/*
* 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.xsl.java;
import com.caucho.java.JavaWriter;
import com.caucho.xml.QName;
import com.caucho.xsl.XslParseException;
import java.util.ArrayList;
import java.util.regex.Pattern;
/**
* Represents the top-level xsl:stylesheet node.
*/
public class XslStylesheet extends XslNode {
private String _version;
private String _id;
private String _extensionElementPrefixes;
private String _excludeResultPrefixes;
private String _xpathDefaultNamespace;
private String _defaultValidation;
private boolean _isStyleScript;
private boolean _isDisableOutputEscaping;
private ArrayList<XslNode> _init = new ArrayList<XslNode>();
private ArrayList<XslNode> _imports = new ArrayList<XslNode>();
/**
* Returns the tag name.
*/
public String getTagName()
{
return "xsl:stylesheet";
}
/**
* Set true if the output escaping should be disabled.
*/
public void setDisableOutputEscaping(boolean disable)
{
_isDisableOutputEscaping = disable;
}
/**
* Adds an import directive.
*/
public void addImport(XslNode node)
{
_imports.add(node);
}
/**
* Adds an attribute.
*/
public void addAttribute(QName name, String value)
throws XslParseException
{
if (name.getName().equals("version"))
_version = value;
else if (name.getName().equals("extension-element-prefixes"))
_extensionElementPrefixes = value;
else if (name.getName().equals("exclude-result-prefixes"))
_excludeResultPrefixes = value;
else if (name.getName().equals("xpath-default-namespace"))
_xpathDefaultNamespace = value;
else if (name.getName().equals("default-validation"))
_defaultValidation = value;
else if (name.getName().equals("resin:stylescript"))
_gen.setStyleScript(true);
else
super.addAttribute(name, value);
}
/**
* Ends the attributes.
*/
public void endAttributes()
throws XslParseException
{
if (_excludeResultPrefixes != null)
addExcludeResultPrefixes(_excludeResultPrefixes);
/*
if (_version == null)
throw error(L.l("xsl:stylesheet needs a 'version' attribute."));
else if (! _version.equals("1.0"))
throw error(L.l("'{0}' is an unknown xsl:stylesheet version.",
_version));
*/
}
/**
* Adds a child node.
*/
public void addChild(XslNode node)
throws XslParseException
{
if (node instanceof XslVariable) {
((XslVariable) node).setGlobal(true);
_gen.addInit(node);
}
else if (node instanceof XslParam) {
((XslParam) node).setGlobal(true);
_gen.addInit(node);
}
else if (node instanceof TextNode) {
TextNode text = (TextNode) node;
if (! text.isWhitespace())
throw error(L.l("text not allowed in the top level."));
}
else if (node instanceof XslElementNode) {
}
else if (! (node instanceof XslTopNode)) {
throw error(L.l("<{0}> is not allowed in the top level.",
node.getTagName()));
}
else
super.addChild(node);
}
/**
* Generates the code for the tag
*
* @param out the output writer for the generated java.
*/
public void generate(JavaWriter out)
throws Exception
{
for (int i = 0; i < _imports.size(); i++) {
int oldMinImportance = _gen.getMinImportance();
_gen.setMinImportance(_gen.getImportance());
_imports.get(i).generate(out);
_gen.setMinImportance(oldMinImportance);
_gen.incrementImportance();
}
generateChildren(out);
}
/**
* Generates the code for the tag
*
* @param out the output writer for the generated java.
*/
public void generateDeclaration(JavaWriter out)
throws Exception
{
for (int i = 0; i < _imports.size(); i++)
_imports.get(i).generateDeclaration(out);
super.generateDeclaration(out);
}
private void addExcludeResultPrefixes(String prefixes)
throws XslParseException
{
if (prefixes == null)
return;
Pattern regexp = Pattern.compile("[,\\s]+");
String []strings = regexp.split(prefixes);
for (int i = 0; i < strings.length; i++) {
String prefix = strings[i];
String ns = getNamespace(prefix);
if (ns == null)
throw error(L.l("`{0}' must be a namespace prefix", prefix));
_gen.addExcludedNamespace(ns);
}
}
protected void printPopScope(JavaWriter out)
throws Exception
{
}
}