org.apache.tools.ant.util.regexp

Class RegexpUtil

java.lang.Object

org.apache.tools.ant.util.regexp.RegexpUtil

public class RegexpUtil
extends Object

Regular expression utilities class which handles flag operations.

Constructor Summary

Constructors

Constructor and Description
RegexpUtil()

Method Summary

Modifier and Type	Method and Description
static int	asOptions(boolean caseSensitive) Convert flag to regex options.
static int	asOptions(boolean caseSensitive, boolean multiLine, boolean singleLine) Convert flags to regex options.
static int	asOptions(String flags) convert regex option flag characters to regex options g - Regexp.REPLACE_ALL i - RegexpMatcher.MATCH_CASE_INSENSITIVE m - RegexpMatcher.MATCH_MULTILINE s - RegexpMatcher.MATCH_SINGLELINE
static boolean	hasFlag(int options, int flag) Check the options has a particular flag set.
static int	removeFlag(int options, int flag) Remove a particular flag from an int value contains the option flags.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RegexpUtil

public RegexpUtil()

Method Detail

asOptions

public static int asOptions(boolean caseSensitive)

Convert flag to regex options.

Parameters:

caseSensitive - opposite of RegexpMatcher.MATCH_CASE_INSENSITIVE

Returns:

the Regexp option bits

Since:

Ant 1.8.2

asOptions

public static int asOptions(boolean caseSensitive,
                            boolean multiLine,
                            boolean singleLine)

Convert flags to regex options.

Parameters:

caseSensitive - opposite of RegexpMatcher.MATCH_CASE_INSENSITIVE

multiLine - RegexpMatcher.MATCH_MULTILINE

singleLine - RegexpMatcher.MATCH_SINGLELINE

Returns:

the Regexp option bits

Since:

Ant 1.8.2

asOptions

public static int asOptions(String flags)

convert regex option flag characters to regex options

g - Regexp.REPLACE_ALL

i - RegexpMatcher.MATCH_CASE_INSENSITIVE

m - RegexpMatcher.MATCH_MULTILINE

s - RegexpMatcher.MATCH_SINGLELINE

Parameters:

flags - the string containing the flags

Returns:

the Regexp option bits

Since:

Ant 1.8.2

hasFlag

public static boolean hasFlag(int options,
                              int flag)

Check the options has a particular flag set.

Parameters:

options - an int value

flag - an int value

Returns:

true if the flag is set

removeFlag

public static int removeFlag(int options,
                             int flag)

Remove a particular flag from an int value contains the option flags.

Parameters:

options - an int value

flag - an int value

Returns:

the options with the flag unset