iText 5 itextpdf.jar Source Code

itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

✍: FYIcenter.com

com/itextpdf/text/pdf/hyphenation/SimplePatternParser.java

/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2020 iText Group NV
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS
 *
 * This program 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 Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
package com.itextpdf.text.pdf.hyphenation;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Map;
import java.util.StringTokenizer;

import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler;
import com.itextpdf.text.xml.simpleparser.SimpleXMLParser;

/** Parses the xml hyphenation pattern.
 *
 * @author Paulo Soares
 */
public class SimplePatternParser implements SimpleXMLDocHandler,
		PatternConsumer {
	int currElement;

	PatternConsumer consumer;

	StringBuffer token;

	ArrayList<Object> exception;

	char hyphenChar;

	SimpleXMLParser parser;

	static final int ELEM_CLASSES = 1;

	static final int ELEM_EXCEPTIONS = 2;

	static final int ELEM_PATTERNS = 3;

	static final int ELEM_HYPHEN = 4;

	/** Creates a new instance of PatternParser2 */
	public SimplePatternParser() {
		token = new StringBuffer();
		hyphenChar = '-'; // default
	}

	public void parse(InputStream stream, PatternConsumer consumer) {
		this.consumer = consumer;
		try {
			SimpleXMLParser.parse(this, stream);
		} catch (IOException e) {
			throw new ExceptionConverter(e);
		} finally {
			try {
				stream.close();
			} catch (Exception e) {
			}
		}
	}

	protected static String getPattern(String word) {
		StringBuffer pat = new StringBuffer();
		int len = word.length();
		for (int i = 0; i < len; i++) {
			if (!Character.isDigit(word.charAt(i))) {
				pat.append(word.charAt(i));
			}
		}
		return pat.toString();
	}

	protected ArrayList<Object> normalizeException(ArrayList<Object> ex) {
		ArrayList<Object> res = new ArrayList<Object>();
		for (int i = 0; i < ex.size(); i++) {
			Object item = ex.get(i);
			if (item instanceof String) {
				String str = (String) item;
				StringBuffer buf = new StringBuffer();
				for (int j = 0; j < str.length(); j++) {
					char c = str.charAt(j);
					if (c != hyphenChar) {
						buf.append(c);
					} else {
						res.add(buf.toString());
						buf.setLength(0);
						char[] h = new char[1];
						h[0] = hyphenChar;
						// we use here hyphenChar which is not necessarily
						// the one to be printed
						res.add(new Hyphen(new String(h), null, null));
					}
				}
				if (buf.length() > 0) {
					res.add(buf.toString());
				}
			} else {
				res.add(item);
			}
		}
		return res;
	}

	protected String getExceptionWord(ArrayList<Object> ex) {
		StringBuffer res = new StringBuffer();
		for (int i = 0; i < ex.size(); i++) {
			Object item = ex.get(i);
			if (item instanceof String) {
				res.append((String) item);
			} else {
				if (((Hyphen) item).noBreak != null) {
					res.append(((Hyphen) item).noBreak);
				}
			}
		}
		return res.toString();
	}

	protected static String getInterletterValues(String pat) {
		StringBuffer il = new StringBuffer();
		String word = pat + "a"; // add dummy letter to serve as sentinel
		int len = word.length();
		for (int i = 0; i < len; i++) {
			char c = word.charAt(i);
			if (Character.isDigit(c)) {
				il.append(c);
				i++;
			} else {
				il.append('0');
			}
		}
		return il.toString();
	}

	public void endDocument() {
	}

	@SuppressWarnings("unchecked")
    public void endElement(String tag) {
		if (token.length() > 0) {
			String word = token.toString();
			switch (currElement) {
			case ELEM_CLASSES:
				consumer.addClass(word);
				break;
			case ELEM_EXCEPTIONS:
				exception.add(word);
				exception = normalizeException(exception);
				consumer.addException(getExceptionWord(exception),
						(ArrayList<Object>) exception.clone());
				break;
			case ELEM_PATTERNS:
				consumer.addPattern(getPattern(word),
						getInterletterValues(word));
				break;
			case ELEM_HYPHEN:
				// nothing to do
				break;
			}
			if (currElement != ELEM_HYPHEN) {
				token.setLength(0);
			}
		}
		if (currElement == ELEM_HYPHEN) {
			currElement = ELEM_EXCEPTIONS;
		} else {
			currElement = 0;
		}
	}

	public void startDocument() {
	}

	public void startElement(String tag, Map<String, String> h) {
		if (tag.equals("hyphen-char")) {
			String hh = h.get("value");
			if (hh != null && hh.length() == 1) {
				hyphenChar = hh.charAt(0);
			}
		} else if (tag.equals("classes")) {
			currElement = ELEM_CLASSES;
		} else if (tag.equals("patterns")) {
			currElement = ELEM_PATTERNS;
		} else if (tag.equals("exceptions")) {
			currElement = ELEM_EXCEPTIONS;
			exception = new ArrayList<Object>();
		} else if (tag.equals("hyphen")) {
			if (token.length() > 0) {
				exception.add(token.toString());
			}
			exception.add(new Hyphen(h.get("pre"), h
					.get("no"), h.get("post")));
			currElement = ELEM_HYPHEN;
		}
		token.setLength(0);
	}

	@SuppressWarnings("unchecked")
    public void text(String str) {
		StringTokenizer tk = new StringTokenizer(str);
		while (tk.hasMoreTokens()) {
			String word = tk.nextToken();
			// System.out.println("\"" + word + "\"");
			switch (currElement) {
			case ELEM_CLASSES:
				consumer.addClass(word);
				break;
			case ELEM_EXCEPTIONS:
				exception.add(word);
				exception = normalizeException(exception);
				consumer.addException(getExceptionWord(exception),
						(ArrayList<Object>) exception.clone());
				exception.clear();
				break;
			case ELEM_PATTERNS:
				consumer.addPattern(getPattern(word),
						getInterletterValues(word));
				break;
			}
		}
	}

	// PatternConsumer implementation for testing purposes
	public void addClass(String c) {
		System.out.println("class: " + c);
	}

	public void addException(String w, ArrayList<Object> e) {
		System.out.println("exception: " + w + " : " + e.toString());
	}

	public void addPattern(String p, String v) {
		System.out.println("pattern: " + p + " : " + v);
	}
	/*
	public static void main(String[] args) throws Exception {
		try {
			if (args.length > 0) {
				SimplePatternParser pp = new SimplePatternParser();
				pp.parse(new FileInputStream(args[0]), pp);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	*/
}

com/itextpdf/text/pdf/hyphenation/SimplePatternParser.java

 

⇒ iText-2.1.6.jar - iText, a JAVA-PDF library

⇐ iText layout.jar Source Code

⇑ Download and Install iText Java Library

⇑⇑ iText for PDF Generation

2021-07-03, 47920👍, 0💬