1 files changed, 66 insertions, 0 deletions
diff --git a/vendor/fluent-bundle/src/resolver/expression.rs b/vendor/fluent-bundle/src/resolver/expression.rs
new file mode 100644
index 000000000..d0d02decd
--- /dev/null
+++ b/vendor/fluent-bundle/src/resolver/expression.rs
@@ -0,0 +1,66 @@
+use super::scope::Scope;
+use super::WriteValue;
+
+use std::borrow::Borrow;
+use std::fmt;
+
+use fluent_syntax::ast;
+
+use crate::memoizer::MemoizerKind;
+use crate::resolver::{ResolveValue, ResolverError};
+use crate::resource::FluentResource;
+use crate::types::FluentValue;
+
+impl<'p> WriteValue for ast::Expression<&'p str> {
+    fn write<'scope, 'errors, W, R, M>(
+        &'scope self,
+        w: &mut W,
+        scope: &mut Scope<'scope, 'errors, R, M>,
+    ) -> fmt::Result
+    where
+        W: fmt::Write,
+        R: Borrow<FluentResource>,
+        M: MemoizerKind,
+    {
+        match self {
+            Self::Inline(exp) => exp.write(w, scope),
+            Self::Select { selector, variants } => {
+                let selector = selector.resolve(scope);
+                match selector {
+                    FluentValue::String(_) | FluentValue::Number(_) => {
+                        for variant in variants {
+                            let key = match variant.key {
+                                ast::VariantKey::Identifier { name } => name.into(),
+                                ast::VariantKey::NumberLiteral { value } => {
+                                    FluentValue::try_number(value)
+                                }
+                            };
+                            if key.matches(&selector, scope) {
+                                return variant.value.write(w, scope);
+                            }
+                        }
+                    }
+                    _ => {}
+                }
+
+                for variant in variants {
+                    if variant.default {
+                        return variant.value.write(w, scope);
+                    }
+                }
+                scope.add_error(ResolverError::MissingDefault);
+                Ok(())
+            }
+        }
+    }
+
+    fn write_error<W>(&self, w: &mut W) -> fmt::Result
+    where
+        W: fmt::Write,
+    {
+        match self {
+            Self::Inline(exp) => exp.write_error(w),
+            Self::Select { .. } => unreachable!(),
+        }
+    }
+}