diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/PdfContentParser.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/PdfContentParser.java | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/PdfContentParser.java b/src/main/java/com/lowagie/text/pdf/PdfContentParser.java deleted file mode 100644 index af731bc..0000000 --- a/src/main/java/com/lowagie/text/pdf/PdfContentParser.java +++ /dev/null @@ -1,204 +0,0 @@ -/*
- * $Id: PdfContentParser.java,v 1.4 2006/05/27 11:11:54 psoares33 Exp $
- *
- * Copyright 2005 by Paulo Soares.
- *
- * The contents of this file are subject to the Mozilla Public License Version 1.1
- * (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.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the License.
- *
- * The Original Code is 'iText, a free JAVA-PDF library'.
- *
- * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
- * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
- * All Rights Reserved.
- * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
- * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
- *
- * Contributor(s): all the names of the contributors are added in the source code
- * where applicable.
- *
- * Alternatively, the contents of this file may be used under the terms of the
- * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
- * provisions of LGPL are applicable instead of those above. If you wish to
- * allow use of your version of this file only under the terms of the LGPL
- * License and not to allow others to use your version of this file under
- * the MPL, indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by the LGPL.
- * If you do not delete the provisions above, a recipient may use your version
- * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the MPL as stated above or under the terms of the GNU
- * Library General Public License as published by the Free Software Foundation;
- * either version 2 of the License, or any later version.
- *
- * This library 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 Library general Public License for more
- * details.
- *
- * If you didn't download this code from the following link, you should check if
- * you aren't using an obsolete version:
- * http://www.lowagie.com/iText/
- */
-
-package com.lowagie.text.pdf;
-
-import java.io.IOException;
-import java.util.ArrayList;
-/**
- * Parses the page or template content.
- * @author Paulo Soares (psoares@consiste.pt)
- */
-public class PdfContentParser {
-
- /**
- * Commands have this type.
- */
- public static final int COMMAND_TYPE = 200;
- /**
- * Holds value of property tokeniser.
- */
- private PRTokeniser tokeniser;
-
- /**
- * Creates a new instance of PdfContentParser
- * @param tokeniser the tokeniser with the content
- */
- public PdfContentParser(PRTokeniser tokeniser) {
- this.tokeniser = tokeniser;
- }
-
- /**
- * Parses a single command from the content. Each command is output as an array of arguments
- * having the command itself as the last element. The returned array will be empty if the
- * end of content was reached.
- * @param ls an <CODE>ArrayList</CODE> to use. It will be cleared before using. If it's
- * <CODE>null</CODE> will create a new <CODE>ArrayList</CODE>
- * @return the same <CODE>ArrayList</CODE> given as argument or a new one
- * @throws IOException on error
- */
- public ArrayList parse(ArrayList ls) throws IOException {
- if (ls == null)
- ls = new ArrayList();
- else
- ls.clear();
- PdfObject ob = null;
- while ((ob = readPRObject()) != null) {
- ls.add(ob);
- if (ob.type() == COMMAND_TYPE)
- break;
- }
- return ls;
- }
-
- /**
- * Gets the tokeniser.
- * @return the tokeniser.
- */
- public PRTokeniser getTokeniser() {
- return this.tokeniser;
- }
-
- /**
- * Sets the tokeniser.
- * @param tokeniser the tokeniser
- */
- public void setTokeniser(PRTokeniser tokeniser) {
- this.tokeniser = tokeniser;
- }
-
- /**
- * Reads a dictionary. The tokeniser must be positioned past the "<<" token.
- * @return the dictionary
- * @throws IOException on error
- */
- public PdfDictionary readDictionary() throws IOException {
- PdfDictionary dic = new PdfDictionary();
- while (true) {
- if (!nextValidToken())
- throw new IOException("Unexpected end of file.");;
- if (tokeniser.getTokenType() == PRTokeniser.TK_END_DIC)
- break;
- if (tokeniser.getTokenType() != PRTokeniser.TK_NAME)
- throw new IOException("Dictionary key is not a name.");
- PdfName name = new PdfName(tokeniser.getStringValue(), false);
- PdfObject obj = readPRObject();
- int type = obj.type();
- if (-type == PRTokeniser.TK_END_DIC)
- throw new IOException("Unexpected '>>'");
- if (-type == PRTokeniser.TK_END_ARRAY)
- throw new IOException("Unexpected ']'");
- dic.put(name, obj);
- }
- return dic;
- }
-
- /**
- * Reads an array. The tokeniser must be positioned past the "[" token.
- * @return an array
- * @throws IOException on error
- */
- public PdfArray readArray() throws IOException {
- PdfArray array = new PdfArray();
- while (true) {
- PdfObject obj = readPRObject();
- int type = obj.type();
- if (-type == PRTokeniser.TK_END_ARRAY)
- break;
- if (-type == PRTokeniser.TK_END_DIC)
- throw new IOException("Unexpected '>>'");
- array.add(obj);
- }
- return array;
- }
-
- /**
- * Reads a pdf object.
- * @return the pdf object
- * @throws IOException on error
- */
- public PdfObject readPRObject() throws IOException {
- if (!nextValidToken())
- return null;
- int type = tokeniser.getTokenType();
- switch (type) {
- case PRTokeniser.TK_START_DIC: {
- PdfDictionary dic = readDictionary();
- return dic;
- }
- case PRTokeniser.TK_START_ARRAY:
- return readArray();
- case PRTokeniser.TK_STRING:
- PdfString str = new PdfString(tokeniser.getStringValue(), null).setHexWriting(tokeniser.isHexString());
- return str;
- case PRTokeniser.TK_NAME:
- return new PdfName(tokeniser.getStringValue(), false);
- case PRTokeniser.TK_NUMBER:
- return new PdfNumber(tokeniser.getStringValue());
- case PRTokeniser.TK_OTHER:
- return new PdfLiteral(COMMAND_TYPE, tokeniser.getStringValue());
- default:
- return new PdfLiteral(-type, tokeniser.getStringValue());
- }
- }
-
- /**
- * Reads the next token skipping over the comments.
- * @return <CODE>true</CODE> if a token was read, <CODE>false</CODE> if the end of content was reached
- * @throws IOException on error
- */
- public boolean nextValidToken() throws IOException {
- while (tokeniser.nextToken()) {
- if (tokeniser.getTokenType() == PRTokeniser.TK_COMMENT)
- continue;
- return true;
- }
- return false;
- }
-}
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