/* -*- mode: Java; c-basic-offset: 4; indent-tabs-mode: nil; -*- //------100-columns-wide------>|*/ /* * Copyright (c) 2002 Extreme! Lab, Indiana University. All rights reserved. * * This software is open source. See the bottom of this file for the licence. * * $Id: XppCount.java,v 1.6 2003/04/06 00:04:01 aslom Exp $ */ package shared.count; import java.io.Reader; import java.io.IOException; import org.gjt.xpp.*; public class XppCount { // made public for simplicity ... public String factoryClassName; public boolean supportNamespaces; public boolean trace; public boolean disallowMixedContent; public int speedTest; public boolean nowait; public int softLimit = -1; public int hardLimit = -1; //parsing statistics public int attrCount; public int characterCount; public int elementCount; private XmlPullParser pp; private XmlStartTag stag; private XmlEndTag etag; private void setup(ProgressObserver po) throws XmlPullParserException { attrCount = characterCount = elementCount = 0; XmlPullParserFactory factory = XmlPullParserFactory.newInstance(factoryClassName); po.verbose("using factory "+factory.getClass()); etag = factory.newEndTag(); stag = factory.newStartTag(); pp = factory.newPullParser(); pp.setNamespaceAware(supportNamespaces); if(disallowMixedContent) pp.setAllowedMixedContent(false); // if(softLimit != -1) { // if(pp instanceof XmlPullParserBufferControl) { // ((XmlPullParserBufferControl)pp).setSoftLimit(softLimit); // } else { // po.verbose("could not set soft limit as this "+pp.getClass() // +" does not support interface "+XmlPullParserBufferControl.class); // } // } // if(hardLimit != -1) { // if(pp instanceof XmlPullParserBufferControl) { // ((XmlPullParserBufferControl)pp).setHardLimit(softLimit); // } else { // po.verbose("could not set hard limit as this "+pp.getClass() // +" does not support interface "+XmlPullParserBufferControl.class); // } // } } private void tearDown() { pp = null; } /** * Run speed test - return wall time in miliseconds */ private long speedTest( ReaderFactory readerFactory, ProgressObserver po) throws XmlPullParserException, IOException { final int runs = speedTest; if(speedTest <= 0) throw new IllegalArgumentException( "speedTest count must be positive not "+speedTest); final long startMillis = System.currentTimeMillis(); for(int i = 0; i < runs; ++i) { if(po.stopRequested()) { po.println("Parsing interrupted!"); return -1; } Reader reader = readerFactory.newReader(); pp.setInput(reader); byte type; while((type = pp.next()) != XmlPullParser.END_DOCUMENT) { if(type == XmlPullParser.CONTENT) { //String s = pp.readContent(); //characterCount += s.length(); characterCount += pp.getContentLength(); } else if(type == XmlPullParser.START_TAG) { pp.readStartTag(stag); ++elementCount; attrCount += stag.getAttributeCount(); } } reader.close(); } final long endMillis = System.currentTimeMillis(); final long walltimeMillis = endMillis - startMillis; return walltimeMillis; } private void prettyParse(Reader r, ProgressObserver po) throws XmlPullParserException, IOException { pp.setInput(r); byte type; while((type = pp.next()) != XmlPullParser.END_DOCUMENT) { if(po.stopRequested()) { po.println("Parsing interrupted!"); break; } if(type == XmlPullParser.CONTENT) { String s = pp.readContent(); po.println("Content={'"+escape(s)+"'}"); characterCount += s.length(); } else if(type == XmlPullParser.END_TAG) { pp.readEndTag(etag); po.println(""+etag); } else if(type == XmlPullParser.START_TAG) { pp.readStartTag(stag); po.println(""+stag); ++elementCount; attrCount += stag.getAttributeCount(); } } } private static String escape(String s) { StringBuffer buf = new StringBuffer(s.length()); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if(c == '\n') { buf.append("\\n"); } else if(c == '\r') { buf.append("\\r"); } else if(c == '\t') { buf.append("\\t"); } else if(c == '\\') { buf.append("\\"); } else if(c == '"') { buf.append('"'); } else if(c < 32) { buf.append("\\x"+Integer.toHexString(c)); } else { buf.append(c); } } return buf.toString(); } private static String to1000th(long v) { long vM = v % 1000; String sM = "" + vM; if(sM.length() == 1) { sM = "00" + sM; } else if(sM.length() == 2) { sM = "0" + sM; } String s = v / 1000 + "." + sM; return s; } public void runTest(String inputName, ReaderFactory rf, ProgressObserver po) throws XmlPullParserException, IOException { setup(po); if(speedTest > 0) { po.verbose("run speed test for "+inputName+" "+ speedTest+" times"); long walltime = speedTest(rf, po); if(walltime > 0) { //long duration = walltime / speedTest; po.print( inputName + ": "); // all this pain as J2ME does not support double/float String ms = to1000th((1000 * walltime) / speedTest); String s = to1000th(walltime); po.println("parse duration " + ms + " [ms]" +" total: " + s + " [s]"); } } else { po.verbose("pretty printing parsed input "+inputName); po.verbose("================ START PARSING: "+inputName); Reader r = rf.newReader(); prettyParse(r, po); po.verbose("================ END PARSING"); } po.println("statistics: " + elementCount + " elems, " + attrCount + " attrs, " + characterCount + " chars" ); tearDown(); } } /* * Indiana University Extreme! Lab Software License, Version 1.2 * * Copyright (C) 2002 The Trustees of Indiana University. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * 1) All redistributions of source code must retain the above * copyright notice, the list of authors in the original source * code, this list of conditions and the disclaimer listed in this * license; * * 2) All redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the disclaimer * listed in this license in the documentation and/or other * materials provided with the distribution; * * 3) Any documentation included with all redistributions must include * the following acknowledgement: * * "This product includes software developed by the Indiana * University Extreme! Lab. For further information please visit * http://www.extreme.indiana.edu/" * * Alternatively, this acknowledgment may appear in the software * itself, and wherever such third-party acknowledgments normally * appear. * * 4) The name "Indiana University" or "Indiana University * Extreme! Lab" shall not be used to endorse or promote * products derived from this software without prior written * permission from Indiana University. For written permission, * please contact http://www.extreme.indiana.edu/. * * 5) Products derived from this software may not use "Indiana * University" name nor may "Indiana University" appear in their name, * without prior written permission of the Indiana University. * * Indiana University provides no reassurances that the source code * provided does not infringe the patent or any other intellectual * property rights of any other entity. Indiana University disclaims any * liability to any recipient for claims brought by any other entity * based on infringement of intellectual property rights or otherwise. * * LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH * NO WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA * UNIVERSITY GIVES NO WARRANTIES AND MAKES NO REPRESENTATION THAT * SOFTWARE IS FREE OF INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR * OTHER PROPRIETARY RIGHTS. INDIANA UNIVERSITY MAKES NO WARRANTIES THAT * SOFTWARE IS FREE FROM "BUGS", "VIRUSES", "TROJAN HORSES", "TRAP * DOORS", "WORMS", OR OTHER HARMFUL CODE. LICENSEE ASSUMES THE ENTIRE * RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR ASSOCIATED MATERIALS, * AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION GENERATED USING * SOFTWARE. */