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Cut out a function to generate a pharase in the Flags section. (#1930)

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utam0k 2020-06-04 16:09:43 +09:00 committed by GitHub
parent b6f9d0ca58
commit 5dd346094e
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 73 additions and 67 deletions
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140
crates/nu-cli/src/commands/help.rs
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@ -182,8 +182,8 @@ pub fn get_help(cmd: &dyn WholeStreamCommand, registry: &CommandRegistry) -> Str
if !signature.positional.is_empty() || signature.rest_positional.is_some() {
long_desc.push_str("\nParameters:\n");
for positional in signature.positional {
match positional.0 {
for positional in &signature.positional {
match &positional.0 {
PositionalType::Mandatory(name, _m) => {
long_desc.push_str(&format!(" <{}> {}\n", name, positional.1));
}
@ -193,75 +193,12 @@ pub fn get_help(cmd: &dyn WholeStreamCommand, registry: &CommandRegistry) -> Str
}
}
if let Some(rest_positional) = signature.rest_positional {
if let Some(rest_positional) = &signature.rest_positional {
long_desc.push_str(&format!(" ...args: {}\n", rest_positional.1));
}
}
if !signature.named.is_empty() {
long_desc.push_str("\nFlags:\n");
for (flag, ty) in signature.named {
let msg = match ty.0 {
NamedType::Switch(s) => {
if let Some(c) = s {
format!(
" -{}, --{}{} {}\n",
c,
flag,
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
} else {
format!(
" --{}{} {}\n",
flag,
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
}
}
NamedType::Mandatory(s, m) => {
if let Some(c) = s {
format!(
" -{}, --{} <{}> (required parameter){} {}\n",
c,
flag,
m.display(),
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
} else {
format!(
" --{} <{}> (required parameter){} {}\n",
flag,
m.display(),
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
}
}
NamedType::Optional(s, o) => {
if let Some(c) = s {
format!(
" -{}, --{} <{}>{} {}\n",
c,
flag,
o.display(),
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
} else {
format!(
" --{} <{}>{} {}\n",
flag,
o.display(),
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
}
}
};
long_desc.push_str(&msg);
}
long_desc.push_str(&get_flags_section(&signature))
}
let palette = crate::shell::palette::DefaultPalette {};
@ -283,6 +220,75 @@ pub fn get_help(cmd: &dyn WholeStreamCommand, registry: &CommandRegistry) -> Str
long_desc
}
fn get_flags_section(signature: &Signature) -> String {
let mut long_desc = String::new();
long_desc.push_str("\nFlags:\n");
for (flag, ty) in &signature.named {
let msg = match ty.0 {
NamedType::Switch(s) => {
if let Some(c) = s {
format!(
" -{}, --{}{} {}\n",
c,
flag,
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
} else {
format!(
" --{}{} {}\n",
flag,
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
}
}
NamedType::Mandatory(s, m) => {
if let Some(c) = s {
format!(
" -{}, --{} <{}> (required parameter){} {}\n",
c,
flag,
m.display(),
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
} else {
format!(
" --{} <{}> (required parameter){} {}\n",
flag,
m.display(),
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
}
}
NamedType::Optional(s, o) => {
if let Some(c) = s {
format!(
" -{}, --{} <{}>{} {}\n",
c,
flag,
o.display(),
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
} else {
format!(
" --{} <{}>{} {}\n",
flag,
o.display(),
if !ty.1.is_empty() { ":" } else { "" },
ty.1
)
}
}
};
long_desc.push_str(&msg);
}
long_desc
}
#[cfg(test)]
mod tests {
use super::Help;