//---------------------------------------------------------------------------
public bool Open(string tDirectory)
{
Close();
// UNKDictionary Open
m_UNKDictionary = new WordDictionary();
if (m_UNKDictionary.Open(Path.Combine(tDirectory, UNK_DIC_FILE).Replace("\\", "/")) == false)
{
return(false);
}
//----------------------------------
// SystemDictionary Open
m_Dictionaries = new List <WordDictionary>();
WordDictionary tSystemDictionary = new WordDictionary();
if (tSystemDictionary.Open(Path.Combine(tDirectory, SYS_DIC_FILE).Replace("\\", "/")) == false)
{
return(false);
}
if (tSystemDictionary.Type != 0)
{
return(false);
}
// 文字コード文字列から文字コード識別値を取得する
m_CharsetCode = GetCharsetCode(tSystemDictionary.Charset);
// 辞書リストに追加する
m_Dictionaries.Add(tSystemDictionary);
//----------------------------------
// CharProperty Open
m_CharProperty = new CharProperty(m_CharsetCode);
if (m_CharProperty.Open(tDirectory) == false)
{
return(false);
}
//----------------------------------
int tLast = m_Dictionaries.Count - 1;
m_LSize = ( uint )m_Dictionaries[tLast].LSize;
m_RSize = ( uint )m_Dictionaries[tLast].RSize;
//----------------------------------------------------------
// UNKToken Open
m_UNKTokens = new List <KeyValuePair <Token, int> >();
for (int i = 0; i < m_CharProperty.Size; ++i)
{
byte[] tKey = m_CharProperty.GetName(i);
DoubleArray.Word n = m_UNKDictionary.ExactMatchSearch(tKey);
if (n.value == -1)
{
Debug.LogWarning("cannot find UNK category: " + tKey);
return(false);
}
Token tToken = m_UNKDictionary.GetToken(n);
int tSize = m_UNKDictionary.GetSize(n);
m_UNKTokens.Add(new KeyValuePair <Token, int>(tToken, tSize));
}
//----------------------------------------------------------
m_Space = m_CharProperty.GetCharInfo(0x20); // ad-hoc
m_BOSFeature = StringToBytes(m_CharsetCode, BOS_FEATURE);
// m_MaxGroupingSize = DEFAULT_MAX_GROUPING_SIZE ;
return(true);
}
// オフセット操作
public Node Lookup(byte[] tSentence, int tBegin, int tEnd)
{
CharInfo cinfo = new CharInfo();
Node result_node = null;
int mblen = 0;
int clen = 0;
// 最大 65536 バイトに制限する
tEnd = (tEnd - tBegin) >= 65535 ? tBegin + 65535 : tEnd;
// オフセット操作
int begin2 = m_CharProperty.SeekToOtherType(tSentence, tBegin, tEnd, m_Space, ref cinfo, ref mblen, ref clen);
DoubleArray.Word[] daresults = new DoubleArray.Word[kResultsSize];
for (int i = 0; i < daresults.Length; i++)
{
daresults[i] = new DoubleArray.Word();
}
int results_size = kResultsSize;
for (int it_p = 0; it_p < m_Dictionaries.Count; ++it_p)
{
WordDictionary it = m_Dictionaries[it_p];
int n = it.CommonPrefixSearch(tSentence, begin2, tEnd - begin2, daresults, results_size);
for (int i = 0; i < n; ++i)
{
Token tToken = it.GetToken(daresults[i]);
int tSize = it.GetSize(daresults[i]);
for (int j = 0; j < tSize; ++j)
{
Node tNewNode = new Node();
ReadNodeInfo(it, it.GetRelativeToken(tToken, j), ref tNewNode);
tNewNode.length = ( ushort )daresults[i].length;
tNewNode.rlength = ( ushort )(begin2 - tBegin + tNewNode.length);
// オフセット操作
tNewNode.surface_s = tSentence;
tNewNode.surface_o = begin2;
tNewNode.stat = MECAB_NOR_NODE;
tNewNode.char_type = ( byte )cinfo.DefaultType;
tNewNode.bnext = result_node;
result_node = tNewNode;
}
}
}
if (result_node != null && cinfo.Invoke == 0)
{
return(result_node);
}
// オフセット操作
int begin3 = begin2 + mblen;
// オフセット操作
int group_begin3 = 0;
if (begin3 > tEnd)
{
//--------------------------------------------------------
// ADDUNKNWON ;
ADDUNKNWON(cinfo, tSentence, tBegin, begin2, begin3, ref result_node);
//--------------------------------------------------------
if (result_node != null)
{
return(result_node);
}
}
if (cinfo.Group != 0)
{
int tmp = begin3;
CharInfo fail = new CharInfo();
begin3 = m_CharProperty.SeekToOtherType(tSentence, begin3, tEnd, cinfo, ref fail, ref mblen, ref clen);
if (clen <= DEFAULT_MAX_GROUPING_SIZE)
{
// ADDUNKNWON ;
ADDUNKNWON(cinfo, tSentence, tBegin, begin2, begin3, ref result_node);
}
group_begin3 = begin3;
begin3 = tmp;
}
for (int i = 1; i <= cinfo.Length; ++i)
{
if (begin3 > tEnd)
{
break;
}
if (begin3 == group_begin3)
{
continue;
}
clen = i;
// ADDUNKNWON ;
ADDUNKNWON(cinfo, tSentence, tBegin, begin2, begin3, ref result_node);
if (cinfo.isKindOf(m_CharProperty.GetCharInfo(tSentence, begin3, tEnd, ref mblen)) == false)
{
break;
}
begin3 += mblen;
}
if (result_node == null)
{
// ADDUNKNWON ;
ADDUNKNWON(cinfo, tSentence, tBegin, begin2, begin3, ref result_node);
}
return(result_node);
}