From 13d6dc3a6a5e8bd3c17997351a0e6f087eb301a2 Mon Sep 17 00:00:00 2001 From: tknall Date: Tue, 25 Nov 2008 12:04:30 +0000 Subject: Removing itext from source. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@302 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../java/com/lowagie/text/pdf/PRTokeniser.java | 585 --------------------- 1 file changed, 585 deletions(-) delete mode 100644 src/main/java/com/lowagie/text/pdf/PRTokeniser.java (limited to 'src/main/java/com/lowagie/text/pdf/PRTokeniser.java') diff --git a/src/main/java/com/lowagie/text/pdf/PRTokeniser.java b/src/main/java/com/lowagie/text/pdf/PRTokeniser.java deleted file mode 100644 index 9aaa881..0000000 --- a/src/main/java/com/lowagie/text/pdf/PRTokeniser.java +++ /dev/null @@ -1,585 +0,0 @@ -/* - * $Id: PRTokeniser.java,v 1.51 2005/12/22 18:29:21 psoares33 Exp $ - * - * Copyright 2001, 2002 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.*; -/** - * - * @author Paulo Soares (psoares@consiste.pt) - */ -public class PRTokeniser { - - public static final int TK_NUMBER = 1; - public static final int TK_STRING = 2; - public static final int TK_NAME = 3; - public static final int TK_COMMENT = 4; - public static final int TK_START_ARRAY = 5; - public static final int TK_END_ARRAY = 6; - public static final int TK_START_DIC = 7; - public static final int TK_END_DIC = 8; - public static final int TK_REF = 9; - public static final int TK_OTHER = 10; - public static final boolean delims[] = { - true, true, false, false, false, false, false, false, false, false, - true, true, false, true, true, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, true, false, false, false, false, true, false, - false, true, true, false, false, false, false, false, true, false, - false, false, false, false, false, false, false, false, false, false, - false, true, false, true, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, true, false, true, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false}; - - static final String EMPTY = ""; - - - protected RandomAccessFileOrArray file; - protected int type; - protected String stringValue; - protected int reference; - protected int generation; - protected boolean hexString; - - private static final int LINE_SEGMENT_SIZE = 256; - - public PRTokeniser(String filename) throws IOException { - file = new RandomAccessFileOrArray(filename); - } - - public PRTokeniser(byte pdfIn[]) { - file = new RandomAccessFileOrArray(pdfIn); - } - - public PRTokeniser(RandomAccessFileOrArray file) { - this.file = file; - } - - public void seek(int pos) throws IOException { - file.seek(pos); - } - - public int getFilePointer() throws IOException { - return file.getFilePointer(); - } - - public void close() throws IOException { - file.close(); - } - - public int length() throws IOException { - return file.length(); - } - - public int read() throws IOException { - return file.read(); - } - - public RandomAccessFileOrArray getSafeFile() { - return new RandomAccessFileOrArray(file); - } - - public RandomAccessFileOrArray getFile() { - return file; - } - - public String readString(int size) throws IOException { - StringBuffer buf = new StringBuffer(); - int ch; - while ((size--) > 0) { - ch = file.read(); - if (ch == -1) - break; - buf.append((char)ch); - } - return buf.toString(); - } - - public static final boolean isWhitespace(int ch) { - return (ch == 0 || ch == 9 || ch == 10 || ch == 12 || ch == 13 || ch == 32); - } - - public static final boolean isDelimiter(int ch) { - return (ch == '(' || ch == ')' || ch == '<' || ch == '>' || ch == '[' || ch == ']' || ch == '/' || ch == '%'); - } - - public static final boolean isDelimiterWhitespace(int ch) { - return delims[ch + 1]; - } - - public int getTokenType() { - return type; - } - - public String getStringValue() { - return stringValue; - } - - public int getReference() { - return reference; - } - - public int getGeneration() { - return generation; - } - - public void backOnePosition(int ch) throws IOException { - if (ch != -1) - file.pushBack((byte)ch); - } - - public void throwError(String error) throws IOException { - throw new IOException(error + " at file pointer " + file.getFilePointer()); - } - - public char checkPdfHeader() throws IOException { - file.setStartOffset(0); - String str = readString(1024); - int idx = str.indexOf("%PDF-1."); - if (idx < 0) - throw new IOException("PDF header signature not found."); - file.setStartOffset(idx); - return str.charAt(idx + 7); - } - - public void checkFdfHeader() throws IOException { - file.setStartOffset(0); - String str = readString(1024); - int idx = str.indexOf("%FDF-1.2"); - if (idx < 0) - throw new IOException("FDF header signature not found."); - file.setStartOffset(idx); - } - - public int getStartxref() throws IOException { - int size = Math.min(1024, file.length()); - int pos = file.length() - size; - file.seek(pos); - String str = readString(1024); - int idx = str.lastIndexOf("startxref"); - if (idx < 0) - throw new IOException("PDF startxref not found."); - return pos + idx; - } - - public static int getHex(int v) { - if (v >= '0' && v <= '9') - return v - '0'; - if (v >= 'A' && v <= 'F') - return v - 'A' + 10; - if (v >= 'a' && v <= 'f') - return v - 'a' + 10; - return -1; - } - - public void nextValidToken() throws IOException { - int level = 0; - String n1 = null; - String n2 = null; - int ptr = 0; - while (nextToken()) { - if (type == TK_COMMENT) - continue; - switch (level) { - case 0: - { - if (type != TK_NUMBER) - return; - ptr = file.getFilePointer(); - n1 = stringValue; - ++level; - break; - } - case 1: - { - if (type != TK_NUMBER) { - file.seek(ptr); - type = TK_NUMBER; - stringValue = n1; - return; - } - n2 = stringValue; - ++level; - break; - } - default: - { - if (type != TK_OTHER || !stringValue.equals("R")) { - file.seek(ptr); - type = TK_NUMBER; - stringValue = n1; - return; - } - type = TK_REF; - reference = Integer.parseInt(n1); - generation = Integer.parseInt(n2); - return; - } - } - } - throwError("Unexpected end of file"); - } - - public boolean nextToken() throws IOException { - StringBuffer outBuf = null; - stringValue = EMPTY; - int ch = 0; - do { - ch = file.read(); - } while (ch != -1 && isWhitespace(ch)); - if (ch == -1) - return false; - switch (ch) { - case '[': - type = TK_START_ARRAY; - break; - case ']': - type = TK_END_ARRAY; - break; - case '/': - { - outBuf = new StringBuffer(); - type = TK_NAME; - while (true) { - ch = file.read(); - if (delims[ch + 1]) - break; - if (ch == '#') { - ch = (getHex(file.read()) << 4) + getHex(file.read()); - } - outBuf.append((char)ch); - } - backOnePosition(ch); - break; - } - case '>': - ch = file.read(); - if (ch != '>') - throwError("'>' not expected"); - type = TK_END_DIC; - break; - case '<': - { - int v1 = file.read(); - if (v1 == '<') { - type = TK_START_DIC; - break; - } - outBuf = new StringBuffer(); - type = TK_STRING; - hexString = true; - int v2 = 0; - while (true) { - while (isWhitespace(v1)) - v1 = file.read(); - if (v1 == '>') - break; - v1 = getHex(v1); - if (v1 < 0) - break; - v2 = file.read(); - while (isWhitespace(v2)) - v2 = file.read(); - if (v2 == '>') { - ch = v1 << 4; - outBuf.append((char)ch); - break; - } - v2 = getHex(v2); - if (v2 < 0) - break; - ch = (v1 << 4) + v2; - outBuf.append((char)ch); - v1 = file.read(); - } - if (v1 < 0 || v2 < 0) - throwError("Error reading string"); - break; - } - case '%': - type = TK_COMMENT; - do { - ch = file.read(); - } while (ch != -1 && ch != '\r' && ch != '\n'); - break; - case '(': - { - outBuf = new StringBuffer(); - type = TK_STRING; - hexString = false; - int nesting = 0; - while (true) { - ch = file.read(); - if (ch == -1) - break; - if (ch == '(') { - ++nesting; - } - else if (ch == ')') { - --nesting; - } - else if (ch == '\\') { - boolean lineBreak = false; - ch = file.read(); - switch (ch) { - case 'n': - ch = '\n'; - break; - case 'r': - ch = '\r'; - break; - case 't': - ch = '\t'; - break; - case 'b': - ch = '\b'; - break; - case 'f': - ch = '\f'; - break; - case '(': - case ')': - case '\\': - break; - case '\r': - lineBreak = true; - ch = file.read(); - if (ch != '\n') - backOnePosition(ch); - break; - case '\n': - lineBreak = true; - break; - default: - { - if (ch < '0' || ch > '7') { - break; - } - int octal = ch - '0'; - ch = file.read(); - if (ch < '0' || ch > '7') { - backOnePosition(ch); - ch = octal; - break; - } - octal = (octal << 3) + ch - '0'; - ch = file.read(); - if (ch < '0' || ch > '7') { - backOnePosition(ch); - ch = octal; - break; - } - octal = (octal << 3) + ch - '0'; - ch = octal & 0xff; - break; - } - } - if (lineBreak) - continue; - if (ch < 0) - break; - } - else if (ch == '\r') { - ch = file.read(); - if (ch < 0) - break; - if (ch != '\n') { - backOnePosition(ch); - ch = '\n'; - } - } - if (nesting == -1) - break; - outBuf.append((char)ch); - } - if (ch == -1) - throwError("Error reading string"); - break; - } - default: - { - outBuf = new StringBuffer(); - if (ch == '-' || ch == '+' || ch == '.' || (ch >= '0' && ch <= '9')) { - type = TK_NUMBER; - do { - outBuf.append((char)ch); - ch = file.read(); - } while (ch != -1 && ((ch >= '0' && ch <= '9') || ch == '.')); - } - else { - type = TK_OTHER; - do { - outBuf.append((char)ch); - ch = file.read(); - } while (!delims[ch + 1]); - } - backOnePosition(ch); - break; - } - } - if (outBuf != null) - stringValue = outBuf.toString(); - return true; - } - - public int intValue() { - return Integer.parseInt(stringValue); - } - - public boolean readLineSegment(byte input[]) throws IOException { - int c = -1; - boolean eol = false; - int ptr = 0; - int len = input.length; - // ssteward, pdftk-1.10, 040922: - // skip initial whitespace; added this because PdfReader.rebuildXref() - // assumes that line provided by readLineSegment does not have init. whitespace; - if ( ptr < len ) { - while ( isWhitespace( (c = read()) ) ); - } - while ( !eol && ptr < len ) { - switch (c) { - case -1: - case '\n': - eol = true; - break; - case '\r': - eol = true; - int cur = getFilePointer(); - if ((read()) != '\n') { - seek(cur); - } - break; - default: - input[ptr++] = (byte)c; - break; - } - - // break loop? do it before we read() again - if( eol || len <= ptr ) { - break; - } - else { - c = read(); - } - } - if (ptr >= len) { - eol = false; - while (!eol) { - switch (c = read()) { - case -1: - case '\n': - eol = true; - break; - case '\r': - eol = true; - int cur = getFilePointer(); - if ((read()) != '\n') { - seek(cur); - } - break; - } - } - } - - if ((c == -1) && (ptr == 0)) { - return false; - } - if (ptr + 2 <= len) { - input[ptr++] = (byte)' '; - input[ptr] = (byte)'X'; - } - return true; - } - - public static int[] checkObjectStart(byte line[]) { - try { - PRTokeniser tk = new PRTokeniser(line); - int num = 0; - int gen = 0; - if (!tk.nextToken() || tk.getTokenType() != TK_NUMBER) - return null; - num = tk.intValue(); - if (!tk.nextToken() || tk.getTokenType() != TK_NUMBER) - return null; - gen = tk.intValue(); - if (!tk.nextToken()) - return null; - if (!tk.getStringValue().equals("obj")) - return null; - return new int[]{num, gen}; - } - catch (Exception ioe) { - // empty on purpose - } - return null; - } - - public boolean isHexString() { - return this.hexString; - } - -} -- cgit v1.2.3