Android Reader Read nextPairedString(Reader r, char b, char c)

Description

Parse paired String with given delimiters from Reader.

Parameter

Parameter	Description
b	opposite delimiter.
c	delimiter.
r	Reader.

Return

next nested matching String up to c from r.

Declaration

public static String nextPairedString(Reader r, char b, char c) 

Method Source Code

//package com.java2s;
import java.io.IOException;
import java.io.Reader;
import java.io.StringWriter;

public class Main {
    /**/* www. j ava 2s .  co m*/
     * Parse paired String with given delimiters from Reader.
     * @param b opposite delimiter.
     * @param c delimiter.
     * @param r Reader.
     * @return next nested matching String up to c from r.
     */
    public static String nextPairedString(Reader r, char b, char c) {
        StringWriter sw = new StringWriter();
        try {
            int level = 0;
            char buffer;
            int i;
            // read chars != c, ignore new lines ?
            while ((i = r.read()) > -1) {
                buffer = (char) i;
                if (buffer == b) {
                    level++;
                }
                if (buffer == c) {
                    level--;
                    if (level < 0) {
                        break; // skip last closing 'brace' 
                    }
                }
                sw.write(buffer);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return sw.toString();
    }
}

Related

1. slurpLines(final Reader reader)
2. slurpValidLines(final Reader reader)
3. toList(Reader reader)
4. nextString(Reader r)
5. nextString(Reader r, char c)