static bool find_next(const String &line, String pattern, int from, bool match_case, bool whole_words, int &out_begin, int &out_end) {
int end = from;
while (true) {
int begin = match_case ? line.find(pattern, end) : line.findn(pattern, end);
if (begin == -1)
return false;
end = begin + pattern.length();
out_begin = begin;
out_end = end;
if (whole_words) {
if (begin > 0 && is_text_char(line[begin - 1])) {
continue;
}
if (end < line.size() && is_text_char(line[end])) {
continue;
}
}
return true;
}
}
void FindInFiles::_scan_file(String fpath) {
FileAccess *f = FileAccess::open(fpath, FileAccess::READ);
if (f == NULL) {
print_line(String("Cannot open file ") + fpath);
return;
}
int line_number = 0;
while (!f->eof_reached()) {
// line number starts at 1
++line_number;
int begin = 0;
int end = 0;
String line = f->get_line();
// Find all occurrences in the current line
while (true) {
begin = _match_case ? line.find(_pattern, end) : line.findn(_pattern, end);
if (begin == -1)
break;
end = begin + _pattern.length();
if (_whole_words) {
if (begin > 0 && is_text_char(line[begin - 1])) {
continue;
}
if (end < line.size() && is_text_char(line[end])) {
continue;
}
}
emit_signal(SIGNAL_RESULT_FOUND, fpath, line_number, begin, end, line);
}
}
f->close();
}
