135 lines
4 KiB
C++
135 lines
4 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <stdio.h>
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#include <stdlib.h>
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#include <string>
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#include <sstream>
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// look at the debug example
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#include "nel/misc/debug.h"
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// contains the config class
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#include "nel/misc/config_file.h"
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// contains the cpath class
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#include "nel/misc/path.h"
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#ifndef NL_SAMPLE_CFG
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#define NL_SAMPLE_CFG "."
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#endif // NL_SAMPLE_CFG
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using namespace std;
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using namespace NLMISC;
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// this function will be called when the configfile will be modified by
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// an external program
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void mainCallback ()
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{
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nlinfo ("The file was modified by external program!");
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}
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// this function will be called when the variable var12 will be modified by
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// an external program
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void var12Callback (CConfigFile::CVar &var)
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{
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stringstream str;
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for (uint i = 0; i < var.size (); i++)
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str << var.asInt (i) << " ";
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nlinfo("%s modified, new value: %s\n", var.Name.c_str (), str.str().c_str());
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}
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// the configfile
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CConfigFile cf;
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int main (int /* argc */, char ** /* argv */)
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{
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// look at the debug example
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createDebug();
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// Add the data directory to the search path.
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CPath::addSearchPath(NL_SAMPLE_CFG);
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// load and parse the configfile
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cf.load (CPath::lookup("simpletest.txt"));
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// CConfigFile checks if the config file has been modified by an external program.
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// in this case, the configfile automatically reloads and reparses the file.
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// you can connect a callback function that will be called in this case if
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// you want, for example, reset variables
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// link a callback with this configfile.
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cf.setCallback (mainCallback);
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// link a callback with the var12. If and only if the var12 changed, this
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// callback will be called
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cf.setCallback ("var12", var12Callback);
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// display all variables
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cf.display(InfoLog);
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// get the value of var1 as int
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int var1 = cf.getVar ("var1").asInt();
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nlinfo("var1 (int) = %d", var1);
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// get the value of var1 as double, in this case, a conversion from int
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// to double will be done
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double var2 = cf.getVar ("var1").asDouble();
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nlinfo("var1 (double) = %lf", var2);
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// get the value of var2 as int, in this case, a conversion from string
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// to int will be done
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int var3 = cf.getVar ("var2").asInt();
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nlinfo("var2 = %d", var3);
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// if the variable is an array of values, you can access them putting the
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// index of the variable you want. Example, get and print all value of var12:
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for (uint i = 0; i < cf.getVar ("var12").size(); i++)
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{
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int val = cf.getVar ("var12").asInt(i);
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nlinfo("%d -> %d", i, val);
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}
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// if you try to access an unknown variable or if something goes wrong, an
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// exception will be called, you can catch them individually or all together in a try/catch block
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try
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{
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// try to access an unknown variable
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int val = cf.getVar ("unknown_variable").asInt();
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nlinfo("unknown_variable = %d", val);
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}
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catch (const EConfigFile &e)
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{
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nlinfo("something goes wrong with configfile: %s", e.what());
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}
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cf.getVar ("var13").asInt (0);
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cf.getVar ("var13").asInt (1);
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cf.getVar ("var13").asInt (2);
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nlinfo("Try to modify the var12 in the configfile or any other variable.\n\nPress CTRL-C to exit\n");
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while(true)
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{
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CConfigFile::checkConfigFiles();
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}
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return EXIT_SUCCESS;
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}
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