private static void AddInMap(string prefix, string tail, string code, SortedDictionary <string, AreaInfo> map) { AreaInfo ai; if (map.TryGetValue(prefix, out ai)) { ai.AddTailCode(tail, code); } else { ai = new AreaInfo(); ai.AddTailCode(tail, code); map[prefix] = ai; } }
public static bool Load(string path) { try { _trie = new DoubleArrayTrie <AreaInfo>(); var valueArr = LoadDat(path + ".value.dat"); if (valueArr != null) { if (_trie.Load(path + ".trie.dat", valueArr)) { return(true); } } // 读取txt文件 var map = new SortedDictionary <string, AreaInfo>(StrComparer.Default); foreach (var line in File.ReadLines(path)) { if (string.IsNullOrWhiteSpace(line)) { continue; } var segs = line.Split(new[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries); var code = segs[0]; for (int i = 1; i < segs.Length; i++) { var name = segs[i]; if (Invalids.Contains(name)) { continue; // 跳过无效地区名 } if (name.Length == 2) { AddInMap(name, "", code, map); } else { var lastChar = name[name.Length - 1]; if ("市省县区州旗盟".Contains(lastChar)) { AddInMap(name.Substring(0, name.Length - 1), lastChar.ToString(), code, map); } else if (name.Length < 9) { AddInMap(name, "", code, map); } var lastTwo = name.Substring(2); var prevs = name.Substring(0, name.Length - 2); if (Invalids.Contains(lastTwo)) { AddInMap(prevs, lastTwo, code, map); if (prevs.Length == 3 && "市省".Contains(prevs[2])) { AddInMap(name.Substring(0, 2), lastTwo, code, map); } } if (lastChar == '旗') { var sublast = name[2]; if ("前后左中右特".Contains(sublast)) { AddInMap(prevs, "旗", code, map); } } var subLastTwo = name.Substring(name.Length - 3, 2); if (subLastTwo == "自治") { prevs = name.Substring(0, name.Length - 3); var ends = name.Substring(name.Length - 3); AddInMap(prevs, ends, code, map); if (prevs.Length >= 4) { for (int k = 2; k < prevs.Length - 1; k++) { if (k < prevs.Length - 3) { if (Nationalities.Contains(prevs.Substring(k, 4))) { AddInMap(prevs.Substring(0, k), ends, code, map); AddInMap(prevs.Substring(0, k) + "自治", lastChar.ToString(), code, map); break; } } if (k < prevs.Length - 2) { if (Nationalities.Contains(prevs.Substring(k, 3))) { AddInMap(prevs.Substring(0, k), ends, code, map); AddInMap(prevs.Substring(0, k) + "自治", lastChar.ToString(), code, map); break; } } if (Nationalities.Contains(prevs.Substring(k, 2))) { AddInMap(prevs.Substring(0, k), ends, code, map); AddInMap(prevs.Substring(0, k) + "自治", lastChar.ToString(), code, map); break; } } } } } } } _trie = new DoubleArrayTrie <AreaInfo>(); _trie.Build(map); valueArr = new AreaInfo[map.Count]; int m = 0; foreach (var v in map.Values) { valueArr[m++] = v; } var fs = new FileStream(path + ".trie.dat", FileMode.Create, FileAccess.Write); _trie.Save(fs); fs.Close(); SaveDat(path + ".value.dat", valueArr); return(true); } catch (Exception e) { return(false); } }