ServerBrowserServerList.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <serverbrowser/ServerBrowserServerList.h>
#include <algorithm>

ServerBrowserEntry::ServerBrowserEntry()
{
}

ServerBrowserEntry::~ServerBrowserEntry()
{
}

void ServerBrowserEntry::addAttribute(const std::string &name, const std::string &value)
{
        attributes_[name] = value;
}

const char *ServerBrowserEntry::getAttribute(const std::string &attrName)
{
        static const char *empty = "";

        std::map<std::string, std::string>::iterator itor = 
                attributes_.find(attrName);
        if (itor == attributes_.end()) return empty;
        
        return (*itor).second.c_str();
}

ServerBrowserServerList::ServerBrowserServerList() :
        refreshId_(0)
{
        vectorMutex_ = SDL_CreateMutex();
}

ServerBrowserServerList::~ServerBrowserServerList()
{
        SDL_DestroyMutex(vectorMutex_);
}

struct lt_servers
{
        lt_servers(const char *name) : name_(name)
        {
        }

        bool isNumber(const char *value)
        {
                for (const char *a=value; *a; a++)
                {
                        if ((*a < '0' || *a > '9') && *a != '/') return false;
                }
                return true;
        }

        bool operator()(const ServerBrowserEntry &o1, const ServerBrowserEntry &o2)
        {
                std::string o1Value = ((ServerBrowserEntry &)o1).getAttribute(name_);
                std::string o2Value = ((ServerBrowserEntry &)o2).getAttribute(name_);

                const char *v1 = o1Value.c_str();
                const char *v2 = o2Value.c_str();

                if (isNumber(v1) && isNumber(v2))
                {
                        int n1 = atoi(v1);
                        int n2 = atoi(v2);
                        return n1 < n2;
                }

                return strcmp(v1, v2) < 0;
        }

protected:
        const char *name_;
};

void ServerBrowserServerList::sortEntries(const std::string &name)
{
        SDL_LockMutex(vectorMutex_);
        lt_servers sorter(name.c_str());
        std::sort(servers_.begin(), servers_.end(), sorter); 
        refreshId_++;
        SDL_UnlockMutex(vectorMutex_);
}

const char *ServerBrowserServerList::getEntryValue(int pos, const std::string &name)
{
        static char buffer[256];
        buffer[0] = '\0';

        SDL_LockMutex(vectorMutex_);
        if (pos >=0 && pos < (int) servers_.size())
        {
                ServerBrowserEntry &entry = servers_[pos];
                snprintf(buffer, sizeof(buffer), "%s", entry.getAttribute(name));
        }
        SDL_UnlockMutex(vectorMutex_);

        return buffer;
}

void ServerBrowserServerList::addEntryValue(int pos, 
        const std::string &name, const std::string &value)
{
        SDL_LockMutex(vectorMutex_);
        DIALOG_ASSERT(pos >=0 && pos < (int) servers_.size());
        ServerBrowserEntry &entry = servers_[pos];
        entry.addAttribute(name, value);
        refreshId_++;
        SDL_UnlockMutex(vectorMutex_);
}

int ServerBrowserServerList::getNoEntries()
{
        SDL_LockMutex(vectorMutex_);
        int size = (int) servers_.size();
        SDL_UnlockMutex(vectorMutex_);

        return size;
}

void ServerBrowserServerList::addEntry(ServerBrowserEntry &newEntry)
{
        SDL_LockMutex(vectorMutex_);
        servers_.push_back(newEntry);
        refreshId_++;
        SDL_UnlockMutex(vectorMutex_);
}

void ServerBrowserServerList::clear()
{
        SDL_LockMutex(vectorMutex_);
        servers_.clear();
        refreshId_++;
        SDL_UnlockMutex(vectorMutex_);
}

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