@Override
public Object visit(ASTCompilationUnit cUnit, Object data) {
for (Comment comment : cUnit.getComments()) {
if (hasTooManyLines(comment)) {
addViolationWithMessage(
data,
cUnit,
this.getMessage() + ": Too many lines",
comment.getBeginLine(),
comment.getEndLine());
}
List<Integer> lineNumbers = overLengthLineIndicesIn(comment);
if (lineNumbers.isEmpty()) {
continue;
}
for (Integer lineNum : lineNumbers) {
addViolationWithMessage(
data, cUnit, this.getMessage() + ": Line too long", lineNum, lineNum);
}
}
return super.visit(cUnit, data);
}
private List<Integer> overLengthLineIndicesIn(Comment comment) {
int maxLength = getProperty(MAX_LINE_LENGTH);
List<Integer> indicies = new ArrayList<>();
String[] lines = comment.getImage().split(CR);
int offset = comment.getBeginLine();
for (int i = 0; i < lines.length; i++) {
String cleaned = withoutCommentMarkup(lines[i]);
if (cleaned.length() > maxLength) {
indicies.add(i + offset);
}
}
return indicies;
}
private boolean hasTooManyLines(Comment comment) {
String[] lines = comment.getImage().split(CR);
int start = 0; // start from top
for (; start < lines.length; start++) {
if (hasRealText(lines[start])) {
break;
}
}
int end = lines.length - 1; // go up from bottom
for (; end > 0; end--) {
if (hasRealText(lines[end])) {
break;
}
}
int lineCount = end - start + 1;
return lineCount > getProperty(MAX_LINES);
}