Title:
- *Description:
- *Copyright: Copyright (c) 2003
- *Company:
- * @author not attributable - * @version 1.0 - */ - -public class SimpleParser { - private String data; - private int position; - - /** - * - * @param aData - */ - - public SimpleParser(String aData) { - data=aData; - position=0; - } - - /** - * - * @param aRegularExpression - * @return - * @throws SimpleParserExc - */ - - public boolean parses(RE aRegularExpression) throws SimpleParserExc { - REMatch match = aRegularExpression.getMatch(data, position); - - return (match!=null && match.getStartIndex()==position) ; - } - - /** - * - * @param aRegularExpression - * @param aMessage - * @return - * @throws SimpleParserExc - */ - - public String parse(RE aRegularExpression, String aMessage) throws SimpleParserExc { - REMatch match = aRegularExpression.getMatch(data, position); - - if (match==null || match.getStartIndex()!=position) - throw new SimpleParserExc(aMessage+" at position "+position+" in '"+data+"'"); - - position=match.getEndIndex(); - - return match.toString(); - } - - /** - * - * @param aRegularExpression - * @return - * @throws SimpleParserExc - */ - - public String parse(RE aRegularExpression) throws SimpleParserExc { - return parse( aRegularExpression, "No match found for '"+aRegularExpression.toString()+"'"); - } - - /** - * - * @param aRegularExpression - * @throws SimpleParserExc - */ - - public void skip(RE aRegularExpression) throws SimpleParserExc { - REMatch match = aRegularExpression.getMatch(data, position); - - if (match!=null && match.getStartIndex()==position) - position=match.getEndIndex(); - } - - /** - * - * @param anExpression - * @return - * @throws SimpleParserExc - */ - - public boolean parses(String anExpression) throws SimpleParserExc { - try { - return parses(new RE(anExpression)); - } - catch (SimpleParserExc e) { - throw e; - } - catch (REException e) { - throw new SimpleParserFailure( "Error compiling regular expression '" + anExpression + "': " + e.getMessage(), e); - } - catch (Throwable t) { - throw new SimpleParserFailure( t ); - } - } - - /** - * - * @param anExpression - * @return - * @throws SimpleParserExc - * @throws SimpleParserFailure - */ - - public String parse(String anExpression) throws SimpleParserExc, SimpleParserFailure { - try { - return parse(new RE(anExpression)); - } - catch (SimpleParserExc e) { - throw e; - } - catch (REException e) { - throw new SimpleParserFailure( "Error compiling regular expression '" + anExpression + "': " + e.getMessage(), e); - } - catch (Throwable t) { - throw new SimpleParserFailure( t ); - } - } - - /** - * - * @param anExpression - * @param aMessage - * @return - * @throws SimpleParserExc - * @throws SimpleParserFailure - */ - - public String parse(String anExpression, String aMessage) throws SimpleParserExc, SimpleParserFailure { - try { - return parse(new RE(anExpression), aMessage); - } - catch (SimpleParserExc e) { - throw e; - } - catch (REException e) { - throw new SimpleParserFailure( "Error compiling regular expression '" + anExpression + "': " + e.getMessage(), e); - } - catch (Throwable t) { - throw new SimpleParserFailure( t ); - } - } - - /** - * - * @param anExpression - * @throws SimpleParserExc - * @throws SimpleParserFailure - */ - - public void skip(String anExpression) throws SimpleParserExc, SimpleParserFailure { - try { - skip(new RE(anExpression)); - } - catch (SimpleParserExc e) { - throw e; - } - catch (REException e) { - throw new SimpleParserFailure( "Error compiling regular expression '" + anExpression + "': " + e.getMessage(), e); - } - catch (Throwable t) { - throw new SimpleParserFailure( t ); - } - } - - /** - * - * @return true if the parser is at the end of the data - */ - - public boolean isAtEnd() { - return position>=data.length(); - } - - /** - * - * @return - */ - public String remainingData() { - return data.substring(position); - } - - /** - * - *Title:
- *Description:
- *Copyright: Copyright (c) 2003
- *Company:
- * @author not attributable - * @version 1.0 - */ - - public static class SimpleParserFailure extends Failure { - public SimpleParserFailure(Throwable aThrowable) { - super(aThrowable.getMessage(), aThrowable); - } - - public SimpleParserFailure(String aMessage, Throwable aThrowable) { - super(aMessage, aThrowable); - } - } - - public static class SimpleParserExc extends Exc { - public SimpleParserExc(String aMessage) { - super(aMessage); - } - } +/* + * Copyright (C) 2001, 2002 The Mir-coders group + * + * This file is part of Mir. + * + * Mir is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Mir is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Mir; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * In addition, as a special exception, The Mir-coders gives permission to link + * the code of this program with any library licensed under the Apache Software License, + * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library + * (or with modified versions of the above that use the same license as the above), + * and distribute linked combinations including the two. You must obey the + * GNU General Public License in all respects for all of the code used other than + * the above mentioned libraries. If you modify this file, you may extend this + * exception to your version of the file, but you are not obligated to do so. + * If you do not wish to do so, delete this exception statement from your version. + */ + +package mir.util; + +import gnu.regexp.RE; +import gnu.regexp.REException; +import gnu.regexp.REMatch; +import multex.Exc; +import multex.Failure; + +/** + * a class to do some basic, regexp based parsing of character data + * + *Title:
+ *Description:
+ *Copyright: Copyright (c) 2003
+ *Company:
+ * @author not attributable + * @version 1.0 + */ + +public class SimpleParser { + private String data; + private int position; + + /** + * + * @param aData + */ + + public SimpleParser(String aData) { + data=aData; + position=0; + } + + /** + * + * @param aRegularExpression + * @return + * @throws SimpleParserExc + */ + + public boolean parses(RE aRegularExpression) throws SimpleParserExc { + REMatch match = aRegularExpression.getMatch(data, position); + + return (match!=null && match.getStartIndex()==position) ; + } + + /** + * + * @param aRegularExpression + * @param aMessage + * @return + * @throws SimpleParserExc + */ + + public String parse(RE aRegularExpression, String aMessage) throws SimpleParserExc { + REMatch match = aRegularExpression.getMatch(data, position); + + if (match==null || match.getStartIndex()!=position) + throw new SimpleParserExc(aMessage+" at position "+position+" in '"+data+"'"); + + position=match.getEndIndex(); + + return match.toString(); + } + + /** + * + * @param aRegularExpression + * @return + * @throws SimpleParserExc + */ + + public String parse(RE aRegularExpression) throws SimpleParserExc { + return parse( aRegularExpression, "No match found for '"+aRegularExpression.toString()+"'"); + } + + /** + * + * @param aRegularExpression + * @throws SimpleParserExc + */ + + public void skip(RE aRegularExpression) throws SimpleParserExc { + REMatch match = aRegularExpression.getMatch(data, position); + + if (match!=null && match.getStartIndex()==position) + position=match.getEndIndex(); + } + + /** + * + * @param anExpression + * @return + * @throws SimpleParserExc + */ + + public boolean parses(String anExpression) throws SimpleParserExc { + try { + return parses(new RE(anExpression)); + } + catch (SimpleParserExc e) { + throw e; + } + catch (REException e) { + throw new SimpleParserFailure( "Error compiling regular expression '" + anExpression + "': " + e.getMessage(), e); + } + catch (Throwable t) { + throw new SimpleParserFailure( t ); + } + } + + /** + * + * @param anExpression + * @return + * @throws SimpleParserExc + * @throws SimpleParserFailure + */ + + public String parse(String anExpression) throws SimpleParserExc, SimpleParserFailure { + try { + return parse(new RE(anExpression)); + } + catch (SimpleParserExc e) { + throw e; + } + catch (REException e) { + throw new SimpleParserFailure( "Error compiling regular expression '" + anExpression + "': " + e.getMessage(), e); + } + catch (Throwable t) { + throw new SimpleParserFailure( t ); + } + } + + /** + * + * @param anExpression + * @param aMessage + * @return + * @throws SimpleParserExc + * @throws SimpleParserFailure + */ + + public String parse(String anExpression, String aMessage) throws SimpleParserExc, SimpleParserFailure { + try { + return parse(new RE(anExpression), aMessage); + } + catch (SimpleParserExc e) { + throw e; + } + catch (REException e) { + throw new SimpleParserFailure( "Error compiling regular expression '" + anExpression + "': " + e.getMessage(), e); + } + catch (Throwable t) { + throw new SimpleParserFailure( t ); + } + } + + /** + * + * @param anExpression + * @throws SimpleParserExc + * @throws SimpleParserFailure + */ + + public void skip(String anExpression) throws SimpleParserExc, SimpleParserFailure { + try { + skip(new RE(anExpression)); + } + catch (SimpleParserExc e) { + throw e; + } + catch (REException e) { + throw new SimpleParserFailure( "Error compiling regular expression '" + anExpression + "': " + e.getMessage(), e); + } + catch (Throwable t) { + throw new SimpleParserFailure( t ); + } + } + + /** + * + * @return true if the parser is at the end of the data + */ + + public boolean isAtEnd() { + return position>=data.length(); + } + + /** + * + * @return + */ + public String remainingData() { + return data.substring(position); + } + + /** + * + *Title:
+ *Description:
+ *Copyright: Copyright (c) 2003
+ *Company:
+ * @author not attributable + * @version 1.0 + */ + + public static class SimpleParserFailure extends Failure { + public SimpleParserFailure(Throwable aThrowable) { + super(aThrowable.getMessage(), aThrowable); + } + + public SimpleParserFailure(String aMessage, Throwable aThrowable) { + super(aMessage, aThrowable); + } + } + + public static class SimpleParserExc extends Exc { + public SimpleParserExc(String aMessage) { + super(aMessage); + } + } } \ No newline at end of file