Java 类com.intellij.util.LineSeparator 实例源码

项目：intellij-ce-playground 文件：ExternalDiffToolUtil.java

@NotNull
private static File createTempFile(@NotNull final DocumentContent content, @NotNull String tempFileName) throws IOException {
  FileDocumentManager.getInstance().saveDocument(content.getDocument());

  LineSeparator separator = content.getLineSeparator();
  if (separator == null) separator = LineSeparator.getSystemLineSeparator();

  Charset charset = content.getCharset();
  if (charset == null) charset = Charset.defaultCharset();

  String contentData = ApplicationManager.getApplication().runReadAction(new Computable<String>() {
    @Override
    public String compute() {
      return content.getDocument().getText();
    }
  });
  if (separator != LineSeparator.LF) {
    contentData = StringUtil.convertLineSeparators(contentData, separator.getSeparatorString());
  }

  byte[] bytes = contentData.getBytes(charset);
  return createFile(bytes, tempFileName);
}

项目：intellij-ce-playground 文件：DiffUtil.java

@NotNull
public static JComponent createTitle(@NotNull String title,
                                     @Nullable Charset charset,
                                     @Nullable LineSeparator separator,
                                     boolean readOnly) {
  if (readOnly) title += " " + DiffBundle.message("diff.content.read.only.content.title.suffix");

  JPanel panel = new JPanel(new BorderLayout());
  panel.setBorder(IdeBorderFactory.createEmptyBorder(0, 4, 0, 4));
  panel.add(createTitlePanel(title), BorderLayout.CENTER);
  if (charset != null && separator != null) {
    JPanel panel2 = new JPanel();
    panel2.setLayout(new BoxLayout(panel2, BoxLayout.X_AXIS));
    panel2.add(createCharsetPanel(charset));
    panel2.add(Box.createRigidArea(new Dimension(4, 0)));
    panel2.add(createSeparatorPanel(separator));
    panel.add(panel2, BorderLayout.EAST);
  }
  else if (charset != null) {
    panel.add(createCharsetPanel(charset), BorderLayout.EAST);
  }
  else if (separator != null) {
    panel.add(createSeparatorPanel(separator), BorderLayout.EAST);
  }
  return panel;
}

项目：intellij-ce-playground 文件：DiffUtil.java

@NotNull
private static JComponent createSeparatorPanel(@NotNull LineSeparator separator) {
  JLabel label = new JLabel(separator.name());
  Color color;
  if (separator == LineSeparator.CRLF) {
    color = JBColor.RED;
  }
  else if (separator == LineSeparator.LF) {
    color = JBColor.BLUE;
  }
  else if (separator == LineSeparator.CR) {
    color = JBColor.MAGENTA;
  }
  else {
    color = JBColor.BLACK;
  }
  label.setForeground(color);
  return label;
}

项目：intellij-ce-playground 文件：DiffPanelImpl.java

static JComponent createComponentForTitle(@Nullable String title,
                                          @Nullable final LineSeparator sep1,
                                          @Nullable final LineSeparator sep2,
                                          boolean left) {
  if (sep1 != null && sep2 != null && !sep1.equals(sep2)) {
    LineSeparator separator = left ? sep1 : sep2;
    JPanel bottomPanel = new JPanel(new BorderLayout());
    JLabel sepLabel = new JLabel(separator.name());
    sepLabel.setForeground(separator.equals(LineSeparator.CRLF) ? JBColor.RED : PlatformColors.BLUE);
    bottomPanel.add(sepLabel, left ? BorderLayout.EAST : BorderLayout.WEST);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(new JLabel(title == null ? "" : title));
    panel.add(bottomPanel, BorderLayout.SOUTH);
    return panel;
  }
  else {
    return new JBLabel(title == null ? "" : title);
  }
}

项目：intellij-ce-playground 文件：StringUtilTest.java

@Test
public void testDetectSeparators() {
  assertEquals(null, StringUtil.detectSeparators(""));
  assertEquals(null, StringUtil.detectSeparators("asd"));
  assertEquals(null, StringUtil.detectSeparators("asd\t"));

  assertEquals(LineSeparator.LF, StringUtil.detectSeparators("asd\n"));
  assertEquals(LineSeparator.LF, StringUtil.detectSeparators("asd\nads\r"));
  assertEquals(LineSeparator.LF, StringUtil.detectSeparators("asd\nads\n"));

  assertEquals(LineSeparator.CR, StringUtil.detectSeparators("asd\r"));
  assertEquals(LineSeparator.CR, StringUtil.detectSeparators("asd\rads\r"));
  assertEquals(LineSeparator.CR, StringUtil.detectSeparators("asd\rads\n"));

  assertEquals(LineSeparator.CRLF, StringUtil.detectSeparators("asd\r\n"));
  assertEquals(LineSeparator.CRLF, StringUtil.detectSeparators("asd\r\nads\r"));
  assertEquals(LineSeparator.CRLF, StringUtil.detectSeparators("asd\r\nads\n"));
}

项目：intellij-ce-playground 文件：LineEndingsManager.java

private void applySettings(VirtualFile file) {
  if (file == null) return;
  if (!Utils.isEnabled(CodeStyleSettingsManager.getInstance(myProject).getCurrentSettings())) return;

  final String filePath = Utils.getFilePath(myProject, file);
  final List<EditorConfig.OutPair> outPairs = SettingsProviderComponent.getInstance().getOutPairs(myProject, filePath);
  final String lineEndings = Utils.configValueForKey(outPairs, lineEndingsKey);
  if (!lineEndings.isEmpty()) {
    try {
      LineSeparator separator = LineSeparator.valueOf(lineEndings.toUpperCase(Locale.US));
      String oldSeparator = file.getDetectedLineSeparator();
      String newSeparator = separator.getSeparatorString();
      if (!StringUtil.equals(oldSeparator, newSeparator)) {
        file.setDetectedLineSeparator(newSeparator);
        if (!statusBarUpdated) {
          statusBarUpdated = true;
          updateStatusBar();
        }
      }
    }
    catch (IllegalArgumentException e) {
      Utils.invalidConfigMessage(myProject, lineEndings, lineEndingsKey, filePath);
    }
  }
}

项目：tools-idea 文件：DiffPanelImpl.java

private void setTitles(@NotNull DiffRequest data) {
  LineSeparator sep1 = data.getContents()[0].getLineSeparator();
  LineSeparator sep2 = data.getContents()[1].getLineSeparator();

  String title1 = addReadOnly(data.getContentTitles()[0], myLeftSide.getEditor());
  String title2 = addReadOnly(data.getContentTitles()[1], myRightSide.getEditor());

  if (title1 != null && title2 != null && sep1 != null && sep2 != null && !sep1.equals(sep2)) {
    setTitle1(createComponentForTitle(title1, sep1, true));
    setTitle2(createComponentForTitle(title2, sep2, false));
  }
  else {
    setTitle1(new JBLabel(title1 == null ? "" : title1));
    setTitle2(new JBLabel(title2 == null ? "" : title2));
  }
}

项目：tools-idea 文件：EmptyDiffViewer.java

@NotNull
private JPanel createMessagePanel(@Nullable LineSeparator sep1, @Nullable LineSeparator sep2) {
  String message;
  if (DiffUtil.oneIsUnknown(myRequest.getContents()[0], myRequest.getContents()[1])) {
    message = DiffBundle.message("diff.can.not.show.unknown");
  }
  else if (LineSeparator.knownAndDifferent(sep1, sep2)) {
    message = DiffBundle.message("diff.contents.have.differences.only.in.line.separators.message.text");
  }
  else {
    message = DiffBundle.message("diff.contents.are.identical.message.text");
  }

  final JLabel label = new JLabel(message);
  label.setForeground(UIUtil.getInactiveTextColor());
  final JPanel wrapper = new JPanel(new GridBagLayout());
  wrapper.add(label, new GridBagConstraints(0,0,1,1,0,0,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(1,1,1,1), 0,0));
  return wrapper;
}

项目：intellij-haxe 文件：HaxeCompilerServices.java

private int recalculateFileOffset(@NotNull PsiFile file, @NotNull PsiElement position, Editor editor) {
    int offset = position.getTextOffset();;

    VirtualFile virtualFile = file.getVirtualFile();
    if (null == virtualFile) {  // In memory file, the position doesn't change.
        return offset;
    }

    // Get the separator, checking the file if we don't know yet.  May still return null.
    String separator = LoadTextUtil.detectLineSeparator(virtualFile, true);

    // IntelliJ IDEA normalizes file line endings, so if file line endings is
    // CRLF - then we have to shift an offset so Haxe compiler could get proper offset
    if (LineSeparator.CRLF.getSeparatorString().equals(separator)) {
        int lineNumber =
            com.intellij.openapi.util.text.StringUtil.offsetToLineNumber(editor.getDocument().getText(), offset);
        offset += lineNumber;
    }
    return offset;
}

项目：editorconfig-jetbrains 文件：LineEndingsManager.java

private void applySettings(VirtualFile file) {
    if (file == null || !file.isInLocalFileSystem()) return;

    final String filePath = file.getCanonicalPath();
    final List<EditorConfig.OutPair> outPairs = SettingsProviderComponent.getInstance().getOutPairs(filePath);
    final String lineEndings = Utils.configValueForKey(outPairs, lineEndingsKey);
    if (!lineEndings.isEmpty()) {
        try {
            LineSeparator separator = LineSeparator.valueOf(lineEndings.toUpperCase(Locale.US));
            String oldSeparator = file.getDetectedLineSeparator();
            String newSeparator = separator.getSeparatorString();
            if (!StringUtil.equals(oldSeparator, newSeparator)) {
                file.setDetectedLineSeparator(newSeparator);
                if (!statusBarUpdated) {
                    statusBarUpdated = true;
                    updateStatusBar();
                }
                LOG.debug(Utils.appliedConfigMessage(lineEndings, lineEndingsKey, filePath));
            }
        } catch (IllegalArgumentException e) {
            LOG.warn(Utils.invalidConfigMessage(lineEndings, lineEndingsKey, filePath));
        }
    }
}

项目：consulo 文件：DiffUtil.java

@Nonnull
public static JComponent createTitle(@Nonnull String title,
                                     @Nullable Charset charset,
                                     @Nullable LineSeparator separator,
                                     boolean readOnly) {
  if (readOnly) title += " " + DiffBundle.message("diff.content.read.only.content.title.suffix");

  JPanel panel = new JPanel(new BorderLayout());
  panel.setBorder(IdeBorderFactory.createEmptyBorder(0, 4, 0, 4));
  panel.add(new JBLabel(title).setCopyable(true), BorderLayout.CENTER);
  if (charset != null && separator != null) {
    JPanel panel2 = new JPanel();
    panel2.setLayout(new BoxLayout(panel2, BoxLayout.X_AXIS));
    panel2.add(createCharsetPanel(charset));
    panel2.add(Box.createRigidArea(new Dimension(4, 0)));
    panel2.add(createSeparatorPanel(separator));
    panel.add(panel2, BorderLayout.EAST);
  }
  else if (charset != null) {
    panel.add(createCharsetPanel(charset), BorderLayout.EAST);
  }
  else if (separator != null) {
    panel.add(createSeparatorPanel(separator), BorderLayout.EAST);
  }
  return panel;
}

项目：consulo 文件：DiffUtil.java

@Nonnull
private static JComponent createSeparatorPanel(@Nonnull LineSeparator separator) {
  JLabel label = new JLabel(separator.name());
  Color color;
  if (separator == LineSeparator.CRLF) {
    color = JBColor.RED;
  }
  else if (separator == LineSeparator.LF) {
    color = JBColor.BLUE;
  }
  else if (separator == LineSeparator.CR) {
    color = JBColor.MAGENTA;
  }
  else {
    color = JBColor.BLACK;
  }
  label.setForeground(color);
  return label;
}

项目：consulo 文件：DiffContentFactoryImpl.java

@Nonnull
private static DocumentContent createImpl(@Nullable Project project,
                                          @Nonnull String text,
                                          @Nullable FileType fileType,
                                          @javax.annotation.Nullable String fileName,
                                          @Nullable VirtualFile highlightFile,
                                          @javax.annotation.Nullable Charset charset,
                                          @javax.annotation.Nullable Boolean bom,
                                          boolean respectLineSeparators,
                                          boolean readOnly) {
  if (UnknownFileType.INSTANCE == fileType) fileType = PlainTextFileType.INSTANCE;

  // TODO: detect invalid (different across the file) separators ?
  LineSeparator separator = respectLineSeparators ? StringUtil.detectSeparators(text) : null;
  String correctedContent = StringUtil.convertLineSeparators(text);

  Document document = createDocument(project, correctedContent, fileType, fileName, readOnly);
  DocumentContent content = new DocumentContentImpl(project, document, fileType, highlightFile, separator, charset, bom);

  if (fileName != null) content.putUserData(DiffUserDataKeysEx.FILE_NAME, fileName);

  return content;
}

项目：consulo 文件：DiffContentFactoryImpl.java

@Nonnull
private static DocumentContent createFromBytesImpl(@javax.annotation.Nullable Project project,
                                                   @Nonnull byte[] content,
                                                   @Nonnull FileType fileType,
                                                   @Nonnull String fileName,
                                                   @javax.annotation.Nullable VirtualFile highlightFile,
                                                   @Nonnull Charset charset) {
  Charset bomCharset = CharsetToolkit.guessFromBOM(content);
  boolean isBOM = bomCharset != null;
  if (isBOM) charset = bomCharset;

  boolean malformedContent = false;
  String text = CharsetToolkit.tryDecodeString(content, charset);

  LineSeparator separator = StringUtil.detectSeparators(text);
  String correctedContent = StringUtil.convertLineSeparators(text);

  DocumentContent documentContent = createImpl(project, correctedContent, fileType, fileName, highlightFile, charset, isBOM, true, true);

  if (malformedContent) {
    String notificationText = "Content was decoded with errors (using " + "'" + charset.name() + "' charset)";
    DiffUtil.addNotification(DiffNotifications.createNotification(notificationText, LightColors.RED), documentContent);
  }

  return documentContent;
}

项目：consulo 文件：DiffPanelImpl.java

static JComponent createComponentForTitle(@Nullable String title, @Nullable final LineSeparator sep1, @Nullable final LineSeparator sep2, boolean left) {
  if (sep1 != null && sep2 != null && !sep1.equals(sep2)) {
    LineSeparator separator = left ? sep1 : sep2;
    JPanel bottomPanel = new JPanel(new BorderLayout());
    JLabel sepLabel = new JLabel(separator.name());
    sepLabel.setForeground(separator.equals(LineSeparator.CRLF) ? JBColor.RED : PlatformColors.BLUE);
    bottomPanel.add(sepLabel, left ? BorderLayout.EAST : BorderLayout.WEST);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(new JLabel(title == null ? "" : title));
    panel.add(bottomPanel, BorderLayout.SOUTH);
    return panel;
  }
  else {
    return new JBLabel(title == null ? "" : title);
  }
}

项目：XposedPlugin 文件：XposedInitAssetManager.java

private void writeXposedInitFileInternal() {
    if (mXposedInitFile == null || !mXposedInitFile.exists()) {
        mXposedInitFile = createXposedInitFile();
    }

    Charset charset = mXposedInitFile.getCharset();
    String lineSep = mXposedInitFile.getDetectedLineSeparator();
    if (lineSep == null) {
        lineSep = LineSeparator.getSystemLineSeparator().getSeparatorString();
    }

    OutputStream out = null;
    OutputStreamWriter writer = null;
    try {
        out = mXposedInitFile.getOutputStream(this);
        writer = new OutputStreamWriter(out, charset);
        for (String hookClassNames : mDeclaredXposedHooks) {
            writer.write(hookClassNames);
            writer.write(lineSep);
        }
    } catch (IOException e) {
        throw new XposedPluginException("Failed to write to assets/xposed_init file", e);
    } finally {
        IOUtils.silentlyClose(writer);
        IOUtils.silentlyClose(out);
    }

    LOG.debug("Successfully wrote xposed_init file");
    mLastModificationTime = mXposedInitFile.getTimeStamp();
}

项目：intellij-ce-playground 文件：FileAwareDocumentContent.java

public FileAwareDocumentContent(@Nullable Project project,
                                @NotNull Document document,
                                @Nullable FileType fileType,
                                @Nullable VirtualFile highlightFile,
                                @Nullable LineSeparator separator,
                                @Nullable Charset charset) {
  super(document, fileType, highlightFile, separator, charset);
  myProject = project;
}

项目：intellij-ce-playground 文件：DocumentContentImpl.java

public DocumentContentImpl(@NotNull Document document,
                           @Nullable FileType type,
                           @Nullable VirtualFile highlightFile,
                           @Nullable LineSeparator separator,
                           @Nullable Charset charset) {
  myDocument = document;
  myType = type;
  myHighlightFile = highlightFile;
  mySeparator = separator;
  myCharset = charset;
}

项目：intellij-ce-playground 文件：DiffUtil.java

@Nullable
private static JComponent createTitle(@NotNull String title,
                                      @NotNull DiffContent content,
                                      boolean equalCharsets,
                                      boolean equalSeparators,
                                      @Nullable Editor editor) {
  if (content instanceof EmptyContent) return null;

  Charset charset = equalCharsets ? null : ((DocumentContent)content).getCharset();
  LineSeparator separator = equalSeparators ? null : ((DocumentContent)content).getLineSeparator();
  boolean isReadOnly = editor == null || editor.isViewer() || !canMakeWritable(editor.getDocument());

  return createTitle(title, charset, separator, isReadOnly);
}

项目：intellij-ce-playground 文件：DiffContentFactoryImpl.java

@NotNull
private static DocumentContent createImpl(@NotNull String text,
                                          @Nullable FileType type,
                                          @Nullable VirtualFile highlightFile,
                                          @Nullable Charset charset,
                                          boolean respectLineSeparators,
                                          boolean readOnly) {
  // TODO: detect invalid (different across the file) separators ?
  LineSeparator separator = respectLineSeparators ? StringUtil.detectSeparators(text) : null;
  Document document = EditorFactory.getInstance().createDocument(StringUtil.convertLineSeparators(text));
  if (readOnly) document.setReadOnly(true);
  return new DocumentContentImpl(document, type, highlightFile, separator, charset);
}

项目：intellij-ce-playground 文件：AbstractConvertLineSeparatorsAction.java

public static void changeLineSeparators(@NotNull final Project project,
                                        @NotNull final VirtualFile virtualFile,
                                        @NotNull final String newSeparator)
{
  FileDocumentManager fileDocumentManager = FileDocumentManager.getInstance();
  Document document = fileDocumentManager.getCachedDocument(virtualFile);
  if (document != null) {
    fileDocumentManager.saveDocument(document);
  }

  String currentSeparator = LoadTextUtil.detectLineSeparator(virtualFile, false);
  final String commandText;
  if (StringUtil.isEmpty(currentSeparator)) {
    commandText = "Changed line separators to " + LineSeparator.fromString(newSeparator);
  }
  else {
    commandText = String.format("Changed line separators from %s to %s",
                                LineSeparator.fromString(currentSeparator), LineSeparator.fromString(newSeparator));
  }

  new WriteCommandAction(project, commandText) {
    @Override
    protected void run(@NotNull Result result) throws Throwable {
      try {
        LoadTextUtil.changeLineSeparators(project, virtualFile, newSeparator, this);
      }
      catch (IOException e) {
        LOG.info(e);
      }
    }
  }.execute();
}

项目：intellij-ce-playground 文件：VirtualFileImpl.java

@Override
public String getDetectedLineSeparator() {
  if (getFlagInt(SYSTEM_LINE_SEPARATOR_DETECTED)) {
    return LineSeparator.getSystemLineSeparator().getSeparatorString();
  }
  return super.getDetectedLineSeparator();
}

项目：intellij-ce-playground 文件：DiffPanelImpl.java

public void setFileContentsAreIdentical() {
  if (myTopMessageDiffPanel == null || myTopMessageDiffPanel instanceof FileContentsAreIdenticalDiffPanel) {
    LineSeparator sep1 = myData.getContent1() == null ? null : myData.getContent1().getLineSeparator();
    LineSeparator sep2 = myData.getContent2() == null ? null : myData.getContent2().getLineSeparator();

    if (LineSeparator.knownAndDifferent(sep1, sep2)) {
      myTopMessageDiffPanel = new LineSeparatorsOnlyDiffPanel();
    }
    else {
      myTopMessageDiffPanel = new FileContentsAreIdenticalDiffPanel();
    }
    myPanel.insertTopComponent(myTopMessageDiffPanel);
  }
}

项目：intellij-ce-playground 文件：DiffPanelImpl.java

private void setTitles(@NotNull DiffRequest data) {
  LineSeparator sep1 = data.getContents()[0].getLineSeparator();
  LineSeparator sep2 = data.getContents()[1].getLineSeparator();

  String title1 = addReadOnly(data.getContentTitles()[0], myLeftSide.getEditor());
  String title2 = addReadOnly(data.getContentTitles()[1], myRightSide.getEditor());

  setTitle1(createComponentForTitle(title1, sep1, sep2, true));
  setTitle2(createComponentForTitle(title2, sep1, sep2, false));
}

项目：intellij-ce-playground 文件：GitBranchWorkerTest.java

private static LineSeparator detectLineSeparators(String actual) {
  char[] chars = CharArrayUtil.fromSequence(actual);
  for (char c : chars) {
    if (c == '\r') {
      return LineSeparator.CRLF;
    }
    else if (c == '\n') {   // if we are here, there was no \r before
      return LineSeparator.LF;
    }
  }
  return LineSeparator.LF;
}

项目：intellij-ce-playground 文件：BaseTerminalModule.java

protected boolean sendData(@NotNull String data) {
  try {
    mySkipOneLine = true;
    myExecutor.write(data + LineSeparator.CRLF.getSeparatorString());
    return true;
  }
  catch (SvnBindException e) {
    // TODO: handle this more carefully
    LOG.info(e);
  }
  return false;
}

项目：tools-idea 文件：DiffPanelImpl.java

static JComponent createComponentForTitle(@Nullable String title, @NotNull final LineSeparator separator, boolean left) {
  JPanel bottomPanel = new JPanel(new BorderLayout());
  JLabel sepLabel = new JLabel(separator.name());
  sepLabel.setForeground(separator.equals(LineSeparator.CRLF) ? JBColor.RED : PlatformColors.BLUE);
  bottomPanel.add(sepLabel, left ? BorderLayout.EAST : BorderLayout.WEST);

  JPanel panel = new JPanel(new BorderLayout());
  panel.add(new JLabel(title == null ? "" : title));
  panel.add(bottomPanel, BorderLayout.SOUTH);
  return panel;
}

项目：tools-idea 文件：AbstractConvertLineSeparatorsAction.java

public static void changeLineSeparators(@NotNull final Project project,
                                        @NotNull final VirtualFile virtualFile,
                                        @NotNull final String newSeparator)
{
  FileDocumentManager fileDocumentManager = FileDocumentManager.getInstance();
  Document document = fileDocumentManager.getCachedDocument(virtualFile);
  if (document != null) {
    fileDocumentManager.saveDocument(document);
  }

  String currentSeparator = LoadTextUtil.detectLineSeparator(virtualFile, false);
  final String commandText;
  if (StringUtil.isEmpty(currentSeparator)) {
    commandText = "Changed line separators to " + LineSeparator.fromString(newSeparator);
  }
  else {
    commandText = String.format("Changed line separators from %s to %s",
                                LineSeparator.fromString(currentSeparator), LineSeparator.fromString(newSeparator));
  }

  CommandProcessor commandProcessor = CommandProcessor.getInstance();
  commandProcessor.executeCommand(project, new Runnable() {
    @Override
    public void run() {
      try {
        LoadTextUtil.changeLineSeparators(project, virtualFile, newSeparator, this);
      }
      catch (IOException e) {
        LOG.warn(e);
      }
    }
  }, commandText, null);
}

项目：consulo 文件：DocumentContentImpl.java

public DocumentContentImpl(@Nullable Project project,
                           @Nonnull Document document,
                           @Nullable FileType type,
                           @Nullable VirtualFile highlightFile,
                           @javax.annotation.Nullable LineSeparator separator,
                           @Nullable Charset charset,
                           @Nullable Boolean bom) {
  myProject = project;
  myDocument = document;
  myType = type;
  myHighlightFile = highlightFile;
  mySeparator = separator;
  myCharset = charset;
  myBOM = bom;
}

项目：consulo 文件：ExternalDiffToolUtil.java

@Nonnull
private static File createTempFile(@Nonnull final DocumentContent content, @Nonnull FileNameInfo fileName) throws IOException {
  FileDocumentManager.getInstance().saveDocument(content.getDocument());

  LineSeparator separator = content.getLineSeparator();
  if (separator == null) separator = LineSeparator.getSystemLineSeparator();

  Charset charset = content.getCharset();
  if (charset == null) charset = Charset.defaultCharset();

  Boolean hasBom = content.hasBom();
  if (hasBom == null) hasBom = CharsetToolkit.getMandatoryBom(charset) != null;

  String contentData = ReadAction.compute(() -> {
    return content.getDocument().getText();
  });
  if (separator != LineSeparator.LF) {
    contentData = StringUtil.convertLineSeparators(contentData, separator.getSeparatorString());
  }

  byte[] bytes = contentData.getBytes(charset);

  byte[] bom = hasBom ? CharsetToolkit.getPossibleBom(charset) : null;
  if (bom != null) {
    bytes = ArrayUtil.mergeArrays(bom, bytes);
  }

  return createFile(bytes, fileName);
}

项目：consulo 文件：DiffUtil.java

@Nullable
private static JComponent createTitle(@Nonnull String title,
                                      @Nonnull DiffContent content,
                                      boolean equalCharsets,
                                      boolean equalSeparators,
                                      @Nullable Editor editor) {
  if (content instanceof EmptyContent) return null;

  Charset charset = equalCharsets ? null : ((DocumentContent)content).getCharset();
  LineSeparator separator = equalSeparators ? null : ((DocumentContent)content).getLineSeparator();
  boolean isReadOnly = editor == null || editor.isViewer() || !canMakeWritable(editor.getDocument());

  return createTitle(title, charset, separator, isReadOnly);
}

项目：consulo 文件：VirtualFileImpl.java

@Override
public String getDetectedLineSeparator() {
  if (getFlagInt(SYSTEM_LINE_SEPARATOR_DETECTED)) {
    return LineSeparator.getSystemLineSeparator().getSeparatorString();
  }
  return super.getDetectedLineSeparator();
}

项目：consulo 文件：DiffPanelImpl.java

public void setFileContentsAreIdentical() {
  if (myTopMessageDiffPanel == null || myTopMessageDiffPanel instanceof FileContentsAreIdenticalDiffPanel) {
    LineSeparator sep1 = myData.getContent1() == null ? null : myData.getContent1().getLineSeparator();
    LineSeparator sep2 = myData.getContent2() == null ? null : myData.getContent2().getLineSeparator();

    if (LineSeparator.knownAndDifferent(sep1, sep2)) {
      myTopMessageDiffPanel = new LineSeparatorsOnlyDiffPanel();
    }
    else {
      myTopMessageDiffPanel = new FileContentsAreIdenticalDiffPanel();
    }
    myPanel.insertTopComponent(myTopMessageDiffPanel);
  }
}

项目：consulo 文件：DiffPanelImpl.java

private void setTitles(@Nonnull DiffRequest data) {
  LineSeparator sep1 = data.getContents()[0].getLineSeparator();
  LineSeparator sep2 = data.getContents()[1].getLineSeparator();

  String title1 = addReadOnly(data.getContentTitles()[0], myLeftSide.getEditor());
  String title2 = addReadOnly(data.getContentTitles()[1], myRightSide.getEditor());

  setTitle1(createComponentForTitle(title1, sep1, sep2, true));
  setTitle2(createComponentForTitle(title2, sep1, sep2, false));
}

项目：consulo 文件：StorageUtil.java

@Nonnull
public static VirtualFile writeFile(@Nullable File file, @Nonnull Object requestor, @Nullable VirtualFile virtualFile, @Nonnull BufferExposingByteArrayOutputStream content, @Nullable LineSeparator lineSeparatorIfPrependXmlProlog) throws IOException {
  AccessToken token = ApplicationManager.getApplication().acquireWriteActionLock(StorageUtil.class);
  try {
    if (file != null && (virtualFile == null || !virtualFile.isValid())) {
      virtualFile = getOrCreateVirtualFile(requestor, file);
    }
    assert virtualFile != null;
    OutputStream out = virtualFile.getOutputStream(requestor);
    try {
      if (lineSeparatorIfPrependXmlProlog != null) {
        out.write(XML_PROLOG);
        out.write(lineSeparatorIfPrependXmlProlog.getSeparatorBytes());
      }
      content.writeTo(out);
    }
    finally {
      out.close();
    }
    return virtualFile;
  }
  catch (FileNotFoundException e) {
    if (virtualFile == null) {
      throw e;
    }
    else {
      throw new ReadOnlyModificationException(virtualFile);
    }
  }
  finally {
    token.finish();
  }
}

项目：consulo 文件：StorageUtil.java

@Nonnull
public static LineSeparator detectLineSeparators(@Nonnull CharSequence chars, @Nullable LineSeparator defaultSeparator) {
  for (int i = 0, n = chars.length(); i < n; i++) {
    char c = chars.charAt(i);
    if (c == '\r') {
      return LineSeparator.CRLF;
    }
    else if (c == '\n') {
      // if we are here, there was no \r before
      return LineSeparator.LF;
    }
  }
  return defaultSeparator == null ? LineSeparator.getSystemLineSeparator() : defaultSeparator;
}

项目：consulo 文件：FileBasedStorage.java

@Override
protected void doSave(@Nullable Element element) throws IOException {
  if (myLineSeparator == null) {
    myLineSeparator = isUseLfLineSeparatorByDefault() ? LineSeparator.LF : LineSeparator.getSystemLineSeparator();
  }

  BufferExposingByteArrayOutputStream content = element == null ? null : StorageUtil.writeToBytes(element, myLineSeparator.getSeparatorString());
  if (ApplicationManager.getApplication().isUnitTestMode() && StringUtil.startsWithChar(myFile.getPath(), '$')) {
    throw new StateStorageException("It seems like some macros were not expanded for path: " + myFile.getPath());
  }

  try {
    if (myStreamProvider != null && myStreamProvider.isEnabled()) {
      // stream provider always use LF separator
      saveForProvider(myLineSeparator == LineSeparator.LF ? content : null, element);
    }
  }
  catch (Throwable e) {
    LOG.error(e);
  }

  if (content == null) {
    StorageUtil.deleteFile(myFile, this, getVirtualFile());
    myCachedVirtualFile = null;
  }
  else {
    VirtualFile file = getVirtualFile();
    if (file == null || !file.exists()) {
      FileUtil.createParentDirs(myFile);
      file = null;
    }
    myCachedVirtualFile = StorageUtil.writeFile(myFile, this, file, content, isUseXmlProlog() ? myLineSeparator : null);
  }
}

项目：consulo 文件：AbstractConvertLineSeparatorsAction.java

public static void changeLineSeparators(@Nonnull final Project project,
                                        @Nonnull final VirtualFile virtualFile,
                                        @Nonnull final String newSeparator) {
  FileDocumentManager fileDocumentManager = FileDocumentManager.getInstance();
  Document document = fileDocumentManager.getCachedDocument(virtualFile);
  if (document != null) {
    fileDocumentManager.saveDocument(document);
  }

  String currentSeparator = LoadTextUtil.detectLineSeparator(virtualFile, false);
  final String commandText;
  if (StringUtil.isEmpty(currentSeparator)) {
    commandText = "Changed line separators to " + LineSeparator.fromString(newSeparator);
  }
  else {
    commandText = String.format("Changed line separators from %s to %s", LineSeparator.fromString(currentSeparator),
                                LineSeparator.fromString(newSeparator));
  }

  new WriteCommandAction(project, commandText) {
    @Override
    protected void run(@Nonnull Result result) throws Throwable {
      try {
        LoadTextUtil.changeLineSeparators(project, virtualFile, newSeparator, this);
      }
      catch (IOException e) {
        LOG.info(e);
      }
    }
  }.execute();
}

项目：intellij-ce-playground 文件：DocumentFragmentContent.java

@Nullable
@Override
public LineSeparator getLineSeparator() {
  return null;
}

项目：intellij-ce-playground 文件：FileDocumentContentImpl.java

@Nullable
private static LineSeparator getSeparator(@NotNull VirtualFile file) {
  String s = LoadTextUtil.detectLineSeparator(file, true);
  if (s == null) return null;
  return LineSeparator.fromString(s);
}