/**
* Find start and length of the element that <code>issue</code> represents in an array. The
* resulting <code>bounds</code> will include preceeding or trailing comma (not both) if present
* so that the syntax of the array is intact if the range is removed.
*
* @param txt The text containing the array
* @param issue The issue that represents the array element
* @param bounds A two element array where the start and lenght will be returned
* @return <code>true</code> if the range could be deteremined or <code>false</code> to indicate
* that the tokens expected to precede and succeed the element could not be found.
*/
public static boolean findArrayElementBounds(String txt, Issue issue, int[] bounds) {
int start = issue.getOffset();
int end = issue.getOffset() + issue.getLength();
// Find preceding comma or start of array
char c = 0;
int cma = start;
while (--cma >= 0) {
c = txt.charAt(cma);
if (c == ',' || c == '[') break;
}
if (c != ',') {
if (c != '[')
// Element must be preceeded by comma or start of array
return false;
// No preceding comma. Find trailing comma or end of array
int eot = txt.length();
cma = end;
c = 0;
while (cma < eot) {
c = txt.charAt(cma);
if (c == ',' || c == ']') break;
++cma;
}
if (c == ',') {
end = cma + 1;
// Also swallow whitespace after comma
while (end < eot && Character.isWhitespace(txt.charAt(end))) end++;
} else if (c == ']') end = cma;
else
// Neither comma nor array end follow after element.
return false;
} else start = cma;
bounds[0] = start;
bounds[1] = end - start;
return true;
}
protected String getIssueLocationText(Issue issue) {
String text = resource.getParseResult().getRootNode().getText();
String markertext = text.substring(issue.getOffset(), issue.getOffset() + issue.getLength());
return markertext.replace('\n', ' ').replace('\r', ' ');
}