public static RegexpState create(Env env, Regexp regexp, StringValue subject)
{
RegexpState state = create(env, regexp);
state.setSubject(env, subject);
return(state);
}
private void init(Regexp regexp)
{
_regexp = regexp;
int nGroup = regexp._nGroup;
if (_groupBegin.length < nGroup)
{
_groupBegin = new int[nGroup];
_groupEnd = new int[nGroup];
_isGroupFinalized = new boolean[nGroup];
}
else
{
for (int i = 0; i < nGroup; i++)
{
_groupBegin[i] = 0;
_groupEnd[i] = 0;
_isGroupFinalized[i] = false;
}
}
int nLoop = regexp._nLoop;
if (_loopCount.length < nLoop)
{
_loopCount = new int[nLoop];
_loopOffset = new int[nLoop];
}
else
{
for (int i = 0; i < nLoop; i++)
{
_loopCount[i] = 0;
_loopOffset[i] = 0;
}
}
_subject = null;
_subjectLength = 0;
_isGlobal = false;
_first = 0;
_start = 0;
_prefix = null; // initial string
_minLength = 0; // minimum length possible for this regexp
_isUnicode = false;
_isPHP5String = false;
_isUTF8 = false;
_isEval = false;
}
public static RegexpState create(Env env, Regexp regexp)
{
RegexpState state = env.allocateRegexpState();
if (state == null)
{
state = new RegexpState();
}
state.init(regexp);
return(state);
}
public Regexp get(StringValue str)
{
int head = _head;
for (int i = 0; i < MAX_SIZE; i++)
{
Regexp regexp = _cache[(head + i) % MAX_SIZE];
if (regexp == null)
{
break;
}
else
{
StringValue rawRegexp = regexp.getRawRegexp();
if (rawRegexp == str || rawRegexp.equals(str))
{
return(regexp);
}
}
}
Regexp regexp = RegexpModule.createRegexp(str);
head = head - 1;
if (head < 0)
{
head = MAX_SIZE - 1;
}
_cache[head] = regexp;
_head = head;
return(regexp);
}