1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / PHPSyntaxRdr.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPSyntaxRdr.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPSyntaxRdr.java
new file mode 100644 (file)
index 0000000..110aeb3
--- /dev/null
@@ -0,0 +1,348 @@
+package net.sourceforge.phpeclipse.phpeditor;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import net.sourceforge.phpeclipse.IPreferenceConstants;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPConstant;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPElement;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPFunction;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPKeyword;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPType;
+
+import org.eclipse.core.runtime.CoreException;
+//import org.eclipse.core.runtime.IPath;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.w3c.dom.Attr;
+import org.w3c.dom.Document;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.Text;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+/**
+ * <code>PHPSyntaxRdr</code> reads PHP specifics from an XML file (eg.
+ * keywords)
+ */
+
+public class PHPSyntaxRdr {
+       // private static final String PHPDEFAULT_FILE = "default-syntax.xml";
+       // //$NON-NLS-1$
+       private static final String PHPSYNTAX_FILE = "syntax.xml"; //$NON-NLS-1$
+       // private static final String USERSYNTAX_FILE = "usersyntax.xml";
+       // //$NON-NLS-1$
+       // private static final String USERDEFAULT_FILE = "default-usersyntax.xml";
+       // //$NON-NLS-1$
+
+       private static final String PHPSYNTAX_TAG = "s"; //$NON-NLS-1$
+
+       private static final String KEYWORD_ATTR = "k"; //$NON-NLS-1$
+
+       private static final String TYPE_ATTR = "t"; //$NON-NLS-1$
+
+       private static final String CONSTANT_ATTR = "c"; //$NON-NLS-1$
+
+       private static final String FN_ATTR = "f"; //$NON-NLS-1$
+
+       private static final String USAGE_ATTR = "u"; //$NON-NLS-1$
+       // private static final String TOKENVAL_ATTR = "tokenval"; //$NON-NLS-1$
+
+       private static IPreferenceStore store;
+
+       //private static boolean hasXMLFileBeenRead = true;
+
+       // The following variable is used to hold the syntax from
+       // the suers custom file - if that file should be changed,
+       // then all entries in this variable should be removed from
+       // the word list, reread from the file and then reinserted.
+       private static ArrayList userdefsyntaxdata;
+
+       private static ArrayList syntaxdata;
+
+       public PHPSyntaxRdr() {
+               // see getSyntaxData()
+               syntaxdata = null;
+               store = PHPeclipsePlugin.getDefault().getPreferenceStore();
+       }
+
+       public static void readInSyntax() {
+               try {
+//                     hasXMLFileBeenRead = true;
+                       /*
+                        * Attempt to read the syntax file from the metadata if this does
+                        * not work, create metadata from default
+                        */
+                       /*File syntaxFile = getSyntaxFile();
+                       if (syntaxFile.exists()) {
+                               readFromFile(syntaxFile);
+                       } else {*/
+                               readFromStream(PHPSyntaxRdr.class
+                                               .getResourceAsStream(PHPSYNTAX_FILE));
+                               //saveToFile(syntaxFile);
+                       /*}*/
+                       /* Read the user-defined syntax file if it exists */
+                       // String buffer = new
+                       // String(store.getString(PHPeclipsePlugin.PHP_USERDEF_XMLFILE));
+                       /*if (store == null)
+                               store = PHPeclipsePlugin.getDefault().getPreferenceStore();
+                       String buffer = new String(store
+                                       .getString(IPreferenceConstants.PHP_USERDEF_XMLFILE));
+                       if (!(buffer.equals("") || buffer == null)) {
+                               readFromFile(buffer);
+                       }*/
+               } catch (CoreException ce) {
+                       ce.printStackTrace();
+               }
+       }
+
+       public static void readFromFile(String filename) {
+               try {
+                       readFromFile(new File(filename));
+               } catch (CoreException e) {
+               }
+       }
+
+       public static void readFromFile(File file) throws CoreException {
+               InputStream stream = null;
+
+               if (file.exists()) {
+                       try {
+                               stream = new FileInputStream(file);
+                               readFromStream(stream);
+                       } catch (IOException e) {
+                               throwReadException(e);
+                       } finally {
+                               try {
+                                       if (stream != null) {
+                                               stream.close();
+                                       }
+                               } catch (IOException e) {
+                               }
+                       }
+               }
+       }
+
+       public static void readFromStream(InputStream stream) throws CoreException {
+               try {
+                       DocumentBuilderFactory factory = DocumentBuilderFactory
+                                       .newInstance();
+                       DocumentBuilder parser = factory.newDocumentBuilder();
+                       Document document = parser.parse(new InputSource(stream));
+                       // Read in the Standard PHPSyntax "stuff"
+                       NodeList elements = document.getElementsByTagName(PHPSYNTAX_TAG);
+
+                       int count = elements.getLength();
+                       for (int i = 0; i != count; i++) {
+                               Node node = elements.item(i);
+                               NamedNodeMap attributes = node.getAttributes();
+
+                               if (attributes == null)
+                                       continue;
+
+                               String Keyword = getAttributeValue(attributes, KEYWORD_ATTR);
+                               String Type = getAttributeValue(attributes, TYPE_ATTR);
+                               String Function = getAttributeValue(attributes, FN_ATTR);
+                               String Constant = getAttributeValue(attributes, CONSTANT_ATTR);
+                               String usage = getAttributeValue(attributes, USAGE_ATTR);
+                               // String Tokenval = getAttributeValue(attributes,
+                               // TOKENVAL_ATTR);
+
+                               StringBuffer buffer = new StringBuffer();
+                               NodeList children = node.getChildNodes();
+                               for (int j = 0; j != children.getLength(); j++) {
+                                       String value = children.item(j).getNodeValue();
+                                       if (value != null)
+                                               buffer.append(value);
+                               }
+                               String description = buffer.toString().trim();
+
+                               if (Keyword == null && Type == null && Function == null
+                                               && Constant == null) {
+                                       // ignore as it is not a valid phpsyntax tag
+                               } else {
+                                       if (Keyword != null) {
+                                               // syntaxdata.add(new PHPKeyword(Keyword, usage,
+                                               // Tokenval));
+                                               syntaxdata.add(new PHPKeyword(Keyword, usage));
+                                       } else if (Type != null) {
+                                               syntaxdata.add(new PHPType(Type, usage));
+                                       } else if (Function != null) {
+                                               syntaxdata.add(new PHPFunction(Function, usage,
+                                                               description));
+                                       } else if (Constant != null) {
+                                               syntaxdata.add(new PHPConstant(Constant, null,
+                                                               description));
+                                       }
+                               }
+                       }
+               } catch (ParserConfigurationException e) {
+                       throwReadException(e);
+               } catch (IOException e) {
+                       throwReadException(e);
+               } catch (SAXParseException e) {
+                       System.out.println("SAXParseException in line:" + e.getLineNumber()
+                                       + " column:" + e.getColumnNumber());
+                       throwReadException(e);
+               } catch (SAXException e) {
+                       throwReadException(e);
+               }
+       }
+
+       public static ArrayList getSyntaxData() {
+               if (syntaxdata == null) {
+                       syntaxdata = new ArrayList();
+                       readInSyntax();
+               }
+               return syntaxdata;
+       }
+
+       public static void replaceUserDefFile() {
+               /* Replace the user-defined syntax file if it exists */
+               String buffer = new String(store
+                               .getString(IPreferenceConstants.PHP_USERDEF_XMLFILE));
+               if (!buffer.equals("") || buffer == null) {
+                       readFromFile(buffer);
+               }
+       }
+
+       public static ArrayList getUserSyntaxData() {
+               return userdefsyntaxdata;
+       }
+
+//     private static File getSyntaxFile() {
+//             IPath path = PHPeclipsePlugin.getDefault().getStateLocation();
+//             path = path.append(PHPSYNTAX_FILE);
+//             return path.toFile();
+//     }
+
+       private static String getAttributeValue(NamedNodeMap attributes, String name) {
+               Node node = attributes.getNamedItem(name);
+               return node == null ? null : node.getNodeValue();
+       }
+
+       public static void saveToFile(File file) throws CoreException {
+               OutputStream stream = null;
+               try {
+                       stream = new FileOutputStream(file);
+                       saveToStream(stream);
+               } catch (IOException e) {
+                       throwWriteException(e);
+               } finally {
+                       try {
+                               if (stream != null)
+                                       stream.close();
+                       } catch (IOException e) {
+                       }
+               }
+       }
+
+       public static void saveToStream(OutputStream stream) throws CoreException {
+               try {
+                       DocumentBuilderFactory factory = DocumentBuilderFactory
+                                       .newInstance();
+                       DocumentBuilder builder = factory.newDocumentBuilder();
+                       Document document = builder.newDocument();
+                       Node root = document.createElement("PHPStandardSyntax"); // $NON-NLS-1$
+                                                                                                                                               // //$NON-NLS-1$
+                       document.appendChild(root);
+                       for (int i = 0; i != syntaxdata.size(); i++) {
+                               Object bufferobj = (Object) syntaxdata.get(i);
+                               Attr name = null;
+                               Node node = document.createElement(PHPSYNTAX_TAG); // $NON-NLS-1$
+                                                                                                                                       // //$NON-NLS-1$
+                               root.appendChild(node);
+                               NamedNodeMap attributes = node.getAttributes();
+                               if (bufferobj instanceof PHPType)
+                                       name = document.createAttribute(TYPE_ATTR);
+                               if (bufferobj instanceof PHPKeyword)
+                                       name = document.createAttribute(KEYWORD_ATTR);
+                               if (bufferobj instanceof PHPFunction)
+                                       name = document.createAttribute(FN_ATTR);
+                               if (bufferobj instanceof PHPConstant)
+                                       name = document.createAttribute(CONSTANT_ATTR);
+                               name.setValue(((PHPElement) bufferobj).getName());
+                               attributes.setNamedItem(name);
+                               Attr description = document.createAttribute(USAGE_ATTR);
+                               description.setValue(((PHPElement) bufferobj).getUsage());
+                               attributes.setNamedItem(description);
+                               // if (bufferobj instanceof PHPKeyword) {
+                               // Attr tokenval = document.createAttribute(TOKENVAL_ATTR);
+                               // tokenval.setValue((new Integer(((PHPKeyword)
+                               // bufferobj).gettokenval())).toString());
+                               // attributes.setNamedItem(tokenval);
+                               // }
+                               if (bufferobj instanceof PHPFunction) {
+                                       // Attr usage = document.createAttribute(USAGE_ATTR);
+                                       Text usage = document
+                                                       .createTextNode(((PHPFunction) bufferobj)
+                                                                       .getDescription());
+                                       node.appendChild(usage);
+                               }
+                               if (bufferobj instanceof PHPConstant) {
+                                       // Attr usage = document.createAttribute(USAGE_ATTR);
+                                       Text usage = document
+                                                       .createTextNode(((PHPConstant) bufferobj)
+                                                                       .getDescription());
+                                       node.appendChild(usage);
+                               }
+                       }
+                       Transformer transformer = TransformerFactory.newInstance()
+                                       .newTransformer();
+                       transformer.setOutputProperty(OutputKeys.METHOD, "xml"); //$NON-NLS-1$
+                       transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); //$NON-NLS-1$
+                       DOMSource source = new DOMSource(document);
+                       StreamResult result = new StreamResult(stream);
+
+                       transformer.transform(source, result);
+
+               } catch (ParserConfigurationException e) {
+                       throwWriteException(e);
+               } catch (TransformerException e) {
+                       throwWriteException(e);
+               }
+               // OutputFormat format = new OutputFormat();
+               // format.setPreserveSpace(true);
+               // try {
+               // Serializer serializer =
+               // SerializerFactory.getSerializerFactory("xml").makeSerializer(stream,
+               // format);
+               // serializer.asDOMSerializer().serialize(document);
+               // } catch (UnsupportedEncodingException e) {
+               // } catch (IOException e) {
+               // } //$NON-NLS-1$
+               // // Serializer serializer =
+               // SerializerFactory.getSerializer().makeSerializer(stream, format);
+               // //$NON-NLS-1$
+               // } catch (ParserConfigurationException e) {
+               // throwWriteException(e);
+               // }
+       }
+
+       private static void throwReadException(Throwable t) throws CoreException {
+               PHPeclipsePlugin.log(t);
+       }
+
+       private static void throwWriteException(Throwable t) throws CoreException {
+               PHPeclipsePlugin.log(t);
+       }
+
+}