Add bits or and bits xor command (#6190)

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Justin Ma 2022-07-31 02:26:37 +08:00 committed by GitHub
parent 0e2c888f73
commit 6a4eabf5c7
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6 changed files with 238 additions and 2 deletions

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@ -1,7 +1,11 @@
mod and;
mod bits_;
mod not;
mod or;
mod xor;
pub use and::SubCommand as BitsAnd;
pub use bits_::Bits;
pub use not::SubCommand as BitsNot;
pub use or::SubCommand as BitsOr;
pub use xor::SubCommand as BitsXor;

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@ -39,7 +39,7 @@ impl Command for SubCommand {
}
fn usage(&self) -> &str {
"performs logical negation on each bit"
"Performs logical negation on each bit"
}
fn search_terms(&self) -> Vec<&str> {

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@ -0,0 +1,100 @@
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EngineState, Stack};
use nu_protocol::{
Category, Example, PipelineData, ShellError, Signature, Span, SyntaxShape, Value,
};
#[derive(Clone)]
pub struct SubCommand;
impl Command for SubCommand {
fn name(&self) -> &str {
"bits or"
}
fn signature(&self) -> Signature {
Signature::build("bits or")
.required(
"target",
SyntaxShape::Int,
"target integer to perform bit or",
)
.category(Category::Bits)
}
fn usage(&self) -> &str {
"Performs bitwise or for integers"
}
fn search_terms(&self) -> Vec<&str> {
vec!["logic or"]
}
fn run(
&self,
engine_state: &EngineState,
stack: &mut Stack,
call: &Call,
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let head = call.head;
let target: i64 = call.req(engine_state, stack, 0)?;
input.map(
move |value| operate(value, target, head),
engine_state.ctrlc.clone(),
)
}
fn examples(&self) -> Vec<Example> {
vec![
Example {
description: "Apply bits or to two numbers",
example: "2 | bits or 6",
result: Some(Value::Int {
val: 6,
span: Span::test_data(),
}),
},
Example {
description: "Apply logical or to a list of numbers",
example: "[8 3 2] | bits or 2",
result: Some(Value::List {
vals: vec![Value::test_int(10), Value::test_int(3), Value::test_int(2)],
span: Span::test_data(),
}),
},
]
}
}
fn operate(value: Value, target: i64, head: Span) -> Value {
match value {
Value::Int { val, span } => Value::Int {
val: val | target,
span,
},
other => Value::Error {
error: ShellError::UnsupportedInput(
format!(
"Only integer values are supported, input type: {:?}",
other.get_type()
),
other.span().unwrap_or(head),
),
},
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_examples() {
use crate::test_examples;
test_examples(SubCommand {})
}
}

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@ -0,0 +1,100 @@
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EngineState, Stack};
use nu_protocol::{
Category, Example, PipelineData, ShellError, Signature, Span, SyntaxShape, Value,
};
#[derive(Clone)]
pub struct SubCommand;
impl Command for SubCommand {
fn name(&self) -> &str {
"bits xor"
}
fn signature(&self) -> Signature {
Signature::build("bits xor")
.required(
"target",
SyntaxShape::Int,
"target integer to perform bit xor",
)
.category(Category::Bits)
}
fn usage(&self) -> &str {
"Performs bitwise xor for integers"
}
fn search_terms(&self) -> Vec<&str> {
vec!["logic xor"]
}
fn run(
&self,
engine_state: &EngineState,
stack: &mut Stack,
call: &Call,
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let head = call.head;
let target: i64 = call.req(engine_state, stack, 0)?;
input.map(
move |value| operate(value, target, head),
engine_state.ctrlc.clone(),
)
}
fn examples(&self) -> Vec<Example> {
vec![
Example {
description: "Apply bits xor to two numbers",
example: "2 | bits xor 2",
result: Some(Value::Int {
val: 0,
span: Span::test_data(),
}),
},
Example {
description: "Apply logical xor to a list of numbers",
example: "[8 3 2] | bits xor 2",
result: Some(Value::List {
vals: vec![Value::test_int(10), Value::test_int(1), Value::test_int(0)],
span: Span::test_data(),
}),
},
]
}
}
fn operate(value: Value, target: i64, head: Span) -> Value {
match value {
Value::Int { val, span } => Value::Int {
val: val ^ target,
span,
},
other => Value::Error {
error: ShellError::UnsupportedInput(
format!(
"Only integer values are supported, input type: {:?}",
other.get_type()
),
other.span().unwrap_or(head),
),
},
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_examples() {
use crate::test_examples;
test_examples(SubCommand {})
}
}

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@ -212,6 +212,8 @@ pub fn create_default_context() -> EngineState {
Bits,
BitsAnd,
BitsNot,
BitsOr,
BitsXor,
}
// Bytes

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@ -12,5 +12,35 @@ fn bits_and_negative() -> TestResult {
#[test]
fn bits_and_list() -> TestResult {
run_test("[1 2 3 8 9 10] | bits and 2 | str collect", "022002")
run_test("[1 2 3 8 9 10] | bits and 2 | str collect '.'", "0.2.2.0.0.2")
}
#[test]
fn bits_or() -> TestResult {
run_test("2 | bits or 3", "3")
}
#[test]
fn bits_or_negative() -> TestResult {
run_test("-3 | bits or 5", "-3")
}
#[test]
fn bits_or_list() -> TestResult {
run_test("[1 2 3 8 9 10] | bits or 2 | str collect '.'", "3.2.3.10.11.10")
}
#[test]
fn bits_xor() -> TestResult {
run_test("2 | bits xor 3", "1")
}
#[test]
fn bits_xor_negative() -> TestResult {
run_test("-3 | bits xor 5", "-8")
}
#[test]
fn bits_xor_list() -> TestResult {
run_test("[1 2 3 8 9 10] | bits xor 2 | str collect '.'", "3.0.1.10.11.8")
}