JavaOne attendees asked for support for String.replaceAll, so here it is
authorJaroslav Tulach <jaroslav.tulach@apidesign.org>
Fri, 27 Sep 2013 20:20:50 +0200
changeset 1310635ee75d82a5
parent 1301 7aa365d2cc1a
child 1311 a7d89cd0e34c
child 1324 263482b074e9
JavaOne attendees asked for support for String.replaceAll, so here it is
rt/emul/compact/src/test/java/org/apidesign/bck2brwsr/tck/RegExpReplaceAllTest.java
rt/emul/mini/src/main/java/java/lang/String.java
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/rt/emul/compact/src/test/java/org/apidesign/bck2brwsr/tck/RegExpReplaceAllTest.java	Fri Sep 27 20:20:50 2013 +0200
     1.3 @@ -0,0 +1,54 @@
     1.4 +/**
     1.5 + * Back 2 Browser Bytecode Translator
     1.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.7 + *
     1.8 + * This program is free software: you can redistribute it and/or modify
     1.9 + * it under the terms of the GNU General Public License as published by
    1.10 + * the Free Software Foundation, version 2 of the License.
    1.11 + *
    1.12 + * This program is distributed in the hope that it will be useful,
    1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 + * GNU General Public License for more details.
    1.16 + *
    1.17 + * You should have received a copy of the GNU General Public License
    1.18 + * along with this program. Look for COPYING file in the top folder.
    1.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
    1.20 + */
    1.21 +package org.apidesign.bck2brwsr.tck;
    1.22 +
    1.23 +import org.apidesign.bck2brwsr.vmtest.Compare;
    1.24 +import org.apidesign.bck2brwsr.vmtest.VMTest;
    1.25 +import org.testng.annotations.Factory;
    1.26 +
    1.27 +/**
    1.28 + *
    1.29 + * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
    1.30 + */
    1.31 +public class RegExpReplaceAllTest {
    1.32 +
    1.33 +    @Compare public String replaceAll() {
    1.34 +        return "JavaScript".replaceAll("Script", "One");
    1.35 +    }
    1.36 +
    1.37 +    @Compare public String replaceAllTwice() {
    1.38 +        return "Script JavaScript!".replaceAll("Script", "One");
    1.39 +    }
    1.40 +
    1.41 +    
    1.42 +    @Compare public String replaceAllRegexp() {
    1.43 +        return "JavaScript".replaceAll("S....t", "One");
    1.44 +    }
    1.45 +
    1.46 +    @Compare public String replaceAllRegexpTwice() {
    1.47 +        return "Script JavaScript!".replaceAll("S....t", "One");
    1.48 +    }
    1.49 +
    1.50 +    @Compare public String replaceFirstRegexpOnly() {
    1.51 +        return "Script JavaScript!".replaceFirst("S....t", "One");
    1.52 +    }
    1.53 +    
    1.54 +    @Factory public static Object[] create() {
    1.55 +        return VMTest.create(RegExpReplaceAllTest.class);
    1.56 +    }
    1.57 +}
     2.1 --- a/rt/emul/mini/src/main/java/java/lang/String.java	Thu Sep 26 19:41:34 2013 +0200
     2.2 +++ b/rt/emul/mini/src/main/java/java/lang/String.java	Fri Sep 27 20:20:50 2013 +0200
     2.3 @@ -2159,6 +2159,14 @@
     2.4       * @since 1.4
     2.5       * @spec JSR-51
     2.6       */
     2.7 +    @JavaScriptBody(args = { "regex", "newText" }, body = 
     2.8 +          "var self = this.toString();\n"
     2.9 +        + "var re = new RegExp(regex.toString());\n"
    2.10 +        + "var r = re.exec(self);\n"
    2.11 +        + "if (r === null || r.length === 0) return this;\n"
    2.12 +        + "var from = self.indexOf(r[0]);\n"
    2.13 +        + "return this.substring(0, from) + newText + this.substring(from + r[0].length);\n"
    2.14 +    )
    2.15      public String replaceFirst(String regex, String replacement) {
    2.16          throw new UnsupportedOperationException();
    2.17      }
    2.18 @@ -2203,7 +2211,14 @@
    2.19       * @spec JSR-51
    2.20       */
    2.21      public String replaceAll(String regex, String replacement) {
    2.22 -        throw new UnsupportedOperationException();
    2.23 +        String p = this;
    2.24 +        for (;;) {
    2.25 +            String n = p.replaceFirst(regex, replacement);
    2.26 +            if (n == p) {
    2.27 +                return n;
    2.28 +            }
    2.29 +            p = n;
    2.30 +        }
    2.31      }
    2.32  
    2.33      /**