org.jpedal.objects.raw.PdfKeyPairsIterator 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
*
* ---------------
* PdfKeyPairsIterator.java
* ---------------
*/
package org.jpedal.objects.raw;
import java.util.Arrays;
import org.jpedal.fonts.StandardFonts;
import org.jpedal.fonts.Type1C;
import org.jpedal.utils.NumberUtils;
/**
* allow fast access to data from PDF object
*
*/
public class PdfKeyPairsIterator {
private byte[][] keys, values;
private PdfObject[] objs;
int maxCount, current = 0;
public PdfKeyPairsIterator(byte[][] keys, byte[][] values, PdfObject[] objs) {
this.keys = keys;
this.values = values;
this.objs = objs;
if (keys != null) this.maxCount = keys.length;
this.current = 0;
}
/**
* @return number of PAIRS (or keys)
*/
public int getTokenCount() {
return this.maxCount;
}
/**
* roll onto next key and value
*
*/
public void nextPair() {
if (this.current < this.maxCount) this.current++;
else throw new RuntimeException("No keys left in PdfKeyPairsIterator");
}
/**
* @return next key
*/
public String getNextKeyAsString() {
// System.out.println((char)keys[current-1][0]+"='0' && nextChar<='9'){
*
* }else{ isNotNumber=true; ii=length; } }
*
* if(isNotNumber){ return new String(keys[current]); }else{ int key=PdfReader.parseInt(0,length,keys[current]);
*
* //generate if needed and cache if(IntsAsChars[key]==null){ char[] stringChar=new char[1]; stringChar[0]=(char)key; IntsAsChars[key]=new
* String(stringChar); }
*
* return IntsAsChars[key]; } }else
*/
return new String(this.keys[this.current]);
}
/**
* used by CharProcs to return number or number of key (ie /12 or /A)
*
* @return number or number of key (ie /12 or /A)
*/
public int getNextKeyAsNumber() {
// System.out.println((char)keys[current-1][0]+"" + new String(this.keys[this.current]) + '<');
return mapping;
}
else return (this.keys[this.current][0] & 255);
}
else return NumberUtils.parseInt(0, length, this.keys[this.current]);
//return -1;
}
public boolean isNextKeyANumber() {
int length = this.keys[this.current].length;
boolean isNumber = true;
for (int ii = 0; ii < length; ii++) {
int nextChar = this.keys[this.current][ii];
// System.out.println(nextChar);
if (nextChar >= '0' && nextChar <= '9') {
}
else {
isNumber = false;
ii = length;
}
}
return isNumber;
}
public boolean hasMorePairs() {
return this.current < this.maxCount;
}
public String getNextValueAsString() {
if (this.values[this.current] == null) return null;
else return new String(this.values[this.current]);
}
/**
* @return value as PdfObject or null
*/
public PdfObject getNextValueAsDictionary() {
return this.objs[this.current];
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("PdfKeyPairsIterator [");
if (this.keys != null) {
builder.append("keys=");
for (int i = 0; i < this.keys.length; i++) {
builder.append(new String(this.keys[i]));
builder.append(", ");
}
}
if (this.values != null) {
builder.append("values=");
for (int i = 0; i < this.keys.length; i++) {
builder.append(new String(this.values[i]).substring(0, 30));
builder.append("... (shortened)");
builder.append(", ");
}
}
if (this.objs != null) {
builder.append("objs=");
builder.append(Arrays.toString(this.objs));
builder.append(", ");
}
builder.append("maxCount=");
builder.append(this.maxCount);
builder.append(", current=");
builder.append(this.current);
builder.append("]");
return builder.toString();
}
}