khanat-opennel-code/code/nel/src/net/varpath.cpp

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2010-05-06 00:08:41 +00:00
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdnet.h"
#include "nel/misc/types_nl.h"
#include "nel/misc/debug.h"
#include "nel/misc/config_file.h"
#include "nel/misc/displayer.h"
#include "nel/misc/log.h"
#include "nel/net/varpath.h"
//
// Namespaces
//
using namespace std;
using namespace NLMISC;
//
// Variables
//
//
// Functions
//
/**
*
* VarPath ::= [bloc '.']* bloc
* bloc ::= '[' [VarPath ',']* VarPath ']' | name
* name ::= [ascii]* ['*']
*
*
*/
/*bool CVarPath::getDest (uint level, vector<string> &dest)
{
return true;
}*/
string CVarPath::getToken ()
{
string res;
if (TokenPos >= RawVarPath.size())
return res;
res += RawVarPath[TokenPos];
switch (RawVarPath[TokenPos++])
{
case '.': case '*': case '[': case ']': case ',': case '=': case ' ':
break;
default :
while (TokenPos < RawVarPath.size() && RawVarPath[TokenPos] != '.' && RawVarPath[TokenPos] != '[' && RawVarPath[TokenPos] != ']' && RawVarPath[TokenPos] != ',' && RawVarPath[TokenPos] != '=' && RawVarPath[TokenPos] != ' ')
{
res += RawVarPath[TokenPos++];
}
break;
}
return res;
}
void CVarPath::decode ()
{
vector<string> dest;
TokenPos = 0;
Destination.clear ();
string val = getToken ();
if (val == "")
return;
if (val == "[" )
{
for(;;)
{
uint osbnb = 0;
string d;
for(;;)
{
val = getToken ();
if (val == "[")
osbnb++;
// end of token
if (val == "")
{
nlwarning ("VP: Bad VarPath '%s', suppose it s an empty varpath", RawVarPath.c_str());
Destination.clear ();
return;
}
if (osbnb == 0 && (val == "," || val == "]"))
break;
if (val == "]")
osbnb--;
d += val;
}
dest.push_back (d);
if (val == "]")
break;
}
}
else if (val != "." && val != "," && val != "]")
{
dest.push_back (val);
}
else
{
nlwarning ("VP: Malformated VarPath '%s' before position %d", RawVarPath.c_str (), TokenPos);
return;
}
// must be a . or end of string
val = getToken ();
if (val == " ")
{
// special case, there s a space that means that everything after is not really part of the varpath.
Destination.push_back (make_pair(RawVarPath, string("")));
return;
}
else if (val != "." && val != "" && val != "=")
{
nlwarning ("VP: Malformated VarPath '%s' before position %d", RawVarPath.c_str (), TokenPos);
return;
}
for (uint i = 0; i < dest.size(); ++i)
{
string srv, var;
string::size_type pos;
if ((pos = dest[i].find ('.')) != string::npos)
{
srv = dest[i].substr(0, pos);
var = dest[i].substr(pos+1);
if (TokenPos < RawVarPath.size())
var += val + RawVarPath.substr (TokenPos);
}
else
{
srv = dest[i];
if (val == "=")
{
srv += val + RawVarPath.substr (TokenPos);
var = "";
}
else
var = RawVarPath.substr (TokenPos);
}
Destination.push_back (make_pair(srv, var));
}
//display ();
}
bool CVarPath::isFinal ()
{
if(Destination.size() == 0) return true;
if(Destination[0].second.size() == 0) return true;
return false;
}
void CVarPath::display ()
{
nlinfo ("VP: VarPath dest = %d", Destination.size ());
for (uint i = 0; i < Destination.size (); i++)
{
nlinfo ("VP: > '%s' '%s'", Destination[i].first.c_str(), Destination[i].second.c_str());
}
}
NLMISC_CATEGORISED_COMMAND(nel, varPath, "Test a varpath (for debug purpose)", "<rawvarpath>")
{
nlunreferenced(rawCommandString);
nlunreferenced(quiet);
nlunreferenced(human);
if(args.size() != 1) return false;
CVarPath vp (args[0]);
log.displayNL ("VarPath contains %d destination", vp.Destination.size ());
for (uint i = 0; i < vp.Destination.size (); i++)
{
log.displayNL ("Dest '%s' value '%s'", vp.Destination[i].first.c_str(), vp.Destination[i].second.c_str());
}
log.displayNL ("End of varpath");
return true;
}