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   1 /*
   2  * (c) Copyright IBM Corp. 2000, 2001.
   3  * All Rights Reserved.
   4  */
   5 package net.sourceforge.phpdt.internal.corext.codemanipulation;
   6
   7 import java.util.ArrayList;
   8 import java.util.Arrays;
   9 import java.util.List;
  10
  11 import org.eclipse.swt.SWT;
  12
  13 import org.eclipse.jface.text.BadLocationException;
  14 import org.eclipse.jface.text.IDocument;
  15
  16 //import org.phpeclipse.phpdt.core.Flags;
  17 //import org.phpeclipse.phpdt.core.IBuffer;
  18 import net.sourceforge.phpdt.core.ICodeFormatter;
  19 //import org.phpeclipse.phpdt.core.ICompilationUnit;
  20 //import org.phpeclipse.phpdt.core.IJavaElement;
  21 //import org.phpeclipse.phpdt.core.IJavaProject;
  22 //import org.phpeclipse.phpdt.core.IMethod;
  23 //import org.phpeclipse.phpdt.core.IParent;
  24 //import org.phpeclipse.phpdt.core.ISourceReference;
  25 //import org.phpeclipse.phpdt.core.IType;
  26 //import org.phpeclipse.phpdt.core.ITypeHierarchy;
  27 import net.sourceforge.phpeclipse.PHPCore;
  28 //import org.phpeclipse.phpdt.core.JavaModelException;
  29 //import org.phpeclipse.phpdt.core.Signature;
  30 import net.sourceforge.phpdt.core.ToolFactory;
  31
  32 //import net.sourceforge.phpdt.internal.corext.util.CodeFormatterUtil;
  33 //import net.sourceforge.phpdt.internal.corext.util.JavaModelUtil;
  34 import net.sourceforge.phpdt.internal.corext.util.Strings;
  35
  36 public class StubUtility {
  37
  38
  39 //      public static class GenStubSettings extends CodeGenerationSettings {
  40 //
  41 //              public boolean callSuper;
  42 //              public boolean methodOverwrites;
  43 //              public boolean noBody;
  44 //
  45 //              public GenStubSettings(CodeGenerationSettings settings) {
  46 //                      settings.setSettings(this);
  47 //              }
  48 //
  49 //              public GenStubSettings() {
  50 //              }
  51 //
  52 //      }
  53 //
  54 //
  55 //      /**
  56 //       * Generates a stub. Given a template method, a stub with the same signature
  57 //       * will be constructed so it can be added to a type.
  58 //       * @param destTypeName The name of the type to which the method will be added to (Used for the constructor)
  59 //       * @param method A method template (method belongs to different type than the parent)
  60 //       * @param options Options as defined above (<code>GenStubSettings</code>)
  61 //       * @param imports Imports required by the stub are added to the imports structure. If imports structure is <code>null</code>
  62 //       * all type names are qualified.
  63 //       * @throws JavaModelException
  64 //       */
  65 //      public static String genStub(String destTypeName, IMethod method, GenStubSettings settings, IImportsStructure imports) throws JavaModelException {
  66 //              IType declaringtype= method.getDeclaringType();
  67 //              StringBuffer buf= new StringBuffer();
  68 //              String methodName= method.getElementName();
  69 //              String[] paramTypes= method.getParameterTypes();
  70 //              String[] paramNames= method.getParameterNames();
  71 //              String[] excTypes= method.getExceptionTypes();
  72 //              String retTypeSig= method.getReturnType();
  73 //              int flags= method.getFlags();
  74 //              boolean isConstructor= method.isConstructor();
  75 //
  76 //              int lastParam= paramTypes.length -1;
  77 //
  78 //
  79 //              if (settings.createComments) {
  80 //                      if (isConstructor) {
  81 //                              String desc= "Constructor for " + destTypeName; //$NON-NLS-1$
  82 //                              genJavaDocStub(desc, paramNames, Signature.SIG_VOID, excTypes, buf);
  83 //                      } else {
  84 //                              // php doc
  85 //                              if (settings.methodOverwrites) {
  86 //                                      boolean isDeprecated= Flags.isDeprecated(flags);
  87 //                                      genJavaDocSeeTag(declaringtype, methodName, paramTypes, settings.createNonJavadocComments, isDeprecated, buf);
  88 //                              } else {
  89 //                                      // generate a default php doc comment
  90 //                                      String desc= "Method " + methodName; //$NON-NLS-1$
  91 //                                      genJavaDocStub(desc, paramNames, retTypeSig, excTypes, buf);
  92 //                              }
  93 //                      }
  94 //                      buf.append('\n');
  95 //              }
  96 //
  97 //              if (Flags.isPublic(flags) || isConstructor || (declaringtype.isInterface() && !settings.noBody)) {
  98 //                      buf.append("public "); //$NON-NLS-1$
  99 //              } else if (Flags.isProtected(flags)) {
 100 //                      buf.append("protected "); //$NON-NLS-1$
 101 //              } else if (Flags.isPrivate(flags)) {
 102 //                      buf.append("private "); //$NON-NLS-1$
 103 //              }
 104 //              if (Flags.isSynchronized(flags)) {
 105 //                      buf.append("synchronized "); //$NON-NLS-1$
 106 //              }
 107 //              if (Flags.isVolatile(flags)) {
 108 //                      buf.append("volatile "); //$NON-NLS-1$
 109 //              }
 110 //              if (Flags.isStrictfp(flags)) {
 111 //                      buf.append("strictfp "); //$NON-NLS-1$
 112 //              }
 113 //              if (Flags.isStatic(flags)) {
 114 //                      buf.append("static "); //$NON-NLS-1$
 115 //              }
 116 //
 117 //              if (isConstructor) {
 118 //                      buf.append(destTypeName);
 119 //              } else {
 120 //                      String retTypeFrm;
 121 //                      if (!isPrimitiveType(retTypeSig)) {
 122 //                              retTypeFrm= resolveAndAdd(retTypeSig, declaringtype, imports);
 123 //                      } else {
 124 //                              retTypeFrm= Signature.toString(retTypeSig);
 125 //                      }
 126 //                      buf.append(retTypeFrm);
 127 //                      buf.append(' ');
 128 //                      buf.append(methodName);
 129 //              }
 130 //              buf.append('(');
 131 //              for (int i= 0; i <= lastParam; i++) {
 132 //                      String paramTypeSig= paramTypes[i];
 133 //                      String paramTypeFrm;
 134 //
 135 //                      if (!isPrimitiveType(paramTypeSig)) {
 136 //                              paramTypeFrm= resolveAndAdd(paramTypeSig, declaringtype, imports);
 137 //                      } else {
 138 //                              paramTypeFrm= Signature.toString(paramTypeSig);
 139 //                      }
 140 //                      buf.append(paramTypeFrm);
 141 //                      buf.append(' ');
 142 //                      buf.append(paramNames[i]);
 143 //                      if (i < lastParam) {
 144 //                              buf.append(", "); //$NON-NLS-1$
 145 //                      }
 146 //              }
 147 //              buf.append(')');
 148 //
 149 //              int lastExc= excTypes.length - 1;
 150 //              if (lastExc >= 0) {
 151 //                      buf.append(" throws "); //$NON-NLS-1$
 152 //                      for (int i= 0; i <= lastExc; i++) {
 153 //                              String excTypeSig= excTypes[i];
 154 //                              String excTypeFrm= resolveAndAdd(excTypeSig, declaringtype, imports);
 155 //                              buf.append(excTypeFrm);
 156 //                              if (i < lastExc) {
 157 //                                      buf.append(", "); //$NON-NLS-1$
 158 //                              }
 159 //                      }
 160 //              }
 161 //              if (settings.noBody) {
 162 //                      buf.append(";\n\n"); //$NON-NLS-1$
 163 //              } else {
 164 //                      buf.append(" {\n\t"); //$NON-NLS-1$
 165 //                      if (!settings.callSuper) {
 166 //                              if (retTypeSig != null && !retTypeSig.equals(Signature.SIG_VOID)) {
 167 //                                      buf.append('\t');
 168 //                                      if (!isPrimitiveType(retTypeSig) || Signature.getArrayCount(retTypeSig) > 0) {
 169 //                                              buf.append("return null;\n\t"); //$NON-NLS-1$
 170 //                                      } else if (retTypeSig.equals(Signature.SIG_BOOLEAN)) {
 171 //                                              buf.append("return false;\n\t"); //$NON-NLS-1$
 172 //                                      } else {
 173 //                                              buf.append("return 0;\n\t"); //$NON-NLS-1$
 174 //                                      }
 175 //                              }
 176 //                      } else {
 177 //                              buf.append('\t');
 178 //                              if (!isConstructor) {
 179 //                                      if (!Signature.SIG_VOID.equals(retTypeSig)) {
 180 //                                              buf.append("return "); //$NON-NLS-1$
 181 //                                      }
 182 //                                      buf.append("super."); //$NON-NLS-1$
 183 //                                      buf.append(methodName);
 184 //                              } else {
 185 //                                      buf.append("super"); //$NON-NLS-1$
 186 //                              }
 187 //                              buf.append('(');
 188 //                              for (int i= 0; i <= lastParam; i++) {
 189 //                                      buf.append(paramNames[i]);
 190 //                                      if (i < lastParam) {
 191 //                                              buf.append(", "); //$NON-NLS-1$
 192 //                                      }
 193 //                              }
 194 //                              buf.append(");\n\t"); //$NON-NLS-1$
 195 //                      }
 196 //                      buf.append("}\n");                       //$NON-NLS-1$
 197 //              }
 198 //              return buf.toString();
 199 //      }
 200 //
 201 //      private static boolean isSet(int options, int flag) {
 202 //              return (options & flag) != 0;
 203 //      }
 204 //
 205 //      private static boolean isPrimitiveType(String typeName) {
 206 //              char first= Signature.getElementType(typeName).charAt(0);
 207 //              return (first != Signature.C_RESOLVED && first != Signature.C_UNRESOLVED);
 208 //      }
 209 //
 210 //      private static String resolveAndAdd(String refTypeSig, IType declaringType, IImportsStructure imports) throws JavaModelException {
 211 //              String resolvedTypeName= JavaModelUtil.getResolvedTypeName(refTypeSig, declaringType);
 212 //              if (resolvedTypeName != null) {
 213 //                      StringBuffer buf= new StringBuffer();
 214 //                      if (imports != null) {
 215 //                              buf.append(imports.addImport(resolvedTypeName));
 216 //                      } else {
 217 //                              buf.append(resolvedTypeName);
 218 //                      }
 219 //                      int arrayCount= Signature.getArrayCount(refTypeSig);
 220 //                      for (int i= 0; i < arrayCount; i++) {
 221 //                              buf.append("[]"); //$NON-NLS-1$
 222 //                      }
 223 //                      return buf.toString();
 224 //              }
 225 //              return Signature.toString(refTypeSig);
 226 //      }
 227 //
 228 //      /**
 229 //       * Generates a default JavaDoc comment stub for a method.
 230 //       */
 231 //      public static void genJavaDocStub(String descr, String[] paramNames, String retTypeSig, String[] excTypeSigs, StringBuffer buf) {
 232 //              buf.append("/**\n"); //$NON-NLS-1$
 233 //              buf.append(" * "); buf.append(descr); buf.append(".\n"); //$NON-NLS-2$ //$NON-NLS-1$
 234 //              for (int i= 0; i < paramNames.length; i++) {
 235 //                      buf.append(" * @param "); buf.append(paramNames[i]); buf.append('\n'); //$NON-NLS-1$
 236 //              }
 237 //              if (retTypeSig != null && !retTypeSig.equals(Signature.SIG_VOID)) {
 238 //                      String simpleName= Signature.getSimpleName(Signature.toString(retTypeSig));
 239 //                      buf.append(" * @return "); buf.append(simpleName); buf.append('\n'); //$NON-NLS-1$
 240 //              }
 241 //              if (excTypeSigs != null) {
 242 //                      for (int i= 0; i < excTypeSigs.length; i++) {
 243 //                              String simpleName= Signature.getSimpleName(Signature.toString(excTypeSigs[i]));
 244 //                              buf.append(" * @throws "); buf.append(simpleName); buf.append('\n'); //$NON-NLS-1$
 245 //                      }
 246 //              }
 247 //              buf.append(" */"); //$NON-NLS-1$
 248 //      }
 249 //
 250 //      /**
 251 //       * Generates a '@see' tag to the defined method.
 252 //       */
 253 //      public static void genJavaDocSeeTag(IType declaringType, String methodName, String[] paramTypes, boolean nonJavaDocComment, boolean isDeprecated, StringBuffer buf) throws JavaModelException {
 254 //              String[] fullParamNames= new String[paramTypes.length];
 255 //              for (int i= 0; i < paramTypes.length; i++) {
 256 //                      fullParamNames[i]= JavaModelUtil.getResolvedTypeName(paramTypes[i], declaringType);
 257 //              }
 258 //              String fullTypeName= JavaModelUtil.getFullyQualifiedName(declaringType);
 259 //
 260 //              genJavaDocSeeTag(fullTypeName, methodName, fullParamNames, nonJavaDocComment, isDeprecated, buf);
 261 //      }
 262 //
 263 //      /**
 264 //       * Generates a '@see' tag to the defined method.
 265 //       */
 266 //      public static void genJavaDocSeeTag(String fullyQualifiedTypeName, String methodName, String[] fullParamTypeNames, boolean nonJavaDocComment, boolean isDeprecated, StringBuffer buf) throws JavaModelException {
 267 //              // create a @see link
 268 //              buf.append("/*"); //$NON-NLS-1$
 269 //              if (!nonJavaDocComment) {
 270 //                      buf.append('*');
 271 //              } else {
 272 //                      buf.append(" (non-Javadoc)"); //$NON-NLS-1$
 273 //              }
 274 //              buf.append("\n * @see "); //$NON-NLS-1$
 275 //              buf.append(fullyQualifiedTypeName);
 276 //              buf.append('#');
 277 //              buf.append(methodName);
 278 //              buf.append('(');
 279 //              for (int i= 0; i < fullParamTypeNames.length; i++) {
 280 //                      if (i > 0) {
 281 //                              buf.append(", "); //$NON-NLS-1$
 282 //                      }
 283 //                      buf.append(fullParamTypeNames[i]);
 284 //              }
 285 //              buf.append(")\n"); //$NON-NLS-1$
 286 //              if (isDeprecated) {
 287 //                      buf.append(" * @deprecated\n"); //$NON-NLS-1$
 288 //              }
 289 //              buf.append(" */"); //$NON-NLS-1$
 290 //      }
 291 //
 292 //
 293 //
 294 //      /**
 295 //       * Finds a method in a list of methods.
 296 //       * @return The found method or null, if nothing found
 297 //       */
 298 //      private static IMethod findMethod(IMethod method, List allMethods) throws JavaModelException {
 299 //              String name= method.getElementName();
 300 //              String[] paramTypes= method.getParameterTypes();
 301 //              boolean isConstructor= method.isConstructor();
 302 //
 303 //              for (int i= allMethods.size() - 1; i >= 0; i--) {
 304 //                      IMethod curr= (IMethod) allMethods.get(i);
 305 //                      if (JavaModelUtil.isSameMethodSignature(name, paramTypes, isConstructor, curr)) {
 306 //                              return curr;
 307 //                      }
 308 //              }
 309 //              return null;
 310 //      }
 311
 312
 313         /**
 314          * Creates needed constructors for a type.
 315          * @param type The type to create constructors for
 316          * @param supertype The type's super type
 317          * @param settings Options for comment generation
 318          * @param imports Required imports are added to the import structure. Structure can be <code>null</code>, types are qualified then.
 319          * @return Returns the generated stubs or <code>null</code> if the creation has been canceled
 320          */
 321 //      public static String[] evalConstructors(IType type, IType supertype, CodeGenerationSettings settings, IImportsStructure imports) throws JavaModelException {
 322 //              IMethod[] superMethods= supertype.getMethods();
 323 //              String typeName= type.getElementName();
 324 //              IMethod[] methods= type.getMethods();
 325 //              GenStubSettings genStubSettings= new GenStubSettings(settings);
 326 //              genStubSettings.callSuper= true;
 327 //              ArrayList newMethods= new ArrayList(superMethods.length);
 328 //              for (int i= 0; i < superMethods.length; i++) {
 329 //                      IMethod curr= superMethods[i];
 330 //                      if (curr.isConstructor() && (JavaModelUtil.isVisible(curr, type.getPackageFragment()) || Flags.isProtected(curr.getFlags()))) {
 331 //                              if (JavaModelUtil.findMethod(typeName, curr.getParameterTypes(), true, methods) == null) {
 332 //                                      String newStub= genStub(typeName, superMethods[i], genStubSettings, imports);
 333 //                                      newMethods.add(newStub);
 334 //                              }
 335 //                      }
 336 //              }
 337 //              return (String[]) newMethods.toArray(new String[newMethods.size()]);
 338 //      }
 339 //
 340 //      /**
 341 //       * Searches for unimplemented methods of a type.
 342 //       * @param isSubType If set, the evaluation is for a subtype of the given type. If not set, the
 343 //       * evaluation is for the type itself.
 344 //       * @param settings Options for comment generation
 345 //       * @param selectionQuery If not null will select the methods to implement.
 346 //       * @param imports Required imports are added to the import structure. Structure can be <code>null</code>, types are qualified then.
 347 //       * @return Returns the generated stubs or <code>null</code> if the creation has been canceled
 348 //       */
 349 //      public static String[] evalUnimplementedMethods(IType type, ITypeHierarchy hierarchy, boolean isSubType, CodeGenerationSettings settings,
 350 //                              IOverrideMethodQuery selectionQuery, IImportsStructure imports) throws JavaModelException {
 351 //              List allMethods= new ArrayList();
 352 //              List toImplement= new ArrayList();
 353 //
 354 //              IMethod[] typeMethods= type.getMethods();
 355 //              for (int i= 0; i < typeMethods.length; i++) {
 356 //                      IMethod curr= typeMethods[i];
 357 //                      if (!curr.isConstructor() && !Flags.isStatic(curr.getFlags()) && !Flags.isPrivate(curr.getFlags())) {
 358 //                              allMethods.add(curr);
 359 //                      }
 360 //              }
 361 //
 362 //              IType[] superTypes= hierarchy.getAllSuperclasses(type);
 363 //              for (int i= 0; i < superTypes.length; i++) {
 364 //                      IMethod[] methods= superTypes[i].getMethods();
 365 //                      for (int k= 0; k < methods.length; k++) {
 366 //                              IMethod curr= methods[k];
 367 //                              if (!curr.isConstructor() && !Flags.isStatic(curr.getFlags()) && !Flags.isPrivate(curr.getFlags())) {
 368 //                                      if (findMethod(curr, allMethods) == null) {
 369 //                                              allMethods.add(curr);
 370 //                                      }
 371 //                              }
 372 //                      }
 373 //              }
 374 //
 375 //              // do not call super
 376 //              for (int i= 0; i < allMethods.size(); i++) {
 377 //                      IMethod curr= (IMethod) allMethods.get(i);
 378 //                      if ((Flags.isAbstract(curr.getFlags()) || curr.getDeclaringType().isInterface()) && (isSubType || !type.equals(curr.getDeclaringType()))) {
 379 //                              // implement all abstract methods
 380 //                              toImplement.add(curr);
 381 //                      }
 382 //              }
 383 //
 384 //              IType[] superInterfaces= hierarchy.getAllSuperInterfaces(type);
 385 //              for (int i= 0; i < superInterfaces.length; i++) {
 386 //                      IMethod[] methods= superInterfaces[i].getMethods();
 387 //                      for (int k= 0; k < methods.length; k++) {
 388 //                              IMethod curr= methods[k];
 389 //
 390 //                              // binary interfaces can contain static initializers (variable intializations)
 391 //                              // 1G4CKUS
 392 //                              if (!Flags.isStatic(curr.getFlags())) {
 393 //                                      IMethod impl= findMethod(curr, allMethods);
 394 //                                      if (impl == null || ((curr.getExceptionTypes().length < impl.getExceptionTypes().length) && !Flags.isFinal(impl.getFlags()))) {
 395 //                                              if (impl != null) {
 396 //                                                      allMethods.remove(impl);
 397 //                                              }
 398 //                                              // implement an interface method when it does not exist in the hierarchy
 399 //                                              // or when it throws less exceptions that the implemented
 400 //                                              toImplement.add(curr);
 401 //                                              allMethods.add(curr);
 402 //                                      }
 403 //                              }
 404 //                      }
 405 //              }
 406 //              IMethod[] toImplementArray= (IMethod[]) toImplement.toArray(new IMethod[toImplement.size()]);
 407 //              if (selectionQuery != null) {
 408 //                      if (!isSubType) {
 409 //                              allMethods.removeAll(Arrays.asList(typeMethods));
 410 //                      }
 411 //                      // remove finals
 412 //                      for (int i= allMethods.size() - 1; i >= 0; i--) {
 413 //                              IMethod curr= (IMethod) allMethods.get(i);
 414 //                              if (Flags.isFinal(curr.getFlags())) {
 415 //                                      allMethods.remove(i);
 416 //                              }
 417 //                      }
 418 //                      IMethod[] choice= (IMethod[]) allMethods.toArray(new IMethod[allMethods.size()]);
 419 //                      toImplementArray= selectionQuery.select(choice, toImplementArray, hierarchy);
 420 //                      if (toImplementArray == null) {
 421 //                              //cancel pressed
 422 //                              return null;
 423 //                      }
 424 //              }
 425 //              GenStubSettings genStubSettings= new GenStubSettings(settings);
 426 //              genStubSettings.methodOverwrites= true;
 427 //              String[] result= new String[toImplementArray.length];
 428 //              for (int i= 0; i < toImplementArray.length; i++) {
 429 //                      IMethod curr= toImplementArray[i];
 430 //                      IMethod overrides= JavaModelUtil.findMethodImplementationInHierarchy(hierarchy, type, curr.getElementName(), curr.getParameterTypes(), curr.isConstructor());
 431 //                      genStubSettings.callSuper= (overrides != null);
 432 //
 433 //                      IMethod desc= JavaModelUtil.findMethodDeclarationInHierarchy(hierarchy, type, curr.getElementName(), curr.getParameterTypes(), curr.isConstructor());
 434 //                      if (desc != null) {
 435 //                              curr= desc;
 436 //                      }
 437 //                      result[i]= genStub(type.getElementName(), curr, genStubSettings, imports);
 438 //              }
 439 //              return result;
 440 //      }
 441
 442         /**
 443          * Examines a string and returns the first line delimiter found.
 444          */
 445 //      public static String getLineDelimiterUsed(IJavaElement elem) throws JavaModelException {
 446 //              ICompilationUnit cu= (ICompilationUnit) elem.getAncestor(IJavaElement.COMPILATION_UNIT);
 447 //              if (cu != null && cu.exists()) {
 448 //                      IBuffer buf= cu.getBuffer();
 449 //                      int length= buf.getLength();
 450 //                      for (int i= 0; i < length; i++) {
 451 //                              char ch= buf.getChar(i);
 452 //                              if (ch == SWT.CR) {
 453 //                                      if (i + 1 < length) {
 454 //                                              if (buf.getChar(i + 1) == SWT.LF) {
 455 //                                                      return "\r\n"; //$NON-NLS-1$
 456 //                                              }
 457 //                                      }
 458 //                                      return "\r"; //$NON-NLS-1$
 459 //                              } else if (ch == SWT.LF) {
 460 //                                      return "\n"; //$NON-NLS-1$
 461 //                              }
 462 //                      }
 463 //              }
 464 //              return System.getProperty("line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
 465 //      }
 466
 467         /**
 468          * Embodies the policy which line delimiter to use when inserting into
 469          * a document.
 470          */
 471         public static String getLineDelimiterFor(IDocument doc) {
 472                 // new for: 1GF5UU0: ITPJUI:WIN2000 - "Organize Imports" in php editor inserts lines in wrong format
 473                 String lineDelim= null;
 474                 try {
 475                         lineDelim= doc.getLineDelimiter(0);
 476                 } catch (BadLocationException e) {
 477                 }
 478                 if (lineDelim == null) {
 479                         String systemDelimiter= System.getProperty("line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
 480                         String[] lineDelims= doc.getLegalLineDelimiters();
 481                         for (int i= 0; i < lineDelims.length; i++) {
 482                                 if (lineDelims[i].equals(systemDelimiter)) {
 483                                         lineDelim= systemDelimiter;
 484                                         break;
 485                                 }
 486                         }
 487                         if (lineDelim == null) {
 488                                 lineDelim= lineDelims.length > 0 ? lineDelims[0] : systemDelimiter;
 489                         }
 490                 }
 491                 return lineDelim;
 492         }
 493
 494
 495         /**
 496          * Evaluates the indention used by a Java element. (in tabulators)
 497          */
 498 //      public static int getIndentUsed(IJavaElement elem) throws JavaModelException {
 499 //              if (elem instanceof ISourceReference) {
 500 //                      ICompilationUnit cu= (ICompilationUnit) elem.getAncestor(IJavaElement.COMPILATION_UNIT);
 501 //                      if (cu != null) {
 502 //                              IBuffer buf= cu.getBuffer();
 503 //                              int offset= ((ISourceReference)elem).getSourceRange().getOffset();
 504 //                              int i= offset;
 505 //                              // find beginning of line
 506 //                              while (i > 0 && !Strings.isLineDelimiterChar(buf.getChar(i - 1)) ){
 507 //                                      i--;
 508 //                              }
 509 //                              return Strings.computeIndent(buf.getText(i, offset - i), CodeFormatterUtil.getTabWidth());
 510 //                      }
 511 //              }
 512 //              return 0;
 513 //      }
 514
 515         public static String codeFormat(String sourceString, int initialIndentationLevel, String lineDelim) {
 516                 ICodeFormatter formatter= ToolFactory.createDefaultCodeFormatter(null);
 517                 return formatter.format(sourceString, initialIndentationLevel, null, lineDelim);
 518         }
 519
 520         /**
 521          * Returns the element after the give element.
 522          */
 523 //      public static IJavaElement findNextSibling(IJavaElement member) throws JavaModelException {
 524 //              IJavaElement parent= member.getParent();
 525 //              if (parent instanceof IParent) {
 526 //                      IJavaElement[] elements= ((IParent)parent).getChildren();
 527 //                      for (int i= elements.length - 2; i >= 0 ; i--) {
 528 //                              if (member.equals(elements[i])) {
 529 //                                      return elements[i+1];
 530 //                              }
 531 //                      }
 532 //              }
 533 //              return null;
 534 //      }
 535 //
 536 //      public static String getTodoTaskTag(IJavaProject project) {
 537 //              String markers= null;
 538 //              if (project == null) {
 539 //                      markers= JavaCore.getOption(JavaCore.COMPILER_TASK_TAGS);
 540 //              } else {
 541 //                      markers= project.getOption(JavaCore.COMPILER_TASK_TAGS, true);
 542 //              }
 543 //
 544 //              if (markers != null && markers.length() > 0) {
 545 //                      int idx= markers.indexOf(',');
 546 //                      if (idx == -1) {
 547 //                              return markers;
 548 //                      } else {
 549 //                              return markers.substring(0, idx);
 550 //                      }
 551 //              }
 552 //              return null;
 553 //      }
 554
 555 }