--- /dev/null
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.opendaylight.yangtools.xsd.regex;
+
+import java.text.CharacterIterator;
+
+/**
+ * An instance of this class has ranges captured in matching.
+ *
+ * @xerces.internal
+ *
+ * @see RegularExpression#matches(char[], int, int, Match)
+ * @see RegularExpression#matches(char[], Match)
+ * @see RegularExpression#matches(java.text.CharacterIterator, Match)
+ * @see RegularExpression#matches(java.lang.String, int, int, Match)
+ * @see RegularExpression#matches(java.lang.String, Match)
+ * @author TAMURA Kent <kent@trl.ibm.co.jp>
+ * @version $Id: Match.java 446721 2006-09-15 20:35:34Z mrglavas $
+ */
+public class Match implements Cloneable {
+ int[] beginpos = null;
+ int[] endpos = null;
+ int nofgroups = 0;
+
+ CharacterIterator ciSource = null;
+ String strSource = null;
+ char[] charSource = null;
+
+ /**
+ * Creates an instance.
+ */
+ public Match() {
+ }
+
+ /**
+ *
+ */
+ public synchronized Object clone() {
+ Match ma = new Match();
+ if (this.nofgroups > 0) {
+ ma.setNumberOfGroups(this.nofgroups);
+ if (this.ciSource != null) ma.setSource(this.ciSource);
+ if (this.strSource != null) ma.setSource(this.strSource);
+ for (int i = 0; i < this.nofgroups; i ++) {
+ ma.setBeginning(i, this.getBeginning(i));
+ ma.setEnd(i, this.getEnd(i));
+ }
+ }
+ return ma;
+ }
+
+ /**
+ *
+ */
+ protected void setNumberOfGroups(int n) {
+ int oldn = this.nofgroups;
+ this.nofgroups = n;
+ if (oldn <= 0
+ || oldn < n || n*2 < oldn) {
+ this.beginpos = new int[n];
+ this.endpos = new int[n];
+ }
+ for (int i = 0; i < n; i ++) {
+ this.beginpos[i] = -1;
+ this.endpos[i] = -1;
+ }
+ }
+
+ /**
+ *
+ */
+ protected void setSource(CharacterIterator ci) {
+ this.ciSource = ci;
+ this.strSource = null;
+ this.charSource = null;
+ }
+ /**
+ *
+ */
+ protected void setSource(String str) {
+ this.ciSource = null;
+ this.strSource = str;
+ this.charSource = null;
+ }
+ /**
+ *
+ */
+ protected void setSource(char[] chars) {
+ this.ciSource = null;
+ this.strSource = null;
+ this.charSource = chars;
+ }
+
+ /**
+ *
+ */
+ protected void setBeginning(int index, int v) {
+ this.beginpos[index] = v;
+ }
+
+ /**
+ *
+ */
+ protected void setEnd(int index, int v) {
+ this.endpos[index] = v;
+ }
+
+ /**
+ * Return the number of regular expression groups.
+ * This method returns 1 when the regular expression has no capturing-parenthesis.
+ */
+ public int getNumberOfGroups() {
+ if (this.nofgroups <= 0)
+ throw new IllegalStateException("A result is not set.");
+ return this.nofgroups;
+ }
+
+ /**
+ * Return a start position in the target text matched to specified regular expression group.
+ *
+ * @param index Less than <code>getNumberOfGroups()</code>.
+ */
+ public int getBeginning(int index) {
+ if (this.beginpos == null)
+ throw new IllegalStateException("A result is not set.");
+ if (index < 0 || this.nofgroups <= index)
+ throw new IllegalArgumentException("The parameter must be less than "
+ +this.nofgroups+": "+index);
+ return this.beginpos[index];
+ }
+
+ /**
+ * Return an end position in the target text matched to specified regular expression group.
+ *
+ * @param index Less than <code>getNumberOfGroups()</code>.
+ */
+ public int getEnd(int index) {
+ if (this.endpos == null)
+ throw new IllegalStateException("A result is not set.");
+ if (index < 0 || this.nofgroups <= index)
+ throw new IllegalArgumentException("The parameter must be less than "
+ +this.nofgroups+": "+index);
+ return this.endpos[index];
+ }
+
+ /**
+ * Return an substring of the target text matched to specified regular expression group.
+ *
+ * @param index Less than <code>getNumberOfGroups()</code>.
+ */
+ public String getCapturedText(int index) {
+ if (this.beginpos == null)
+ throw new IllegalStateException("match() has never been called.");
+ if (index < 0 || this.nofgroups <= index)
+ throw new IllegalArgumentException("The parameter must be less than "
+ +this.nofgroups+": "+index);
+ String ret;
+ int begin = this.beginpos[index], end = this.endpos[index];
+ if (begin < 0 || end < 0) return null;
+ if (this.ciSource != null) {
+ ret = REUtil.substring(this.ciSource, begin, end);
+ } else if (this.strSource != null) {
+ ret = this.strSource.substring(begin, end);
+ } else {
+ ret = new String(this.charSource, begin, end-begin);
+ }
+ return ret;
+ }
+}
Code Review / yangtools.git / blobdiff