- char *d = dst;
- const char *s = src;
- size_t n = siz;
-
- /* Copy as many bytes as will fit */
- if (n != 0 && --n != 0)
- {
- do
- {
- if ((*d++ = *s++) == 0)
- break;
- } while (--n != 0);
- }
-
- /* Not enough room in dst, add NUL and traverse rest of src */
- if (n == 0)
- {
- if (siz != 0)
- *d = '\0'; /* NUL-terminate dst */
- while (*s++)
- ;
- }
-
- return(s - src - 1); /* count does not include NUL */
+ // If the token is empty or contains just whitespace it is invalid.
+ if (token.empty() || token.find_first_not_of(" \t") == std::string::npos)
+ return;
+
+ // If the token is a wildcard entry then permissive mode has been enabled.
+ if (token == "*")
+ {
+ permissive = true;
+ tokens.clear();
+ return;
+ }
+
+ // If we are in permissive mode then remove the token from the token list.
+ // Otherwise, add it to the token list.
+ if (permissive)
+ tokens.erase(token);
+ else
+ tokens.insert(token);
+}
+
+void TokenList::Clear()
+{
+ permissive = false;
+ tokens.clear();
+}
+
+bool TokenList::Contains(const std::string& token) const
+{
+ // If we are in permissive mode and the token is in the list
+ // then we don't have it.
+ if (permissive && tokens.find(token) != tokens.end())
+ return false;
+
+ // If we are not in permissive mode and the token is not in
+ // the list then we don't have it.
+ if (!permissive && tokens.find(token) == tokens.end())
+ return false;
+
+ // We have the token!
+ return true;
+}
+
+void TokenList::Remove(const std::string& token)
+{
+ // If the token is empty or contains just whitespace it is invalid.
+ if (token.empty() || token.find_first_not_of(" \t") == std::string::npos)
+ return;
+
+ // If the token is a wildcard entry then permissive mode has been disabled.
+ if (token == "*")
+ {
+ permissive = false;
+ tokens.clear();
+ return;
+ }
+
+ // If we are in permissive mode then add the token to the token list.
+ // Otherwise, remove it from the token list.
+ if (permissive)
+ tokens.insert(token);
+ else
+ tokens.erase(token);
+}
+
+std::string TokenList::ToString() const
+{
+ std::string buffer(permissive ? "*" : "-*");
+ for (insp::flat_set<std::string>::const_iterator iter = tokens.begin(); iter != tokens.end(); ++iter)
+ {
+ buffer.push_back(' ');
+ buffer.append(*iter);
+ }
+ return buffer;
+}
+
+bool TokenList::operator==(const TokenList& other) const
+{
+ // Both sets must be in the same mode to be equal.
+ if (permissive != other.permissive)
+ return false;
+
+ // Both sets must be the same size to be equal.
+ if (tokens.size() != other.tokens.size())
+ return false;
+
+ for (insp::flat_set<std::string>::const_iterator iter = tokens.begin(); iter != tokens.end(); ++iter)
+ {
+ // Both sets must contain the same tokens to be equal.
+ if (other.tokens.find(*iter) == other.tokens.end())
+ return false;
+ }
+
+ return true;