+ NSString *website(nil);
+ NSString *sponsor(nil);
+ NSString *author(nil);
+ NSString *tag(nil);
+
+ struct {
+ const char *name_;
+ NSString **value_;
+ } names[] = {
+ {"name", &name_},
+ {"icon", &icon_},
+ {"depiction", &depiction_},
+ {"homepage", &homepage_},
+ {"website", &website},
+ {"sponsor", &sponsor},
+ {"author", &author},
+ {"tag", &tag},
+ };
+
+ while (begin != end)
+ if (*begin == '\n') {
+ ++begin;
+ continue;
+ } else if (isblank(*begin)) next: {
+ begin = static_cast<char *>(memchr(begin + 1, '\n', end - begin - 1));
+ if (begin == NULL)
+ break;
+ } else if (const char *colon = static_cast<char *>(memchr(begin, ':', end - begin))) {
+ const char *name(begin);
+ size_t size(colon - begin);
+
+ begin = static_cast<char *>(memchr(begin, '\n', end - begin));
+
+ {
+ const char *stop(begin == NULL ? end : begin);
+ while (stop[-1] == '\r')
+ --stop;
+ while (++colon != stop && isblank(*colon));
+
+ for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i)
+ if (strncasecmp(names[i].name_, name, size) == 0) {
+ NSString *value([NSString stringWithUTF8Bytes:colon length:(stop - colon)]);
+ *names[i].value_ = value;
+ break;
+ }
+ }
+
+ if (begin == NULL)
+ break;
+ ++begin;
+ } else goto next;
+