private void reset()
{
this.gcs = null;
this.lcs = null;
this.literal = null;
this.xref = null;
}
private void read()
{
this.reset();
object obj = this.rule; // subseg or global_subseg or local_subseg or rel_subseg or rel_subseg_nc
// subseg?
if (obj is Parser.Parser.subseg)
{
// read global_subseg or local_subseg from subseg
IList<Rule> list_subseg = ((Parser.Parser.subseg)obj).rules;
if (list_subseg.Count < 1)
return;
obj = list_subseg[0]; // global_subseg or local_subseg
}
// global_subseg?
if (obj is Parser.Parser.global_subseg)
{
// read gcs_char from global_subseg;
IList<Rule> list_global_subseg = ((Parser.Parser.global_subseg)obj).rules;
if (list_global_subseg.Count < 1)
return;
obj = list_global_subseg[0]; // gcs_char
this.gcs = ((Parser.Parser.gcs_char)obj).spelling[0];
// read rel_subseg or local_subseg from global_subseg
if (list_global_subseg.Count < 2)
return;
obj = list_global_subseg[1]; // rel_subseg or local_subseg
}
// local_subseg?
if (obj is Parser.Parser.local_subseg)
{
// read lcs_char from local_subseg;
IList<Rule> list_local_subseg = ((Parser.Parser.local_subseg)obj).rules;
if (list_local_subseg.Count < 1)
return;
obj = list_local_subseg[0]; // lcs_char
this.lcs = ((Parser.Parser.lcs_char)obj).spelling[0];
// read rel_subseg from local_subseg
if (list_local_subseg.Count < 2)
return;
obj = list_local_subseg[1]; // rel_subseg
}
// rel_subseg or rel_subseg_nc?
if (obj is Parser.Parser.rel_subseg)
{
// read literal or xref from rel_subseg
IList<Rule> list_rel_subseg = ((Parser.Parser.rel_subseg)obj).rules;
if (list_rel_subseg.Count < 1)
return;
obj = list_rel_subseg[0]; // literal or xref
}
else if (obj is Parser.Parser.rel_subseg_nc)
{
// read literal_nc or xref from rel_subseg_nc
IList<Rule> list_rel_subseg_nc = ((Parser.Parser.rel_subseg_nc)obj).rules;
if (list_rel_subseg_nc.Count < 1)
return;
obj = list_rel_subseg_nc[0]; // literal_nc or xref
}
else
{
return;
}
// literal or literal_nc or xref?
if (obj is Parser.Parser.literal)
{
this.literal = new XRI3Literal((Parser.Parser.literal)obj);
}
else if (obj is Parser.Parser.literal_nc)
{
this.literal = new XRI3Literal((Parser.Parser.literal_nc)obj);
}
else if (obj is Parser.Parser.xref)
{
this.xref = new XRI3XRef((Parser.Parser.xref)obj);
}
else
{
return;
}
}