/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.xml;
import com.caucho.java.LineMap;
import com.caucho.util.CharBuffer;
import com.caucho.util.IntMap;
import com.caucho.util.L10N;
import com.caucho.vfs.EnclosedWriteStream;
import com.caucho.vfs.Path;
import com.caucho.vfs.Vfs;
import com.caucho.vfs.WriteStream;
import org.w3c.dom.*;
import org.xml.sax.Locator;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import java.util.logging.Logger;
/**
* Controls printing of XML documents.
*
* Typical use:
* <code><pre>
* Node node = ...;
*
* OutputStream os = Vfs.openWrite("test.xml");
* XmlPrinter printer = new XmlPrinter(os);
*
* printer.printXml(node);
* </pre></code>
*/
public class XmlPrinter implements XMLWriter {
static final Logger log
= Logger.getLogger(XmlPrinter.class.getName());
static final L10N L = new L10N(XmlPrinter.class);
private static final int NO_PRETTY = 0;
private static final int INLINE = 1;
private static final int NO_INDENT = 2;
private static final int PRE = 3;
private static final char OMITTED_SPACE = 0;
private static final char OMITTED_NEWLINE = 1;
private static final char OMITTED = 2;
private static final char NULL_SPACE = 3;
private static final char SPACE = 4;
private static final char NEWLINE = 5;
private static final char WHITESPACE = 6;
private static final int ALWAYS_EMPTY = 1;
private static final int EMPTY_IF_EMPTY = 2;
private static IntMap _empties;
private static HashMap<String,String> _booleanAttrs;
private static HashMap<String,String> _verbatimTags;
private static IntMap _prettyMap;
private WriteStream _os;
private char []_buffer = new char[256];
private int _capacity = _buffer.length;
private int _length;
boolean _isAutomaticMethod = true;
boolean _isTop = true;
boolean _isJsp = false;
String _encoding;
String _method;
boolean _isText;
boolean _isHtml;
boolean _inHead;
String _version;
boolean _isAutomaticPretty = true;
boolean _isPretty;
int _indent;
int _preCount;
int _lastTextChar = NULL_SPACE;
boolean _hasMetaContentType = false;
boolean _includeContentType = true;
boolean _printDeclaration;
String _standalone;
String _systemId;
String _publicId;
private ExtendedLocator _locator;
boolean _escapeText = true;
boolean _inVerbatim = false;
private HashMap<String,String> _namespace;
private HashMap<String,String> _cdataElements;
private Entities _entities;
private String _mimeType;
private ArrayList<String> _prefixList;
private ArrayList<String> _attributeNames = new ArrayList<String>();
private ArrayList<String> _attributeValues = new ArrayList<String>();
private char []_cbuf = new char[256];
private char []_abuf = new char[256];
private LineMap _lineMap;
private int _line;
private String _srcFilename;
private int _srcLine;
private String _currentElement;
private Document _currentDocument;
private boolean _isEnclosedStream;
/**
* Create an XmlPrinter. Using this API, you'll need to use
* printer.init(os) to assign an output stream.
*/
public XmlPrinter()
{
}
/**
* Creates a new XmlPrinter writing to an output stream.
*
* @param os output stream serving as the destination
*/
public XmlPrinter(OutputStream os)
{
if (os instanceof WriteStream)
init((WriteStream) os);
else if (os instanceof EnclosedWriteStream)
init(((EnclosedWriteStream) os).getWriteStream());
else {
_isEnclosedStream = true;
WriteStream ws = Vfs.openWrite(os);
try {
ws.setEncoding("UTF-8");
} catch (UnsupportedEncodingException e) {
}
init(ws);
}
}
/**
* Creates a new XmlPrinter writing to a writer.
*
* @param writer destination of the serialized node
*/
public XmlPrinter(Writer writer)
{
if (writer instanceof EnclosedWriteStream)
init(((EnclosedWriteStream) writer).getWriteStream());
else {
_isEnclosedStream = true;
WriteStream ws = Vfs.openWrite(writer);
init(ws);
}
}
/**
* Initialize the XmlPrinter with the write stream.
*
* @param os WriteStream containing the results.
*/
public void init(WriteStream os)
{
_os = os;
init();
}
/**
* Initialize the XmlWriter in preparation for serializing a new XML.
*/
void init()
{
String encoding = null;
if (_os != null)
encoding = _os.getEncoding();
_length = 0;
if (encoding == null ||
encoding.equals("US-ASCII") || encoding.equals("ISO-8859-1"))
_entities = XmlLatin1Entities.create();
else
_entities = XmlEntities.create();
_encoding = encoding;
_namespace = new HashMap<String,String>();
_line = 1;
_isTop = true;
_hasMetaContentType = false;
_attributeNames.clear();
_attributeValues.clear();
}
/**
* Prints the node as XML. The destination stream has already been
* set using init() or in the constructor.
*
* @param node source DOM node
*/
public static void print(Path path, Node node)
throws IOException
{
WriteStream os = path.openWrite();
try {
new XmlPrinter(os).printXml(node);
} finally {
os.close();
}
}
/**
* Prints the node as XML. The destination stream has already been
* set using init() or in the constructor.
*
* @param node source DOM node
*/
public void printXml(Node node)
throws IOException
{
_isAutomaticMethod = false;
((QAbstractNode) node).print(this);
flush();
}
/**
* Prints the node and children as HTML
*
* @param node the top node to print
*/
public void printHtml(Node node)
throws IOException
{
setMethod("html");
setVersion("4.0");
((QAbstractNode) node).print(this);
flush();
}
/**
* Prints the node and children as XML, automatically indending
*
* @param node the top node to print
*/
public void printPrettyXml(Node node)
throws IOException
{
_isAutomaticMethod = false;
setPretty(true);
((QAbstractNode) node).print(this);
flush();
}
/**
* Prints the node as XML to a string.
*
* @param node the source node
* @return a string containing the XML.
*/
public String printString(Node node)
throws IOException
{
CharBuffer cb = CharBuffer.allocate();
_os = Vfs.openWrite(cb);
init(_os);
try {
((QAbstractNode) node).print(this);
} finally {
flush();
_os.close();
}
return cb.close();
}
/**
* Sets to true if XML entities like < should be escaped as <.
* The default is true.
*
* @param escapeText set to true if entities should be escaped.
*/
public void setEscaping(boolean escapeText)
{
if (! _isText)
_escapeText = escapeText;
}
/**
* Returns the current XML escaping. If true, entities like <
* will be escaped as <.
*
* @return true if entities should be escaped.
*/
public boolean getEscaping()
{
return _escapeText;
}
/**
* Sets the output methods, like the XSL <xsl:output method='method'/>.
*/
public void setMethod(String method)
{
_method = method;
if (method == null) {
_isAutomaticMethod = true;
_isHtml = false;
} else if (method.equals("html")) {
_isAutomaticMethod = false;
_isHtml = true;
if (_isAutomaticPretty)
_isPretty = true;
} else if (method.equals("text")) {
_isAutomaticMethod = false;
_isText = true;
_escapeText = false;
} else {
_isAutomaticMethod = false;
_isHtml = false;
}
}
/**
* Sets the XML/HTML version of the output file.
*
* @param version the output version
*/
public void setVersion(String version)
{
_version = version;
}
/**
* Sets the character set encoding for the output file.
*
* @param encoding the mime name of the output encoding
*/
public void setEncoding(String encoding)
{
_encoding = encoding;
try {
if (encoding != null) {
_os.setEncoding(encoding);
if (encoding.equals("US-ASCII") || encoding.equals("ISO-8859-1"))
_entities = XmlLatin1Entities.create();
else
_entities = XmlEntities.create();
}
} catch (Exception e) {
}
}
public void setMimeType(String mimeType)
{
_mimeType = mimeType;
if (_method == null && mimeType != null && mimeType.equals("text/html"))
setMethod("html");
}
/**
* Set true if this is JSP special cased.
*/
public void setJSP(boolean isJsp)
{
_isJsp = isJsp;
}
/**
* True if this is JSP special cased.
*/
public boolean isJSP()
{
return _isJsp;
}
/**
* Returns true if the printer is printing HTML.
*/
boolean isHtml()
{
return _isHtml;
}
/**
* Set to true if the printer should add whitespace to 'pretty-print'
* the output.
*
* @param isPretty if true, add spaces for printing
*/
public void setPretty(boolean isPretty)
{
_isPretty = isPretty;
_isAutomaticPretty = false;
}
/**
* Returns true if the printer is currently pretty-printing the output.
*/
public boolean isPretty()
{
return _isPretty;
}
public void setPrintDeclaration(boolean printDeclaration)
{
_printDeclaration = printDeclaration;
}
boolean getPrintDeclaration()
{
return _printDeclaration;
}
public void setStandalone(String standalone)
{
_standalone = standalone;
}
String getStandalone()
{
return _standalone;
}
public void setSystemId(String id)
{
_systemId = id;
}
String getSystemId()
{
return _systemId;
}
/**
* Set true if the printer should automatically add the
* <meta content-type> to HTML.
*/
public void setIncludeContentType(boolean include)
{
_includeContentType = include;
}
/**
* Return true if the printer should automatically add the
* <meta content-type> to HTML.
*/
public boolean getIncludeContentType()
{
return _includeContentType;
}
public void setPublicId(String id)
{
_publicId = id;
}
String getPublicId()
{
return _publicId;
}
public Path getPath()
{
if (_os instanceof WriteStream)
return ((WriteStream) _os).getPath();
else
return null;
}
/**
* Creates a new line map.
*/
public void setLineMap(String filename)
{
_lineMap = new LineMap(filename);
}
public LineMap getLineMap()
{
return _lineMap;
}
public void addCdataElement(String elt)
{
if (_cdataElements == null)
_cdataElements = new HashMap<String,String>();
_cdataElements.put(elt, "");
}
public void print(Node node)
throws IOException
{
if (node instanceof QAbstractNode)
((QAbstractNode) node).print(this);
else {
printNode(node);
}
if (_isEnclosedStream)
_os.flush();
}
public void printNode(Node node)
throws IOException
{
if (node == null)
return;
switch (node.getNodeType()) {
case Node.DOCUMENT_NODE:
startDocument((Document) node);
for (Node child = node.getFirstChild();
child != null;
child = child.getNextSibling())
printNode(child);
endDocument();
break;
case Node.ELEMENT_NODE: {
Element elt = (Element) node;
startElement(elt.getNamespaceURI(),
elt.getLocalName(),
elt.getNodeName());
NamedNodeMap attrs = elt.getAttributes();
int len = attrs.getLength();
for (int i = 0; i < len; i++) {
Attr attr = (Attr) attrs.item(i);
attribute(attr.getNamespaceURI(),
attr.getLocalName(),
attr.getNodeName(),
attr.getNodeValue());
}
for (Node child = node.getFirstChild();
child != null;
child = child.getNextSibling()) {
printNode(child);
}
endElement(elt.getNamespaceURI(), elt.getLocalName(), elt.getNodeName());
break;
}
case Node.TEXT_NODE:
case Node.CDATA_SECTION_NODE:
{
CharacterData text = (CharacterData) node;
text(text.getData());
break;
}
case Node.COMMENT_NODE:
{
Comment comment = (Comment) node;
comment(comment.getData());
break;
}
case Node.PROCESSING_INSTRUCTION_NODE:
{
ProcessingInstruction pi = (ProcessingInstruction) node;
processingInstruction(pi.getNodeName(), pi.getData());
break;
}
}
}
WriteStream getStream()
{
return _os;
}
public void startDocument(Document document)
throws IOException
{
_currentDocument = document;
startDocument();
}
/**
* Callback when the document starts printing.
*/
public void startDocument()
throws IOException
{
_isTop = true;
}
/**
* Callback when the document completes
*/
public void endDocument()
throws IOException
{
if (_isPretty && _lastTextChar < SPACE)
println();
flush();
}
/**
* Sets the locator.
*/
public void setDocumentLocator(Locator locator)
{
_locator = (ExtendedLocator) locator;
}
/**
* Sets the current location.
*
* @param filename the source filename
* @param line the source line
* @param column the source column
*/
public void setLocation(String filename, int line, int column)
{
_srcFilename = filename;
_srcLine = line;
}
/**
* Called at the start of a new element.
*
* @param url the namespace url
* @param localName the local name
* @param qName the qualified name
*/
public void startElement(String url, String localName, String qName)
throws IOException
{
if (_isText)
return;
if (_isAutomaticMethod) {
_isHtml = (qName.equalsIgnoreCase("html") &&
(url == null || url.equals("")));
if (_isAutomaticPretty)
_isPretty = _isHtml;
_isAutomaticMethod = false;
}
if (_isTop)
printHeader(qName);
if (_currentElement != null)
completeOpenTag();
_attributeNames.clear();
_attributeValues.clear();
if (_isHtml && _verbatimTags.get(qName.toLowerCase(Locale.ENGLISH)) != null)
_inVerbatim = true;
if (_isPretty && _preCount <= 0)
printPrettyStart(qName);
if (_lineMap == null) {
}
else if (_locator != null) {
_lineMap.add(_locator.getFilename(), _locator.getLineNumber(), _line);
}
else if (_srcFilename != null)
_lineMap.add(_srcFilename, _srcLine, _line);
print('<');
print(qName);
_currentElement = qName;
_lastTextChar = NULL_SPACE;
}
/**
* Prints the header, if necessary.
*
* @param top name of the top element
*/
public void printHeader(String top)
throws IOException
{
if (! _isTop)
return;
_isTop = false;
String encoding = _encoding;
if (encoding != null && encoding.equalsIgnoreCase("UTF-16"))
print('\ufeff');
if (_isHtml) {
double dVersion = 4.0;
if (_version == null || _version.compareTo("4.0") >= 0) {
}
else {
dVersion = 3.2;
}
if (_systemId != null || _publicId != null)
printDoctype("html");
if (encoding == null || encoding.equalsIgnoreCase("ISO-8859-1"))
// _entities = Latin1Entities.create(dVersion);
_entities = HtmlEntities.create(dVersion);
else if (encoding.equalsIgnoreCase("US-ASCII"))
_entities = HtmlEntities.create(dVersion);
else
_entities = OtherEntities.create(dVersion);
}
else {
if (_printDeclaration) {
String version = _version;
if (version == null)
version = "1.0";
print("<?xml version=\"");
print(version);
print("\"");
if (encoding == null ||
encoding.equals("") ||
encoding.equalsIgnoreCase("US-ASCII")) {
}
else
print(" encoding=\"" + encoding + "\"");
if (_standalone != null &&
(_standalone.equals("true") || _standalone.equals("yes")))
print(" standalone=\"yes\"");
println("?>");
}
printDoctype(top);
if (encoding == null ||
encoding.equalsIgnoreCase("US-ASCII") ||
encoding.equalsIgnoreCase("ISO-8859-1"))
_entities = XmlLatin1Entities.create();
else
_entities = XmlEntities.create();
}
_lastTextChar = NEWLINE;
}
/**
* Prints the doctype declaration
*
* @param topElt name of the top element
*/
private void printDoctype(String topElt)
throws IOException
{
if (_publicId != null && _systemId != null)
println("<!DOCTYPE " + topElt + " PUBLIC \"" + _publicId + "\" \"" +
_systemId + "\">");
else if (_publicId != null)
println("<!DOCTYPE " + topElt + " PUBLIC \"" + _publicId + "\">");
else if (_systemId != null)
println("<!DOCTYPE " + topElt + " SYSTEM \"" + _systemId + "\">");
else if (_currentDocument instanceof QDocument) {
QDocumentType dtd = (QDocumentType) _currentDocument.getDoctype();
if (dtd != null && dtd.getName() != null && dtd.getParentNode() == null) {
dtd.print(this);
println();
}
}
}
public void startPrefixMapping(String prefix, String uri)
throws IOException
{
}
public void endPrefixMapping(String prefix)
throws IOException
{
}
/**
* Pretty printing for a start tag.
*
* @param qName the name of the element
*/
private void printPrettyStart(String qName)
throws IOException
{
int code = _isHtml ? _prettyMap.get(qName.toLowerCase(Locale.ENGLISH)) : -1;
if (code == NO_PRETTY) {
if (_lastTextChar == OMITTED_NEWLINE)
println();
else if (_lastTextChar == OMITTED_SPACE)
print(' ');
}
else if (code != INLINE && _lastTextChar < WHITESPACE) {
if (_lastTextChar != NEWLINE)
println();
for (int i = 0; i < _indent; i++)
print(' ');
}
else if (code == INLINE && _lastTextChar < WHITESPACE) {
if (_lastTextChar == OMITTED_NEWLINE)
println();
else if (_lastTextChar == OMITTED_SPACE)
print(' ');
}
if (! _isHtml || code < 0) {
_indent += 2;
}
if (code == PRE) {
_preCount++;
_lastTextChar = 'a';
}
else if (code == NO_PRETTY || code == INLINE)
_lastTextChar = 'a';
else
_lastTextChar = NULL_SPACE;
}
/**
* Prints an attribute
*
* @param uri namespace uri
* @param localName localname of the attribute
* @param qName qualified name of the attribute
* @param value value of the attribute.
*/
public void attribute(String uri, String localName, String qName,
String value)
throws IOException
{
if (_isText)
return;
if (_currentElement != null) {
}
else if (qName.equals("encoding")) {
_encoding = value;
return;
}
else if (qName.startsWith("xmlns")) {
}
else
throw new IOException(L.l("attribute `{0}' outside element.", qName));
qName = qName.intern();
if (qName.startsWith("xmlns")) {
if (localName == null)
localName = "";
if (_isHtml && localName.equals("") && value.equals(""))
return;
_namespace.put(localName, value);
if (_prefixList == null)
_prefixList = new ArrayList<String>();
if (! _prefixList.contains(localName))
_prefixList.add(localName);
return;
}
else if (qName.equals("xtp:jsp-attribute")) {
_attributeNames.add("<%= " + value + "%>");
_attributeValues.add(null);
return;
}
if (_isHtml && ! _hasMetaContentType &&
_currentElement.equals("meta") &&
qName.equalsIgnoreCase("http-equiv") &&
value.equalsIgnoreCase("content-type")) {
_hasMetaContentType = true;
}
for (int i = 0; i < _attributeNames.size(); i++) {
String oldName = _attributeNames.get(i);
if (oldName == qName) {
_attributeValues.set(i, value);
return;
}
}
if (qName == null || qName.equals(""))
throw new NullPointerException();
_attributeNames.add(qName);
_attributeValues.add(value);
}
/**
* Complete printing of the attributes when the open tag completes.
*/
public boolean finishAttributes()
throws IOException
{
if (_currentElement == null)
return false;
for (int i = 0; i < _attributeNames.size(); i++) {
String qName = _attributeNames.get(i);
String value = _attributeValues.get(i);
if (_isHtml &&
_booleanAttrs.get(qName.toLowerCase(Locale.ENGLISH)) != null &&
(value == null || value.equals("") || value.equals(qName))) {
print(' ');
print(qName);
}
else {
print(' ');
print(qName);
if (value != null) {
print("=\"");
if (! _escapeText || _inVerbatim)
print(value);
/*
else if (isHtml && isURIAttribute(currentElement, qName)) {
int len = value.length();
int offset = 0;
while (len > abuf.length) {
value.getChars(offset, offset + abuf.length, abuf, 0);
entities.printURIAttr(this, abuf, 0, abuf.length);
len -= abuf.length;
offset += abuf.length;
}
value.getChars(offset, offset + len, abuf, 0);
entities.printURIAttr(this, abuf, 0, len);
}
*/
else {
int len = value.length();
int offset = 0;
while (len > _abuf.length) {
value.getChars(offset, offset + _abuf.length, _abuf, 0);
_entities.printText(this, _abuf, 0, _abuf.length, true);
len -= _abuf.length;
offset += _abuf.length;
}
value.getChars(offset, offset + len, _abuf, 0);
_entities.printText(this, _abuf, 0, len, true);
}
print('\"');
}
else if (! _isHtml) {
print("=\"\"");
}
}
}
if (_prefixList != null && _prefixList.size() > 0) {
for (int i = 0; i < _prefixList.size(); i++) {
String prefix = _prefixList.get(i);
String url = _namespace.get(prefix);
if (prefix.equals("")) {
print(" xmlns=\"");
print(url);
print('\"');
}
else if (prefix.startsWith("xmlns")) {
print(" ");
print(prefix);
print("=\"");
print(url);
print('\"');
}
else {
print(" xmlns:");
print(prefix);
print("=\"");
print(url);
print('\"');
}
}
_prefixList.clear();
_namespace.clear();
}
_currentElement = null;
// lastTextChar = NULL_SPACE;
return true;
}
/**
* Prints the end tag of an element
*
* @param uri the namespace uri of the element
* @param localName the localname of the element tag
* @param qName qualified name of the element
*/
public void endElement(String uri, String localName, String qName)
throws IOException
{
if (_isText)
return;
String normalName = _isHtml ? qName.toLowerCase(Locale.ENGLISH) : qName;
if (_isHtml && _verbatimTags.get(normalName) != null)
_inVerbatim = false;
int prevTextChar = _lastTextChar;
boolean isEmpty = _currentElement != null;
if (_currentElement != null)
finishAttributes();
if (! _isHtml || _hasMetaContentType) {
}
else if (normalName.equals("head")) {
if (isEmpty)
print(">");
isEmpty = false;
printMetaContentType();
_currentElement = null;
}
if (isEmpty) {
if (_isHtml && _empties.get(normalName) >= 0)
print(">");
else if (prevTextChar <= OMITTED) {
print(">");
printPrettyEnd(qName);
print("</");
print(qName);
print(">");
return;
}
else if (_isHtml) {
print("></");
print(qName);
print(">");
}
else {
print("/>");
}
if (_isPretty)
closePretty(qName);
}
else if (_isHtml && _empties.get(normalName) >= 0 &&
! normalName.equals("p")) {
if (_isPretty)
closePretty(qName);
}
else if (_isPretty) {
printPrettyEnd(qName);
print("</");
print(qName);
print(">");
}
else {
print("</");
print(qName);
print(">");
}
_currentElement = null;
}
/**
* Handle pretty printing at an end tag.
*/
private void printPrettyEnd(String qName)
throws IOException
{
int code = _isHtml ? _prettyMap.get(qName.toLowerCase(Locale.ENGLISH)) : -1;
if (code == PRE) {
_preCount--;
_lastTextChar = NULL_SPACE;
return;
}
else if (_preCount > 0) {
return;
}
else if (code == NO_PRETTY) {
if (_lastTextChar <= OMITTED)
println();
_lastTextChar = 'a';
// indent -= 2;
return;
}
else if (code == INLINE) {
_lastTextChar = NULL_SPACE;
return;
}
if (! _isHtml || code < 0) {
_indent -= 2;
}
if (_lastTextChar <= WHITESPACE) {
if (_lastTextChar != NEWLINE)
println();
for (int i = 0; i < _indent; i++)
print(' ');
}
_lastTextChar = NULL_SPACE;
}
/**
* Handle the pretty printing after the closing of a tag.
*/
private void closePretty(String qName)
{
int code = _isHtml ? _prettyMap.get(qName.toLowerCase(Locale.ENGLISH)) : -1;
if (code == PRE) {
_preCount--;
_lastTextChar = NULL_SPACE;
return;
}
if (_preCount > 0)
return;
if (! _isHtml || code < 0) {
_indent -= 2;
}
if (code != NO_PRETTY)
_lastTextChar = NULL_SPACE;
else
_lastTextChar = 'a';
}
/**
* Prints a processing instruction
*
* @param name the name of the processing instruction
* @param data the processing instruction data
*/
public void processingInstruction(String name, String data)
throws IOException
{
if (_isText)
return;
if (_currentElement != null)
completeOpenTag();
if (_isTop && ! _isHtml && ! _isAutomaticMethod) {
printHeader(null);
_isTop = false;
}
print("<?");
print(name);
if (data != null && data.length() > 0) {
print(" ");
print(data);
}
if (isHtml())
print(">");
else
print("?>");
_lastTextChar = NULL_SPACE;
}
/**
* Prints a comment
*
* @param data the comment data
*/
public void comment(String data)
throws IOException
{
if (_isText)
return;
int textChar = _lastTextChar;
if (_currentElement != null)
completeOpenTag();
if (_isPretty && _preCount <= 0 &&
(textChar == OMITTED_NEWLINE || textChar == NULL_SPACE)) {
println();
for (int i = 0; i < _indent; i++)
print(' ');
}
print("<!--");
print(data);
print("-->");
_lastTextChar = NULL_SPACE;
}
/**
* Returns true if the text is currently being escaped
*/
public boolean getEscapeText()
{
return _escapeText;
}
/**
* Sets true if the text should be escaped, else it will be printed
* verbatim.
*/
public void setEscapeText(boolean isEscaped)
{
_escapeText = isEscaped;
}
/**
* Prints text. If the text is escaped, codes like < will be printed as
* <.
*/
public void text(String text)
throws IOException
{
int length = text.length();
for (int offset = 0; offset < length; offset += _cbuf.length) {
int sublen = length - offset;
if (sublen > _cbuf.length)
sublen = _cbuf.length;
text.getChars(offset, offset + sublen, _cbuf, 0);
text(_cbuf, 0, sublen);
}
}
/**
* Prints text. If the text is escaped, codes like < will be printed as
* <.
*/
public void text(char []buffer, int offset, int length)
throws IOException
{
if (length == 0)
return;
int prevTextChar = _lastTextChar;
if ((_isPretty && _preCount <= 0 || _isTop) && ! _isText &&
trimPrettyWhitespace(buffer, offset, length)) {
if (prevTextChar <= WHITESPACE)
return;
if (_lastTextChar == OMITTED_SPACE)
_lastTextChar = SPACE;
if (_lastTextChar == OMITTED_NEWLINE)
_lastTextChar = NEWLINE;
}
int nextTextChar = _lastTextChar;
if (_currentElement != null) {
completeOpenTag();
if (_isPretty && _preCount <= 0 && prevTextChar <= OMITTED)
println();
}
_lastTextChar = nextTextChar;
if (! _isTop) {
}
else if (! _isJsp) {
_isTop = false;
}
else if (_isAutomaticMethod) {
}
else if (! _isHtml) {
printHeader(null);
_isTop = false;
}
if (_isHtml && ! _hasMetaContentType && ! _inHead) {
int textChar = _lastTextChar;
if (_isPretty && _preCount <= 0 && prevTextChar <= OMITTED)
println();
// printHeadContentType();
_lastTextChar = textChar;
prevTextChar = 'a';
}
if (! _isPretty || _preCount > 0) {
}
else if (prevTextChar == OMITTED_NEWLINE) {
if (buffer[offset] != '\n')
println();
}
else if (prevTextChar == OMITTED_SPACE) {
char ch = buffer[offset];
if (ch != ' ' && ch != '\n')
print(' ');
}
if (_lineMap == null) {
}
else if (_locator != null) {
_lineMap.add(_locator.getFilename(), _locator.getLineNumber(), _line);
}
else if (_srcFilename != null)
_lineMap.add(_srcFilename, _srcLine, _line);
if (! _escapeText || _inVerbatim || _entities == null)
print(buffer, offset, length);
else
_entities.printText(this, buffer, offset, length, false);
}
/**
* If the text is completely whitespace, skip it.
*/
boolean trimPrettyWhitespace(char []buffer, int offset, int length)
{
char textChar = 'a';
int i = length - 1;
for (; i >= 0; i--) {
char ch = buffer[offset + i];
if (ch == '\r' || ch == '\n') {
if (textChar != NEWLINE)
textChar = OMITTED_NEWLINE;
}
else if (ch == ' ' || ch == '\t') {
if (textChar == 'a' || textChar == NULL_SPACE)
textChar = OMITTED_SPACE;
}
else if (textChar == OMITTED_NEWLINE) {
textChar = NEWLINE;
break;
}
else if (textChar == OMITTED_SPACE) {
textChar = SPACE;
break;
}
else
break;
}
_lastTextChar = textChar;
return (i < 0 && textChar <= WHITESPACE);
}
public void cdata(String text)
throws IOException
{
if (text.length() == 0)
return;
_isTop = false;
if (_currentElement != null)
completeOpenTag();
if (_lineMap != null && _srcFilename != null)
_lineMap.add(_srcFilename, _srcLine, _line);
print("<![CDATA[");
print(text);
print("]]>");
_lastTextChar = NEWLINE;
}
private void completeOpenTag()
throws IOException
{
boolean isHead = (_isHtml && ! _hasMetaContentType &&
_currentElement.equalsIgnoreCase("head"));
finishAttributes();
print(">");
if (isHead)
printHeadContentType();
}
public void cdata(char []buffer, int offset, int length)
throws IOException
{
cdata(new String(buffer, offset, length));
}
private void printHeadContentType()
throws IOException
{
printMetaContentType();
}
private void printMetaContentType()
throws IOException
{
if (! _includeContentType)
return;
_hasMetaContentType = true;
if (_lastTextChar != NEWLINE)
println();
if (_encoding == null || _encoding.equals("US-ASCII"))
_encoding = "ISO-8859-1";
String mimeType = _mimeType;
if (mimeType == null)
mimeType = "text/html";
println(" <meta http-equiv=\"Content-Type\" content=\"" +
mimeType + "; charset=" + _encoding + "\">");
_lastTextChar = NEWLINE;
}
void printDecl(String text) throws IOException
{
for (int i = 0; i < text.length(); i++) {
char ch = text.charAt(i);
switch (ch) {
case '&':
if (i + 1 < text.length() && text.charAt(i + 1) == '#')
print("&");
else
print(ch);
break;
case '"':
print(""");
break;
case '\'':
print("'");
break;
case '\n':
print("\n");
break;
default:
print(ch);
}
}
}
/**
* Prints a newline to the output stream.
*/
void println() throws IOException
{
print('\n');
}
void println(String text) throws IOException
{
print(text);
println();
}
/**
* Prints a char buffer.
*/
void print(char []buf)
throws IOException
{
print(buf, 0, buf.length);
}
/**
* Prints a char buffer.
*/
void print(char []buf, int off, int len)
throws IOException
{
for (int i = 0; i < len; i++)
print(buf[off + i]);
}
/**
* Prints a chunk of text.
*/
void print(String text) throws IOException
{
int len = text.length();
for (int i = 0; i < len; i++) {
char ch = text.charAt(i);
print(ch);
}
}
/**
* Prints a character.
*/
void print(char ch) throws IOException
{
if (_capacity <= _length) {
_os.print(_buffer, 0, _length);
_length = 0;
}
_buffer[_length++] = ch;
if (ch == '\n')
_line++;
}
/**
* Prints an integer to the output stream.
*/
void print(int i) throws IOException
{
if (i < 0) {
}
else if (i < 10) {
print((char) ('0' + i));
return;
}
else if (i < 100) {
print((char) ('0' + i / 10));
print((char) ('0' + i % 10));
return;
}
if (_length >= 0) {
_os.print(_buffer, 0, _length);
_length = 0;
}
_os.print(i);
}
private void flush() throws IOException
{
if (_length >= 0) {
_os.print(_buffer, 0, _length);
_length = 0;
}
if (_isEnclosedStream)
_os.flush();
}
private void close() throws IOException
{
flush();
if (_isEnclosedStream)
_os.close();
}
static void add(IntMap map, String name, int value)
{
map.put(name, value);
map.put(name.toUpperCase(Locale.ENGLISH), value);
}
static void add(HashMap<String,String> map, String name)
{
map.put(name, name);
map.put(name.toUpperCase(Locale.ENGLISH), name);
}
static {
_empties = new IntMap();
add(_empties, "basefont", ALWAYS_EMPTY);
add(_empties, "br", ALWAYS_EMPTY);
add(_empties, "area", ALWAYS_EMPTY);
add(_empties, "link", ALWAYS_EMPTY);
add(_empties, "img", ALWAYS_EMPTY);
add(_empties, "param", ALWAYS_EMPTY);
add(_empties, "hr", ALWAYS_EMPTY);
add(_empties, "input", ALWAYS_EMPTY);
add(_empties, "col", ALWAYS_EMPTY);
add(_empties, "frame", ALWAYS_EMPTY);
add(_empties, "isindex", ALWAYS_EMPTY);
add(_empties, "base", ALWAYS_EMPTY);
add(_empties, "meta", ALWAYS_EMPTY);
add(_empties, "p", ALWAYS_EMPTY);
add(_empties, "li", ALWAYS_EMPTY);
add(_empties, "option", EMPTY_IF_EMPTY);
_booleanAttrs = new HashMap<String,String>();
// input
add(_booleanAttrs, "checked");
// dir, menu, dl, ol, ul
add(_booleanAttrs, "compact");
// object
add(_booleanAttrs, "declare");
// script
add(_booleanAttrs, "defer");
// button, input, optgroup, option, select, textarea
add(_booleanAttrs, "disabled");
// img
add(_booleanAttrs, "ismap");
// select
add(_booleanAttrs, "multiple");
// area
add(_booleanAttrs, "nohref");
// frame
add(_booleanAttrs, "noresize");
// hr
add(_booleanAttrs, "noshade");
// td, th
add(_booleanAttrs, "nowrap");
// textarea, input
add(_booleanAttrs, "readonly");
// option
add(_booleanAttrs, "selected");
_prettyMap = new IntMap();
// next two break browsers
add(_prettyMap, "img", NO_PRETTY);
add(_prettyMap, "a", NO_PRETTY);
add(_prettyMap, "embed", NO_PRETTY);
add(_prettyMap, "th", NO_PRETTY);
add(_prettyMap, "td", NO_PRETTY);
// inline tags look better without the indent
add(_prettyMap, "tt", INLINE);
add(_prettyMap, "i", INLINE);
add(_prettyMap, "b", INLINE);
add(_prettyMap, "big", INLINE);
add(_prettyMap, "em", INLINE);
add(_prettyMap, "string", INLINE);
add(_prettyMap, "dfn", INLINE);
add(_prettyMap, "code", INLINE);
add(_prettyMap, "samp", INLINE);
add(_prettyMap, "kbd", INLINE);
add(_prettyMap, "var", INLINE);
add(_prettyMap, "cite", INLINE);
add(_prettyMap, "abbr", INLINE);
add(_prettyMap, "acronym", INLINE);
add(_prettyMap, "object", INLINE);
add(_prettyMap, "q", INLINE);
add(_prettyMap, "sub", INLINE);
add(_prettyMap, "sup", INLINE);
add(_prettyMap, "font", INLINE);
add(_prettyMap, "small", INLINE);
add(_prettyMap, "span", INLINE);
add(_prettyMap, "bdo", INLINE);
add(_prettyMap, "jsp:expression", INLINE);
add(_prettyMap, "textarea", PRE);
add(_prettyMap, "pre", PRE);
add(_prettyMap, "html", NO_INDENT);
add(_prettyMap, "body", NO_INDENT);
add(_prettyMap, "ul", NO_INDENT);
add(_prettyMap, "table", NO_INDENT);
add(_prettyMap, "frameset", NO_INDENT);
_verbatimTags = new HashMap<String,String>();
add(_verbatimTags, "script");
add(_verbatimTags, "style");
}
}