105 lines
3.1 KiB
Rust
105 lines
3.1 KiB
Rust
use inflector::cases::camelcase::to_camel_case;
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use nu_protocol::ast::Call;
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use nu_protocol::engine::{Command, EngineState, Stack};
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use nu_protocol::{
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Category, Example, PipelineData, ShellError, Signature, Span, SyntaxShape, Value,
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};
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use crate::operate;
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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 camel-case"
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}
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fn signature(&self) -> Signature {
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Signature::build("str camel-case")
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.rest(
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"rest",
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SyntaxShape::CellPath,
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"optionally convert text to camelCase by column paths",
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)
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.category(Category::Strings)
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}
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fn usage(&self) -> &str {
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"Convert a string to camelCase"
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}
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fn search_terms(&self) -> Vec<&str> {
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vec!["convert", "style", "caps", "convention"]
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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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operate(engine_state, stack, call, input, &to_camel_case)
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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: "convert a string to camelCase",
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example: " 'NuShell' | str camel-case",
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result: Some(Value::String {
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val: "nuShell".to_string(),
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span: Span::test_data(),
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}),
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},
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Example {
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description: "convert a string to camelCase",
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example: "'this-is-the-first-case' | str camel-case",
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result: Some(Value::String {
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val: "thisIsTheFirstCase".to_string(),
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span: Span::test_data(),
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}),
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},
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Example {
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description: "convert a string to camelCase",
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example: " 'this_is_the_second_case' | str camel-case",
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result: Some(Value::String {
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val: "thisIsTheSecondCase".to_string(),
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span: Span::test_data(),
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}),
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},
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Example {
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description: "convert a column from a table to camelCase",
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example: r#"[[lang, gems]; [nu_test, 100]] | str camel-case lang"#,
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result: Some(Value::List {
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vals: vec![Value::Record {
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span: Span::test_data(),
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cols: vec!["lang".to_string(), "gems".to_string()],
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vals: vec![
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Value::String {
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val: "nuTest".to_string(),
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span: Span::test_data(),
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},
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Value::test_int(100),
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],
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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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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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