Remove --predicate flag from find (#7042)

This commit is contained in:
Reilly Wood 2022-11-09 14:15:17 -08:00 committed by GitHub
parent 5ee096232c
commit 14d7ba5cc9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -4,10 +4,10 @@ use fancy_regex::Regex;
use lscolors::{Color as LsColors_Color, LsColors, Style as LsColors_Style};
use nu_ansi_term::{Color, Color::Default, Style};
use nu_color_config::get_color_config;
use nu_engine::{env_to_string, eval_block, CallExt};
use nu_engine::{env_to_string, CallExt};
use nu_protocol::{
ast::Call,
engine::{CaptureBlock, Command, EngineState, Stack},
engine::{Command, EngineState, Stack},
Category, Config, Example, IntoInterruptiblePipelineData, ListStream, PipelineData, ShellError,
Signature, Span, SyntaxShape, Type, Value,
};
@ -37,12 +37,6 @@ impl Command for Find {
Type::Table(vec![]),
),
])
.named(
"predicate",
SyntaxShape::Block(Some(vec![SyntaxShape::Any])),
"the predicate to satisfy",
Some('p'),
)
.named(
"regex",
SyntaxShape::String,
@ -70,7 +64,7 @@ impl Command for Find {
}
fn usage(&self) -> &str {
"Searches terms in the input or for elements of the input that satisfies the predicate."
"Searches terms in the input."
}
fn examples(&self) -> Vec<Example> {
@ -83,14 +77,14 @@ impl Command for Find {
Example {
description: "Search for a term in a string",
example: r#"'Cargo.toml' | find toml"#,
result: Some(Value::test_string("Cargo.toml".to_owned()))
result: Some(Value::test_string("Cargo.toml".to_owned())),
},
Example {
description: "Search a number or a file size in a list of numbers",
example: r#"[1 5 3kb 4 3Mb] | find 5 3kb"#,
result: Some(Value::List {
vals: vec![Value::test_int(5), Value::test_filesize(3000)],
span: Span::test_data()
span: Span::test_data(),
}),
},
Example {
@ -98,43 +92,30 @@ impl Command for Find {
example: r#"[moe larry curly] | find l"#,
result: Some(Value::List {
vals: vec![Value::test_string("larry"), Value::test_string("curly")],
span: Span::test_data()
})
},
Example {
description: "Find odd values",
example: "[2 4 3 6 5 8] | find --predicate { |it| ($it mod 2) == 1 }",
result: Some(Value::List {
vals: vec![Value::test_int(3), Value::test_int(5)],
span: Span::test_data()
})
},
Example {
description: "Find if a service is not running",
example: "[[version patch]; [0.1.0 false] [0.1.1 true] [0.2.0 false]] | find -p { |it| $it.patch }",
result: Some(Value::List {
vals: vec![Value::test_record(
vec!["version", "patch"],
vec![Value::test_string("0.1.1"), Value::test_bool(true)]
)],
span: Span::test_data()
span: Span::test_data(),
}),
},
Example {
description: "Find using regex",
example: r#"[abc bde arc abf] | find --regex "ab""#,
result: Some(Value::List {
vals: vec![Value::test_string("abc".to_string()), Value::test_string("abf".to_string())],
span: Span::test_data()
})
vals: vec![
Value::test_string("abc".to_string()),
Value::test_string("abf".to_string()),
],
span: Span::test_data(),
}),
},
Example {
description: "Find using regex case insensitive",
example: r#"[aBc bde Arc abf] | find --regex "ab" -i"#,
result: Some(Value::List {
vals: vec![Value::test_string("aBc".to_string()), Value::test_string("abf".to_string())],
span: Span::test_data()
})
vals: vec![
Value::test_string("aBc".to_string()),
Value::test_string("abf".to_string()),
],
span: Span::test_data(),
}),
},
Example {
description: "Find value in records",
@ -142,9 +123,12 @@ impl Command for Find {
result: Some(Value::List {
vals: vec![Value::test_record(
vec!["version", "name"],
vec![Value::test_string("0.1.0"), Value::test_string("nushell".to_string())]
vec![
Value::test_string("0.1.0"),
Value::test_string("nushell".to_string()),
],
)],
span: Span::test_data()
span: Span::test_data(),
}),
},
]
@ -161,19 +145,12 @@ impl Command for Find {
call: &Call,
input: PipelineData,
) -> Result<PipelineData, ShellError> {
let predicate = call.get_flag::<CaptureBlock>(engine_state, stack, "predicate")?;
let regex = call.get_flag::<String>(engine_state, stack, "regex")?;
match (regex, predicate) {
(None, Some(predicate)) => {
find_with_predicate(predicate, engine_state, stack, call, input)
}
(Some(regex), None) => find_with_regex(regex, engine_state, stack, call, input),
(None, None) => find_with_rest_and_highlight(engine_state, stack, call, input),
(Some(_), Some(_)) => Err(ShellError::IncompatibleParametersSingle(
"expected either predicate or regex flag, not both".to_owned(),
call.head,
)),
if let Some(regex) = regex {
find_with_regex(regex, engine_state, stack, call, input)
} else {
find_with_rest_and_highlight(engine_state, stack, call, input)
}
}
}
@ -241,58 +218,6 @@ fn find_with_regex(
)
}
fn find_with_predicate(
predicate: CaptureBlock,
engine_state: &EngineState,
stack: &mut Stack,
call: &Call,
input: PipelineData,
) -> Result<PipelineData, ShellError> {
let span = call.head;
let ctrlc = engine_state.ctrlc.clone();
let metadata = input.metadata();
let redirect_stdout = call.redirect_stdout;
let redirect_stderr = call.redirect_stderr;
let engine_state = engine_state.clone();
let invert = call.has_flag("invert");
let capture_block = predicate;
let block_id = capture_block.block_id;
if !call.rest::<Value>(&engine_state, stack, 0)?.is_empty() {
return Err(ShellError::IncompatibleParametersSingle(
"expected either a predicate or terms, not both".to_owned(),
span,
));
}
let block = engine_state.get_block(block_id).clone();
let var_id = block.signature.get_positional(0).and_then(|arg| arg.var_id);
let mut stack = stack.captures_to_stack(&capture_block.captures);
input.filter(
move |value| {
if let Some(var_id) = var_id {
stack.add_var(var_id, value.clone());
}
eval_block(
&engine_state,
&mut stack,
&block,
PipelineData::new_with_metadata(metadata.clone(), span),
redirect_stdout,
redirect_stderr,
)
.map_or(false, |pipeline_data| {
pipeline_data.into_value(span).is_true() != invert
})
},
ctrlc,
)
}
fn highlight_terms_in_record(
cols: &mut [String],
vals: &mut Vec<Value>,