| /*- |
| * 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.sling.query.impl.selector.parser; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class ParserContext { |
| private final List<Selector> selectors = new ArrayList<Selector>(); |
| |
| private final List<SelectorSegment> segments = new ArrayList<SelectorSegment>(); |
| |
| private final List<Attribute> attributes = new ArrayList<Attribute>(); |
| |
| private final List<Modifier> modifiers = new ArrayList<Modifier>(); |
| |
| private char hierarchyOperator; |
| |
| private State state = State.START; |
| |
| private StringBuilder builder = new StringBuilder(); |
| |
| private String type; |
| |
| private String name; |
| |
| private String attributeKey; |
| |
| private String attributeOperator; |
| |
| private String attributeValue; |
| |
| private String currentModifierName; |
| |
| private int parenthesesCount = 0; |
| |
| List<Attribute> getAttributes() { |
| return attributes; |
| } |
| |
| List<Modifier> getModifiers() { |
| return modifiers; |
| } |
| |
| String getType() { |
| return type; |
| } |
| |
| String getName() { |
| return name; |
| } |
| |
| char getHierarchyOperator() { |
| return hierarchyOperator; |
| } |
| |
| public State getState() { |
| return state; |
| } |
| |
| void increaseParentheses() { |
| parenthesesCount++; |
| } |
| |
| int decreaseParentheses() { |
| return --parenthesesCount; |
| } |
| |
| void setType() { |
| type = builder.toString(); |
| builder = new StringBuilder(); |
| } |
| |
| void setName() { |
| name = builder.toString(); |
| builder = new StringBuilder(); |
| } |
| |
| void setAttributeKey() { |
| attributeKey = builder.toString(); |
| builder = new StringBuilder(); |
| } |
| |
| void setAttributeOperator() { |
| attributeOperator = builder.toString(); |
| builder = new StringBuilder(); |
| } |
| |
| void setAttributeValue() { |
| attributeValue = builder.toString(); |
| builder = new StringBuilder(); |
| } |
| |
| void addAttribute() { |
| attributes.add(new Attribute(attributeKey, attributeOperator, attributeValue)); |
| attributeKey = null; |
| attributeOperator = null; |
| attributeValue = null; |
| } |
| |
| void setModifierName() { |
| currentModifierName = builder.toString(); |
| builder = new StringBuilder(); |
| } |
| |
| void addModifier() { |
| Modifier modifier; |
| if (currentModifierName == null) { |
| modifier = new Modifier(builder.toString(), null); |
| } else { |
| modifier = new Modifier(currentModifierName, builder.toString()); |
| currentModifierName = null; |
| } |
| modifiers.add(modifier); |
| builder = new StringBuilder(); |
| } |
| |
| void setState(State state) { |
| this.state = state; |
| } |
| |
| void setHierarchyOperator(char hierarchyOperator) { |
| this.hierarchyOperator = hierarchyOperator; |
| } |
| |
| void finishSelectorSegment() { |
| segments.add(new SelectorSegment(this, segments.isEmpty())); |
| attributes.clear(); |
| modifiers.clear(); |
| hierarchyOperator = ' '; |
| type = null; |
| name = null; |
| } |
| |
| void finishSelector() { |
| selectors.add(new Selector(segments)); |
| segments.clear(); |
| } |
| |
| void append(char c) { |
| builder.append(c); |
| } |
| |
| public List<Selector> getSelectors() { |
| return selectors; |
| } |
| } |