Examples with Token org.rstudio.studio.client.workbench.views.source.editors.text.ace.Token used on opensource projects

Example 1 with Token

use of org.rstudio.studio.client.workbench.views.source.editors.text.ace.Token in project rstudio by rstudio.

the class MathJaxUtil method findLatexChunks.

public static List<Range> findLatexChunks(DocDisplay docDisplay) {
    docDisplay.tokenizeDocument();
    List<Range> ranges = new ArrayList<Range>();
    Position startPos = null;
    for (int i = 0, n = docDisplay.getRowCount(); i < n; i++) {
        Position pos = Position.create(i, 0);
        Token token = docDisplay.getTokenAt(Position.create(i, 0));
        if (token == null)
            continue;
        if (token.hasAllTypes("latex", "begin") && token.getValue().equals("$$")) {
            startPos = pos;
            // get the length of this line to see if it could be an inline
            // LaTeX chunk (e.g. $$ x = y $$)
            int length = docDisplay.getLength(i);
            if (length < 5)
                continue;
            // get the last token on the row; if it's a LaTeX end token then
            // consider the row to be an inline LaTeX chunk
            Token endLineToken = docDisplay.getTokenAt(Position.create(i, docDisplay.getLength(i)));
            if (endLineToken != null && endLineToken.hasAllTypes("latex", "end")) {
                ranges.add(Range.fromPoints(startPos, Position.create(i, length)));
            }
            continue;
        }
        if (token.hasAllTypes("latex", "end") && token.getValue().equals("$$")) {
            ranges.add(Range.fromPoints(startPos, Position.create(i, 2)));
            continue;
        }
    }
    return ranges;
}

Example 2 with Token

use of org.rstudio.studio.client.workbench.views.source.editors.text.ace.Token in project rstudio by rstudio.

the class ImagePreviewer method onPreviewLink.

public static void onPreviewLink(DocDisplay display, DocUpdateSentinel sentinel, UIPrefs prefs, Position position) {
    Token token = display.getTokenAt(position);
    if (token == null)
        return;
    if (!token.hasType("href"))
        return;
    Range tokenRange = Range.fromPoints(Position.create(position.getRow(), token.getColumn()), Position.create(position.getRow(), token.getColumn() + token.getValue().length()));
    String href = token.getValue();
    if (ImagePreviewer.isImageHref(href)) {
        // extract HTML attributes from line for markdown links, e.g.
        //
        //    ![](plot.png){width=400 height=400}
        //
        String attributes = null;
        String line = display.getLine(position.getRow());
        if (isStandaloneMarkdownLink(line)) {
            int startBraceIdx = line.indexOf("){");
            int endBraceIdx = line.lastIndexOf("}");
            if (startBraceIdx != -1 && endBraceIdx != -1 && endBraceIdx > startBraceIdx) {
                attributes = line.substring(startBraceIdx + 2, endBraceIdx).trim();
            }
        }
        onPreviewImage(display, sentinel, prefs, href, attributes, position, tokenRange);
    }
}

Example 3 with Token

use of org.rstudio.studio.client.workbench.views.source.editors.text.ace.Token in project rstudio by rstudio.

the class EditingTargetCodeExecution method executeInlineChunk.

private boolean executeInlineChunk() {
    if (!docDisplay_.getSelection().isEmpty())
        return false;
    Token token = docDisplay_.getTokenAt(docDisplay_.getCursorPosition());
    if (token == null || !token.hasType("inline_r_chunk"))
        return false;
    // construct range to execute, trimming off the "`r ...`" boundaries
    int row = docDisplay_.getCursorPosition().getRow();
    int startColumn = token.getColumn() + 3;
    int endColumn = token.getColumn() + token.getValue().length() - 1;
    Range range = Range.create(row, startColumn, row, endColumn);
    inlineChunkExecutor_.execute(range);
    return true;
}

Example 4 with Token

use of org.rstudio.studio.client.workbench.views.source.editors.text.ace.Token in project rstudio by rstudio.

the class SignatureToolTipManager method setAnchor.

// Sets an anchored range for a cursor currently lying
// on an identifier before a '(' (a function call).
private void setAnchor(TokenCursor cursor) {
    if (anchor_ != null) {
        anchor_.detach();
        anchor_ = null;
    }
    TokenCursor endCursor = cursor.cloneCursor();
    if (!endCursor.moveToNextToken())
        return;
    if (!endCursor.valueEquals("("))
        return;
    // this function?
    if (!endCursor.fwdToMatchingToken())
        return;
    Position endPos = endCursor.currentPosition();
    TokenCursor startCursor = cursor.cloneCursor();
    Token lookbehind = startCursor.peekBwd(1);
    if (lookbehind.valueEquals("::") || lookbehind.valueEquals(":::")) {
        if (!startCursor.moveToPreviousToken())
            return;
        if (!startCursor.moveToPreviousToken())
            return;
    }
    Position startPos = startCursor.currentPosition();
    anchor_ = docDisplay_.createAnchoredSelection(startPos, endPos);
}

Example 5 with Token

use of org.rstudio.studio.client.workbench.views.source.editors.text.ace.Token in project rstudio by rstudio.

the class MathJaxUtil method getLatexRange.

public static Range getLatexRange(DocDisplay docDisplay, Position pos) {
    if (pos == null)
        pos = docDisplay.getCursorPosition();
    // find start of latex block
    TokenIterator startIt = docDisplay.createTokenIterator();
    // avoid case where token iterator moves back across lines
    // to discover a latex block
    Token startToken = startIt.moveToPosition(pos);
    if (startToken != null && startToken.hasAllTypes("latex", "end") && startIt.getCurrentTokenRow() != pos.getRow()) {
        return null;
    }
    for (Token token = startIt.moveToPosition(pos); token != null; token = startIt.stepBackward()) {
        if (!token.hasType("latex"))
            return null;
        if (token.hasType("begin"))
            break;
    }
    // find end of latex block
    TokenIterator endIt = docDisplay.createTokenIterator();
    for (Token token = endIt.moveToPosition(pos); token != null; token = endIt.stepForward()) {
        if (!token.hasType("latex"))
            return null;
        if (token.hasType("end"))
            break;
    }
    Token lhsToken = startIt.getCurrentToken();
    if (lhsToken == null || !lhsToken.hasAllTypes("latex", "begin"))
        return null;
    Token rhsToken = endIt.getCurrentToken();
    if (rhsToken == null || !rhsToken.hasAllTypes("latex", "end"))
        return null;
    Position startPos = startIt.getCurrentTokenPosition();
    Position endPos = endIt.getCurrentTokenPosition();
    endPos.setColumn(endPos.getColumn() + endIt.getCurrentToken().getValue().length());
    return Range.fromPoints(startPos, endPos);
}