forked from extern/nushell
90 lines
1.9 KiB
Rust
90 lines
1.9 KiB
Rust
pub mod commands;
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pub mod fs;
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pub mod macros;
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pub mod playground;
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pub struct Outcome {
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pub out: String,
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pub err: String,
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}
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#[cfg(windows)]
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pub const NATIVE_PATH_ENV_VAR: &str = "Path";
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#[cfg(not(windows))]
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pub const NATIVE_PATH_ENV_VAR: &str = "PATH";
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#[cfg(windows)]
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pub const NATIVE_PATH_ENV_SEPARATOR: char = ';';
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#[cfg(not(windows))]
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pub const NATIVE_PATH_ENV_SEPARATOR: char = ':';
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impl Outcome {
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pub fn new(out: String, err: String) -> Outcome {
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Outcome { out, err }
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}
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}
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pub fn pipeline(commands: &str) -> String {
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commands
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.trim()
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.lines()
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.map(|line| line.trim())
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.collect::<Vec<&str>>()
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.join(" ")
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.trim_end()
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.to_string()
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}
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pub fn nu_repl_code(source_lines: &[&str]) -> String {
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let mut out = String::from("nu --testbin=nu_repl [ ");
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for line in source_lines.iter() {
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// convert each "line" to really be a single line to prevent nu! macro joining the newlines
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// with ';'
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let line = pipeline(line);
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out.push('`');
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out.push_str(&line);
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out.push('`');
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out.push(' ');
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}
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out.push(']');
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out
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}
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pub fn shell_os_paths() -> Vec<std::path::PathBuf> {
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let mut original_paths = vec![];
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if let Some(paths) = std::env::var_os(NATIVE_PATH_ENV_VAR) {
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original_paths = std::env::split_paths(&paths).collect::<Vec<_>>();
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}
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original_paths
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}
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#[cfg(test)]
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mod tests {
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use super::pipeline;
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#[test]
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fn constructs_a_pipeline() {
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let actual = pipeline(
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r#"
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open los_tres_amigos.txt
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| from-csv
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| get rusty_luck
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| into int
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| math sum
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| echo "$it"
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"#,
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);
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assert_eq!(
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actual,
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r#"open los_tres_amigos.txt | from-csv | get rusty_luck | into int | math sum | echo "$it""#
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);
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}
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}
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