Example usage for org.eclipse.jdt.core.formatter IndentManipulation isLineDelimiterChar

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.formatter IndentManipulation isLineDelimiterChar.

Prototype

public static boolean isLineDelimiterChar(char ch) 

Source Link

Document

Returns true if the given character is a line delimiter character.

Usage

From source file:at.bestsolution.fxide.jdt.corext.javadoc.JavaDocCommentReader.java

License:Open Source License

/**
 * @see java.io.Reader#read()//from   ww  w  .  j  a  va 2 s .com
 */
@Override
public int read() {
    if (fCurrPos < fEndPos) {
        char ch = fBuffer.getChar(fCurrPos++);
        if (fWasNewLine && !IndentManipulation.isLineDelimiterChar(ch)) {
            while (fCurrPos < fEndPos && Character.isWhitespace(ch)) {
                ch = fBuffer.getChar(fCurrPos++);
            }
            if (ch == '*') {
                if (fCurrPos < fEndPos) {
                    do {
                        ch = fBuffer.getChar(fCurrPos++);
                    } while (ch == '*');
                } else {
                    return -1;
                }
            }
        }
        fWasNewLine = IndentManipulation.isLineDelimiterChar(ch);

        return ch;
    }
    return -1;
}

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From source file:com.siteview.mde.internal.ui.editor.contentassist.display.JavaDocCommentReader.java

License:Open Source License

/**
 * @see java.io.Reader#read()//from   w  w  w.  j  ava  2 s  . c o  m
 */
public int read() {
    if (fCurrPos < fEndPos) {
        char ch;
        if (fWasNewLine) {
            do {
                ch = fBuffer.getChar(fCurrPos++);
            } while (fCurrPos < fEndPos && Character.isWhitespace(ch));
            if (ch == '*') {
                if (fCurrPos < fEndPos) {
                    do {
                        ch = fBuffer.getChar(fCurrPos++);
                    } while (ch == '*');
                } else {
                    return -1;
                }
            }
        } else {
            ch = fBuffer.getChar(fCurrPos++);
        }
        fWasNewLine = IndentManipulation.isLineDelimiterChar(ch);

        return ch;
    }
    return -1;
}

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From source file:org.eclim.plugin.jdt.util.JavaUtils.java

License:Open Source License

/**
 * Format a region in the supplied source file.
 *
 * @param src The ICompilationUnit.//from  ww  w  .  ja  va2  s. com
 * @param kind The kind of code snippet to format.
 * @param offset The starting offset of the region to format.
 * @param length The length of the region to format.
 */
public static void format(ICompilationUnit src, int kind, int offset, int length) throws Exception {
    IBuffer buffer = src.getBuffer();
    String contents = buffer.getContents();
    String delimiter = StubUtility.getLineDelimiterUsed(src);
    DefaultCodeFormatter formatter = new DefaultCodeFormatter(src.getJavaProject().getOptions(true));

    // when the eclipse indent settings differ from vim (tabs vs spaces) then
    // the inserted method's indent may be a bit off. this is a workaround to
    // force reformatting of the code from the start of the line to the start of
    // the next set of code following the new method. Doesn't quite fix indent
    // formatting of methods in nested classes.
    while (offset > 0 && !IndentManipulation.isLineDelimiterChar(buffer.getChar(offset - 1))) {
        offset--;
        length++;
    }
    while ((offset + length) < contents.length()
            && IndentManipulation.isLineDelimiterChar(buffer.getChar(offset + length))) {
        length++;
    }

    TextEdit edits = formatter.format(kind, contents, offset, length, 0, delimiter);
    if (edits != null) {
        int oldLength = contents.length();
        Document document = new Document(contents);
        edits.apply(document);

        String formatted = document.get();

        // jdt formatter can introduce trailing whitespace (javadoc comments), so
        // we'll remove all trailing whitespace from the formatted section (unless
        // the user has configured eclim not to do so).
        length += formatted.length() - oldLength;
        if (offset < (offset + length)) {
            String stripTrailingWhitespace = Preferences.getInstance().getValue(
                    src.getJavaProject().getProject(), "org.eclim.java.format.strip_trialing_whitespace");
            if ("true".equals(stripTrailingWhitespace)) {
                String pre = formatted.substring(0, offset);
                StringBuffer section = new StringBuffer(formatted.substring(offset, offset + length));
                StringBuffer post = new StringBuffer(formatted.substring(offset + length));
                // account for section not ending at a line delimiter
                while (!section.toString().endsWith(delimiter) && post.length() > 0) {
                    section.append(post.charAt(0));
                    post.deleteCharAt(0);
                }

                Matcher matcher = TRAILING_WHITESPACE.matcher(section);
                String stripped = matcher.replaceAll(StringUtils.EMPTY);

                src.getBuffer().setContents(pre + stripped + post);
            } else {
                src.getBuffer().setContents(formatted);
            }
        } else {
            src.getBuffer().setContents(formatted);
        }

        if (src.isWorkingCopy()) {
            src.commitWorkingCopy(true, null);
        }
        src.save(null, false);
    }
}

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