Example usage for java.util.regex Matcher start

Introduction

In this page you can find the example usage for java.util.regex Matcher start.

Prototype

public int start()

Source Link

Document

Returns the start index of the previous match.

Usage

From source file:Main.java

/**
 * Converts a given message to CTCP formatting.
 *
 * @param message message to convert//w w  w  .j  a va2s  .  c  om
 * @return converted message
 */
static String toCTCP(String message) {
    StringBuilder builder = new StringBuilder();
    builder.append(CTCP_DELIMITER);
    int currentIndex = 0;
    Matcher matcher = CTCP_ESCAPABLE_CHAR.matcher(message);
    while (matcher.find()) {
        if (matcher.start() > currentIndex) {
            builder.append(message.substring(currentIndex, matcher.start()));
        }
        switch (matcher.group()) {
        case "\n":
            builder.append(CTCP_MQUOTE).append('n');
            break;
        case "\r":
            builder.append(CTCP_MQUOTE).append('r');
            break;
        case "\u0000":
            builder.append(CTCP_MQUOTE).append('0');
            break;
        case CTCP_MQUOTE + "":
            builder.append(CTCP_MQUOTE).append(CTCP_MQUOTE);
            break;
        case CTCP_DELIMITER + "":
            builder.append("\\a");
            break;
        case "\\":
            builder.append("\\\\");
            break;
        }
        currentIndex = matcher.end();
    }
    if (currentIndex < message.length()) {
        builder.append(message.substring(currentIndex));
    }
    builder.append(CTCP_DELIMITER);
    return builder.toString();
}

From source file:Correct.java

public static void execute(String One, String Two) {

    Two = Two.replaceAll("\\\\n", "\n");
    try {//from   w  w w . j av a 2  s  .c om
        System.out.println("Regex = " + One);
        System.out.println("Input = " + Two);

        Pattern pattern = Pattern.compile(One);
        Matcher match = pattern.matcher(Two);

        while (match.find()) {
            System.out.println("Found [" + match.group() + "]\nStarting at " + match.start() + " , \nEnding at "
                    + (match.end() - 1));
        }
    } catch (PatternSyntaxException pse) {

        System.err.println("Bad regex: " + pse.getMessage());
        System.err.println("Description: " + pse.getDescription());
        System.err.println("Index: " + pse.getIndex());
        System.err.println("Incorrect pattern: " + pse.getPattern());
    }
}

From source file:Main.java

/**
 * Converts a method name to an attribute name, e.g. getFooBar() --> foo_bar, isFlag --> flag.
 * @param methodName//  w w  w  .ja  va  2s .co m
 * @return
 */
public static String methodNameToAttributeName(final String methodName) {
    String name = methodName;
    if ((methodName.startsWith("get") || methodName.startsWith("set")) && methodName.length() > 3)
        name = methodName.substring(3);
    else if (methodName.startsWith("is") && methodName.length() > 2)
        name = methodName.substring(2);

    // Pattern p=Pattern.compile("[A-Z]+");
    Matcher m = METHOD_NAME_TO_ATTR_NAME_PATTERN.matcher(name);
    StringBuffer sb = new StringBuffer();
    while (m.find()) {
        int start = m.start(), end = m.end();
        String str = name.substring(start, end).toLowerCase();
        if (str.length() > 1) {
            String tmp1 = str.substring(0, str.length() - 1);
            String tmp2 = str.substring(str.length() - 1);
            str = tmp1 + "_" + tmp2;
        }
        if (start == 0) {
            m.appendReplacement(sb, str);
        } else
            m.appendReplacement(sb, "_" + str);
    }
    m.appendTail(sb);
    return sb.length() > 0 ? sb.toString() : methodName;
}

From source file:Main.java

/**
 * Converts a given message from CTCP escaping.
 *
 * @param message message to convert//  ww w  .j a v a  2 s  . c om
 * @return converted message
 */
static String fromCTCP(String message) {
    message = message.substring(1); // Strip the starting delimiter
    message = message.substring(0, message.indexOf(CTCP_DELIMITER)); // Strip the second delimiter
    StringBuilder builder = new StringBuilder();
    int currentIndex = 0;
    Matcher matcher = CTCP_ESCAPED_CHAR.matcher(message);
    while (matcher.find()) {
        if (matcher.start() > currentIndex) {
            builder.append(message.substring(currentIndex, matcher.start()));
        }
        switch (matcher.group(1)) {
        case CTCP_MQUOTE + "":
            switch (matcher.group(2)) {
            case "n":
                builder.append('\n');
                break;
            case "r":
                builder.append('\r');
                break;
            case "0":
                builder.append('\u0000');
                break;
            default:
                builder.append(matcher.group(2)); // If not one of the above, disregard the MQUOTE. If MQUOTE, it's covered here anyway.
            }
            break;
        case "\\":
            switch (matcher.group(2)) {
            case "a":
                builder.append(CTCP_DELIMITER);
                break;
            default:
                builder.append(matcher.group(2)); // If not one of the above, disregard the \. If \, it's covered here anyway.
            }
        }
        currentIndex = matcher.end();
    }
    if (currentIndex < message.length()) {
        builder.append(message.substring(currentIndex));
    }
    return builder.toString();
}

From source file:Main.java

public static String decodeUnicode(String str) {
    Charset set = Charset.forName("UTF-16");
    Pattern p = Pattern.compile("\\\\u([0-9a-fA-F]{4})");
    Matcher m = p.matcher(str);
    int start = 0;
    int start2;//from   w w w.ja va2s  . co m
    StringBuffer sb = new StringBuffer();
    while (m.find(start)) {
        start2 = m.start();
        if (start2 > start) {
            String seg = str.substring(start, start2);
            sb.append(seg);
        }
        String code = m.group(1);
        int i = Integer.valueOf(code, 16);
        byte[] bb = new byte[4];
        bb[0] = (byte) ((i >> 8) & 0xFF);
        bb[1] = (byte) (i & 0xFF);
        ByteBuffer b = ByteBuffer.wrap(bb);
        sb.append(String.valueOf(set.decode(b)).trim());
        start = m.end();
    }
    start2 = str.length();
    if (start2 > start) {
        String seg = str.substring(start, start2);
        sb.append(seg);
    }
    return sb.toString();
}

From source file:Main.java

public static boolean addEmoticons(Context context, Spannable spannable) {
    boolean hasChanges = false;
    for (Entry<Pattern, Integer> entry : emoticons.entrySet()) {
        Matcher matcher = entry.getKey().matcher(spannable);
        while (matcher.find()) {
            boolean set = true;
            for (ImageSpan span : spannable.getSpans(matcher.start(), matcher.end(), ImageSpan.class))
                if (spannable.getSpanStart(span) >= matcher.start()
                        && spannable.getSpanEnd(span) <= matcher.end())
                    spannable.removeSpan(span);
                else {
                    set = false;/*from  w  ww .ja  va  2 s . c  o  m*/
                    break;
                }
            if (set) {
                hasChanges = true;
                spannable.setSpan(new ImageSpan(context, entry.getValue()), matcher.start(), matcher.end(),
                        Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            }
        }
    }
    return hasChanges;
}

From source file:Main.java

public static String processCaptionText(String text) {
    String result = text;//from  w w  w .j av  a 2 s  .  c o  m
    Matcher matcher = Pattern.compile("#\\s*(\\w+)").matcher(text);
    ArrayList<Integer[]> toDelete = new ArrayList<>();
    while (matcher.find()) {
        Integer[] tmpArray = new Integer[] { matcher.start(), matcher.end() };
        toDelete.add(0, tmpArray);
    }
    for (Integer[] tmpArray : toDelete) {
        if (tmpArray[0] > 0 && result.substring(tmpArray[0] - 1, tmpArray[0]).compareTo(" ") == 0)
            tmpArray[0]--;
        if (tmpArray[0] == 0 && (tmpArray[1] + 1) < result.length())
            tmpArray[1]++;
        result = result.substring(0, tmpArray[0]) + result.substring(tmpArray[1]);
    }
    return result;
}

From source file:Main.java

public static boolean addSmiles(Context context, Spannable spannable) {
    boolean hasChanges = false;
    for (Map.Entry<Pattern, Integer> entry : emoticons.entrySet()) {
        Matcher matcher = entry.getKey().matcher(spannable);
        while (matcher.find()) {
            boolean set = true;
            for (ImageSpan span : spannable.getSpans(matcher.start(), matcher.end(), ImageSpan.class))
                if (spannable.getSpanStart(span) >= matcher.start()
                        && spannable.getSpanEnd(span) <= matcher.end())
                    spannable.removeSpan(span);
                else {
                    set = false;// w ww. jav  a 2  s . co m
                    break;
                }
            if (set) {
                hasChanges = true;
                spannable.setSpan(new ImageSpan(context, entry.getValue()), matcher.start(), matcher.end(),
                        Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            }
        }
    }
    return hasChanges;
}

From source file:Main.java

public static int getCharacterPosition(String string, int next, String sub) {
    Matcher slashMatcher = Pattern.compile(sub).matcher(string);
    int index = 0;
    while (slashMatcher.find()) {
        index++;//ww w  .  j  av a2 s. c o m
        if (index == next)
            break;
    }
    return slashMatcher.start();
}

From source file:Main.java

public static boolean addSmiles(Context context, Spannable spannable) {
    boolean hasChanges = false;
    for (Map.Entry<Pattern, Integer> entry : emoticons.entrySet()) {
        Matcher matcher = entry.getKey().matcher(spannable);
        while (matcher.find()) {
            boolean set = true;
            for (ImageSpan span : spannable.getSpans(matcher.start(), matcher.end(), ImageSpan.class)) {
                if (spannable.getSpanStart(span) >= matcher.start()
                        && spannable.getSpanEnd(span) <= matcher.end()) {
                    spannable.removeSpan(span);
                } else {
                    set = false;//from   w  w  w  .j a  v a 2s  .  c o  m
                    break;
                }
            }
            if (set) {
                hasChanges = true;
                spannable.setSpan(new ImageSpan(context, entry.getValue()), matcher.start(), matcher.end(),
                        Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            }
        }
    }
    return hasChanges;
}