Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    private static String removeDotSegments(StringBuilder uri, int offset, int limit) {
        if (offset >= limit) {
            return uri.toString();
        }
        if (uri.charAt(offset) == '/') {
            offset++;
        }

        int segmentStart = offset;
        int i = offset;
        while (i <= limit) {
            int nextSegmentStart;
            if (i == limit) {
                nextSegmentStart = i;
            } else if (uri.charAt(i) == '/') {
                nextSegmentStart = i + 1;
            } else {
                i++;
                continue;
            }

            if (i == segmentStart + 1 && uri.charAt(segmentStart) == '.') {
                uri.delete(segmentStart, nextSegmentStart);
                limit -= nextSegmentStart - segmentStart;
                i = segmentStart;
            } else if (i == segmentStart + 2 && uri.charAt(segmentStart) == '.'
                    && uri.charAt(segmentStart + 1) == '.') {
                int prevSegmentStart = uri.lastIndexOf("/", segmentStart - 2) + 2;
                int removeFrom = prevSegmentStart > offset ? prevSegmentStart : offset;
                uri.delete(removeFrom, nextSegmentStart);
                limit -= nextSegmentStart - removeFrom;
                i = prevSegmentStart;
            } else {
                i++;
                segmentStart = i;
            }
        }
        return uri.toString();
    }
}