/**
* Chooses tokens from the file cache that match the specified pattern.
*
* @param pattern file pattern
* @param search search string
* @param mode search mode (0-2)
* @param results search result
* @param exclude exclude file from content search
* @param pathSearch path flag
* @param pc file cache
* @param id search id
* @throws InterruptedException interruption
*/
private void filter(
final String pattern,
final int[] search,
final int mode,
final TreeSet<String> results,
final HashSet<String> exclude,
final boolean pathSearch,
final ProjectCache pc,
final long id)
throws InterruptedException {
if (results.size() >= MAXHITS) return;
for (final String path : pc) {
// check if current file matches the pattern
final String lc = path.toLowerCase(Locale.ENGLISH).replace('\\', '/');
final int offset = offset(lc, pathSearch);
if (mode == 0
? lc.startsWith(pattern, offset)
: mode == 1 ? (lc.indexOf(pattern, offset) != -1) : matches(lc, pattern, offset)) {
if (!exclude.contains(path)) {
exclude.add(path);
if (filterContent(path, search)) {
results.add(path);
if (results.size() >= MAXHITS) return;
}
}
}
if (id != filterId) throw new InterruptedException();
}
}
/**
* Chooses files that match the specified pattern.
*
* @param file file filter
* @param content content filter
* @param root root directory
* @return sorted file paths
* @throws InterruptedException interruption
*/
String[] filter(final String file, final String content, final IOFile root)
throws InterruptedException {
final long id = ++filterId;
final TreeSet<String> results = new TreeSet<>();
final int[] search = new TokenParser(Token.lc(Token.token(content))).toArray();
// glob pattern
final ProjectCache pc = cache(root);
if (file.contains("*") || file.contains("?")) {
final Pattern pt = Pattern.compile(IOFile.regex(file));
for (final String path : pc) {
final int offset = offset(path, true);
if (pt.matcher(path.substring(offset)).matches() && filterContent(path, search)) {
results.add(path);
if (results.size() >= MAXHITS) break;
}
if (id != filterId) throw new InterruptedException();
}
} else {
// starts-with, contains, camel case
final String pttrn = file.toLowerCase(Locale.ENGLISH).replace('\\', '/');
final HashSet<String> exclude = new HashSet<>();
final boolean pathSearch = pttrn.indexOf('/') != -1;
for (int i = 0; i < (pathSearch ? 2 : 3); i++) {
filter(pttrn, search, i, results, exclude, pathSearch, pc, id);
}
}
return results.toArray(new String[results.size()]);
}