parser/html/javasrc/Portability.java

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/parser/html/javasrc/Portability.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,148 @@
     1.4 +/*
     1.5 + * Copyright (c) 2008-2009 Mozilla Foundation
     1.6 + *
     1.7 + * Permission is hereby granted, free of charge, to any person obtaining a 
     1.8 + * copy of this software and associated documentation files (the "Software"), 
     1.9 + * to deal in the Software without restriction, including without limitation 
    1.10 + * the rights to use, copy, modify, merge, publish, distribute, sublicense, 
    1.11 + * and/or sell copies of the Software, and to permit persons to whom the 
    1.12 + * Software is furnished to do so, subject to the following conditions:
    1.13 + *
    1.14 + * The above copyright notice and this permission notice shall be included in 
    1.15 + * all copies or substantial portions of the Software.
    1.16 + *
    1.17 + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
    1.18 + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
    1.19 + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
    1.20 + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
    1.21 + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
    1.22 + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
    1.23 + * DEALINGS IN THE SOFTWARE.
    1.24 + */
    1.25 +
    1.26 +package nu.validator.htmlparser.impl;
    1.27 +
    1.28 +import nu.validator.htmlparser.annotation.Literal;
    1.29 +import nu.validator.htmlparser.annotation.Local;
    1.30 +import nu.validator.htmlparser.annotation.NoLength;
    1.31 +import nu.validator.htmlparser.common.Interner;
    1.32 +
    1.33 +public final class Portability {
    1.34 +
    1.35 +    // Allocating methods
    1.36 +
    1.37 +    /**
    1.38 +     * Allocates a new local name object. In C++, the refcount must be set up in such a way that 
    1.39 +     * calling <code>releaseLocal</code> on the return value balances the refcount set by this method.
    1.40 +     */
    1.41 +    public static @Local String newLocalNameFromBuffer(@NoLength char[] buf, int offset, int length, Interner interner) {
    1.42 +        return new String(buf, offset, length).intern();
    1.43 +    }
    1.44 +
    1.45 +    public static String newStringFromBuffer(@NoLength char[] buf, int offset, int length) {
    1.46 +        return new String(buf, offset, length);
    1.47 +    }
    1.48 +
    1.49 +    public static String newEmptyString() {
    1.50 +        return "";
    1.51 +    }
    1.52 +
    1.53 +    public static String newStringFromLiteral(@Literal String literal) {
    1.54 +        return literal;
    1.55 +    }
    1.56 +    
    1.57 +    public static String newStringFromString(String string) {
    1.58 +        return string;
    1.59 +    }
    1.60 +    
    1.61 +    // XXX get rid of this
    1.62 +    public static char[] newCharArrayFromLocal(@Local String local) {
    1.63 +        return local.toCharArray();
    1.64 +    }
    1.65 +
    1.66 +    public static char[] newCharArrayFromString(String string) {
    1.67 +        return string.toCharArray();
    1.68 +    }
    1.69 +    
    1.70 +    public static @Local String newLocalFromLocal(@Local String local, Interner interner) {
    1.71 +        return local;
    1.72 +    }
    1.73 +    
    1.74 +    // Deallocation methods
    1.75 +    
    1.76 +    public static void releaseString(String str) {
    1.77 +        // No-op in Java
    1.78 +    }
    1.79 +    
    1.80 +    // Comparison methods
    1.81 +    
    1.82 +    public static boolean localEqualsBuffer(@Local String local, @NoLength char[] buf, int offset, int length) {
    1.83 +        if (local.length() != length) {
    1.84 +            return false;
    1.85 +        }
    1.86 +        for (int i = 0; i < length; i++) {
    1.87 +            if (local.charAt(i) != buf[offset + i]) {
    1.88 +                return false;
    1.89 +            }
    1.90 +        }
    1.91 +        return true;
    1.92 +    }
    1.93 +
    1.94 +    public static boolean lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString(@Literal String lowerCaseLiteral,
    1.95 +            String string) {
    1.96 +        if (string == null) {
    1.97 +            return false;
    1.98 +        }
    1.99 +        if (lowerCaseLiteral.length() > string.length()) {
   1.100 +            return false;
   1.101 +        }
   1.102 +        for (int i = 0; i < lowerCaseLiteral.length(); i++) {
   1.103 +            char c0 = lowerCaseLiteral.charAt(i);
   1.104 +            char c1 = string.charAt(i);
   1.105 +            if (c1 >= 'A' && c1 <= 'Z') {
   1.106 +                c1 += 0x20;
   1.107 +            }
   1.108 +            if (c0 != c1) {
   1.109 +                return false;
   1.110 +            }
   1.111 +        }
   1.112 +        return true;
   1.113 +    }
   1.114 +    
   1.115 +    public static boolean lowerCaseLiteralEqualsIgnoreAsciiCaseString(@Literal String lowerCaseLiteral,
   1.116 +            String string) {
   1.117 +        if (string == null) {
   1.118 +            return false;
   1.119 +        }
   1.120 +        if (lowerCaseLiteral.length() != string.length()) {
   1.121 +            return false;
   1.122 +        }
   1.123 +        for (int i = 0; i < lowerCaseLiteral.length(); i++) {
   1.124 +            char c0 = lowerCaseLiteral.charAt(i);
   1.125 +            char c1 = string.charAt(i);
   1.126 +            if (c1 >= 'A' && c1 <= 'Z') {
   1.127 +                c1 += 0x20;
   1.128 +            }
   1.129 +            if (c0 != c1) {
   1.130 +                return false;
   1.131 +            }
   1.132 +        }
   1.133 +        return true;
   1.134 +    }
   1.135 +    
   1.136 +    public static boolean literalEqualsString(@Literal String literal, String string) {
   1.137 +        return literal.equals(string);
   1.138 +    }
   1.139 +
   1.140 +    public static boolean stringEqualsString(String one, String other) {
   1.141 +        return one.equals(other);
   1.142 +    }
   1.143 +    
   1.144 +    public static void delete(Object o) {
   1.145 +        
   1.146 +    }
   1.147 +
   1.148 +    public static void deleteArray(Object o) {
   1.149 +        
   1.150 +    }
   1.151 +}

mercurial