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simplify declaration of string fns

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This commit is contained in:
ConnorSkees 2020-04-30 18:41:33 -04:00
parent 26aabb42ad
commit 22098ca684
2 changed files with 335 additions and 314 deletions
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1
src/builtin/mod.rs
View File

@ -29,6 +29,7 @@ pub(crate) struct Builtin(
pub fn(CallArgs, &Scope, &Selector) -> SassResult<Value>,
usize,
);
impl Builtin {
pub fn new(body: fn(CallArgs, &Scope, &Selector) -> SassResult<Value>) -> Builtin {
let count = FUNCTION_COUNT.fetch_add(1, Ordering::Relaxed);

110
src/builtin/string.rs
View File

@ -7,14 +7,20 @@ use num_traits::{Signed, ToPrimitive, Zero};
use rand::{distributions::Alphanumeric, thread_rng, Rng};
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, Value};
pub(crate) fn register(f: &mut GlobalFunctionMap) {
f.insert(
"to-upper-case",
Builtin::new(|mut args, scope, super_selector| {
fn to_upper_case(
mut args: CallArgs,
scope: &Scope,
super_selector: &Selector,
) -> SassResult<Value> {
args.max_args(1)?;
match arg!(args, scope, super_selector, 0, "string") {
Value::Ident(mut i, q) => {
@ -30,11 +36,13 @@ pub(crate) fn register(f: &mut GlobalFunctionMap) {
)
.into()),
}
}),
);
f.insert(
"to-lower-case",
Builtin::new(|mut args, scope, super_selector| {
}
fn to_lower_case(
mut args: CallArgs,
scope: &Scope,
super_selector: &Selector,
) -> SassResult<Value> {
args.max_args(1)?;
match arg!(args, scope, super_selector, 0, "string") {
Value::Ident(mut i, q) => {
@ -50,11 +58,13 @@ pub(crate) fn register(f: &mut GlobalFunctionMap) {
)
.into()),
}
}),
);
f.insert(
"str-length",
Builtin::new(|mut args, scope, super_selector| {
}
fn str_length(
mut args: CallArgs,
scope: &Scope,
super_selector: &Selector,
) -> SassResult<Value> {
args.max_args(1)?;
match arg!(args, scope, super_selector, 0, "string") {
Value::Ident(i, _) => Ok(Value::Dimension(
@ -70,11 +80,9 @@ pub(crate) fn register(f: &mut GlobalFunctionMap) {
)
.into()),
}
}),
);
f.insert(
"quote",
Builtin::new(|mut args, scope, super_selector| {
}
fn quote(mut args: CallArgs, scope: &Scope, super_selector: &Selector) -> SassResult<Value> {
args.max_args(1)?;
match arg!(args, scope, super_selector, 0, "string") {
Value::Ident(i, _) => Ok(Value::Ident(i, QuoteKind::Quoted)),
@ -87,11 +95,9 @@ pub(crate) fn register(f: &mut GlobalFunctionMap) {
)
.into()),
}
}),
);
f.insert(
"unquote",
Builtin::new(|mut args, scope, super_selector| {
}
fn unquote(mut args: CallArgs, scope: &Scope, super_selector: &Selector) -> SassResult<Value> {
args.max_args(1)?;
match arg!(args, scope, super_selector, 0, "string") {
i @ Value::Ident(..) => Ok(i.unquote()),
@ -104,11 +110,13 @@ pub(crate) fn register(f: &mut GlobalFunctionMap) {
)
.into()),
}
}),
);
f.insert(
"str-slice",
Builtin::new(|mut args, scope, super_selector| {
}
fn str_slice(
mut args: CallArgs,
scope: &Scope,
super_selector: &Selector,
) -> SassResult<Value> {
args.max_args(3)?;
let (string, quotes) = match arg!(args, scope, super_selector, 0, "string") {
Value::Ident(s, q) => (s, q),
@ -208,11 +216,13 @@ pub(crate) fn register(f: &mut GlobalFunctionMap) {
quotes,
))
}
}),
);
f.insert(
"str-index",
Builtin::new(|mut args, scope, super_selector| {
}
fn str_index(
mut args: CallArgs,
scope: &Scope,
super_selector: &Selector,
) -> SassResult<Value> {
args.max_args(2)?;
let s1 = match arg!(args, scope, super_selector, 0, "string") {
Value::Ident(i, _) => i,
@ -246,11 +256,13 @@ pub(crate) fn register(f: &mut GlobalFunctionMap) {
Some(v) => Value::Dimension(Number::from(v + 1), Unit::None),
None => Value::Null,
})
}),
);
f.insert(
"str-insert",
Builtin::new(|mut args, scope, super_selector| {
}
fn str_insert(
mut args: CallArgs,
scope: &Scope,
super_selector: &Selector,
) -> SassResult<Value> {
args.max_args(3)?;
let (s1, quotes) = match arg!(args, scope, super_selector, 0, "string") {
Value::Ident(i, q) => (i, q),
@ -349,12 +361,10 @@ pub(crate) fn register(f: &mut GlobalFunctionMap) {
};
Ok(Value::Ident(string, quotes))
}),
);
}
#[cfg(feature = "random")]
f.insert(
"unique-id",
Builtin::new(|args, _, _| {
fn unique_id(args: CallArgs, _: &Scope, _: &Selector) -> SassResult<Value> {
args.max_args(0)?;
let mut rng = thread_rng();
let string = std::iter::repeat(())
@ -362,6 +372,16 @@ pub(crate) fn register(f: &mut GlobalFunctionMap) {
.take(7)
.collect();
Ok(Value::Ident(string, QuoteKind::None))
}),
);
}
f.insert("to-upper-case", Builtin::new(to_upper_case));
f.insert("to-lower-case", Builtin::new(to_lower_case));
f.insert("str-length", Builtin::new(str_length));
f.insert("quote", Builtin::new(quote));
f.insert("unquote", Builtin::new(unquote));
f.insert("str-slice", Builtin::new(str_slice));
f.insert("str-index", Builtin::new(str_index));
f.insert("str-insert", Builtin::new(str_insert));
#[cfg(feature = "random")]
f.insert("unique-id", Builtin::new(unique_id));
}