/**
* Get the owning xsl:template element.
*
* @return The owning xsl:template element, this element if it is a xsl:template, or null if not
* found.
*/
public ElemTemplate getOwnerXSLTemplate() {
ElemTemplateElement el = this;
int type = el.getXSLToken();
while ((null != el) && (type != Constants.ELEMNAME_TEMPLATE)) {
el = el.getParentElem();
if (null != el) type = el.getXSLToken();
}
return (ElemTemplate) el;
}
/* 35: */
/* 36: */ private boolean hasFallbackChildren() /* 37: */ {
/* 38: 86 */ for (ElemTemplateElement child = this.m_firstChild;
child != null;
child = child.m_nextSibling) {
/* 39: 89 */ if (child.getXSLToken() == 57) {
/* 40: 90 */ return true;
/* 41: */ }
/* 42: */ }
/* 43: 93 */ return false;
/* 44: */ }
/**
* Compares this object with the specified object for precedence order. The order is determined by
* the getImportCountComposed() of the containing composed stylesheet and the getUid() of this
* element. Returns a negative integer, zero, or a positive integer as this object is less than,
* equal to, or greater than the specified object.
*
* @param o The object to be compared to this object
* @return a negative integer, zero, or a positive integer as this object is less than, equal to,
* or greater than the specified object.
* @throws ClassCastException if the specified object's type prevents it from being compared to
* this Object.
*/
public int compareTo(Object o) throws ClassCastException {
ElemTemplateElement ro = (ElemTemplateElement) o;
int roPrecedence = ro.getStylesheetComposed().getImportCountComposed();
int myPrecedence = this.getStylesheetComposed().getImportCountComposed();
if (myPrecedence < roPrecedence) return -1;
else if (myPrecedence > roPrecedence) return 1;
else return this.getUid() - ro.getUid();
}
/**
* This function is called after everything else has been recomposed, and allows the template to
* set remaining values that may be based on some other property that depends on recomposition.
*/
public void compose(StylesheetRoot sroot) throws TransformerException {
resolvePrefixTables();
ElemTemplateElement t = getFirstChildElem();
m_hasTextLitOnly =
((t != null)
&& (t.getXSLToken() == Constants.ELEMNAME_TEXTLITERALRESULT)
&& (t.getNextSiblingElem() == null));
StylesheetRoot.ComposeState cstate = sroot.getComposeState();
cstate.pushStackMark();
}
/**
* Get the previous sibling (as a Node) or return null. Note that this may be expensive if the
* parent has many kids; we accept that price in exchange for avoiding the prev pointer TODO: If
* we were sure parents and sibs are always ElemTemplateElements, we could hit the fields directly
* rather than thru accessors.
*
* @return This node's previous sibling or null
*/
public ElemTemplateElement getPreviousSiblingElem() {
ElemTemplateElement walker = getParentNodeElem();
ElemTemplateElement prev = null;
if (walker != null)
for (walker = walker.getFirstChildElem();
walker != null;
prev = walker, walker = walker.getNextSiblingElem()) {
if (walker == this) return prev;
}
return null;
}
/**
* Append the current template element to the current template element, and then push it onto the
* current template element stack.
*
* @param handler non-null reference to current StylesheetHandler that is constructing the
* Templates.
* @param elem non-null reference to a {@link org.apache.xalan.templates.ElemText}.
* @throws org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception.
*/
protected void appendAndPush(StylesheetHandler handler, ElemTemplateElement elem)
throws org.xml.sax.SAXException {
// Don't push this element onto the element stack.
ProcessorCharacters charProcessor =
(ProcessorCharacters) handler.getProcessorFor(null, "text()", "text");
charProcessor.setXslTextElement((ElemText) elem);
ElemTemplateElement parent = handler.getElemTemplateElement();
parent.appendChild(elem);
elem.setDOMBackPointer(handler.getOriginatingNode());
}
/**
* This function is called after everything else has been recomposed, and allows the template to
* set remaining values that may be based on some other property that depends on recomposition.
*/
public void compose(StylesheetRoot sroot) throws TransformerException {
// See if we can reduce an RTF to a select with a string expression.
if (null == m_selectPattern && sroot.getOptimizer()) {
XPath newSelect = rewriteChildToExpression(this);
if (null != newSelect) m_selectPattern = newSelect;
}
StylesheetRoot.ComposeState cstate = sroot.getComposeState();
// This should be done before addVariableName, so we don't have visibility
// to the variable now being defined.
java.util.Vector vnames = cstate.getVariableNames();
if (null != m_selectPattern) m_selectPattern.fixupVariables(vnames, cstate.getGlobalsSize());
// Only add the variable if this is not a global. If it is a global,
// it was already added by stylesheet root.
if (!(m_parentNode instanceof Stylesheet) && m_qname != null) {
m_index = cstate.addVariableName(m_qname) - cstate.getGlobalsSize();
} else if (m_parentNode instanceof Stylesheet) {
// If this is a global, then we need to treat it as if it's a xsl:template,
// and count the number of variables it contains. So we set the count to
// zero here.
cstate.resetStackFrameSize();
}
// This has to be done after the addVariableName, so that the variable
// pushed won't be immediately popped again in endCompose.
super.compose(sroot);
}
/**
* This after the template's children have been composed. We have to get the count of how many
* variables have been declared, so we can do a link and unlink.
*/
public void endCompose(StylesheetRoot sroot) throws TransformerException {
super.endCompose(sroot);
if (m_parentNode instanceof Stylesheet) {
StylesheetRoot.ComposeState cstate = sroot.getComposeState();
m_frameSize = cstate.getFrameSize();
cstate.resetStackFrameSize();
}
}
/** This after the template's children have been composed. */
public void endCompose(StylesheetRoot sroot) throws TransformerException {
int length = getSortElemCount();
for (int i = 0; i < length; i++) {
getSortElem(i).endCompose(sroot);
}
super.endCompose(sroot);
}
/**
* Remove a child. ADDED 9/8/200 to support compilation. TODO: ***** Alternative is "removeMe()
* from my parent if any" ... which is less well checked, but more convenient in some cases. Given
* that we assume only experts are calling this class, it might be preferable. It's less DOMish,
* though.
*
* @param childETE The child to remove. This operation is a no-op if oldChild is not a child of
* this node.
* @return the removed child, or null if the specified node was not a child of this element.
*/
public ElemTemplateElement removeChild(ElemTemplateElement childETE) {
if (childETE == null || childETE.m_parentNode != this) return null;
// Pointers to the child
if (childETE == m_firstChild) m_firstChild = childETE.m_nextSibling;
else {
ElemTemplateElement prev = childETE.getPreviousSiblingElem();
prev.m_nextSibling = childETE.m_nextSibling;
}
// Pointers from the child
childETE.m_parentNode = null;
childETE.m_nextSibling = null;
return childETE;
}
/**
* Add a child to the child list. NOTE: This presumes the child did not previously have a parent.
* Making that assumption makes this a less expensive operation -- but requires that if you *do*
* want to reparent a node, you use removeChild() first to remove it from its previous context.
* Failing to do so will damage the tree.
*
* @param elem Child to be added to child list
* @return Child just added to the child list
*/
public ElemTemplateElement appendChild(ElemTemplateElement elem) {
if (null == elem) {
error(XSLTErrorResources.ER_NULL_CHILD, null); // "Trying to add a null child!");
}
if (null == m_firstChild) {
m_firstChild = elem;
} else {
ElemTemplateElement last = getLastChildElem();
last.m_nextSibling = elem;
}
elem.setParentElem(this);
return elem;
}
/**
* This function is called after everything else has been recomposed, and allows the template to
* set remaining values that may be based on some other property that depends on recomposition.
*/
public void compose(StylesheetRoot sroot) throws TransformerException {
super.compose(sroot);
// Call compose on each param no matter if this is apply-templates
// or call templates.
int length = getParamElemCount();
for (int i = 0; i < length; i++) {
ElemWithParam ewp = getParamElem(i);
ewp.compose(sroot);
}
if ((null != m_templateName) && (null == m_template)) {
m_template = this.getStylesheetRoot().getTemplateComposed(m_templateName);
if (null == m_template) {
String themsg =
XSLMessages.createMessage(
XSLTErrorResources.ER_ELEMTEMPLATEELEM_ERR, new Object[] {m_templateName});
throw new TransformerException(themsg, this);
// "Could not find template named: '"+templateName+"'");
}
length = getParamElemCount();
for (int i = 0; i < length; i++) {
ElemWithParam ewp = getParamElem(i);
ewp.m_index = -1;
// Find the position of the param in the template being called,
// and set the index of the param slot.
int etePos = 0;
for (ElemTemplateElement ete = m_template.getFirstChildElem();
null != ete;
ete = ete.getNextSiblingElem()) {
if (ete.getXSLToken() == Constants.ELEMNAME_PARAMVARIABLE) {
ElemParam ep = (ElemParam) ete;
if (ep.getName().equals(ewp.getName())) {
ewp.m_index = etePos;
}
} else break;
etePos++;
}
}
}
}
/* 17: */
/* 18: */ private void executeFallbacks(TransformerImpl transformer)
/* 19: */ throws TransformerException
/* 20: */ {
/* 21: 60 */ for (ElemTemplateElement child = this.m_firstChild;
child != null;
child = child.m_nextSibling) {
/* 22: 63 */ if (child.getXSLToken() == 57) {
/* 23: */ try
/* 24: */ {
/* 25: 67 */ transformer.pushElemTemplateElement(child);
/* 26: 68 */ ((ElemFallback) child).executeFallback(transformer);
/* 27: */ }
/* 28: */ finally
/* 29: */ {
/* 30: 72 */ transformer.popElemTemplateElement();
/* 31: */ }
/* 32: */ }
/* 33: */ }
/* 34: */ }
/**
* Add a child to the child list. NOTE: This presumes the child did not previously have a parent.
* Making that assumption makes this a less expensive operation -- but requires that if you *do*
* want to reparent a node, you use removeChild() first to remove it from its previous context.
* Failing to do so will damage the tree.
*
* @param newChild Child to be added to child list
* @return Child just added to the child list
* @throws DOMException
*/
public Node appendChild(Node newChild) throws DOMException {
if (null == newChild) {
error(XSLTErrorResources.ER_NULL_CHILD, null); // "Trying to add a null child!");
}
ElemTemplateElement elem = (ElemTemplateElement) newChild;
if (null == m_firstChild) {
m_firstChild = elem;
} else {
ElemTemplateElement last = (ElemTemplateElement) getLastChild();
last.m_nextSibling = elem;
}
elem.m_parentNode = this;
return newChild;
}
/**
* Call the children visitors.
*
* @param visitor The visitor whose appropriate method will be called.
*/
public void callChildVisitors(XSLTVisitor visitor, boolean callAttributes) {
if (callAttributes && (null != m_selectExpression))
m_selectExpression.callVisitors(this, visitor);
int length = getSortElemCount();
for (int i = 0; i < length; i++) {
getSortElem(i).callVisitors(visitor);
}
super.callChildVisitors(visitor, callAttributes);
}
/**
* If the children of a variable is a single xsl:value-of or text literal, it is cheaper to
* evaluate this as an expression, so try and adapt the child an an expression.
*
* @param varElem Should be a ElemParam, ElemVariable, or ElemWithParam.
* @return An XPath if rewrite is possible, else null.
* @throws javax.xml.transform.TransformerException
*/
static XPath rewriteChildToExpression(ElemTemplateElement varElem) throws TransformerException {
ElemTemplateElement t = varElem.getFirstChildElem();
// Down the line this can be done with multiple string objects using
// the concat function.
if (null != t && null == t.getNextSiblingElem()) {
int etype = t.getXSLToken();
if (Constants.ELEMNAME_VALUEOF == etype) {
ElemValueOf valueof = (ElemValueOf) t;
// %TBD% I'm worried about extended attributes here.
if (valueof.getDisableOutputEscaping() == false && valueof.getDOMBackPointer() == null) {
varElem.m_firstChild = null;
return new XPath(new XRTreeFragSelectWrapper(valueof.getSelect().getExpression()));
}
} else if (Constants.ELEMNAME_TEXTLITERALRESULT == etype) {
ElemTextLiteral lit = (ElemTextLiteral) t;
if (lit.getDisableOutputEscaping() == false && lit.getDOMBackPointer() == null) {
String str = lit.getNodeValue();
XString xstr = new XString(str);
varElem.m_firstChild = null;
return new XPath(new XRTreeFragSelectWrapper(xstr));
}
}
}
return null;
}
public void compose(StylesheetRoot sroot) throws TransformerException {
super.compose(sroot);
String prefix = getPrefix();
String declNamespace = getNamespaceForPrefix(prefix);
String lang = null;
String srcURL = null;
String scriptSrc = null;
if (null == declNamespace)
throw new TransformerException(
XSLMessages.createMessage(
XSLTErrorResources.ER_NO_NAMESPACE_DECL, new Object[] {prefix}));
// "Prefix " + prefix does not have a corresponding namespace declaration");
for (ElemTemplateElement child = getFirstChildElem();
child != null;
child = child.getNextSiblingElem()) {
if (Constants.ELEMNAME_EXTENSIONSCRIPT == child.getXSLToken()) {
ElemExtensionScript sdecl = (ElemExtensionScript) child;
lang = sdecl.getLang();
srcURL = sdecl.getSrc();
ElemTemplateElement childOfSDecl = sdecl.getFirstChildElem();
if (null != childOfSDecl) {
if (Constants.ELEMNAME_TEXTLITERALRESULT == childOfSDecl.getXSLToken()) {
ElemTextLiteral tl = (ElemTextLiteral) childOfSDecl;
char[] chars = tl.getChars();
scriptSrc = new String(chars);
if (scriptSrc.trim().length() == 0) scriptSrc = null;
}
}
}
}
if (null == lang) lang = "javaclass";
if (lang.equals("javaclass") && (scriptSrc != null))
throw new TransformerException(
XSLMessages.createMessage(
XSLTErrorResources.ER_ELEM_CONTENT_NOT_ALLOWED, new Object[] {scriptSrc}));
// "Element content not allowed for lang=javaclass " + scriptSrc);
// Register the extension namespace if it has not already been registered.
ExtensionNamespaceSupport extNsSpt = null;
ExtensionNamespacesManager extNsMgr = sroot.getExtensionNamespacesManager();
if (extNsMgr.namespaceIndex(declNamespace, extNsMgr.getExtensions()) == -1) {
if (lang.equals("javaclass")) {
if (null == srcURL) {
extNsSpt = extNsMgr.defineJavaNamespace(declNamespace);
} else if (extNsMgr.namespaceIndex(srcURL, extNsMgr.getExtensions()) == -1) {
extNsSpt = extNsMgr.defineJavaNamespace(declNamespace, srcURL);
}
} else // not java
{
String handler = "org.apache.xalan.extensions.ExtensionHandlerGeneral";
Object[] args = {
declNamespace, this.m_elements, this.m_functions, lang, srcURL, scriptSrc, getSystemId()
};
extNsSpt = new ExtensionNamespaceSupport(declNamespace, handler, args);
}
}
if (extNsSpt != null) extNsMgr.registerExtension(extNsSpt);
}
/**
* Receive notification of the start of an xsl:output element.
*
* @param handler The calling StylesheetHandler/TemplatesBuilder.
* @param uri The Namespace URI, or the empty string if the element has no Namespace URI or if
* Namespace processing is not being performed.
* @param localName The local name (without prefix), or the empty string if Namespace processing
* is not being performed.
* @param rawName The raw XML 1.0 name (with prefix), or the empty string if raw names are not
* available.
* @param attributes The attributes attached to the element. If there are no attributes, it shall
* be an empty Attributes object.
* @throws org.xml.sax.SAXException
*/
public void startElement(
StylesheetHandler handler,
String uri,
String localName,
String rawName,
Attributes attributes)
throws org.xml.sax.SAXException {
// Hmmm... for the moment I don't think I'll have default properties set for this. -sb
m_outputProperties = new OutputProperties();
m_outputProperties.setDOMBackPointer(handler.getOriginatingNode());
m_outputProperties.setLocaterInfo(handler.getLocator());
m_outputProperties.setUid(handler.nextUid());
setPropertiesFromAttributes(handler, rawName, attributes, this);
// Access this only from the Hashtable level... we don't want to
// get default properties.
String entitiesFileName =
(String) m_outputProperties.getProperties().get(OutputPropertiesFactory.S_KEY_ENTITIES);
if (null != entitiesFileName) {
try {
String absURL =
SystemIDResolver.getAbsoluteURI(entitiesFileName, handler.getBaseIdentifier());
m_outputProperties.getProperties().put(OutputPropertiesFactory.S_KEY_ENTITIES, absURL);
} catch (TransformerException te) {
handler.error(te.getMessage(), te);
}
}
handler.getStylesheet().setOutput(m_outputProperties);
ElemTemplateElement parent = handler.getElemTemplateElement();
parent.appendChild(m_outputProperties);
m_outputProperties = null;
}
/**
* Unimplemented. See org.w3c.dom.Node
*
* @param newChild New child node to insert
* @param refChild Insert in front of this child
* @return null
* @throws DOMException
*/
public Node insertBefore(Node newChild, Node refChild) throws DOMException {
if (null == refChild) {
appendChild(newChild);
return newChild;
}
if (newChild == refChild) {
// hmm...
return newChild;
}
Node node = m_firstChild;
Node prev = null;
boolean foundit = false;
while (null != node) {
// If the newChild is already in the tree, it is first removed.
if (newChild == node) {
if (null != prev)
((ElemTemplateElement) prev).m_nextSibling = (ElemTemplateElement) node.getNextSibling();
else m_firstChild = (ElemTemplateElement) node.getNextSibling();
node = node.getNextSibling();
continue; // prev remains the same.
}
if (refChild == node) {
if (null != prev) {
((ElemTemplateElement) prev).m_nextSibling = (ElemTemplateElement) newChild;
} else {
m_firstChild = (ElemTemplateElement) newChild;
}
((ElemTemplateElement) newChild).m_nextSibling = (ElemTemplateElement) refChild;
((ElemTemplateElement) newChild).setParentElem(this);
prev = newChild;
node = node.getNextSibling();
foundit = true;
continue;
}
prev = node;
node = node.getNextSibling();
}
if (!foundit)
throw new DOMException(
DOMException.NOT_FOUND_ERR, "refChild was not found in insertBefore method!");
else return newChild;
}
/**
* This function is called after everything else has been recomposed, and allows the template to
* set remaining values that may be based on some other property that depends on recomposition.
*
* <p>NEEDSDOC @param sroot
*
* @throws TransformerException
*/
public void compose(StylesheetRoot sroot) throws TransformerException {
super.compose(sroot);
int length = getSortElemCount();
for (int i = 0; i < length; i++) {
getSortElem(i).compose(sroot);
}
java.util.Vector vnames = sroot.getComposeState().getVariableNames();
if (null != m_selectExpression)
m_selectExpression.fixupVariables(vnames, sroot.getComposeState().getGlobalsSize());
else {
m_selectExpression = getStylesheetRoot().m_selectDefault.getExpression();
}
}
/**
* Replace the old child with a new child.
*
* @param newChild New child to replace with
* @param oldChild Old child to be replaced
* @return The new child
* @throws DOMException
*/
public Node replaceChild(Node newChild, Node oldChild) throws DOMException {
if (oldChild == null || oldChild.getParentNode() != this) return null;
ElemTemplateElement newChildElem = ((ElemTemplateElement) newChild);
ElemTemplateElement oldChildElem = ((ElemTemplateElement) oldChild);
// Fix up previous sibling.
ElemTemplateElement prev = (ElemTemplateElement) oldChildElem.getPreviousSibling();
if (null != prev) prev.m_nextSibling = newChildElem;
// Fix up parent (this)
if (m_firstChild == oldChildElem) m_firstChild = newChildElem;
newChildElem.m_parentNode = this;
oldChildElem.m_parentNode = null;
newChildElem.m_nextSibling = oldChildElem.m_nextSibling;
oldChildElem.m_nextSibling = null;
// newChildElem.m_stylesheet = oldChildElem.m_stylesheet;
// oldChildElem.m_stylesheet = null;
return newChildElem;
}
/**
* Add a child to the child list. <!ELEMENT xsl:attribute-set (xsl:attribute)*> <!ATTLIST
* xsl:attribute-set name %qname; #REQUIRED use-attribute-sets %qnames; #IMPLIED >
*
* @param newChild Child to be added to this node's list of children
* @return The child that was just added to the list of children
* @throws DOMException
*/
public ElemTemplateElement appendChildElem(ElemTemplateElement newChild) {
int type = ((ElemTemplateElement) newChild).getXSLToken();
switch (type) {
case Constants.ELEMNAME_ATTRIBUTE:
break;
default:
error(
XSLTErrorResources.ER_CANNOT_ADD,
new Object[] {
newChild.getNodeName(), this.getNodeName()
}); // "Can not add " +((ElemTemplateElement)newChild).m_elemName +
// " to " + this.m_elemName);
}
return super.appendChild(newChild);
}
/**
* Replace the old child with a new child.
*
* @param newChildElem New child to replace with
* @param oldChildElem Old child to be replaced
* @return The new child
* @throws DOMException
*/
public ElemTemplateElement replaceChild(
ElemTemplateElement newChildElem, ElemTemplateElement oldChildElem) {
if (oldChildElem == null || oldChildElem.getParentElem() != this) return null;
// Fix up previous sibling.
ElemTemplateElement prev = oldChildElem.getPreviousSiblingElem();
if (null != prev) prev.m_nextSibling = newChildElem;
// Fix up parent (this)
if (m_firstChild == oldChildElem) m_firstChild = newChildElem;
newChildElem.m_parentNode = this;
oldChildElem.m_parentNode = null;
newChildElem.m_nextSibling = oldChildElem.m_nextSibling;
oldChildElem.m_nextSibling = null;
// newChildElem.m_stylesheet = oldChildElem.m_stylesheet;
// oldChildElem.m_stylesheet = null;
return newChildElem;
}
/**
* Add a child to the child list.
*
* @param newChild Child to add to this node's child list
* @return Child that was just added to child list
* @throws DOMException
*/
public ElemTemplateElement appendChild(ElemTemplateElement newChild) {
int type = ((ElemTemplateElement) newChild).getXSLToken();
switch (type) {
// char-instructions
case Constants.ELEMNAME_TEXTLITERALRESULT:
case Constants.ELEMNAME_APPLY_TEMPLATES:
case Constants.ELEMNAME_APPLY_IMPORTS:
case Constants.ELEMNAME_CALLTEMPLATE:
case Constants.ELEMNAME_FOREACH:
case Constants.ELEMNAME_VALUEOF:
case Constants.ELEMNAME_COPY_OF:
case Constants.ELEMNAME_NUMBER:
case Constants.ELEMNAME_CHOOSE:
case Constants.ELEMNAME_IF:
case Constants.ELEMNAME_TEXT:
case Constants.ELEMNAME_COPY:
case Constants.ELEMNAME_VARIABLE:
case Constants.ELEMNAME_MESSAGE:
// instructions
// case Constants.ELEMNAME_PI:
// case Constants.ELEMNAME_COMMENT:
// case Constants.ELEMNAME_ELEMENT:
// case Constants.ELEMNAME_ATTRIBUTE:
break;
default:
error(
XSLTErrorResources.ER_CANNOT_ADD,
new Object[] {
newChild.getNodeName(), this.getNodeName()
}); // "Can not add " +((ElemTemplateElement)newChild).m_elemName +
// " to " + this.m_elemName);
}
return super.appendChild(newChild);
}
/**
* Get a variable based on it's qualified name. This is for external use only.
*
* @param xctxt The XPath context, which must be passed in order to lazy evaluate variables.
* @param qname The qualified name of the variable.
* @return The evaluated value of the variable.
* @throws javax.xml.transform.TransformerException
*/
public XObject getVariableOrParam(XPathContext xctxt, org.apache.xml.utils.QName qname)
throws javax.xml.transform.TransformerException {
org.apache.xml.utils.PrefixResolver prefixResolver = xctxt.getNamespaceContext();
// Get the current ElemTemplateElement, which must be pushed in as the
// prefix resolver, and then walk backwards in document order, searching
// for an xsl:param element or xsl:variable element that matches our
// qname. If we reach the top level, use the StylesheetRoot's composed
// list of top level variables and parameters.
if (prefixResolver instanceof org.apache.xalan.templates.ElemTemplateElement) {
org.apache.xalan.templates.ElemVariable vvar;
org.apache.xalan.templates.ElemTemplateElement prev =
(org.apache.xalan.templates.ElemTemplateElement) prefixResolver;
if (!(prev instanceof org.apache.xalan.templates.Stylesheet)) {
while (!(prev.getParentNode() instanceof org.apache.xalan.templates.Stylesheet)) {
org.apache.xalan.templates.ElemTemplateElement savedprev = prev;
while (null != (prev = prev.getPreviousSiblingElem())) {
if (prev instanceof org.apache.xalan.templates.ElemVariable) {
vvar = (org.apache.xalan.templates.ElemVariable) prev;
if (vvar.getName().equals(qname)) return getLocalVariable(xctxt, vvar.getIndex());
}
}
prev = savedprev.getParentElem();
}
}
vvar = prev.getStylesheetRoot().getVariableOrParamComposed(qname);
if (null != vvar) return getGlobalVariable(xctxt, vvar.getIndex());
}
throw new javax.xml.transform.TransformerException(
XSLMessages.createXPATHMessage(
XPATHErrorResources.ER_VAR_NOT_RESOLVABLE,
new Object[] {qname.toString()})); // "Variable not resolvable: " + qname);
}
/**
* Perform a query if needed, and call transformNode for each child.
*
* @param transformer non-null reference to the the current transform-time state.
* @throws TransformerException Thrown in a variety of circumstances.
* @xsl.usage advanced
*/
public void transformSelectedNodes(TransformerImpl transformer) throws TransformerException {
final XPathContext xctxt = transformer.getXPathContext();
final int sourceNode = xctxt.getCurrentNode();
DTMIterator sourceNodes = m_selectExpression.asIterator(xctxt, sourceNode);
try {
final Vector keys =
(m_sortElems == null) ? null : transformer.processSortKeys(this, sourceNode);
// Sort if we need to.
if (null != keys) sourceNodes = sortNodes(xctxt, keys, sourceNodes);
if (transformer.getDebug()) {
// The original code, which is broken for bug#16889,
// which fails to get the original select expression in the select event.
/* transformer.getTraceManager().fireSelectedEvent(
* sourceNode,
* this,
* "select",
* new XPath(m_selectExpression),
* new org.apache.xpath.objects.XNodeSet(sourceNodes));
*/
// The following code fixes bug#16889
// Solution: Store away XPath in setSelect(Xath), and use it here.
// Pass m_xath, which the current node is associated with, onto the TraceManager.
Expression expr = m_xpath.getExpression();
org.apache.xpath.objects.XObject xObject = expr.execute(xctxt);
int current = xctxt.getCurrentNode();
transformer.getTraceManager().fireSelectedEvent(current, this, "select", m_xpath, xObject);
}
xctxt.pushCurrentNode(DTM.NULL);
IntStack currentNodes = xctxt.getCurrentNodeStack();
xctxt.pushCurrentExpressionNode(DTM.NULL);
IntStack currentExpressionNodes = xctxt.getCurrentExpressionNodeStack();
xctxt.pushSAXLocatorNull();
xctxt.pushContextNodeList(sourceNodes);
transformer.pushElemTemplateElement(null);
// pushParams(transformer, xctxt);
// Should be able to get this from the iterator but there must be a bug.
DTM dtm = xctxt.getDTM(sourceNode);
int docID = sourceNode & DTMManager.IDENT_DTM_DEFAULT;
int child;
while (DTM.NULL != (child = sourceNodes.nextNode())) {
currentNodes.setTop(child);
currentExpressionNodes.setTop(child);
if ((child & DTMManager.IDENT_DTM_DEFAULT) != docID) {
dtm = xctxt.getDTM(child);
docID = child & DTMManager.IDENT_DTM_DEFAULT;
}
// final int exNodeType = dtm.getExpandedTypeID(child);
final int nodeType = dtm.getNodeType(child);
// Fire a trace event for the template.
if (transformer.getDebug()) {
transformer.getTraceManager().fireTraceEvent(this);
}
// And execute the child templates.
// Loop through the children of the template, calling execute on
// each of them.
for (ElemTemplateElement t = this.m_firstChild; t != null; t = t.m_nextSibling) {
xctxt.setSAXLocator(t);
transformer.setCurrentElement(t);
t.execute(transformer);
}
if (transformer.getDebug()) {
// We need to make sure an old current element is not
// on the stack. See TransformerImpl#getElementCallstack.
transformer.setCurrentElement(null);
transformer.getTraceManager().fireTraceEndEvent(this);
}
// KLUGE: Implement <?xalan:doc_cache_off?>
// ASSUMPTION: This will be set only when the XPath was indeed
// a call to the Document() function. Calling it in other
// situations is likely to fry Xalan.
//
// %REVIEW% We need a MUCH cleaner solution -- one that will
// handle cleaning up after document() and getDTM() in other
// contexts. The whole SourceTreeManager mechanism should probably
// be moved into DTMManager rather than being explicitly invoked in
// FuncDocument and here.
if (m_doc_cache_off) {
if (DEBUG)
System.out.println(
"JJK***** CACHE RELEASE *****\n" + "\tdtm=" + dtm.getDocumentBaseURI());
// NOTE: This will work because this is _NOT_ a shared DTM, and thus has
// only a single Document node. If it could ever be an RTF or other
// shared DTM, this would require substantial rework.
xctxt.getSourceTreeManager().removeDocumentFromCache(dtm.getDocument());
xctxt.release(dtm, false);
}
}
} finally {
if (transformer.getDebug())
transformer
.getTraceManager()
.fireSelectedEndEvent(
sourceNode,
this,
"select",
new XPath(m_selectExpression),
new org.apache.xpath.objects.XNodeSet(sourceNodes));
xctxt.popSAXLocator();
xctxt.popContextNodeList();
transformer.popElemTemplateElement();
xctxt.popCurrentExpressionNode();
xctxt.popCurrentNode();
sourceNodes.detach();
}
}
/**
* Receive notification of the start of an element.
*
* @param handler non-null reference to current StylesheetHandler that is constructing the
* Templates.
* @param uri The Namespace URI, or an empty string.
* @param localName The local name (without prefix), or empty string if not namespace processing.
* @param rawName The qualified name (with prefix).
* @param attributes The specified or defaulted attributes.
*/
public void startElement(
StylesheetHandler handler,
String uri,
String localName,
String rawName,
Attributes attributes)
throws org.xml.sax.SAXException {
try {
ElemTemplateElement p = handler.getElemTemplateElement();
boolean excludeXSLDecl = false;
boolean isLREAsStyleSheet = false;
if (null == p) {
// Literal Result Template as stylesheet.
XSLTElementProcessor lreProcessor = handler.popProcessor();
XSLTElementProcessor stylesheetProcessor =
handler.getProcessorFor(Constants.S_XSLNAMESPACEURL, "stylesheet", "xsl:stylesheet");
handler.pushProcessor(lreProcessor);
Stylesheet stylesheet;
try {
stylesheet = getStylesheetRoot(handler);
} catch (TransformerConfigurationException tfe) {
throw new TransformerException(tfe);
}
// stylesheet.setDOMBackPointer(handler.getOriginatingNode());
// ***** Note that we're assigning an empty locator. Is this necessary?
SAXSourceLocator slocator = new SAXSourceLocator();
Locator locator = handler.getLocator();
if (null != locator) {
slocator.setLineNumber(locator.getLineNumber());
slocator.setColumnNumber(locator.getColumnNumber());
slocator.setPublicId(locator.getPublicId());
slocator.setSystemId(locator.getSystemId());
}
stylesheet.setLocaterInfo(slocator);
stylesheet.setPrefixes(handler.getNamespaceSupport());
handler.pushStylesheet(stylesheet);
isLREAsStyleSheet = true;
AttributesImpl stylesheetAttrs = new AttributesImpl();
AttributesImpl lreAttrs = new AttributesImpl();
int n = attributes.getLength();
for (int i = 0; i < n; i++) {
String attrLocalName = attributes.getLocalName(i);
String attrUri = attributes.getURI(i);
String value = attributes.getValue(i);
if ((null != attrUri) && attrUri.equals(Constants.S_XSLNAMESPACEURL)) {
stylesheetAttrs.addAttribute(
null, attrLocalName, attrLocalName, attributes.getType(i), attributes.getValue(i));
} else if ((attrLocalName.startsWith("xmlns:") || attrLocalName.equals("xmlns"))
&& value.equals(Constants.S_XSLNAMESPACEURL)) {
// ignore
} else {
lreAttrs.addAttribute(
attrUri,
attrLocalName,
attributes.getQName(i),
attributes.getType(i),
attributes.getValue(i));
}
}
attributes = lreAttrs;
// Set properties from the attributes, but don't throw
// an error if there is an attribute defined that is not
// allowed on a stylesheet.
try {
stylesheetProcessor.setPropertiesFromAttributes(
handler, "stylesheet", stylesheetAttrs, stylesheet);
} catch (Exception e) {
// This is pretty ugly, but it will have to do for now.
// This is just trying to append some text specifying that
// this error came from a missing or invalid XSLT namespace
// declaration.
// If someone comes up with a better solution, please feel
// free to contribute it. -mm
if (stylesheet.getDeclaredPrefixes() == null || !declaredXSLNS(stylesheet)) {
throw new org.xml.sax.SAXException(
XSLMessages.createWarning(XSLTErrorResources.WG_OLD_XSLT_NS, null));
} else {
throw new org.xml.sax.SAXException(e);
}
}
handler.pushElemTemplateElement(stylesheet);
ElemTemplate template = new ElemTemplate();
if (slocator != null) template.setLocaterInfo(slocator);
appendAndPush(handler, template);
XPath rootMatch =
new XPath(
"/",
stylesheet,
stylesheet,
XPath.MATCH,
handler.getStylesheetProcessor().getErrorListener());
template.setMatch(rootMatch);
// template.setDOMBackPointer(handler.getOriginatingNode());
stylesheet.setTemplate(template);
p = handler.getElemTemplateElement();
excludeXSLDecl = true;
}
XSLTElementDef def = getElemDef();
Class classObject = def.getClassObject();
boolean isExtension = false;
boolean isComponentDecl = false;
boolean isUnknownTopLevel = false;
while (null != p) {
// System.out.println("Checking: "+p);
if (p instanceof ElemLiteralResult) {
ElemLiteralResult parentElem = (ElemLiteralResult) p;
isExtension = parentElem.containsExtensionElementURI(uri);
} else if (p instanceof Stylesheet) {
Stylesheet parentElem = (Stylesheet) p;
isExtension = parentElem.containsExtensionElementURI(uri);
if ((false == isExtension)
&& (null != uri)
&& (uri.equals(Constants.S_BUILTIN_EXTENSIONS_URL)
|| uri.equals(Constants.S_BUILTIN_OLD_EXTENSIONS_URL))) {
isComponentDecl = true;
} else {
isUnknownTopLevel = true;
}
}
if (isExtension) break;
p = p.getParentElem();
}
ElemTemplateElement elem = null;
try {
if (isExtension) {
// System.out.println("Creating extension(1): "+uri);
elem = new ElemExtensionCall();
} else if (isComponentDecl) {
elem = (ElemTemplateElement) classObject.newInstance();
} else if (isUnknownTopLevel) {
// TBD: Investigate, not sure about this. -sb
elem = (ElemTemplateElement) classObject.newInstance();
} else {
elem = (ElemTemplateElement) classObject.newInstance();
}
elem.setDOMBackPointer(handler.getOriginatingNode());
elem.setLocaterInfo(handler.getLocator());
elem.setPrefixes(handler.getNamespaceSupport(), excludeXSLDecl);
if (elem instanceof ElemLiteralResult) {
((ElemLiteralResult) elem).setNamespace(uri);
((ElemLiteralResult) elem).setLocalName(localName);
((ElemLiteralResult) elem).setRawName(rawName);
((ElemLiteralResult) elem).setIsLiteralResultAsStylesheet(isLREAsStyleSheet);
}
} catch (InstantiationException ie) {
handler.error(
XSLTErrorResources.ER_FAILED_CREATING_ELEMLITRSLT,
null,
ie); // "Failed creating ElemLiteralResult instance!", ie);
} catch (IllegalAccessException iae) {
handler.error(
XSLTErrorResources.ER_FAILED_CREATING_ELEMLITRSLT,
null,
iae); // "Failed creating ElemLiteralResult instance!", iae);
}
setPropertiesFromAttributes(handler, rawName, attributes, elem);
// bit of a hack here...
if (!isExtension && (elem instanceof ElemLiteralResult)) {
isExtension = ((ElemLiteralResult) elem).containsExtensionElementURI(uri);
if (isExtension) {
// System.out.println("Creating extension(2): "+uri);
elem = new ElemExtensionCall();
elem.setLocaterInfo(handler.getLocator());
elem.setPrefixes(handler.getNamespaceSupport());
((ElemLiteralResult) elem).setNamespace(uri);
((ElemLiteralResult) elem).setLocalName(localName);
((ElemLiteralResult) elem).setRawName(rawName);
setPropertiesFromAttributes(handler, rawName, attributes, elem);
}
}
appendAndPush(handler, elem);
} catch (TransformerException te) {
throw new org.xml.sax.SAXException(te);
}
}
/**
* <meta name="usage" content="advanced"/> Perform a query if needed, and call transformNode for
* each child.
*
* @param transformer non-null reference to the the current transform-time state.
* @param template The owning template context.
* @throws TransformerException Thrown in a variety of circumstances.
*/
public void transformSelectedNodes(TransformerImpl transformer) throws TransformerException {
final XPathContext xctxt = transformer.getXPathContext();
final int sourceNode = xctxt.getCurrentNode();
DTMIterator sourceNodes = m_selectExpression.asIterator(xctxt, sourceNode);
VariableStack vars = xctxt.getVarStack();
int nParams = getParamElemCount();
int thisframe = vars.getStackFrame();
StackGuard guard = transformer.getStackGuard();
boolean check = (guard.getRecursionLimit() > -1) ? true : false;
try {
final Vector keys =
(m_sortElems == null) ? null : transformer.processSortKeys(this, sourceNode);
// Sort if we need to.
if (null != keys) sourceNodes = sortNodes(xctxt, keys, sourceNodes);
if (TransformerImpl.S_DEBUG) {
transformer
.getTraceManager()
.fireSelectedEvent(
sourceNode,
this,
"select",
new XPath(m_selectExpression),
new org.apache.xpath.objects.XNodeSet(sourceNodes));
}
final ResultTreeHandler rth = transformer.getResultTreeHandler();
ContentHandler chandler = rth.getContentHandler();
final StylesheetRoot sroot = transformer.getStylesheet();
final TemplateList tl = sroot.getTemplateListComposed();
final boolean quiet = transformer.getQuietConflictWarnings();
// Should be able to get this from the iterator but there must be a bug.
DTM dtm = xctxt.getDTM(sourceNode);
int argsFrame = -1;
if (nParams > 0) {
// This code will create a section on the stack that is all the
// evaluated arguments. These will be copied into the real params
// section of each called template.
argsFrame = vars.link(nParams);
vars.setStackFrame(thisframe);
for (int i = 0; i < nParams; i++) {
ElemWithParam ewp = m_paramElems[i];
XObject obj = ewp.getValue(transformer, sourceNode);
vars.setLocalVariable(i, obj, argsFrame);
}
vars.setStackFrame(argsFrame);
}
xctxt.pushCurrentNode(DTM.NULL);
IntStack currentNodes = xctxt.getCurrentNodeStack();
xctxt.pushCurrentExpressionNode(DTM.NULL);
IntStack currentExpressionNodes = xctxt.getCurrentExpressionNodeStack();
xctxt.pushSAXLocatorNull();
xctxt.pushContextNodeList(sourceNodes);
transformer.pushElemTemplateElement(null);
// pushParams(transformer, xctxt);
int child;
while (DTM.NULL != (child = sourceNodes.nextNode())) {
currentNodes.setTop(child);
currentExpressionNodes.setTop(child);
if (xctxt.getDTM(child) != dtm) {
dtm = xctxt.getDTM(child);
}
final int exNodeType = dtm.getExpandedTypeID(child);
final int nodeType = dtm.getNodeType(child);
final QName mode = transformer.getMode();
ElemTemplate template = tl.getTemplateFast(xctxt, child, exNodeType, mode, -1, quiet, dtm);
// If that didn't locate a node, fall back to a default template rule.
// See http://www.w3.org/TR/xslt#built-in-rule.
if (null == template) {
switch (nodeType) {
case DTM.DOCUMENT_FRAGMENT_NODE:
case DTM.ELEMENT_NODE:
template = sroot.getDefaultRule();
// %OPT% direct faster?
break;
case DTM.ATTRIBUTE_NODE:
case DTM.CDATA_SECTION_NODE:
case DTM.TEXT_NODE:
// if(rth.m_elemIsPending || rth.m_docPending)
// rth.flushPending(true);
transformer.pushPairCurrentMatched(sroot.getDefaultTextRule(), child);
transformer.setCurrentElement(sroot.getDefaultTextRule());
// dtm.dispatchCharactersEvents(child, chandler, false);
dtm.dispatchCharactersEvents(child, rth, false);
transformer.popCurrentMatched();
continue;
case DTM.DOCUMENT_NODE:
template = sroot.getDefaultRootRule();
break;
default:
// No default rules for processing instructions and the like.
continue;
}
} else {
transformer.setCurrentElement(template);
}
transformer.pushPairCurrentMatched(template, child);
if (check) guard.checkForInfinateLoop();
int currentFrameBottom; // See comment with unlink, below
if (template.m_frameSize > 0) {
xctxt.pushRTFContext();
currentFrameBottom = vars.getStackFrame(); // See comment with unlink, below
vars.link(template.m_frameSize);
// You can't do the check for nParams here, otherwise the
// xsl:params might not be nulled.
if (
/* nParams > 0 && */ template.m_inArgsSize > 0) {
int paramIndex = 0;
for (ElemTemplateElement elem = template.getFirstChildElem();
null != elem;
elem = elem.getNextSiblingElem()) {
if (Constants.ELEMNAME_PARAMVARIABLE == elem.getXSLToken()) {
ElemParam ep = (ElemParam) elem;
int i;
for (i = 0; i < nParams; i++) {
ElemWithParam ewp = m_paramElems[i];
if (ewp.m_qnameID == ep.m_qnameID) {
XObject obj = vars.getLocalVariable(i, argsFrame);
vars.setLocalVariable(paramIndex, obj);
break;
}
}
if (i == nParams) vars.setLocalVariable(paramIndex, null);
} else break;
paramIndex++;
}
}
} else currentFrameBottom = 0;
// Fire a trace event for the template.
if (TransformerImpl.S_DEBUG) transformer.getTraceManager().fireTraceEvent(template);
// And execute the child templates.
// Loop through the children of the template, calling execute on
// each of them.
for (ElemTemplateElement t = template.m_firstChild; t != null; t = t.m_nextSibling) {
xctxt.setSAXLocator(t);
try {
transformer.pushElemTemplateElement(t);
t.execute(transformer);
} finally {
transformer.popElemTemplateElement();
}
}
if (TransformerImpl.S_DEBUG) transformer.getTraceManager().fireTraceEndEvent(template);
if (template.m_frameSize > 0) {
// See Frank Weiss bug around 03/19/2002 (no Bugzilla report yet).
// While unlink will restore to the proper place, the real position
// may have been changed for xsl:with-param, so that variables
// can be accessed.
// of right now.
// More:
// When we entered this function, the current
// frame buffer (cfb) index in the variable stack may
// have been manually set. If we just call
// unlink(), however, it will restore the cfb to the
// previous link index from the link stack, rather than
// the manually set cfb. So,
// the only safe solution is to restore it back
// to the same position it was on entry, since we're
// really not working in a stack context here. (Bug4218)
vars.unlink(currentFrameBottom);
xctxt.popRTFContext();
}
transformer.popCurrentMatched();
} // end while (DTM.NULL != (child = sourceNodes.nextNode()))
} catch (SAXException se) {
transformer.getErrorListener().fatalError(new TransformerException(se));
} finally {
if (TransformerImpl.S_DEBUG)
transformer
.getTraceManager()
.fireSelectedEndEvent(
sourceNode,
this,
"select",
new XPath(m_selectExpression),
new org.apache.xpath.objects.XNodeSet(sourceNodes));
// Unlink to the original stack frame
if (nParams > 0) vars.unlink(thisframe);
xctxt.popSAXLocator();
xctxt.popContextNodeList();
transformer.popElemTemplateElement();
xctxt.popCurrentExpressionNode();
xctxt.popCurrentNode();
sourceNodes.detach();
}
}
/**
* Call the children visitors.
*
* @param visitor The visitor whose appropriate method will be called.
*/
protected void callChildVisitors(XSLTVisitor visitor, boolean callAttrs) {
if (null != m_selectPattern)
m_selectPattern.getExpression().callVisitors(m_selectPattern, visitor);
super.callChildVisitors(visitor, callAttrs);
}
/**
* Set the parent as an ElemTemplateElement.
*
* @param p This node's parent as an ElemTemplateElement
*/
public void setParentElem(ElemTemplateElement p) {
super.setParentElem(p);
p.m_hasVariableDecl = true;
}
