/// <summary>
/// 查询
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public List <string> Find(string key)
{
if (string.IsNullOrEmpty(key))
{
return(null);
}
key = key.ToUpper();
var hasPinyin = Regex.IsMatch(key, "[a-zA-Z]");
if (hasPinyin == false)
{
List <string> rs = new List <string>();
for (int i = 0; i < _keywords.Length; i++)
{
var keyword = _keywords[i];
if (keyword.Contains(key))
{
rs.Add(keyword);
}
}
return(rs);
}
var pykeys = SplitKeywords(key);
var minLength = int.MaxValue;
List <Tuple <string, string[]> > list = new List <Tuple <string, string[]> >();
foreach (var pykey in pykeys)
{
var keys = pykey.Split((char)0);
if (minLength > keys.Length)
{
minLength = keys.Length;
}
MergeKeywords(keys, 0, "", list);
}
PinyinSearch search = new PinyinSearch();
search.SetKeywords(list);
List <String> result = new List <string>();
for (int i = 0; i < _keywords.Length; i++)
{
var keywords = _keywords[i];
if (keywords.Length < minLength)
{
continue;
}
var fpy = _keywordsFirstPinyin[i];
var pylist = _keywordsPinyin[i];
if (search.Find(fpy, keywords, pylist))
{
result.Add(keywords);
}
}
return(result);
}
/// <summary>
/// 查询
/// </summary>
/// <param name="keywords"></param>
/// <returns></returns>
public List <T> Find(string keywords)
{
if (_keywordsFunc == null)
{
throw new Exception("请先使用SetKeywordsFunc方法。");
}
keywords = keywords.ToUpper().Trim();
if (string.IsNullOrEmpty(keywords))
{
return(null);
}
List <T> result = new List <T>();
var hasPinyin = Regex.IsMatch(keywords, "[a-zA-Z]");
if (hasPinyin == false)
{
foreach (var item in _list)
{
var keyword = _keywordsFunc(item);
if (keyword.Contains(keywords))
{
result.Add(item);
}
}
return(result);
}
var pykeys = SplitKeywords(keywords);
var minLength = int.MaxValue;
List <Tuple <string, string[]> > list = new List <Tuple <string, string[]> >();
foreach (var pykey in pykeys)
{
var keys = pykey.Split((char)0);
if (minLength > keys.Length)
{
minLength = keys.Length;
}
MergeKeywords(keys, 0, "", list);
}
PinyinSearch search = new PinyinSearch();
search.SetKeywords(list);
foreach (var item in _list)
{
var keyword = _keywordsFunc(item);
if (keyword.Length < minLength)
{
continue;
}
string fpy = "";
string[] pylist;
if (_pinyinFunc == null)
{
pylist = PinyinDict.GetPinyinList(keyword);
}
else
{
pylist = _pinyinFunc(item).Split(_splitChar);
}
for (int j = 0; j < pylist.Length; j++)
{
pylist[j] = pylist[j].ToUpper();
fpy += pylist[j][0];
}
if (search.Find(fpy, keyword, pylist))
{
result.Add(item);
}
}
return(result);
}
/// <summary>
/// 查询索引号
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public List <int> FindIndex(string key)
{
key = key.ToUpper().Trim();
if (string.IsNullOrEmpty(key))
{
return(null);
}
var hasPinyin = Regex.IsMatch(key, "[a-zA-Z]");
if (hasPinyin == false)
{
List <int> rs = new List <int>();
for (int i = 0; i < _keywords.Count; i++)
{
var keyword = _keywords[i];
if (keyword.Contains(key))
{
if (_indexs == null)
{
rs.Add(i);
}
else
{
rs.Add(_indexs[i]);
}
}
}
return(rs);
}
var pykeys = SplitKeywords(key);
var minLength = int.MaxValue;
var minKeys = new HashSet <char>();
List <Tuple <string, string[]> > list = new List <Tuple <string, string[]> >();
foreach (var pykey in pykeys)
{
var keys = pykey.Split((char)0);
if (minLength > keys.Length)
{
minLength = keys.Length;
foreach (var k in keys)
{
minKeys.Add(k[0]);
}
}
else if (minLength == keys.Length)
{
var newKeys = new HashSet <char>();
foreach (var k in keys)
{
newKeys.Add(k[0]);
}
minKeys.IntersectWith(newKeys);
}
MergeKeywords(keys, 0, "", list);
}
ulong hash = 0;
foreach (var k in minKeys)
{
hash = BuildHashByChar(hash, k);
}
hash = BuildHashByLength(hash, minLength);
PinyinSearch search = new PinyinSearch();
search.SetKeywords(list);
List <int> result = new List <int>();
for (int i = 0; i < _keywords.Count; i++)
{
if ((_hash[i] & hash) != hash)
{
continue;
}
var keywords = _keywords[i];
var fpy = _keywordsFirstPinyin[i];
var pylist = _keywordsPinyin[i];
if (search.Find(fpy, keywords, pylist))
{
if (_indexs == null || _indexs.Count < i)
{
result.Add(i);
}
else
{
result.Add(_indexs[i]);
}
}
}
return(result);
}