| 2093 | } |
| 2094 | function lookupKey(name, extraMap, map, handle, stop) { |
| 2095 | function lookup(map) { |
| 2096 | map = getKeyMap(map); |
| 2097 | var found = map[name]; |
| 2098 | if (found != null && handle(found)) return true; |
| 2099 | if (map.nofallthrough) { |
| 2100 | if (stop) stop(); |
| 2101 | return true; |
| 2102 | } |
| 2103 | var fallthrough = map.fallthrough; |
| 2104 | if (fallthrough == null) return false; |
| 2105 | if (Object.prototype.toString.call(fallthrough) != "[object Array]") |
| 2106 | return lookup(fallthrough); |
| 2107 | for (var i = 0, e = fallthrough.length; i < e; ++i) { |
| 2108 | if (lookup(fallthrough[i])) return true; |
| 2109 | } |
| 2110 | return false; |
| 2111 | } |
| 2112 | if (extraMap && lookup(extraMap)) return true; |
| 2113 | return lookup(map); |
| 2114 | } |