gnu.regexp

Class REException


public class REException
extends Exception

This is the regular expression exception class. An exception of this type defines the three attributes:
  1. A descriptive message of the error.
  2. An integral type code equivalent to one of the statically defined symbols listed below.
  3. The approximate position in the input string where the error occurred.
Author:
Wes Biggs

Field Summary

static int
REG_BADBR
Error flag.
static int
REG_BADPAT
Error flag.
static int
REG_BADRPT
Error flag.
static int
REG_EBRACE
Error flag.
static int
REG_EBRACK
Error flag.
static int
REG_ECTYPE
Error flag.
static int
REG_EEND
Error flag.
static int
REG_EPAREN
Error flag.
static int
REG_ERANGE
Error flag.
static int
REG_ESCAPE
Error flag.
static int
REG_ESIZE
Error flag.
static int
REG_ESPACE
Error flag.
static int
REG_ESUBREG
Error flag.

Constructor Summary

REException(String msg, int type, int position)

Method Summary

String
getMessage()
Reports the descriptive message associated with this exception as well as its index position in the string or character array being compiled.
int
getPosition()
Returns the position, relative to the string or character array being compiled, where the error occurred.
int
getType()
Returns the type of the exception, one of the constants listed above.

Field Details

REG_BADBR

public static final int REG_BADBR
Error flag. Invalid use of back reference operator.
Field Value:
2

REG_BADPAT

public static final int REG_BADPAT
Error flag. Invalid use of pattern operators such as group or list.
Field Value:
11

REG_BADRPT

public static final int REG_BADRPT
Error flag. Invalid use of repetition operators such as using `*' as the first character.
Field Value:
1

REG_EBRACE

public static final int REG_EBRACE
Error flag. Un-matched brace interval operators.
Field Value:
3

REG_EBRACK

public static final int REG_EBRACK
Error flag. Un-matched bracket list operators.
Field Value:
4

REG_ECTYPE

public static final int REG_ECTYPE
Error flag. Unknown character class name. Not implemented.
Field Value:
6

REG_EEND

public static final int REG_EEND
Error flag. Non specific error. Not implemented.
Field Value:
9

REG_EPAREN

public static final int REG_EPAREN
Error flag. Un-matched parenthesis group operators.
Field Value:
7

REG_ERANGE

public static final int REG_ERANGE
Error flag. Invalid use of the range operator, eg. the ending point of the range occurs prior to the starting point.
Field Value:
5

REG_ESCAPE

public static final int REG_ESCAPE
Error flag. Invalid escape sequence. Not implemented.
Field Value:
10

REG_ESIZE

public static final int REG_ESIZE
Error flag. Compiled regular expression requires a pattern buffer larger than 64Kb. Not implemented.
Field Value:
12

REG_ESPACE

public static final int REG_ESPACE
Error flag. The regex routines ran out of memory. Not implemented.
Field Value:
13

REG_ESUBREG

public static final int REG_ESUBREG
Error flag. Invalid back reference to a subexpression.
Field Value:
8

Constructor Details

REException

(package private)  REException(String msg,
                               int type,
                               int position)

Method Details

getMessage

public String getMessage()
Reports the descriptive message associated with this exception as well as its index position in the string or character array being compiled.

getPosition

public int getPosition()
Returns the position, relative to the string or character array being compiled, where the error occurred. This position is generally the point where the error was detected, not necessarily the starting index of a bad subexpression.

getType

public int getType()
Returns the type of the exception, one of the constants listed above.