public void Add(string value, int start, WordItem wi)
{
if (start < value.Length)
{
char key = Utils.Cast(value[start]);
CharItem item = null;
if (!Items.TryGetValue(key, out item))
{
item = new CharItem(key);
item.WordType |= wi.Type;
item.MaxBlank = MaxBlank;
Items.Add(key, item);
LstItems.Add(item);
}
if (start + 1 == value.Length)
{
item.Eof = true;
}
else
{
item.Add(value, start + 1, wi);
}
}
}
public void Add(string value)
{
int index = 1;
char key = Utils.Cast(value[index]);
WordItem wi = new WordItem(value);
WordType = WordType | wi.Type;
CharItem item = null;
if (!Items.TryGetValue(key, out item))
{
item = new CharItem(key);
item.MaxBlank = MaxBlank;
item.WordType |= wi.Type;
Items.Add(key, item);
LstItems.Add(item);
}
if (index + 1 == value.Length)
{
item.Eof = true;
}
else
{
item.Add(value, index + 1, wi);
}
}
public void Match(char[] data, int start, MatchItem result)
{
BlankType = KFilter.WordType.None;
int blank = MaxBlank;
int count = LstItems.Count;
BETIN:
if (start >= data.Length)
{
result.IsMatch = false;
return;
}
char key = Utils.Cast(data[start]);
CharItem item = null;
if (count == 1)
{
if (LstItems[0].Key == key)
{
item = LstItems[0];
}
}
else if (count == 2)
{
if (LstItems[0].Key == key)
{
item = LstItems[0];
}
else
{
if (LstItems[1].Key == key)
{
item = LstItems[1];
}
}
}
else
{
Items.TryGetValue(key, out item);
}
if (item != null)
{
result.IsMatch = true;
result.Add(key, start);
if (!item.Eof)
{
item.Match(data, start + 1, result);
}
}
else
{
if (blank > 0 && (WordType & Utils.GetWordTypeWithChar(key)) == 0 && key != '\0')
{
WordType chartype = Utils.GetWordTypeWithChar(key);
if (BlankType == KFilter.WordType.None)
{
BlankType = chartype;
}
else
{
if (BlankType != chartype)
{
blank--;
}
BlankType = chartype;
}
start++;
goto BETIN;
}
result.IsMatch = false;
}
}
public MatchItem Match(char[] data, int index)
{
MatchItem result = MatchItem;
BlankType = KFilter.WordType.None;
result.Add(Key, index);
int count = LstItems.Count;
int blank = MaxBlank;
BETIN:
index++;
if (index < data.Length)
{
char key = Utils.Cast(data[index]);
CharItem item = null;
if (count < 4)
{
for (int i = 0; i < count; i++)
{
item = LstItems[i];
if (item.Key == key)
{
break;
}
else
{
item = null;
}
}
}
else
{
Items.TryGetValue(key, out item);
}
if (item != null)
{
result.Data = data;
result.IsMatch = true;
result.Add(key, index);
if (!item.Eof)
{
item.Match(data, index + 1, result);
}
}
else
{
if (blank > 0 && (WordType & Utils.GetWordTypeWithChar(key)) == 0 && key != '\0')
{
WordType chartype = Utils.GetWordTypeWithChar(key);
if (BlankType == KFilter.WordType.None)
{
BlankType = chartype;
}
else
{
if (BlankType != chartype)
{
blank--;
}
BlankType = chartype;
}
goto BETIN;
}
}
}
Rule(result, data);
return(result);
}
