/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package dev.metaschema.core.metapath.cst.path;
   
   import java.util.List;
   
  import dev.metaschema.core.metapath.IExpression;
  import dev.metaschema.core.metapath.cst.ExpressionUtils;
  import dev.metaschema.core.metapath.item.node.INodeItem;
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  /**
   * A base class for Metapath expressions based on the XPath 3.1
   * <a href= "https://www.w3.org/TR/xpath-31/#id-path-operator">path
   * operator</a>.
   */
  public abstract class AbstractRootPathExpression
      extends AbstractSearchPathExpression {
    @NonNull
    private final IExpression expression;
  
    /**
     * Construct a new relative path expression of "/expression".
     *
     * @param text
     *          the parsed text of the expression
     * @param expression
     *          the path expression to evaluate from the root
     */
    @SuppressWarnings("null")
    public AbstractRootPathExpression(
        @NonNull String text,
        @NonNull IExpression expression) {
      super(text, ExpressionUtils.analyzeStaticResultType(INodeItem.class, List.of(expression)));
      this.expression = expression;
    }
  
    /**
     * Get the path expression.
     *
     * @return the expression
     */
    @NonNull
    public IExpression getExpression() {
      return expression;
    }
  
    @SuppressWarnings("null")
    @Override
    public List<? extends IExpression> getChildren() {
      return List.of(expression);
    }
  }