santiagopg 02/05/21 08:42:34
Added: java/src/org/apache/xalan/xsltc/runtime/output
StreamHTMLOutput.java
Removed: java/src/org/apache/xalan/xsltc/runtime/output
HtmlOutput.java
Log:
Renamed module.
Revision Changes Path
1.1
xml-xalan/java/src/org/apache/xalan/xsltc/runtime/output/StreamHTMLOutput.java
Index: StreamHTMLOutput.java
===================================================================
/*
* @(#)$Id: StreamHTMLOutput.java,v 1.1 2002/05/21 15:42:34 santiagopg Exp $
*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation. 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. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xalan" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2001, Sun
* Microsystems., http://www.sun.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* @author Santiago Pericas-Geertsen
* @author G. Todd Miller
*
*/
package org.apache.xalan.xsltc.runtime.output;
import java.io.Writer;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import org.apache.xalan.xsltc.*;
import org.apache.xalan.xsltc.runtime.*;
import org.apache.xalan.xsltc.runtime.Hashtable;
public class StreamHTMLOutput extends StreamOutput {
private static final String HREF_STR = "href";
private static final String CITE_STR = "cite";
private static final String SRC_STR = "src";
private static final Hashtable _emptyElements = new Hashtable();
private static final String[] tags = { "area", "base", "basefont", "br",
"col", "frame", "hr", "img", "input",
"isindex", "link", "meta", "param" };
static {
for (int i = 0; i < tags.length; i++) {
_emptyElements.put(tags[i], "");
}
}
private boolean _inStyleScript = false;
public StreamHTMLOutput(Writer writer, String encoding) {
_writer = writer;
_encoding = encoding;
if (encoding.equalsIgnoreCase("iso-8859-1")) {
_is8859Encoded = true;
}
}
public StreamHTMLOutput(OutputStream out, String encoding)
throws IOException
{
try {
_writer = new OutputStreamWriter(out, _encoding = encoding);
if (encoding.equalsIgnoreCase("iso-8859-1")) {
_is8859Encoded = true;
}
}
catch (UnsupportedEncodingException e) {
_writer = new OutputStreamWriter(out, _encoding = "UTF-8");
}
}
public void startDocument() throws TransletException {
// empty
}
public void endDocument() throws TransletException {
if (_startTagOpen) {
_buffer.append("/>");
}
try {
int n = 0;
final int length = _buffer.length();
final String output = _buffer.toString();
// Output buffer in chunks of OUTPUT_BUFFER_SIZE
if (length > OUTPUT_BUFFER_SIZE) {
do {
_writer.write(output, n, OUTPUT_BUFFER_SIZE);
n += OUTPUT_BUFFER_SIZE;
} while (n + OUTPUT_BUFFER_SIZE < length);
}
_writer.write(output, n, length - n);
_writer.flush();
}
catch (IOException e) {
// ignore
}
}
public void startElement(String elementName) throws TransletException {
if (_startTagOpen) {
_buffer.append('>');
}
if (_indent) {
if (!_emptyElements.containsKey(elementName.toLowerCase())) {
indent(_lineFeedNextStartTag);
_lineFeedNextStartTag = true;
_indentNextEndTag = false;
}
_indentLevel++;
}
_buffer.append('<').append(elementName);
_startTagOpen = true;
_indentNextEndTag = false;
if (elementName.equalsIgnoreCase("style") ||
elementName.equalsIgnoreCase("script"))
{
_inStyleScript = true;
}
}
public void endElement(String elementName) throws TransletException {
if (_startTagOpen) {
_startTagOpen = false;
_buffer.append(">");
}
if (_indent) {
_indentLevel --;
if (_indentNextEndTag) {
indent(_indentNextEndTag);
_indentNextEndTag = true;
}
}
// Empty elements may not have closing tags
if (!_emptyElements.containsKey(elementName.toLowerCase())) {
_buffer.append("</").append(elementName).append('>');
}
else if (_inStyleScript &&
(elementName.equalsIgnoreCase("style") ||
elementName.equalsIgnoreCase("script")))
{
_inStyleScript = false;
}
}
public void characters(String characters)
throws TransletException
{
if (_startTagOpen) {
_buffer.append('>');
_startTagOpen = false;
}
if (_escaping && !_inStyleScript) {
escapeCharacters(characters.toCharArray(), 0, characters.length());
}
else {
_buffer.append(characters);
}
}
public void characters(char[] characters, int offset, int length)
throws TransletException
{
if (_startTagOpen) {
_buffer.append('>');
_startTagOpen = false;
}
if (_escaping && !_inStyleScript) {
escapeCharacters(characters, offset, length);
}
else {
_buffer.append(characters, offset, length);
}
}
public void attribute(String attributeName, String attributeValue)
throws TransletException
{
if (_startTagOpen) {
_buffer.append(' ').append(attributeName).append("=\"");
if (attributeName.equalsIgnoreCase(HREF_STR) ||
attributeName.equalsIgnoreCase(SRC_STR) ||
attributeName.equals(CITE_STR))
{
appendEncodedURL(attributeValue).append('"');
}
else {
appendNonURL(attributeValue).append('"');
}
}
}
public void comment(String comment) throws TransletException {
if (_startTagOpen) {
_buffer.append('>');
_startTagOpen = false;
}
_buffer.append("<!--").append(comment).append("-->");
}
public void processingInstruction(String target, String data)
throws TransletException
{
if (_startTagOpen) {
_buffer.append('>');
_startTagOpen = false;
}
// A PI in HTML ends with ">" instead of "?>"
_buffer.append("<?").append(target).append(' ')
.append(data).append('>');
}
public boolean setEscaping(boolean escape) throws TransletException
{
final boolean temp = _escaping;
_escaping = escape;
return temp;
}
public void close() {
try {
_writer.close();
}
catch (Exception e) {
// ignore
}
}
public void setIndent(boolean indent) {
_indent = indent;
}
public void omitHeader(boolean value) {
_omitHeader = value;
}
public void namespace(String prefix, String uri) throws TransletException
{
// ignore when method type is HTML
}
public void setCdataElements(Hashtable elements) {
// ignore when method type is HTML
}
public void setType(int type) {
// ignore: default is HTML
}
private void escapeCharacters(char[] ch, int off, int len) {
int limit = off + len;
int offset = off;
if (limit > ch.length) {
limit = ch.length;
}
// Step through characters and escape all special characters
for (int i = off; i < limit; i++) {
final char current = ch[i];
switch (current) {
case '&':
_buffer.append(ch, offset, i - offset);
_buffer.append(AMP);
offset = i + 1;
break;
case '<':
_buffer.append(ch, offset, i - offset);
_buffer.append(LT);
offset = i + 1;
break;
case '>':
_buffer.append(ch, offset, i - offset);
_buffer.append(GT);
offset = i + 1;
break;
case '\u00a0':
_buffer.append(ch, offset, i - offset);
_buffer.append(NBSP);
offset = i + 1;
break;
default:
if ((current >= '\u007F' && current < '\u00A0') ||
(_is8859Encoded && current > '\u00FF'))
{
_buffer.append(ch, offset, i - offset);
_buffer.append(CHAR_ESC_START);
_buffer.append(Integer.toString((int)ch[i]));
_buffer.append(';');
offset = i + 1;
}
}
}
// Output remaining characters (that do not need escaping).
if (offset < limit) {
_buffer.append(ch, offset, limit - offset);
}
}
/**
* Adds a newline in the output stream and indents to correct level
*/
private void indent(boolean linefeed) {
if (linefeed) {
_buffer.append('\n');
}
_buffer.append(INDENT, 0,
_indentLevel < MAX_INDENT_LEVEL ? _indentLevel + _indentLevel
: MAX_INDENT);
}
/**
* Replaces whitespaces in a URL with '%20'
*/
private StringBuffer appendEncodedURL(String base) {
final int length = base.length();
for (int i = 0; i < length; i++) {
final char ch = base.charAt(i);
if (ch == ' ') {
_buffer.append("%20");
}
else {
_buffer.append(ch);
}
}
return _buffer;
}
/**
* Escape non ASCII characters (> u007F) as &#XXX; entities.
*/
private StringBuffer appendNonURL(String base) {
final int length = base.length();
for (int i = 0; i < length; i++){
final char ch = base.charAt(i);
if (ch > '\u007F') {
_buffer.append(CHAR_ESC_START)
.append(Integer.toString((int) ch))
.append(';');
}
else {
_buffer.append(ch);
}
}
return _buffer;
}
}
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