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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11115 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jonathan Gordon
parent
7ae8e44c95
commit
2d1ff6cc27
2 changed files with 0 additions and 209 deletions
167
apps/fileutils.c
167
apps/fileutils.c
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 Jonathan Gordon
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "playlist.h"
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#include "filetree.h"
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#include "dir.h"
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#include "tree.h"
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#include "lang.h"
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#include "fileutils.h"
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#include "settings.h"
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#include "gui/splash.h"
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#include "action.h"
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#include "debug.h"
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#define MAX_DEPTH 32
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/**
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RETURNS: DIRWALKER_RETURN_SUCCESS if it successfully went through the directory tree
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DIRWALKER_RETURN_ERROR if it stopped for an error
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DIRWALKER_RETURN_FORCED if it was told to stop by one of the callbacks, or user aborted
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**/
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int dirwalker(const char *start_dir, bool recurse, bool is_forward,
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int (*folder_callback)(const char* dir, void *param),void* folder_param,
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int (*file_callback)(const char* folder,const char* file,
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const int file_attr,void *param),void* file_param)
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{
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char folder[MAX_PATH+1];
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int current_file_stack[MAX_DEPTH];
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int stack_top = 0;
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int result = DIRWALKER_RETURN_SUCCESS;
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int num_files = 0;
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int i;
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char *s;
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struct entry *files;
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struct tree_context* tc = tree_get_context();
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int dirfilter = *(tc->dirfilter);
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int sort_dir = global_settings.sort_dir;
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/* sort in another direction if previous dir is requested */
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if(!is_forward){
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int reverse_sort_dir[5] = {4,2,1,4,0};
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global_settings.sort_dir = reverse_sort_dir[sort_dir];
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}
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/* use the tree browser dircache to load files */
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*(tc->dirfilter) = SHOW_ALL;
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/* setup stuff */
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strcpy(folder, start_dir);
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current_file_stack[0] = -1;
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while (!result && (stack_top>=0) )
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{
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if (ft_load(tc, folder) < 0)
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{
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gui_syncsplash(HZ*2, true,"%s %s",folder,
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str(LANG_PLAYLIST_DIRECTORY_ACCESS_ERROR));
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result = DIRWALKER_RETURN_ERROR;
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}
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files = (struct entry*) tc->dircache;
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num_files = tc->filesindir;
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i = current_file_stack[stack_top--]+1;
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while ( i<num_files )
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{
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/* user abort */
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if (action_userabort(TIMEOUT_NOBLOCK))
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{
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result = DIRWALKER_RETURN_FORCED;
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break;
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}
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if ((files[i].attr & ATTR_DIRECTORY) && recurse)
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{
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bool enter_dir = true;
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strcat(folder,"/");
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strcat(folder,files[i].name);
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if (folder_callback)
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{
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switch (folder_callback(folder,folder_param))
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{
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case DIRWALKER_ERROR:
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result = DIRWALKER_RETURN_ERROR;
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enter_dir = false;
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break;
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case DIRWALKER_OK:
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enter_dir = true;
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break;
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case DIRWALKER_IGNORE:
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enter_dir = false;
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break;
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case DIRWALKER_QUIT:
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result = DIRWALKER_RETURN_FORCED;
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enter_dir = false;
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break;
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}
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}
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if (enter_dir)
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{
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current_file_stack[++stack_top] = i;
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if(ft_load(tc, folder) < 0)
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{
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gui_syncsplash(HZ*2, true,"%s %s",folder,
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str(LANG_PLAYLIST_DIRECTORY_ACCESS_ERROR));
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result = DIRWALKER_RETURN_ERROR;
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break;
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}
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files = (struct entry*) tc->dircache;
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num_files = tc->filesindir;
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i=0;
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continue;
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}
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else
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{
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s = strrchr(folder,'/');
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if (s) *s ='\0';
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}
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}
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else if (((files[i].attr & ATTR_DIRECTORY) == 0) && file_callback)
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{
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int ret = file_callback(folder,files[i].name,
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files[i].attr,file_param);
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if (ret == DIRWALKER_ERROR)
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result = DIRWALKER_RETURN_ERROR;
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else if (ret == DIRWALKER_LEAVEDIR)
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break; /* break out of inner while() */
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else if (ret == DIRWALKER_QUIT)
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result = DIRWALKER_RETURN_FORCED;
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}
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i++;
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} /* while ( i<num_files ) */
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s = strrchr(folder,'/');
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if (s) *s ='\0';
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} /* while (!result && (stack_top>=0) ) */
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/* we've overwritten the dircache so tree browser
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will need to be reloaded */
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reload_directory();
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/* restore dirfilter */
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*(tc->dirfilter) = dirfilter;
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global_settings.sort_dir = sort_dir;
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return result;
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}
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@ -1,42 +0,0 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 Jonathan Gordon
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _FILEUTILS_H_
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#define _FILEUTILS_H_
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enum {
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DIRWALKER_ERROR = -1,
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DIRWALKER_OK = 0,
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DIRWALKER_IGNORE, /* only valid from folder callback */
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DIRWALKER_LEAVEDIR, /* only valid from file callback */
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DIRWALKER_QUIT
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};
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enum {
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DIRWALKER_RETURN_ERROR = -1,
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DIRWALKER_RETURN_SUCCESS,
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DIRWALKER_RETURN_FORCED
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};
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int dirwalker(const char *start_dir, bool recurse, bool is_forward,
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int (*folder_callback)(const char* dir, void *param),void* folder_param,
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int (*file_callback)(const char* folder,const char* file,
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const int file_attr,void *param),void* file_param);
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#endif /* _FILEUTILS_H_ */
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