--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/java.xml/share/classes/com/sun/org/apache/xalan/internal/xsltc/compiler/XSLTC.java Sun Aug 17 15:51:56 2014 +0100
@@ -0,0 +1,978 @@
+/*
+ * 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: XSLTC.java,v 1.2.4.1 2005/09/05 09:51:38 pvedula Exp $
+ */
+
+package com.sun.org.apache.xalan.internal.xsltc.compiler;
+
+import java.io.BufferedOutputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.Date;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Vector;
+import java.util.jar.JarEntry;
+import java.util.jar.JarOutputStream;
+import java.util.jar.Manifest;
+import javax.xml.XMLConstants;
+
+import com.sun.org.apache.bcel.internal.classfile.JavaClass;
+import com.sun.org.apache.xalan.internal.XalanConstants;
+import com.sun.org.apache.xalan.internal.utils.FeatureManager;
+import com.sun.org.apache.xalan.internal.utils.FeatureManager.Feature;
+import com.sun.org.apache.xalan.internal.utils.SecuritySupport;
+import com.sun.org.apache.xalan.internal.utils.XMLSecurityManager;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util;
+import com.sun.org.apache.xml.internal.dtm.DTM;
+
+import org.xml.sax.InputSource;
+import org.xml.sax.XMLReader;
+
+/**
+ * @author Jacek Ambroziak
+ * @author Santiago Pericas-Geertsen
+ * @author G. Todd Miller
+ * @author Morten Jorgensen
+ * @author John Howard (johnh@schemasoft.com)
+ */
+public final class XSLTC {
+
+ // A reference to the main stylesheet parser object.
+ private Parser _parser;
+
+ // A reference to an external XMLReader (SAX parser) passed to us
+ private XMLReader _reader = null;
+
+ // A reference to an external SourceLoader (for use with include/import)
+ private SourceLoader _loader = null;
+
+ // A reference to the stylesheet being compiled.
+ private Stylesheet _stylesheet;
+
+ // Counters used by various classes to generate unique names.
+ // private int _variableSerial = 1;
+ private int _modeSerial = 1;
+ private int _stylesheetSerial = 1;
+ private int _stepPatternSerial = 1;
+ private int _helperClassSerial = 0;
+ private int _attributeSetSerial = 0;
+
+ private int[] _numberFieldIndexes;
+
+ // Name index tables
+ private int _nextGType; // Next available element type
+ private Vector _namesIndex; // Index of all registered QNames
+ private Hashtable _elements; // Hashtable of all registered elements
+ private Hashtable _attributes; // Hashtable of all registered attributes
+
+ // Namespace index tables
+ private int _nextNSType; // Next available namespace type
+ private Vector _namespaceIndex; // Index of all registered namespaces
+ private Hashtable _namespaces; // Hashtable of all registered namespaces
+ private Hashtable _namespacePrefixes;// Hashtable of all registered namespace prefixes
+
+
+ // All literal text in the stylesheet
+ private Vector m_characterData;
+
+ // These define the various methods for outputting the translet
+ public static final int FILE_OUTPUT = 0;
+ public static final int JAR_OUTPUT = 1;
+ public static final int BYTEARRAY_OUTPUT = 2;
+ public static final int CLASSLOADER_OUTPUT = 3;
+ public static final int BYTEARRAY_AND_FILE_OUTPUT = 4;
+ public static final int BYTEARRAY_AND_JAR_OUTPUT = 5;
+
+
+ // Compiler options (passed from command line or XSLTC client)
+ private boolean _debug = false; // -x
+ private String _jarFileName = null; // -j <jar-file-name>
+ private String _className = null; // -o <class-name>
+ private String _packageName = null; // -p <package-name>
+ private File _destDir = null; // -d <directory-name>
+ private int _outputType = FILE_OUTPUT; // by default
+
+ private Vector _classes;
+ private Vector _bcelClasses;
+ private boolean _callsNodeset = false;
+ private boolean _multiDocument = false;
+ private boolean _hasIdCall = false;
+
+ /**
+ * Set to true if template inlining is requested. Template
+ * inlining used to be the default, but we have found that
+ * Hotspots does a better job with shorter methods, so the
+ * default is *not* to inline now.
+ */
+ private boolean _templateInlining = false;
+
+ /**
+ * State of the secure processing feature.
+ */
+ private boolean _isSecureProcessing = false;
+
+ private boolean _useServicesMechanism = true;
+
+ /**
+ * protocols allowed for external references set by the stylesheet processing instruction, Import and Include element.
+ */
+ private String _accessExternalStylesheet = XalanConstants.EXTERNAL_ACCESS_DEFAULT;
+ /**
+ * protocols allowed for external DTD references in source file and/or stylesheet.
+ */
+ private String _accessExternalDTD = XalanConstants.EXTERNAL_ACCESS_DEFAULT;
+
+ private XMLSecurityManager _xmlSecurityManager;
+
+ private final FeatureManager _featureManager;
+
+ /**
+ * XSLTC compiler constructor
+ */
+ public XSLTC(boolean useServicesMechanism, FeatureManager featureManager) {
+ _parser = new Parser(this, useServicesMechanism);
+ _featureManager = featureManager;
+ }
+
+ /**
+ * Set the state of the secure processing feature.
+ */
+ public void setSecureProcessing(boolean flag) {
+ _isSecureProcessing = flag;
+ }
+
+ /**
+ * Return the state of the secure processing feature.
+ */
+ public boolean isSecureProcessing() {
+ return _isSecureProcessing;
+ }
+ /**
+ * Return the state of the services mechanism feature.
+ */
+ public boolean useServicesMechnism() {
+ return _useServicesMechanism;
+ }
+
+ /**
+ * Set the state of the services mechanism feature.
+ */
+ public void setServicesMechnism(boolean flag) {
+ _useServicesMechanism = flag;
+ }
+
+ /**
+ * Return the value of the specified feature
+ * @param name name of the feature
+ * @return true if the feature is enabled, false otherwise
+ */
+ public boolean getFeature(Feature name) {
+ return _featureManager.isFeatureEnabled(name);
+ }
+
+ /**
+ * Return allowed protocols for accessing external stylesheet.
+ */
+ public Object getProperty(String name) {
+ if (name.equals(XMLConstants.ACCESS_EXTERNAL_STYLESHEET)) {
+ return _accessExternalStylesheet;
+ }
+ else if (name.equals(XMLConstants.ACCESS_EXTERNAL_DTD)) {
+ return _accessExternalDTD;
+ } else if (name.equals(XalanConstants.SECURITY_MANAGER)) {
+ return _xmlSecurityManager;
+ }
+ return null;
+ }
+
+ /**
+ * Set allowed protocols for accessing external stylesheet.
+ */
+ public void setProperty(String name, Object value) {
+ if (name.equals(XMLConstants.ACCESS_EXTERNAL_STYLESHEET)) {
+ _accessExternalStylesheet = (String)value;
+ }
+ else if (name.equals(XMLConstants.ACCESS_EXTERNAL_DTD)) {
+ _accessExternalDTD = (String)value;
+ } else if (name.equals(XalanConstants.SECURITY_MANAGER)) {
+ _xmlSecurityManager = (XMLSecurityManager)value;
+ }
+ }
+
+ /**
+ * Only for user by the internal TrAX implementation.
+ */
+ public Parser getParser() {
+ return _parser;
+ }
+
+ /**
+ * Only for user by the internal TrAX implementation.
+ */
+ public void setOutputType(int type) {
+ _outputType = type;
+ }
+
+ /**
+ * Only for user by the internal TrAX implementation.
+ */
+ public Properties getOutputProperties() {
+ return _parser.getOutputProperties();
+ }
+
+ /**
+ * Initializes the compiler to compile a new stylesheet
+ */
+ public void init() {
+ reset();
+ _reader = null;
+ _classes = new Vector();
+ _bcelClasses = new Vector();
+ }
+
+ /**
+ * Initializes the compiler to produce a new translet
+ */
+ private void reset() {
+ _nextGType = DTM.NTYPES;
+ _elements = new Hashtable();
+ _attributes = new Hashtable();
+ _namespaces = new Hashtable();
+ _namespaces.put("",new Integer(_nextNSType));
+ _namesIndex = new Vector(128);
+ _namespaceIndex = new Vector(32);
+ _namespacePrefixes = new Hashtable();
+ _stylesheet = null;
+ _parser.init();
+ //_variableSerial = 1;
+ _modeSerial = 1;
+ _stylesheetSerial = 1;
+ _stepPatternSerial = 1;
+ _helperClassSerial = 0;
+ _attributeSetSerial = 0;
+ _multiDocument = false;
+ _hasIdCall = false;
+ _numberFieldIndexes = new int[] {
+ -1, // LEVEL_SINGLE
+ -1, // LEVEL_MULTIPLE
+ -1 // LEVEL_ANY
+ };
+ }
+
+ /**
+ * Defines an external SourceLoader to provide the compiler with documents
+ * referenced in xsl:include/import
+ * @param loader The SourceLoader to use for include/import
+ */
+ public void setSourceLoader(SourceLoader loader) {
+ _loader = loader;
+ }
+
+ /**
+ * Set a flag indicating if templates are to be inlined or not. The
+ * default is to do inlining, but this causes problems when the
+ * stylesheets have a large number of templates (e.g. branch targets
+ * exceeding 64K or a length of a method exceeding 64K).
+ */
+ public void setTemplateInlining(boolean templateInlining) {
+ _templateInlining = templateInlining;
+ }
+ /**
+ * Return the state of the template inlining feature.
+ */
+ public boolean getTemplateInlining() {
+ return _templateInlining;
+ }
+
+ /**
+ * Set the parameters to use to locate the correct <?xml-stylesheet ...?>
+ * processing instruction in the case where the input document to the
+ * compiler (and parser) is an XML document.
+ * @param media The media attribute to be matched. May be null, in which
+ * case the prefered templates will be used (i.e. alternate = no).
+ * @param title The value of the title attribute to match. May be null.
+ * @param charset The value of the charset attribute to match. May be null.
+ */
+ public void setPIParameters(String media, String title, String charset) {
+ _parser.setPIParameters(media, title, charset);
+ }
+
+ /**
+ * Compiles an XSL stylesheet pointed to by a URL
+ * @param url An URL containing the input XSL stylesheet
+ */
+ public boolean compile(URL url) {
+ try {
+ // Open input stream from URL and wrap inside InputSource
+ final InputStream stream = url.openStream();
+ final InputSource input = new InputSource(stream);
+ input.setSystemId(url.toString());
+ return compile(input, _className);
+ }
+ catch (IOException e) {
+ _parser.reportError(Constants.FATAL, new ErrorMsg(ErrorMsg.JAXP_COMPILE_ERR, e));
+ return false;
+ }
+ }
+
+ /**
+ * Compiles an XSL stylesheet pointed to by a URL
+ * @param url An URL containing the input XSL stylesheet
+ * @param name The name to assign to the translet class
+ */
+ public boolean compile(URL url, String name) {
+ try {
+ // Open input stream from URL and wrap inside InputSource
+ final InputStream stream = url.openStream();
+ final InputSource input = new InputSource(stream);
+ input.setSystemId(url.toString());
+ return compile(input, name);
+ }
+ catch (IOException e) {
+ _parser.reportError(Constants.FATAL, new ErrorMsg(ErrorMsg.JAXP_COMPILE_ERR, e));
+ return false;
+ }
+ }
+
+ /**
+ * Compiles an XSL stylesheet passed in through an InputStream
+ * @param stream An InputStream that will pass in the stylesheet contents
+ * @param name The name of the translet class to generate
+ * @return 'true' if the compilation was successful
+ */
+ public boolean compile(InputStream stream, String name) {
+ final InputSource input = new InputSource(stream);
+ input.setSystemId(name); // We have nothing else!!!
+ return compile(input, name);
+ }
+
+ /**
+ * Compiles an XSL stylesheet passed in through an InputStream
+ * @param input An InputSource that will pass in the stylesheet contents
+ * @param name The name of the translet class to generate - can be null
+ * @return 'true' if the compilation was successful
+ */
+ public boolean compile(InputSource input, String name) {
+ try {
+ // Reset globals in case we're called by compile(Vector v);
+ reset();
+
+ // The systemId may not be set, so we'll have to check the URL
+ String systemId = null;
+ if (input != null) {
+ systemId = input.getSystemId();
+ }
+
+ // Set the translet class name if not already set
+ if (_className == null) {
+ if (name != null) {
+ setClassName(name);
+ }
+ else if (systemId != null && !systemId.equals("")) {
+ setClassName(Util.baseName(systemId));
+ }
+
+ // Ensure we have a non-empty class name at this point
+ if (_className == null || _className.length() == 0) {
+ setClassName("GregorSamsa"); // default translet name
+ }
+ }
+
+ // Get the root node of the abstract syntax tree
+ SyntaxTreeNode element = null;
+ if (_reader == null) {
+ element = _parser.parse(input);
+ }
+ else {
+ element = _parser.parse(_reader, input);
+ }
+
+ // Compile the translet - this is where the work is done!
+ if ((!_parser.errorsFound()) && (element != null)) {
+ // Create a Stylesheet element from the root node
+ _stylesheet = _parser.makeStylesheet(element);
+ _stylesheet.setSourceLoader(_loader);
+ _stylesheet.setSystemId(systemId);
+ _stylesheet.setParentStylesheet(null);
+ _stylesheet.setTemplateInlining(_templateInlining);
+ _parser.setCurrentStylesheet(_stylesheet);
+
+ // Create AST under the Stylesheet element (parse & type-check)
+ _parser.createAST(_stylesheet);
+ }
+ // Generate the bytecodes and output the translet class(es)
+ if ((!_parser.errorsFound()) && (_stylesheet != null)) {
+ _stylesheet.setCallsNodeset(_callsNodeset);
+ _stylesheet.setMultiDocument(_multiDocument);
+ _stylesheet.setHasIdCall(_hasIdCall);
+
+ // Class synchronization is needed for BCEL
+ synchronized (getClass()) {
+ _stylesheet.translate();
+ }
+ }
+ }
+ catch (Exception e) {
+ /*if (_debug)*/ e.printStackTrace();
+ _parser.reportError(Constants.FATAL, new ErrorMsg(ErrorMsg.JAXP_COMPILE_ERR, e));
+ }
+ catch (Error e) {
+ if (_debug) e.printStackTrace();
+ _parser.reportError(Constants.FATAL, new ErrorMsg(ErrorMsg.JAXP_COMPILE_ERR, e));
+ }
+ finally {
+ _reader = null; // reset this here to be sure it is not re-used
+ }
+ return !_parser.errorsFound();
+ }
+
+ /**
+ * Compiles a set of stylesheets pointed to by a Vector of URLs
+ * @param stylesheets A Vector containing URLs pointing to the stylesheets
+ * @return 'true' if the compilation was successful
+ */
+ public boolean compile(Vector stylesheets) {
+ // Get the number of stylesheets (ie. URLs) in the vector
+ final int count = stylesheets.size();
+
+ // Return straight away if the vector is empty
+ if (count == 0) return true;
+
+ // Special handling needed if the URL count is one, becuase the
+ // _className global must not be reset if it was set explicitly
+ if (count == 1) {
+ final Object url = stylesheets.firstElement();
+ if (url instanceof URL)
+ return compile((URL)url);
+ else
+ return false;
+ }
+ else {
+ // Traverse all elements in the vector and compile
+ final Enumeration urls = stylesheets.elements();
+ while (urls.hasMoreElements()) {
+ _className = null; // reset, so that new name will be computed
+ final Object url = urls.nextElement();
+ if (url instanceof URL) {
+ if (!compile((URL)url)) return false;
+ }
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Returns an array of bytecode arrays generated by a compilation.
+ * @return JVM bytecodes that represent translet class definition
+ */
+ public byte[][] getBytecodes() {
+ final int count = _classes.size();
+ final byte[][] result = new byte[count][1];
+ for (int i = 0; i < count; i++)
+ result[i] = (byte[])_classes.elementAt(i);
+ return result;
+ }
+
+ /**
+ * Compiles a stylesheet pointed to by a URL. The result is put in a
+ * set of byte arrays. One byte array for each generated class.
+ * @param name The name of the translet class to generate
+ * @param input An InputSource that will pass in the stylesheet contents
+ * @param outputType The output type
+ * @return JVM bytecodes that represent translet class definition
+ */
+ public byte[][] compile(String name, InputSource input, int outputType) {
+ _outputType = outputType;
+ if (compile(input, name))
+ return getBytecodes();
+ else
+ return null;
+ }
+
+ /**
+ * Compiles a stylesheet pointed to by a URL. The result is put in a
+ * set of byte arrays. One byte array for each generated class.
+ * @param name The name of the translet class to generate
+ * @param input An InputSource that will pass in the stylesheet contents
+ * @return JVM bytecodes that represent translet class definition
+ */
+ public byte[][] compile(String name, InputSource input) {
+ return compile(name, input, BYTEARRAY_OUTPUT);
+ }
+
+ /**
+ * Set the XMLReader to use for parsing the next input stylesheet
+ * @param reader XMLReader (SAX2 parser) to use
+ */
+ public void setXMLReader(XMLReader reader) {
+ _reader = reader;
+ }
+
+ /**
+ * Get the XMLReader to use for parsing the next input stylesheet
+ */
+ public XMLReader getXMLReader() {
+ return _reader ;
+ }
+
+ /**
+ * Get a Vector containing all compile error messages
+ * @return A Vector containing all compile error messages
+ */
+ public Vector getErrors() {
+ return _parser.getErrors();
+ }
+
+ /**
+ * Get a Vector containing all compile warning messages
+ * @return A Vector containing all compile error messages
+ */
+ public Vector getWarnings() {
+ return _parser.getWarnings();
+ }
+
+ /**
+ * Print all compile error messages to standard output
+ */
+ public void printErrors() {
+ _parser.printErrors();
+ }
+
+ /**
+ * Print all compile warning messages to standard output
+ */
+ public void printWarnings() {
+ _parser.printWarnings();
+ }
+
+ /**
+ * This method is called by the XPathParser when it encounters a call
+ * to the document() function. Affects the DOM used by the translet.
+ */
+ protected void setMultiDocument(boolean flag) {
+ _multiDocument = flag;
+ }
+
+ public boolean isMultiDocument() {
+ return _multiDocument;
+ }
+
+ /**
+ * This method is called by the XPathParser when it encounters a call
+ * to the nodeset() extension function. Implies multi document.
+ */
+ protected void setCallsNodeset(boolean flag) {
+ if (flag) setMultiDocument(flag);
+ _callsNodeset = flag;
+ }
+
+ public boolean callsNodeset() {
+ return _callsNodeset;
+ }
+
+ protected void setHasIdCall(boolean flag) {
+ _hasIdCall = flag;
+ }
+
+ public boolean hasIdCall() {
+ return _hasIdCall;
+ }
+
+ /**
+ * Set the class name for the generated translet. This class name is
+ * overridden if multiple stylesheets are compiled in one go using the
+ * compile(Vector urls) method.
+ * @param className The name to assign to the translet class
+ */
+ public void setClassName(String className) {
+ final String base = Util.baseName(className);
+ final String noext = Util.noExtName(base);
+ String name = Util.toJavaName(noext);
+
+ if (_packageName == null)
+ _className = name;
+ else
+ _className = _packageName + '.' + name;
+ }
+
+ /**
+ * Get the class name for the generated translet.
+ */
+ public String getClassName() {
+ return _className;
+ }
+
+ /**
+ * Convert for Java class name of local system file name.
+ * (Replace '.' with '/' on UNIX and replace '.' by '\' on Windows/DOS.)
+ */
+ private String classFileName(final String className) {
+ return className.replace('.', File.separatorChar) + ".class";
+ }
+
+ /**
+ * Generate an output File object to send the translet to
+ */
+ private File getOutputFile(String className) {
+ if (_destDir != null)
+ return new File(_destDir, classFileName(className));
+ else
+ return new File(classFileName(className));
+ }
+
+ /**
+ * Set the destination directory for the translet.
+ * The current working directory will be used by default.
+ */
+ public boolean setDestDirectory(String dstDirName) {
+ final File dir = new File(dstDirName);
+ if (SecuritySupport.getFileExists(dir) || dir.mkdirs()) {
+ _destDir = dir;
+ return true;
+ }
+ else {
+ _destDir = null;
+ return false;
+ }
+ }
+
+ /**
+ * Set an optional package name for the translet and auxiliary classes
+ */
+ public void setPackageName(String packageName) {
+ _packageName = packageName;
+ if (_className != null) setClassName(_className);
+ }
+
+ /**
+ * Set the name of an optional JAR-file to dump the translet and
+ * auxiliary classes to
+ */
+ public void setJarFileName(String jarFileName) {
+ final String JAR_EXT = ".jar";
+ if (jarFileName.endsWith(JAR_EXT))
+ _jarFileName = jarFileName;
+ else
+ _jarFileName = jarFileName + JAR_EXT;
+ _outputType = JAR_OUTPUT;
+ }
+
+ public String getJarFileName() {
+ return _jarFileName;
+ }
+
+ /**
+ * Set the top-level stylesheet
+ */
+ public void setStylesheet(Stylesheet stylesheet) {
+ if (_stylesheet == null) _stylesheet = stylesheet;
+ }
+
+ /**
+ * Returns the top-level stylesheet
+ */
+ public Stylesheet getStylesheet() {
+ return _stylesheet;
+ }
+
+ /**
+ * Registers an attribute and gives it a type so that it can be mapped to
+ * DOM attribute types at run-time.
+ */
+ public int registerAttribute(QName name) {
+ Integer code = (Integer)_attributes.get(name.toString());
+ if (code == null) {
+ code = new Integer(_nextGType++);
+ _attributes.put(name.toString(), code);
+ final String uri = name.getNamespace();
+ final String local = "@"+name.getLocalPart();
+ if ((uri != null) && (!uri.equals("")))
+ _namesIndex.addElement(uri+":"+local);
+ else
+ _namesIndex.addElement(local);
+ if (name.getLocalPart().equals("*")) {
+ registerNamespace(name.getNamespace());
+ }
+ }
+ return code.intValue();
+ }
+
+ /**
+ * Registers an element and gives it a type so that it can be mapped to
+ * DOM element types at run-time.
+ */
+ public int registerElement(QName name) {
+ // Register element (full QName)
+ Integer code = (Integer)_elements.get(name.toString());
+ if (code == null) {
+ _elements.put(name.toString(), code = new Integer(_nextGType++));
+ _namesIndex.addElement(name.toString());
+ }
+ if (name.getLocalPart().equals("*")) {
+ registerNamespace(name.getNamespace());
+ }
+ return code.intValue();
+ }
+
+ /**
+ * Registers a namespace prefix and gives it a type so that it can be mapped to
+ * DOM namespace types at run-time.
+ */
+
+ public int registerNamespacePrefix(QName name) {
+
+ Integer code = (Integer)_namespacePrefixes.get(name.toString());
+ if (code == null) {
+ code = new Integer(_nextGType++);
+ _namespacePrefixes.put(name.toString(), code);
+ final String uri = name.getNamespace();
+ if ((uri != null) && (!uri.equals(""))){
+ // namespace::ext2:ped2 will be made empty in TypedNamespaceIterator
+ _namesIndex.addElement("?");
+ } else{
+ _namesIndex.addElement("?"+name.getLocalPart());
+ }
+ }
+ return code.intValue();
+ }
+
+ /**
+ * Registers a namespace and gives it a type so that it can be mapped to
+ * DOM namespace types at run-time.
+ */
+ public int registerNamespace(String namespaceURI) {
+ Integer code = (Integer)_namespaces.get(namespaceURI);
+ if (code == null) {
+ code = new Integer(_nextNSType++);
+ _namespaces.put(namespaceURI,code);
+ _namespaceIndex.addElement(namespaceURI);
+ }
+ return code.intValue();
+ }
+
+ public int nextModeSerial() {
+ return _modeSerial++;
+ }
+
+ public int nextStylesheetSerial() {
+ return _stylesheetSerial++;
+ }
+
+ public int nextStepPatternSerial() {
+ return _stepPatternSerial++;
+ }
+
+ public int[] getNumberFieldIndexes() {
+ return _numberFieldIndexes;
+ }
+
+ public int nextHelperClassSerial() {
+ return _helperClassSerial++;
+ }
+
+ public int nextAttributeSetSerial() {
+ return _attributeSetSerial++;
+ }
+
+ public Vector getNamesIndex() {
+ return _namesIndex;
+ }
+
+ public Vector getNamespaceIndex() {
+ return _namespaceIndex;
+ }
+
+ /**
+ * Returns a unique name for every helper class needed to
+ * execute a translet.
+ */
+ public String getHelperClassName() {
+ return getClassName() + '$' + _helperClassSerial++;
+ }
+
+ public void dumpClass(JavaClass clazz) {
+
+ if (_outputType == FILE_OUTPUT ||
+ _outputType == BYTEARRAY_AND_FILE_OUTPUT)
+ {
+ File outFile = getOutputFile(clazz.getClassName());
+ String parentDir = outFile.getParent();
+ if (parentDir != null) {
+ File parentFile = new File(parentDir);
+ if (!SecuritySupport.getFileExists(parentFile))
+ parentFile.mkdirs();
+ }
+ }
+
+ try {
+ switch (_outputType) {
+ case FILE_OUTPUT:
+ clazz.dump(
+ new BufferedOutputStream(
+ new FileOutputStream(
+ getOutputFile(clazz.getClassName()))));
+ break;
+ case JAR_OUTPUT:
+ _bcelClasses.addElement(clazz);
+ break;
+ case BYTEARRAY_OUTPUT:
+ case BYTEARRAY_AND_FILE_OUTPUT:
+ case BYTEARRAY_AND_JAR_OUTPUT:
+ case CLASSLOADER_OUTPUT:
+ ByteArrayOutputStream out = new ByteArrayOutputStream(2048);
+ clazz.dump(out);
+ _classes.addElement(out.toByteArray());
+
+ if (_outputType == BYTEARRAY_AND_FILE_OUTPUT)
+ clazz.dump(new BufferedOutputStream(
+ new FileOutputStream(getOutputFile(clazz.getClassName()))));
+ else if (_outputType == BYTEARRAY_AND_JAR_OUTPUT)
+ _bcelClasses.addElement(clazz);
+
+ break;
+ }
+ }
+ catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * File separators are converted to forward slashes for ZIP files.
+ */
+ private String entryName(File f) throws IOException {
+ return f.getName().replace(File.separatorChar, '/');
+ }
+
+ /**
+ * Generate output JAR-file and packages
+ */
+ public void outputToJar() throws IOException {
+ // create the manifest
+ final Manifest manifest = new Manifest();
+ final java.util.jar.Attributes atrs = manifest.getMainAttributes();
+ atrs.put(java.util.jar.Attributes.Name.MANIFEST_VERSION,"1.2");
+
+ final Map map = manifest.getEntries();
+ // create manifest
+ Enumeration classes = _bcelClasses.elements();
+ final String now = (new Date()).toString();
+ final java.util.jar.Attributes.Name dateAttr =
+ new java.util.jar.Attributes.Name("Date");
+ while (classes.hasMoreElements()) {
+ final JavaClass clazz = (JavaClass)classes.nextElement();
+ final String className = clazz.getClassName().replace('.','/');
+ final java.util.jar.Attributes attr = new java.util.jar.Attributes();
+ attr.put(dateAttr, now);
+ map.put(className+".class", attr);
+ }
+
+ final File jarFile = new File(_destDir, _jarFileName);
+ final JarOutputStream jos =
+ new JarOutputStream(new FileOutputStream(jarFile), manifest);
+ classes = _bcelClasses.elements();
+ while (classes.hasMoreElements()) {
+ final JavaClass clazz = (JavaClass)classes.nextElement();
+ final String className = clazz.getClassName().replace('.','/');
+ jos.putNextEntry(new JarEntry(className+".class"));
+ final ByteArrayOutputStream out = new ByteArrayOutputStream(2048);
+ clazz.dump(out); // dump() closes it's output stream
+ out.writeTo(jos);
+ }
+ jos.close();
+ }
+
+ /**
+ * Turn debugging messages on/off
+ */
+ public void setDebug(boolean debug) {
+ _debug = debug;
+ }
+
+ /**
+ * Get current debugging message setting
+ */
+ public boolean debug() {
+ return _debug;
+ }
+
+
+ /**
+ * Retrieve a string representation of the character data to be stored
+ * in the translet as a <code>char[]</code>. There may be more than
+ * one such array required.
+ * @param index The index of the <code>char[]</code>. Zero-based.
+ * @return String The character data to be stored in the corresponding
+ * <code>char[]</code>.
+ */
+ public String getCharacterData(int index) {
+ return ((StringBuffer) m_characterData.elementAt(index)).toString();
+ }
+
+ /**
+ * Get the number of char[] arrays, thus far, that will be created to
+ * store literal text in the stylesheet.
+ */
+ public int getCharacterDataCount() {
+ return (m_characterData != null) ? m_characterData.size() : 0;
+ }
+
+ /**
+ * Add literal text to char arrays that will be used to store character
+ * data in the stylesheet.
+ * @param newData String data to be added to char arrays.
+ * Pre-condition: <code>newData.length() ≤ 21845</code>
+ * @return int offset at which character data will be stored
+ */
+ public int addCharacterData(String newData) {
+ StringBuffer currData;
+ if (m_characterData == null) {
+ m_characterData = new Vector();
+ currData = new StringBuffer();
+ m_characterData.addElement(currData);
+ } else {
+ currData = (StringBuffer) m_characterData
+ .elementAt(m_characterData.size()-1);
+ }
+
+ // Character data could take up to three-times as much space when
+ // written to the class file as UTF-8. The maximum size for a
+ // constant is 65535/3. If we exceed that,
+ // (We really should use some "bin packing".)
+ if (newData.length() + currData.length() > 21845) {
+ currData = new StringBuffer();
+ m_characterData.addElement(currData);
+ }
+
+ int newDataOffset = currData.length();
+ currData.append(newData);
+
+ return newDataOffset;
+ }
+}