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getopts: allow "-option" and "--option"

This commit is contained in:
Dietmar Maurer 2018-11-17 10:02:35 +01:00
parent 0c9ce2bbf0
commit 7556cab45e
1 changed files with 13 additions and 10 deletions
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13
src/getopts.rs
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@ -16,21 +16,24 @@ fn parse_argument(arg: &str) -> RawArgument {
let length = chars.len(); let length = chars.len();
if length >= 2 && chars[0] == '-' && chars[1] == '-' { if length >= 2 {
if length == 2 { return RawArgument::Separator; } if length == 2 { return RawArgument::Separator; }
for start in 2..length { if chars[0] == '-' {
let first = if chars[1] == '-' { 2 } else { 1 };
for start in first..length {
if chars[start] == '=' { if chars[start] == '=' {
let name: String = chars[2..start].iter().collect(); let name: String = chars[first..start].iter().collect();
let value: String = chars[start+1..length].iter().collect(); let value: String = chars[start+1..length].iter().collect();
return RawArgument::Option { name, value: Some(value) } return RawArgument::Option { name, value: Some(value) }
} }
} }
let name: String = chars[2..].iter().collect(); let name: String = chars[first..].iter().collect();
return RawArgument::Option { name: name, value: None } return RawArgument::Option { name: name, value: None }
}
} }
RawArgument::Argument { value: arg.to_string() } RawArgument::Argument { value: arg.to_string() }