| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.drill.exec.store.easy.json.parser; |
| |
| /** |
| * Parser for a JSON element. Parsers are structured in a hierarchy: |
| * <ul> |
| * <li>Root - handles top-level objects and arrays, as well as EOF |
| * detection.</li> |
| * <li>Object - Parses {@code field: value} pairs.</li> |
| * <li>Value - Parses a value, which may be an array or an object.</li> |
| * <li>Array - Nested within a Value; parses one level of an array. |
| * Its children are Values (which may contain more array levels.</li> |
| * <li> |
| * JSON is completely generic; the element parsers handle JSON's full |
| * flexibility. Listeners attached to each parser determine if the |
| * actual value in any position makes sense for the structure being |
| * parsed. |
| */ |
| public interface ElementParser { |
| void parse(TokenIterator tokenizer); |
| } |
