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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
/*
* Copyright 2000 Finn Bock
*
* This program contains material copyrighted by:
* Copyright (c) 1997-2000 by Secret Labs AB. All rights reserved.
*
* This version of the SRE library can be redistributed under CNRI's
* Python 1.6 license. For any other use, please contact Secret Labs
* AB ([email protected]).
*
* Portions of this engine have been developed in cooperation with
* CNRI. Hewlett-Packard provided funding for 1.6 integration and
* other compatibility work.
*/
package org.python.modules.sre;
import org.python.core.*;
public class ScannerObject extends PyObject implements Traverseproc {
public PatternObject pattern;
PyString string;
SRE_STATE state;
public MatchObject match() {
state.state_reset();
state.ptr = state.start;
int status = state.SRE_MATCH(pattern.code, 0, 1);
MatchObject match = pattern._pattern_new_match(state, string, status);
if (status == 0 || state.ptr == state.start)
state.start = state.ptr + 1;
else
state.start = state.ptr;
return match;
}
public MatchObject search() {
state.state_reset();
state.ptr = state.start;
int status = state.SRE_SEARCH(pattern.code, 0);
MatchObject match = pattern._pattern_new_match(state, string, status);
if (status == 0 || state.ptr == state.start)
state.start = state.ptr + 1;
else
state.start = state.ptr;
return match;
}
/* Traverseproc implementation */
@Override
public int traverse(Visitproc visit, Object arg) {
if (pattern != null) {
int retVal = visit.visit(pattern, arg);
if (retVal != 0) {
return retVal;
}
}
return string != null ? visit.visit(string, arg) : 0;
}
@Override
public boolean refersDirectlyTo(PyObject ob) {
return ob != null && (ob == pattern || ob == string);
}
}