/**
* 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);
}
/**
* Recalculate the precedence of this stylesheet in the global import list. The lowest precedence
* stylesheet is 0. A higher number has a higher precedence.
*/
void recomposeImports() {
m_importNumber = getStylesheetRoot().getImportNumber(this);
StylesheetRoot root = getStylesheetRoot();
int globalImportCount = root.getGlobalImportCount();
m_importCountComposed = (globalImportCount - m_importNumber) - 1;
// Now get the count of composed imports from this stylesheet's imports
int count = getImportCount();
if (count > 0) {
m_endImportCountComposed += count;
while (count > 0)
m_endImportCountComposed += this.getImport(--count).getEndImportCountComposed();
}
// Now get the count of composed imports from this stylesheet's
// composed includes.
count = getIncludeCountComposed();
while (count > 0) {
int imports = getIncludeComposed(--count).getImportCount();
m_endImportCountComposed += imports;
while (imports > 0)
m_endImportCountComposed +=
getIncludeComposed(count).getImport(--imports).getEndImportCountComposed();
}
}
/**
* Get a stylesheet from the "import" list.
*
* @see <a href="http://www.w3.org/TR/xslt#import">import in XSLT Specification</a>
* @param i Index of stylesheet in import list
* @return The stylesheet at the given index
* @throws ArrayIndexOutOfBoundsException
*/
public StylesheetComposed getImportComposed(int i) throws ArrayIndexOutOfBoundsException {
StylesheetRoot root = getStylesheetRoot();
// Get the stylesheet that is offset past this stylesheet.
// Thus, if the index of this stylesheet is 3, an argument
// to getImportComposed of 0 will return the 4th stylesheet
// in the global import list.
return root.getGlobalImport(1 + m_importNumber + i);
}
/**
* Augment resolvePrefixTables, resolving the namespace aliases once the superclass has resolved
* the tables.
*
* @throws TransformerException
*/
public void resolvePrefixTables() throws TransformerException {
super.resolvePrefixTables();
StylesheetRoot stylesheet = getStylesheetRoot();
if ((null != m_namespace) && (m_namespace.length() > 0)) {
NamespaceAlias nsa = stylesheet.getNamespaceAliasComposed(m_namespace);
if (null != nsa) {
m_namespace = nsa.getResultNamespace();
// String resultPrefix = nsa.getResultPrefix();
String resultPrefix = nsa.getStylesheetPrefix(); // As per xsl WG, Mike Kay
if ((null != resultPrefix) && (resultPrefix.length() > 0))
m_rawName = resultPrefix + ":" + m_localName;
else m_rawName = m_localName;
}
}
if (null != m_avts) {
int n = m_avts.size();
for (int i = 0; i < n; i++) {
AVT avt = (AVT) m_avts.get(i);
// Should this stuff be a method on AVT?
String ns = avt.getURI();
if ((null != ns) && (ns.length() > 0)) {
NamespaceAlias nsa = stylesheet.getNamespaceAliasComposed(m_namespace); // %REVIEW% ns?
if (null != nsa) {
String namespace = nsa.getResultNamespace();
// String resultPrefix = nsa.getResultPrefix();
String resultPrefix = nsa.getStylesheetPrefix(); // As per XSL WG
String rawName = avt.getName();
if ((null != resultPrefix) && (resultPrefix.length() > 0))
rawName = resultPrefix + ":" + rawName;
avt.setURI(namespace);
avt.setRawName(rawName);
}
}
}
}
}
/**
* 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();
}
}
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);
}
/**
* 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();
}
}
/**
* 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);
StylesheetRoot.ComposeState cstate = sroot.getComposeState();
java.util.Vector vnames = cstate.getVariableNames();
if (null != m_avts) {
int nAttrs = m_avts.size();
for (int i = (nAttrs - 1); i >= 0; i--) {
AVT avt = (AVT) m_avts.get(i);
avt.fixupVariables(vnames, cstate.getGlobalsSize());
}
}
}
/**
* This function is called during recomposition to control how this element is composed.
*
* @param root The root stylesheet for this transformation.
*/
public void recompose(StylesheetRoot root) {
root.recomposeAttributeSets(this);
}
/**
* <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();
}
}
/**
* This function is called during recomposition to control how this element is composed.
*
* @param root The root stylesheet for this transformation.
*/
public void recompose(StylesheetRoot root) {
root.recomposeVariables(this);
}
/**
* Get information about whether or not whitespace can be stripped.
*
* @see <a href="http://www.w3.org/TR/xslt#strip">strip in XSLT Specification</a>
* @return true if the whitespace can be stripped.
*/
public boolean canStripWhiteSpace() {
StylesheetRoot sroot = this.getStylesheetRoot();
return (null != sroot) ? sroot.canStripWhiteSpace() : false;
}
/**
* Combine the parent's namespaces with this namespace for fast processing, taking care to
* reference the parent's namespace if this namespace adds nothing new. (Recursive method, walking
* the elements depth-first, processing parents before children). Note that this method builds
* m_prefixTable with aliased namespaces, *not* the original namespaces.
*
* @throws TransformerException
*/
public void resolvePrefixTables() throws TransformerException {
// Always start with a fresh prefix table!
m_prefixTable = null;
// If we have declared declarations, then we look for
// a parent that has namespace decls, and add them
// to this element's decls. Otherwise we just point
// to the parent that has decls.
if (null != this.m_declaredPrefixes) {
StylesheetRoot stylesheet = this.getStylesheetRoot();
// Add this element's declared prefixes to the
// prefix table.
int n = m_declaredPrefixes.size();
for (int i = 0; i < n; i++) {
XMLNSDecl decl = (XMLNSDecl) m_declaredPrefixes.elementAt(i);
String prefix = decl.getPrefix();
String uri = decl.getURI();
if (null == uri) uri = "";
boolean shouldExclude = excludeResultNSDecl(prefix, uri);
// Create a new prefix table if one has not already been created.
if (null == m_prefixTable) m_prefixTable = new Vector();
NamespaceAlias nsAlias = stylesheet.getNamespaceAliasComposed(uri);
if (null != nsAlias) {
// Should I leave the non-aliased element in the table as
// an excluded element?
// The exclusion should apply to the non-aliased prefix, so
// we don't calculate it here. -sb
// Use stylesheet prefix, as per xsl WG
decl =
new XMLNSDecl(
nsAlias.getStylesheetPrefix(), nsAlias.getResultNamespace(), shouldExclude);
} else decl = new XMLNSDecl(prefix, uri, shouldExclude);
m_prefixTable.addElement(decl);
}
}
ElemTemplateElement parent = this.getParentNodeElem();
if (null != parent) {
// The prefix table of the parent should never be null!
Vector prefixes = parent.m_prefixTable;
if (null == m_prefixTable && !needToCheckExclude()) {
// Nothing to combine, so just use parent's table!
this.m_prefixTable = parent.m_prefixTable;
} else {
// Add the prefixes from the parent's prefix table.
int n = prefixes.size();
for (int i = 0; i < n; i++) {
XMLNSDecl decl = (XMLNSDecl) prefixes.elementAt(i);
boolean shouldExclude = excludeResultNSDecl(decl.getPrefix(), decl.getURI());
if (shouldExclude != decl.getIsExcluded()) {
decl = new XMLNSDecl(decl.getPrefix(), decl.getURI(), shouldExclude);
}
// m_prefixTable.addElement(decl);
addOrReplaceDecls(decl);
}
}
} else if (null == m_prefixTable) {
// Must be stylesheet element without any result prefixes!
m_prefixTable = new Vector();
}
}
/** This after the template's children have been composed. */
public void endCompose(StylesheetRoot sroot) throws TransformerException {
StylesheetRoot.ComposeState cstate = sroot.getComposeState();
cstate.popStackMark();
}
/**
* This function is called to recompose() all of the namespace alias properties elements.
*
* @param root The owning root stylesheet
*/
public void recompose(StylesheetRoot root) {
root.recomposeNamespaceAliases(this);
}
/**
* Get information about whether or not an element should strip whitespace.
*
* @see <a href="http://www.w3.org/TR/xslt#strip">strip in XSLT Specification</a>
* @param support The XPath runtime state.
* @param targetElement Element to check
* @return true if the whitespace should be stripped.
* @throws TransformerException
*/
public boolean shouldStripWhiteSpace(
org.apache.xpath.XPathContext support, org.w3c.dom.Element targetElement)
throws TransformerException {
StylesheetRoot sroot = this.getStylesheetRoot();
return (null != sroot) ? sroot.shouldStripWhiteSpace(support, targetElement) : false;
}
