vdir.hxx

/* Copyright (C) 2006-2016 J.F.Dockes
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 *   02110-1301 USA
 */
#ifndef _VDIR_H_X_INCLUDED_
#define _VDIR_H_X_INCLUDED_

// This is normally supplied by config.h for the internal C++ code,
// but we now avoid exposing this in the public include files. Note
// that this is not optional as libupnp is always built with large
// file support and we need to be the same
#define _FILE_OFFSET_BITS 64

#include <time.h>
#include <sys/types.h>
#include <stddef.h>

#include <string>
#include <functional>




namespace UPnPProvider {

class VirtualDir {
public:

    static VirtualDir* getVirtualDir();

    bool addFile(const std::string& path, const std::string& name,
                 const std::string& content, const std::string& mimetype);

    class FileInfo {
    public:
    FileInfo()
        : file_length(0), last_modified(0), is_directory(false),
          is_readable(true) {
    }
    
    off_t file_length;
    time_t last_modified;
    bool is_directory;
    bool is_readable;
    std::string mime;
    };

    class FileOps {
    public:
    std::function<int (const std::string&, FileInfo*)> getinfo;
    std::function<void *(const std::string&)> open;
    std::function<int (void *hdl, char* buf, size_t cnt)> read;
    std::function<off_t (void *hdl, off_t offs, int whence)> seek;
    std::function<void (void *hdl)> close;
    };

    bool addVDir(const std::string& path, FileOps fops);

private:
    VirtualDir() {}
    VirtualDir(VirtualDir const&) = delete;
    VirtualDir& operator=(VirtualDir const&) = delete;
};

}

#endif /* _VDIR_H_X_INCLUDED_ */