Examples with IntStack org.apache.xml.utils.IntStack used on opensource projects

Example 1 with IntStack

use of org.apache.xml.utils.IntStack in project robovm by robovm.

the class ElemApplyTemplates method transformSelectedNodes.

/**
   * 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);
    VariableStack vars = xctxt.getVarStack();
    int nParams = getParamElemCount();
    int thisframe = vars.getStackFrame();
    boolean pushContextNodeListFlag = false;
    try {
        xctxt.pushCurrentNode(DTM.NULL);
        xctxt.pushCurrentExpressionNode(DTM.NULL);
        xctxt.pushSAXLocatorNull();
        transformer.pushElemTemplateElement(null);
        final Vector keys = (m_sortElems == null) ? null : transformer.processSortKeys(this, sourceNode);
        // Sort if we need to.
        if (null != keys)
            sourceNodes = sortNodes(xctxt, keys, sourceNodes);
        final SerializationHandler rth = transformer.getSerializationHandler();
        //      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.pushContextNodeList(sourceNodes);
        pushContextNodeListFlag = true;
        IntStack currentNodes = xctxt.getCurrentNodeStack();
        IntStack currentExpressionNodes = xctxt.getCurrentExpressionNodeStack();
        // 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);
            // 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);
            // See comment with unlink, below
            int currentFrameBottom;
            if (template.m_frameSize > 0) {
                xctxt.pushRTFContext();
                // See comment with unlink, below
                currentFrameBottom = vars.getStackFrame();
                vars.link(template.m_frameSize);
                // 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;
            // 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 (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 {
        // Unlink to the original stack frame
        if (nParams > 0)
            vars.unlink(thisframe);
        xctxt.popSAXLocator();
        if (pushContextNodeListFlag)
            xctxt.popContextNodeList();
        transformer.popElemTemplateElement();
        xctxt.popCurrentExpressionNode();
        xctxt.popCurrentNode();
        sourceNodes.detach();
    }
}

Example 2 with IntStack

use of org.apache.xml.utils.IntStack in project j2objc by google.

the class ElemForEach method transformSelectedNodes.

/**
 * 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);
        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);
            // each of them.
            for (ElemTemplateElement t = this.m_firstChild; t != null; t = t.m_nextSibling) {
                xctxt.setSAXLocator(t);
                transformer.setCurrentElement(t);
                t.execute(transformer);
            }
            // 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 {
        xctxt.popSAXLocator();
        xctxt.popContextNodeList();
        transformer.popElemTemplateElement();
        xctxt.popCurrentExpressionNode();
        xctxt.popCurrentNode();
        sourceNodes.detach();
    }
}

Example 3 with IntStack

use of org.apache.xml.utils.IntStack in project robovm by robovm.

the class ElemForEach method transformSelectedNodes.

/**
   * 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);
        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);
            // each of them.
            for (ElemTemplateElement t = this.m_firstChild; t != null; t = t.m_nextSibling) {
                xctxt.setSAXLocator(t);
                transformer.setCurrentElement(t);
                t.execute(transformer);
            }
            // 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 {
        xctxt.popSAXLocator();
        xctxt.popContextNodeList();
        transformer.popElemTemplateElement();
        xctxt.popCurrentExpressionNode();
        xctxt.popCurrentNode();
        sourceNodes.detach();
    }
}

Example 4 with IntStack

use of org.apache.xml.utils.IntStack in project robovm by robovm.

the class SAX2RTFDTM method startDocument.

/**
   * Receive notification of the beginning of a new RTF document.
   *
   * %REVIEW% Y'know, this isn't all that much of a deoptimization. We
   * might want to consider folding the start/endDocument changes back
   * into the main SAX2DTM so we don't have to expose so many fields
   * (even as Protected) and carry the additional code.
   *
   * @throws SAXException Any SAX exception, possibly
   *            wrapping another exception.
   * @see org.xml.sax.ContentHandler#startDocument
   * */
public void startDocument() throws SAXException {
    // Re-initialize the tree append process
    m_endDocumentOccured = false;
    m_prefixMappings = new java.util.Vector();
    m_contextIndexes = new IntStack();
    m_parents = new IntStack();
    m_currentDocumentNode = m_size;
    super.startDocument();
}

Example 5 with IntStack

use of org.apache.xml.utils.IntStack in project j2objc by google.

the class ElemApplyTemplates method transformSelectedNodes.

/**
 * 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);
    VariableStack vars = xctxt.getVarStack();
    int nParams = getParamElemCount();
    int thisframe = vars.getStackFrame();
    boolean pushContextNodeListFlag = false;
    try {
        xctxt.pushCurrentNode(DTM.NULL);
        xctxt.pushCurrentExpressionNode(DTM.NULL);
        xctxt.pushSAXLocatorNull();
        transformer.pushElemTemplateElement(null);
        final Vector keys = (m_sortElems == null) ? null : transformer.processSortKeys(this, sourceNode);
        // Sort if we need to.
        if (null != keys)
            sourceNodes = sortNodes(xctxt, keys, sourceNodes);
        final SerializationHandler rth = transformer.getSerializationHandler();
        // 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.pushContextNodeList(sourceNodes);
        pushContextNodeListFlag = true;
        IntStack currentNodes = xctxt.getCurrentNodeStack();
        IntStack currentExpressionNodes = xctxt.getCurrentExpressionNodeStack();
        // 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);
            // 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);
            // See comment with unlink, below
            int currentFrameBottom;
            if (template.m_frameSize > 0) {
                xctxt.pushRTFContext();
                // See comment with unlink, below
                currentFrameBottom = vars.getStackFrame();
                vars.link(template.m_frameSize);
                // 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;
            // 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 (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 {
        // Unlink to the original stack frame
        if (nParams > 0)
            vars.unlink(thisframe);
        xctxt.popSAXLocator();
        if (pushContextNodeListFlag)
            xctxt.popContextNodeList();
        transformer.popElemTemplateElement();
        xctxt.popCurrentExpressionNode();
        xctxt.popCurrentNode();
        sourceNodes.detach();
    }
}