private void Initialize()
{
this.head = null;
this.next = null;
this.root = null;
this.state = 0;
}
// HTS_Question_load: Load questions from file
public bool Load(HTS_File fp)
{
if (fp == null)
{
return(false);
}
string tToken;
HTS_Pattern pattern, last_pattern;
Initialize();
// get question name
m_Word = fp.GetPatternToken();
if (string.IsNullOrEmpty(m_Word) == true)
{
return(false);
}
// get pattern list
tToken = fp.GetPatternToken();
if (string.IsNullOrEmpty(tToken) == true)
{
Initialize();
return(false);
}
last_pattern = null;
if (tToken == "{")
{
while (true)
{
tToken = fp.GetPatternToken();
if (string.IsNullOrEmpty(tToken) == true)
{
Initialize();
return(false);
}
pattern = new HTS_Pattern();
if (m_Head != null)
{
last_pattern.next = pattern;
}
else
{
// first time
m_Head = pattern;
}
pattern.word = tToken;
pattern.next = null;
tToken = fp.GetPatternToken();
if (string.IsNullOrEmpty(tToken) == true)
{
Initialize();
return(false);
}
if (tToken == "}")
{
break;
}
last_pattern = pattern;
}
}
return(true);
}
private void Initialize()
{
m_Word = null;
m_Head = null;
next = null;
}
// HTS_Tree_parse_pattern: parse pattern specified for each tree
public void ParsePattern(string tString)
{
// {xxx,yyy,zzz} または {(xxx,yyy,zzz)} というパターンから値を切り出す
HTS_Pattern pattern, last_pattern;
this.head = null;
last_pattern = null;
int i, l = tString.Length;
int p, q;
for (i = 0; i < l; i++)
{
if (tString[i] == '{')
{
break;
}
}
if (i >= l)
{
return;
}
i++;
if (i >= l)
{
return;
}
if (tString[i] == '(')
{
i++;
}
if (i >= l)
{
return;
}
p = i;
for (i = p; i < l; i++)
{
if (tString[i] == '}')
{
break;
}
}
if (i >= l)
{
return;
}
i--;
if (tString[i] == ')')
{
i--;
}
q = i;
//----------------------------------
l = q - p + 1;
string s = tString.Substring(p, l);
s = s + ",";
l++;
p = 0;
// parse pattern
while (p < l)
{
pattern = new HTS_Pattern();
if (this.head != null)
{
last_pattern.next = pattern;
}
else
{
this.head = pattern;
}
for (i = p; i < l; i++)
{
if (s[i] == ',')
{
break;
}
}
pattern.word = s.Substring(p, i - p);
p = i + 1;
pattern.next = null;
last_pattern = pattern;
}
}