rockbox/apps/plugins/shortcuts/shortcuts_append.c
Robert Kukla d87b037efe consolidate the 3 file_exists() functions into one; use the version that explicitly uses dircache; give dir_exists() the same treatment for consistency
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15742 a1c6a512-1295-4272-9138-f99709370657
2007-11-21 21:28:27 +00:00

109 lines
3.4 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 Bryan Childs
* Copyright (c) 2007 Alexander Levin
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "shortcuts.h"
PLUGIN_HEADER
bool append_entry_to_file(sc_file_t *file, char *path, bool is_dir)
{
sc_entry_t entry;
unsigned int required_len = rb->strlen(path);
if (is_dir) {
required_len += PATH_SEPARATOR_LEN; /* Add 1 for the trailing / */
}
if (required_len >= sizeof(entry.path)) {
/* no attempt to print it: it will also be so too long for the splash */
rb->splash(HZ*2, "Can't append shortcut, it's too long");
return false;
}
entry.explicit_disp = false;
rb->strcpy(entry.path, path);
if (is_dir) {
rb->strcat(entry.path, PATH_SEPARATOR);
}
if (!append_entry(file, &entry)) {
rb->splash(HZ*2, "Too many entries!");
return false;
}
return true;
}
enum plugin_status plugin_start(struct plugin_api* api, void* void_parameter)
{
rb = api;
bool found;
bool its_a_dir;
/* This is a viewer, so a parameter must have been specified */
if (void_parameter == NULL) {
rb->splash(HZ*2, "No parameter specified!");
return PLUGIN_ERROR;
}
char *parameter = (char*)void_parameter;
DEBUGF("Trying to append '%s' to the default link file '%s'...\n",
parameter, SHORTCUTS_FILENAME);
allocate_memory(&memory_buf, &memory_bufsize);
/* Determine if it's a file or a directory. First check
* if it's a dir and then file (not vice versa) since
* open() can also open a dir */
found = true;
if (rb->dir_exists(parameter)) {
its_a_dir = true;
} else if (rb->file_exists(parameter)) {
its_a_dir = false;
} else {
found = false;
}
/* now we know if it's a file or a directory
* (or something went wrong) */
if (!found) {
/* Something's gone properly pear shaped -
* we couldn't even find the entry */
rb->splash(HZ*2, "File/Dir not found: %s", parameter);
return PLUGIN_ERROR;
}
DEBUGF("'%s' is a %s\n", parameter, (its_a_dir ? "dir" : "file"));
if (!load_sc_file(&sc_file, SHORTCUTS_FILENAME, false,
memory_buf, memory_bufsize)) {
DEBUGF("Couldn't load '%s'\n", SHORTCUTS_FILENAME);
return PLUGIN_ERROR;
}
if (!append_entry_to_file(&sc_file, parameter, its_a_dir)) {
DEBUGF("Couldn't append entry (too many entries?)\n");
return PLUGIN_ERROR;
}
if (!dump_sc_file(&sc_file, SHORTCUTS_FILENAME)) {
DEBUGF("Couldn't write shortcuts to '%s'\n", SHORTCUTS_FILENAME);
return PLUGIN_ERROR;
}
return PLUGIN_OK;
}