| package org.apache.maven.scm.provider.accurev.util; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * @author ggardner |
| */ |
| public final class QuotedPropertyParser |
| { |
| |
| private QuotedPropertyParser() |
| { |
| |
| } |
| |
| public static Map<String, String> parse( CharSequence seq ) |
| { |
| Map<String, String> hashMap = new HashMap<String, String>(); |
| |
| parse( seq, hashMap ); |
| return hashMap; |
| } |
| |
| public static void parse( CharSequence string, Map<? super String, ? super String> propertyMap ) |
| { |
| |
| QuotedParseState state = QuotedParseState.KEY; |
| char quote = '\0'; |
| StringBuilder buffer = new StringBuilder(); |
| String propertyKey = ""; |
| |
| int i = 0; // where we are up to in the scan |
| int pos = 0; // where we have consumed into the buffer |
| while ( i < string.length() ) |
| { |
| char current = string.charAt( i ); |
| switch ( state ) |
| { |
| case KEY: |
| switch ( current ) |
| { |
| case '"': |
| case '\'': |
| quote = current; |
| state = QuotedParseState.IN_QUOTED_KEY; |
| if ( i >= pos ) |
| { |
| buffer.append( string.subSequence( pos, i ) ); |
| } |
| pos = i + 1; |
| break; |
| case '=': |
| if ( i >= pos ) |
| { |
| buffer.append( string.subSequence( pos, i ) ); |
| } |
| propertyKey = buffer.toString(); |
| buffer = new StringBuilder(); |
| state = QuotedParseState.VALUE; |
| pos = i + 1; |
| break; |
| default: |
| } |
| break; |
| |
| case VALUE: |
| switch ( current ) |
| { |
| case '"': |
| case '\'': |
| quote = current; |
| state = QuotedParseState.IN_QUOTED_VALUE; |
| if ( i >= pos ) |
| { |
| buffer.append( string.subSequence( pos, i ) ); |
| } |
| pos = i + 1; |
| break; |
| case '&': |
| if ( i >= pos ) |
| { |
| buffer.append( string.subSequence( pos, i ) ); |
| } |
| propertyMap.put( propertyKey, buffer.toString() ); |
| pos = i + 1; |
| buffer = new StringBuilder(); |
| state = QuotedParseState.KEY; |
| break; |
| default: |
| } |
| |
| break; |
| case IN_QUOTED_KEY: |
| case IN_QUOTED_VALUE: |
| if ( current == quote ) |
| { |
| state = |
| ( state == QuotedParseState.IN_QUOTED_KEY ) ? QuotedParseState.KEY : QuotedParseState.VALUE; |
| if ( i >= pos ) |
| { |
| buffer.append( string.subSequence( pos, i ) ); |
| } |
| pos = i + 1; |
| } |
| break; |
| default: |
| break; |
| } |
| |
| i++; |
| } |
| |
| if ( state == QuotedParseState.VALUE ) |
| { |
| if ( i >= pos ) |
| { |
| buffer.append( string.subSequence( pos, i ) ); |
| } |
| propertyMap.put( propertyKey, buffer.toString() ); |
| } |
| } |
| |
| /** |
| * |
| */ |
| // Has to be down here to avoid a QDOX exception |
| public static enum QuotedParseState |
| { |
| KEY, IN_QUOTED_KEY, IN_QUOTED_VALUE, VALUE |
| } |
| |
| } |