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allow into int to convert octal numbers and 0 padded strings (#6053)

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* allow `into int` to convert octal numbers and 0 padded strings

* added some tests in examples
This commit is contained in:
Darren Schroeder 2022-07-15 07:47:33 -05:00 committed by GitHub
parent 58ee2bf06a
commit 1f01677b7b
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2 changed files with 52 additions and 4 deletions
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6
Cargo.lock generated
View File

@ -3168,7 +3168,7 @@ checksum = "decf7381921fea4dcb2549c5667eda59b3ec297ab7e2b5fc33eac69d2e7da87b"
[[package]]
name = "papergrid"
version = "0.4.0"
source = "git+https://github.com/zhiburt/tabled?rev=cca285b1fc0eac48b8a386c8884092d894d0e7ae#cca285b1fc0eac48b8a386c8884092d894d0e7ae"
source = "git+https://github.com/zhiburt/tabled?rev=9c831d5bc5bcd5a7b7a349ce63f746a64bf1c278#9c831d5bc5bcd5a7b7a349ce63f746a64bf1c278"
dependencies = [
"ansi-str 0.1.1",
"bytecount",
@ -4786,7 +4786,7 @@ dependencies = [
[[package]]
name = "tabled"
version = "0.7.0"
source = "git+https://github.com/zhiburt/tabled?rev=cca285b1fc0eac48b8a386c8884092d894d0e7ae#cca285b1fc0eac48b8a386c8884092d894d0e7ae"
source = "git+https://github.com/zhiburt/tabled?rev=9c831d5bc5bcd5a7b7a349ce63f746a64bf1c278#9c831d5bc5bcd5a7b7a349ce63f746a64bf1c278"
dependencies = [
"ansi-str 0.2.0",
"papergrid",
@ -4797,7 +4797,7 @@ dependencies = [
[[package]]
name = "tabled_derive"
version = "0.3.0"
source = "git+https://github.com/zhiburt/tabled?rev=cca285b1fc0eac48b8a386c8884092d894d0e7ae#cca285b1fc0eac48b8a386c8884092d894d0e7ae"
source = "git+https://github.com/zhiburt/tabled?rev=9c831d5bc5bcd5a7b7a349ce63f746a64bf1c278#9c831d5bc5bcd5a7b7a349ce63f746a64bf1c278"
dependencies = [
"heck 0.4.0",
"proc-macro-error",

50
crates/nu-command/src/conversions/into/int.rs
View File

@ -102,6 +102,21 @@ impl Command for SubCommand {
example: "'FF' | into int -r 16",
result: Some(Value::test_int(255)),
},
Example {
description: "Convert octal string to integer",
example: "'0o10132' | into int",
result: Some(Value::test_int(4186)),
},
Example {
description: "Convert 0 padded string to integer",
example: "'0010132' | into int",
result: Some(Value::test_int(10132)),
},
Example {
description: "Convert 0 padded string to integer with radix",
example: "'0010132' | into int -r 8",
result: Some(Value::test_int(4186)),
},
]
}
}
@ -258,11 +273,30 @@ fn convert_int(input: &Value, head: Span, radix: u32) -> Value {
let i = match input {
Value::Int { val, .. } => val.to_string(),
Value::String { val, .. } => {
if val.starts_with("0x") || val.starts_with("0b") {
if val.starts_with("0x") // hex
|| val.starts_with("0b") // binary
|| val.starts_with("0o")
// octal
{
match int_from_string(val, head) {
Ok(x) => return Value::Int { val: x, span: head },
Err(e) => return Value::Error { error: e },
}
} else if val.starts_with("00") {
// It's a padded string
match i64::from_str_radix(val, radix) {
Ok(n) => return Value::Int { val: n, span: head },
Err(e) => {
return Value::Error {
error: ShellError::CantConvert(
"string".to_string(),
"int".to_string(),
head,
Some(e.to_string()),
),
}
}
}
}
val.to_string()
}
@ -316,6 +350,20 @@ fn int_from_string(a_string: &str, span: Span) -> Result<i64, ShellError> {
};
Ok(num)
}
o if o.starts_with("0o") => {
let num = match i64::from_str_radix(o.trim_start_matches("0o"), 8) {
Ok(n) => n,
Err(_reason) => {
return Err(ShellError::CantConvert(
"int".to_string(),
"string".to_string(),
span,
Some(r#"octal digits following "0o" should be in 0-7"#.to_string()),
))
}
};
Ok(num)
}
_ => match trimmed.parse::<i64>() {
Ok(n) => Ok(n),
Err(_) => match a_string.parse::<f64>() {