package client.net.sf.saxon.ce.style;
import client.net.sf.saxon.ce.Configuration;
import client.net.sf.saxon.ce.event.PipelineConfiguration;
import client.net.sf.saxon.ce.lib.NamespaceConstant;
import client.net.sf.saxon.ce.om.*;
import client.net.sf.saxon.ce.trans.XPathException;
import client.net.sf.saxon.ce.tree.linked.ElementImpl;
import client.net.sf.saxon.ce.tree.linked.NodeFactory;
import client.net.sf.saxon.ce.value.DecimalValue;
/**
* Class StyleNodeFactory. <br>
* A Factory for nodes in the stylesheet tree. <br>
* Currently only allows Element nodes to be user-constructed.
* @author Michael H. Kay
*/
public class StyleNodeFactory implements NodeFactory {
protected Configuration config;
protected NamePool namePool;
/**
* Create the node factory for representing an XSLT stylesheet as a tree structure
* @param config the Saxon configuration
*/
public StyleNodeFactory(Configuration config) {
this.config = config;
namePool = config.getNamePool();
}
/**
* Create an Element node. Note, if there is an error detected while constructing
* the Element, we add the element anyway, and return success, but flag the element
* with a validation error. This allows us to report more than
* one error from a single compilation.
* @param nameCode The element name
* @param typeCode
* @param attlist the attribute list
*/
public ElementImpl makeElementNode(
NodeInfo parent,
int nameCode,
int typeCode, AttributeCollection attlist,
NamespaceBinding[] namespaces,
int namespacesUsed,
PipelineConfiguration pipe,
String baseURI,
int sequence)
{
boolean toplevel = (parent instanceof XSLStylesheet);
if (parent instanceof DataElement) {
DataElement d = new DataElement();
d.setNamespaceDeclarations(namespaces, namespacesUsed);
d.initialise(nameCode, attlist, parent, sequence);
d.setLocation(baseURI);
return d;
}
int f = nameCode&0xfffff;
// Try first to make an XSLT element
StyleElement e = makeXSLElement(f);
if (e != null) { // recognized as an XSLT element
e.setNamespaceDeclarations(namespaces, namespacesUsed);
e.initialise(nameCode, attlist, parent, sequence);
e.setLocation(baseURI);
// We're not catching multiple errors in the following attributes, but catching each of the
// exceptions helps to ensure we don't report spurious errors through not processing some
// of the attributes when others are faulty.
try {
e.processExtensionElementAttribute("");
} catch (XPathException err) {
e.setValidationError(err, StyleElement.REPORT_ALWAYS);
}
try {
e.processExcludedNamespaces("");
} catch (XPathException err) {
e.setValidationError(err, StyleElement.REPORT_ALWAYS);
}
try {
e.processVersionAttribute("");
} catch (XPathException err) {
e.setValidationError(err, StyleElement.REPORT_ALWAYS);
}
e.processDefaultXPathNamespaceAttribute("");
return e;
}
String uriCode = namePool.getURI(nameCode);
if (parent instanceof XSLStylesheet && !uriCode.isEmpty() && !uriCode.equals(NamespaceConstant.XSLT)) {
DataElement d = new DataElement();
d.setNamespaceDeclarations(namespaces, namespacesUsed);
d.initialise(nameCode, attlist, parent, sequence);
d.setLocation(baseURI);
return d;
} else { // not recognized as an XSLT element, not top-level
String localname = namePool.getLocalName(nameCode);
StyleElement temp = null;
// Detect a misspelt XSLT declaration
if (uriCode.equals(NamespaceConstant.XSLT) &&
(parent instanceof XSLStylesheet) &&
((XSLStylesheet)parent).getEffectiveVersion().compareTo(DecimalValue.TWO) <= 0 ) {
temp = new AbsentExtensionElement();
temp.setValidationError(new XPathException("Unknown top-level XSLT declaration"),
StyleElement.REPORT_UNLESS_FORWARDS_COMPATIBLE );
}
StyleElement assumedElement = new LiteralResultElement();
// We can't work out the final class of the node until we've examined its attributes
// such as version and extension-element-prefixes; but we can have a good guess, and
// change it later if need be.
if (temp==null) {
temp = new LiteralResultElement();
}
temp.setNamespaceDeclarations(namespaces, namespacesUsed);
try {
temp.initialise(nameCode, attlist, parent, sequence);
temp.setLocation(baseURI);
temp.processStandardAttributes(NamespaceConstant.XSLT);
} catch (XPathException err) {
temp.setValidationError(err, StyleElement.REPORT_ALWAYS);
}
// Now we work out what class of element we really wanted, and change it if necessary
XPathException reason;
StyleElement actualElement = null;
if (uriCode.equals(NamespaceConstant.XSLT)) {
reason = new XPathException("Unknown XSLT element: " + localname);
reason.setErrorCode("XTSE0010");
reason.setIsStaticError(true);
actualElement = new AbsentExtensionElement();
temp.setValidationError(reason, StyleElement.REPORT_UNLESS_FALLBACK_AVAILABLE);
} else if (temp.isExtensionNamespace(uriCode) && !toplevel) {
String uri = namePool.getURI(nameCode);
if (NamespaceConstant.IXSL.equals(uri)) {
if (localname.equals("set-attribute")) {
actualElement = new IXSLSetAttribute();
} else if (localname.equals("remove-attribute")) {
actualElement = new IXSLRemoveAttribute();
} else if (localname.equals("schedule-action")) {
actualElement = new IXSLScheduleAction();
} else if (localname.equals("set-property")) {
actualElement = new IXSLSetProperty();
}
}
if (actualElement == null) {
// if we can't instantiate an extension element, we don't give up
// immediately, because there might be an xsl:fallback defined. We
// create a surrogate element called AbsentExtensionElement, and
// save the reason for failure just in case there is no xsl:fallback
actualElement = new AbsentExtensionElement();
XPathException se = new XPathException("Unknown extension instruction", temp);
se.setErrorCode("XTDE1450");
reason = se;
temp.setValidationError(reason, StyleElement.REPORT_IF_INSTANTIATED);
}
} else {
actualElement = new LiteralResultElement();
}
StyleElement node;
if (actualElement.getClass().equals(assumedElement.getClass())) {
node = temp; // the original element will do the job
} else {
node = actualElement;
node.substituteFor(temp); // replace temporary node with the new one
}
return node;
}
}
/**
* Make an XSL element node
* @param f the fingerprint of the node name
* @return the constructed element node
*/
protected StyleElement makeXSLElement(int f) {
switch (f) {
case StandardNames.XSL_ANALYZE_STRING:
return new XSLAnalyzeString();
case StandardNames.XSL_APPLY_IMPORTS:
return new XSLApplyImports();
case StandardNames.XSL_APPLY_TEMPLATES:
return new XSLApplyTemplates();
case StandardNames.XSL_ATTRIBUTE:
return new XSLAttribute();
case StandardNames.XSL_ATTRIBUTE_SET:
return new XSLAttributeSet();
case StandardNames.XSL_CALL_TEMPLATE:
return new XSLCallTemplate();
case StandardNames.XSL_CHARACTER_MAP:
return new XSLCharacterMap();
case StandardNames.XSL_CHOOSE:
return new XSLChoose();
case StandardNames.XSL_COMMENT:
return new XSLComment();
case StandardNames.XSL_COPY:
return new XSLCopy();
case StandardNames.XSL_COPY_OF:
return new XSLCopyOf();
case StandardNames.XSL_DECIMAL_FORMAT:
return new XSLDecimalFormat();
case StandardNames.XSL_DOCUMENT:
return new XSLDocument();
case StandardNames.XSL_ELEMENT:
return new XSLElement();
case StandardNames.XSL_FALLBACK:
return new XSLFallback();
case StandardNames.XSL_FOR_EACH:
return new XSLForEach();
case StandardNames.XSL_FOR_EACH_GROUP:
return new XSLForEachGroup();
case StandardNames.XSL_FUNCTION:
return new XSLFunction();
case StandardNames.XSL_IF:
return new XSLIf();
case StandardNames.XSL_IMPORT:
return new XSLImport();
case StandardNames.XSL_IMPORT_SCHEMA:
return new XSLImportSchema();
case StandardNames.XSL_INCLUDE:
return new XSLInclude();
case StandardNames.XSL_KEY:
return new XSLKey();
case StandardNames.XSL_MATCHING_SUBSTRING:
return new XSLMatchingSubstring();
case StandardNames.XSL_MESSAGE:
return new XSLMessage();
case StandardNames.XSL_NEXT_MATCH:
return new XSLNextMatch();
case StandardNames.XSL_NON_MATCHING_SUBSTRING:
return new XSLMatchingSubstring(); //sic
case StandardNames.XSL_NUMBER:
return new XSLNumber();
case StandardNames.XSL_NAMESPACE:
return new XSLNamespace();
case StandardNames.XSL_NAMESPACE_ALIAS:
return new XSLNamespaceAlias();
case StandardNames.XSL_OTHERWISE:
return new XSLOtherwise();
case StandardNames.XSL_OUTPUT:
return new XSLOutput();
case StandardNames.XSL_OUTPUT_CHARACTER:
return new XSLOutputCharacter();
case StandardNames.XSL_PARAM:
return new XSLParam();
case StandardNames.XSL_PERFORM_SORT:
return new XSLPerformSort();
case StandardNames.XSL_PRESERVE_SPACE:
return new XSLPreserveSpace();
case StandardNames.XSL_PROCESSING_INSTRUCTION:
return new XSLProcessingInstruction();
case StandardNames.XSL_RESULT_DOCUMENT:
return new XSLResultDocument();
case StandardNames.XSL_SEQUENCE:
return new XSLSequence();
case StandardNames.XSL_SORT:
return new XSLSort();
case StandardNames.XSL_STRIP_SPACE:
return new XSLPreserveSpace();
case StandardNames.XSL_STYLESHEET:
return new XSLStylesheet();
case StandardNames.XSL_TEMPLATE:
return new XSLTemplate();
case StandardNames.XSL_TEXT:
return new XSLText();
case StandardNames.XSL_TRANSFORM:
return new XSLStylesheet();
case StandardNames.XSL_VALUE_OF:
return new XSLValueOf();
case StandardNames.XSL_VARIABLE:
return new XSLVariable();
case StandardNames.XSL_WITH_PARAM:
return new XSLWithParam();
case StandardNames.XSL_WHEN:
return new XSLWhen();
default:
return null;
}
}
/**
* Method to support the element-available() function
* @param uri the namespace URI
* @param localName the local Name
* @return true if an extension element of this name is recognized
*/
public boolean isElementAvailable(String uri, String localName) {
int fingerprint = namePool.getFingerprint(uri, localName);
if (uri.equals(NamespaceConstant.XSLT)) {
if (fingerprint == -1) {
return false; // all names are pre-registered
}
StyleElement e = makeXSLElement(fingerprint);
if (e != null) {
return e.isInstruction();
}
}
return false;
}
}
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is “Incompatible With Secondary Licenses”, as defined by the Mozilla Public License, v. 2.0.