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/xmp/impl/FixASCIIControlsReader.java
//Copyright (c) 2006, Adobe Systems Incorporated
//All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All advertising materials mentioning features or use of this software
// must display the following acknowledgement:
// This product includes software developed by the Adobe Systems Incorporated.
// 4. Neither the name of the Adobe Systems Incorporated nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY ADOBE SYSTEMS INCORPORATED ''AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL ADOBE SYSTEMS INCORPORATED BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// http://www.adobe.com/devnet/xmp/library/eula-xmp-library-java.html
package com.itextpdf.xmp.impl;
import java.io.IOException;
import java.io.PushbackReader;
import java.io.Reader;
/**
* @since 22.08.2006
*/
public class FixASCIIControlsReader extends PushbackReader
{
/** */
private static final int STATE_START = 0;
/** */
private static final int STATE_AMP = 1;
/** */
private static final int STATE_HASH = 2;
/** */
private static final int STATE_HEX = 3;
/** */
private static final int STATE_DIG1 = 4;
/** */
private static final int STATE_ERROR = 5;
/** */
private static final int BUFFER_SIZE = 8;
/** the state of the automaton */
private int state = STATE_START;
/** the result of the escaping sequence */
private int control = 0;
/** count the digits of the sequence */
private int digits = 0;
/**
* The look-ahead size is 6 at maximum («)
* @see PushbackReader#PushbackReader(Reader, int)
* @param in a Reader
*/
public FixASCIIControlsReader(Reader in)
{
super(in, BUFFER_SIZE);
}
/**
* @see Reader#read(char[], int, int)
*/
public int read(char[] cbuf, int off, int len) throws IOException
{
int readAhead = 0;
int read = 0;
int pos = off;
char[] readAheadBuffer = new char[BUFFER_SIZE];
boolean available = true;
while (available && read < len)
{
available = super.read(readAheadBuffer, readAhead, 1) == 1;
if (available)
{
char c = processChar(readAheadBuffer[readAhead]);
if (state == STATE_START)
{
// replace control chars with space
if (Utils.isControlChar(c))
{
c = ' ';
}
cbuf[pos++] = c;
readAhead = 0;
read++;
}
else if (state == STATE_ERROR)
{
unread(readAheadBuffer, 0, readAhead + 1);
readAhead = 0;
}
else
{
readAhead++;
}
}
else if (readAhead > 0)
{
// handles case when file ends within excaped sequence
unread(readAheadBuffer, 0, readAhead);
state = STATE_ERROR;
readAhead = 0;
available = true;
}
}
return read > 0 || available ? read : -1;
}
/**
* Processes numeric escaped chars to find out if they are a control character.
* @param ch a char
* @return Returns the char directly or as replacement for the escaped sequence.
*/
private char processChar(char ch)
{
switch (state)
{
case STATE_START:
if (ch == '&')
{
state = STATE_AMP;
}
return ch;
case STATE_AMP:
if (ch == '#')
{
state = STATE_HASH;
}
else
{
state = STATE_ERROR;
}
return ch;
case STATE_HASH:
if (ch == 'x')
{
control = 0;
digits = 0;
state = STATE_HEX;
}
else if ('0' <= ch && ch <= '9')
{
control = Character.digit(ch, 10);
digits = 1;
state = STATE_DIG1;
}
else
{
state = STATE_ERROR;
}
return ch;
case STATE_DIG1:
if ('0' <= ch && ch <= '9')
{
control = control * 10 + Character.digit(ch, 10);
digits++;
if (digits <= 5)
{
state = STATE_DIG1;
}
else
{
state = STATE_ERROR; // sequence too long
}
}
else if (ch == ';' && Utils.isControlChar((char) control))
{
state = STATE_START;
return (char) control;
}
else
{
state = STATE_ERROR;
}
return ch;
case STATE_HEX:
if (('0' <= ch && ch <= '9') ||
('a' <= ch && ch <= 'f') ||
('A' <= ch && ch <= 'F'))
{
control = control * 16 + Character.digit(ch, 16);
digits++;
if (digits <= 4)
{
state = STATE_HEX;
}
else
{
state = STATE_ERROR; // sequence too long
}
}
else if (ch == ';' && Utils.isControlChar((char) control))
{
state = STATE_START;
return (char) control;
}
else
{
state = STATE_ERROR;
}
return ch;
case STATE_ERROR:
state = STATE_START;
return ch;
default:
// not reachable
return ch;
}
}
}
⏎ com/itextpdf/xmp/impl/FixASCIIControlsReader.java
Or download all of them as a single archive file:
File name: itextpdf-5.5.14-fyi.zip File size: 2163839 bytes Release date: 2009-10-09 Download
⇒ iText-2.1.6.jar - iText, a JAVA-PDF library
⇐ iText layout.jar Source Code
2021-07-03, ≈270🔥, 0💬
