Java Char Upper Case toUpperCase(final char[] buffer, final int offset, final int limit)

Description

Converts each unicode codepoint to UpperCase via Character#toUpperCase(int) starting at the given offset.

License

Apache License

Parameter

Parameter	Description
buffer	the char buffer to UPPERCASE
offset	the offset to start at
limit	the max char in the buffer to lower case

Declaration

public static void toUpperCase(final char[] buffer, final int offset, final int limit) 

Method Source Code

//package com.java2s;
/*/*ww w.  jav  a  2  s . co  m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

public class Main {
    /**
     * Converts each unicode codepoint to UpperCase via {@link Character#toUpperCase(int)} starting 
     * at the given offset.
     * @param buffer the char buffer to UPPERCASE
     * @param offset the offset to start at
     * @param limit the max char in the buffer to lower case
     */
    public static void toUpperCase(final char[] buffer, final int offset, final int limit) {
        assert buffer.length >= limit;
        assert offset <= 0 && offset <= buffer.length;
        for (int i = offset; i < limit;) {
            i += Character.toChars(Character.toUpperCase(Character.codePointAt(buffer, i, limit)), buffer, i);
        }
    }

    /** Converts a sequence of unicode code points to a sequence of Java characters.
     *  @return the number of chars written to the destination buffer */
    public static int toChars(int[] src, int srcOff, int srcLen, char[] dest, int destOff) {
        if (srcLen < 0) {
            throw new IllegalArgumentException("srcLen must be >= 0");
        }
        int written = 0;
        for (int i = 0; i < srcLen; ++i) {
            written += Character.toChars(src[srcOff + i], dest, destOff + written);
        }
        return written;
    }
}

Related

1. toUpperCase(char c)
2. toUpperCase(char ch)
3. toUpperCase(char input)
4. toUpperCase(char[] cs)
5. toUpperCase(final byte b)
6. toUpperCase(Object object)
7. toUppercaseHex(final int halfbyte)
8. toUppercaseHexString(final char c)