VariableScope class

An immutable set of runtime variables a surface is rendered against, with convenience methods for interpolating a single string.

Constructors

VariableScope(Map<String, dynamic> variables, [Map<String, String> types = const {}])

const

VariableScope.fromSchemas(List<VariableSchema> schemas, Map<String, dynamic>? cepVars)

Builds a scope by resolving each declared schemas entry against the runtime CEP cepVars payload. The winning value follows the chain CEP payload → fallbackValue → ""; number-typed variables are coerced numerically so they can take part in {{ a + b }} arithmetic.

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

types → Map<String, String>

Type map for arithmetic: "number" entries participate in arithmetic expressions; everything else is plain-substitution only.

final

variables → Map<String, dynamic>

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

resolve(String text) → String

Replaces every {{ … }} token in text. A plain {{ identifier }} is a direct lookup; anything else is evaluated as an arithmetic expression over the scope's number-typed variables (collapsing to "" on any error).

resolveTyped(String text) → Object?

Resolves text to a type-preserving value. See resolveValue.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Constants

empty → const VariableScope

No variables in scope — every placeholder collapses to empty.