86 lines
2.3 KiB
Rust
86 lines
2.3 KiB
Rust
use nu_protocol::ast::Call;
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use nu_protocol::engine::{Command, EngineState, Stack};
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use nu_protocol::{Category, Example, PipelineData, ShellError, Signature, Span, Value};
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#[derive(Clone)]
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pub struct Debug;
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impl Command for Debug {
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fn name(&self) -> &str {
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"debug"
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}
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fn usage(&self) -> &str {
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"Debug print the value(s) piped in."
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}
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fn signature(&self) -> Signature {
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Signature::build("debug").category(Category::Core).switch(
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"raw",
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"Prints the raw value representation",
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Some('r'),
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)
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}
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fn run(
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&self,
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engine_state: &EngineState,
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_stack: &mut Stack,
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call: &Call,
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input: PipelineData,
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) -> Result<PipelineData, ShellError> {
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let head = call.head;
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let config = engine_state.get_config().clone();
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let raw = call.has_flag("raw");
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input.map(
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move |x| {
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if raw {
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Value::String {
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val: x.debug_value(),
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span: head,
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}
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} else {
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Value::String {
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val: x.debug_string(", ", &config),
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span: head,
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}
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}
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},
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engine_state.ctrlc.clone(),
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)
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}
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fn examples(&self) -> Vec<Example> {
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vec![
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Example {
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description: "Print the value of a string",
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example: "'hello' | debug",
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result: Some(Value::test_string("hello")),
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},
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Example {
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description: "Print the value of a table",
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example: "echo [[version patch]; [0.1.0 false] [0.1.1 true] [0.2.0 false]] | debug",
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result: Some(Value::List {
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vals: vec![
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Value::test_string("{version: 0.1.0, patch: false}"),
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Value::test_string("{version: 0.1.1, patch: true}"),
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Value::test_string("{version: 0.2.0, patch: false}"),
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],
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span: Span::test_data(),
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}),
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},
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]
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}
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}
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#[cfg(test)]
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mod test {
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#[test]
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fn test_examples() {
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use super::Debug;
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use crate::test_examples;
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test_examples(Debug {})
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}
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}
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