83 lines
1.9 KiB
Rust
83 lines
1.9 KiB
Rust
use std::{slice::Iter, vec::IntoIter};
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use codemap::Span;
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use crate::{
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common::{Brackets, ListSeparator},
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error::SassResult,
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value::Value,
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};
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub(crate) struct SassMap(Vec<(Value, Value)>);
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impl SassMap {
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pub const fn new() -> SassMap {
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SassMap(Vec::new())
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}
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pub fn get(self, key: &Value, span: Span) -> SassResult<Option<Value>> {
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for (k, v) in self.0 {
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if k.equals(key.clone(), span)?.node.is_true(span)? {
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return Ok(Some(v));
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}
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}
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Ok(None)
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}
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pub fn len(&self) -> usize {
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self.0.len()
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}
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#[allow(dead_code)]
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pub fn remove(&mut self, key: &Value) {
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self.0.retain(|(ref k, ..)| k != key);
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}
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pub fn merge(&mut self, other: SassMap) {
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for (key, value) in other {
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self.insert(key, value);
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}
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}
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pub fn iter(&self) -> Iter<(Value, Value)> {
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self.0.iter()
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}
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pub fn keys(self) -> Vec<Value> {
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self.0.into_iter().map(|(k, ..)| k).collect()
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}
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pub fn values(self) -> Vec<Value> {
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self.0.into_iter().map(|(.., v)| v).collect()
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}
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pub fn entries(self) -> Vec<Value> {
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self.0
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.into_iter()
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.map(|(k, v)| Value::List(vec![k, v], ListSeparator::Space, Brackets::None))
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.collect()
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}
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/// Returns true if the key already exists
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pub fn insert(&mut self, key: Value, value: Value) -> bool {
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for (ref k, ref mut v) in &mut self.0 {
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if k == &key {
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*v = value;
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return true;
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}
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}
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self.0.push((key, value));
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false
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}
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}
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impl IntoIterator for SassMap {
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type Item = (Value, Value);
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type IntoIter = IntoIter<Self::Item>;
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fn into_iter(self) -> Self::IntoIter {
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self.0.into_iter()
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}
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}
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