public class OpReluctantFixed extends OpRepeat
Operation.ForceProgressIterator
MATCHES_ZLS_ANYWHERE, MATCHES_ZLS_AT_END, MATCHES_ZLS_AT_START, MATCHES_ZLS_NEVER
Modifier and Type | Method and Description |
---|---|
int |
getMatchLength()
Get the length of the matches returned by this operation if they are fixed-length
|
IntIterator |
iterateMatches(REMatcher matcher,
int position)
Get an iterator returning all the matches for this operation
|
int |
matchesEmptyString()
Ask whether the regular expression is known, after static analysis, to match a
zero-length string
|
Operation |
optimize(REProgram program,
REFlags flags)
Optimize the operation
|
containsCapturingExpressions, display, getInitialCharacterClass, getMinimumMatchLength
public int getMatchLength()
Operation
getMatchLength
in class OpRepeat
public int matchesEmptyString()
Operation
matchesEmptyString
in class OpRepeat
Operation.MATCHES_ZLS_AT_START
if the expression is statically known to match a zero-length string at the
start of the supplied input;Operation.MATCHES_ZLS_AT_END
if it is statically known to return a zero-length
string at the end of the supplied input;Operation.MATCHES_ZLS_ANYWHERE
if it is statically known to match a zero-length string anywhere in the input.
Operation.MATCHES_ZLS_NEVER
if it is statically known that the
regex will never match a zero length string.public Operation optimize(REProgram program, REFlags flags)
Operation
public IntIterator iterateMatches(REMatcher matcher, int position)
Operation
iterateMatches
in class OpRepeat
matcher
- supplies the context for the matching; may be updated with information about
captured groupsposition
- the start position to seek a matchCopyright (c) 2004-2022 Saxonica Limited. All rights reserved.