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• nussknacker-scenario-compiler_2.12
• 1.18.0-RC2
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• ExpressionSubstitutor.scala

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pl.touk.nussknacker.engine.expression.ExpressionSubstitutor.scala Maven / Gradle / Ivy

package pl.touk.nussknacker.engine.expression

object ExpressionSubstitutor {

  def substitute(expression: String, substitutions: List[ExpressionSubstitution]): String = {
    if (substitutions.isEmpty) {
      expression
    } else {
      val sortedDesc = substitutions.sortBy(_.position.start).reverse
      sortedDesc
        .foldLeft(new StringBuilder(expression)) { (prev, sub) =>
          prev.replace(sub.position.start, sub.position.end, sub.replacement)
        }
        .toString()
    }
  }

}