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Diffstat (limited to 'libjava/gnu/xml/xpath/TranslateFunction.java')
-rw-r--r-- | libjava/gnu/xml/xpath/TranslateFunction.java | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/libjava/gnu/xml/xpath/TranslateFunction.java b/libjava/gnu/xml/xpath/TranslateFunction.java deleted file mode 100644 index b62180734ce..00000000000 --- a/libjava/gnu/xml/xpath/TranslateFunction.java +++ /dev/null @@ -1,126 +0,0 @@ -/* TranslateFunction.java -- - Copyright (C) 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package gnu.xml.xpath; - -import java.util.List; -import org.w3c.dom.Node; - -/** - * The <code>translate</code> function returns the first argument string - * with occurrences of characters in the second argument string replaced by - * the character at the corresponding position in the third argument string. - * For example, translate("bar","abc","ABC") returns the string BAr. If - * there is a character in the second argument string with no character at a - * corresponding position in the third argument string (because the second - * argument string is longer than the third argument string), then - * occurrences of that character in the first argument string are removed. - * For example, translate("--aaa--","abc-","ABC") returns "AAA". If a - * character occurs more than once in the second argument string, then the - * first occurrence determines the replacement character. If the third - * argument string is longer than the second argument string, then excess - * characters are ignored. - * - * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> - */ -final class TranslateFunction - extends Expr -{ - - final Expr arg1; - final Expr arg2; - final Expr arg3; - - TranslateFunction(List args) - { - this((Expr) args.get(0), (Expr) args.get(1), (Expr) args.get(2)); - } - - TranslateFunction(Expr arg1, Expr arg2, Expr arg3) - { - this.arg1 = arg1; - this.arg2 = arg2; - this.arg3 = arg3; - } - - public Object evaluate(Node context, int pos, int len) - { - Object val1 = arg1.evaluate(context, pos, len); - Object val2 = arg2.evaluate(context, pos, len); - Object val3 = arg3.evaluate(context, pos, len); - String string = _string(context, val1); - String search = _string(context, val2); - String replace = _string(context, val3); - StringBuffer buf = new StringBuffer(); - int l1 = string.length(); - int l2 = search.length(); - int l3 = replace.length(); - for (int i = 0; i < l1; i++) - { - char c = string.charAt(i); - boolean replaced = false; - for (int j = 0; j < l2; j++) - { - if (c == search.charAt(j)) - { - if (j < l3) - { - buf.append(replace.charAt(j)); - } - replaced = true; - } - } - if (!replaced) - { - buf.append(c); - } - } - return new String(buf); - } - - public Expr clone(Object context) - { - return new TranslateFunction(arg1.clone(context), arg2.clone(context), - arg3.clone(context)); - } - - public String toString() - { - return "translate(" + arg1 + "," + arg2 + "," + arg3 + ")"; - } - -} |