pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added SDL_GetBasePath() and SDL_GetPrefPath() in new filesystem module.

Browse source 
--HG--
extra : rebase_source : c1fac232063443a2880e64f1abda85e0bdb2e710
This commit is contained in:
Ryan C. Gordon 2013-08-20 19:57:11 -04:00
parent a001caf902
commit 2b9a2802b2
30 changed files with 848 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

92
src/filesystem/beos/SDL_sysfilesystem.cc Normal file
View file

@ -0,0 +1,92 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_config.h"
#ifdef SDL_FILESYSTEM_BEOS
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent filesystem routines */
#include <os/kernel/image.h>
#include <os/storage/Directory.h>
#include <os/storage/Path.h>
#include "SDL_error.h"
#include "SDL_stdinc.h"
#include "SDL_assert.h"
#include "SDL_filesystem.h"
char *
SDL_GetBasePath(void)
{
image_info info;
int32 cookie = 0;
while (get_next_image_info(0, &cookie, &info) == B_OK) {
if (info.type == B_APP_IMAGE) {
break;
}
}
BEntry entry(info.name, true);
BPath path;
status_t rc = entry.GetPath(&path); /* (path) now has binary's path. */
SDL_assert(rc == B_OK);
rc = path.GetParent(&path); /* chop filename, keep directory. */
SDL_assert(rc == B_OK);
const char *str = path.Path();
SDL_assert(str != NULL);
const size_t len = SDL_strlen(str);
char *retval = (char *) SDL_malloc(len + 2);
if (!retval) {
SDL_OutOfMemory();
return NULL;
}
SDL_strcpy(retval, str);
retval[len] = '/';
retval[len+1] = '\0';
return retval;
}
char *
SDL_GetPrefPath(const char *org, const char *app)
{
// !!! FIXME: is there a better way to do this?
const char *home = SDL_getenv("HOME");
const char *append = "config/settings/";
const size_t len = SDL_strlen(home) + SDL_strlen(append) + SDL_strlen(app) + 2;
char *retval = (char *) SDL_malloc(len);
if (!retval) {
SDL_OutOfMemory();
} else {
SDL_snprintf(retval, len, "%s%s%s/", home, append, app);
create_directory(retval, 0700); // BeOS api: creates missing dirs
}
return retval;
}
#endif /* SDL_FILESYSTEM_BEOS */
/* vi: set ts=4 sw=4 expandtab: */

93
src/filesystem/cocoa/SDL_sysfilesystem.m Normal file
View file

@ -0,0 +1,93 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_config.h"
#ifdef SDL_FILESYSTEM_COCOA
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent filesystem routines */
#include <Cocoa/Cocoa.h>
#include <sys/stat.h>
#include "SDL_error.h"
#include "SDL_stdinc.h"
#include "SDL_filesystem.h"
char *
SDL_GetBasePath(void)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
const char *base = [[[NSBundle mainBundle] bundlePath] UTF8String];
char *retval = NULL;
if (base) {
const size_t len = SDL_strlen(base) + 2;
retval = (char *) SDL_malloc(len);
if (retval == NULL) {
SDL_OutOfMemory();
} else {
SDL_snprintf(retval, len, "%s/", base);
}
}
[pool release];
return retval;
}
char *
SDL_GetPrefPath(const char *org, const char *app)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSArray *array = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
char *retval = NULL;
(void) org; // unused on Mac OS X and iOS.
if ([array count] > 0) { // we only want the first item in the list.
NSString *str = [array objectAtIndex:0];
const char *base = [str UTF8String];
if (base) {
const size_t len = SDL_strlen(base) + SDL_strlen(app) + 3;
retval = (char *) SDL_malloc(len);
if (retval == NULL) {
SDL_OutOfMemory();
} else {
char *ptr;
SDL_snprintf(retval, len, "%s/%s/", base, app);
for (ptr = retval+1; *ptr; ptr++) {
if (*ptr == '/') {
*ptr = '\0';
mkdir(retval, 0700);
*ptr = '/';
}
}
mkdir(retval, 0700);
}
}
}
[pool release];
return retval;
}
#endif /* SDL_FILESYSTEM_COCOA */
/* vi: set ts=4 sw=4 expandtab: */

47
src/filesystem/dummy/SDL_sysfilesystem.c Normal file
View file

@ -0,0 +1,47 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_config.h"
#ifdef SDL_FILESYSTEM_DUMMY
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent filesystem routines */
#include "SDL_error.h"
#include "SDL_filesystem.h"
char *
SDL_GetBasePath(void)
{
SDL_Unsupported();
return NULL;
}
char *
SDL_GetPrefPath(const char *org, const char *app)
{
SDL_Unsupported();
return NULL;
}
#endif /* SDL_FILESYSTEM_DUMMY */
/* vi: set ts=4 sw=4 expandtab: */

161
src/filesystem/unix/SDL_sysfilesystem.c Normal file
View file

@ -0,0 +1,161 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_config.h"
#ifdef SDL_FILESYSTEM_UNIX
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent filesystem routines */
#include <unistd.h>
#include "SDL_error.h"
#include "SDL_stdinc.h"
#include "SDL_filesystem.h"
static char *readSymLink(const char *path)
{
char *retval = NULL;
ssize_t len = 64;
ssize_t rc = -1;
while (1)
{
char *ptr = (char *) SDL_realloc(retval, (size_t) len);
if (ptr == NULL) {
SDL_OutOfMemory();
break;
}
retval = ptr;
rc = readlink(path, retval, len);
if (rc == -1) {
break; /* not a symlink, i/o error, etc. */
} else if (rc < len) {
retval[rc] = '\0'; /* readlink doesn't null-terminate. */
return retval; /* we're good to go. */
}
len *= 2; /* grow buffer, try again. */
}
if (retval != NULL) {
SDL_free(retval);
}
return NULL;
}
char *
SDL_GetBasePath(void)
{
char *retval = NULL;
/* is a Linux-style /proc filesystem available? */
if (access("/proc", F_OK) {
retval = readSymLink("/proc/self/exe");
if (retval == NULL) {
/* older kernels don't have /proc/self ... try PID version... */
char path[64];
const int rc = (int) SDL_snprintf(path, sizeof(path),
"/proc/%llu/exe",
(unsigned long long) getpid());
if ( (rc > 0) && (rc < sizeof(path)) ) {
retval = readSymLink(path);
}
}
}
/* If we had access to argv[0] here, we could check it for a path,
or troll through $PATH looking for it, too. */
if (retval != NULL) { /* chop off filename. */
char *ptr = SDL_strrchr(retval, '/');
if (ptr != NULL) {
*(ptr+1) = '\0';
} else { /* shouldn't happen, but just in case... */
SDL_free(retval);
retval = NULL;
}
}
if (retval != NULL) {
/* try to shrink buffer... */
char *ptr = (char *) SDL_realloc(retval, strlen(retval) + 1);
if (ptr != NULL)
retval = ptr; /* oh well if it failed. */
}
return retval;
}
char *
SDL_GetPrefPath(const char *org, const char *app)
{
/*
* We use XDG's base directory spec, even if you're not on Linux.
* This isn't strictly correct, but the results are relatively sane
* in any case.
*
* http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
*/
const char *envr = SDL_getenv("XDG_DATA_HOME");
const char *append = "/";
char *retval = NULL;
char *ptr = NULL;
size_t len = 0;
if (!envr) {
/* You end up with "$HOME/.local/share/Game Name 2" */
envr = SDL_getenv("HOME");
if (!envr) {
/* we could take heroic measures with /etc/passwd, but oh well. */
SDL_SetError("neither XDG_DATA_HOME nor HOME environment is set");
return NULL;
}
append = ".local/share/";
} /* if */
len = SDL_strlen(envr) + SDL_strlen(append) + SDL_strlen(app) + 2;
retval = (char *) SDL_malloc(len);
if (!retval) {
SDL_OutOfMemory();
return NULL;
}
SDL_snprintf(retval, len, "%s%s%s/", envr, append, app);
for (ptr = retval+1; *ptr; ptr++) {
if (*ptr == '/') {
*ptr = '\0';
mkdir(retval, 0700);
*ptr = '/';
}
}
mkdir(retval, 0700);
return retval;
}
#endif /* SDL_FILESYSTEM_UNIX */
/* vi: set ts=4 sw=4 expandtab: */

96
src/filesystem/windows/SDL_sysfilesystem.c Normal file
View file

@ -0,0 +1,96 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_config.h"
#ifdef SDL_FILESYSTEM_WINDOWS
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent filesystem routines */
#include "SDL_error.h"
#include "SDL_windows.h"
#include "SDL_stdinc.h"
#include "SDL_filesystem.h"
char *
SDL_GetBasePath(void)
{
TCHAR path[MAX_PATH];
const DWORD len = GetModuleFileName(NULL, path, SDL_arraysize(path));
size_t i;
SDL_assert(len < SDL_arraysize(path));
if (len == 0) {
WIN_SetError("Couldn't locate our .exe");
return NULL;
}
for (i = len-1; i > 0; i--) {
if (path[i] == '\\') {
break;
}
}
SDL_assert(i > 0); /* Should have been an absolute path. */
path[i+1] = '\0'; /* chop off filename. */
return WIN_StringToUTF8(path);
}
char *
SDL_GetPrefPath(const char *org, const char *app)
{
/*
* Vista and later has a new API for this, but SHGetFolderPath works there,
* and apparently just wraps the new API. This is the new way to do it:
*
* SHGetKnownFolderPath(FOLDERID_RoamingAppData, KF_FLAG_CREATE,
* NULL, &wszPath);
*/
TCHAR path[MAX_PATH];
char *utf8 = NULL;
char *retval = NULL;
if (!SUCCEEDED(SHGetFolderPath(NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE, NULL, 0, path))) {
WIN_SetError("Couldn't locate our prefpath");
return NULL;
}
utf8 = WIN_StringToUTF8(path);
if (utf8) {
const size_t len = SDL_strlen(utf8) + SDL_strlen(org) + SDL_strlen(app) + 4;
retval = (char *) SDL_malloc(len);
if (!retval) {
SDL_free(utf8);
SDL_OutOfMemory();
return NULL;
}
SDL_snprintf(retval, len, "%s\\%s\\%s\\", utf8, org, app);
SDL_free(utf8);
}
return retval;
}
#endif /* SDL_FILESYSTEM_WINDOWS */
/* vi: set ts=4 sw=4 expandtab: */