CfgValue* CfgValue::ParseValue (InputBuffer& buf)
{
CfgValue *v = 0;
if (buf.SkipWhitespace ()) {
buf.Expecting ("Value");
return 0;
}
for (unsigned int a=0;a<classes.size();a++)
{
if (classes[a]->Identify (buf))
{
v = classes[a]->Create ();
if (!v->Parse (buf)) {
delete v;
return 0;
}
return v;
}
}
// parse standard value types:
char r = Lookahead (buf);
if(buf.CompareIdent ("file"))
{
// load a nested config file
return LoadNestedFile (buf);
}
else if(isalpha (*buf)) {
v = new CfgLiteral;
((CfgLiteral*)v)->ident = true;
}
else if(isdigit (r) || *buf == '.' || *buf == '-')
v = new CfgNumeric;
else if(*buf == '"')
v = new CfgLiteral;
else if(*buf == '{')
v = new CfgList;
if (v && !v->Parse (buf))
{
delete v;
return 0;
}
return v;
}
CfgValue* CfgValue::ParseValue (InputBuffer& buf)
{
CfgValue *v = 0;
if (buf.skipWhitespace ())
buf.expecting ("Value");
// parse value types:
int token = nextToken (buf);
switch (token) {
case CT_LIST:
v = new CfgList();
break;
case CT_NUMERIC:
v = new CfgNumeric();
break;
case CT_LITERAL:
v = new CfgLiteral();
break;
case CT_COMMAND: {
++buf;
std::string cmd = buf.parseIdent();
d_trace("Cmd: %s\n", cmd.c_str());
if (cmd == "include") {
return LoadNestedFile(buf);
} else {
throw ContentException(SPrintf("%s. Unknown command: %s", buf.location().c_str() ,cmd.c_str()));
}
}
case CT_IDENT:
throw ContentException(buf.location() + SPrintf("Unexpected identifier: '%s'", buf.parseIdent()) );
}
if (v) {
try {
v->Parse(buf);
v->cfgFilePath = buf.filename;
} catch(const ContentException& e) {
delete v;
throw e;
}
}
return v;
}