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refactor: Parse, don't validate

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Ed Page 2022-09-01 21:06:39 -05:00 committed by David Peter
parent 3d398b35c3
commit 08c91a116c
1 changed files with 11 additions and 11 deletions
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22
src/bin/bat/clap_app.rs
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@ -152,11 +152,11 @@ pub fn build_app(interactive_output: bool) -> Command<'static> {
.overrides_with("diff-context")
.takes_value(true)
.value_name("N")
.validator(
|n| {
.value_parser(
|n: &str| {
n.parse::<usize>()
.map_err(|_| "must be a number")
.map(|_| ()) // Convert to Result<(), &str>
.map(|_| n.to_owned()) // Convert to Result<String, &str>
.map_err(|e| e.to_string())
}, // Convert to Result<(), String>
)
@ -173,11 +173,11 @@ pub fn build_app(interactive_output: bool) -> Command<'static> {
.overrides_with("tabs")
.takes_value(true)
.value_name("T")
.validator(
|t| {
.value_parser(
|t: &str| {
t.parse::<u32>()
.map_err(|_t| "must be a number")
.map(|_t| ()) // Convert to Result<(), &str>
.map(|_t| t.to_owned()) // Convert to Result<String, &str>
.map_err(|e| e.to_string())
}, // Convert to Result<(), String>
)
@ -208,15 +208,15 @@ pub fn build_app(interactive_output: bool) -> Command<'static> {
.value_name("width")
.hide_short_help(true)
.allow_hyphen_values(true)
.validator(
|t| {
.value_parser(
|t: &str| {
let is_offset = t.starts_with('+') || t.starts_with('-');
t.parse::<i32>()
.map_err(|_e| "must be an offset or number")
.and_then(|v| if v == 0 && !is_offset {
Err("terminal width cannot be zero")
} else {
Ok(())
Ok(t.to_owned())
})
.map_err(|e| e.to_string())
})
@ -400,7 +400,7 @@ pub fn build_app(interactive_output: bool) -> Command<'static> {
.overrides_with("plain")
.overrides_with("number")
// Cannot use claps built in validation because we have to turn off clap's delimiters
.validator(|val| {
.value_parser(|val: &str| {
let mut invalid_vals = val.split(',').filter(|style| {
!&[
"auto",
@ -422,7 +422,7 @@ pub fn build_app(interactive_output: bool) -> Command<'static> {
if let Some(invalid) = invalid_vals.next() {
Err(format!("Unknown style, '{}'", invalid))
} else {
Ok(())
Ok(val.to_owned())
}
})
.help(