early-access version 1611

externals/SDL/src/filesystem/cocoa/SDL_sysfilesystem.m

@@ -0,0 +1,138 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2020 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_internal.h"
+
+#ifdef SDL_FILESYSTEM_COCOA
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include <Foundation/Foundation.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_filesystem.h"
+#include "SDL_log.h"
+
+char *
+SDL_GetBasePath(void)
+{ @autoreleasepool
+{
+    NSBundle *bundle = [NSBundle mainBundle];
+    const char* baseType = [[[bundle infoDictionary] objectForKey:@"SDL_FILESYSTEM_BASE_DIR_TYPE"] UTF8String];
+    const char *base = NULL;
+    char *retval = NULL;
+
+    if (baseType == NULL) {
+        baseType = "resource";
+    }
+    if (SDL_strcasecmp(baseType, "bundle")==0) {
+        base = [[bundle bundlePath] fileSystemRepresentation];
+    } else if (SDL_strcasecmp(baseType, "parent")==0) {
+        base = [[[bundle bundlePath] stringByDeletingLastPathComponent] fileSystemRepresentation];
+    } else {
+        /* this returns the exedir for non-bundled  and the resourceDir for bundled apps */
+        base = [[bundle resourcePath] fileSystemRepresentation];
+    }
+
+    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);
+        }
+    }
+
+    return retval;
+}}
+
+char *
+SDL_GetPrefPath(const char *org, const char *app)
+{ @autoreleasepool
+{
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    char *retval = NULL;
+#if !TARGET_OS_TV
+    NSArray *array = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
+#else
+    /* tvOS does not have persistent local storage!
+     * The only place on-device where we can store data is
+     * a cache directory that the OS can empty at any time.
+     *
+     * It's therefore very likely that save data will be erased
+     * between sessions. If you want your app's save data to
+     * actually stick around, you'll need to use iCloud storage.
+     */
+
+    static SDL_bool shown = SDL_FALSE;
+    if (!shown)
+    {
+        shown = SDL_TRUE;
+        SDL_LogCritical(SDL_LOG_CATEGORY_SYSTEM, "tvOS does not have persistent local storage! Use iCloud storage if you want your data to persist between sessions.\n");
+    }
+
+    NSArray *array = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
+#endif /* !TARGET_OS_TV */
+
+    if ([array count] > 0) {  /* we only want the first item in the list. */
+        NSString *str = [array objectAtIndex:0];
+        const char *base = [str fileSystemRepresentation];
+        if (base) {
+            const size_t len = SDL_strlen(base) + SDL_strlen(org) + SDL_strlen(app) + 4;
+            retval = (char *) SDL_malloc(len);
+            if (retval == NULL) {
+                SDL_OutOfMemory();
+            } else {
+                char *ptr;
+                if (*org) {
+                    SDL_snprintf(retval, len, "%s/%s/%s/", base, org, app);
+                } else {
+                    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);
+            }
+        }
+    }
+
+    return retval;
+}}
+
+#endif /* SDL_FILESYSTEM_COCOA */
+
+/* vi: set ts=4 sw=4 expandtab: */