/**
* @param line a line in the text.
* @return the offset of the last non-whitespace character.
*/
public static int getLastNonWhiteSpaceOffset(
final TextContent content, final LineInformation line) {
if (line.getLength() == 0) {
return line.getBeginOffset();
}
int index = line.getEndOffset() - 1;
final int begin = line.getBeginOffset();
while (index > begin) {
final String s = content.getText(index, 1);
if (!isWhiteSpace(s)) {
break;
}
index--;
}
return index;
}
/** @return true, if the last character in the text buffer is newline */
public static boolean endsWithEOL(final EditorAdaptor editor) {
final TextContent content = editor.getModelContent();
final LineInformation line = content.getLineInformation(content.getNumberOfLines() - 1);
return line.getNumber() > 0 && line.getLength() == 0;
}
/** @return true, if line contains only whitespace characters */
public static boolean isLineBlank(final TextContent content, final int lineNo) {
final LineInformation line = content.getLineInformation(lineNo);
return VimUtils.isBlank(content.getText(line.getBeginOffset(), line.getLength()));
}
