DirFile.cpp

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/*
Copyright (C) 2005 The Pentagram team

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 "pent_include.h"

#include "DirFile.h"
#include "IDataSource.h"
#include "FileSystem.h"

DEFINE_RUNTIME_CLASSTYPE_CODE(DirFile,NamedArchiveFile);

DirFile::DirFile(const std::string& path_)
{
        path = path_;
        if (path.size() == 0) {
                valid = false;
                return;
        }

        if (path[path.size()-1] != '/') path += "/";

        valid = readMetadata();
}


DirFile::~DirFile()
{

}

bool DirFile::readMetadata()
{
        FileSystem* filesys = FileSystem::get_instance();
        FileSystem::FileList files;

        /*int ret =*/ filesys->ListFiles(path + "*", files);

        // TODO: check if directory actually exists

        count = files.size();

        FileSystem::FileList::iterator iter;

        for (iter = files.begin(); iter != files.end(); ++iter) {
                std::string name = *iter;
                std::string::size_type pos = name.rfind("/");
                if (pos != std::string::npos) {
                        name.erase(0, pos+1);
                        pout << "DirFile: " << name << std::endl;
                        storeIndexedName(name);
                }
        }

        return true;
}

bool DirFile::exists(const std::string& name)
{
        FileSystem* filesys = FileSystem::get_instance();
        IDataSource* ids = filesys->ReadFile(path + name);
        if (!ids) return false;

        delete ids;
        return true;
}

uint32 DirFile::getSize(const std::string& name)
{
        FileSystem* filesys = FileSystem::get_instance();
        IDataSource* ids = filesys->ReadFile(path + name);
        if (!ids) return 0;

        uint32 size = ids->getSize();
        delete ids;
        return size;
}

uint8* DirFile::getObject(const std::string& name, uint32* sizep)
{
        FileSystem* filesys = FileSystem::get_instance();
        IDataSource* ids = filesys->ReadFile(path + name);
        if (!ids) return 0;

        uint32 size = ids->getSize();
        if (size == 0) return 0;

        uint8* buf = new uint8[size];
        ids->read(buf, size);
        delete ids;

        if (sizep) *sizep = size;

        return buf;
}

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