Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2007-2012 AjaxTags-Team
 *
 *
 * Licensed 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 {
    public static boolean isValidHtmlName(final String name) {
        if (name == null) {
            return true;
        }
        if (!isValidHtmlNameStartChar(name.codePointAt(0))) {
            return false;
        }
        for (int i = 1; i < name.length(); i++) {
            if (!isValidHtmlNameChar(name.codePointAt(i))) {
                return false;
            }
        }
        return true;
    }

    /**
     * http://www.w3.org/TR/html4/types.html#type-name
     *
     * ID and NAME tokens must begin with a letter ([A-Za-z]).
     *
     * @param c
     *            char
     * @return true if HTML Name can start with that char
     */
    protected static boolean isValidHtmlNameStartChar(final int c) {
        return isCharInRange(c, 'A', 'Z') || isCharInRange(c, 'a', 'z');
    }

    /**
     * http://www.w3.org/TR/html4/types.html#type-name
     *
     * ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of
     * letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
     *
     * @param c
     *            char
     * @return true if HTML Name can continue with that char
     */
    protected static boolean isValidHtmlNameChar(final int c) {
        return isValidXmlNameStartChar(c) || isCharInRange(c, '0', '9') || c == '-' || c == '_' || c == ':'
                || c == '.';
    }

    protected static boolean isCharInRange(final int c, final int begin, final int end) {
        return c >= begin && c <= end;
    }

    /**
     * http://www.w3.org/TR/REC-xml/#NT-Name
     *
     * NameStartChar ::= ":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] |
     * [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] |
     * [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
     *
     * @param c
     *            char
     * @return true if XML Name can start with that char
     */
    protected static boolean isValidXmlNameStartChar(final int c) {
        return c == ':' || isCharInRange(c, 'A', 'Z') || c == '_' || isCharInRange(c, 'a', 'z')
                || isCharInRange(c, 0xC0, 0xD6) || isCharInRange(c, 0xD8, 0xF6) || isCharInRange(c, 0xF8, 0x2FF)
                || isCharInRange(c, 0x370, 0x37D) || isCharInRange(c, 0x37F, 0x1FFF)
                || isCharInRange(c, 0x200C, 0x200D) || isCharInRange(c, 0x2070, 0x218F)
                || isCharInRange(c, 0x2C00, 0x2FEF) || isCharInRange(c, 0x3001, 0xD7FF)
                || isCharInRange(c, 0xF900, 0xFDCF) || isCharInRange(c, 0xFDF0, 0xFFFD)
                || isCharInRange(c, 0x10000, 0xEFFFF);
    }
}