private void replaceIteratorNext(
     PsiElement element,
     String contentVariableName,
     String iteratorName,
     PsiElement childToSkip,
     StringBuilder out,
     PsiType contentType) {
   if (isIteratorNext(element, iteratorName, contentType)) {
     out.append(contentVariableName);
   } else {
     final PsiElement[] children = element.getChildren();
     if (children.length == 0) {
       final String text = element.getText();
       if (PsiKeyword.INSTANCEOF.equals(text) && out.charAt(out.length() - 1) != ' ') {
         out.append(' ');
       }
       out.append(text);
     } else {
       boolean skippingWhiteSpace = false;
       for (final PsiElement child : children) {
         if (child.equals(childToSkip)) {
           skippingWhiteSpace = true;
         } else if (child instanceof PsiWhiteSpace && skippingWhiteSpace) {
           // don't do anything
         } else {
           skippingWhiteSpace = false;
           replaceIteratorNext(
               child, contentVariableName, iteratorName, childToSkip, out, contentType);
         }
       }
     }
   }
 }
 private void replaceCollectionGetAccess(
     PsiElement element,
     String contentVariableName,
     PsiVariable listVariable,
     String indexName,
     PsiElement childToSkip,
     StringBuilder out) {
   if (isListGetLookup(element, indexName, listVariable)) {
     out.append(contentVariableName);
   } else {
     final PsiElement[] children = element.getChildren();
     if (children.length == 0) {
       final String text = element.getText();
       if (PsiKeyword.INSTANCEOF.equals(text) && out.charAt(out.length() - 1) != ' ') {
         out.append(' ');
       }
       out.append(text);
     } else {
       boolean skippingWhiteSpace = false;
       for (final PsiElement child : children) {
         if (child.equals(childToSkip)) {
           skippingWhiteSpace = true;
         } else if (child instanceof PsiWhiteSpace && skippingWhiteSpace) {
           // don't do anything
         } else {
           skippingWhiteSpace = false;
           replaceCollectionGetAccess(
               child, contentVariableName, listVariable, indexName, childToSkip, out);
         }
       }
     }
   }
 }
  @NotNull
  public static String shiftIndentInside(
      @NotNull String initial, final int i, boolean shiftEmptyLines) {
    StringBuilder result = new StringBuilder(initial.length());
    List<byte[]> lines;
    try {
      LineReader reader =
          new LineReader(new ByteArrayInputStream(initial.getBytes(CharsetToolkit.UTF8_CHARSET)));
      lines = reader.readLines();
    } catch (IOException e) {
      throw new RuntimeException(e);
    }

    boolean first = true;
    for (byte[] line : lines) {
      try {
        if (!first) result.append('\n');
        if (line.length > 0 || shiftEmptyLines) {
          StringUtil.repeatSymbol(result, ' ', i);
        }
        result.append(new String(line));
      } finally {
        first = false;
      }
    }

    return result.toString();
  }
示例#4
0
  @Override
  public String variableNameToPropertyName(String name, VariableKind variableKind) {
    if (variableKind == VariableKind.STATIC_FINAL_FIELD
        || variableKind == VariableKind.STATIC_FIELD && name.contains("_")) {
      StringBuilder buffer = new StringBuilder();
      for (int i = 0; i < name.length(); i++) {
        char c = name.charAt(i);
        if (c != '_') {
          if (Character.isLowerCase(c)) {
            return variableNameToPropertyNameInner(name, variableKind);
          }

          buffer.append(Character.toLowerCase(c));
          continue;
        }
        //noinspection AssignmentToForLoopParameter
        i++;
        if (i < name.length()) {
          c = name.charAt(i);
          buffer.append(c);
        }
      }
      return buffer.toString();
    }

    return variableNameToPropertyNameInner(name, variableKind);
  }
示例#5
0
 private void suggestNamesFromGenericParameters(
     final PsiType type,
     final VariableKind variableKind,
     final Collection<String> suggestions,
     boolean correctKeywords) {
   if (!(type instanceof PsiClassType)) {
     return;
   }
   StringBuilder fullNameBuilder = new StringBuilder();
   final PsiType[] parameters = ((PsiClassType) type).getParameters();
   for (PsiType parameter : parameters) {
     if (parameter instanceof PsiClassType) {
       final String typeName = normalizeTypeName(getTypeName(parameter));
       if (typeName != null) {
         fullNameBuilder.append(typeName);
       }
     }
   }
   String baseName = normalizeTypeName(getTypeName(type));
   if (baseName != null) {
     fullNameBuilder.append(baseName);
     ContainerUtil.addAll(
         suggestions,
         getSuggestionsByName(fullNameBuilder.toString(), variableKind, false, correctKeywords));
   }
 }
示例#6
0
 private static String constantValueToConstantName(final String[] names) {
   final StringBuilder result = new StringBuilder();
   for (int i = 0; i < names.length; i++) {
     if (i > 0) result.append("_");
     result.append(names[i]);
   }
   return result.toString();
 }
示例#7
0
  @Override
  public String propertyNameToVariableName(String propertyName, VariableKind variableKind) {
    if (variableKind == VariableKind.STATIC_FINAL_FIELD) {
      String[] words = NameUtil.nameToWords(propertyName);
      StringBuilder buffer = new StringBuilder();
      for (int i = 0; i < words.length; i++) {
        String word = words[i];
        if (i > 0) {
          buffer.append("_");
        }
        buffer.append(StringUtil.toUpperCase(word));
      }
      return buffer.toString();
    }

    String prefix = getPrefixByVariableKind(variableKind);
    String name = propertyName;
    if (!name.isEmpty() && !prefix.isEmpty() && !StringUtil.endsWithChar(prefix, '_')) {
      name = Character.toUpperCase(name.charAt(0)) + name.substring(1);
    }
    name = prefix + name + getSuffixByVariableKind(variableKind);
    name = changeIfNotIdentifier(name);
    return name;
  }
 @Nullable
 private String createListIterationText(@NotNull PsiForStatement forStatement) {
   final PsiBinaryExpression condition =
       (PsiBinaryExpression) ParenthesesUtils.stripParentheses(forStatement.getCondition());
   if (condition == null) {
     return null;
   }
   final PsiExpression lhs = ParenthesesUtils.stripParentheses(condition.getLOperand());
   if (lhs == null) {
     return null;
   }
   final PsiExpression rhs = ParenthesesUtils.stripParentheses(condition.getROperand());
   if (rhs == null) {
     return null;
   }
   final IElementType tokenType = condition.getOperationTokenType();
   final String indexName;
   PsiExpression collectionSize;
   if (JavaTokenType.LT.equals(tokenType)) {
     indexName = lhs.getText();
     collectionSize = rhs;
   } else if (JavaTokenType.GT.equals(tokenType)) {
     indexName = rhs.getText();
     collectionSize = lhs;
   } else {
     return null;
   }
   if (collectionSize instanceof PsiReferenceExpression) {
     final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) collectionSize;
     final PsiElement target = referenceExpression.resolve();
     if (target instanceof PsiVariable) {
       final PsiVariable variable = (PsiVariable) target;
       collectionSize = ParenthesesUtils.stripParentheses(variable.getInitializer());
     }
   }
   if (!(collectionSize instanceof PsiMethodCallExpression)) {
     return null;
   }
   final PsiMethodCallExpression methodCallExpression =
       (PsiMethodCallExpression) ParenthesesUtils.stripParentheses(collectionSize);
   if (methodCallExpression == null) {
     return null;
   }
   final PsiReferenceExpression listLengthExpression =
       methodCallExpression.getMethodExpression();
   final PsiExpression qualifier =
       ParenthesesUtils.stripParentheses(listLengthExpression.getQualifierExpression());
   final PsiReferenceExpression listReference;
   if (qualifier instanceof PsiReferenceExpression) {
     listReference = (PsiReferenceExpression) qualifier;
   } else {
     listReference = null;
   }
   PsiType parameterType;
   if (listReference == null) {
     parameterType = extractListTypeFromContainingClass(forStatement);
   } else {
     final PsiType type = listReference.getType();
     if (type == null) {
       return null;
     }
     parameterType = extractContentTypeFromType(type);
   }
   if (parameterType == null) {
     parameterType = TypeUtils.getObjectType(forStatement);
   }
   final String typeString = parameterType.getCanonicalText();
   final PsiVariable listVariable;
   if (listReference == null) {
     listVariable = null;
   } else {
     final PsiElement target = listReference.resolve();
     if (!(target instanceof PsiVariable)) {
       return null;
     }
     listVariable = (PsiVariable) target;
   }
   final PsiStatement body = forStatement.getBody();
   final PsiStatement firstStatement = getFirstStatement(body);
   final boolean isDeclaration =
       isListElementDeclaration(firstStatement, listVariable, indexName, parameterType);
   final String contentVariableName;
   @NonNls final String finalString;
   final PsiStatement statementToSkip;
   if (isDeclaration) {
     final PsiDeclarationStatement declarationStatement =
         (PsiDeclarationStatement) firstStatement;
     assert declarationStatement != null;
     final PsiElement[] declaredElements = declarationStatement.getDeclaredElements();
     final PsiElement declaredElement = declaredElements[0];
     if (!(declaredElement instanceof PsiVariable)) {
       return null;
     }
     final PsiVariable variable = (PsiVariable) declaredElement;
     contentVariableName = variable.getName();
     statementToSkip = declarationStatement;
     if (variable.hasModifierProperty(PsiModifier.FINAL)) {
       finalString = "final ";
     } else {
       finalString = "";
     }
   } else {
     final String collectionName;
     if (listReference == null) {
       collectionName = null;
     } else {
       collectionName = listReference.getReferenceName();
     }
     contentVariableName = createNewVariableName(forStatement, parameterType, collectionName);
     finalString = "";
     statementToSkip = null;
   }
   @NonNls final StringBuilder out = new StringBuilder();
   out.append("for(");
   out.append(finalString);
   out.append(typeString);
   out.append(' ');
   out.append(contentVariableName);
   out.append(": ");
   @NonNls final String listName;
   if (listReference == null) {
     listName = "this";
   } else {
     listName = listReference.getText();
   }
   out.append(listName);
   out.append(')');
   if (body != null) {
     replaceCollectionGetAccess(
         body, contentVariableName, listVariable, indexName, statementToSkip, out);
   }
   return out.toString();
 }
 @Nullable
 private String createArrayIterationText(@NotNull PsiForStatement forStatement) {
   final PsiExpression condition = forStatement.getCondition();
   final PsiBinaryExpression strippedCondition =
       (PsiBinaryExpression) ParenthesesUtils.stripParentheses(condition);
   if (strippedCondition == null) {
     return null;
   }
   final PsiExpression lhs = ParenthesesUtils.stripParentheses(strippedCondition.getLOperand());
   if (lhs == null) {
     return null;
   }
   final PsiExpression rhs = ParenthesesUtils.stripParentheses(strippedCondition.getROperand());
   if (rhs == null) {
     return null;
   }
   final IElementType tokenType = strippedCondition.getOperationTokenType();
   final PsiReferenceExpression arrayLengthExpression;
   final String indexName;
   if (tokenType.equals(JavaTokenType.LT)) {
     arrayLengthExpression = (PsiReferenceExpression) ParenthesesUtils.stripParentheses(rhs);
     indexName = lhs.getText();
   } else if (tokenType.equals(JavaTokenType.GT)) {
     arrayLengthExpression = (PsiReferenceExpression) ParenthesesUtils.stripParentheses(lhs);
     indexName = rhs.getText();
   } else {
     return null;
   }
   if (arrayLengthExpression == null) {
     return null;
   }
   PsiReferenceExpression arrayReference =
       (PsiReferenceExpression) arrayLengthExpression.getQualifierExpression();
   if (arrayReference == null) {
     final PsiElement target = arrayLengthExpression.resolve();
     if (!(target instanceof PsiVariable)) {
       return null;
     }
     final PsiVariable variable = (PsiVariable) target;
     final PsiExpression initializer = variable.getInitializer();
     if (!(initializer instanceof PsiReferenceExpression)) {
       return null;
     }
     final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) initializer;
     arrayReference = (PsiReferenceExpression) referenceExpression.getQualifierExpression();
     if (arrayReference == null) {
       return null;
     }
   }
   final PsiType type = arrayReference.getType();
   if (!(type instanceof PsiArrayType)) {
     return null;
   }
   final PsiArrayType arrayType = (PsiArrayType) type;
   final PsiType componentType = arrayType.getComponentType();
   final String typeText = componentType.getCanonicalText();
   final PsiElement target = arrayReference.resolve();
   if (!(target instanceof PsiVariable)) {
     return null;
   }
   final PsiVariable arrayVariable = (PsiVariable) target;
   final PsiStatement body = forStatement.getBody();
   final PsiStatement firstStatement = getFirstStatement(body);
   final boolean isDeclaration =
       isArrayElementDeclaration(firstStatement, arrayVariable, indexName);
   final String contentVariableName;
   @NonNls final String finalString;
   final PsiStatement statementToSkip;
   if (isDeclaration) {
     final PsiDeclarationStatement declarationStatement =
         (PsiDeclarationStatement) firstStatement;
     assert declarationStatement != null;
     final PsiElement[] declaredElements = declarationStatement.getDeclaredElements();
     final PsiElement declaredElement = declaredElements[0];
     if (!(declaredElement instanceof PsiVariable)) {
       return null;
     }
     final PsiVariable variable = (PsiVariable) declaredElement;
     if (VariableAccessUtils.variableIsAssigned(variable, forStatement)) {
       final String collectionName = arrayReference.getReferenceName();
       contentVariableName = createNewVariableName(forStatement, componentType, collectionName);
       final Project project = forStatement.getProject();
       final CodeStyleSettings codeStyleSettings = CodeStyleSettingsManager.getSettings(project);
       if (codeStyleSettings.GENERATE_FINAL_LOCALS) {
         finalString = "final ";
       } else {
         finalString = "";
       }
       statementToSkip = null;
     } else {
       contentVariableName = variable.getName();
       statementToSkip = declarationStatement;
       if (variable.hasModifierProperty(PsiModifier.FINAL)) {
         finalString = "final ";
       } else {
         finalString = "";
       }
     }
   } else {
     final String collectionName = arrayReference.getReferenceName();
     contentVariableName = createNewVariableName(forStatement, componentType, collectionName);
     final Project project = forStatement.getProject();
     final CodeStyleSettings codeStyleSettings = CodeStyleSettingsManager.getSettings(project);
     if (codeStyleSettings.GENERATE_FINAL_LOCALS) {
       finalString = "final ";
     } else {
       finalString = "";
     }
     statementToSkip = null;
   }
   @NonNls final StringBuilder out = new StringBuilder();
   out.append("for(");
   out.append(finalString);
   out.append(typeText);
   out.append(' ');
   out.append(contentVariableName);
   out.append(": ");
   final String arrayName = arrayReference.getText();
   out.append(arrayName);
   out.append(')');
   if (body != null) {
     replaceArrayAccess(
         body, contentVariableName, arrayVariable, indexName, statementToSkip, out);
   }
   return out.toString();
 }
 @Nullable
 private String createCollectionIterationText(@NotNull PsiForStatement forStatement)
     throws IncorrectOperationException {
   final PsiStatement body = forStatement.getBody();
   final PsiStatement firstStatement = getFirstStatement(body);
   final PsiStatement initialization = forStatement.getInitialization();
   if (!(initialization instanceof PsiDeclarationStatement)) {
     return null;
   }
   final PsiDeclarationStatement declaration = (PsiDeclarationStatement) initialization;
   final PsiElement declaredIterator = declaration.getDeclaredElements()[0];
   if (!(declaredIterator instanceof PsiVariable)) {
     return null;
   }
   final PsiVariable iteratorVariable = (PsiVariable) declaredIterator;
   final PsiMethodCallExpression initializer =
       (PsiMethodCallExpression) iteratorVariable.getInitializer();
   if (initializer == null) {
     return null;
   }
   final PsiType iteratorType = initializer.getType();
   if (iteratorType == null) {
     return null;
   }
   final PsiType iteratorContentType = extractContentTypeFromType(iteratorType);
   final PsiType iteratorVariableType = iteratorVariable.getType();
   final PsiType contentType;
   final PsiClassType javaLangObject = TypeUtils.getObjectType(forStatement);
   if (iteratorContentType == null) {
     final PsiType iteratorVariableContentType =
         extractContentTypeFromType(iteratorVariableType);
     if (iteratorVariableContentType == null) {
       contentType = javaLangObject;
     } else {
       contentType = iteratorVariableContentType;
     }
   } else {
     contentType = iteratorContentType;
   }
   final PsiReferenceExpression methodExpression = initializer.getMethodExpression();
   final PsiExpression collection = methodExpression.getQualifierExpression();
   final String iteratorName = iteratorVariable.getName();
   final boolean isDeclaration =
       isIteratorNextDeclaration(firstStatement, iteratorName, contentType);
   final PsiStatement statementToSkip;
   @NonNls final String finalString;
   final String contentVariableName;
   if (isDeclaration) {
     final PsiDeclarationStatement declarationStatement =
         (PsiDeclarationStatement) firstStatement;
     assert declarationStatement != null;
     final PsiElement[] declaredElements = declarationStatement.getDeclaredElements();
     final PsiElement declaredElement = declaredElements[0];
     if (!(declaredElement instanceof PsiVariable)) {
       return null;
     }
     final PsiVariable variable = (PsiVariable) declaredElement;
     contentVariableName = variable.getName();
     statementToSkip = declarationStatement;
     if (variable.hasModifierProperty(PsiModifier.FINAL)) {
       finalString = "final ";
     } else {
       finalString = "";
     }
   } else {
     if (collection instanceof PsiReferenceExpression) {
       final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) collection;
       final String collectionName = referenceExpression.getReferenceName();
       contentVariableName = createNewVariableName(forStatement, contentType, collectionName);
     } else {
       contentVariableName = createNewVariableName(forStatement, contentType, null);
     }
     final Project project = forStatement.getProject();
     final CodeStyleSettings codeStyleSettings = CodeStyleSettingsManager.getSettings(project);
     if (codeStyleSettings.GENERATE_FINAL_LOCALS) {
       finalString = "final ";
     } else {
       finalString = "";
     }
     statementToSkip = null;
   }
   final String contentTypeString = contentType.getCanonicalText();
   @NonNls final StringBuilder out = new StringBuilder();
   out.append("for(");
   out.append(finalString);
   out.append(contentTypeString);
   out.append(' ');
   out.append(contentVariableName);
   out.append(": ");
   if (!contentType.equals(javaLangObject)) {
     @NonNls final String iterableTypeString = "java.lang.Iterable<" + contentTypeString + '>';
     if (iteratorContentType == null) {
       out.append('(');
       out.append(iterableTypeString);
       out.append(')');
     }
   }
   if (collection == null) {
     out.append("this");
   } else {
     out.append(collection.getText());
   }
   out.append(')');
   replaceIteratorNext(
       body, contentVariableName, iteratorName, statementToSkip, out, contentType);
   return out.toString();
 }