut test::Bencher) {
+    b.iter(|| scorrect::tokenize(data::EMPTY.as_bytes()).collect::<Vec<_>>());
+}
+
+#[bench]
+fn tokenize_no_tokens(b: &mut test::Bencher) {
+    b.iter(|| scorrect::tokenize(data::NO_TOKENS.as_bytes()).collect::<Vec<_>>());
+}
+
+#[bench]
+fn tokenize_single_token(b: &mut test::Bencher) {
+    b.iter(|| scorrect::tokenize(data::SINGLE_TOKEN.as_bytes()).collect::<Vec<_>>());
+}
+
+#[bench]
+fn tokenize_sherlock(b: &mut test::Bencher) {
+    b.iter(|| scorrect::tokenize(data::SHERLOCK.as_bytes()).collect::<Vec<_>>());
+}
+
+#[bench]
+fn tokenize_code(b: &mut test::Bencher) {
+    b.iter(|| scorrect::tokenize(data::CODE.as_bytes()).collect::<Vec<_>>());
+}
+
+#[bench]
+fn tokenize_corpus(b: &mut test::Bencher) {
+    b.iter(|| scorrect::tokenize(data::CORPUS.as_bytes()).collect::<Vec<_>>());
+}

build.rs

@@ -0,0 +1,24 @@
+use std::env;
+use std::fs::File;
+use std::io::{BufWriter, Write};
+use std::path::Path;
+
+pub const CORPUS: &[u8] = include_bytes!("./assets/words.csv");
+
+fn main() {
+    let path = Path::new(&env::var("OUT_DIR").unwrap()).join("codegen.rs");
+    let mut file = BufWriter::new(File::create(&path).unwrap());
+
+    println!("rerun-if-changed=./assets/words.csv");
+    write!(&mut file, "static DICTIONARY: phf::Map<&'static str, &'static str> = ").unwrap();
+    let mut builder = phf_codegen::Map::new();
+    let records: Vec<_> = csv::Reader::from_reader(CORPUS).records().map(|r| r.unwrap()).collect();
+    for record in &records {
+        let value = format!(r#""{}""#, &record[1]);
+        builder.entry(&record[0], &value);
+    }
+    builder
+        .build(&mut file)
+        .unwrap();
+    write!(&mut file, ";\n").unwrap();
+}

src/lib.rs

@@ -0,0 +1,57 @@
+use std::fs::File;
+use std::io::Read;
+
+include!(concat!(env!("OUT_DIR"), "/codegen.rs"));
+
+pub struct Token<'t> {
+    pub token: &'t [u8],
+    pub offset: usize,
+}
+
+pub fn tokenize(content: &[u8]) -> impl Iterator<Item=Token> {
+    lazy_static::lazy_static! {
+        static ref SPLIT: regex::bytes::Regex = regex::bytes::Regex::new(r#"\b\w+\b"#).unwrap();
+    }
+    SPLIT.find_iter(content).map(|m| {
+        Token {
+            token: m.as_bytes(),
+            offset: m.start(),
+        }
+    })
+}
+
+pub fn process_file(path: &std::path::Path, dictionary: &Corrections) -> Result<(), failure::Error> {
+    let mut buffer = Vec::new();
+    File::open(path)?.read_to_end(&mut buffer)?;
+    for (line_idx, line) in grep_searcher::LineIter::new(b'\n', &buffer).enumerate() {
+        let line_num = line_idx + 1;
+        for token in tokenize(line) {
+            if let Some(word) = std::str::from_utf8(token.token).ok() {
+                if let Some(correction) = dictionary.correct_str(word) {
+                    let column = token.offset;
+                    println!("{}:{}:{}: {} -> {}", path.display(), line_num, column, word, correction);
+                }
+            }
+        }
+    }
+
+    Ok(())
+}
+
+pub struct Corrections {
+}
+
+impl Corrections {
+    pub fn new() -> Self {
+        Corrections { }
+    }
+
+    pub fn correct_str(&self, word: &str) -> Option<&str> {
+        DICTIONARY.get(word).map(|s| *s)
+    }
+
+    pub fn correct_bytes(&self, word: &[u8]) -> Option<&[u8]> {
+        std::str::from_utf8(word).ok().and_then(|word| DICTIONARY.get(word)).map(|s| s.as_bytes())
+    }
+}
+

src/main.rs

@@ -0,0 +1,50 @@
+use structopt::StructOpt;
+
+#[derive(Debug, StructOpt)]
+struct Options {
+    #[structopt(parse(from_os_str))]
+    /// Paths to check
+    path: Vec<std::path::PathBuf>,
+
+    #[structopt(short="j", long="threads", default_value="0")]
+    /// The approximate number of threads to use.
+    threads: usize,
+}
+
+impl Options {
+    pub fn infer(mut self) -> Self {
+        if self.path.len() == 1 {
+            if self.path[0].is_file() {
+                self.threads = 1;
+            }
+        }
+
+        self
+    }
+}
+
+fn run() -> Result<(), failure::Error> {
+    let options = Options::from_args().infer();
+
+    let dictionary = scorrect::Corrections::new();
+
+    let first_path = &options.path.get(0).expect("arg parsing enforces at least one");
+    let mut walk = ignore::WalkBuilder::new(first_path);
+    for path in &options.path[1..] {
+        walk.add(path);
+    }
+    walk.threads(options.threads);
+    // TODO Add build_parallel for options.threads != 1
+    for entry in walk.build() {
+        let entry = entry?;
+        if entry.file_type().map(|t| t.is_file()).unwrap_or(true) {
+            scorrect::process_file(entry.path(), &dictionary)?;
+        }
+    }
+
+    Ok(())
+}
+
+fn main() {
+    run().unwrap();
+}