/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Java HTML Tidy - JTidy
* HTML parser and pretty printer
*
* Copyright (c) 1998-2000 World Wide Web Consortium (Massachusetts
* Institute of Technology, Institut National de Recherche en
* Informatique et en Automatique, Keio University). All Rights
* Reserved.
*
* Contributing Author(s):
*
* Dave Raggett <dsr@w3.org>
* Andy Quick <ac.quick@sympatico.ca> (translation to Java)
* Gary L Peskin <garyp@firstech.com> (Java development)
* Sami Lempinen <sami@lempinen.net> (release management)
* Fabrizio Giustina <fgiust at users.sourceforge.net>
*
* The contributing author(s) would like to thank all those who
* helped with testing, bug fixes, and patience. This wouldn't
* have been possible without all of you.
*
* COPYRIGHT NOTICE:
*
* This software and documentation is provided "as is," and
* the copyright holders and contributing author(s) make no
* representations or warranties, express or implied, including
* but not limited to, warranties of merchantability or fitness
* for any particular purpose or that the use of the software or
* documentation will not infringe any third party patents,
* copyrights, trademarks or other rights.
*
* The copyright holders and contributing author(s) will not be
* liable for any direct, indirect, special or consequential damages
* arising out of any use of the software or documentation, even if
* advised of the possibility of such damage.
*
* Permission is hereby granted to use, copy, modify, and distribute
* this source code, or portions hereof, documentation and executables,
* for any purpose, without fee, subject to the following restrictions:
*
* 1. The origin of this source code must not be misrepresented.
* 2. Altered versions must be plainly marked as such and must
* not be misrepresented as being the original source.
* 3. This Copyright notice may not be removed or altered from any
* source or altered source distribution.
*
* The copyright holders and contributing author(s) specifically
* permit, without fee, and encourage the use of this source code
* as a component for supporting the Hypertext Markup Language in
* commercial products. If you use this source code in a product,
* acknowledgment is not required but would be appreciated.
*
*/
package org.ajax4jsf.org.w3c.tidy;
import java.io.IOException;
import java.io.OutputStream;
import org.ajax4jsf.org.w3c.tidy.EncodingUtils.PutBytes;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Output implementation. This implementation is from the c version of tidy and it doesn't take advantage of java
* writers.
* @author Dave Raggett <a href="mailto:dsr@w3.org">dsr@w3.org </a>
* @author Andy Quick <a href="mailto:ac.quick@sympatico.ca">ac.quick@sympatico.ca </a> (translation to Java)
* @author Fabrizio Giustina
* @version $Revision: 1.1.2.1 $ ($Author: alexsmirnov $)
*/
public class OutImpl implements Out
{
private static final Log log = LogFactory.getLog(OutImpl.class);
/**
* output encoding.
*/
private int encoding;
/**
* actual state for ISO 2022.
*/
private int state;
/**
* output stream.
*/
private OutputStream out;
/**
* putter callback.
*/
private PutBytes putBytes;
/**
* newline bytes.
*/
private byte[] newline;
/**
* Constructor.
* @param configuration actual configuration instance (needed for newline configuration)
* @param encoding encoding constant
* @param out output stream
*/
public OutImpl(Configuration configuration, int encoding, OutputStream out)
{
this.encoding = encoding;
this.state = EncodingUtils.FSM_ASCII;
this.out = out;
// copy configured newline in bytes
this.newline = new byte[configuration.newline.length];
for (int j = 0; j < configuration.newline.length; j++)
{
this.newline[j] = (byte) configuration.newline[j];
}
this.putBytes = new PutBytes()
{
private OutImpl impl;
PutBytes setOut(OutImpl out)
{
this.impl = out;
return this;
}
public void doPut(byte[] buf, int[] count)
{
impl.outcUTF8Bytes(buf, count);
}
} // set the out instance direclty
.setOut(this);
}
/**
* output UTF-8 bytes to output stream.
* @param buf array of bytes
* @param count number of bytes in buf to write
*/
void outcUTF8Bytes(byte[] buf, int[] count)
{
try
{
for (int i = 0; i < count[0]; i++)
{
out.write(buf[i]);
}
}
catch (IOException e)
{
log.error("OutImpl.outcUTF8Bytes: " + e.toString());
}
}
/**
* .
* @see org.ajax4jsf.org.w3c.tidy.Out#outc(byte)
*/
public void outc(byte c)
{
outc(c & 0xFF); // Convert to unsigned.
}
/**
* @see org.ajax4jsf.org.w3c.tidy.Out#outc(int)
*/
public void outc(int c)
{
int ch;
try
{
if (this.encoding == Configuration.MACROMAN)
{
if (c < 128)
{
out.write(c);
}
else
{
int i;
for (i = 128; i < 256; i++)
{
if (EncodingUtils.decodeMacRoman(i - 128) == c)
{
out.write(i);
break;
}
}
}
}
else
if (this.encoding == Configuration.WIN1252)
{
if (c < 128 || (c > 159 && c < 256))
{
out.write(c);
}
else
{
int i;
for (i = 128; i < 160; i++)
{
if (EncodingUtils.decodeWin1252(i - 128) == c)
{
out.write(i);
break;
}
}
}
}
else if (this.encoding == Configuration.UTF8)
{
int[] count = new int[]{0};
EncodingUtils.encodeCharToUTF8Bytes(c, null, this.putBytes, count);
if (count[0] <= 0)
{
/* ReportEncodingError(in->lexer, INVALID_UTF8 | REPLACED_CHAR, c); */
/* replacement char 0xFFFD encoded as UTF-8 */
out.write(0xEF);
out.write(0xBF);
out.write(0xBF);
}
}
else if (this.encoding == Configuration.ISO2022)
{
if (c == 0x1b) /* ESC */
{
this.state = EncodingUtils.FSM_ESC;
}
else
{
switch (this.state)
{
case EncodingUtils.FSM_ESC :
if (c == '$')
{
this.state = EncodingUtils.FSM_ESCD;
}
else if (c == '(')
{
this.state = EncodingUtils.FSM_ESCP;
}
else
{
this.state = EncodingUtils.FSM_ASCII;
}
break;
case EncodingUtils.FSM_ESCD :
if (c == '(')
{
this.state = EncodingUtils.FSM_ESCDP;
}
else
{
this.state = EncodingUtils.FSM_NONASCII;
}
break;
case EncodingUtils.FSM_ESCDP :
this.state = EncodingUtils.FSM_NONASCII;
break;
case EncodingUtils.FSM_ESCP :
this.state = EncodingUtils.FSM_ASCII;
break;
case EncodingUtils.FSM_NONASCII :
c &= 0x7F;
break;
default :
// should not reach here
break;
}
}
this.out.write(c);
}
else if (this.encoding == Configuration.UTF16LE
|| this.encoding == Configuration.UTF16BE
|| this.encoding == Configuration.UTF16)
{
int i = 1;
int numChars = 1;
int[] theChars = new int[2];
if (c > EncodingUtils.MAX_UTF16_FROM_UCS4)
{
// invalid UTF-16 value
/* ReportEncodingError(in.lexer, INVALID_UTF16 | DISCARDED_CHAR, c); */
c = 0;
numChars = 0;
}
else if (c >= EncodingUtils.UTF16_SURROGATES_BEGIN)
{
// encode surrogate pairs
// check for invalid pairs
if (((c & 0x0000FFFE) == 0x0000FFFE) || ((c & 0x0000FFFF) == 0x0000FFFF))
{
/* ReportEncodingError(in.lexer, INVALID_UTF16 | DISCARDED_CHAR, c); */
c = 0;
numChars = 0;
}
else
{
theChars[0] = (c - EncodingUtils.UTF16_SURROGATES_BEGIN)
/ 0x400
+ EncodingUtils.UTF16_LOW_SURROGATE_BEGIN;
theChars[1] = (c - EncodingUtils.UTF16_SURROGATES_BEGIN)
% 0x400
+ EncodingUtils.UTF16_HIGH_SURROGATE_BEGIN;
// output both
numChars = 2;
}
}
else
{
// just put the char out
theChars[0] = c;
}
for (i = 0; i < numChars; i++)
{
c = theChars[i];
if (this.encoding == Configuration.UTF16LE)
{
ch = c & 0xFF;
out.write(ch);
ch = (c >> 8) & 0xFF;
out.write(ch);
}
else if (this.encoding == Configuration.UTF16BE || this.encoding == Configuration.UTF16)
{
ch = (c >> 8) & 0xFF;
out.write(ch);
ch = c & 0xFF;
out.write(ch);
}
}
}
// #431953 - start RJ
else if (this.encoding == Configuration.BIG5 || this.encoding == Configuration.SHIFTJIS)
{
if (c < 128)
{
this.out.write(c);
}
else
{
ch = (c >> 8) & 0xFF;
this.out.write(ch);
ch = c & 0xFF;
this.out.write(ch);
}
}
// #431953 - end RJ
else
{
this.out.write(c);
}
}
catch (IOException e)
{
log.error("OutImpl.outc: " + e.toString());
}
}
/**
* @see org.ajax4jsf.org.w3c.tidy.Out#newline()
*/
public void newline()
{
try
{
this.out.write(this.newline);
this.out.flush();
}
catch (IOException e)
{
log.error("OutImpl.newline: " + e.toString());
}
}
/**
* Setter for <code>out</code>.
* @param out The out to set.
*/
public void setOut(OutputStream out)
{
this.out = out;
}
/**
* Output a Byte Order Mark.
*/
public void outBOM()
{
if (this.encoding == Configuration.UTF8
|| this.encoding == Configuration.UTF16LE
|| this.encoding == Configuration.UTF16BE
|| this.encoding == Configuration.UTF16)
{
outc(EncodingUtils.UNICODE_BOM); // this will take care of encoding the BOM correctly
}
}
/**
* @see org.ajax4jsf.org.w3c.tidy.Out#close()
*/
public void close()
{
try
{
this.out.flush();
this.out.close();
}
catch (IOException e)
{
log.error("OutImpl.close: " + e.toString());
}
}
}