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nu_plugin_match: accept -i -m -s flags (#3111)

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Saeed Rasooli 2021-02-26 22:11:22 +03:30 committed by GitHub
parent 120e80d1b6
commit 596608aa0c
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1 changed files with 27 additions and 1 deletions
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28
crates/nu_plugin_match/src/nu/mod.rs
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@ -13,10 +13,24 @@ impl Plugin for Match {
.desc("Filter rows by Regex pattern")
.required("member", SyntaxShape::String, "the column name to match")
.required("regex", SyntaxShape::String, "the regex to match with")
.switch("insensitive", "case-insensitive search", Some('i'))
.switch(
"multiline",
"multi-line mode: ^ and $ match begin/end of line",
Some('m'),
)
.switch(
"dotall",
"dotall mode: allow a dot . to match newline character \\n",
Some('s'),
)
.filter())
}
fn begin_filter(&mut self, call_info: CallInfo) -> Result<Vec<ReturnValue>, ShellError> {
let insensitive = call_info.args.has("insensitive");
let multiline = call_info.args.has("multiline");
let dotall = call_info.args.has("dotall");
if let Some(args) = call_info.args.positional {
match &args[0] {
Value {
@ -33,12 +47,23 @@ impl Plugin for Match {
));
}
}
let flags = match (insensitive, multiline, dotall) {
(false, false, false) => "",
(true, false, false) => "(?i)",
(false, true, false) => "(?m)",
(false, false, true) => "(?s)",
(true, true, false) => "(?im)",
(true, false, true) => "(?is)",
(false, true, true) => "(?ms)",
(true, true, true) => "(?ims)",
}
.to_owned();
match &args[1] {
Value {
value: UntaggedValue::Primitive(Primitive::String(s)),
tag,
} => {
self.regex = Regex::new(s).map_err(|_| {
self.regex = Regex::new(&(flags + s)).map_err(|_| {
ShellError::labeled_error(
"Internal error while creating regex",
"internal error created by pattern",
@ -55,6 +80,7 @@ impl Plugin for Match {
}
}
}
Ok(vec![])
}