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Posted to commits@xalan.apache.org by sa...@apache.org on 2002/05/21 22:18:19 UTC
cvs commit: xml-xalan/java/src/org/apache/xalan/xsltc/runtime/output StreamXMLOutput.java StreamHTMLOutput.java StreamOutput.java
santiagopg 02/05/21 13:18:19
Modified: java/src/org/apache/xalan/xsltc/runtime/output
StreamHTMLOutput.java StreamOutput.java
Added: java/src/org/apache/xalan/xsltc/runtime/output
StreamXMLOutput.java
Log:
Revision Changes Path
1.2 +35 -78 xml-xalan/java/src/org/apache/xalan/xsltc/runtime/output/StreamHTMLOutput.java
Index: StreamHTMLOutput.java
===================================================================
RCS file: /home/cvs/xml-xalan/java/src/org/apache/xalan/xsltc/runtime/output/StreamHTMLOutput.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- StreamHTMLOutput.java 21 May 2002 15:42:34 -0000 1.1
+++ StreamHTMLOutput.java 21 May 2002 20:18:19 -0000 1.2
@@ -1,5 +1,5 @@
/*
- * @(#)$Id: StreamHTMLOutput.java,v 1.1 2002/05/21 15:42:34 santiagopg Exp $
+ * @(#)$Id: StreamHTMLOutput.java,v 1.2 2002/05/21 20:18:19 santiagopg Exp $
*
* The Apache Software License, Version 1.1
*
@@ -89,14 +89,14 @@
}
}
+ private boolean _headTagOpen = false;
private boolean _inStyleScript = false;
+ private String _mediaType = "text/html";
public StreamHTMLOutput(Writer writer, String encoding) {
_writer = writer;
_encoding = encoding;
- if (encoding.equalsIgnoreCase("iso-8859-1")) {
- _is8859Encoded = true;
- }
+ _is8859Encoded = encoding.equalsIgnoreCase("iso-8859-1");
}
public StreamHTMLOutput(OutputStream out, String encoding)
@@ -104,12 +104,10 @@
{
try {
_writer = new OutputStreamWriter(out, _encoding = encoding);
- if (encoding.equalsIgnoreCase("iso-8859-1")) {
- _is8859Encoded = true;
- }
+ _is8859Encoded = encoding.equalsIgnoreCase("iso-8859-1");
}
catch (UnsupportedEncodingException e) {
- _writer = new OutputStreamWriter(out, _encoding = "UTF-8");
+ _writer = new OutputStreamWriter(out, _encoding = "utf-8");
}
}
@@ -147,6 +145,14 @@
_buffer.append('>');
}
+ // Handle document type declaration (for first element only)
+ if (_firstElement) {
+ if (_doctypeSystem != null || _doctypePublic != null) {
+ appendDTD(elementName);
+ }
+ _firstElement = false;
+ }
+
if (_indent) {
if (!_emptyElements.containsKey(elementName.toLowerCase())) {
indent(_lineFeedNextStartTag);
@@ -160,8 +166,11 @@
_startTagOpen = true;
_indentNextEndTag = false;
- if (elementName.equalsIgnoreCase("style") ||
- elementName.equalsIgnoreCase("script"))
+ if (elementName.equalsIgnoreCase("head")) {
+ _headTagOpen = true;
+ }
+ else if (elementName.equalsIgnoreCase("style") ||
+ elementName.equalsIgnoreCase("script"))
{
_inStyleScript = true;
}
@@ -185,6 +194,10 @@
if (!_emptyElements.containsKey(elementName.toLowerCase())) {
_buffer.append("</").append(elementName).append('>');
}
+ else if (_headTagOpen) {
+ appendHeader(); // Insert <META> tag after <HEAD>
+ _headTagOpen = false;
+ }
else if (_inStyleScript &&
(elementName.equalsIgnoreCase("style") ||
elementName.equalsIgnoreCase("script")))
@@ -279,14 +292,6 @@
}
}
- 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
@@ -300,68 +305,11 @@
// 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
+ * Set the output media type - only relevant for HTML output
*/
- private void indent(boolean linefeed) {
- if (linefeed) {
- _buffer.append('\n');
- }
-
- _buffer.append(INDENT, 0,
- _indentLevel < MAX_INDENT_LEVEL ? _indentLevel + _indentLevel
- : MAX_INDENT);
+ public void setMediaType(String mediaType) {
+ _mediaType = mediaType;
}
/**
@@ -401,6 +349,15 @@
}
}
return _buffer;
+ }
+
+ /**
+ * Emit HTML meta info
+ */
+ private void appendHeader() {
+ _buffer.append("<meta http-equiv=\"Content-Type\" content=\"")
+ .append(_mediaType).append(" charset=\"")
+ .append(_encoding).append("/>");
}
}
1.4 +100 -1 xml-xalan/java/src/org/apache/xalan/xsltc/runtime/output/StreamOutput.java
Index: StreamOutput.java
===================================================================
RCS file: /home/cvs/xml-xalan/java/src/org/apache/xalan/xsltc/runtime/output/StreamOutput.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- StreamOutput.java 21 May 2002 15:13:25 -0000 1.3
+++ StreamOutput.java 21 May 2002 20:18:19 -0000 1.4
@@ -1,5 +1,5 @@
/*
- * @(#)$Id: StreamOutput.java,v 1.3 2002/05/21 15:13:25 santiagopg Exp $
+ * @(#)$Id: StreamOutput.java,v 1.4 2002/05/21 20:18:19 santiagopg Exp $
*
* The Apache Software License, Version 1.1
*
@@ -98,7 +98,106 @@
protected int _indentLevel = 0;
protected boolean _escaping = true;
+ protected boolean _firstElement = true;
protected String _encoding;
+ protected String _doctypeSystem = null;
+ protected String _doctypePublic = null;
+
+ /**
+ * Set the output document system/public identifiers
+ */
+ public void setDoctype(String system, String pub) {
+ _doctypeSystem = system;
+ _doctypePublic = pub;
+ }
+
+ public void setIndent(boolean indent) {
+ _indent = indent;
+ }
+
+ public void omitHeader(boolean value) {
+ _omitHeader = value;
+ }
+
+ protected void appendDTD(String name) {
+ _buffer.append(name);
+ if (_doctypePublic == null) {
+ _buffer.append(" SYSTEM");
+ }
+ else {
+ _buffer.append(" PUBLIC \"").append(_doctypePublic).append("\"");
+ }
+ if (_doctypeSystem != null) {
+ _buffer.append(" \"").append(_doctypeSystem).append("\">\n");
+ }
+ else {
+ _buffer.append(">\n");
+ }
+ }
+
+ /**
+ * Adds a newline in the output stream and indents to correct level
+ */
+ protected void indent(boolean linefeed) {
+ if (linefeed) {
+ _buffer.append('\n');
+ }
+
+ _buffer.append(INDENT, 0,
+ _indentLevel < MAX_INDENT_LEVEL ? _indentLevel + _indentLevel
+ : MAX_INDENT);
+ }
+
+ protected 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);
+ }
+ }
}
1.1 xml-xalan/java/src/org/apache/xalan/xsltc/runtime/output/StreamXMLOutput.java
Index: StreamXMLOutput.java
===================================================================
/*
* @(#)$Id: StreamXMLOutput.java,v 1.1 2002/05/21 20:18:19 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 apache@apache.org.
*
* 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.util.Stack;
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 StreamXMLOutput extends StreamOutput implements Constants {
/**
* Holds the current tree depth.
*/
private int _depth = 0;
/**
* Contains all elements that should be output as CDATA sections.
*/
private Hashtable _cdata = null;
/**
* The top of this stack contains the element id of the last element whose
* contents should be output as CDATA sections.
*/
private Stack _cdataStack;
/**
* Each entry (prefix) in this hashtable points to a Stack of URIs.
*/
private Hashtable _namespaces;
/**
* The top of this stack contains an id of the element that last declared
* a namespace. Used to ensure prefix/uri map scopes are closed correctly.
*/
private Stack _nodeStack;
/**
* The top of this stack is the prefix that was last mapped to an URI.
*/
private Stack _prefixStack;
public StreamXMLOutput(Writer writer, String encoding) {
_writer = writer;
_encoding = encoding;
_is8859Encoded = encoding.equalsIgnoreCase("iso-8859-1");
init();
}
public StreamXMLOutput(OutputStream out, String encoding)
throws IOException
{
try {
_writer = new OutputStreamWriter(out, _encoding = encoding);
_is8859Encoded = encoding.equalsIgnoreCase("iso-8859-1");
init();
}
catch (UnsupportedEncodingException e) {
_writer = new OutputStreamWriter(out, _encoding = "utf-8");
}
}
/**
* Initialize global variables
*/
private void init() {
// CDATA stack
_cdataStack = new Stack();
_cdataStack.push(new Integer(-1)); // push dummy value
// Initialize namespaces
_namespaces = new Hashtable();
_nodeStack = new Stack();
_prefixStack = new Stack();
// Define the default namespace (initially maps to "" uri)
Stack stack;
_namespaces.put(EMPTYSTRING, stack = new Stack());
stack.push(EMPTYSTRING);
_prefixStack.push(EMPTYSTRING);
_namespaces.put(XML_PREFIX, stack = new Stack());
stack.push("http://www.w3.org/XML/1998/namespace");
_prefixStack.push(XML_PREFIX);
_nodeStack.push(new Integer(-1));
_depth = 0;
}
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('>');
}
// Handle document type declaration (for first element only)
if (_firstElement) {
if (_doctypeSystem != null || _doctypePublic != null) {
appendDTD(elementName);
}
_firstElement = false;
}
if (_indent) {
indent(_lineFeedNextStartTag);
_lineFeedNextStartTag = true;
_indentNextEndTag = false;
_indentLevel++;
}
_buffer.append('<').append(elementName);
_startTagOpen = true;
_indentNextEndTag = false;
}
public void endElement(String elementName) throws TransletException {
if (_startTagOpen) {
_startTagOpen = false;
_buffer.append(">");
}
if (_indent) {
_indentLevel --;
if (_indentNextEndTag) {
indent(_indentNextEndTag);
_indentNextEndTag = true;
}
}
}
public void characters(String characters)
throws TransletException
{
if (_startTagOpen) {
_buffer.append('>');
_startTagOpen = false;
}
if (_escaping) {
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) {
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("=\"").append(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;
}
_buffer.append("<?").append(target).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 setCdataElements(Hashtable elements) {
_cdata = elements;
}
public void namespace(final String prefix, final String uri)
throws TransletException
{
if (_startTagOpen) {
pushNamespace(prefix, uri);
}
else if (prefix != EMPTYSTRING || uri != EMPTYSTRING) {
BasisLibrary.runTimeError(BasisLibrary.STRAY_NAMESPACE_ERR,
prefix, uri);
}
}
/**
* Declare a prefix to point to a namespace URI
*/
private void pushNamespace(String prefix, String uri) {
// Prefixes "xml" and "xmlns" cannot be redefined
if (prefix.equals(XML_PREFIX)) {
return;
}
Stack stack;
// Get the stack that contains URIs for the specified prefix
if ((stack = (Stack)_namespaces.get(prefix)) == null) {
_namespaces.put(prefix, stack = new Stack());
}
else if (uri.equals(stack.peek())) {
return; // Ignore
}
stack.push(uri);
_prefixStack.push(prefix);
_nodeStack.push(new Integer(_depth));
}
/**
* Undeclare the namespace that is currently pointed to by a given prefix
*/
private void popNamespace(String prefix) {
// Prefixes "xml" and "xmlns" cannot be redefined
if (prefix.equals(XML_PREFIX)) return;
Stack stack;
if ((stack = (Stack)_namespaces.get(prefix)) != null) {
stack.pop();
}
}
/**
* Pop all namespace definitions that were delcared by the current element
*/
private void popNamespaces() throws TransletException {
while (true) {
if (_nodeStack.isEmpty()) return;
Integer i = (Integer)(_nodeStack.peek());
if (i.intValue() != _depth) return;
_nodeStack.pop();
popNamespace((String)_prefixStack.pop());
}
}
/**
* Use a namespace prefix to lookup a namespace URI
*/
private String lookupNamespace(String prefix) {
final Stack stack = (Stack)_namespaces.get(prefix);
return stack != null && !stack.isEmpty() ? (String)stack.peek() : null;
}
}
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