private int DoSearchOldName(string keyword, int score)
{
string querystring = string.Format("oldName:\"{0}\"", keyword);
CardDescription[] cards = cardLibrary.Search(querystring);
if (cards.Length > 0)
{
for (int i = 0; i < cards.Length; i++)
{
CardDescription card = cards[i];
DictSearcherNode node = GetSearcherNodeByID(card.ID);
string[] ss = card.oldName.Split('，');
int len = card.oldName.Length;
for (int j = 0; j < ss.Length; j++)
{
if (ss[j].IndexOf(keyword) >= 0 && len > ss[j].Length)
{
len = ss[j].Length;
}
}
if (score - len > node.Score)
{
node.Score = score - len;
}
}
}
return(cards.Length);
}
public int Compare(object x, object y)
{
DictSearcherNode nx = (DictSearcherNode)x;
DictSearcherNode ny = (DictSearcherNode)y;
return(ny.Score - nx.Score);
}
public DictSearcher()
{
Result = new ArrayList(cardLibrary.GetCount());
for (int i = 0; i < cardLibrary.GetCount(); i++)
{
DictSearcherNode node = new DictSearcherNode();
node.CardIndex = i;
Result.Add(node);
}
}
private int DoSearchPYOldName(string querystring, int score)
{
CardDescription[] cards = cardLibrary.Search(querystring);
if (cards.Length > 0)
{
for (int i = 0; i < cards.Length; i++)
{
CardDescription card = cards[i];
DictSearcherNode node = GetSearcherNodeByID(card.ID);
if (score > node.Score)
{
node.Score = score;
}
}
}
return(cards.Length);
}
private int DoSearchEnName(string keyword, int score)
{
string querystring = string.Format("enName:\"{0}\"", keyword);
CardDescription[] cards = cardLibrary.Search(querystring);
if (cards.Length > 0)
{
for (int i = 0; i < cards.Length; i++)
{
CardDescription card = cards[i];
DictSearcherNode node = GetSearcherNodeByID(card.ID);
if (score - card.enName.Length > node.Score)
{
node.Score = score - card.enName.Length;
}
}
}
return(cards.Length);
}
//通常搜索，返回相似度最高的前top个搜索结果
public CardDescription[] NormalSearch(string SentenceString, int Top)
{
//转为简体
//string simplesen = CharacterSet.BIG5ToGB(SentenceString);
//这里应该是全角转半角
string simplesen = CharacterSet.SBCToDBC(SentenceString);
//过滤stopwords
simplesen = stopwrods.Replace(simplesen, " ");
//过滤标点符号
StringBuilder sb = new StringBuilder();
for (int i = 0; i < simplesen.Length; i++)
{
if (Char.IsLetterOrDigit(simplesen[i]))
{
sb.Append(simplesen[i]);
}
else
{
sb.Append(' ');
}
}
simplesen = sb.ToString();
if (simplesen.Length == 0)
{
return(new CardDescription[0]);
}
//清0
for (int i = 0; i < Result.Count; i++)
{
((DictSearcherNode)Result[i]).CardIndex = i;
((DictSearcherNode)Result[i]).Score = 0;
}
DoSearch(simplesen);
DictSearcherCompare dsc = new DictSearcherCompare();
Result.Sort(dsc);
ArrayList al = new ArrayList();
if (Top == 0)
{
Top = cardLibrary.GetCount();
}
for (int i = 0; i < Top; i++)
{
DictSearcherNode node = (DictSearcherNode)Result[i];
if (node.Score > 0)
{
CardDescription card = cardLibrary.GetCardByIndex(node.CardIndex);
al.Add(card);
}
else
{
break;
}
}
return((CardDescription[])al.ToArray(typeof(CardDescription)));
}
//智能扩展搜索，从鼠标位置自动句子中有效截取范围，返回相似度最高的前top个搜索结果
public SearchResult TopSearch(string SentenceString, int lLoc, int top)
{
SearchResult sr = new SearchResult();
//转为简体
//string simplesen = CharacterSet.BIG5ToGB(SentenceString);
//这里应该是全角转半角
string simplesen = CharacterSet.SBCToDBC(SentenceString);
//过滤stopwords
simplesen = stopwrods.Replace(simplesen, " ");
//过滤标点符号
StringBuilder sb = new StringBuilder();
int skip = 0;
for (int i = 0; i < simplesen.Length; i++)
{
if (Char.IsLetterOrDigit(simplesen[i]))
{
sb.Append(simplesen[i]);
}
else
{
sb.Append(' ');
if (i <= lLoc)
{
skip++;
}
}
}
simplesen = sb.ToString();
if (simplesen.Length == 0)
{
return(sr);
}
//清0
for (int i = 0; i < Result.Count; i++)
{
DictSearcherNode node = (DictSearcherNode)Result[i];
node.CardIndex = i;
node.Score = 0;
}
Hashtable SearchedKeyword = new Hashtable();
string lMainWord = "";
int lMainWordLenth = 0;
string rMainWord = "";
int rMainWordLenth = 0;
for (int i = lLoc; i >= 0; i--)
{
string s = simplesen.Substring(i, lLoc - i + 1);
string trims = GetTokenizerText(s);
if (trims.Length > 0 && !SearchedKeyword.ContainsKey(trims))
{
SearchedKeyword.Add(trims, 0);
if (DoSearch(s) > 0)
{
if (trims.Length > lMainWordLenth)
{
int blank = 0;
while (s[blank] == ' ')
{
blank++;
}
lMainWord = SentenceString.Substring(i + blank, lLoc - i + 1 - blank);
lMainWordLenth = trims.Length;
}
}
else
{
break;
}
}
}
for (int i = lLoc + 1; i < simplesen.Length; i++)
{
string s = simplesen.Substring(lLoc, i - lLoc + 1);
string trims = GetTokenizerText(s);
if (trims.Length > 0 && !SearchedKeyword.ContainsKey(trims))
{
SearchedKeyword.Add(trims, 0);
if (DoSearch(s) > 0)
{
if (trims.Length > rMainWordLenth)
{
int blank = 0;
while (s[blank] == ' ')
{
blank++;
}
rMainWord = SentenceString.Substring(lLoc + blank, i - lLoc + 1 - blank);
rMainWordLenth = trims.Length;
}
}
else
{
break;
}
}
}
DictSearcherCompare dsc = new DictSearcherCompare();
Result.Sort(dsc);
sr.Cards = new CardDescription[top];
if (rMainWord.Length > 1)
{
if (GetTokenizerText(SentenceString.Substring(lLoc, 1)).Length > 0)
{
sr.KeyWord = lMainWord + rMainWord.Substring(1);
}
else
{
sr.KeyWord = lMainWord + rMainWord;
}
}
else
{
sr.KeyWord = lMainWord;
}
for (int i = 0; i < top; i++)
{
sr.Cards[i] = cardLibrary.GetCardByIndex(((DictSearcherNode)Result[i]).CardIndex);
}
return(sr);
}
private int DoSearch(string keyword)
{
Result2 = new ArrayList(cardLibrary.GetCount());
for (int i = 0; i < cardLibrary.GetCount(); i++)
{
DictSearcherNode node = (DictSearcherNode)Result[i];
DictSearcherNode newnode = new DictSearcherNode();
newnode.CardIndex = node.CardIndex;
newnode.Score = node.Score;
node.Score = 0;
Result2.Add(newnode);
}
int len = GetTokenizerLength(keyword);
if (len > 5)
{
len = 5;
}
int factor = (int)Math.Pow(5, len);
int ret = 0;
ret += DoSearchShortName(keyword, 4000 * factor);
ret += DoSearchName(keyword, 2000 * factor);
ret += DoSearchJapName(keyword, 1500 * factor);
ret += DoSearchEnName(keyword, 1500 * factor);
ret += DoSearchOldName(keyword, 1000 * factor);
if (GetPingyin.GetChineseLength(keyword) <= 8)
{
int pyfactor = (int)Math.Pow(3, len);
string[] ss = GetPingyin.converts(keyword);
string s = "";
for (int i = 0; i < ss.Length; i++)
{
s += string.Format("pyname:\"{0}\"", ss[i]);
}
ret += DoSearchPYName(s, 1000 * pyfactor);
s = "";
for (int i = 0; i < ss.Length; i++)
{
s += string.Format("pyshortName:\"{0}\"", ss[i]);
}
ret += DoSearchPYShortName(s, 1000 * pyfactor);
s = "";
for (int i = 0; i < ss.Length; i++)
{
s += string.Format("pyoldName:\"{0}\"", ss[i]);
}
ret += DoSearchPYOldName(s, 500 * pyfactor);
}
for (int i = 0; i < cardLibrary.GetCount(); i++)
{
DictSearcherNode node1 = (DictSearcherNode)Result[i];
DictSearcherNode node2 = (DictSearcherNode)Result2[i];
node1.Score += node2.Score;
}
return(ret);
}
