Example usage for com.google.gwt.core.client JsArrayString length

Introduction

In this page you can find the example usage for com.google.gwt.core.client JsArrayString length.

Prototype

public final native int length() ;

Source Link

Document

Gets the length of the array.

Usage

From source file:org.rstudio.studio.client.common.r.roxygen.RoxygenHelper.java

License:Open Source License

private void amendExistingRoxygenBlock(int row, String objectName, JsArrayString argNames,
        JsArrayString argTypes, String tagName, Pattern pattern) {
    // Get the range encompassing this Roxygen block.
    Range range = getRoxygenBlockRange(row);

    // Extract that block (as an array of strings)
    JsArrayString block = extractRoxygenBlock(editor_.getWidget().getEditor(), range);

    // If the block contains roxygen parameters that require
    // non-local information (e.g. @inheritParams), then
    // bail.//from   ww w  .  j a v a  2 s .co m
    for (int i = 0; i < block.length(); i++) {
        if (RE_ROXYGEN_NONLOCAL.test(block.get(i))) {
            view_.showWarningBar(
                    "Cannot automatically update roxygen blocks " + "that are not self-contained.");
            return;
        }
    }

    String roxygenDelim = RE_ROXYGEN.match(block.get(0), 0).getGroup(1);

    // The replacement block (we build by munging parts of
    // the old block
    JsArrayString replacement = JsArray.createArray().cast();

    // Scan through the block to get the names of
    // pre-existing parameters.
    JsArrayString params = listParametersInRoxygenBlock(block, pattern);

    // Figure out what parameters need to be removed, and remove them.
    // Any parameter not mentioned in the current function's argument list
    // should be stripped out.
    JsArrayString paramsToRemove = setdiff(params, argNames);

    int blockLength = block.length();
    for (int i = 0; i < blockLength; i++) {
        // If we encounter a param we don't want to extract, then
        // move over it.
        Match match = pattern.match(block.get(i), 0);
        if (match != null && contains(paramsToRemove, match.getGroup(1))) {
            i++;
            while (i < blockLength && !RE_ROXYGEN_WITH_TAG.test(block.get(i)))
                i++;

            i--;
            continue;
        }

        replacement.push(block.get(i));
    }

    // Now, add example roxygen for any parameters that are
    // present in the function prototype, but not present
    // within the roxygen block.
    int insertionPosition = findParamsInsertionPosition(replacement, pattern);
    JsArrayInteger indices = setdiffIndices(argNames, params);

    // NOTE: modifies replacement
    insertNewTags(replacement, argNames, argTypes, indices, roxygenDelim, tagName, insertionPosition);

    // Ensure space between final param and next tag
    ensureSpaceBetweenFirstParamAndPreviousEntry(replacement, roxygenDelim, pattern);
    ensureSpaceBetweenFinalParamAndNextTag(replacement, roxygenDelim, pattern);

    // Apply the replacement.
    editor_.getSession().replace(range, replacement.join("\n") + "\n");
}

From source file:org.rstudio.studio.client.common.r.roxygen.RoxygenHelper.java

License:Open Source License

private void ensureSpaceBetweenFirstParamAndPreviousEntry(JsArrayString replacement, String roxygenDelim,
        Pattern pattern) {/* ww w  . j  a  v a  2  s .  c o m*/
    int n = replacement.length();
    for (int i = 1; i < n; i++) {
        if (pattern.test(replacement.get(i))) {
            if (!RE_ROXYGEN_EMPTY.test(replacement.get(i - 1)))
                spliceIntoArray(replacement, roxygenDelim, i);
            return;
        }
    }
}

From source file:org.rstudio.studio.client.common.r.roxygen.RoxygenHelper.java

License:Open Source License

private void ensureSpaceBetweenFinalParamAndNextTag(JsArrayString replacement, String roxygenDelim,
        Pattern pattern) {//www .j a  va  2  s  . c om
    int n = replacement.length();
    for (int i = n - 1; i >= 0; i--) {
        if (pattern.test(replacement.get(i))) {
            i++;
            if (i < n && RE_ROXYGEN_WITH_TAG.test(replacement.get(i))) {
                spliceIntoArray(replacement, roxygenDelim, i);
            }
            return;
        }
    }
}

From source file:org.rstudio.studio.client.common.r.roxygen.RoxygenHelper.java

License:Open Source License

private int findParamsInsertionPosition(JsArrayString block, Pattern pattern) {
    // Try to find the last '@param' block, and insert after that.
    int n = block.length();
    for (int i = n - 1; i >= 0; i--) {
        if (pattern.test(block.get(i))) {
            i++;//from  ww  w.  j  a v  a 2  s.  c  o  m

            // Move up to the next tag (or end)
            while (i < n && !RE_ROXYGEN_WITH_TAG.test(block.get(i)))
                i++;

            return i - 1;
        }
    }

    // Try to find the first tag, and insert before that.
    for (int i = 0; i < n; i++)
        if (RE_ROXYGEN_WITH_TAG.test(block.get(i)))
            return i;

    // Just insert at the end
    return block.length();
}

From source file:org.rstudio.studio.client.common.r.roxygen.RoxygenHelper.java

License:Open Source License

private static JsArrayString setdiff(JsArrayString self, JsArrayString other) {
    JsArrayString result = JsArray.createArray().cast();
    for (int i = 0; i < self.length(); i++)
        if (!contains(other, self.get(i)))
            result.push(self.get(i));//from   w  w w .  j a v a2 s  .  c o  m
    return result;
}

From source file:org.rstudio.studio.client.common.r.roxygen.RoxygenHelper.java

License:Open Source License

private static JsArrayInteger setdiffIndices(JsArrayString self, JsArrayString other) {
    JsArrayInteger result = JsArray.createArray().cast();
    for (int i = 0; i < self.length(); i++)
        if (!contains(other, self.get(i)))
            result.push(i);/*from w  w w  .j  ava2 s.com*/
    return result;
}

From source file:org.rstudio.studio.client.common.r.roxygen.RoxygenHelper.java

License:Open Source License

private JsArrayString listParametersInRoxygenBlock(JsArrayString block, Pattern pattern) {
    JsArrayString roxygenParams = JsArrayString.createArray().cast();
    for (int i = 0; i < block.length(); i++) {
        String line = block.get(i);
        Match match = pattern.match(line, 0);
        if (match != null)
            roxygenParams.push(match.getGroup(1));
    }/*from w w  w . j a va 2 s .  c  om*/

    return roxygenParams;
}

From source file:org.rstudio.studio.client.common.r.roxygen.RoxygenHelper.java

License:Open Source License

private void insertRoxygenTemplate(String name, JsArrayString argNames, JsArrayString argTypes,
        String argTagName, String type, Position position) {
    String roxygenParams = argsToExampleRoxygen(argNames, argTypes, argTagName);

    // Add some spacing between params and the next tags,
    // if there were one or more arguments.
    if (argNames.length() != 0)
        roxygenParams += "\n#'\n";

    String block = "#' Title\n" + "#'\n" + roxygenParams + "#' @return\n" + "#' @export\n" + "#'\n"
            + "#' @examples\n";

    Position insertionPosition = Position.create(position.getRow(), 0);

    editor_.insertCode(insertionPosition, block);
}

From source file:org.rstudio.studio.client.common.r.roxygen.RoxygenHelper.java

License:Open Source License

private String argsToExampleRoxygen(JsArrayString argNames, JsArrayString argTypes, String tagName) {
    String roxygen = "";
    if (argNames.length() == 0)
        return "";

    if (argTypes == null) {
        roxygen += argToExampleRoxygen(argNames.get(0), null, tagName);
        for (int i = 1; i < argNames.length(); i++)
            roxygen += "\n" + argToExampleRoxygen(argNames.get(i), null, tagName);
    } else {/*  w w  w  .  ja  v a 2s. co  m*/
        roxygen += argToExampleRoxygen(argNames.get(0), argTypes.get(0), tagName);
        for (int i = 1; i < argNames.length(); i++)
            roxygen += "\n" + argToExampleRoxygen(argNames.get(i), argTypes.get(i), tagName);
    }

    return roxygen;
}

From source file:org.rstudio.studio.client.common.spelling.ui.SpellingCustomDictionariesWidget.java

License:Open Source License

public void setDictionaries(JsArrayString dictionaries) {
    listBox_.clear();//from w  w w  .j  a  v a 2 s.  co  m
    for (int i = 0; i < dictionaries.length(); i++)
        listBox_.addItem(dictionaries.get(i));
}