119 lines
3.1 KiB
Rust
119 lines
3.1 KiB
Rust
#![cfg(not(feature = "no_object"))]
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use crate::engine::OP_EQUALS;
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use crate::plugin::*;
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use crate::{def_package, Dynamic, ImmutableString, Map, RhaiResultOf, INT};
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#[cfg(feature = "no_std")]
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use std::prelude::v1::*;
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#[cfg(not(feature = "no_index"))]
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use crate::Array;
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def_package! {
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/// Package of basic object map utilities.
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crate::BasicMapPackage => |lib| {
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lib.standard = true;
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combine_with_exported_module!(lib, "map", map_functions);
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}
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}
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#[export_module]
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mod map_functions {
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#[rhai_fn(pure)]
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pub fn len(map: &mut Map) -> INT {
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map.len() as INT
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}
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pub fn clear(map: &mut Map) {
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if !map.is_empty() {
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map.clear();
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}
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}
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pub fn remove(map: &mut Map, name: ImmutableString) -> Dynamic {
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if !map.is_empty() {
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map.remove(name.as_str()).unwrap_or_else(|| Dynamic::UNIT)
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} else {
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Dynamic::UNIT
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}
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}
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#[rhai_fn(name = "mixin", name = "+=")]
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pub fn mixin(map: &mut Map, map2: Map) {
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if !map2.is_empty() {
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map.extend(map2.into_iter());
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}
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}
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#[rhai_fn(name = "+")]
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pub fn merge(map1: Map, map2: Map) -> Map {
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if map2.is_empty() {
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map1
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} else if map1.is_empty() {
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map2
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} else {
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let mut map1 = map1;
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map1.extend(map2.into_iter());
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map1
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}
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}
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pub fn fill_with(map: &mut Map, map2: Map) {
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if !map2.is_empty() {
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if map.is_empty() {
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*map = map2;
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} else {
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map2.into_iter().for_each(|(key, value)| {
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map.entry(key).or_insert(value);
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});
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}
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}
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}
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#[rhai_fn(name = "==", return_raw, pure)]
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pub fn equals(ctx: NativeCallContext, map1: &mut Map, map2: Map) -> RhaiResultOf<bool> {
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if map1.len() != map2.len() {
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return Ok(false);
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}
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if !map1.is_empty() {
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let mut map2 = map2;
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for (m1, v1) in map1.iter_mut() {
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if let Some(v2) = map2.get_mut(m1) {
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let equals = ctx
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.call_fn_raw(OP_EQUALS, true, false, &mut [v1, v2])?
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.as_bool()
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.unwrap_or(false);
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if !equals {
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return Ok(false);
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}
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} else {
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return Ok(false);
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}
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}
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}
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Ok(true)
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}
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#[rhai_fn(name = "!=", return_raw, pure)]
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pub fn not_equals(ctx: NativeCallContext, map1: &mut Map, map2: Map) -> RhaiResultOf<bool> {
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equals(ctx, map1, map2).map(|r| !r)
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}
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#[cfg(not(feature = "no_index"))]
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#[rhai_fn(pure)]
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pub fn keys(map: &mut Map) -> Array {
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if map.is_empty() {
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Array::new()
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} else {
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map.keys().cloned().map(Into::into).collect()
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}
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}
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#[cfg(not(feature = "no_index"))]
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#[rhai_fn(pure)]
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pub fn values(map: &mut Map) -> Array {
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if map.is_empty() {
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Array::new()
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} else {
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map.values().cloned().collect()
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}
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}
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}
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