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Merge GNU Classpath 0.99 into libjava.

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From-SVN: r185741
This commit is contained in:
Andrew John Hughes 2012-03-23 15:19:26 +00:00
parent 21669dfe20
commit 0563022a20
516 changed files with 64503 additions and 61116 deletions
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40
libjava/classpath/java/util/regex/Pattern.java
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@ -1,5 +1,6 @@
/* Pattern.java -- Compiled regular expression ready to be applied.
Copyright (C) 2002, 2004, 2005, 2007 Free Software Foundation, Inc.
Copyright (C) 2002, 2004, 2005, 2007, 2010
Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -37,6 +38,8 @@ exception statement from your version. */
package java.util.regex;
import gnu.java.lang.CPStringBuilder;
import gnu.java.util.regex.RE;
import gnu.java.util.regex.REException;
import gnu.java.util.regex.RESyntax;
@ -259,6 +262,41 @@ public final class Pattern implements Serializable
return regex;
}
/**
* Returns a literal pattern for the specified String.
*
* @param String to return a literal pattern for.
* @return a literal pattern for the specified String.
* @exception NullPointerException if str is null.
* @since 1.5
*/
public static String quote(String str)
{
int eInd = str.indexOf("\\E");
if (eInd < 0)
{
// No need to handle backslashes.
return "\\Q" + str + "\\E";
}
CPStringBuilder sb = new CPStringBuilder(str.length() + 16);
sb.append("\\Q"); // start quote
int pos = 0;
do
{
// A backslash is quoted by another backslash;
// 'E' is not needed to be quoted.
sb.append(str.substring(pos, eInd))
.append("\\E" + "\\\\" + "E" + "\\Q");
pos = eInd + 2;
} while ((eInd = str.indexOf("\\E", pos)) >= 0);
sb.append(str.substring(pos, str.length()))
.append("\\E"); // end quote
return sb.toString();
}
/**
* Return the regular expression used to construct this object.
* @specnote Prior to JDK 1.5 this method had a different behavior