WebSVN – Games.Descent – Blame – /libphysfs/src/physfs_platform_apple.m

Rev	Author	Line No.	Line
1	pmbaty	1	/*
		2	* Apple platform (macOS, iOS, watchOS, etc) support routines for PhysicsFS.
		3	*
		4	* Please see the file LICENSE.txt in the source's root directory.
		5	*
		6	* This file written by Ryan C. Gordon.
		7	*/
		8
		9	#define __PHYSICSFS_INTERNAL__
		10	#include "physfs_platforms.h"
		11
		12	#ifdef PHYSFS_PLATFORM_APPLE
		13
		14	#include <Foundation/Foundation.h>
		15
		16	#include "physfs_internal.h"
		17
		18	int __PHYSFS_platformInit(void)
		19	{
		20	return 1; /* success. */
		21	} /* __PHYSFS_platformInit */
		22
		23
		24	void __PHYSFS_platformDeinit(void)
		25	{
		26	/* no-op */
		27	} /* __PHYSFS_platformDeinit */
		28
		29
		30	char __PHYSFS_platformCalcBaseDir(const char argv0)
		31	{
		32	@autoreleasepool
		33	{
		34	NSString *path = [[NSBundle mainBundle] bundlePath];
		35	BAIL_IF(!path, PHYSFS_ERR_OS_ERROR, NULL);
		36	size_t len = [path lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
		37	char retval = (char ) allocator.Malloc(len + 2);
		38	BAIL_IF(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
		39	[path getCString:retval maxLength:len+1 encoding:NSUTF8StringEncoding];
		40	retval[len] = '/';
		41	retval[len+1] = '\0';
		42	return retval; /* whew. */
		43	} /* @autoreleasepool */
		44	} /* __PHYSFS_platformCalcBaseDir */
		45
		46
		47	char __PHYSFS_platformCalcPrefDir(const char org, const char *app)
		48	{
		49	@autoreleasepool
		50	{
		51	NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, TRUE);
		52	BAIL_IF(!paths, PHYSFS_ERR_OS_ERROR, NULL);
		53	NSString path = (NSString ) [paths objectAtIndex:0];
		54	BAIL_IF(!path, PHYSFS_ERR_OS_ERROR, NULL);
		55	size_t len = [path lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
		56	const size_t applen = strlen(app);
		57	char retval = (char ) allocator.Malloc(len + applen + 3);
		58	BAIL_IF(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
		59	[path getCString:retval maxLength:len+1 encoding:NSUTF8StringEncoding];
		60	snprintf(retval + len, applen + 3, "/%s/", app);
		61	return retval; /* whew. */
		62	} /* @autoreleasepool */
		63	} /* __PHYSFS_platformCalcPrefDir */
		64
		65
		66	/* CD-ROM detection code... */
		67
		68	/*
		69	* Code based on sample from Apple Developer Connection:
		70	* https://developer.apple.com/samplecode/Sample_Code/Devices_and_Hardware/Disks/VolumeToBSDNode/VolumeToBSDNode.c.htm
		71	*/
		72
		73	#if !defined(PHYSFS_NO_CDROM_SUPPORT)
		74
		75	#include <IOKit/IOKitLib.h>
		76	#include <IOKit/storage/IOMedia.h>
		77	#include <IOKit/storage/IOCDMedia.h>
		78	#include <IOKit/storage/IODVDMedia.h>
		79	#include <sys/mount.h>
		80
		81	static int darwinIsWholeMedia(io_service_t service)
		82	{
		83	int retval = 0;
		84	CFTypeRef wholeMedia;
		85
		86	if (!IOObjectConformsTo(service, kIOMediaClass))
		87	return 0;
		88
		89	wholeMedia = IORegistryEntryCreateCFProperty(service,
		90	CFSTR(kIOMediaWholeKey),
		91	NULL, 0);
		92	if (wholeMedia == NULL)
		93	return 0;
		94
		95	retval = CFBooleanGetValue(wholeMedia);
		96	CFRelease(wholeMedia);
		97
		98	return retval;
		99	} /* darwinIsWholeMedia */
		100
		101
		102	static int darwinIsMountedDisc(char *bsdName, mach_port_t masterPort)
		103	{
		104	int retval = 0;
		105	CFMutableDictionaryRef matchingDict;
		106	kern_return_t rc;
		107	io_iterator_t iter;
		108	io_service_t service;
		109
		110	if ((matchingDict = IOBSDNameMatching(masterPort, 0, bsdName)) == NULL)
		111	return 0;
		112
		113	rc = IOServiceGetMatchingServices(masterPort, matchingDict, &iter);
		114	if ((rc != KERN_SUCCESS) \|\| (!iter))
		115	return 0;
		116
		117	service = IOIteratorNext(iter);
		118	IOObjectRelease(iter);
		119	if (!service)
		120	return 0;
		121
		122	rc = IORegistryEntryCreateIterator(service, kIOServicePlane,
		123	kIORegistryIterateRecursively \| kIORegistryIterateParents, &iter);
		124
		125	if (!iter)
		126	return 0;
		127
		128	if (rc != KERN_SUCCESS)
		129	{
		130	IOObjectRelease(iter);
		131	return 0;
		132	} /* if */
		133
		134	IOObjectRetain(service); /* add an extra object reference... */
		135
		136	do
		137	{
		138	if (darwinIsWholeMedia(service))
		139	{
		140	if ( (IOObjectConformsTo(service, kIOCDMediaClass)) \|\|
		141	(IOObjectConformsTo(service, kIODVDMediaClass)) )
		142	{
		143	retval = 1;
		144	} /* if */
		145	} /* if */
		146	IOObjectRelease(service);
		147	} while ((service = IOIteratorNext(iter)) && (!retval));
		148
		149	IOObjectRelease(iter);
		150	IOObjectRelease(service);
		151
		152	return retval;
		153	} /* darwinIsMountedDisc */
		154
		155	#endif /* !defined(PHYSFS_NO_CDROM_SUPPORT) */
		156
		157
		158	void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data)
		159	{
		160	#if !defined(PHYSFS_NO_CDROM_SUPPORT)
		161	const char *devPrefix = "/dev/";
		162	const int prefixLen = strlen(devPrefix);
		163	mach_port_t masterPort = 0;
		164	struct statfs *mntbufp;
		165	int i, mounts;
		166
		167	if (IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS)
		168	BAIL(PHYSFS_ERR_OS_ERROR, ) /return void/;
		169
		170	mounts = getmntinfo(&mntbufp, MNT_WAIT); /* NOT THREAD SAFE! */
		171	for (i = 0; i < mounts; i++)
		172	{
		173	char *dev = mntbufp[i].f_mntfromname;
		174	char *mnt = mntbufp[i].f_mntonname;
		175	if (strncmp(dev, devPrefix, prefixLen) != 0) /* a virtual device? */
		176	continue;
		177
		178	dev += prefixLen;
		179	if (darwinIsMountedDisc(dev, masterPort))
		180	cb(data, mnt);
		181	} /* for */
		182	#endif /* !defined(PHYSFS_NO_CDROM_SUPPORT) */
		183	} /* __PHYSFS_platformDetectAvailableCDs */
		184
		185	#endif /* PHYSFS_PLATFORM_APPLE */
		186
		187	/* end of physfs_platform_apple.m ... */
		188

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