dotconf.cpp

访问unix风格的配置文件

/* 
 * Copyright (C) 2005,2006,2007 MaNGOS <http://www.mangosproject.org/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "ace/Synch_Traits.h"
#include "ace/Recursive_Thread_Mutex.h"
#include "ace/Singleton.h"

#include "dotconfpp/dotconfpp.h"
#include "dotconf.h"

DOTConf* DOTConf::dot_conf_ = 0;
int DOTConf::delete_dot_conf_ = 0;

DOTConf::DOTConf() : mConf(0)
{
}


DOTConf::~DOTConf()
{
    if (mConf)
        delete mConf;
}


bool DOTConf::SetSource(const char *file, bool ignorecase)
{
    mConf = new DOTCONFDocument(ignorecase ?
        DOTCONFDocument::CASEINSENSETIVE :
    DOTCONFDocument::CASESENSETIVE);

    if (mConf->setContent(file) == -1)
    {
        delete mConf;
        mConf = 0;
        return false;
    }

    return true;
}


bool DOTConf::GetString(const char* name, std::string *value)
{
    if(!mConf)
        return false;

    DOTCONFDocumentNode const *node = mConf->findNode(name);
    if(!node || !node->getValue())
        return false;

    *value = node->getValue();

    return true;
}


std::string DOTConf::GetStringDefault(const char* name, const char* def)
{
    if(!mConf)
        return std::string(def);

    DOTCONFDocumentNode const *node = mConf->findNode(name);
    if(!node || !node->getValue())
        return std::string(def);

    return std::string(node->getValue());
}


bool DOTConf::GetBool(const char* name, bool *value)
{
    if(!mConf)
        return false;

    DOTCONFDocumentNode const *node = mConf->findNode(name);
    if(!node || !node->getValue())
        return false;

    const char* str = node->getValue();
    if(strcmp(str, "true") == 0 || strcmp(str, "TRUE") == 0 ||
        strcmp(str, "yes") == 0 || strcmp(str, "YES") == 0 ||
        strcmp(str, "1") == 0)
    {
        *value = true;
    }
    else
        *value = false;

    return true;
}


bool DOTConf::GetBoolDefault(const char* name, const bool def)
{
    bool val;
    return GetBool(name, &val) ? val : def;
}


bool DOTConf::GetInt(const char* name, int *value)
{
    if(!mConf)
        return false;

    DOTCONFDocumentNode const *node = mConf->findNode(name);
    if(!node || !node->getValue())
        return false;

    *value = atoi(node->getValue());

    return true;
}


bool DOTConf::GetFloat(const char* name, float *value)
{
    if(!mConf)
        return false;

    DOTCONFDocumentNode const *node = mConf->findNode(name);
    if(!node || !node->getValue())
        return false;

    *value = atof(node->getValue());

    return true;
}


int DOTConf::GetIntDefault(const char* name, const int def)
{
    int val;
    return GetInt(name, &val) ? val : def;
}


float DOTConf::GetFloatDefault(const char* name, const float def)
{
    float val;
    return (GetFloat(name, &val) ? val : def);
}

DOTConf * DOTConf::instance(void)
{
	if (DOTConf::dot_conf_ == 0)
	{
		ACE_MT(ACE_GUARD_RETURN(ACE_Recursive_Thread_Mutex, ace_mon, 
								*ACE_Static_Object_Lock::instance(), 0));

		if (DOTConf::dot_conf_ == 0)
		{
			ACE_NEW_RETURN (DOTConf::dot_conf_, 
							DOTConf,
							0);

			DOTConf::delete_dot_conf_ = 1;
		}
	}
	
	return DOTConf::dot_conf_;
}

DOTConf * DOTConf::instance(DOTConf *conf)
{
	ACE_MT(ACE_GUARD_RETURN(ACE_Recursive_Thread_Mutex, ace_mon,
							*ACE_Static_Object_Lock::instance(), 0));

	DOTConf *old_conf = DOTConf::dot_conf_;
	DOTConf::delete_dot_conf_ = 0;
	
	DOTConf::dot_conf_ = conf;
	return old_conf;
}

void DOTConf::close_singleton(void)
{
	ACE_MT(ACE_GUARD(ACE_Recursive_Thread_Mutex, ace_mon,
					*ACE_Static_Object_Lock::instance()));

	if (DOTConf::delete_dot_conf_)
	{
		delete DOTConf::dot_conf_;
		DOTConf::dot_conf_ = 0;
		DOTConf::delete_dot_conf_ = 0;
	}
}