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);
}
/**
* 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;
}
/**
* 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;
}
/* 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: */ }
/**
* 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();
}
/**
* 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: */ }
/**
* <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();
}
}
