org.neo4j.cypher.internal.parser.matchers.IdentifierStartMatcher.scala Maven / Gradle / Ivy

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Cypher parser

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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.neo4j.cypher.internal.parser.matchers

class IdentifierStartMatcher extends ScalaCharMatcher("an identifier") {
  protected def matchChar(c: Char): Boolean = Character.isJavaIdentifierStart(c) && Character.getType(c) != Character.CURRENCY_SYMBOL
}

class GlobbedIdentifierStartMatcher extends IdentifierStartMatcher {
  override protected def matchChar(c: Char): Boolean = super.matchChar(c) || '*'.equals(c) || '?'.equals(c)
}