UncompressedFileType.cpp

/*
 *  Copyright (C) 2010  Regents of the University of Michigan
 *
 *   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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include "UncompressedFileType.h"
#include <string.h>

UncompressedFileType::UncompressedFileType(const char * filename,
                                           const char * mode)
    : filePtr(NULL),
      kfilePtr(NULL),
      keof(false)
{
    // Check if opening for read.
    if((mode[0] == 'r') || (mode[0] == 'R'))
    {
        if(strcmp(filename, "-") == 0)
        {
            // read from stdin
            filePtr = stdin;
        }
        else if((strstr(filename, "ftp://") == filename) ||
                (strstr(filename, "http://") == filename))
        {
            // Reading http/ftp, so open the file using knetfile.
            kfilePtr = knet_open(filename, mode);
        }
        else
        {
            // Open the file.
            filePtr = fopen(filename, mode);
        }
    }
    else
    {
        // Not for read.
        // If the file is for write and is '-', then write to stdout.
        if(((mode[0] == 'w') || (mode[0] == 'W')) && 
           (strcmp(filename, "-") == 0))
        {
            // Write to stdout.
            filePtr = stdout;
        }
        else
        {
            // Open the file.
            filePtr = fopen(filename, mode);
        }
    }
};