Examples with ITextRegionAccess org.eclipse.xtext.formatting2.regionaccess.ITextRegionAccess used on opensource projects

Example 71 with ITextRegionAccess

use of org.eclipse.xtext.formatting2.regionaccess.ITextRegionAccess in project xtext-core by eclipse.

the class TextRegionsWithTitleToString method toString.

@Override
public String toString() {
    ITextRegionAccess access = getTextRegionAccess();
    ITextSegment frame = getFrame();
    if (access == null || frame == null)
        return "(null)";
    ITextRegionRewriter rewriter = access.getRewriter();
    StringBuilder builder = new StringBuilder();
    List<ITextReplacement> replacements = Lists.newArrayList();
    for (int i = 0; i < this.items.size(); i++) {
        Item item = this.items.get(i);
        ITextSegment region = item.getRegion();
        String regionStr = "offset=" + region.getOffset() + " length=" + region.getLength();
        String open = i < BRACKETS_OPEN.length ? BRACKETS_OPEN[i] : "[" + i + "[";
        String close = i < BRACKETS_CLOSE.length ? BRACKETS_CLOSE[i] : "]" + i + "]";
        builder.append(open + close + ": " + item.getTitle() + " at " + regionStr + "\n");
        replacements.add(rewriter.createReplacement(region.getOffset(), 0, open));
        replacements.add(rewriter.createReplacement(region.getEndOffset(), 0, close));
    }
    String vizualized = rewriter.renderToString(frame, replacements);
    builder.append(box("document snippet", vizualized));
    return builder.toString();
}

Example 72 with ITextRegionAccess

use of org.eclipse.xtext.formatting2.regionaccess.ITextRegionAccess in project xtext-core by eclipse.

the class MultilineCommentReplacer method createReplacements.

@Override
public ITextReplacerContext createReplacements(ITextReplacerContext context) {
    if (!multiline)
        return context;
    IComment comment = getComment();
    ITextRegionAccess access = comment.getTextRegionAccess();
    List<ILineRegion> lines = comment.getLineRegions();
    String oldIndentation = lines.get(0).getIndentation().getText();
    String indentationString = context.getIndentationString();
    String newIndentation = indentationString + " " + prefix + " ";
    for (int i = 1; i < lines.size() - 1; i++) {
        ITextSegment line = lines.get(i);
        String text = line.getText();
        int prefixOffset = prefixOffset(text);
        ITextSegment target;
        if (prefixOffset >= 0)
            target = access.regionForOffset(line.getOffset(), prefixOffset + 1);
        else if (text.startsWith(oldIndentation))
            target = access.regionForOffset(line.getOffset(), oldIndentation.length());
        else
            target = access.regionForOffset(line.getOffset(), 0);
        context.addReplacement(target.replaceWith(newIndentation));
    }
    if (lines.size() > 1) {
        ILineRegion line = lines.get(lines.size() - 1);
        context.addReplacement(line.getIndentation().replaceWith(indentationString + " "));
    }
    return context;
}

Example 73 with ITextRegionAccess

use of org.eclipse.xtext.formatting2.regionaccess.ITextRegionAccess in project xtext-core by eclipse.

the class TextReplacerContext method isWrapSincePrevious.

@Override
public boolean isWrapSincePrevious() {
    ITextRegionAccess access = getDocument().getRequest().getTextRegionAccess();
    ITextSegment region = getRegion(0);
    ITextSegment previousRegion = getRegion(1);
    if (previousRegion != null) {
        int offset = previousRegion.getEndOffset();
        String between = access.textForOffset(offset, region.getOffset() - offset);
        if (between.contains("\n")) {
            return true;
        }
    }
    return false;
}

Example 74 with ITextRegionAccess

use of org.eclipse.xtext.formatting2.regionaccess.ITextRegionAccess in project xtext-core by eclipse.

the class TextReplacerContext method getLeadingCharsInLineCount.

@Override
public int getLeadingCharsInLineCount() {
    ITextRegionAccess access = getDocument().getRequest().getTextRegionAccess();
    int lastOffset = replacer.getRegion().getOffset();
    ITextReplacerContext current = this;
    int count = 0;
    while (current != null) {
        Iterator<ITextReplacement> localReplacements = current.getLocalReplacementsReverse().iterator();
        while (localReplacements.hasNext()) {
            ITextReplacement rep = localReplacements.next();
            int endOffset = rep.getEndOffset();
            if (endOffset > lastOffset) {
                // System.out.println("error");
                continue;
            }
            String between = access.textForOffset(endOffset, lastOffset - endOffset);
            int idx = between.lastIndexOf('\n');
            if (idx >= 0)
                return count + logicalLength(between.substring(idx + 1));
            count += logicalLength(between);
            String text = rep.getReplacementText();
            int idx2 = text.lastIndexOf('\n');
            if (idx2 >= 0)
                return count + logicalLength(text.substring(idx2 + 1));
            count += logicalLength(text);
            lastOffset = rep.getOffset();
        }
        current = current.getPreviousContext();
    }
    String rest = access.textForOffset(0, lastOffset);
    int idx = rest.lastIndexOf('\n');
    if (idx >= 0)
        return count + logicalLength(rest.substring(idx + 1));
    count += lastOffset;
    return count;
}

Example 75 with ITextRegionAccess

use of org.eclipse.xtext.formatting2.regionaccess.ITextRegionAccess in project xtext-core by eclipse.

the class LineRegion method getNextLine.

@Override
public ILineRegion getNextLine() {
    ITextRegionAccess access = getTextRegionAccess();
    int start = getEndOffset() + 1;
    String text = access.regionForDocument().getText();
    while (true) {
        if (start >= text.length())
            return null;
        char c = text.charAt(start);
        if (c == '\n' || c == '\r')
            start++;
        else
            break;
    }
    int end = text.indexOf('\n', start);
    if (end > 0) {
        if (text.charAt(end - 1) == '\r')
            end = end - 1;
    } else
        end = text.length();
    return new LineRegion(access, start, end - start);
}