--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/java.xml/share/classes/com/sun/org/apache/xalan/internal/xsltc/runtime/BasisLibrary.java Sun Aug 17 15:51:56 2014 +0100
@@ -0,0 +1,1673 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Copyright 2001-2004 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * $Id: BasisLibrary.java,v 1.6 2006/06/20 21:51:58 spericas Exp $
+ */
+
+package com.sun.org.apache.xalan.internal.xsltc.runtime;
+
+import com.sun.org.apache.xalan.internal.utils.SecuritySupport;
+import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
+import java.text.FieldPosition;
+import java.text.MessageFormat;
+import java.text.NumberFormat;
+import java.util.Locale;
+import java.util.ResourceBundle;
+import javax.xml.transform.dom.DOMSource;
+
+import com.sun.org.apache.xalan.internal.xsltc.DOM;
+import com.sun.org.apache.xalan.internal.xsltc.Translet;
+import com.sun.org.apache.xalan.internal.xsltc.dom.AbsoluteIterator;
+import com.sun.org.apache.xml.internal.dtm.Axis;
+import com.sun.org.apache.xalan.internal.xsltc.dom.DOMAdapter;
+import com.sun.org.apache.xalan.internal.xsltc.dom.MultiDOM;
+import com.sun.org.apache.xalan.internal.xsltc.dom.SingletonIterator;
+import com.sun.org.apache.xalan.internal.xsltc.dom.StepIterator;
+import com.sun.org.apache.xalan.internal.xsltc.dom.ArrayNodeListIterator;
+import com.sun.org.apache.xml.internal.dtm.DTM;
+import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator;
+import com.sun.org.apache.xml.internal.dtm.DTMManager;
+import com.sun.org.apache.xml.internal.dtm.ref.DTMDefaultBase;
+import com.sun.org.apache.xml.internal.dtm.ref.DTMNodeProxy;
+
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Attr;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+import com.sun.org.apache.xml.internal.serializer.NamespaceMappings;
+import com.sun.org.apache.xml.internal.serializer.SerializationHandler;
+import com.sun.org.apache.xml.internal.utils.XML11Char;
+
+/**
+ * Standard XSLT functions. All standard functions expect the current node
+ * and the DOM as their last two arguments.
+ */
+public final class BasisLibrary {
+
+ private final static String EMPTYSTRING = "";
+
+ /**
+ * Re-use a single instance of StringBuffer (per thread) in the basis library.
+ * StringBuilder is better, however, DecimalFormat only accept StringBuffer
+ */
+ private static final ThreadLocal<StringBuilder> threadLocalStringBuilder =
+ new ThreadLocal<StringBuilder> () {
+ @Override protected StringBuilder initialValue() {
+ return new StringBuilder();
+ }
+ };
+
+ /**
+ * ThreadLocal for StringBuffer used
+ */
+ private static final ThreadLocal<StringBuffer> threadLocalStringBuffer =
+ new ThreadLocal<StringBuffer> () {
+ @Override protected StringBuffer initialValue() {
+ return new StringBuffer();
+ }
+ };
+
+ /**
+ * Standard function count(node-set)
+ */
+ public static int countF(DTMAxisIterator iterator) {
+ return(iterator.getLast());
+ }
+
+ /**
+ * Standard function position()
+ * @deprecated This method exists only for backwards compatibility with old
+ * translets. New code should not reference it.
+ */
+ public static int positionF(DTMAxisIterator iterator) {
+ return iterator.isReverse()
+ ? iterator.getLast() - iterator.getPosition() + 1
+ : iterator.getPosition();
+ }
+
+ /**
+ * XSLT Standard function sum(node-set).
+ * stringToDouble is inlined
+ */
+ public static double sumF(DTMAxisIterator iterator, DOM dom) {
+ try {
+ double result = 0.0;
+ int node;
+ while ((node = iterator.next()) != DTMAxisIterator.END) {
+ result += Double.parseDouble(dom.getStringValueX(node));
+ }
+ return result;
+ }
+ catch (NumberFormatException e) {
+ return Double.NaN;
+ }
+ }
+
+ /**
+ * XSLT Standard function string()
+ */
+ public static String stringF(int node, DOM dom) {
+ return dom.getStringValueX(node);
+ }
+
+ /**
+ * XSLT Standard function string(value)
+ */
+ public static String stringF(Object obj, DOM dom) {
+ if (obj instanceof DTMAxisIterator) {
+ return dom.getStringValueX(((DTMAxisIterator)obj).reset().next());
+ }
+ else if (obj instanceof Node) {
+ return dom.getStringValueX(((Node)obj).node);
+ }
+ else if (obj instanceof DOM) {
+ return ((DOM)obj).getStringValue();
+ }
+ else {
+ return obj.toString();
+ }
+ }
+
+ /**
+ * XSLT Standard function string(value)
+ */
+ public static String stringF(Object obj, int node, DOM dom) {
+ if (obj instanceof DTMAxisIterator) {
+ return dom.getStringValueX(((DTMAxisIterator)obj).reset().next());
+ }
+ else if (obj instanceof Node) {
+ return dom.getStringValueX(((Node)obj).node);
+ }
+ else if (obj instanceof DOM) {
+ // When the first argument is a DOM we want the whole
+ // DOM and not just a single node - that would not make sense.
+ //return ((DOM)obj).getStringValueX(node);
+ return ((DOM)obj).getStringValue();
+ }
+ else if (obj instanceof Double) {
+ Double d = (Double)obj;
+ final String result = d.toString();
+ final int length = result.length();
+ if ((result.charAt(length-2)=='.') &&
+ (result.charAt(length-1) == '0'))
+ return result.substring(0, length-2);
+ else
+ return result;
+ }
+ else {
+ return obj != null ? obj.toString() : "";
+ }
+ }
+
+ /**
+ * XSLT Standard function number()
+ */
+ public static double numberF(int node, DOM dom) {
+ return stringToReal(dom.getStringValueX(node));
+ }
+
+ /**
+ * XSLT Standard function number(value)
+ */
+ public static double numberF(Object obj, DOM dom) {
+ if (obj instanceof Double) {
+ return ((Double) obj).doubleValue();
+ }
+ else if (obj instanceof Integer) {
+ return ((Integer) obj).doubleValue();
+ }
+ else if (obj instanceof Boolean) {
+ return ((Boolean) obj).booleanValue() ? 1.0 : 0.0;
+ }
+ else if (obj instanceof String) {
+ return stringToReal((String) obj);
+ }
+ else if (obj instanceof DTMAxisIterator) {
+ DTMAxisIterator iter = (DTMAxisIterator) obj;
+ return stringToReal(dom.getStringValueX(iter.reset().next()));
+ }
+ else if (obj instanceof Node) {
+ return stringToReal(dom.getStringValueX(((Node) obj).node));
+ }
+ else if (obj instanceof DOM) {
+ return stringToReal(((DOM) obj).getStringValue());
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(INVALID_ARGUMENT_ERR, className, "number()");
+ return 0.0;
+ }
+ }
+
+ /**
+ * XSLT Standard function round()
+ */
+ public static double roundF(double d) {
+ return (d<-0.5 || d>0.0)?Math.floor(d+0.5):((d==0.0)?
+ d:(Double.isNaN(d)?Double.NaN:-0.0));
+ }
+
+ /**
+ * XSLT Standard function boolean()
+ */
+ public static boolean booleanF(Object obj) {
+ if (obj instanceof Double) {
+ final double temp = ((Double) obj).doubleValue();
+ return temp != 0.0 && !Double.isNaN(temp);
+ }
+ else if (obj instanceof Integer) {
+ return ((Integer) obj).doubleValue() != 0;
+ }
+ else if (obj instanceof Boolean) {
+ return ((Boolean) obj).booleanValue();
+ }
+ else if (obj instanceof String) {
+ return !((String) obj).equals(EMPTYSTRING);
+ }
+ else if (obj instanceof DTMAxisIterator) {
+ DTMAxisIterator iter = (DTMAxisIterator) obj;
+ return iter.reset().next() != DTMAxisIterator.END;
+ }
+ else if (obj instanceof Node) {
+ return true;
+ }
+ else if (obj instanceof DOM) {
+ String temp = ((DOM) obj).getStringValue();
+ return !temp.equals(EMPTYSTRING);
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(INVALID_ARGUMENT_ERR, className, "boolean()");
+ }
+ return false;
+ }
+
+ /**
+ * XSLT Standard function substring(). Must take a double because of
+ * conversions resulting into NaNs and rounding.
+ */
+ public static String substringF(String value, double start) {
+ if (Double.isNaN(start))
+ return(EMPTYSTRING);
+
+ final int strlen = value.length();
+ int istart = (int)Math.round(start) - 1;
+
+ if (istart > strlen)
+ return(EMPTYSTRING);
+ if (istart < 1)
+ istart = 0;
+ try {
+ return value.substring(istart);
+ } catch (IndexOutOfBoundsException e) {
+ runTimeError(RUN_TIME_INTERNAL_ERR, "substring()");
+ return null;
+ }
+ }
+
+ /**
+ * XSLT Standard function substring(). Must take a double because of
+ * conversions resulting into NaNs and rounding.
+ */
+ public static String substringF(String value, double start, double length) {
+ if (Double.isInfinite(start) ||
+ Double.isNaN(start) ||
+ Double.isNaN(length))
+ return(EMPTYSTRING);
+
+ int istart = (int)Math.round(start) - 1;
+ final int isum;
+ if (Double.isInfinite(length))
+ isum = Integer.MAX_VALUE;
+ else
+ isum = istart + (int)Math.round(length);
+
+ final int strlen = value.length();
+ if (isum < 0 || istart > strlen)
+ return(EMPTYSTRING);
+
+ if (istart < 0)
+ istart = 0;
+
+ try {
+ if (isum > strlen)
+ return value.substring(istart);
+ else
+ return value.substring(istart, isum);
+ } catch (IndexOutOfBoundsException e) {
+ runTimeError(RUN_TIME_INTERNAL_ERR, "substring()");
+ return null;
+ }
+ }
+
+ /**
+ * XSLT Standard function substring-after().
+ */
+ public static String substring_afterF(String value, String substring) {
+ final int index = value.indexOf(substring);
+ if (index >= 0)
+ return value.substring(index + substring.length());
+ else
+ return EMPTYSTRING;
+ }
+
+ /**
+ * XSLT Standard function substring-before().
+ */
+ public static String substring_beforeF(String value, String substring) {
+ final int index = value.indexOf(substring);
+ if (index >= 0)
+ return value.substring(0, index);
+ else
+ return EMPTYSTRING;
+ }
+
+ /**
+ * XSLT Standard function translate().
+ */
+ public static String translateF(String value, String from, String to) {
+ final int tol = to.length();
+ final int froml = from.length();
+ final int valuel = value.length();
+
+ final StringBuilder result = threadLocalStringBuilder.get();
+ result.setLength(0);
+ for (int j, i = 0; i < valuel; i++) {
+ final char ch = value.charAt(i);
+ for (j = 0; j < froml; j++) {
+ if (ch == from.charAt(j)) {
+ if (j < tol)
+ result.append(to.charAt(j));
+ break;
+ }
+ }
+ if (j == froml)
+ result.append(ch);
+ }
+ return result.toString();
+ }
+
+ /**
+ * XSLT Standard function normalize-space().
+ */
+ public static String normalize_spaceF(int node, DOM dom) {
+ return normalize_spaceF(dom.getStringValueX(node));
+ }
+
+ /**
+ * XSLT Standard function normalize-space(string).
+ */
+ public static String normalize_spaceF(String value) {
+ int i = 0, n = value.length();
+ StringBuilder result = threadLocalStringBuilder.get();
+ result.setLength(0);
+
+ while (i < n && isWhiteSpace(value.charAt(i)))
+ i++;
+
+ while (true) {
+ while (i < n && !isWhiteSpace(value.charAt(i))) {
+ result.append(value.charAt(i++));
+ }
+ if (i == n)
+ break;
+ while (i < n && isWhiteSpace(value.charAt(i))) {
+ i++;
+ }
+ if (i < n)
+ result.append(' ');
+ }
+ return result.toString();
+ }
+
+ /**
+ * XSLT Standard function generate-id().
+ */
+ public static String generate_idF(int node) {
+ if (node > 0)
+ // Only generate ID if node exists
+ return "N" + node;
+ else
+ // Otherwise return an empty string
+ return EMPTYSTRING;
+ }
+
+ /**
+ * utility function for calls to local-name().
+ */
+ public static String getLocalName(String value) {
+ int idx = value.lastIndexOf(':');
+ if (idx >= 0) value = value.substring(idx + 1);
+ idx = value.lastIndexOf('@');
+ if (idx >= 0) value = value.substring(idx + 1);
+ return(value);
+ }
+
+ /**
+ * External functions that cannot be resolved are replaced with a call
+ * to this method. This method will generate a runtime errors. A good
+ * stylesheet checks whether the function exists using conditional
+ * constructs, and never really tries to call it if it doesn't exist.
+ * But simple stylesheets may result in a call to this method.
+ * The compiler should generate a warning if it encounters a call to
+ * an unresolved external function.
+ */
+ public static void unresolved_externalF(String name) {
+ runTimeError(EXTERNAL_FUNC_ERR, name);
+ }
+
+ /**
+ * Utility function to throw a runtime error on the use of an extension
+ * function when the secure processing feature is set to true.
+ */
+ public static void unallowed_extension_functionF(String name) {
+ runTimeError(UNALLOWED_EXTENSION_FUNCTION_ERR, name);
+ }
+
+ /**
+ * Utility function to throw a runtime error on the use of an extension
+ * element when the secure processing feature is set to true.
+ */
+ public static void unallowed_extension_elementF(String name) {
+ runTimeError(UNALLOWED_EXTENSION_ELEMENT_ERR, name);
+ }
+
+ /**
+ * Utility function to throw a runtime error for an unsupported element.
+ *
+ * This is only used in forward-compatibility mode, when the control flow
+ * cannot be determined. In 1.0 mode, the error message is emitted at
+ * compile time.
+ */
+ public static void unsupported_ElementF(String qname, boolean isExtension) {
+ if (isExtension)
+ runTimeError(UNSUPPORTED_EXT_ERR, qname);
+ else
+ runTimeError(UNSUPPORTED_XSL_ERR, qname);
+ }
+
+ /**
+ * XSLT Standard function namespace-uri(node-set).
+ */
+ public static String namespace_uriF(DTMAxisIterator iter, DOM dom) {
+ return namespace_uriF(iter.next(), dom);
+ }
+
+ /**
+ * XSLT Standard function system-property(name)
+ */
+ public static String system_propertyF(String name) {
+ if (name.equals("xsl:version"))
+ return("1.0");
+ if (name.equals("xsl:vendor"))
+ return("Apache Software Foundation (Xalan XSLTC)");
+ if (name.equals("xsl:vendor-url"))
+ return("http://xml.apache.org/xalan-j");
+
+ runTimeError(INVALID_ARGUMENT_ERR, name, "system-property()");
+ return(EMPTYSTRING);
+ }
+
+ /**
+ * XSLT Standard function namespace-uri().
+ */
+ public static String namespace_uriF(int node, DOM dom) {
+ final String value = dom.getNodeName(node);
+ final int colon = value.lastIndexOf(':');
+ if (colon >= 0)
+ return value.substring(0, colon);
+ else
+ return EMPTYSTRING;
+ }
+
+ /**
+ * Implements the object-type() extension function.
+ *
+ * @see <a href="http://www.exslt.org/">EXSLT</a>
+ */
+ public static String objectTypeF(Object obj)
+ {
+ if (obj instanceof String)
+ return "string";
+ else if (obj instanceof Boolean)
+ return "boolean";
+ else if (obj instanceof Number)
+ return "number";
+ else if (obj instanceof DOM)
+ return "RTF";
+ else if (obj instanceof DTMAxisIterator)
+ return "node-set";
+ else
+ return "unknown";
+ }
+
+ /**
+ * Implements the nodeset() extension function.
+ */
+ public static DTMAxisIterator nodesetF(Object obj) {
+ if (obj instanceof DOM) {
+ //final DOMAdapter adapter = (DOMAdapter) obj;
+ final DOM dom = (DOM)obj;
+ return new SingletonIterator(dom.getDocument(), true);
+ }
+ else if (obj instanceof DTMAxisIterator) {
+ return (DTMAxisIterator) obj;
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(DATA_CONVERSION_ERR, "node-set", className);
+ return null;
+ }
+ }
+
+ //-- Begin utility functions
+
+ private static boolean isWhiteSpace(char ch) {
+ return ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r';
+ }
+
+ private static boolean compareStrings(String lstring, String rstring,
+ int op, DOM dom) {
+ switch (op) {
+ case Operators.EQ:
+ return lstring.equals(rstring);
+
+ case Operators.NE:
+ return !lstring.equals(rstring);
+
+ case Operators.GT:
+ return numberF(lstring, dom) > numberF(rstring, dom);
+
+ case Operators.LT:
+ return numberF(lstring, dom) < numberF(rstring, dom);
+
+ case Operators.GE:
+ return numberF(lstring, dom) >= numberF(rstring, dom);
+
+ case Operators.LE:
+ return numberF(lstring, dom) <= numberF(rstring, dom);
+
+ default:
+ runTimeError(RUN_TIME_INTERNAL_ERR, "compare()");
+ return false;
+ }
+ }
+
+ /**
+ * Utility function: node-set/node-set compare.
+ */
+ public static boolean compare(DTMAxisIterator left, DTMAxisIterator right,
+ int op, DOM dom) {
+ int lnode;
+ left.reset();
+
+ while ((lnode = left.next()) != DTMAxisIterator.END) {
+ final String lvalue = dom.getStringValueX(lnode);
+
+ int rnode;
+ right.reset();
+ while ((rnode = right.next()) != DTMAxisIterator.END) {
+ // String value must be the same if both nodes are the same
+ if (lnode == rnode) {
+ if (op == Operators.EQ) {
+ return true;
+ } else if (op == Operators.NE) {
+ continue;
+ }
+ }
+ if (compareStrings(lvalue, dom.getStringValueX(rnode), op,
+ dom)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ public static boolean compare(int node, DTMAxisIterator iterator,
+ int op, DOM dom) {
+ //iterator.reset();
+
+ int rnode;
+ String value;
+
+ switch(op) {
+ case Operators.EQ:
+ rnode = iterator.next();
+ if (rnode != DTMAxisIterator.END) {
+ value = dom.getStringValueX(node);
+ do {
+ if (node == rnode
+ || value.equals(dom.getStringValueX(rnode))) {
+ return true;
+ }
+ } while ((rnode = iterator.next()) != DTMAxisIterator.END);
+ }
+ break;
+ case Operators.NE:
+ rnode = iterator.next();
+ if (rnode != DTMAxisIterator.END) {
+ value = dom.getStringValueX(node);
+ do {
+ if (node != rnode
+ && !value.equals(dom.getStringValueX(rnode))) {
+ return true;
+ }
+ } while ((rnode = iterator.next()) != DTMAxisIterator.END);
+ }
+ break;
+ case Operators.LT:
+ // Assume we're comparing document order here
+ while ((rnode = iterator.next()) != DTMAxisIterator.END) {
+ if (rnode > node) return true;
+ }
+ break;
+ case Operators.GT:
+ // Assume we're comparing document order here
+ while ((rnode = iterator.next()) != DTMAxisIterator.END) {
+ if (rnode < node) return true;
+ }
+ break;
+ }
+ return(false);
+ }
+
+ /**
+ * Utility function: node-set/number compare.
+ */
+ public static boolean compare(DTMAxisIterator left, final double rnumber,
+ final int op, DOM dom) {
+ int node;
+ //left.reset();
+
+ switch (op) {
+ case Operators.EQ:
+ while ((node = left.next()) != DTMAxisIterator.END) {
+ if (numberF(dom.getStringValueX(node), dom) == rnumber)
+ return true;
+ }
+ break;
+
+ case Operators.NE:
+ while ((node = left.next()) != DTMAxisIterator.END) {
+ if (numberF(dom.getStringValueX(node), dom) != rnumber)
+ return true;
+ }
+ break;
+
+ case Operators.GT:
+ while ((node = left.next()) != DTMAxisIterator.END) {
+ if (numberF(dom.getStringValueX(node), dom) > rnumber)
+ return true;
+ }
+ break;
+
+ case Operators.LT:
+ while ((node = left.next()) != DTMAxisIterator.END) {
+ if (numberF(dom.getStringValueX(node), dom) < rnumber)
+ return true;
+ }
+ break;
+
+ case Operators.GE:
+ while ((node = left.next()) != DTMAxisIterator.END) {
+ if (numberF(dom.getStringValueX(node), dom) >= rnumber)
+ return true;
+ }
+ break;
+
+ case Operators.LE:
+ while ((node = left.next()) != DTMAxisIterator.END) {
+ if (numberF(dom.getStringValueX(node), dom) <= rnumber)
+ return true;
+ }
+ break;
+
+ default:
+ runTimeError(RUN_TIME_INTERNAL_ERR, "compare()");
+ }
+
+ return false;
+ }
+
+ /**
+ * Utility function: node-set/string comparison.
+ */
+ public static boolean compare(DTMAxisIterator left, final String rstring,
+ int op, DOM dom) {
+ int node;
+ //left.reset();
+ while ((node = left.next()) != DTMAxisIterator.END) {
+ if (compareStrings(dom.getStringValueX(node), rstring, op, dom)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+
+ public static boolean compare(Object left, Object right,
+ int op, DOM dom)
+ {
+ boolean result = false;
+ boolean hasSimpleArgs = hasSimpleType(left) && hasSimpleType(right);
+
+ if (op != Operators.EQ && op != Operators.NE) {
+ // If node-boolean comparison -> convert node to boolean
+ if (left instanceof Node || right instanceof Node) {
+ if (left instanceof Boolean) {
+ right = new Boolean(booleanF(right));
+ hasSimpleArgs = true;
+ }
+ if (right instanceof Boolean) {
+ left = new Boolean(booleanF(left));
+ hasSimpleArgs = true;
+ }
+ }
+
+ if (hasSimpleArgs) {
+ switch (op) {
+ case Operators.GT:
+ return numberF(left, dom) > numberF(right, dom);
+
+ case Operators.LT:
+ return numberF(left, dom) < numberF(right, dom);
+
+ case Operators.GE:
+ return numberF(left, dom) >= numberF(right, dom);
+
+ case Operators.LE:
+ return numberF(left, dom) <= numberF(right, dom);
+
+ default:
+ runTimeError(RUN_TIME_INTERNAL_ERR, "compare()");
+ }
+ }
+ // falls through
+ }
+
+ if (hasSimpleArgs) {
+ if (left instanceof Boolean || right instanceof Boolean) {
+ result = booleanF(left) == booleanF(right);
+ }
+ else if (left instanceof Double || right instanceof Double ||
+ left instanceof Integer || right instanceof Integer) {
+ result = numberF(left, dom) == numberF(right, dom);
+ }
+ else { // compare them as strings
+ result = stringF(left, dom).equals(stringF(right, dom));
+ }
+
+ if (op == Operators.NE) {
+ result = !result;
+ }
+ }
+ else {
+ if (left instanceof Node) {
+ left = new SingletonIterator(((Node)left).node);
+ }
+ if (right instanceof Node) {
+ right = new SingletonIterator(((Node)right).node);
+ }
+
+ if (hasSimpleType(left) ||
+ left instanceof DOM && right instanceof DTMAxisIterator) {
+ // swap operands and operator
+ final Object temp = right; right = left; left = temp;
+ op = Operators.swapOp(op);
+ }
+
+ if (left instanceof DOM) {
+ if (right instanceof Boolean) {
+ result = ((Boolean)right).booleanValue();
+ return result == (op == Operators.EQ);
+ }
+
+ final String sleft = ((DOM)left).getStringValue();
+
+ if (right instanceof Number) {
+ result = ((Number)right).doubleValue() ==
+ stringToReal(sleft);
+ }
+ else if (right instanceof String) {
+ result = sleft.equals((String)right);
+ }
+ else if (right instanceof DOM) {
+ result = sleft.equals(((DOM)right).getStringValue());
+ }
+
+ if (op == Operators.NE) {
+ result = !result;
+ }
+ return result;
+ }
+
+ // Next, node-set/t for t in {real, string, node-set, result-tree}
+
+ DTMAxisIterator iter = ((DTMAxisIterator)left).reset();
+
+ if (right instanceof DTMAxisIterator) {
+ result = compare(iter, (DTMAxisIterator)right, op, dom);
+ }
+ else if (right instanceof String) {
+ result = compare(iter, (String)right, op, dom);
+ }
+ else if (right instanceof Number) {
+ final double temp = ((Number)right).doubleValue();
+ result = compare(iter, temp, op, dom);
+ }
+ else if (right instanceof Boolean) {
+ boolean temp = ((Boolean)right).booleanValue();
+ result = (iter.reset().next() != DTMAxisIterator.END) == temp;
+ }
+ else if (right instanceof DOM) {
+ result = compare(iter, ((DOM)right).getStringValue(),
+ op, dom);
+ }
+ else if (right == null) {
+ return(false);
+ }
+ else {
+ final String className = right.getClass().getName();
+ runTimeError(INVALID_ARGUMENT_ERR, className, "compare()");
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Utility function: used to test context node's language
+ */
+ public static boolean testLanguage(String testLang, DOM dom, int node) {
+ // language for context node (if any)
+ String nodeLang = dom.getLanguage(node);
+ if (nodeLang == null)
+ return(false);
+ else
+ nodeLang = nodeLang.toLowerCase();
+
+ // compare context node's language agains test language
+ testLang = testLang.toLowerCase();
+ if (testLang.length() == 2) {
+ return(nodeLang.startsWith(testLang));
+ }
+ else {
+ return(nodeLang.equals(testLang));
+ }
+ }
+
+ private static boolean hasSimpleType(Object obj) {
+ return obj instanceof Boolean || obj instanceof Double ||
+ obj instanceof Integer || obj instanceof String ||
+ obj instanceof Node || obj instanceof DOM;
+ }
+
+ /**
+ * Utility function: used in StringType to convert a string to a real.
+ */
+ public static double stringToReal(String s) {
+ try {
+ return Double.valueOf(s).doubleValue();
+ }
+ catch (NumberFormatException e) {
+ return Double.NaN;
+ }
+ }
+
+ /**
+ * Utility function: used in StringType to convert a string to an int.
+ */
+ public static int stringToInt(String s) {
+ try {
+ return Integer.parseInt(s);
+ }
+ catch (NumberFormatException e) {
+ return(-1); // ???
+ }
+ }
+
+ private static final int DOUBLE_FRACTION_DIGITS = 340;
+ private static final double lowerBounds = 0.001;
+ private static final double upperBounds = 10000000;
+ private static DecimalFormat defaultFormatter, xpathFormatter;
+ private static String defaultPattern = "";
+
+ static {
+ NumberFormat f = NumberFormat.getInstance(Locale.getDefault());
+ defaultFormatter = (f instanceof DecimalFormat) ?
+ (DecimalFormat) f : new DecimalFormat();
+ // Set max fraction digits so that truncation does not occur. Setting
+ // the max to Integer.MAX_VALUE may cause problems with some JDK's.
+ defaultFormatter.setMaximumFractionDigits(DOUBLE_FRACTION_DIGITS);
+ defaultFormatter.setMinimumFractionDigits(0);
+ defaultFormatter.setMinimumIntegerDigits(1);
+ defaultFormatter.setGroupingUsed(false);
+
+ // This formatter is used to convert numbers according to the XPath
+ // 1.0 syntax which ignores locales (http://www.w3.org/TR/xpath#NT-Number)
+ xpathFormatter = new DecimalFormat("",
+ new DecimalFormatSymbols(Locale.US));
+ xpathFormatter.setMaximumFractionDigits(DOUBLE_FRACTION_DIGITS);
+ xpathFormatter.setMinimumFractionDigits(0);
+ xpathFormatter.setMinimumIntegerDigits(1);
+ xpathFormatter.setGroupingUsed(false);
+ }
+
+ /**
+ * Utility function: used in RealType to convert a real to a string.
+ * Removes the decimal if null. Uses a specialized formatter object
+ * for very large and very small numbers that ignores locales, thus
+ * using always using "." as a decimal separator.
+ */
+ public static String realToString(double d) {
+ final double m = Math.abs(d);
+ if ((m >= lowerBounds) && (m < upperBounds)) {
+ final String result = Double.toString(d);
+ final int length = result.length();
+ // Remove leading zeros.
+ if ((result.charAt(length-2) == '.') &&
+ (result.charAt(length-1) == '0'))
+ return result.substring(0, length-2);
+ else
+ return result;
+ }
+ else {
+ if (Double.isNaN(d) || Double.isInfinite(d))
+ return(Double.toString(d));
+
+ //Convert -0.0 to +0.0 other values remains the same
+ d = d + 0.0;
+
+ // Use the XPath formatter to ignore locales
+ StringBuffer result = threadLocalStringBuffer.get();
+ result.setLength(0);
+ xpathFormatter.format(d, result, _fieldPosition);
+ return result.toString();
+ }
+ }
+
+ /**
+ * Utility function: used in RealType to convert a real to an integer
+ */
+ public static int realToInt(double d) {
+ return (int)d;
+ }
+
+ /**
+ * Utility function: used to format/adjust a double to a string. The
+ * DecimalFormat object comes from the 'formatSymbols' hashtable in
+ * AbstractTranslet.
+ */
+ private static FieldPosition _fieldPosition = new FieldPosition(0);
+
+ public static String formatNumber(double number, String pattern,
+ DecimalFormat formatter) {
+ // bugzilla fix 12813
+ if (formatter == null) {
+ formatter = defaultFormatter;
+ }
+ try {
+ StringBuffer result = threadLocalStringBuffer.get();
+ result.setLength(0);
+ if (pattern != defaultPattern) {
+ formatter.applyLocalizedPattern(pattern);
+ }
+ formatter.format(number, result, _fieldPosition);
+ return result.toString();
+ }
+ catch (IllegalArgumentException e) {
+ runTimeError(FORMAT_NUMBER_ERR, Double.toString(number), pattern);
+ return(EMPTYSTRING);
+ }
+ }
+
+ /**
+ * Utility function: used to convert references to node-sets. If the
+ * obj is an instanceof Node then create a singleton iterator.
+ */
+ public static DTMAxisIterator referenceToNodeSet(Object obj) {
+ // Convert var/param -> node
+ if (obj instanceof Node) {
+ return(new SingletonIterator(((Node)obj).node));
+ }
+ // Convert var/param -> node-set
+ else if (obj instanceof DTMAxisIterator) {
+ return(((DTMAxisIterator)obj).cloneIterator().reset());
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(DATA_CONVERSION_ERR, className, "node-set");
+ return null;
+ }
+ }
+
+ /**
+ * Utility function: used to convert reference to org.w3c.dom.NodeList.
+ */
+ public static NodeList referenceToNodeList(Object obj, DOM dom) {
+ if (obj instanceof Node || obj instanceof DTMAxisIterator) {
+ DTMAxisIterator iter = referenceToNodeSet(obj);
+ return dom.makeNodeList(iter);
+ }
+ else if (obj instanceof DOM) {
+ dom = (DOM)obj;
+ return dom.makeNodeList(DTMDefaultBase.ROOTNODE);
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(DATA_CONVERSION_ERR, className,
+ "org.w3c.dom.NodeList");
+ return null;
+ }
+ }
+
+ /**
+ * Utility function: used to convert reference to org.w3c.dom.Node.
+ */
+ public static org.w3c.dom.Node referenceToNode(Object obj, DOM dom) {
+ if (obj instanceof Node || obj instanceof DTMAxisIterator) {
+ DTMAxisIterator iter = referenceToNodeSet(obj);
+ return dom.makeNode(iter);
+ }
+ else if (obj instanceof DOM) {
+ dom = (DOM)obj;
+ DTMAxisIterator iter = dom.getChildren(DTMDefaultBase.ROOTNODE);
+ return dom.makeNode(iter);
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(DATA_CONVERSION_ERR, className, "org.w3c.dom.Node");
+ return null;
+ }
+ }
+
+ /**
+ * Utility function: used to convert reference to long.
+ */
+ public static long referenceToLong(Object obj) {
+ if (obj instanceof Number) {
+ return ((Number) obj).longValue(); // handles Integer and Double
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(DATA_CONVERSION_ERR, className, Long.TYPE);
+ return 0;
+ }
+ }
+
+ /**
+ * Utility function: used to convert reference to double.
+ */
+ public static double referenceToDouble(Object obj) {
+ if (obj instanceof Number) {
+ return ((Number) obj).doubleValue(); // handles Integer and Double
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(DATA_CONVERSION_ERR, className, Double.TYPE);
+ return 0;
+ }
+ }
+
+ /**
+ * Utility function: used to convert reference to boolean.
+ */
+ public static boolean referenceToBoolean(Object obj) {
+ if (obj instanceof Boolean) {
+ return ((Boolean) obj).booleanValue();
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(DATA_CONVERSION_ERR, className, Boolean.TYPE);
+ return false;
+ }
+ }
+
+ /**
+ * Utility function: used to convert reference to String.
+ */
+ public static String referenceToString(Object obj, DOM dom) {
+ if (obj instanceof String) {
+ return (String) obj;
+ }
+ else if (obj instanceof DTMAxisIterator) {
+ return dom.getStringValueX(((DTMAxisIterator)obj).reset().next());
+ }
+ else if (obj instanceof Node) {
+ return dom.getStringValueX(((Node)obj).node);
+ }
+ else if (obj instanceof DOM) {
+ return ((DOM) obj).getStringValue();
+ }
+ else {
+ final String className = obj.getClass().getName();
+ runTimeError(DATA_CONVERSION_ERR, className, String.class);
+ return null;
+ }
+ }
+
+ /**
+ * Utility function used to convert a w3c Node into an internal DOM iterator.
+ */
+ public static DTMAxisIterator node2Iterator(org.w3c.dom.Node node,
+ Translet translet, DOM dom)
+ {
+ final org.w3c.dom.Node inNode = node;
+ // Create a dummy NodeList which only contains the given node to make
+ // use of the nodeList2Iterator() interface.
+ org.w3c.dom.NodeList nodelist = new org.w3c.dom.NodeList() {
+ public int getLength() {
+ return 1;
+ }
+
+ public org.w3c.dom.Node item(int index) {
+ if (index == 0)
+ return inNode;
+ else
+ return null;
+ }
+ };
+
+ return nodeList2Iterator(nodelist, translet, dom);
+ }
+
+ /**
+ * In a perfect world, this would be the implementation for
+ * nodeList2Iterator. In reality, though, this causes a
+ * ClassCastException in getDTMHandleFromNode because SAXImpl is
+ * not an instance of DOM2DTM. So we use the more lengthy
+ * implementation below until this issue has been addressed.
+ *
+ * @see org.apache.xml.dtm.ref.DTMManagerDefault#getDTMHandleFromNode
+ */
+ private static DTMAxisIterator nodeList2IteratorUsingHandleFromNode(
+ org.w3c.dom.NodeList nodeList,
+ Translet translet, DOM dom)
+ {
+ final int n = nodeList.getLength();
+ final int[] dtmHandles = new int[n];
+ DTMManager dtmManager = null;
+ if (dom instanceof MultiDOM)
+ dtmManager = ((MultiDOM) dom).getDTMManager();
+ for (int i = 0; i < n; ++i) {
+ org.w3c.dom.Node node = nodeList.item(i);
+ int handle;
+ if (dtmManager != null) {
+ handle = dtmManager.getDTMHandleFromNode(node);
+ }
+ else if (node instanceof DTMNodeProxy
+ && ((DTMNodeProxy) node).getDTM() == dom) {
+ handle = ((DTMNodeProxy) node).getDTMNodeNumber();
+ }
+ else {
+ runTimeError(RUN_TIME_INTERNAL_ERR, "need MultiDOM");
+ return null;
+ }
+ dtmHandles[i] = handle;
+ System.out.println("Node " + i + " has handle 0x" +
+ Integer.toString(handle, 16));
+ }
+ return new ArrayNodeListIterator(dtmHandles);
+ }
+
+ /**
+ * Utility function used to convert a w3c NodeList into a internal
+ * DOM iterator.
+ */
+ public static DTMAxisIterator nodeList2Iterator(
+ org.w3c.dom.NodeList nodeList,
+ Translet translet, DOM dom)
+ {
+ // First pass: build w3c DOM for all nodes not proxied from our DOM.
+ //
+ // Notice: this looses some (esp. parent) context for these nodes,
+ // so some way to wrap the original nodes inside a DTMAxisIterator
+ // might be preferable in the long run.
+ int n = 0; // allow for change in list length, just in case.
+ Document doc = null;
+ DTMManager dtmManager = null;
+ int[] proxyNodes = new int[nodeList.getLength()];
+ if (dom instanceof MultiDOM)
+ dtmManager = ((MultiDOM) dom).getDTMManager();
+ for (int i = 0; i < nodeList.getLength(); ++i) {
+ org.w3c.dom.Node node = nodeList.item(i);
+ if (node instanceof DTMNodeProxy) {
+ DTMNodeProxy proxy = (DTMNodeProxy)node;
+ DTM nodeDTM = proxy.getDTM();
+ int handle = proxy.getDTMNodeNumber();
+ boolean isOurDOM = (nodeDTM == dom);
+ if (!isOurDOM && dtmManager != null) {
+ try {
+ isOurDOM = (nodeDTM == dtmManager.getDTM(handle));
+ }
+ catch (ArrayIndexOutOfBoundsException e) {
+ // invalid node handle, so definitely not our doc
+ }
+ }
+ if (isOurDOM) {
+ proxyNodes[i] = handle;
+ ++n;
+ continue;
+ }
+ }
+ proxyNodes[i] = DTM.NULL;
+ int nodeType = node.getNodeType();
+ if (doc == null) {
+ if (dom instanceof MultiDOM == false) {
+ runTimeError(RUN_TIME_INTERNAL_ERR, "need MultiDOM");
+ return null;
+ }
+ try {
+ AbstractTranslet at = (AbstractTranslet) translet;
+ doc = at.newDocument("", "__top__");
+ }
+ catch (javax.xml.parsers.ParserConfigurationException e) {
+ runTimeError(RUN_TIME_INTERNAL_ERR, e.getMessage());
+ return null;
+ }
+ }
+ // Use one dummy element as container for each node of the
+ // list. That way, it is easier to detect resp. avoid
+ // funny things which change the number of nodes,
+ // e.g. auto-concatenation of text nodes.
+ Element mid;
+ switch (nodeType) {
+ case org.w3c.dom.Node.ELEMENT_NODE:
+ case org.w3c.dom.Node.TEXT_NODE:
+ case org.w3c.dom.Node.CDATA_SECTION_NODE:
+ case org.w3c.dom.Node.COMMENT_NODE:
+ case org.w3c.dom.Node.ENTITY_REFERENCE_NODE:
+ case org.w3c.dom.Node.PROCESSING_INSTRUCTION_NODE:
+ mid = doc.createElementNS(null, "__dummy__");
+ mid.appendChild(doc.importNode(node, true));
+ doc.getDocumentElement().appendChild(mid);
+ ++n;
+ break;
+ case org.w3c.dom.Node.ATTRIBUTE_NODE:
+ // The mid element also serves as a container for
+ // attributes, avoiding problems with conflicting
+ // attributes or node order.
+ mid = doc.createElementNS(null, "__dummy__");
+ mid.setAttributeNodeNS((Attr)doc.importNode(node, true));
+ doc.getDocumentElement().appendChild(mid);
+ ++n;
+ break;
+ default:
+ // Better play it safe for all types we aren't sure we know
+ // how to deal with.
+ runTimeError(RUN_TIME_INTERNAL_ERR,
+ "Don't know how to convert node type "
+ + nodeType);
+ }
+ }
+
+ // w3cDOM -> DTM -> DOMImpl
+ DTMAxisIterator iter = null, childIter = null, attrIter = null;
+ if (doc != null) {
+ final MultiDOM multiDOM = (MultiDOM) dom;
+ DOM idom = (DOM)dtmManager.getDTM(new DOMSource(doc), false,
+ null, true, false);
+ // Create DOMAdapter and register with MultiDOM
+ DOMAdapter domAdapter = new DOMAdapter(idom,
+ translet.getNamesArray(),
+ translet.getUrisArray(),
+ translet.getTypesArray(),
+ translet.getNamespaceArray());
+ multiDOM.addDOMAdapter(domAdapter);
+
+ DTMAxisIterator iter1 = idom.getAxisIterator(Axis.CHILD);
+ DTMAxisIterator iter2 = idom.getAxisIterator(Axis.CHILD);
+ iter = new AbsoluteIterator(
+ new StepIterator(iter1, iter2));
+
+ iter.setStartNode(DTMDefaultBase.ROOTNODE);
+
+ childIter = idom.getAxisIterator(Axis.CHILD);
+ attrIter = idom.getAxisIterator(Axis.ATTRIBUTE);
+ }
+
+ // Second pass: find DTM handles for every node in the list.
+ int[] dtmHandles = new int[n];
+ n = 0;
+ for (int i = 0; i < nodeList.getLength(); ++i) {
+ if (proxyNodes[i] != DTM.NULL) {
+ dtmHandles[n++] = proxyNodes[i];
+ continue;
+ }
+ org.w3c.dom.Node node = nodeList.item(i);
+ DTMAxisIterator iter3 = null;
+ int nodeType = node.getNodeType();
+ switch (nodeType) {
+ case org.w3c.dom.Node.ELEMENT_NODE:
+ case org.w3c.dom.Node.TEXT_NODE:
+ case org.w3c.dom.Node.CDATA_SECTION_NODE:
+ case org.w3c.dom.Node.COMMENT_NODE:
+ case org.w3c.dom.Node.ENTITY_REFERENCE_NODE:
+ case org.w3c.dom.Node.PROCESSING_INSTRUCTION_NODE:
+ iter3 = childIter;
+ break;
+ case org.w3c.dom.Node.ATTRIBUTE_NODE:
+ iter3 = attrIter;
+ break;
+ default:
+ // Should not happen, as first run should have got all these
+ throw new InternalRuntimeError("Mismatched cases");
+ }
+ if (iter3 != null) {
+ iter3.setStartNode(iter.next());
+ dtmHandles[n] = iter3.next();
+ // For now, play it self and perform extra checks:
+ if (dtmHandles[n] == DTMAxisIterator.END)
+ throw new InternalRuntimeError("Expected element missing at " + i);
+ if (iter3.next() != DTMAxisIterator.END)
+ throw new InternalRuntimeError("Too many elements at " + i);
+ ++n;
+ }
+ }
+ if (n != dtmHandles.length)
+ throw new InternalRuntimeError("Nodes lost in second pass");
+
+ return new ArrayNodeListIterator(dtmHandles);
+ }
+
+ /**
+ * Utility function used to convert references to DOMs.
+ */
+ public static DOM referenceToResultTree(Object obj) {
+ try {
+ return ((DOM) obj);
+ }
+ catch (IllegalArgumentException e) {
+ final String className = obj.getClass().getName();
+ runTimeError(DATA_CONVERSION_ERR, "reference", className);
+ return null;
+ }
+ }
+
+ /**
+ * Utility function: used with nth position filters to convert a sequence
+ * of nodes to just one single node (the one at position n).
+ */
+ public static DTMAxisIterator getSingleNode(DTMAxisIterator iterator) {
+ int node = iterator.next();
+ return(new SingletonIterator(node));
+ }
+
+ /**
+ * Utility function: used in xsl:copy.
+ */
+ private static char[] _characterArray = new char[32];
+
+ public static void copy(Object obj,
+ SerializationHandler handler,
+ int node,
+ DOM dom) {
+ try {
+ if (obj instanceof DTMAxisIterator)
+ {
+ DTMAxisIterator iter = (DTMAxisIterator) obj;
+ dom.copy(iter.reset(), handler);
+ }
+ else if (obj instanceof Node) {
+ dom.copy(((Node) obj).node, handler);
+ }
+ else if (obj instanceof DOM) {
+ //((DOM)obj).copy(((com.sun.org.apache.xml.internal.dtm.ref.DTMDefaultBase)((DOMAdapter)obj).getDOMImpl()).getDocument(), handler);
+ DOM newDom = (DOM)obj;
+ newDom.copy(newDom.getDocument(), handler);
+ }
+ else {
+ String string = obj.toString(); // or call stringF()
+ final int length = string.length();
+ if (length > _characterArray.length)
+ _characterArray = new char[length];
+ string.getChars(0, length, _characterArray, 0);
+ handler.characters(_characterArray, 0, length);
+ }
+ }
+ catch (SAXException e) {
+ runTimeError(RUN_TIME_COPY_ERR);
+ }
+ }
+
+ /**
+ * Utility function to check if xsl:attribute has a valid qname
+ * This method should only be invoked if the name attribute is an AVT
+ */
+ public static void checkAttribQName(String name) {
+ final int firstOccur = name.indexOf(":");
+ final int lastOccur = name.lastIndexOf(":");
+ final String localName = name.substring(lastOccur + 1);
+
+ if (firstOccur > 0) {
+ final String newPrefix = name.substring(0, firstOccur);
+
+ if (firstOccur != lastOccur) {
+ final String oriPrefix = name.substring(firstOccur+1, lastOccur);
+ if (!XML11Char.isXML11ValidNCName(oriPrefix)) {
+ // even though the orignal prefix is ignored, it should still get checked for valid NCName
+ runTimeError(INVALID_QNAME_ERR,oriPrefix+":"+localName);
+ }
+ }
+
+ // prefix must be a valid NCName
+ if (!XML11Char.isXML11ValidNCName(newPrefix)) {
+ runTimeError(INVALID_QNAME_ERR,newPrefix+":"+localName);
+ }
+ }
+
+ // local name must be a valid NCName and must not be XMLNS
+ if ((!XML11Char.isXML11ValidNCName(localName))||(localName.equals(Constants.XMLNS_PREFIX))) {
+ runTimeError(INVALID_QNAME_ERR,localName);
+ }
+ }
+
+ /**
+ * Utility function to check if a name is a valid ncname
+ * This method should only be invoked if the attribute value is an AVT
+ */
+ public static void checkNCName(String name) {
+ if (!XML11Char.isXML11ValidNCName(name)) {
+ runTimeError(INVALID_NCNAME_ERR,name);
+ }
+ }
+
+ /**
+ * Utility function to check if a name is a valid qname
+ * This method should only be invoked if the attribute value is an AVT
+ */
+ public static void checkQName(String name) {
+ if (!XML11Char.isXML11ValidQName(name)) {
+ runTimeError(INVALID_QNAME_ERR,name);
+ }
+ }
+
+ /**
+ * Utility function for the implementation of xsl:element.
+ */
+ public static String startXslElement(String qname, String namespace,
+ SerializationHandler handler, DOM dom, int node)
+ {
+ try {
+ // Get prefix from qname
+ String prefix;
+ final int index = qname.indexOf(':');
+
+ if (index > 0) {
+ prefix = qname.substring(0, index);
+
+ // Handle case when prefix is not known at compile time
+ if (namespace == null || namespace.length() == 0) {
+ try {
+ // not sure if this line of code ever works
+ namespace = dom.lookupNamespace(node, prefix);
+ }
+ catch(RuntimeException e) {
+ handler.flushPending(); // need to flush or else can't get namespacemappings
+ NamespaceMappings nm = handler.getNamespaceMappings();
+ namespace = nm.lookupNamespace(prefix);
+ if (namespace == null) {
+ runTimeError(NAMESPACE_PREFIX_ERR,prefix);
+ }
+ }
+ }
+
+ handler.startElement(namespace, qname.substring(index+1),
+ qname);
+ handler.namespaceAfterStartElement(prefix, namespace);
+ }
+ else {
+ // Need to generate a prefix?
+ if (namespace != null && namespace.length() > 0) {
+ prefix = generatePrefix();
+ qname = prefix + ':' + qname;
+ handler.startElement(namespace, qname, qname);
+ handler.namespaceAfterStartElement(prefix, namespace);
+ }
+ else {
+ handler.startElement(null, null, qname);
+ }
+ }
+ }
+ catch (SAXException e) {
+ throw new RuntimeException(e.getMessage());
+ }
+
+ return qname;
+ }
+
+ /**
+ * This function is used in the execution of xsl:element
+ */
+ public static String getPrefix(String qname) {
+ final int index = qname.indexOf(':');
+ return (index > 0) ? qname.substring(0, index) : null;
+ }
+
+ /**
+ * This function is used in the execution of xsl:element
+ */
+ private static int prefixIndex = 0;
+
+ public static String generatePrefix() {
+ synchronized (BasisLibrary.class) {
+ return ("ns" + prefixIndex++);
+ }
+ }
+
+ public static final String RUN_TIME_INTERNAL_ERR =
+ "RUN_TIME_INTERNAL_ERR";
+ public static final String RUN_TIME_COPY_ERR =
+ "RUN_TIME_COPY_ERR";
+ public static final String DATA_CONVERSION_ERR =
+ "DATA_CONVERSION_ERR";
+ public static final String EXTERNAL_FUNC_ERR =
+ "EXTERNAL_FUNC_ERR";
+ public static final String EQUALITY_EXPR_ERR =
+ "EQUALITY_EXPR_ERR";
+ public static final String INVALID_ARGUMENT_ERR =
+ "INVALID_ARGUMENT_ERR";
+ public static final String FORMAT_NUMBER_ERR =
+ "FORMAT_NUMBER_ERR";
+ public static final String ITERATOR_CLONE_ERR =
+ "ITERATOR_CLONE_ERR";
+ public static final String AXIS_SUPPORT_ERR =
+ "AXIS_SUPPORT_ERR";
+ public static final String TYPED_AXIS_SUPPORT_ERR =
+ "TYPED_AXIS_SUPPORT_ERR";
+ public static final String STRAY_ATTRIBUTE_ERR =
+ "STRAY_ATTRIBUTE_ERR";
+ public static final String STRAY_NAMESPACE_ERR =
+ "STRAY_NAMESPACE_ERR";
+ public static final String NAMESPACE_PREFIX_ERR =
+ "NAMESPACE_PREFIX_ERR";
+ public static final String DOM_ADAPTER_INIT_ERR =
+ "DOM_ADAPTER_INIT_ERR";
+ public static final String PARSER_DTD_SUPPORT_ERR =
+ "PARSER_DTD_SUPPORT_ERR";
+ public static final String NAMESPACES_SUPPORT_ERR =
+ "NAMESPACES_SUPPORT_ERR";
+ public static final String CANT_RESOLVE_RELATIVE_URI_ERR =
+ "CANT_RESOLVE_RELATIVE_URI_ERR";
+ public static final String UNSUPPORTED_XSL_ERR =
+ "UNSUPPORTED_XSL_ERR";
+ public static final String UNSUPPORTED_EXT_ERR =
+ "UNSUPPORTED_EXT_ERR";
+ public static final String UNKNOWN_TRANSLET_VERSION_ERR =
+ "UNKNOWN_TRANSLET_VERSION_ERR";
+ public static final String INVALID_QNAME_ERR = "INVALID_QNAME_ERR";
+ public static final String INVALID_NCNAME_ERR = "INVALID_NCNAME_ERR";
+ public static final String UNALLOWED_EXTENSION_FUNCTION_ERR = "UNALLOWED_EXTENSION_FUNCTION_ERR";
+ public static final String UNALLOWED_EXTENSION_ELEMENT_ERR = "UNALLOWED_EXTENSION_ELEMENT_ERR";
+
+ // All error messages are localized and are stored in resource bundles.
+ private static ResourceBundle m_bundle;
+
+ public final static String ERROR_MESSAGES_KEY = "error-messages";
+
+ static {
+ String resource = "com.sun.org.apache.xalan.internal.xsltc.runtime.ErrorMessages";
+ m_bundle = SecuritySupport.getResourceBundle(resource);
+ }
+
+ /**
+ * Print a run-time error message.
+ */
+ public static void runTimeError(String code) {
+ throw new RuntimeException(m_bundle.getString(code));
+ }
+
+ public static void runTimeError(String code, Object[] args) {
+ final String message = MessageFormat.format(m_bundle.getString(code),
+ args);
+ throw new RuntimeException(message);
+ }
+
+ public static void runTimeError(String code, Object arg0) {
+ runTimeError(code, new Object[]{ arg0 } );
+ }
+
+ public static void runTimeError(String code, Object arg0, Object arg1) {
+ runTimeError(code, new Object[]{ arg0, arg1 } );
+ }
+
+ public static void consoleOutput(String msg) {
+ System.out.println(msg);
+ }
+
+ /**
+ * Replace a certain character in a string with a new substring.
+ */
+ public static String replace(String base, char ch, String str) {
+ return (base.indexOf(ch) < 0) ? base :
+ replace(base, String.valueOf(ch), new String[] { str });
+ }
+
+ public static String replace(String base, String delim, String[] str) {
+ final int len = base.length();
+ final StringBuilder result = threadLocalStringBuilder.get();
+ result.setLength(0);
+
+ for (int i = 0; i < len; i++) {
+ final char ch = base.charAt(i);
+ final int k = delim.indexOf(ch);
+
+ if (k >= 0) {
+ result.append(str[k]);
+ }
+ else {
+ result.append(ch);
+ }
+ }
+ return result.toString();
+ }
+
+
+ /**
+ * Utility method to allow setting parameters of the form
+ * {namespaceuri}localName
+ * which get mapped to an instance variable in the class
+ * Hence a parameter of the form "{http://foo.bar}xyz"
+ * will be replaced with the corresponding values
+ * by the BasisLibrary's utility method mapQNametoJavaName
+ * and thus get mapped to legal java variable names
+ */
+ public static String mapQNameToJavaName (String base ) {
+ return replace(base, ".-:/{}?#%*",
+ new String[] { "$dot$", "$dash$" ,"$colon$", "$slash$",
+ "","$colon$","$ques$","$hash$","$per$",
+ "$aster$"});
+
+ }
+
+ /**
+ * Utility method to calculate string-length as a number of code points,
+ * to avoid possible errors with string that contains
+ * complementary characters
+ */
+ public static int getStringLength(String str) {
+ return str.codePointCount(0,str.length());
+ }
+
+ //-- End utility functions
+}