# Description The same procedure as for #9778 repeated for records. # User-Facing Changes Commands that directly supported applying their work directly to record fields via cell paths, that worked before #9680 will now work again # Tests + Formatting Tried to limit the need to add new `.allow_variants_without_examples()` by adjusting or adding tests to also use some records with access.
131 lines
4.1 KiB
Rust
131 lines
4.1 KiB
Rust
use nu_cmd_base::input_handler::{operate, CmdArgument};
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use nu_engine::CallExt;
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use nu_protocol::ast::Call;
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use nu_protocol::ast::CellPath;
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use nu_protocol::engine::{Command, EngineState, Stack};
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use nu_protocol::Category;
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use nu_protocol::{Example, PipelineData, ShellError, Signature, Span, SyntaxShape, Type, Value};
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struct Arguments {
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substring: String,
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cell_paths: Option<Vec<CellPath>>,
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case_insensitive: bool,
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}
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impl CmdArgument for Arguments {
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fn take_cell_paths(&mut self) -> Option<Vec<CellPath>> {
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self.cell_paths.take()
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}
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}
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#[derive(Clone)]
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pub struct SubCommand;
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impl Command for SubCommand {
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fn name(&self) -> &str {
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"str ends-with"
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}
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fn signature(&self) -> Signature {
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Signature::build("str ends-with")
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.input_output_types(vec![
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(Type::String, Type::Bool),
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(Type::List(Box::new(Type::String)), Type::List(Box::new(Type::Bool))),
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(Type::Table(vec![]), Type::Table(vec![])),
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(Type::Record(vec![]), Type::Record(vec![])),
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])
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.allow_variants_without_examples(true)
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.vectorizes_over_list(true)
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.required("string", SyntaxShape::String, "the string to match")
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.rest(
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"rest",
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SyntaxShape::CellPath,
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"For a data structure input, check strings at the given cell paths, and replace with result",
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)
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.switch("ignore-case", "search is case insensitive", Some('i'))
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.category(Category::Strings)
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}
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fn usage(&self) -> &str {
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"Check if an input ends with a string."
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}
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fn search_terms(&self) -> Vec<&str> {
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vec!["suffix", "match", "find", "search"]
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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 cell_paths: Vec<CellPath> = call.rest(engine_state, stack, 1)?;
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let cell_paths = (!cell_paths.is_empty()).then_some(cell_paths);
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let args = Arguments {
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substring: call.req::<String>(engine_state, stack, 0)?,
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cell_paths,
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case_insensitive: call.has_flag("ignore-case"),
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};
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operate(action, args, input, call.head, engine_state.ctrlc.clone())
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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: "Checks if string ends with '.rb'",
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example: "'my_library.rb' | str ends-with '.rb'",
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result: Some(Value::test_bool(true)),
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},
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Example {
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description: "Checks if strings end with '.txt'",
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example: "['my_library.rb', 'README.txt'] | str ends-with '.txt'",
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result: Some(Value::test_list(vec![
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Value::test_bool(false),
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Value::test_bool(true),
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])),
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},
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Example {
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description: "Checks if string ends with '.RB', case-insensitive",
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example: "'my_library.rb' | str ends-with -i '.RB'",
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result: Some(Value::test_bool(true)),
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},
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]
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}
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}
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fn action(input: &Value, args: &Arguments, head: Span) -> Value {
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match input {
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Value::String { val: s, .. } => {
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let ends_with = if args.case_insensitive {
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s.to_lowercase().ends_with(&args.substring.to_lowercase())
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} else {
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s.ends_with(&args.substring)
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};
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Value::bool(ends_with, head)
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}
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Value::Error { .. } => input.clone(),
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_ => Value::Error {
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error: Box::new(ShellError::OnlySupportsThisInputType {
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exp_input_type: "string".into(),
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wrong_type: input.get_type().to_string(),
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dst_span: head,
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src_span: input.expect_span(),
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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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use super::*;
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#[test]
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fn test_examples() {
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use crate::test_examples;
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test_examples(SubCommand {})
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}
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}
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