mirror of
https://github.com/CTCaer/RetroArch.git
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132 lines
3.8 KiB
C
132 lines
3.8 KiB
C
/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
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* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2012 - Daniel De Matteis
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*
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* Some code herein may be based on code found in BSNES.
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*
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* SSNES is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with SSNES.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <Xtl.h>
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#include "file_browser.h"
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#include "../general.h"
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#include "../file.h"
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static const char * filebrowser_get_extension(const char * filename)
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{
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const char * ext = strrchr(filename, '.');
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if (ext)
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return ext+1;
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else
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return "";
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}
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static void filebrowser_clear_current_entries(filebrowser_t * filebrowser)
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{
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for(uint32_t i = 0; i < MAX_FILE_LIMIT; i++)
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{
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filebrowser->cur[filebrowser->file_count].d_type = 0;
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filebrowser->cur[filebrowser->file_count].d_namlen = 0;
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strcpy(filebrowser->cur[filebrowser->file_count].d_name, "\0");
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}
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}
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void filebrowser_parse_directory(filebrowser_t * filebrowser, const char * path, const char *extensions)
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{
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int error = FALSE;
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filebrowser->file_count = 0;
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WIN32_FIND_DATA ffd;
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HANDLE hFind = INVALID_HANDLE_VALUE;
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char path_buf[PATH_MAX];
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if (strlcpy(path_buf, path, sizeof(path_buf)) >= sizeof(path_buf))
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{
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error = TRUE;
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goto error;
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}
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if (strlcat(path_buf, "\\*", sizeof(path_buf)) >= sizeof(path_buf))
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{
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error = TRUE;
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goto error;
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}
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hFind = FindFirstFile(path_buf, &ffd);
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if (hFind == INVALID_HANDLE_VALUE)
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{
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error = TRUE;
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goto error;
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}
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do
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{
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strcpy(filebrowser->dir[filebrowser->directory_stack_size], path);
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bool found_dir = false;
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if(!(ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
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{
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char tmp_extensions[512];
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strncpy(tmp_extensions, extensions, sizeof(tmp_extensions));
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const char * current_extension = filebrowser_get_extension(ffd.cFileName);
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bool found_rom = false;
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if(current_extension)
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{
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char * pch = strtok(tmp_extensions, "|");
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while (pch != NULL)
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{
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if(strcmp(current_extension, pch) == 0)
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{
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found_rom = true;
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break;
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}
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pch = strtok(NULL, "|");
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}
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}
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if(!found_rom)
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continue;
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}
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else if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
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found_dir = true;
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filebrowser->cur[filebrowser->file_count].d_type = found_dir ? FILE_ATTRIBUTE_DIRECTORY : FILE_ATTRIBUTE_NORMAL;
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sprintf(filebrowser->cur[filebrowser->file_count].d_name, ffd.cFileName);
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filebrowser->file_count++;
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}while (FindNextFile(hFind, &ffd) != 0 && (filebrowser->file_count + 1) < FATX_MAX_FILE_LIMIT);
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error:
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if(error)
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{
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SSNES_ERR("Failed to open directory: \"%s\"\n", path);
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}
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FindClose(hFind);
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}
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void filebrowser_new(filebrowser_t * filebrowser, const char * start_dir, const char * extensions)
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{
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filebrowser_clear_current_entries(filebrowser);
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filebrowser->directory_stack_size = 0;
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strcpy(filebrowser->extensions, extensions);
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filebrowser_parse_directory(filebrowser, start_dir, filebrowser->extensions);
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}
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void filebrowser_push_directory(filebrowser_t * filebrowser, const char * path, bool with_extension)
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{
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filebrowser->directory_stack_size++;
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if(with_extension)
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filebrowser_parse_directory(filebrowser, path, filebrowser->extensions);
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else
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filebrowser_parse_directory(filebrowser, path, "empty");
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} |