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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/mozbase/rust/mozdevice/src/shell.rs | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/mozbase/rust/mozdevice/src/shell.rs')
-rw-r--r-- | testing/mozbase/rust/mozdevice/src/shell.rs | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/testing/mozbase/rust/mozdevice/src/shell.rs b/testing/mozbase/rust/mozdevice/src/shell.rs new file mode 100644 index 0000000000..55a71c41d5 --- /dev/null +++ b/testing/mozbase/rust/mozdevice/src/shell.rs @@ -0,0 +1,66 @@ +// Copyright (c) 2017 Jimmy Cuadra +// +// 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. + +use regex::Regex; + +/// Escapes a string so it will be interpreted as a single word by the UNIX Bourne shell. +/// +/// If the input string is empty, this function returns an empty quoted string. +pub fn escape(input: &str) -> String { + // Stolen from + // https://docs.rs/shellwords/1.0.0/src/shellwords/lib.rs.html#24-37. + // Added space to the pattern to exclude spaces from being escaped + // which can cause problems when combining strings to form a full + // command. + let escape_pattern: Regex = Regex::new(r"([^A-Za-z0-9_\-.,:/@ \n])").unwrap(); + + if input.is_empty() { + return "''".to_owned(); + } + + let output = &escape_pattern.replace_all(input, "\\$1"); + + output.replace("'\n'", r"\n") +} + +#[cfg(test)] +mod tests { + use super::escape; + + #[test] + fn empty_escape() { + assert_eq!(escape(""), "''"); + } + + #[test] + fn full_escape() { + assert_eq!(escape("foo '\"' bar"), "foo \\'\\\"\\' bar"); + } + + #[test] + fn escape_multibyte() { + assert_eq!(escape("あい"), "\\あ\\い"); + } + + #[test] + fn escape_newline() { + assert_eq!(escape(r"'\n'"), "\\\'\\\\n\\\'"); + } +} |