Java String Index Of getReplaceIndexes(String input, int startIndex, Stack replaceStack)

Description

get Replace Indexes

License

Open Source License

Declaration

private static void getReplaceIndexes(String input, int startIndex, Stack<Integer> replaceStack) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.*;

public class Main {
    private static void getReplaceIndexes(String input, int startIndex, Stack<Integer> replaceStack) {

        int idx = startIndex + 3;
        Stack<Character> stack = new Stack<>();

        while (idx < input.length()) {
            switch (input.charAt(idx)) {
            case ')':
                if (stack.isEmpty()) {
                    idx = input.length();
                } else {
                    stack.pop();//from  w w  w .  java 2 s  . c o  m
                }
                break;
            case '(':
                stack.push('(');
                break;
            case '*':
            case '+':
                replaceStack.push(idx);
                break;
            case '|':
                if (stack.isEmpty()) {
                    idx = input.length();
                }
                break;
            }

            idx += 1;
        }
    }
}

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