Initial commit of the Doclet class

Author: pborissow

src/javaxt/utils/src/Doclet.java

@@ -0,0 +1,166 @@
+package javaxt.utils.src;
+
+import java.util.*;
+import javax.lang.model.SourceVersion;
+import jdk.javadoc.doclet.Reporter;
+import jdk.javadoc.doclet.DocletEnvironment;
+
+
+//******************************************************************************
+//**  Doclet Class
+//******************************************************************************
+/**
+ *   Custom doclet implementation that uses the Parser class instead of the
+ *   native java libraries to parse source files.
+ *
+ ******************************************************************************/
+
+public class Doclet implements jdk.javadoc.doclet.Doclet {
+    private String fileName;
+    private String directory;
+        
+    private boolean processArg(String opt, List<String> arguments){
+        if (opt.equals("-d")) directory = arguments.get(0);
+        if (opt.equals("-filename")) fileName = arguments.get(0);
+        return true;
+    }
+    
+    
+    @Override
+    public void init(Locale locale, Reporter reporter) {
+    }
+
+    @Override
+    public boolean run(DocletEnvironment docEnv) {
+        //System.out.println("directory: " + directory);
+        //System.out.println("fileName: " + fileName);
+        
+
+        HashSet<javaxt.io.File> files = new HashSet<>();
+        Iterator it = docEnv.getIncludedElements().iterator();
+        while (it.hasNext()){
+            Object obj = it.next(); //com.sun.tools.javac.code.Symbol$ClassSymbol
+
+          //Get classname
+            String className = obj.toString();
+            
+            
+          //Get path
+            String path = null;
+            try{
+                java.lang.reflect.Field field;
+                Object f;
+                
+              //Get sourcefile (DirectoryFileObject)
+                Object sourceFile = getFieldValue("sourcefile", obj);
+                //System.out.println("sourcefile: " + sourceFile);
+                
+                
+              //Get base path
+                Object basePath = getFieldValue("userPackageRootDir", sourceFile);
+                //System.out.println("userPackageRootDir: " + basePath);
+                javaxt.io.Directory dir = new javaxt.io.Directory(basePath.toString());
+                
+                
+              //Get relative path
+                Object relativePath = getFieldValue("relativePath", sourceFile);
+                //System.out.println("relativePath: " + relativePath);
+                field = relativePath.getClass().getSuperclass().getDeclaredField("path");
+                field.setAccessible(true);
+                f = field.get(relativePath);
+                //System.out.println("path: " + f);
+                path = dir + f.toString();
+                files.add(new javaxt.io.File(path));
+            }
+            catch(Throwable e){
+            }
+            
+            
+//            if (path!=null){
+//                System.out.println(className);
+//                System.out.println("path: " + path);
+//                System.out.println();
+//            }
+        }
+        
+        for (javaxt.io.File file : files){
+            //System.out.println(file);
+            try{
+                
+                ArrayList<Class> classes = new Parser(file).getClasses();
+                for (Class c : classes){
+                    //System.out.println(" - " + c.getName());
+                }
+            }
+            catch(Exception e){
+                System.err.println("Failed to parse " + file.getName(false));
+            }
+        }
+        
+        return true;
+    }
+    
+    
+    private Object getFieldValue(String fieldName, Object obj) throws Exception {
+        java.lang.reflect.Field field;
+        field = obj.getClass().getDeclaredField(fieldName);
+        field.setAccessible(true);
+        return field.get(obj);
+    }
+
+    @Override
+    public String getName() {
+        return "JavaXT Doclet";
+    }
+    
+    @Override
+    public SourceVersion getSupportedSourceVersion() {
+        return SourceVersion.latest();
+    }
+
+    @Override
+    public Set<? extends Option> getSupportedOptions() {
+        HashSet<Option> options = new HashSet<>();
+        options.add(createOption("-filename"));
+        options.add(createOption("-d"));
+        return options;
+    }    
+    
+    private Option createOption(String key){
+        return new Option() {
+            private final List<String> keys = Arrays.asList(
+                key
+            );
+
+            @Override
+            public int getArgumentCount() {
+                return 1;
+            }
+
+            @Override
+            public String getDescription() {
+                return "an option with aliases";
+            }
+
+            @Override
+            public Option.Kind getKind() {
+                return Option.Kind.STANDARD;
+            }
+
+            @Override
+            public List<String> getNames() {
+                return keys;
+            }
+
+            @Override
+            public String getParameters() {
+                return "file";
+            }
+
+            @Override
+            public boolean process(String opt, List<String> arguments) {
+                return processArg(opt, arguments);
+            }
+        };
+    }
+}