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# Description This PR allows the tab character to be retained when using `find`. ### Before  ### After  closes #13846 # User-Facing Changes <!-- List of all changes that impact the user experience here. This helps us keep track of breaking changes. --> # Tests + Formatting <!-- Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass (on Windows make sure to [enable developer mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging)) - `cargo run -- -c "use toolkit.nu; toolkit test stdlib"` to run the tests for the standard library > **Note** > from `nushell` you can also use the `toolkit` as follows > ```bash > use toolkit.nu # or use an `env_change` hook to activate it automatically > toolkit check pr > ``` --> # After Submitting <!-- If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date. -->
84 lines
2.9 KiB
Rust
84 lines
2.9 KiB
Rust
use std::borrow::Cow;
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/// Removes ANSI escape codes and some ASCII control characters
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///
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/// Optimized for strings that rarely contain ANSI control chars.
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/// Uses fast search to avoid reallocations.
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///
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/// Keeps `\n` removes `\r`, `\t` etc.
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///
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/// If parsing fails silently returns the input string
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pub fn strip_ansi_unlikely(string: &str) -> Cow<str> {
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// Check if any ascii control character except LF(0x0A = 10) is present,
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// which will be stripped. Includes the primary start of ANSI sequences ESC
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// (0x1B = decimal 27)
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if string.bytes().any(|x| matches!(x, 0..=9 | 11..=31)) {
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if let Ok(stripped) = String::from_utf8(strip_ansi_escapes::strip(string)) {
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return Cow::Owned(stripped);
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}
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}
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// Else case includes failures to parse!
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Cow::Borrowed(string)
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}
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/// Removes ANSI escape codes and some ASCII control characters
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///
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/// Optimized for strings that likely contain ANSI control chars.
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///
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/// Keeps `\n` removes `\r`, `\t` etc.
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///
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/// If parsing fails silently returns the input string
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pub fn strip_ansi_likely(string: &str) -> Cow<str> {
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// Check if any ascii control character except LF(0x0A = 10) is present,
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// which will be stripped. Includes the primary start of ANSI sequences ESC
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// (0x1B = decimal 27)
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if let Ok(stripped) = String::from_utf8(strip_ansi_escapes::strip(string)) {
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return Cow::Owned(stripped);
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}
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// Else case includes failures to parse!
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Cow::Borrowed(string)
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}
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/// Removes ANSI escape codes and some ASCII control characters
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///
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/// Optimized for strings that rarely contain ANSI control chars.
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/// Uses fast search to avoid reallocations.
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///
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/// Keeps `\n` removes `\r`, `\t` etc.
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///
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/// If parsing fails silently returns the input string
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pub fn strip_ansi_string_unlikely(string: String) -> String {
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// Check if any ascii control character except LF(0x0A = 10) is present,
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// which will be stripped. Includes the primary start of ANSI sequences ESC
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// (0x1B = decimal 27)
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if string
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.as_str()
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.bytes()
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.any(|x| matches!(x, 0..=8 | 11..=31))
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{
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if let Ok(stripped) = String::from_utf8(strip_ansi_escapes::strip(&string)) {
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return stripped;
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}
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}
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// Else case includes failures to parse!
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string
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}
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/// Removes ANSI escape codes and some ASCII control characters
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///
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/// Optimized for strings that likely contain ANSI control chars.
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///
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/// Keeps `\n` removes `\r`, `\t` etc.
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///
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/// If parsing fails silently returns the input string
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pub fn strip_ansi_string_likely(string: String) -> String {
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// Check if any ascii control character except LF(0x0A = 10) is present,
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// which will be stripped. Includes the primary start of ANSI sequences ESC
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// (0x1B = decimal 27)
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if let Ok(stripped) = String::from_utf8(strip_ansi_escapes::strip(&string)) {
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return stripped;
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}
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// Else case includes failures to parse!
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string
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}
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