| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * 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 android.bluetooth.client.map.utils; |
| |
| import android.util.Log; |
| |
| import java.text.ParseException; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public final class BmsgTokenizer { |
| |
| private final String mStr; |
| |
| private final Matcher mMatcher; |
| |
| private int mPos = 0; |
| |
| private final int mOffset; |
| |
| static public class Property { |
| public final String name; |
| public final String value; |
| |
| public Property(String name, String value) { |
| if (name == null || value == null) { |
| throw new IllegalArgumentException(); |
| } |
| |
| this.name = name; |
| this.value = value; |
| |
| Log.v("BMSG >> ", toString()); |
| } |
| |
| @Override |
| public String toString() { |
| return name + ":" + value; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return ((o instanceof Property) && ((Property) o).name.equals(name) && ((Property) o).value |
| .equals(value)); |
| } |
| }; |
| |
| public BmsgTokenizer(String str) { |
| this(str, 0); |
| } |
| |
| public BmsgTokenizer(String str, int offset) { |
| mStr = str; |
| mOffset = offset; |
| mMatcher = Pattern.compile("(([^:]*):(.*))?\r\n").matcher(str); |
| mPos = mMatcher.regionStart(); |
| } |
| |
| public Property next(boolean alwaysReturn) throws ParseException { |
| boolean found = false; |
| |
| do { |
| mMatcher.region(mPos, mMatcher.regionEnd()); |
| |
| if (!mMatcher.lookingAt()) { |
| if (alwaysReturn) { |
| return null; |
| } |
| |
| throw new ParseException("Property or empty line expected", pos()); |
| } |
| |
| mPos = mMatcher.end(); |
| |
| if (mMatcher.group(1) != null) { |
| found = true; |
| } |
| } while (!found); |
| |
| return new Property(mMatcher.group(2), mMatcher.group(3)); |
| } |
| |
| public Property next() throws ParseException { |
| return next(false); |
| } |
| |
| public String remaining() { |
| return mStr.substring(mPos); |
| } |
| |
| public int pos() { |
| return mPos + mOffset; |
| } |
| } |