void CheckEOT()
{
scn.GetChar();
if (!scn.EOT())
{
throw new ssException("expected newline");
}
}
ssEvent pEvent(ssScanner scnr, ssForm f)
{
ssEvent e;
try {
scnr.GetStrSpDelim();
eSet es = FindEventSet(subsets, scnr.S);
if (es != null)
{
e = es.e.nxt.copy();
if (!AtEventBoundry(scnr))
{
scnr.GetChar();
}
}
else
{
e = new ssEvent();
e.k = (Keys)keyconv.ConvertFromString(scnr.S);
scnr.GetStrSpDelim(); e.t = pType(scnr.S);
if (e.t == ssEventType.press)
{
scnr.GetStrSpDelim(); e.c = pChar(scnr.S);
}
if (!AtEventBoundry(scnr))
{
scnr.GetStrSpDelim(); e.a = pAction(scnr.S, ref e.cmdopt);
}
if (!AtEventBoundry(scnr))
{
scnr.GetStrSpDelim(); e.cont = bool.Parse(scnr.S);
}
if (e.cmdopt != ssEventCmdOption.none)
{
scnr.SetDelim("\n");
scnr.AllowComment = false;
scnr.GetStr(); e.cmd = scnr.S;
scnr.AllowComment = true;
scnr.SetDelim("");
if (!AtEventBoundry(scnr))
{
scnr.GetChar();
}
}
}
}
catch (Exception ee) {
scnr.SetDelim("");
scnr.AllowComment = true;
throw new ssException("error parsing event in events file" + "\r\n?" + ee.Message);
}
return(e);
}
eSet pSet(ssScanner scnr, ssForm f)
{
eSet es = null;
eSet ss = null;
for (;;)
{
switch (scnr.C)
{
case '=':
case '<':
char c = scnr.C;
scnr.GetChar();
scnr.GetStrSpDelim();
eSet s = new eSet(null);
s.nm = scnr.S;
s.e = new ssEvent();
s.e.nxt = pEventTree(scnr, f);
if (c == '=')
{
s.nxt = es;
es = s;
}
else
{
s.nxt = subsets;
subsets = s;
}
break;
case '\0':
return(es);
default:
if (char.IsWhiteSpace(scnr.C))
{
scnr.GetChar();
}
else
{
throw new ssException("error parsing event set in events file");
}
break;
}
}
}
ssEvent pEventTree(ssScanner scnr, ssForm f)
{
ssEvent rt = pEvent(scnr, f);
ssEvent e = LastAlt(rt);
for (;;)
{
switch (scnr.C)
{
case '|':
scnr.GetChar();
e.alt = pEvent(scnr, f);
e = LastAlt(e);
break;
case '+':
scnr.GetChar();
e.nxt = pEventTree(scnr, f);
break;
case ';':
scnr.GetChar();
return(rt);
case '\0':
return(rt);
default:
if (char.IsWhiteSpace(scnr.C))
{
scnr.GetChar();
}
else
{
throw new ssException("error parsing event tree in events file");
}
break;
}
}
}
private ssEvent LoadEvents(ssForm f, string fnm)
{
ssEvent es = new ssEvent();
fnm = System.IO.Path.GetDirectoryName(Application.ExecutablePath) +
System.IO.Path.DirectorySeparatorChar + fnm;
int cnt = 0;
ssScanner scnr = null;
while (cnt < 2 && scnr == null)
{
try {
cnt++;
scnr = new ssScanner(File.ReadAllText(fnm), true);
scnr.GetChar();
}
catch {
try {
if (cnt < 2)
{
f.Ed.MsgLn("creating default events file");
File.WriteAllText(fnm, defEvents);
}
else
{
throw new ssException("no events file");
}
}
catch (Exception ee) {
f.Ed.Err("error writing default events file" + "\r\n" + ee.Message);
}
}
}
try {
es.nxt = pEventTree(scnr, f);
}
catch (Exception e) {
if (f == f.Ed.Log.Frm)
{
f.Ed.Err(e.Message + ": " + scnr.S); // Guard this so you don't get messages for every form created.
}
}
return(es);
}
private eSet LoadEvents(ssForm f, string fnm)
{
eSet es = null;
//ssEvent es = new ssEvent();
int cnt = 0;
ssScanner scnr = null;
while (cnt < 2 && scnr == null)
{
try {
cnt++;
try {
scnr = new ssScanner(File.ReadAllText(fnm), true); // try local
}
catch {
fnm = System.IO.Path.GetDirectoryName(Application.ExecutablePath) +
System.IO.Path.DirectorySeparatorChar + fnm;
scnr = new ssScanner(File.ReadAllText(fnm), true); // try exe one
}
scnr.GetChar();
}
catch {
try {
if (cnt < 2)
{
f.Ed.MsgLn("creating default events file");
StreamWriter sw = new StreamWriter(fnm);
sw.WriteLine(defEvents);
sw.WriteLine("# Available commands:");
foreach (MethodInfo m in methods)
{
if (m.Name.Length > 2 && m.Name.Substring(0, 3) == "Cmd")
{
sw.WriteLine(string.Format("# {0}", m.Name));
}
}
sw.Close();
}
else
{
throw new ssException("no events file");
}
}
catch (Exception ee) {
f.Ed.Err("error writing default events file" + "\r\n" + ee.Message);
}
}
}
try {
es = pSet(scnr, f);
}
catch (Exception e) {
if (f == f.Ed.Log.Frm)
{
f.Ed.Err(e.Message + ": " + scnr.S); // Guard this so you don't get messages for every form created.
}
}
return(es);
}