1 package net.sourceforge.phpeclipse.phpeditor;
4 import java.io.FileInputStream;
5 import java.io.FileOutputStream;
6 import java.io.IOException;
7 import java.io.InputStream;
8 import java.io.OutputStream;
9 import java.io.UnsupportedEncodingException;
10 import java.util.ArrayList;
12 import javax.xml.parsers.DocumentBuilder;
13 import javax.xml.parsers.DocumentBuilderFactory;
14 import javax.xml.parsers.ParserConfigurationException;
15 import javax.xml.transform.OutputKeys;
16 import javax.xml.transform.Transformer;
17 import javax.xml.transform.TransformerException;
18 import javax.xml.transform.TransformerFactory;
19 import javax.xml.transform.dom.DOMSource;
20 import javax.xml.transform.stream.StreamResult;
22 import net.sourceforge.phpeclipse.IPreferenceConstants;
23 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
24 import net.sourceforge.phpeclipse.phpeditor.php.PHPConstant;
25 import net.sourceforge.phpeclipse.phpeditor.php.PHPElement;
26 import net.sourceforge.phpeclipse.phpeditor.php.PHPFunction;
27 import net.sourceforge.phpeclipse.phpeditor.php.PHPKeyword;
28 import net.sourceforge.phpeclipse.phpeditor.php.PHPType;
30 import org.eclipse.core.runtime.CoreException;
31 import org.eclipse.core.runtime.IPath;
32 import org.eclipse.core.runtime.IStatus;
33 import org.eclipse.jface.preference.IPreferenceStore;
34 import org.w3c.dom.Attr;
35 import org.w3c.dom.Document;
36 import org.w3c.dom.NamedNodeMap;
37 import org.w3c.dom.Node;
38 import org.w3c.dom.NodeList;
39 import org.w3c.dom.Text;
40 import org.xml.sax.InputSource;
41 import org.xml.sax.SAXException;
42 import org.xml.sax.SAXParseException;
45 * <code>PHPSyntaxRdr</code> reads PHP specifics from an XML file (eg. keywords)
48 public class PHPSyntaxRdr {
49 private static final String PHPDEFAULT_FILE = "default-phpsyntax.xml"; //$NON-NLS-1$
50 private static final String PHPSYNTAX_FILE = "phpsyntax.xml"; //$NON-NLS-1$
51 private static final String USERSYNTAX_FILE = "usersyntax.xml"; //$NON-NLS-1$
52 private static final String USERDEFAULT_FILE = "default-usersyntax.xml"; //$NON-NLS-1$
53 private static final String PHPSYNTAX_TAG = "phpsyntax"; //$NON-NLS-1$
54 private static final String KEYWORD_ATTR = "keyword"; //$NON-NLS-1$
55 private static final String TYPE_ATTR = "type"; //$NON-NLS-1$
56 private static final String CONSTANT_ATTR = "constant"; //$NON-NLS-1$
57 private static final String FN_ATTR = "function"; //$NON-NLS-1$
58 private static final String USAGE_ATTR = "usage"; //$NON-NLS-1$
59 private static final String TOKENVAL_ATTR = "tokenval"; //$NON-NLS-1$
60 private static IPreferenceStore store;
61 private static boolean hasXMLFileBeenRead = true;
63 //The following variable is used to hold the syntax from
64 //the suers custom file - if that file should be changed,
65 //then all entries in this variable should be removed from
66 //the word list, reread from the file and then reinserted.
67 private static ArrayList userdefsyntaxdata;
69 private static ArrayList syntaxdata;
71 public PHPSyntaxRdr() {
72 // see getSyntaxData()
74 store = PHPeclipsePlugin.getDefault().getPreferenceStore();
77 public static void readInSyntax() {
79 hasXMLFileBeenRead = true;
80 /*Attempt to read the syntax file from the metadata
81 * if this does not work, create metadata from default*/
82 File syntaxFile = getSyntaxFile();
83 if (syntaxFile.exists()) {
84 readFromFile(syntaxFile);
86 readFromStream(PHPSyntaxRdr.class.getResourceAsStream(PHPSYNTAX_FILE));
87 saveToFile(syntaxFile);
89 /*Read the user-defined syntax file if it exists*/
90 //String buffer = new String(store.getString(PHPeclipsePlugin.PHP_USERDEF_XMLFILE));
92 store = PHPeclipsePlugin.getDefault().getPreferenceStore();
93 String buffer = new String(store.getString(IPreferenceConstants.PHP_USERDEF_XMLFILE));
94 if (!(buffer.equals("") || buffer == null)) {
97 } catch (CoreException ce) {
102 public static void readFromFile(String filename) {
104 readFromFile(new File(filename));
105 } catch (CoreException e) {
109 public static void readFromFile(File file) throws CoreException {
110 InputStream stream = null;
114 stream = new FileInputStream(file);
115 readFromStream(stream);
116 } catch (IOException e) {
117 throwReadException(e);
120 if (stream != null) {
123 } catch (IOException e) {
128 public static void readFromStream(InputStream stream) throws CoreException {
130 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
131 DocumentBuilder parser = factory.newDocumentBuilder();
132 org.apache.crimson.parser.Parser2 pp;
133 Document document = parser.parse(new InputSource(stream));
134 // Read in the Standard PHPSyntax "stuff"
135 NodeList elements = document.getElementsByTagName(PHPSYNTAX_TAG);
137 int count = elements.getLength();
138 for (int i = 0; i != count; i++) {
139 Node node = elements.item(i);
140 NamedNodeMap attributes = node.getAttributes();
142 if (attributes == null)
145 String Keyword = getAttributeValue(attributes, KEYWORD_ATTR);
146 String Type = getAttributeValue(attributes, TYPE_ATTR);
147 String Function = getAttributeValue(attributes, FN_ATTR);
148 String Constant = getAttributeValue(attributes, CONSTANT_ATTR);
149 String usage = getAttributeValue(attributes, USAGE_ATTR);
150 String Tokenval = getAttributeValue(attributes, TOKENVAL_ATTR);
152 StringBuffer buffer = new StringBuffer();
153 NodeList children = node.getChildNodes();
154 for (int j = 0; j != children.getLength(); j++) {
155 String value = children.item(j).getNodeValue();
157 buffer.append(value);
159 String description = buffer.toString().trim();
161 if (Keyword == null && Type == null && Function == null && Constant == null) {
162 //ignore as it is not a valid phpsyntax tag
164 if (Keyword != null) {
165 syntaxdata.add(new PHPKeyword(Keyword, usage, Tokenval));
166 } else if (Type != null) {
167 syntaxdata.add(new PHPType(Type, usage));
168 } else if (Function != null) {
169 syntaxdata.add(new PHPFunction(Function, usage, description));
170 } else if (Constant != null) {
171 syntaxdata.add(new PHPConstant(Constant, usage));
175 } catch (ParserConfigurationException e) {
176 throwReadException(e);
177 } catch (IOException e) {
178 throwReadException(e);
179 } catch (SAXParseException e) {
180 System.out.println("SAXParseException in line:"+e.getLineNumber()+" column:"+e.getColumnNumber());
181 throwReadException(e);
182 } catch (SAXException e) {
183 throwReadException(e);
187 public static ArrayList getSyntaxData() {
188 if (syntaxdata == null) {
189 syntaxdata = new ArrayList();
195 public static void replaceUserDefFile() {
196 /*Replace the user-defined syntax file if it exists*/
197 String buffer = new String(store.getString(IPreferenceConstants.PHP_USERDEF_XMLFILE));
198 if (!buffer.equals("") || buffer == null) {
199 readFromFile(buffer);
203 public static ArrayList getUserSyntaxData() {
204 return userdefsyntaxdata;
207 private static File getSyntaxFile() {
208 IPath path = PHPeclipsePlugin.getDefault().getStateLocation();
209 path = path.append(PHPSYNTAX_FILE);
210 return path.toFile();
213 private static String getAttributeValue(NamedNodeMap attributes, String name) {
214 Node node = attributes.getNamedItem(name);
215 return node == null ? null : node.getNodeValue();
218 public static void saveToFile(File file) throws CoreException {
219 OutputStream stream = null;
221 stream = new FileOutputStream(file);
222 saveToStream(stream);
223 } catch (IOException e) {
224 throwWriteException(e);
229 } catch (IOException e) {
234 public static void saveToStream(OutputStream stream) throws CoreException {
236 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
237 DocumentBuilder builder = factory.newDocumentBuilder();
238 Document document = builder.newDocument();
239 Node root = document.createElement("PHPStandardSyntax"); // $NON-NLS-1$ //$NON-NLS-1$
240 document.appendChild(root);
241 for (int i = 0; i != syntaxdata.size(); i++) {
242 Object bufferobj = (Object) syntaxdata.get(i);
244 Node node = document.createElement(PHPSYNTAX_TAG); // $NON-NLS-1$ //$NON-NLS-1$
245 root.appendChild(node);
246 NamedNodeMap attributes = node.getAttributes();
247 if (bufferobj instanceof PHPType)
248 name = document.createAttribute(TYPE_ATTR);
249 if (bufferobj instanceof PHPKeyword)
250 name = document.createAttribute(KEYWORD_ATTR);
251 if (bufferobj instanceof PHPFunction)
252 name = document.createAttribute(FN_ATTR);
253 if (bufferobj instanceof PHPConstant)
254 name = document.createAttribute(CONSTANT_ATTR);
255 name.setValue(((PHPElement) bufferobj).getName());
256 attributes.setNamedItem(name);
257 Attr description = document.createAttribute(USAGE_ATTR);
258 description.setValue(((PHPElement) bufferobj).getUsage());
259 attributes.setNamedItem(description);
260 if (bufferobj instanceof PHPKeyword) {
261 Attr tokenval = document.createAttribute(TOKENVAL_ATTR);
262 tokenval.setValue((new Integer(((PHPKeyword) bufferobj).gettokenval())).toString());
263 attributes.setNamedItem(tokenval);
265 if (bufferobj instanceof PHPFunction) {
266 // Attr usage = document.createAttribute(USAGE_ATTR);
267 Text usage = document.createTextNode(((PHPFunction) bufferobj).getDescription());
268 node.appendChild(usage);
269 // usage.setValue(((PHPFunction) bufferobj).getUsage());
270 // attributes.setNamedItem(usage);
273 Transformer transformer=TransformerFactory.newInstance().newTransformer();
274 transformer.setOutputProperty(OutputKeys.METHOD, "xml"); //$NON-NLS-1$
275 transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); //$NON-NLS-1$
276 DOMSource source = new DOMSource(document);
277 StreamResult result = new StreamResult(stream);
279 transformer.transform(source, result);
281 } catch (ParserConfigurationException e) {
282 throwWriteException(e);
283 } catch (TransformerException e) {
284 throwWriteException(e);
286 // OutputFormat format = new OutputFormat();
287 // format.setPreserveSpace(true);
289 // Serializer serializer = SerializerFactory.getSerializerFactory("xml").makeSerializer(stream, format);
290 // serializer.asDOMSerializer().serialize(document);
291 // } catch (UnsupportedEncodingException e) {
292 // } catch (IOException e) {
294 // // Serializer serializer = SerializerFactory.getSerializer().makeSerializer(stream, format); //$NON-NLS-1$
295 // } catch (ParserConfigurationException e) {
296 // throwWriteException(e);
300 private static void throwReadException(Throwable t) throws CoreException {
301 PHPeclipsePlugin.log(t);
304 private static void throwWriteException(Throwable t) throws CoreException {
305 PHPeclipsePlugin.log(t);