static internal object s_new(RBasic r, params object[] args)
{
RRegexp re = new RRegexp(r.ruby, (RMetaObject)r);
r.ruby.CallInit(re, args);
return(re);
}
public RString SubAt(params object[] args)
{
bool iter = false;
RString repl = null;
bool tainted = false;
/*
* if (args != null && args.Length == 1 && ruby.IsBlockGiven)
* {
* iter = true;
* }
* else
*/
if (args != null && args.Length == 2)
{
repl = StringToRString(ruby, args[1]);
tainted = repl.IsTainted;
}
else
{
throw new eArgError(String.Format("wrong # of arguments({0} for 2)",
(args == null) ? 0 : args.Length));
}
RRegexp pat = GetPat(args[0]);
if (pat.Search(ptr, 0, false, IsTainted) >= 0)
{
RThread th = ruby.GetCurrentContext();
RMatchData match = (RMatchData)th.BackRef;
int beg = match.Begin(0);
int len = match.End(0) - beg;
if (iter)
{
/*
* RRegexpClass.matchBusy(match);
* repl = RString.AsRString(ruby, ruby.Yield(match[0]));
* th.BackRef = match; // rescue from yield.
*/
}
else
{
repl = new RString(ruby, match.Sub(repl.ToString(), ptr));
}
if (repl.IsTainted)
{
tainted = true;
}
StringBuilder sb = new StringBuilder(ptr);
sb.Remove(beg, len);
sb.Insert(beg, repl.ptr, 1);
ptr = sb.ToString();
if (tainted)
{
Taint();
}
return(this);
}
return(null);
}
internal void Initialize(RRegexp r, RegexOptions fl)
{
regex = r.regex;
if (regex.Options != fl)
{
regex = new Regex(regex.ToString(), fl);
}
}
static internal object initialize(RBasic r, params object[] args)
{
if (args.Length < 1 || args.Length > 3)
{
throw new eArgError("wrong # of argument");
}
RegexOptions flag = RegexOptions.None;
if (args.Length >= 2)
{
if (args[1] is int || args[1] is RegexOptions)
{
flag = (RegexOptions)(int)args[1];
}
else if (args[1] is RFixnum)
{
flag = (RegexOptions)((RFixnum)args[1]).ToInt();
}
else if (RBasic.RTest(args[1]))
{
flag = RegexOptions.IgnoreCase;
}
}
if (args.Length == 3)
{
// ignore char set
}
NetRuby ruby = r.ruby;
RRegexp self = (RRegexp)r;
if (args[0] is RRegexp)
{
RRegexp re = (RRegexp)args[0];
re.Check();
self.Initialize(re, flag);
}
else
{
string p = RString.ToString(ruby, args[0]);
self.Initialize(p, flag);
}
return(self);
}
public override bool Equals(object o)
{
if (base.Equals(o))
{
return(true);
}
if (o is RRegexp == false)
{
return(false);
}
RRegexp re = (RRegexp)o;
Check();
re.Check();
if (re.regex.ToString() != regex.ToString() || re.regex.Options != regex.Options)
{
return(false);
}
return(true);
}
public RString GsubAt(params object[] args)
{
bool iter = false;
RString repl = null;
bool tainted = false;
/*
* if (args != null && args.Length == 1 && ruby.IsBlockGiven)
* {
* iter = true;
* }
* else
*/
if (args != null && args.Length == 2)
{
repl = StringToRString(ruby, args[1]);
tainted = repl.IsTainted;
}
else
{
throw new eArgError(String.Format("wrong # of arguments({0} for 2)",
(args == null) ? 0 : args.Length));
}
RRegexp pat = GetPat(args[0]);
int beg = pat.Search(ptr, 0, false, IsTainted);
if (beg < 0)
{
return(null);
}
StringBuilder sb = new StringBuilder();
RThread th = ruby.GetCurrentContext();
int offset = 0;
RMatchData match = null;
while (beg >= 0)
{
string val;
match = (RMatchData)th.BackRef;
beg = match.Begin(0);
int len = match.End(0) - beg;
/*
* if (iter)
* {
*
* RRegexpClass.matchBusy(match);
* repl = RString.AsRString(ruby, ruby.Yield(match[0]));
* th.BackRef = match; // rescue from yield.
* if (repl.IsTainted) tainted = true;
* val = repl.ToString();
*
* }
* else
*/
{
val = match.Sub(repl.ToString(), ptr);
}
if (beg > offset)
{
sb.Append(ptr, offset, beg - offset);
}
sb.Append(val);
if (len == 0)
{
if (ptr.Length > match.End(0))
{
sb.Append(ptr, match.End(0), 1);
}
offset = beg + 1;
}
else
{
offset = beg + len;
}
if (offset > ptr.Length)
{
break;
}
beg = pat.Search(ptr, offset, false, IsTainted);
}
if (ptr.Length > offset)
{
sb.Append(ptr, offset, ptr.Length - offset);
}
th.BackRef = match; // rescue from yield.
ptr = sb.ToString();
if (tainted)
{
Taint();
}
return(this);
}
static internal object s_new(RBasic r, params object[] args)
{
RRegexp re = new RRegexp(r.ruby, (RMetaObject)r);
r.ruby.CallInit(re, args);
return re;
}
internal void Initialize(RRegexp r, RegexOptions fl)
{
regex = r.regex;
if (regex.Options != fl)
{
regex = new Regex(regex.ToString(), fl);
}
}
