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simplify declaration of opacity fns

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This commit is contained in:
ConnorSkees 2020-04-30 18:54:29 -04:00
parent 3e8b83d8ad
commit 11e0d523b2
1 changed files with 146 additions and 144 deletions
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290
src/builtin/color/opacity.rs
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@ -1,162 +1,164 @@
use super::GlobalFunctionMap;
use super::Builtin;
use crate::args::CallArgs;
use crate::common::QuoteKind;
use crate::error::SassResult;
use crate::scope::Scope;
use crate::selector::Selector;
use crate::unit::Unit;
use crate::value::Number;
use crate::value::Value;
pub(crate) fn register(f: &mut GlobalFunctionMap) {
f.insert(
"alpha",
Builtin::new(|mut args, scope, super_selector| {
args.max_args(1)?;
match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => Ok(Value::Dimension(c.alpha(), Unit::None)),
v => Err((
fn alpha(mut args: CallArgs, scope: &Scope, super_selector: &Selector) -> SassResult<Value> {
args.max_args(1)?;
match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => Ok(Value::Dimension(c.alpha(), Unit::None)),
v => Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into()),
}
}
fn opacity(mut args: CallArgs, scope: &Scope, super_selector: &Selector) -> SassResult<Value> {
args.max_args(1)?;
match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => Ok(Value::Dimension(c.alpha(), Unit::None)),
Value::Dimension(num, unit) => Ok(Value::Ident(
format!("opacity({}{})", num, unit),
QuoteKind::None,
)),
v => Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into()),
}
}
fn opacify(mut args: CallArgs, scope: &Scope, super_selector: &Selector) -> SassResult<Value> {
args.max_args(2)?;
let color = match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => c,
v => {
return Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into()),
.into())
}
}),
);
f.insert(
"opacity",
Builtin::new(|mut args, scope, super_selector| {
args.max_args(1)?;
match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => Ok(Value::Dimension(c.alpha(), Unit::None)),
Value::Dimension(num, unit) => Ok(Value::Ident(
format!("opacity({}{})", num, unit),
QuoteKind::None,
)),
v => Err((
};
let amount = match arg!(args, scope, super_selector, 1, "amount") {
Value::Dimension(n, u) => bound!(args, "amount", n, u, 0, 1),
v => {
return Err((
format!(
"$amount: {} is not a number.",
v.to_css_string(args.span())?
),
args.span(),
)
.into())
}
};
Ok(Value::Color(Box::new(color.fade_in(amount))))
}
fn fade_in(mut args: CallArgs, scope: &Scope, super_selector: &Selector) -> SassResult<Value> {
args.max_args(2)?;
let color = match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => c,
v => {
return Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into()),
.into())
}
}),
);
f.insert(
"opacify",
Builtin::new(|mut args, scope, super_selector| {
args.max_args(2)?;
let color = match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => c,
v => {
return Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into())
}
};
let amount = match arg!(args, scope, super_selector, 1, "amount") {
Value::Dimension(n, u) => bound!(args, "amount", n, u, 0, 1),
v => {
return Err((
format!(
"$amount: {} is not a number.",
v.to_css_string(args.span())?
),
args.span(),
)
.into())
}
};
Ok(Value::Color(Box::new(color.fade_in(amount))))
}),
);
f.insert(
"fade-in",
Builtin::new(|mut args, scope, super_selector| {
args.max_args(2)?;
let color = match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => c,
v => {
return Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into())
}
};
let amount = match arg!(args, scope, super_selector, 1, "amount") {
Value::Dimension(n, u) => bound!(args, "amount", n, u, 0, 1),
v => {
return Err((
format!(
"$amount: {} is not a number.",
v.to_css_string(args.span())?
),
args.span(),
)
.into())
}
};
Ok(Value::Color(Box::new(color.fade_in(amount))))
}),
);
f.insert(
"transparentize",
Builtin::new(|mut args, scope, super_selector| {
args.max_args(2)?;
let color = match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => c,
v => {
return Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into())
}
};
let amount = match arg!(args, scope, super_selector, 1, "amount") {
Value::Dimension(n, u) => bound!(args, "amount", n, u, 0, 1),
v => {
return Err((
format!(
"$amount: {} is not a number.",
v.to_css_string(args.span())?
),
args.span(),
)
.into())
}
};
Ok(Value::Color(Box::new(color.fade_out(amount))))
}),
);
f.insert(
"fade-out",
Builtin::new(|mut args, scope, super_selector| {
args.max_args(2)?;
let color = match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => c,
v => {
return Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into())
}
};
let amount = match arg!(args, scope, super_selector, 1, "amount") {
Value::Dimension(n, u) => bound!(args, "amount", n, u, 0, 1),
v => {
return Err((
format!(
"$amount: {} is not a number.",
v.to_css_string(args.span())?
),
args.span(),
)
.into())
}
};
Ok(Value::Color(Box::new(color.fade_out(amount))))
}),
);
};
let amount = match arg!(args, scope, super_selector, 1, "amount") {
Value::Dimension(n, u) => bound!(args, "amount", n, u, 0, 1),
v => {
return Err((
format!(
"$amount: {} is not a number.",
v.to_css_string(args.span())?
),
args.span(),
)
.into())
}
};
Ok(Value::Color(Box::new(color.fade_in(amount))))
}
fn transparentize(
mut args: CallArgs,
scope: &Scope,
super_selector: &Selector,
) -> SassResult<Value> {
args.max_args(2)?;
let color = match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => c,
v => {
return Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into())
}
};
let amount = match arg!(args, scope, super_selector, 1, "amount") {
Value::Dimension(n, u) => bound!(args, "amount", n, u, 0, 1),
v => {
return Err((
format!(
"$amount: {} is not a number.",
v.to_css_string(args.span())?
),
args.span(),
)
.into())
}
};
Ok(Value::Color(Box::new(color.fade_out(amount))))
}
fn fade_out(mut args: CallArgs, scope: &Scope, super_selector: &Selector) -> SassResult<Value> {
args.max_args(2)?;
let color = match arg!(args, scope, super_selector, 0, "color") {
Value::Color(c) => c,
v => {
return Err((
format!("$color: {} is not a color.", v.to_css_string(args.span())?),
args.span(),
)
.into())
}
};
let amount = match arg!(args, scope, super_selector, 1, "amount") {
Value::Dimension(n, u) => bound!(args, "amount", n, u, 0, 1),
v => {
return Err((
format!(
"$amount: {} is not a number.",
v.to_css_string(args.span())?
),
args.span(),
)
.into())
}
};
Ok(Value::Color(Box::new(color.fade_out(amount))))
}
f.insert("alpha", Builtin::new(alpha));
f.insert("opacity", Builtin::new(opacity));
f.insert("opacify", Builtin::new(opacify));
f.insert("fade-in", Builtin::new(fade_in));
f.insert("transparentize", Builtin::new(transparentize));
f.insert("fade-out", Builtin::new(fade_out));
}