const char* environment_home_directory( void )
{
if( _environment_home_dir[0] )
return _environment_home_dir;
#if FOUNDATION_PLATFORM_WINDOWS
{
char* path;
wchar_t* wpath = memory_allocate_zero( sizeof( wchar_t ) * FOUNDATION_MAX_PATHLEN, 0, MEMORY_TEMPORARY );
SHGetFolderPathW( 0, CSIDL_LOCAL_APPDATA, 0, 0, wpath );
path = path_clean( string_allocate_from_wstring( wpath, 0 ), true );
string_copy( _environment_home_dir, path, FOUNDATION_MAX_PATHLEN );
string_deallocate( path );
memory_deallocate( wpath );
}
#elif FOUNDATION_PLATFORM_LINUX
string_copy( _environment_home_dir, environment_variable( "HOME" ), FOUNDATION_MAX_PATHLEN );
#elif FOUNDATION_PLATFORM_APPLE
if( environment_application()->flags & APPLICATION_UTILITY )
{
CFStringRef home = NSHomeDirectory();
CFStringGetCString( home, _environment_home_dir, FOUNDATION_MAX_PATHLEN, kCFStringEncodingUTF8 );
}
else
{
char bundle_identifier[FOUNDATION_MAX_PATHLEN+1];
environment_bundle_identifier( bundle_identifier );
char* path = path_append( path_merge( _environment_home_dir, "/Library/Application Support" ), bundle_identifier );
string_copy( _environment_home_dir, path, FOUNDATION_MAX_PATHLEN );
string_deallocate( path );
}
#elif FOUNDATION_PLATFORM_ANDROID
string_copy( _environment_home_dir, android_app()->activity->internalDataPath, FOUNDATION_MAX_PATHLEN );
#else
# error Not implemented
#endif
return _environment_home_dir;
}
char *arUtilGetResourcesDirectoryPath(AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR behavior)
#endif
{
#ifndef _WINRT
char *wpath1;
char *wpath2;
# ifdef _WIN32
DWORD len;
# endif
#endif
AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR behaviorW;
if (behavior == AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_BEST) {
#if defined(__APPLE__)
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_BUNDLE_RESOURCES_DIR;
#elif defined(ANDROID)
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_APP_CACHE_DIR;
#elif defined(_WIN32) || defined(__linux)
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_EXECUTABLE_DIR;
#else
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_CWD;
#endif
} else {
behaviorW = behavior;
}
switch (behaviorW) {
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_EXECUTABLE_DIR:
#if (defined(_WIN32) && !defined(_WINRT)) || defined(__APPLE__) || defined(__linux)
arMallocClear(wpath1, char, MAXPATHLEN);
# if defined(_WIN32)
len = GetModuleFileName(NULL, wpath1, MAXPATHLEN); // NULL implies the current process.
if (!len) {
free (wpath1);
return (NULL);
}
# elif defined(__APPLE__)
uint32_t size = MAXPATHLEN;
if (_NSGetExecutablePath(wpath1, &size) != 0) {
free (wpath1);
return (NULL);
}
# elif defined(__linux)
ssize_t len;
len = readlink("/proc/self/exe", wpath1, MAXPATHLEN - 1); // -1 as it is not NULL terminated.
if (len == -1) {
ARLOGperror(NULL);
free (wpath1);
return (NULL);
}
wpath1[len] = '\0'; // NULL terminate.
# endif
arMallocClear(wpath2, char, MAXPATHLEN);
if (!arUtilGetDirectoryNameFromPath(wpath2, wpath1, MAXPATHLEN, 0)) {
free (wpath1);
free (wpath2);
return (NULL);
}
free (wpath1);
return (wpath2);
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_BUNDLE_RESOURCES_DIR:
#if defined(__APPLE__)
{
// Change working directory to resources directory inside app bundle.
wpath1 = NULL;
CFURLRef pathCFURLRef = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle()); // Get relative path to resources directory.
if (pathCFURLRef) {
wpath1 = (char *)calloc(MAXPATHLEN, sizeof(char)); //getcwd(path, MAXPATHLEN);
if (wpath1) {
if (!CFURLGetFileSystemRepresentation(pathCFURLRef, true, (UInt8*)wpath1, MAXPATHLEN)) { // true in param 2 resolves against base.
ARLOGe("Error: Unable to get file system representation of a CFURL.\n");
free(wpath1);
wpath1 = NULL;
}
}
CFRelease(pathCFURLRef);
}
return (wpath1);
}
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_CWD:
#ifndef _WINRT
arMallocClear(wpath1, char, MAXPATHLEN);
if (!getcwd(wpath1, MAXPATHLEN)) {
free(wpath1);
return (NULL);
}
return (wpath1);
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_USER_ROOT:
#if defined(_WIN32) && !defined(_WINRT)
arMallocClear(wpath1, char, MAXPATHLEN);
if (!SUCCEEDED(SHGetFolderPath(NULL, CSIDL_PROFILE, NULL, 0, wpath1))) {
free (wpath1);
return (NULL);
}
return (wpath1);
#elif defined(ANDROID)
{
// Make JNI calls to get the external storage directory.
// To begin, get a reference to the env and attach to it.
JNIEnv *env;
int isAttached = 0;
jthrowable exception;
if (((*gJavaVM)->GetEnv(gJavaVM, (void**)&env, JNI_VERSION_1_6)) < 0) {
// Couldn't get JNI environment, so this thread is native.
if (((*gJavaVM)->AttachCurrentThread(gJavaVM, &env, NULL)) < 0) {
ARLOGe("Error: Couldn't attach to Java VM.\n");
return (NULL);
}
isAttached = 1;
}
// Get File object for the external storage directory.
jclass classEnvironment = (*env)->FindClass(env, "android/os/Environment");
if (!classEnvironment) goto bailAndroid;
jmethodID methodIDgetExternalStorageDirectory = (*env)->GetStaticMethodID(env, classEnvironment, "getExternalStorageDirectory", "()Ljava/io/File;"); // public static File getExternalStorageDirectory ()
if (!methodIDgetExternalStorageDirectory) goto bailAndroid;
jobject objectFile = (*env)->CallStaticObjectMethod(env, classEnvironment, methodIDgetExternalStorageDirectory);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Call method on File object to retrieve String object.
jclass classFile = (*env)->GetObjectClass(env, objectFile);
if (!classFile) goto bailAndroid;
jmethodID methodIDgetAbsolutePath = (*env)->GetMethodID(env, classFile, "getAbsolutePath", "()Ljava/lang/String;");
if (!methodIDgetAbsolutePath) goto bailAndroid;
jstring stringPath = (*env)->CallObjectMethod(env, objectFile, methodIDgetAbsolutePath);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Extract a C string from the String object and copy it.
const char *wpath3 = (*env)->GetStringUTFChars(env, stringPath, NULL);
wpath1 = strdup(wpath3);
(*env)->ReleaseStringUTFChars(env, stringPath, wpath3);
goto retAndroid;
bailAndroid:
ARLOGe("Error: JNI call failure.\n");
wpath1 = NULL;
retAndroid:
if (isAttached) (*gJavaVM)->DetachCurrentThread(gJavaVM); // Clean up.
return (wpath1);
}
#elif defined(__APPLE__) && defined(__OBJC__) // iOS/OS X.
{
NSString *nssHomeDir = NSHomeDirectory(); // CoreFoundation equivalent is CFCopyHomeDirectoryURL(), iOS 6.0+ only.
if (!nssHomeDir) {
return (NULL);
}
wpath1 = strdup([nssHomeDir UTF8String]);
return wpath1;
}
#elif defined(__linux)
if (!((wpath1 = getenv("HOME")))) {
return (NULL);
}
return (strdup(wpath1));
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_APP_CACHE_DIR:
#if defined(_WIN32)
return (NULL);
#elif defined(__APPLE__) // iOS/OS X.
{
# ifdef __OBJC__
NSURL *cacheDir = [[[NSFileManager defaultManager] URLsForDirectory:NSCachesDirectory inDomains:NSUserDomainMask] objectAtIndex:0];
if (!cacheDir) {
return (NULL);
}
wpath1 = strdup([[cacheDir path] UTF8String]);
# else
size_t len = confstr(_CS_DARWIN_USER_CACHE_DIR, NULL, 0);
if (!len) return (NULL);
wpath1 = (char *)malloc(len);
len = confstr(_CS_DARWIN_USER_CACHE_DIR, wpath1, len); // On OS X, returns a folder in the sandbox hierachy under /var/folders/.
if (!len) return (NULL);
# endif
return (wpath1);
}
#elif defined(ANDROID)
{
// Make JNI calls to get the Context's cache directory.
// To begin, get a reference to the env and attach to it.
JNIEnv *env;
int isAttached = 0;
int ret = 0;
jthrowable exception;
if (((*gJavaVM)->GetEnv(gJavaVM, (void**)&env, JNI_VERSION_1_6)) < 0) {
// Couldn't get JNI environment, so this thread is native.
if (((*gJavaVM)->AttachCurrentThread(gJavaVM, &env, NULL)) < 0) {
ARLOGe("Error: Couldn't attach to Java VM.\n");
return (NULL);
}
isAttached = 1;
}
// Get File object for the Context's files directory. This only works
// if a subclass of Context is supplied.
// e.g. JNIEXPORT void JNICALL Java_com_test_TestActivity_test(JNIEnv * env, jobject obj)
// so make sure before call.
jclass classOfSuppliedObject = (*env)->GetObjectClass(env, instanceOfAndroidContext);
if (!classOfSuppliedObject) goto bailAndroid1;
jclass classContext = (*env)->FindClass(env, "android/content/Context");
if (!classContext) goto bailAndroid1;
if (!(*env)->IsInstanceOf(env, instanceOfAndroidContext, classContext)) {
ARLOGe("Error: supplied object is not an instance of android/content/Context.\n");
wpath1 = NULL; // Bad parameter.
goto retAndroid1;
}
jmethodID methodGetDir = (*env)->GetMethodID(env, classOfSuppliedObject, "getCacheDir", "()Ljava/io/File;"); // public abstract File getCacheDir();
//jmethodID methodGetDir = (*env)->GetMethodID(env, classOfSuppliedObject, "getFilesDir", "(Ljava/lang/String;)Ljava/io/File;"); // public abstract File getFilesDir(String type);
if (!methodGetDir) goto bailAndroid1;
jobject objectFile = (*env)->CallObjectMethod(env, instanceOfAndroidContext, methodGetDir);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Call method on File object to retrieve String object.
jclass classFile = (*env)->GetObjectClass(env, objectFile);
if (!classFile) goto bailAndroid1;
jmethodID methodIDgetAbsolutePath = (*env)->GetMethodID(env, classFile, "getAbsolutePath", "()Ljava/lang/String;");
if (!methodIDgetAbsolutePath) goto bailAndroid1;
jstring stringPath = (*env)->CallObjectMethod(env, objectFile, methodIDgetAbsolutePath);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Extract a C string from the String object, and chdir() to it.
const char *wpath3 = (*env)->GetStringUTFChars(env, stringPath, NULL);
wpath1 = strdup(wpath3);
(*env)->ReleaseStringUTFChars(env, stringPath, wpath3);
goto retAndroid1;
bailAndroid1:
ARLOGe("Error: JNI call failure.\n");
wpath1 = NULL;
retAndroid1:
if (isAttached) (*gJavaVM)->DetachCurrentThread(gJavaVM); // Clean up.
return (wpath1);
}
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_APP_DATA_DIR:
#ifdef _WINRT
//auto folder = Windows::Storage::ApplicationData::Current->LocalFolder;
//wpath1 = strdup(folder->Path->Data().c_str());
//return (wpath1);
return (NULL); // Unsupported OS.
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_SUPPLIED_PATH:
default:
return (NULL); // Undefined behaviour.
break;
}
}
