diff options
Diffstat (limited to 'vendor/shell-words')
| -rw-r--r-- | vendor/shell-words/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | vendor/shell-words/Cargo.toml | 30 | ||||
| -rw-r--r-- | vendor/shell-words/LICENSE-APACHE | 201 | ||||
| -rw-r--r-- | vendor/shell-words/LICENSE-MIT | 25 | ||||
| -rw-r--r-- | vendor/shell-words/README.md | 90 | ||||
| -rw-r--r-- | vendor/shell-words/rustfmt.toml | 1 | ||||
| -rw-r--r-- | vendor/shell-words/src/lib.rs | 507 |
7 files changed, 0 insertions, 855 deletions
diff --git a/vendor/shell-words/.cargo-checksum.json b/vendor/shell-words/.cargo-checksum.json deleted file mode 100644 index 851eba5..0000000 --- a/vendor/shell-words/.cargo-checksum.json +++ /dev/null @@ -1 +0,0 @@ -{"files":{"Cargo.toml":"93a9e03b9ff9da01305caf81ce6d2d452b9d43d8247e5122437cb2804c2c6dc8","LICENSE-APACHE":"848d7bf14c618c39f1e29fcac2318a2fcc4254045ba7e2f6f5fa799e057225cb","LICENSE-MIT":"f76b7831ee8f42d3ac38919101e4ceb9f56aeb7796cdfe8a5ef52e26acedcbbf","README.md":"9afd45a0555ac08318b35b569d439e9aa3e9b15323622648bce72e9663e12453","rustfmt.toml":"aeffdf96c9207bb6b1cb14c082f2f7c702653664c2f23d705b6a6b3de055c9d4","src/lib.rs":"be96845d39315fc620e12abd42e29a593ec5d267b9a40462a15cf5be234d3149"},"package":"24188a676b6ae68c3b2cb3a01be17fbf7240ce009799bb56d5b1409051e78fde"}
\ No newline at end of file diff --git a/vendor/shell-words/Cargo.toml b/vendor/shell-words/Cargo.toml deleted file mode 100644 index 2040d9d..0000000 --- a/vendor/shell-words/Cargo.toml +++ /dev/null @@ -1,30 +0,0 @@ -# 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 are reading this file be aware that the original Cargo.toml -# will likely look very different (and much more reasonable). -# See Cargo.toml.orig for the original contents. - -[package] -name = "shell-words" -version = "1.1.0" -authors = ["Tomasz Miąsko <tomasz.miasko@gmail.com>"] -description = "Process command line according to parsing rules of UNIX shell" -readme = "README.md" -keywords = [ - "quote", - "shell", - "split", - "unix", - "words", -] -license = "MIT/Apache-2.0" -repository = "https://github.com/tmiasko/shell-words" - -[features] -default = ["std"] -std = [] diff --git a/vendor/shell-words/LICENSE-APACHE b/vendor/shell-words/LICENSE-APACHE deleted file mode 100644 index 356ea6f..0000000 --- a/vendor/shell-words/LICENSE-APACHE +++ /dev/null @@ -1,201 +0,0 @@ - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - -TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - -1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. For the purposes - of this License, Derivative Works shall not include works that remain - separable from, or merely link (or bind by name) to the interfaces of, - the Work and Derivative Works thereof. - - "Contribution" shall mean any work of authorship, including - the original version of the Work and any modifications or additions - to that Work or Derivative Works thereof, that is intentionally - submitted to Licensor for inclusion in the Work by the copyright owner - or by an individual or Legal Entity authorized to submit on behalf of - the copyright owner. For the purposes of this definition, "submitted" - means any form of electronic, verbal, or written communication sent - to the Licensor or its representatives, including but not limited to - communication on electronic mailing lists, source code control systems, - and issue tracking systems that are managed by, or on behalf of, the - Licensor for the purpose of discussing and improving the Work, but - excluding communication that is conspicuously marked or otherwise - designated in writing by the copyright owner as "Not a Contribution." - - "Contributor" shall mean Licensor and any individual or Legal Entity - on behalf of whom a Contribution has been received by Licensor and - subsequently incorporated within the Work. - -2. Grant of Copyright License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - copyright license to reproduce, prepare Derivative Works of, - publicly display, publicly perform, sublicense, and distribute the - Work and such Derivative Works in Source or Object form. - -3. Grant of Patent License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - (except as stated in this section) patent license to make, have made, - use, offer to sell, sell, import, and otherwise transfer the Work, - where such license applies only to those patent claims licensable - by such Contributor that are necessarily infringed by their - Contribution(s) alone or by combination of their Contribution(s) - with the Work to which such Contribution(s) was submitted. If You - institute patent litigation against any entity (including a - cross-claim or counterclaim in a lawsuit) alleging that the Work - or a Contribution incorporated within the Work constitutes direct - or contributory patent infringement, then any patent licenses - granted to You under this License for that Work shall terminate - as of the date such litigation is filed. - -4. Redistribution. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. The contents - of the NOTICE file are for informational purposes only and - do not modify the License. You may add Your own attribution - notices within Derivative Works that You distribute, alongside - or as an addendum to the NOTICE text from the Work, provided - that such additional attribution notices cannot be construed - as modifying the License. - - You may add Your own copyright statement to Your modifications and - may provide additional or different license terms and conditions - for use, reproduction, or distribution of Your modifications, or - for any such Derivative Works as a whole, provided Your use, - reproduction, and distribution of the Work otherwise complies with - the conditions stated in this License. - -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 - this License, without any additional terms or conditions. - Notwithstanding the above, nothing herein shall supersede or modify - the terms of any separate license agreement you may have executed - with Licensor regarding such Contributions. - -6. Trademarks. This License does not grant permission to use the trade - names, trademarks, service marks, or product names of the Licensor, - except as required for reasonable and customary use in describing the - origin of the Work and reproducing the content of the NOTICE file. - -7. Disclaimer of Warranty. Unless required by applicable law or - agreed to in writing, Licensor provides the Work (and each - Contributor provides its Contributions) on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or - implied, including, without limitation, any warranties or conditions - of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A - 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 - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - -9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. However, in accepting such obligations, You may act only - 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. diff --git a/vendor/shell-words/LICENSE-MIT b/vendor/shell-words/LICENSE-MIT deleted file mode 100644 index eac305d..0000000 --- a/vendor/shell-words/LICENSE-MIT +++ /dev/null @@ -1,25 +0,0 @@ -Copyright (c) 2016 Tomasz Miąsko - -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. diff --git a/vendor/shell-words/README.md b/vendor/shell-words/README.md deleted file mode 100644 index 9b9e563..0000000 --- a/vendor/shell-words/README.md +++ /dev/null @@ -1,90 +0,0 @@ -# shell-words - -Process command line according to parsing rules of Unix shell. - -## Usage - -Add this to Cargo.toml: -```toml -[dependencies] -shell-words = "1.0.0" -``` - -Add this to your crate: -```rust -extern crate shell_words; -``` - -## Examples - -### Split - -Compiling C source code into an executable as in default build rule found in GNU Make: - -```rust -extern crate shell_words; - -use std::env::var; -use std::process::Command; - -fn main() { - let cc = var("CC").unwrap_or_else(|_| "cc".to_owned()); - - let cflags = var("CFLAGS").unwrap_or_else(|_| String::new()); - let cflags = shell_words::split(&cflags).expect("failed to parse CFLAGS"); - - let cppflags = var("CPPFLAGS").unwrap_or_else(|_| String::new()); - let cppflags = shell_words::split(&cppflags).expect("failed to parse CPPFLAGS"); - - Command::new(cc) - .args(cflags) - .args(cppflags) - .args(&["-c", "a.c", "-o", "a.out"]) - .spawn() - .expect("failed to start subprocess") - .wait() - .expect("failed to wait for subprocess"); -} -``` - -### Join - -Logging executed commands in format that can be readily copied and pasted to a shell: - -```rust -extern crate shell_words; - -fn main() { - let argv = &["python", "-c", "print('Hello world!')"]; - - println!("Executing: {}", shell_words::join(argv)); - - std::process::Command::new(&argv[0]) - .args(&argv[1..]) - .spawn() - .expect("failed to start subprocess") - .wait() - .expect("failed to wait for subprocess"); -} -``` - -## Bugs - -Please report any issues at https://github.com/tmiasko/shell-words/issues. - -## 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. diff --git a/vendor/shell-words/rustfmt.toml b/vendor/shell-words/rustfmt.toml deleted file mode 100644 index b2715b2..0000000 --- a/vendor/shell-words/rustfmt.toml +++ /dev/null @@ -1 +0,0 @@ -wrap_comments = true diff --git a/vendor/shell-words/src/lib.rs b/vendor/shell-words/src/lib.rs deleted file mode 100644 index b93001f..0000000 --- a/vendor/shell-words/src/lib.rs +++ /dev/null @@ -1,507 +0,0 @@ -// Copyright 2018 Tomasz Miąsko -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE> -// or the MIT license <LICENSE-MIT>, at your option. -// -//! Process command line according to parsing rules of Unix shell as specified -//! in [Shell Command Language in POSIX.1-2008][posix-shell]. -//! -//! [posix-shell]: http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html - -#![cfg_attr(not(feature = "std"), no_std)] -#![forbid(unsafe_code)] - -#[cfg(feature = "std")] -extern crate core; - -use core::fmt; -use core::mem; - -#[cfg(not(feature = "std"))] -#[macro_use] -extern crate alloc; - -#[cfg(not(feature = "std"))] -use alloc::string::String; -#[cfg(not(feature = "std"))] -use alloc::vec::Vec; - -#[cfg(not(feature = "std"))] -use alloc::borrow::Cow; -#[cfg(feature = "std")] -use std::borrow::Cow; - -/// An error returned when shell parsing fails. -#[derive(Clone, Copy, Debug, PartialEq, Eq)] -pub struct ParseError; - -impl fmt::Display for ParseError { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - f.write_str("missing closing quote") - } -} - -#[cfg(feature = "std")] -impl std::error::Error for ParseError {} - -enum State { - /// Within a delimiter. - Delimiter, - /// After backslash, but before starting word. - Backslash, - /// Within an unquoted word. - Unquoted, - /// After backslash in an unquoted word. - UnquotedBackslash, - /// Within a single quoted word. - SingleQuoted, - /// Within a double quoted word. - DoubleQuoted, - /// After backslash inside a double quoted word. - DoubleQuotedBackslash, - /// Inside a comment. - Comment, -} - -/// Splits command line into separate arguments, in much the same way Unix shell -/// would, but without many of expansion the shell would perform. -/// -/// The split functionality is compatible with behaviour of Unix shell, but with -/// word expansions limited to quote removal, and without special token -/// recognition rules for operators. -/// -/// The result is exactly the same as one obtained from Unix shell as long as -/// those unsupported features are not present in input: no operators, no -/// variable assignments, no tilde expansion, no parameter expansion, no command -/// substitution, no arithmetic expansion, no pathname expansion. -/// -/// In case those unsupported shell features are present, the syntax that -/// introduce them is interpreted literally. -/// -/// # Errors -/// -/// When input contains unmatched quote, an error is returned. -/// -/// # Compatibility with other implementations -/// -/// It should be fully compatible with g_shell_parse_argv from GLib, except that -/// in GLib it is an error not to have any words after tokenization. -/// -/// It is also very close to shlex.split available in Python standard library, -/// when used in POSIX mode with support for comments. Though, shlex -/// implementation diverges from POSIX, and from implementation contained herein -/// in three aspects. First, it doesn't support line continuations. -/// Second, inside double quotes, the backslash characters retains its special -/// meaning as an escape character only when followed by \\ or \", whereas POSIX -/// specifies that it should retain its special meaning when followed by: $, \`, -/// \", \\, or a newline. Third, it treats carriage return as one of delimiters. -/// -/// # Examples -/// -/// Building an executable using compiler obtained from CC environment variable -/// and compiler flags from both CFLAGS and CPPFLAGS. Similar to default build -/// rule for C used in GNU Make: -/// -/// ```rust,no_run -/// use std::env::var; -/// use std::process::Command; -/// -/// let cc = var("CC").unwrap_or_else(|_| "cc".to_owned()); -/// -/// let cflags_str = var("CFLAGS").unwrap_or_else(|_| String::new()); -/// let cflags = shell_words::split(&cflags_str).expect("failed to parse CFLAGS"); -/// -/// let cppflags_str = var("CPPFLAGS").unwrap_or_else(|_| String::new()); -/// let cppflags = shell_words::split(&cppflags_str).expect("failed to parse CPPFLAGS"); -/// -/// Command::new(cc) -/// .args(cflags) -/// .args(cppflags) -/// .args(&["-c", "a.c", "-o", "a.out"]) -/// .spawn() -/// .expect("failed to start subprocess") -/// .wait() -/// .expect("failed to wait for subprocess"); -/// ``` -pub fn split(s: &str) -> Result<Vec<String>, ParseError> { - use State::*; - - let mut words = Vec::new(); - let mut word = String::new(); - let mut chars = s.chars(); - let mut state = Delimiter; - - loop { - let c = chars.next(); - state = match state { - Delimiter => match c { - None => break, - Some('\'') => SingleQuoted, - Some('\"') => DoubleQuoted, - Some('\\') => Backslash, - Some('\t') | Some(' ') | Some('\n') => Delimiter, - Some('#') => Comment, - Some(c) => { - word.push(c); - Unquoted - } - }, - Backslash => match c { - None => { - word.push('\\'); - words.push(mem::replace(&mut word, String::new())); - break; - } - Some('\n') => Delimiter, - Some(c) => { - word.push(c); - Unquoted - } - }, - Unquoted => match c { - None => { - words.push(mem::replace(&mut word, String::new())); - break; - } - Some('\'') => SingleQuoted, - Some('\"') => DoubleQuoted, - Some('\\') => UnquotedBackslash, - Some('\t') | Some(' ') | Some('\n') => { - words.push(mem::replace(&mut word, String::new())); - Delimiter - } - Some(c) => { - word.push(c); - Unquoted - } - }, - UnquotedBackslash => match c { - None => { - word.push('\\'); - words.push(mem::replace(&mut word, String::new())); - break; - } - Some('\n') => Unquoted, - Some(c) => { - word.push(c); - Unquoted - } - }, - SingleQuoted => match c { - None => return Err(ParseError), - Some('\'') => Unquoted, - Some(c) => { - word.push(c); - SingleQuoted - } - }, - DoubleQuoted => match c { - None => return Err(ParseError), - Some('\"') => Unquoted, - Some('\\') => DoubleQuotedBackslash, - Some(c) => { - word.push(c); - DoubleQuoted - } - }, - DoubleQuotedBackslash => match c { - None => return Err(ParseError), - Some('\n') => DoubleQuoted, - Some(c @ '$') | Some(c @ '`') | Some(c @ '"') | Some(c @ '\\') => { - word.push(c); - DoubleQuoted - } - Some(c) => { - word.push('\\'); - word.push(c); - DoubleQuoted - } - }, - Comment => match c { - None => break, - Some('\n') => Delimiter, - Some(_) => Comment, - }, - } - } - - Ok(words) -} - -enum EscapeStyle { - /// No escaping. - None, - /// Wrap in single quotes. - SingleQuoted, - /// Single quotes combined with backslash. - Mixed, -} - -/// Determines escaping style to use. -fn escape_style(s: &str) -> EscapeStyle { - if s.is_empty() { - return EscapeStyle::SingleQuoted; - } - - let mut special = false; - let mut newline = false; - let mut single_quote = false; - - for c in s.chars() { - match c { - '\n' => { - newline = true; - special = true; - } - '\'' => { - single_quote = true; - special = true; - } - '|' | '&' | ';' | '<' | '>' | '(' | ')' | '$' | '`' | '\\' | '"' | ' ' | '\t' | '*' - | '?' | '[' | '#' | '˜' | '=' | '%' => { - special = true; - } - _ => continue, - } - } - - if !special { - EscapeStyle::None - } else if newline && !single_quote { - EscapeStyle::SingleQuoted - } else { - EscapeStyle::Mixed - } -} - -/// Escapes special characters in a string, so that it will retain its literal -/// meaning when used as a part of command in Unix shell. -/// -/// It tries to avoid introducing any unnecessary quotes or escape characters, -/// but specifics regarding quoting style are left unspecified. -pub fn quote(s: &str) -> Cow<str> { - // We are going somewhat out of the way to provide - // minimal amount of quoting in typical cases. - match escape_style(s) { - EscapeStyle::None => s.into(), - EscapeStyle::SingleQuoted => format!("'{}'", s).into(), - EscapeStyle::Mixed => { - let mut quoted = String::new(); - quoted.push('\''); - for c in s.chars() { - if c == '\'' { - quoted.push_str("'\\''"); - } else { - quoted.push(c); - } - } - quoted.push('\''); - quoted.into() - } - } -} - -/// Joins arguments into a single command line suitable for execution in Unix -/// shell. -/// -/// Each argument is quoted using [`quote`] to preserve its literal meaning when -/// parsed by Unix shell. -/// -/// Note: This function is essentially an inverse of [`split`]. -/// -/// # Examples -/// -/// Logging executed commands in format that can be easily copied and pasted -/// into an actual shell: -/// -/// ```rust,no_run -/// fn execute(args: &[&str]) { -/// use std::process::Command; -/// println!("Executing: {}", shell_words::join(args)); -/// Command::new(&args[0]) -/// .args(&args[1..]) -/// .spawn() -/// .expect("failed to start subprocess") -/// .wait() -/// .expect("failed to wait for subprocess"); -/// } -/// -/// execute(&["python", "-c", "print('Hello world!')"]); -/// ``` -/// -/// [`quote`]: fn.quote.html -/// [`split`]: fn.split.html -pub fn join<I, S>(words: I) -> String -where - I: IntoIterator<Item = S>, - S: AsRef<str>, -{ - let mut line = words.into_iter().fold(String::new(), |mut line, word| { - let quoted = quote(word.as_ref()); - line.push_str(quoted.as_ref()); - line.push(' '); - line - }); - line.pop(); - line -} - -#[cfg(test)] -mod tests { - use super::*; - - fn split_ok(cases: &[(&str, &[&str])]) { - for &(input, expected) in cases { - match split(input) { - Err(actual) => { - panic!( - "After split({:?})\nexpected: Ok({:?})\n actual: Err({:?})\n", - input, expected, actual - ); - } - Ok(actual) => { - assert!( - expected == actual.as_slice(), - "After split({:?}).unwrap()\nexpected: {:?}\n actual: {:?}\n", - input, - expected, - actual - ); - } - } - } - } - - #[test] - fn split_empty() { - split_ok(&[("", &[])]); - } - - #[test] - fn split_initial_whitespace_is_removed() { - split_ok(&[ - (" a", &["a"]), - ("\t\t\t\tbar", &["bar"]), - ("\t \nc", &["c"]), - ]); - } - - #[test] - fn split_trailing_whitespace_is_removed() { - split_ok(&[ - ("a ", &["a"]), - ("b\t", &["b"]), - ("c\t \n \n \n", &["c"]), - ("d\n\n", &["d"]), - ]); - } - - #[test] - fn split_carriage_return_is_not_special() { - split_ok(&[("c\ra\r'\r'\r", &["c\ra\r\r\r"])]); - } - - #[test] - fn split_single_quotes() { - split_ok(&[ - (r#"''"#, &[r#""#]), - (r#"'a'"#, &[r#"a"#]), - (r#"'\'"#, &[r#"\"#]), - (r#"' \ '"#, &[r#" \ "#]), - (r#"'#'"#, &[r#"#"#]), - ]); - } - - #[test] - fn split_double_quotes() { - split_ok(&[ - (r#""""#, &[""]), - (r#""""""#, &[""]), - (r#""a b c' d""#, &["a b c' d"]), - (r#""\a""#, &["\\a"]), - (r#""$""#, &["$"]), - (r#""\$""#, &["$"]), - (r#""`""#, &["`"]), - (r#""\`""#, &["`"]), - (r#""\"""#, &["\""]), - (r#""\\""#, &["\\"]), - ("\"\n\"", &["\n"]), - ("\"\\\n\"", &[""]), - ]); - } - - #[test] - fn split_unquoted() { - split_ok(&[ - (r#"\|\&\;"#, &[r#"|&;"#]), - (r#"\<\>"#, &[r#"<>"#]), - (r#"\(\)"#, &[r#"()"#]), - (r#"\$"#, &[r#"$"#]), - (r#"\`"#, &[r#"`"#]), - (r#"\""#, &[r#"""#]), - (r#"\'"#, &[r#"'"#]), - ("\\\n", &[]), - (" \\\n \n", &[]), - ("a\nb\nc", &["a", "b", "c"]), - ("a\\\nb\\\nc", &["abc"]), - ("foo bar baz", &["foo", "bar", "baz"]), - (r#"\🦉"#, &[r"🦉"]), - ]); - } - - #[test] - fn split_trailing_backslash() { - split_ok(&[("\\", &["\\"]), (" \\", &["\\"]), ("a\\", &["a\\"])]); - } - - #[test] - fn split_errors() { - assert_eq!(split("'abc"), Err(ParseError)); - assert_eq!(split("\""), Err(ParseError)); - assert_eq!(split("'\\"), Err(ParseError)); - assert_eq!(split("'\\"), Err(ParseError)); - } - - #[test] - fn split_comments() { - split_ok(&[ - (r#" x # comment "#, &["x"]), - (r#" w1#w2 "#, &["w1#w2"]), - (r#"'not really a # comment'"#, &["not really a # comment"]), - (" a # very long comment \n b # another comment", &["a", "b"]), - ]); - } - - #[test] - fn test_quote() { - assert_eq!(quote(""), "''"); - assert_eq!(quote("'"), "''\\'''"); - assert_eq!(quote("abc"), "abc"); - assert_eq!(quote("a \n b"), "'a \n b'"); - assert_eq!(quote("X'\nY"), "'X'\\''\nY'"); - } - - #[test] - fn test_join() { - assert_eq!(join(&["a", "b", "c"]), "a b c"); - assert_eq!(join(&[" ", "$", "\n"]), "' ' '$' '\n'"); - } - - #[test] - fn join_followed_by_split_is_identity() { - let cases: Vec<&[&str]> = vec![ - &["a"], - &["python", "-c", "print('Hello world!')"], - &["echo", " arg with spaces ", "arg \' with \" quotes"], - &["even newlines are quoted correctly\n", "\n", "\n\n\t "], - &["$", "`test`"], - &["cat", "~user/log*"], - &["test", "'a \"b", "\"X'"], - &["empty", "", "", ""], - ]; - for argv in cases { - let args = join(argv); - assert_eq!(split(&args).unwrap(), argv); - } - } -} |