| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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 com.intellij.execution.junit2.segments; |
| |
| import com.intellij.rt.execution.junit.segments.PoolOfDelimiters; |
| import com.intellij.util.ArrayUtil; |
| |
| import java.util.ArrayList; |
| |
| public class SegmentReader { |
| private final String myString; |
| private final char[] myChars; |
| private int myPosition = 0; |
| |
| public SegmentReader(final String packet) { |
| myString = packet; |
| myChars = packet.toCharArray(); |
| } |
| |
| public String upTo(final char symbol) { |
| int position = myPosition; |
| while (position < myChars.length && myChars[position] != symbol) position++; |
| final String result = advanceTo(position); |
| skip(1); |
| return result; |
| } |
| |
| public void skip(final int count) { |
| myPosition = Math.min(myChars.length, myPosition + count); |
| } |
| |
| public String upToEnd() { |
| return advanceTo(myChars.length); |
| } |
| |
| private String advanceTo(final int position) { |
| final String result = myString.substring(myPosition, position); |
| myPosition = position; |
| return result; |
| } |
| |
| public String readLimitedString() { |
| final int symbolCount = readInt(); |
| return advanceTo(myPosition + symbolCount); |
| } |
| |
| public int readInt() { |
| final String intString = upTo(PoolOfDelimiters.INTEGER_DELIMITER); |
| return Integer.parseInt(intString); |
| } |
| |
| public long readLong() { |
| final String longString = upTo(PoolOfDelimiters.INTEGER_DELIMITER); |
| return Long.parseLong(longString); |
| } |
| |
| public char readChar() { |
| myPosition++; |
| return myChars[myPosition - 1]; |
| } |
| |
| public boolean isAtEnd() { |
| return myPosition == myChars.length; |
| } |
| |
| public String[] readStringArray() { |
| final int count = readInt(); |
| if (count == 0) return ArrayUtil.EMPTY_STRING_ARRAY; |
| final ArrayList<String> strings = new ArrayList<String>(count); |
| for (int i = 0; i < count; i++) { |
| strings.add(readLimitedString()); |
| } |
| return strings.toArray(new String[count]); |
| } |
| } |