/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package dev.metaschema.core.metapath.cst.items;
   
   import dev.metaschema.core.metapath.cst.IExpressionVisitor;
   import dev.metaschema.core.metapath.item.atomic.IStringItem;
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  /**
   * An implementation of the
   * <a href="https://www.w3.org/TR/xpath-31/#id-literals">String Literal
   * Expression</a> supporting the creation of a Metapath constant literal
   * {@link IStringItem}.
   */
  public class StringLiteral
      extends AbstractLiteralExpression<IStringItem> {
    /**
     * Construct a new expression that always returns the same string value.
     *
     * @param text
     *          the parsed text of the expression
     * @param value
     *          the literal value
     */
    public StringLiteral(@NonNull String text, @NonNull String value) {
      super(text, IStringItem.valueOf(removeQuotes(value)));
    }
  
    @Override
    public Class<IStringItem> getBaseResultType() {
      return IStringItem.class;
    }
  
    @SuppressWarnings("null")
    @NonNull
    private static String removeQuotes(@NonNull String value) {
      return value.substring(1, value.length() - 1);
    }
  
    @Override
    public <RESULT, CONTEXT> RESULT accept(IExpressionVisitor<RESULT, CONTEXT> visitor, CONTEXT context) {
      return visitor.visitStringLiteral(this, context);
    }
  }