public void MoveCopy(char cmd, ssAddress dst)
{
dst.rng.l = dst.rng.r;
if (txt == dst.txt && txt.dot.Overlaps(dst.rng))
{
throw new ssException("addresses overlap");
}
string s = txt.ToString();
ssTrans t1 = new ssTrans(ssTrans.Type.insert, 0, dst.rng, s, null);
ssText txt1 = dst.txt;
ssTrans t2 = null;
ssText txt2 = null;
if (cmd == 'm')
{
t2 = new ssTrans(ssTrans.Type.delete, 0, txt.dot, null, null);
txt2 = txt;
t1.rng.len = s.Length;
if (t2.rng.l < t1.rng.l)
{
ssTrans x = t1;
t1 = t2;
t2 = x;
ssText txtx = txt1;
txt1 = txt2;
txt2 = txtx;
}
}
txt1.TLog.PushTrans(t1);
if (t2 != null)
{
txt2.TLog.PushTrans(t2);
}
}
public void Change(string s)
{
ssAddress ai = edDot.Copy();
txt.TLog.PushTrans(new ssTrans(ssTrans.Type.insert, 0, txt.dot, s, null));
txt.TLog.seqRoot.nxt.rng.len = s.Length;
ssAddress ad = edDot.Copy();
txt.TLog.PushTrans(new ssTrans(ssTrans.Type.delete, 0, txt.dot, null, null));
}
ssAddress Search(ssAddress rt, string pat, bool forward)
{
Match m;
Regex rex;
int start;
string s = rt.txt.ToString(0, rt.txt.Length);
bool found = true;
RegexOptions opts = RegexOptions.Multiline;
if (!defs.senseCase)
{
opts |= RegexOptions.IgnoreCase;
}
if (forward)
{
rex = new Regex(pat, opts);
start = rt.rng.r;
m = rex.Match(s, start);
if (!m.Success)
{
m = rex.Match(s, 0, rt.txt.Length);
if (!m.Success || m.Index > start)
{
found = false;
}
}
}
else
{
opts |= RegexOptions.RightToLeft;
rex = new Regex(pat, opts);
start = rt.rng.l;
m = rex.Match(s, 0, start);
if (!m.Success)
{
m = rex.Match(s, 0, rt.txt.Length);
if (!m.Success || m.Index + m.Length <= start)
{
found = false;
}
}
}
if (found)
{
return(new ssAddress(m.Index, m.Index + m.Length, rt.txt));
}
else
{
throw new ssException("search");
}
}
ssAddress xRelAddr(ssAddress rt, char dir, ATree ar)
{
switch (ar.op)
{
case '#':
if (dir == '+')
{
rt.rng.To(rt.rng.r + ar.n);
}
else
{
rt.rng.To(rt.rng.l - ar.n);
}
if (!rt.txt.Contains(rt.rng))
{
throw new ssException("address range");
}
return(rt);
case '/':
return(Search(rt, ar.s, dir == '+'));
case '?':
return(Search(rt, ar.s, dir == '-'));
case '0':
if (dir == '+')
{
return(new ssAddress
(rt.txt.FindLine(rt.rng.r, ar.n, 1), rt.txt));
}
else
{
return(new ssAddress
(rt.txt.FindLine(rt.rng.l, ar.n, -1), rt.txt));
}
default:
throw new ssException("address");
}
}
ssAddress xAddr(ATree a)
{
if (a == null)
{
return(null);
}
ssText atxt = txt;
if (a.fnm != null)
{
TList fs = FindText(true, a.fnm, true, true);
if (fs == null)
{
throw new ssException("file search");
}
atxt = fs.t;
}
switch (a.op)
{
case '#':
CheckTxt(atxt);
CheckRange(atxt, a.n);
return(new ssAddress(a.n, a.n, atxt));
case '0':
CheckTxt(atxt);
ssRange r = atxt.FindLine(0, a.n, 1);
return(new ssAddress(r, atxt));
case '.':
CheckTxt(atxt);
return(new ssAddress(atxt.dot, atxt));
case '\'':
CheckTxt(atxt);
return(new ssAddress(atxt.mark, atxt));
case '$':
CheckTxt(atxt);
return(new ssAddress(atxt.Length, atxt.Length, atxt));
case '/':
CheckTxt(atxt);
return(Search(new ssAddress(atxt.dot, atxt), a.s, true));
case '?':
CheckTxt(atxt);
return(Search(new ssAddress(atxt.dot, atxt), a.s, false));
case ',':
case ';':
ssAddress al = xAddr(a.l);
if (a.op == ';')
{
txt = al.txt;
txt.dot = al.rng;
}
ssAddress ar = xAddr(a.r);
if (al.txt != ar.txt || ar.rng.l < al.rng.l)
{
throw new ssException("addresses out of order");
}
al.rng.r = ar.rng.r;
return(al);
case '+':
case '-':
al = xAddr(a.l);
al = xRelAddr(al, a.op, a.r);
return(al);
default:
throw new ssException("address");
}
}
void xCmd(CTree t)
{
ssRange levdot = new ssRange();
if (t == null)
{
return;
}
ssAddress ad = xAddr(t.ad);
ssAddress a = xAddr(t.a);
if (txt != null)
{
levdot = txt.dot;
}
if (a != null)
{
if (a.txt == null)
{
a.txt = txt;
}
else
{
prvtxt = txt;
txt = a.txt;
}
txt.dot = a.rng;
}
switch (t.cmd)
{
case 'p':
Print();
break;
case '=':
MsgLn(AddressStr());
break;
case 'n':
//MsgLn("working directory '" + Environment.CurrentDirectory + "'");
for (ssText txt = txts; txt != null; txt = txt.Nxt)
{
MsgLn(txt.MenuLine());
}
break;
case 'a':
if (swallowing)
{
return;
}
txt.dot = txt.dot.To(txt.dot.r);
if (t.subs != null)
{
Insert(DoSubs("", t.subs));
}
else
{
Insert(t.s);
}
break;
case 'i':
if (swallowing)
{
return;
}
txt.dot = txt.dot.To(txt.dot.l);
if (t.subs != null)
{
Insert(DoSubs("", t.subs));
}
else
{
Insert(t.s);
}
break;
case 'c':
if (swallowing)
{
return;
}
if (t.subs != null)
{
Change(DoSubs(txt.ToString(), t.subs));
}
else
{
Change(t.s);
}
break;
case 't':
case 'm':
MoveCopy(t.cmd, ad);
break;
case 'x':
if (t.sub.nxt.cmd == noCmd)
{
t.sub.nxt.cmd = 'p';
}
RegexOptions opts = RegexOptions.Multiline;
if (!defs.senseCase)
{
opts |= RegexOptions.IgnoreCase;
}
MatchCollection ms = Regex.Matches(txt.ToString(), t.s, opts);
ssRange strt = txt.dot;
foreach (Match m in ms)
{
txt.dot.l = strt.l + m.Index;
txt.dot.len = m.Length;
xCmd(t.sub);
}
break;
case 'y':
if (t.sub.nxt.cmd == noCmd)
{
t.sub.nxt.cmd = 'p';
}
opts = RegexOptions.Multiline;
if (!defs.senseCase)
{
opts |= RegexOptions.IgnoreCase;
}
ms = Regex.Matches(txt.ToString(), t.s, opts);
strt = txt.dot;
int l = strt.l;
foreach (Match m in ms)
{
txt.dot.l = l;
txt.dot.r = m.Index + strt.l;
xCmd(t.sub);
l = strt.l + m.Index + m.Length;
}
txt.dot.l = l;
txt.dot.r = strt.r;
xCmd(t.sub);
break;
case 'X':
case 'Y':
t.txts = FindText(true, t.s, t.cmd == 'X', false);
if (t.txts == null)
{
throw new ssException("file search");
}
for (TList tl = t.txts; tl != null; tl = tl.nxt)
{
txt = tl.t;
xCmd(t.sub);
}
break;
case 'g':
opts = RegexOptions.Multiline;
if (!defs.senseCase)
{
opts |= RegexOptions.IgnoreCase;
}
if (Regex.IsMatch(txt.ToString(), t.s, opts))
{
xCmd(t.sub);
}
break;
case 'v':
opts = RegexOptions.Multiline;
if (!defs.senseCase)
{
opts |= RegexOptions.IgnoreCase;
}
if (!Regex.IsMatch(txt.ToString(), t.s, opts))
{
xCmd(t.sub);
}
break;
case 's':
opts = RegexOptions.Multiline;
if (!defs.senseCase)
{
opts |= RegexOptions.IgnoreCase;
}
ms = Regex.Matches(txt.ToString(), t.s, opts);
strt = txt.dot;
int cnt = 0;
foreach (Match m in ms)
{
cnt++;
txt.dot.l = strt.l + m.Index;
txt.dot.len = m.Length;
if (t.opt == 'g' || cnt == t.n)
{
if (t.subs != null)
{
Change(DoSubs(m.ToString(), t.subs));
}
else
{
Change(t.rep);
}
}
}
break;
case 'D':
TList ts = null;
if (t.fs == null)
{
if (txt == null)
{
throw new ssException("no current file");
}
else
{
DeleteText(txt, true);
}
}
else
{
for (SList f = t.fs; f != null; f = f.nxt)
{
ts = FindText(true, f.s, true, false);
if (ts == null)
{
throw new ssException("warning: no such file '" + f.s + "'");
}
else
{
while (ts != null)
{
DeleteText(ts.t, true);
ts = ts.nxt;
}
}
}
}
break;
case 'B':
if (t.fs != null)
{
AddTexts(SListToArray(t.fs), false);
}
else
{
NewText();
}
break;
case 'b':
bool fnd = false;
for (SList f = t.fs; f != null; f = f.nxt)
{
ts = FindText(false, f.s, true, true);
if (ts != null)
{
fnd = true; txt = ts.t; break;
}
}
if (!fnd)
{
throw new ssException("not in menu: \"" + SListJoin(t.fs) + "\"");
}
MsgLn(txt.MenuLine());
WakeUpText(txt);
break;
case 'f':
if (t.fs == null)
{
Msg(txt.MenuLine());
}
else
{
Rename(t.fs.s);
}
break;
case 'e':
if (txt == null)
{
throw new ssException("no current file");
}
if (t.fs == null)
{
t.s = txt.Nm;
}
else
{
t.s = t.fs.s;
}
Encoding enc = defs.encoding;
string fdta = WinRead(t.s, ref enc);
if (fdta != null)
{
txt.encoding = enc;
Rename(t.s);
txt.dot.l = 0;
txt.dot.r = txt.Length;
Change(fdta);
txt.dot.To(0);
PostEdDot();
}
break;
case 'r':
if (t.fs == null)
{
t.s = txt.Nm;
}
else
{
t.s = t.fs.s;
}
enc = defs.encoding;
fdta = WinRead(t.s, ref enc);
if (fdta != null)
{
txt.encoding = enc;
Change(fdta);
PostEdDot();
}
break;
case 'w':
if (txt == null)
{
throw new ssException("no current file");
}
string s;
if (t.fs == null)
{
t.s = txt.Nm; s = txt.FileName();
}
else
{
t.s = t.fs.s; s = t.fs.s;
}
ssRange r = txt.dot;
if (t.a == null)
{
r.l = 0; r.r = txt.Length;
}
string dta = txt.ToString(r.l, r.len);
string lbl = File.Exists(t.s) ? "" : " (new file) ";
if (WinWrite(t.s, dta, txt.encoding))
{
if (dta.Length == txt.Length)
{
txt.TLog.RecordSave();
}
MsgLn(s + ":" + lbl + "#" + dta.Length.ToString());
}
PostEdDot();
break;
case 'd':
Delete();
break;
case 'k':
txt.mark = txt.dot;
if (a == null)
{
PostEdDot();
}
break;
case 'h':
ShowHex(txt.ToString());
break;
case '!':
Msg(ShellCmd(t.s, null));
break;
case '<':
Change(ShellCmd(t.s, null));
break;
case '>':
Msg(ShellCmd(t.s, txt.ToString()));
break;
case '|':
Change(ShellCmd(t.s, txt.ToString()));
break;
case 'q':
/*/win Remove for non-windowed version
* log.Frm.UpdateDefs();
* // */
defs.SaveDefs(false);
if (DeleteAllTexts())
{
Environment.Exit(0);
}
break;
case 'Q':
/*/win Remove for non-windowed version
* log.Frm.UpdateDefs();
* // */
defs.SaveDefs(true);
if (DeleteAllTexts())
{
Environment.Exit(0);
}
break;
case 'H':
ShowHelp();
break;
case 'u':
Undo(t.n);
break;
case '\0': // end of text
break;
case listHead: // head of sub lists
break;
case '{':
xCmd(t.sub.nxt); // The head of the sub tree is just another '{', so skip it.
break;
case noCmd:
if (a == null)
{
xNoCmd();
}
break;
case 'T':
/*/win remove for non-windowed version
* txt.Frm.ChangeTab(t.n);
* // remove for non-windowed version */
break;
case 'L':
/*/win remove for non-windowed version
* txt.ChangeEoln(t.s);
* // remove for non-windowed version */
break;
case 'F':
/*/win remove for non-windowed version
* txt.FixLineLen(t.n);
* // remove for non-windowed version */
break;
case 'C':
switch (t.opt)
{
case 's':
defs.senseCase = true;
break;
case 'i':
defs.senseCase = false;
break;
default:
CultureInfo ci = Thread.CurrentThread.CurrentCulture;
TextInfo ti = ci.TextInfo;
s = txt.ToString();
switch (t.opt)
{
case 'u':
Change(ti.ToUpper(s));
break;
case 't':
Change(ti.ToTitleCase(s));
break;
case 'l':
Change(ti.ToLower(s));
break;
}
break;
}
break;
case 'E':
if (txt == null)
{
defs.encoding = decodeEncoding(t.opt);
/*/win remove for non-windowing version
* log.encoding = defs.encoding;
* // remove for non-windowing version */
}
else
{
txt.encoding = decodeEncoding(t.opt);
}
break;
default:
throw new ssException("unknown command");
}
if (a != null)
{
PostEdDot();
}
if (txt != null && t.nxt != null)
{
txt.dot = levdot;
}
xCmd(t.nxt);
}