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Refactor code into utils, mfapi and mfshell

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- utils is the low level library used by the others
 - mfapi uses utils and implements the api and some wrappers
 - mfshell uses mfapi and utils to provide a shell
This commit is contained in:
josch
2014-09-18 09:11:00 +02:00
parent 2d6a79062a
commit ef3b2aa844
57 changed files with 767 additions and 1345 deletions
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109
mfshell/commands/chdir.c Normal file
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/*
* Copyright (C) 2013 Bryan Christ <bryan.christ@mediafire.com>
* 2014 Johannes Schauer <j.schauer@email.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2, as published by
* the Free Software Foundation.
*
* 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., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "../mfshell.h"
#include "../commands.h"
#include "../../mfapi/apicalls.h"
int
mfshell_cmd_chdir(mfshell_t *mfshell, int argc, char **argv)
{
folder_t *folder_new;
const char *folder_curr;
const char *folder_parent;
const char *folderkey;
int retval;
if(mfshell == NULL) return -1;
if (argc != 2) {
fprintf(stderr, "Invalid number of arguments\n");
return -1;
}
folderkey = argv[1];
if(folderkey == NULL) return -1;
// change to root
if(strcmp(folderkey,"/") == 0) folderkey = "myfiles";
// user wants to navigate up a level
if(strcmp(folderkey,"..") == 0)
{
// do several sanity checks to see if we're already at the root
folder_curr = folder_get_key(mfshell->folder_curr);
if(folder_curr == NULL) return 0;
if(strcmp(folder_curr,"myfiles") == 0) return 0;
folder_parent = folder_get_parent(mfshell->folder_curr);
if(folder_parent == NULL) return 0;
// it's pretty sure that we're not at the root
folderkey = folder_parent;
}
// check the lenght of the key
if(strlen(folderkey) != 13)
{
// as a folder moniker, "myfiles" is an exception
if(strcmp(folderkey,"myfiles") != 0) return -1;
}
// create a new folder object to store the results
folder_new = folder_alloc();
// navigate to root is a special case
if(strcmp(folderkey,"myfiles") == 0)
{
folder_set_key(folder_new,"myfiles");
retval = 0;
}
else
{
retval = mfconn_api_folder_get_info(mfshell->mfconn,
folder_new,(char*)folderkey);
mfconn_update_secret_key(mfshell->mfconn);
}
if(retval == 0)
{
if(mfshell->folder_curr != NULL)
{
folder_free(mfshell->folder_curr);
mfshell->folder_curr = NULL;
}
mfshell->folder_curr = folder_new;
}
else
{
folder_free(folder_new);
}
return retval;
}