org.jpedal.io.TextTokens Maven / Gradle / Ivy
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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/java-pdf-library-support/
*
* (C) Copyright 1997-2013, IDRsolutions and Contributors.
*
* This file is part of JPedal
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* TextTokens.java
* ---------------
*/
package org.jpedal.io;
/**
* encapsualtes function to read values from a text string
*/
public class TextTokens {
/** holds content */
private final byte[] content;
/** pointers to position to see if finished */
private int length = 0, currentCharPointer;
/**
* initialise text with value
*/
public TextTokens(byte[] rawText) {
this.content = rawText;
this.length = rawText.length;
this.currentCharPointer = 0;
/**
* remove any brackets if(rawText.startsWith("(")) rawText=rawText.substring(1); if(rawText.endsWith(")"))
*
* for(int j=0;j3) nextChar=(char) Integer.parseInt(octal.toString(),16); else
*/
/**
* nextChar=(char) Integer.parseInt(octal.toString(),8);
*
* } }
*/
return nextChar;
}
/**
* test start to see if unicode
*/
public boolean isUnicode() {
// test if unicode by reading first 2 values
if ((this.length >= 2) && (nextToken() == 254) && (nextToken() == 255)) {
return true;
}
else {
// its not unicode to put pointer back to start
this.currentCharPointer = 0;
return false;
}
}
}