Changeset 317 for FCKdtd2js

Timestamp:

2007-05-19 14:13:37 (14 months ago)

Author:

johnnyege

Message:

- Separated XML definition parsers out from main code, and made them implement a common interface. This will make implementation of a Schema parser possible.
- Implemented support for URLs to DTD's.

Location:

FCKdtd2js/trunk

Files:

• . (modified) (1 prop)
• FCKdtd2js.jar (modified) (previous)
• _source (modified) (1 prop)
• _source/src/net/fckeditor/devutil/dtd/DTDJsGenerator.java (modified) (9 diffs)
• _source/src/net/fckeditor/devutil/dtd/WutkaDTDParser.java (added)
• _source/src/net/fckeditor/devutil/dtd/XmlDefinitionParser.java (added)

FCKdtd2js/trunk/_source/src/net/fckeditor/devutil/dtd/DTDJsGenerator.java

@@ -25 +25 @@
 import java.io.IOException;
 import java.io.PrintStream;
-import java.util.Collection;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.text.ParseException;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
@@ -37 +40 @@
 import java.util.TreeSet;
 
-import com.wutka.dtd.DTD;
-import com.wutka.dtd.DTDContainer;
-import com.wutka.dtd.DTDElement;
-import com.wutka.dtd.DTDEmpty;
-import com.wutka.dtd.DTDItem;
-import com.wutka.dtd.DTDName;
-import com.wutka.dtd.DTDPCData;
-import com.wutka.dtd.DTDParser;
-
 /**
  * Takes a DTD file as input, and produces a compressed JS map from it.
@@ -62 +56 @@
                 if(args.length < 1) writeHelp(System.out);
                 
-                // Create a file object.
-                File dtdFile = new File(args[0]);
-                if(!dtdFile.exists()) {
-                        System.err.println("Unable to locate DTD file ["+dtdFile.getPath()+"]");
-                        return;
+                // Prepare holder for URI.
+                URI dtdUri = null;
+                
+                // First test for file
+                File dtdFile = new File(args[0].trim());
+                if(dtdFile.exists()) {
+                        // Convert File to URI
+                        dtdUri = dtdFile.getAbsoluteFile().toURI();
+                }
+                else {
+                        // Try to parse as URI.
+                        try {
+                                dtdUri = new URI(args[0].trim());
+                                if(!dtdUri.isAbsolute()) {
+                                        System.err.println("URI is not absolute : " + args[0].trim());
+                                        return;
+                                }
+                        }
+                        catch(URISyntaxException e) {
+                                System.err.println("Unable to parse : " + args[0].trim());
+                                return;
+                        }
                 }
                 
@@ -81 +92 @@
                 // Create application instance, and execute the parsing.
                 try {
-                        DTDJsGenerator generator = new DTDJsGenerator(dtdFile, removeTags);
+                        DTDJsGenerator generator = new DTDJsGenerator(dtdUri, removeTags);
                         generator.run();
                 }
@@ -102 +113 @@
         //#####################################################################
         
-        protected File  _dtdFile;
+        protected URI   _dtdUri;
         protected Set   _removeTags;
         
@@ -111 +122 @@
          * @param removeTags The tags to use as root tags.
          */
-        public DTDJsGenerator(File dtdFile, Set removeTags) {
-                if(dtdFile == null || removeTags == null) throw new IllegalArgumentException("File parameter cannot be null.");
-                _dtdFile = dtdFile;
+        public DTDJsGenerator(URI dtdUri, Set removeTags) {
+                if(dtdUri == null || removeTags == null) throw new IllegalArgumentException("File parameter cannot be null.");
+                _dtdUri = dtdUri;
                 if(removeTags == null) removeTags = Collections.EMPTY_SET;
                 _removeTags = removeTags;
@@ -121 +132 @@
          * Runs the generator.
          */
-        public void run() throws IOException {
+        public void run() throws IOException, ParseException {
                 // Parse the DTD tree.
-                DTDParser parser = new DTDParser(_dtdFile);
-                DTD dtd = parser.parse();
-
-                // Create a group map.
-                Map<String,ElementGroup> groupMap = createElementGroupMap(dtd);
+                XmlDefinitionParser xmlDefParser = new WutkaDTDParser();
+                Map<String, ElementGroup> groupMap = xmlDefParser.parseXmlDefinition( _dtdUri );
                 
                 // Remove unwanted elements from the map.
@@ -144 +152 @@
                 
                 // Build Javascript from the DTD map.
-                String comment = "This file was automatically generated from the file: " + _dtdFile.getName();
+                String comment = "This file was automatically generated from : " + (new File(_dtdUri.getPath())).getName();
                 
                 ElementGroupMapJavascriptBuilder jsBuilder = new ElementGroupMapJavascriptBuilder();
@@ -300 +308 @@
         }
 
-        /**
-         * Creates a map over all elementgroups in the DTD.
-         * @param dtd The DTD to create map from
-         * @return The Map containing all elementgroups.
-         */
-        protected Map<String,ElementGroup> createElementGroupMap(DTD dtd) {
-                // Create a common empty group...
-                ElementGroup<String> emptyGroup = new ElementGroup<String>();
-                
-                // Create map containing the element groups.
-                Map<String,ElementGroup> resultMap = new HashMap<String,ElementGroup>();
-                // Get elements from DTD.
-                Collection elements = dtd.elements.values();
-                
-                // Loop through elements and register them.             
-                for(Iterator it = elements.iterator(); it.hasNext(); ) {
-                        DTDElement element = (DTDElement)it.next();
-                        
-                        // Check if element exists in nodemap.
-                        if(element.content instanceof DTDContainer) {
-                                
-                                //System.out.println("Container: " + element.name );
-                                
-                                // Create an element group to contain sub elements.
-                                ElementGroup<String> newGroup = new ElementGroup<String>();
-
-                                // Call recursive method to get all nodes.
-                                if(appendAllowedElementsRecursive((DTDContainer)element.content, newGroup)) {
-                                        // Add the group to the result map.
-                                        resultMap.put(element.name, newGroup);
-                                }
-                        }
-                        else
-                        if(element.content instanceof DTDEmpty){
-                                //System.out.println("Empty    : " +element.name);
-                                // Handle DTDEmpty
-                                resultMap.put(element.name, emptyGroup);
-                        }
-                }
-                
-                return resultMap;
-        }
-        
-        /**
-         * We need a recursive method in order to resolve all elements in a collection.
-         */
-        protected boolean appendAllowedElementsRecursive(DTDContainer col, ElementGroup<String> targetGroup) {
-                // Loop through allowed children.
-                DTDItem[] allowedChilds = col.getItems();
-                
-                boolean hasRealContent = false;
-                for(int i = 0; i < allowedChilds.length; i++) {
-                        // System.out.println(" - Allowed childs ["+col+"] : " + allowedChilds[i].getClass() );
-                        
-                        if(allowedChilds[i] instanceof DTDName) {
-                                targetGroup.add(((DTDName)allowedChilds[i]).value);
-                                hasRealContent = true;
-                        }
-                        else 
-                        if(allowedChilds[i] instanceof DTDContainer) {
-                                boolean recResult = appendAllowedElementsRecursive((DTDContainer)allowedChilds[i], targetGroup);
-                                hasRealContent = hasRealContent || recResult; 
-                        }
-                        else
-                        if(allowedChilds[i] instanceof DTDPCData) {
-                                targetGroup.add("#"); // Indicates that text is allowed.
-                                hasRealContent = true;
-                        }
-                        else
-                        if(allowedChilds[i] instanceof DTDEmpty) {
-                                hasRealContent = true;
-                        }
-                }
-                return hasRealContent;
-        }
-        
+
         
 }