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use crate::ast::AstNode;
use crate::ast::BooleanValue;
use crate::ast::EnumValue;
use crate::ast::FloatValue;
use crate::ast::IntValue;
use crate::ast::ListValue;
use crate::ast::NullValue;
use crate::ast::ObjectValue;
use crate::ast::StringValue;
use crate::ast::VariableReference;
use crate::ByteSpan;
use crate::SourceMap;
use crate::SourceSpan;
use inherent::inherent;
/// A GraphQL input value.
///
/// Represents all possible GraphQL value literals as defined
/// in the
/// [Input Values](https://spec.graphql.org/September2025/#sec-Input-Values)
/// section of the spec.
#[derive(Clone, Debug, PartialEq)]
pub enum Value<'src> {
Boolean(BooleanValue<'src>),
Enum(EnumValue<'src>),
Float(FloatValue<'src>),
Int(IntValue<'src>),
List(ListValue<'src>),
Null(NullValue<'src>),
Object(ObjectValue<'src>),
String(StringValue<'src>),
Variable(VariableReference<'src>),
}
#[inherent]
impl AstNode for Value<'_> {
/// See [`AstNode::append_source()`](crate::ast::AstNode::append_source).
pub fn append_source(
&self,
sink: &mut String,
source: Option<&str>,
) {
match self {
Value::Boolean(v) => {
v.append_source(sink, source)
},
Value::Enum(v) => {
v.append_source(sink, source)
},
Value::Float(v) => {
v.append_source(sink, source)
},
Value::Int(v) => {
v.append_source(sink, source)
},
Value::List(v) => {
v.append_source(sink, source)
},
Value::Null(v) => {
v.append_source(sink, source)
},
Value::Object(v) => {
v.append_source(sink, source)
},
Value::String(v) => {
v.append_source(sink, source)
},
Value::Variable(v) => {
v.append_source(sink, source)
},
}
}
/// Returns this value's byte-offset span within the source
/// text.
///
/// The returned [`ByteSpan`] can be resolved to line/column
/// positions via [`source_span()`](Self::source_span) or
/// [`ByteSpan::resolve()`].
pub fn byte_span(&self) -> ByteSpan {
match self {
Self::Boolean(v) => v.span,
Self::Enum(v) => v.span,
Self::Float(v) => v.span,
Self::Int(v) => v.span,
Self::List(v) => v.span,
Self::Null(v) => v.span,
Self::Object(v) => v.span,
Self::String(v) => v.span,
Self::Variable(v) => v.span,
}
}
/// Resolves this value's position to line/column
/// coordinates using the given [`SourceMap`].
///
/// Returns [`None`] if the byte offsets cannot be resolved
/// (e.g. the span was synthetically constructed without
/// valid position data).
pub fn source_span(
&self,
source_map: &SourceMap,
) -> Option<SourceSpan> {
self.byte_span().resolve(source_map)
}
}