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CFBundle_Resources.c
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/*
* Copyright (c) 2012 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/* CFBundle_Resources.c
Copyright (c) 1999-2012, Apple Inc. All rights reserved.
Responsibility: Tony Parker
*/
#define READ_DIRECTORIES_CACHE_CAPACITY 128
#include "CFBundle_Internal.h"
#include <CoreFoundation/CFURLAccess.h>
#include <CoreFoundation/CFPropertyList.h>
#include <CoreFoundation/CFByteOrder.h>
#include <CoreFoundation/CFNumber.h>
#include <CoreFoundation/CFLocale.h>
#include <CoreFoundation/CFPreferences.h>
#include <string.h>
#include "CFInternal.h"
#include <CoreFoundation/CFPriv.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <sys/types.h>
#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI || DEPLOYMENT_TARGET_LINUX
#include <unistd.h>
#include <sys/sysctl.h>
#include <sys/stat.h>
#include <dirent.h>
#endif
#if DEPLOYMENT_TARGET_MACOSX
#endif
#if DEPLOYMENT_TARGET_WINDOWS
#include <io.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <errno.h>
#define close _close
#define write _write
#define read _read
#define open _NS_open
#define stat _NS_stat
#define fstat _fstat
#define mkdir(a,b) _NS_mkdir(a)
#define rmdir _NS_rmdir
#define unlink _NS_unlink
#endif
CF_EXPORT bool CFDictionaryGetKeyIfPresent(CFDictionaryRef dict, const void *key, const void **actualkey);
extern void _CFStrSetDesiredCapacity(CFMutableStringRef str, CFIndex len);
static inline Boolean _CFBundleSortedArrayContains(CFArrayRef arr, CFStringRef target) {
CFRange arrRange = CFRangeMake(0, CFArrayGetCount(arr));
CFIndex itemIdx = CFArrayBSearchValues(arr, arrRange, target, (CFComparatorFunction)CFStringCompare, NULL);
return itemIdx < arrRange.length && CFEqual(CFArrayGetValueAtIndex(arr, itemIdx), target);
}
// The following strings are initialized 'later' (i.e., not at static initialization time) because static init time is too early for CFSTR to work, on platforms without constant CF strings
#if !__CONSTANT_STRINGS__
#define _CFBundleNumberOfPlatforms 7
static CFStringRef _CFBundleSupportedPlatforms[_CFBundleNumberOfPlatforms] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL };
static const char *_CFBundleSupportedPlatformStrings[_CFBundleNumberOfPlatforms] = { "iphoneos", "macos", "windows", "linux", "freebsd", "solaris", "hpux" };
#define _CFBundleNumberOfProducts 3
static CFStringRef _CFBundleSupportedProducts[_CFBundleNumberOfProducts] = { NULL, NULL, NULL };
static const char *_CFBundleSupportedProductStrings[_CFBundleNumberOfProducts] = { "iphone", "ipod", "ipad" };
#define _CFBundleNumberOfiPhoneOSPlatformProducts 3
static CFStringRef _CFBundleSupportediPhoneOSPlatformProducts[_CFBundleNumberOfiPhoneOSPlatformProducts] = { NULL, NULL, NULL };
static const char *_CFBundleSupportediPhoneOSPlatformProductStrings[_CFBundleNumberOfiPhoneOSPlatformProducts] = { "iphone", "ipod", "ipad" };
__private_extern__ void _CFBundleResourcesInitialize() {
for (unsigned int i = 0; i < _CFBundleNumberOfPlatforms; i++) _CFBundleSupportedPlatforms[i] = CFStringCreateWithCString(kCFAllocatorSystemDefault, _CFBundleSupportedPlatformStrings[i], kCFStringEncodingUTF8);
for (unsigned int i = 0; i < _CFBundleNumberOfProducts; i++) _CFBundleSupportedProducts[i] = CFStringCreateWithCString(kCFAllocatorSystemDefault, _CFBundleSupportedProductStrings[i], kCFStringEncodingUTF8);
for (unsigned int i = 0; i < _CFBundleNumberOfiPhoneOSPlatformProducts; i++) _CFBundleSupportediPhoneOSPlatformProducts[i] = CFStringCreateWithCString(kCFAllocatorSystemDefault, _CFBundleSupportediPhoneOSPlatformProductStrings[i], kCFStringEncodingUTF8);
}
#else
#if DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI
// On iOS, we only support one platform
#define _CFBundleNumberOfPlatforms 1
static CFStringRef _CFBundleSupportedPlatforms[_CFBundleNumberOfPlatforms] = { CFSTR("iphoneos") };
#else
// On other platforms, we support the following platforms
#define _CFBundleNumberOfPlatforms 7
static CFStringRef _CFBundleSupportedPlatforms[_CFBundleNumberOfPlatforms] = { CFSTR("iphoneos"), CFSTR("macos"), CFSTR("windows"), CFSTR("linux"), CFSTR("freebsd"), CFSTR("solaris"), CFSTR("hpux") };
#endif
#define _CFBundleNumberOfProducts 3
static CFStringRef _CFBundleSupportedProducts[_CFBundleNumberOfProducts] = { CFSTR("iphone"), CFSTR("ipod"), CFSTR("ipad") };
#define _CFBundleNumberOfiPhoneOSPlatformProducts 3
static CFStringRef _CFBundleSupportediPhoneOSPlatformProducts[_CFBundleNumberOfiPhoneOSPlatformProducts] = { CFSTR("iphone"), CFSTR("ipod"), CFSTR("ipad") };
__private_extern__ void _CFBundleResourcesInitialize() { }
#endif
static CFStringRef platform = NULL;
void _CFSetProductName(CFStringRef str) {
if (str) CFRetain(str);
platform = str;
// Note that the previous value is leaked, which is fine normally
// because the initial values would tend to be the constant strings
// below. That is required for thread-safety value due to the Get
// function [not being Copy]. It is also fine because people
// shouldn't be screwing around with this value casually.
}
CF_EXPORT CFStringRef _CFGetProductName(void) {
#if DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI
if (!platform) {
char buffer[256];
memset(buffer, 0, sizeof(buffer));
size_t buflen = sizeof(buffer);
int ret = sysctlbyname("hw.machine", buffer, &buflen, NULL, 0);
if (0 == ret || (-1 == ret && ENOMEM == errno)) {
if (6 <= buflen && 0 == memcmp(buffer, "iPhone", 6)) {
platform = CFSTR("iphone");
} else if (4 <= buflen && 0 == memcmp(buffer, "iPod", 4)) {
platform = CFSTR("ipod");
} else if (4 <= buflen && 0 == memcmp(buffer, "iPad", 4)) {
platform = CFSTR("ipad");
} else {
const char *env = __CFgetenv("IPHONE_SIMULATOR_DEVICE");
if (env) {
if (0 == strcmp(env, "iPhone")) {
platform = CFSTR("iphone");
} else if (0 == strcmp(env, "iPad")) {
platform = CFSTR("ipad");
} else {
// fallback, unrecognized IPHONE_SIMULATOR_DEVICE
}
} else {
// fallback, unrecognized hw.machine and no IPHONE_SIMULATOR_DEVICE
}
}
}
if (!platform) platform = CFSTR("iphone"); // fallback
}
return platform;
#endif
return CFSTR("");
}
// All new-style bundles will have these extensions.
CF_EXPORT CFStringRef _CFGetPlatformName(void) {
#if DEPLOYMENT_TARGET_MACOSX
return _CFBundleMacOSXPlatformName;
#elif DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI
return _CFBundleiPhoneOSPlatformName;
#elif DEPLOYMENT_TARGET_WINDOWS
return _CFBundleWindowsPlatformName;
#elif DEPLOYMENT_TARGET_SOLARIS
return _CFBundleSolarisPlatformName;
#elif DEPLOYMENT_TARGET_HPUX
return _CFBundleHPUXPlatformName;
#elif DEPLOYMENT_TARGET_LINUX
return _CFBundleLinuxPlatformName;
#elif DEPLOYMENT_TARGET_FREEBSD
return _CFBundleFreeBSDPlatformName;
#else
#error Unknown or unspecified DEPLOYMENT_TARGET
#endif
}
CF_EXPORT CFStringRef _CFGetAlternatePlatformName(void) {
#if DEPLOYMENT_TARGET_MACOSX
return _CFBundleAlternateMacOSXPlatformName;
#elif DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI
return _CFBundleMacOSXPlatformName;
#elif DEPLOYMENT_TARGET_WINDOWS
return CFSTR("");
#else
#error Unknown or unspecified DEPLOYMENT_TARGET
#endif
}
static UniChar *_AppSupportUniChars1 = NULL;
static CFIndex _AppSupportLen1 = 0;
static UniChar *_AppSupportUniChars2 = NULL;
static CFIndex _AppSupportLen2 = 0;
static UniChar *_ResourcesUniChars = NULL;
static CFIndex _ResourcesLen = 0;
static UniChar *_PlatformUniChars = NULL;
static CFIndex _PlatformLen = 0;
static UniChar *_AlternatePlatformUniChars = NULL;
static CFIndex _AlternatePlatformLen = 0;
static UniChar *_LprojUniChars = NULL;
static CFIndex _LprojLen = 0;
static UniChar *_BaseUniChars = NULL;
static CFIndex _BaseLen;
static UniChar *_GlobalResourcesUniChars = NULL;
static CFIndex _GlobalResourcesLen = 0;
static UniChar *_InfoExtensionUniChars = NULL;
static CFIndex _InfoExtensionLen = 0;
#if 0
static UniChar _ResourceSuffix3[32];
static CFIndex _ResourceSuffix3Len = 0;
#endif
static UniChar _ResourceSuffix2[16];
static CFIndex _ResourceSuffix2Len = 0;
static UniChar _ResourceSuffix1[16];
static CFIndex _ResourceSuffix1Len = 0;
static void _CFBundleInitStaticUniCharBuffers(void) {
CFStringRef appSupportStr1 = _CFBundleSupportFilesDirectoryName1;
CFStringRef appSupportStr2 = _CFBundleSupportFilesDirectoryName2;
CFStringRef resourcesStr = _CFBundleResourcesDirectoryName;
CFStringRef platformStr = _CFGetPlatformName();
CFStringRef alternatePlatformStr = _CFGetAlternatePlatformName();
CFStringRef lprojStr = _CFBundleLprojExtension;
CFStringRef globalResourcesStr = _CFBundleNonLocalizedResourcesDirectoryName;
CFStringRef infoExtensionStr = _CFBundleInfoExtension;
CFStringRef baseStr = _CFBundleBaseDirectory;
_AppSupportLen1 = CFStringGetLength(appSupportStr1);
_AppSupportLen2 = CFStringGetLength(appSupportStr2);
_ResourcesLen = CFStringGetLength(resourcesStr);
_PlatformLen = CFStringGetLength(platformStr);
_AlternatePlatformLen = CFStringGetLength(alternatePlatformStr);
_LprojLen = CFStringGetLength(lprojStr);
_GlobalResourcesLen = CFStringGetLength(globalResourcesStr);
_InfoExtensionLen = CFStringGetLength(infoExtensionStr);
_BaseLen = CFStringGetLength(baseStr);
_AppSupportUniChars1 = (UniChar *)CFAllocatorAllocate(kCFAllocatorSystemDefault, sizeof(UniChar) * (_AppSupportLen1 + _AppSupportLen2 + _ResourcesLen + _PlatformLen + _AlternatePlatformLen + _LprojLen + _GlobalResourcesLen + _InfoExtensionLen + _BaseLen), 0);
_AppSupportUniChars2 = _AppSupportUniChars1 + _AppSupportLen1;
_ResourcesUniChars = _AppSupportUniChars2 + _AppSupportLen2;
_PlatformUniChars = _ResourcesUniChars + _ResourcesLen;
_AlternatePlatformUniChars = _PlatformUniChars + _PlatformLen;
_LprojUniChars = _AlternatePlatformUniChars + _AlternatePlatformLen;
_GlobalResourcesUniChars = _LprojUniChars + _LprojLen;
_InfoExtensionUniChars = _GlobalResourcesUniChars + _GlobalResourcesLen;
_BaseUniChars = _InfoExtensionUniChars + _InfoExtensionLen;
if (_AppSupportLen1 > 0) CFStringGetCharacters(appSupportStr1, CFRangeMake(0, _AppSupportLen1), _AppSupportUniChars1);
if (_AppSupportLen2 > 0) CFStringGetCharacters(appSupportStr2, CFRangeMake(0, _AppSupportLen2), _AppSupportUniChars2);
if (_ResourcesLen > 0) CFStringGetCharacters(resourcesStr, CFRangeMake(0, _ResourcesLen), _ResourcesUniChars);
if (_PlatformLen > 0) CFStringGetCharacters(platformStr, CFRangeMake(0, _PlatformLen), _PlatformUniChars);
if (_AlternatePlatformLen > 0) CFStringGetCharacters(alternatePlatformStr, CFRangeMake(0, _AlternatePlatformLen), _AlternatePlatformUniChars);
if (_LprojLen > 0) CFStringGetCharacters(lprojStr, CFRangeMake(0, _LprojLen), _LprojUniChars);
if (_GlobalResourcesLen > 0) CFStringGetCharacters(globalResourcesStr, CFRangeMake(0, _GlobalResourcesLen), _GlobalResourcesUniChars);
if (_InfoExtensionLen > 0) CFStringGetCharacters(infoExtensionStr, CFRangeMake(0, _InfoExtensionLen), _InfoExtensionUniChars);
if (_BaseLen > 0) CFStringGetCharacters(baseStr, CFRangeMake(0, _BaseLen), _BaseUniChars);
_ResourceSuffix1Len = CFStringGetLength(platformStr);
if (_ResourceSuffix1Len > 0) _ResourceSuffix1[0] = '-';
if (_ResourceSuffix1Len > 0) CFStringGetCharacters(platformStr, CFRangeMake(0, _ResourceSuffix1Len), _ResourceSuffix1 + 1);
if (_ResourceSuffix1Len > 0) _ResourceSuffix1Len++;
CFStringRef productStr = _CFGetProductName();
if (CFEqual(productStr, CFSTR("ipod"))) { // For now, for resource lookups, hide ipod distinction and make it look for iphone resources
productStr = CFSTR("iphone");
}
_ResourceSuffix2Len = CFStringGetLength(productStr);
if (_ResourceSuffix2Len > 0) _ResourceSuffix2[0] = '~';
if (_ResourceSuffix2Len > 0) CFStringGetCharacters(productStr, CFRangeMake(0, _ResourceSuffix2Len), _ResourceSuffix2 + 1);
if (_ResourceSuffix2Len > 0) _ResourceSuffix2Len++;
#if 0
if (_ResourceSuffix1Len > 1 && _ResourceSuffix2Len > 1) {
_ResourceSuffix3Len = _ResourceSuffix1Len + _ResourceSuffix2Len;
memmove(_ResourceSuffix3, _ResourceSuffix1, sizeof(UniChar) * _ResourceSuffix1Len);
memmove(_ResourceSuffix3 + _ResourceSuffix1Len, _ResourceSuffix2, sizeof(UniChar) * _ResourceSuffix2Len);
}
#endif
}
CF_INLINE void _CFEnsureStaticBuffersInited(void) {
static dispatch_once_t once = 0;
dispatch_once(&once, ^{
_CFBundleInitStaticUniCharBuffers();
});
}
static CFSpinLock_t _cacheLock = CFSpinLockInit;
static CFMutableDictionaryRef _contentsCache = NULL;
static CFMutableDictionaryRef _directoryContentsCache = NULL;
static CFMutableDictionaryRef _unknownContentsCache = NULL;
typedef enum {
_CFBundleAllContents = 0,
_CFBundleDirectoryContents = 1,
_CFBundleUnknownContents = 2
} _CFBundleDirectoryContentsType;
extern void _CFArraySortValues(CFMutableArrayRef array, CFComparatorFunction comparator, void *context);
static CFArrayRef _CFBundleCopySortedDirectoryContentsAtPath(CFStringRef path, _CFBundleDirectoryContentsType contentsType) {
CFArrayRef result = NULL;
if (!path) {
// Return an empty result. It's mutable because the other arrays returned from this function are mutable, so may as well go for maximum compatibility.
result = CFArrayCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeArrayCallBacks);
return result;
}
__CFSpinLock(&_cacheLock);
if (contentsType == _CFBundleUnknownContents) {
if (_unknownContentsCache) result = (CFMutableArrayRef)CFDictionaryGetValue(_unknownContentsCache, path);
} else if (contentsType == _CFBundleDirectoryContents) {
if (_directoryContentsCache) result = (CFMutableArrayRef)CFDictionaryGetValue(_directoryContentsCache, path);
} else {
if (_contentsCache) result = (CFMutableArrayRef)CFDictionaryGetValue(_contentsCache, path);
}
if (result) CFRetain(result);
__CFSpinUnlock(&_cacheLock);
if (!result) {
Boolean tryToOpen = false, allDots = true;
char cpathBuff[CFMaxPathSize];
CFIndex cpathLen = 0, idx, lastSlashIdx = 0;
CFMutableArrayRef contents = CFArrayCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeArrayCallBacks), directoryContents = CFArrayCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeArrayCallBacks), unknownContents = CFArrayCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeArrayCallBacks);
CFStringRef dirName, name;
cpathBuff[0] = '\0';
if (CFStringGetFileSystemRepresentation(path, cpathBuff, CFMaxPathSize)) {
tryToOpen = true;
cpathLen = strlen(cpathBuff);
// First see whether we already know that the directory doesn't exist
for (idx = cpathLen; lastSlashIdx == 0 && idx-- > 0;) {
if (cpathBuff[idx] == PATH_SEP) lastSlashIdx = idx;
else if (cpathBuff[idx] != '.') allDots = false;
}
if (lastSlashIdx > 0 && lastSlashIdx + 1 < cpathLen && !allDots) {
cpathBuff[lastSlashIdx] = '\0';
dirName = CFStringCreateWithFileSystemRepresentation(kCFAllocatorSystemDefault, cpathBuff);
if (dirName) {
name = CFStringCreateWithFileSystemRepresentation(kCFAllocatorSystemDefault, cpathBuff + lastSlashIdx + 1);
if (name) {
// ??? we might like to use _directoryContentsCache rather than _contentsCache here, but we cannot unless we resolve DT_LNKs below
CFArrayRef dirDirContents = NULL;
__CFSpinLock(&_cacheLock);
if (_contentsCache) dirDirContents = (CFArrayRef)CFDictionaryGetValue(_contentsCache, dirName);
if (dirDirContents) {
Boolean foundIt = false;
CFIndex dirDirIdx, dirDirLength = CFArrayGetCount(dirDirContents);
for (dirDirIdx = 0; !foundIt && dirDirIdx < dirDirLength; dirDirIdx++) if (kCFCompareEqualTo == CFStringCompare(name, (CFStringRef)CFArrayGetValueAtIndex(dirDirContents, dirDirIdx), kCFCompareCaseInsensitive)) foundIt = true;
if (!foundIt) tryToOpen = false;
}
__CFSpinUnlock(&_cacheLock);
CFRelease(name);
}
CFRelease(dirName);
}
cpathBuff[lastSlashIdx] = PATH_SEP;
}
}
#if DEPLOYMENT_TARGET_WINDOWS
// Make sure there is room for the additional space we need in the win32 api
if (tryToOpen && cpathLen + 2 < CFMaxPathSize) {
WIN32_FIND_DATAW file;
HANDLE handle;
cpathBuff[cpathLen++] = '\\';
cpathBuff[cpathLen++] = '*';
cpathBuff[cpathLen] = '\0';
// Convert UTF8 buffer to windows appropriate UTF-16LE
// Get the real length of the string in UTF16 characters
CFStringRef cfStr = CFStringCreateWithCString(kCFAllocatorSystemDefault, cpathBuff, kCFStringEncodingUTF8);
cpathLen = CFStringGetLength(cfStr);
// Allocate a wide buffer to hold the converted string, including space for a NULL terminator
wchar_t *wideBuf = (wchar_t *)malloc((cpathLen + 1) * sizeof(wchar_t));
// Copy the string into the buffer and terminate
CFStringGetCharacters(cfStr, CFRangeMake(0, cpathLen), (UniChar *)wideBuf);
wideBuf[cpathLen] = 0;
CFRelease(cfStr);
handle = FindFirstFileW(wideBuf, (LPWIN32_FIND_DATAW)&file);
if (handle != INVALID_HANDLE_VALUE) {
do {
CFIndex nameLen = wcslen(file.cFileName);
if (0 == nameLen || ('.' == file.cFileName[0] && (1 == nameLen || (2 == nameLen && '.' == file.cFileName[1]) || '_' == file.cFileName[1]))) continue;
name = CFStringCreateWithBytes(kCFAllocatorSystemDefault, (const uint8_t *)file.cFileName, nameLen * sizeof(wchar_t), kCFStringEncodingUTF16, NO);
if (name) {
CFArrayAppendValue(contents, name);
if (file.dwFileAttributes == FILE_ATTRIBUTE_DIRECTORY) {
CFArrayAppendValue(directoryContents, name);
} /* else if (file.dwFileAttributes == DT_UNKNOWN) {
CFArrayAppendValue(unknownContents, name);
} */
CFRelease(name);
}
} while (FindNextFileW(handle, &file));
FindClose(handle);
}
free(wideBuf);
}
#else
DIR *dirp = NULL;
struct dirent *dent;
if (tryToOpen && (dirp = opendir(cpathBuff))) {
while ((dent = readdir(dirp))) {
CFIndex nameLen = dent->d_namlen;
if (0 == nameLen || 0 == dent->d_fileno || ('.' == dent->d_name[0] && (1 == nameLen || (2 == nameLen && '.' == dent->d_name[1]) || '_' == dent->d_name[1]))) continue;
name = CFStringCreateWithFileSystemRepresentation(kCFAllocatorSystemDefault, dent->d_name);
if (name) {
// ??? should we follow links for DT_LNK? unless we do, results are approximate, but for performance reasons we do not
// ??? likewise for DT_UNKNOWN
// ??? the utility of distinguishing directories from other contents is somewhat doubtful anyway
CFArrayAppendValue(contents, name);
if (dent->d_type == DT_DIR) {
CFArrayAppendValue(directoryContents, name);
} else if (dent->d_type == DT_UNKNOWN) {
CFArrayAppendValue(unknownContents, name);
}
CFRelease(name);
}
}
(void)closedir(dirp);
}
#endif
_CFArraySortValues(contents, (CFComparatorFunction)CFStringCompare, NULL);
_CFArraySortValues(directoryContents, (CFComparatorFunction)CFStringCompare, NULL);
_CFArraySortValues(unknownContents, (CFComparatorFunction)CFStringCompare, NULL);
__CFSpinLock(&_cacheLock);
if (!_contentsCache) _contentsCache = CFDictionaryCreateMutable(kCFAllocatorSystemDefault, READ_DIRECTORIES_CACHE_CAPACITY, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
if (READ_DIRECTORIES_CACHE_CAPACITY <= CFDictionaryGetCount(_contentsCache)) CFDictionaryRemoveAllValues(_contentsCache);
CFDictionaryAddValue(_contentsCache, path, contents);
if (!_directoryContentsCache) _directoryContentsCache = CFDictionaryCreateMutable(kCFAllocatorSystemDefault, READ_DIRECTORIES_CACHE_CAPACITY, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
if (READ_DIRECTORIES_CACHE_CAPACITY <= CFDictionaryGetCount(_directoryContentsCache)) CFDictionaryRemoveAllValues(_directoryContentsCache);
CFDictionaryAddValue(_directoryContentsCache, path, directoryContents);
if (!_unknownContentsCache) _unknownContentsCache = CFDictionaryCreateMutable(kCFAllocatorSystemDefault, READ_DIRECTORIES_CACHE_CAPACITY, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
if (READ_DIRECTORIES_CACHE_CAPACITY <= CFDictionaryGetCount(_unknownContentsCache)) CFDictionaryRemoveAllValues(_unknownContentsCache);
CFDictionaryAddValue(_unknownContentsCache, path, unknownContents);
if (contentsType == _CFBundleUnknownContents) {
result = (CFArrayRef)CFRetain(unknownContents);
} else if (contentsType == _CFBundleDirectoryContents) {
result = (CFArrayRef)CFRetain(directoryContents);
} else {
result = (CFArrayRef)CFRetain(contents);
}
CFRelease(contents);
CFRelease(directoryContents);
CFRelease(unknownContents);
__CFSpinUnlock(&_cacheLock);
}
return result;
}
static void _CFBundleFlushContentsCaches(void) {
__CFSpinLock(&_cacheLock);
if (_contentsCache) CFDictionaryRemoveAllValues(_contentsCache);
if (_directoryContentsCache) CFDictionaryRemoveAllValues(_directoryContentsCache);
if (_unknownContentsCache) CFDictionaryRemoveAllValues(_unknownContentsCache);
__CFSpinUnlock(&_cacheLock);
}
static void _CFBundleFlushContentsCacheForPath(CFMutableDictionaryRef cache, CFStringRef path) {
CFStringRef keys[READ_DIRECTORIES_CACHE_CAPACITY];
unsigned i, count = CFDictionaryGetCount(cache);
if (count <= READ_DIRECTORIES_CACHE_CAPACITY) {
CFDictionaryGetKeysAndValues(cache, (const void **)keys, NULL);
for (i = 0; i < count; i++) {
if (CFStringFindWithOptions(keys[i], path, CFRangeMake(0, CFStringGetLength(keys[i])), kCFCompareAnchored|kCFCompareCaseInsensitive, NULL)) CFDictionaryRemoveValue(cache, keys[i]);
}
}
}
static void _CFBundleFlushContentsCachesForPath(CFStringRef path) {
__CFSpinLock(&_cacheLock);
if (_contentsCache) _CFBundleFlushContentsCacheForPath(_contentsCache, path);
if (_directoryContentsCache) _CFBundleFlushContentsCacheForPath(_directoryContentsCache, path);
if (_unknownContentsCache) _CFBundleFlushContentsCacheForPath(_unknownContentsCache, path);
__CFSpinUnlock(&_cacheLock);
}
CF_EXPORT void _CFBundleFlushCachesForURL(CFURLRef url) {
CFURLRef absoluteURL = CFURLCopyAbsoluteURL(url);
CFStringRef path = CFURLCopyFileSystemPath(absoluteURL, PLATFORM_PATH_STYLE);
_CFBundleFlushContentsCachesForPath(path);
CFRelease(path);
CFRelease(absoluteURL);
}
CF_EXPORT void _CFBundleFlushCaches(void) {
_CFBundleFlushContentsCaches();
}
static inline Boolean _CFIsResourceCommon(char *path, Boolean *isDir) {
Boolean exists;
SInt32 mode;
if (_CFGetPathProperties(kCFAllocatorSystemDefault, path, &exists, &mode, NULL, NULL, NULL, NULL) == 0) {
if (isDir) *isDir = ((exists && ((mode & S_IFMT) == S_IFDIR)) ? true : false);
return (exists && (mode & 0444));
}
return false;
}
__private_extern__ Boolean _CFIsResourceAtURL(CFURLRef url, Boolean *isDir) {
char path[CFMaxPathSize];
if (!CFURLGetFileSystemRepresentation(url, true, (uint8_t *)path, CFMaxPathLength)) return false;
return _CFIsResourceCommon(path, isDir);
}
__private_extern__ Boolean _CFIsResourceAtPath(CFStringRef path, Boolean *isDir) {
char pathBuf[CFMaxPathSize];
if (!CFStringGetFileSystemRepresentation(path, pathBuf, CFMaxPathSize)) return false;
return _CFIsResourceCommon(pathBuf, isDir);
}
__private_extern__ void _CFBundleSetResourceDir(UniChar *buffer, CFIndex *currLen, CFIndex maxLen, uint8_t version){
if (1 == version) {
_CFAppendPathComponent(buffer, currLen, maxLen, _AppSupportUniChars1, _AppSupportLen1);
} else if (2 == version) {
_CFAppendPathComponent(buffer, currLen, maxLen, _AppSupportUniChars2, _AppSupportLen2);
}
if (0 == version || 1 == version || 2 == version) _CFAppendPathComponent(buffer, currLen, maxLen, _ResourcesUniChars, _ResourcesLen);
}
static CFArrayRef _CFCopyTypesForSearchBundleDirectory(CFAllocatorRef alloc, UniChar *pathUniChars, CFIndex pathLen, UniChar *nameUniChars, CFIndex nameLen, CFArrayRef resTypes, CFMutableStringRef cheapStr, CFMutableStringRef tmpString, uint8_t version) {
CFMutableArrayRef result = CFArrayCreateMutable(alloc, 0, &kCFTypeArrayCallBacks);
CFArrayRef contents;
CFRange contentsRange, resultRange = CFRangeMake(0, 0);
CFIndex dirPathLen = pathLen, numResTypes = CFArrayGetCount(resTypes), i, j;
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, dirPathLen, dirPathLen);
CFStringReplaceAll(cheapStr, tmpString);
//fprintf(stderr, "looking in ");CFShow(cheapStr);
contents = _CFBundleCopySortedDirectoryContentsAtPath(cheapStr, _CFBundleAllContents);
contentsRange = CFRangeMake(0, CFArrayGetCount(contents));
CFStringSetExternalCharactersNoCopy(tmpString, nameUniChars, nameLen, nameLen);
CFStringReplaceAll(cheapStr, tmpString);
for (i = 0; i < contentsRange.length; i++) {
CFStringRef content = (CFStringRef)CFArrayGetValueAtIndex(contents, i);
if (CFStringHasPrefix(content, cheapStr)) {
//fprintf(stderr, "found ");CFShow(content);
for (j = 0; j < numResTypes; j++) {
CFStringRef resType = (CFStringRef)CFArrayGetValueAtIndex(resTypes, j);
if (!CFArrayContainsValue(result, resultRange, resType) && CFStringHasSuffix(content, resType)) {
CFArrayAppendValue(result, resType);
resultRange.length = CFArrayGetCount(result);
}
}
}
}
//fprintf(stderr, "result ");CFShow(result);
CFRelease(contents);
return result;
}
#if DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI
static void _CFSearchBundleDirectory2(CFAllocatorRef alloc, CFMutableArrayRef result, UniChar *pathUniChars, CFIndex pathLen, UniChar *nameUniChars, CFIndex nameLen, UniChar *typeUniChars, CFIndex typeLen, CFMutableStringRef cheapStr, CFMutableStringRef tmpString, uint8_t version) {
// pathUniChars is the full path to the directory we are searching.
// nameUniChars is what we are looking for.
// typeUniChars is the type we are looking for.
// platformUniChars is the platform name.
// cheapStr is available for our use for whatever we want.
// URLs for found resources get added to result.
Boolean appendSucceeded = true;
if (nameLen > 0) appendSucceeded = _CFAppendPathComponent(pathUniChars, &pathLen, CFMaxPathSize, nameUniChars, nameLen);
if (! appendSucceeded) return;
CFIndex savedPathLen = pathLen;
// Try in order:
// NAME-PLATFORM~PRODUCT.TYPE (disabled for now)
// NAME~PRODUCT.TYPE
// NAME-PLATFORM.TYPE (disabled for now)
// NAME.TYPE
#if 0
appendSucceeded = (pathLen + _ResourceSuffix3Len < CFMaxPathSize);
if (appendSucceeded) {
memmove(pathUniChars + pathLen, _ResourceSuffix3, _ResourceSuffix3Len * sizeof(UniChar));
pathLen += _ResourceSuffix3Len;
}
if (appendSucceeded && typeLen > 0) appendSucceeded = _CFAppendPathExtension(pathUniChars, &pathLen, CFMaxPathSize, typeUniChars, typeLen);
if (appendSucceeded) {
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, pathLen, pathLen);
CFStringReplaceAll(cheapStr, tmpString);
Boolean Found = false, IsDir = false;
Found = _CFIsResourceAtPath(cheapStr, &IsDir);
if (Found) {
CFURLRef url = CFURLCreateWithFileSystemPath(alloc, cheapStr, PLATFORM_PATH_STYLE, IsDir);
CFArrayAppendValue(result, url);
CFRelease(url);
return;
}
}
#endif
pathLen = savedPathLen;
appendSucceeded = (pathLen + _ResourceSuffix2Len < CFMaxPathSize);
if (appendSucceeded) {
memmove(pathUniChars + pathLen, _ResourceSuffix2, _ResourceSuffix2Len * sizeof(UniChar));
pathLen += _ResourceSuffix2Len;
}
if (appendSucceeded && typeLen > 0) appendSucceeded = _CFAppendPathExtension(pathUniChars, &pathLen, CFMaxPathSize, typeUniChars, typeLen);
if (appendSucceeded) {
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, pathLen, pathLen);
CFStringReplaceAll(cheapStr, tmpString);
Boolean Found = false, IsDir = false;
Found = _CFIsResourceAtPath(cheapStr, &IsDir);
if (Found) {
CFURLRef url = CFURLCreateWithFileSystemPath(alloc, cheapStr, PLATFORM_PATH_STYLE, IsDir);
CFArrayAppendValue(result, url);
CFRelease(url);
return;
}
}
#if 0
pathLen = savedPathLen;
appendSucceeded = (pathLen + _ResourceSuffix1Len < CFMaxPathSize);
if (appendSucceeded) {
memmove(pathUniChars + pathLen, _ResourceSuffix1, _ResourceSuffix1Len * sizeof(UniChar));
pathLen += _ResourceSuffix1Len;
}
if (appendSucceeded && typeLen > 0) appendSucceeded = _CFAppendPathExtension(pathUniChars, &pathLen, CFMaxPathSize, typeUniChars, typeLen);
if (appendSucceeded) {
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, pathLen, pathLen);
CFStringReplaceAll(cheapStr, tmpString);
Boolean Found = false, IsDir = false;
Found = _CFIsResourceAtPath(cheapStr, &IsDir);
if (Found) {
CFURLRef url = CFURLCreateWithFileSystemPath(alloc, cheapStr, PLATFORM_PATH_STYLE, IsDir);
CFArrayAppendValue(result, url);
CFRelease(url);
return;
}
}
#endif
pathLen = savedPathLen;
appendSucceeded = true;
if (appendSucceeded && typeLen > 0) appendSucceeded = _CFAppendPathExtension(pathUniChars, &pathLen, CFMaxPathSize, typeUniChars, typeLen);
if (appendSucceeded) {
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, pathLen, pathLen);
CFStringReplaceAll(cheapStr, tmpString);
Boolean Found = false, IsDir = false;
Found = _CFIsResourceAtPath(cheapStr, &IsDir);
if (Found) {
CFURLRef url = CFURLCreateWithFileSystemPath(alloc, cheapStr, PLATFORM_PATH_STYLE, IsDir);
CFArrayAppendValue(result, url);
CFRelease(url);
return;
}
}
}
#endif
static void _CFSearchBundleDirectory(CFAllocatorRef alloc, CFMutableArrayRef result, UniChar *pathUniChars, CFIndex pathLen, UniChar *nameUniChars, CFIndex nameLen, UniChar *typeUniChars, CFIndex typeLen, CFMutableStringRef cheapStr, CFMutableStringRef tmpString, uint8_t version) {
#if DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI
_CFSearchBundleDirectory2(alloc, result, pathUniChars, pathLen, nameUniChars, nameLen, typeUniChars, typeLen, cheapStr, tmpString, version);
#else
// pathUniChars is the full path to the directory we are searching.
// nameUniChars is what we are looking for.
// typeUniChars is the type we are looking for.
// platformUniChars is the platform name.
// cheapStr is available for our use for whatever we want.
// URLs for found resources get added to result.
CFIndex savedPathLen;
Boolean appendSucceeded = true, platformGenericFound = false, platformSpecificFound = false, platformGenericIsDir = false, platformSpecificIsDir = false;
Boolean platformGenericIsUnknown = false, platformSpecificIsUnknown = false;
CFStringRef platformGenericStr = NULL;
CFIndex dirPathLen = pathLen;
CFArrayRef contents, directoryContents, unknownContents;
CFRange contentsRange, directoryContentsRange, unknownContentsRange;
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, dirPathLen, dirPathLen);
CFStringReplaceAll(cheapStr, tmpString);
//fprintf(stderr, "looking in ");CFShow(cheapStr);
contents = _CFBundleCopySortedDirectoryContentsAtPath(cheapStr, _CFBundleAllContents);
contentsRange = CFRangeMake(0, CFArrayGetCount(contents));
directoryContents = _CFBundleCopySortedDirectoryContentsAtPath(cheapStr, _CFBundleDirectoryContents);
directoryContentsRange = CFRangeMake(0, CFArrayGetCount(directoryContents));
unknownContents = _CFBundleCopySortedDirectoryContentsAtPath(cheapStr, _CFBundleUnknownContents);
unknownContentsRange = CFRangeMake(0, CFArrayGetCount(unknownContents));
if (nameLen > 0) appendSucceeded = _CFAppendPathComponent(pathUniChars, &pathLen, CFMaxPathSize, nameUniChars, nameLen);
savedPathLen = pathLen;
if (appendSucceeded && typeLen > 0) appendSucceeded = _CFAppendPathExtension(pathUniChars, &pathLen, CFMaxPathSize, typeUniChars, typeLen);
if (appendSucceeded) {
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars + dirPathLen + 1, pathLen - dirPathLen - 1, pathLen - dirPathLen - 1);
CFStringReplaceAll(cheapStr, tmpString);
platformGenericFound = _CFBundleSortedArrayContains(contents, cheapStr);
platformGenericIsDir = _CFBundleSortedArrayContains(directoryContents, cheapStr);
platformGenericIsUnknown = _CFBundleSortedArrayContains(unknownContents, cheapStr);
//fprintf(stderr, "looking for ");CFShow(cheapStr);if (platformGenericFound) fprintf(stderr, "found it\n"); if (platformGenericIsDir) fprintf(stderr, "a directory\n");
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, pathLen, pathLen);
CFStringReplaceAll(cheapStr, tmpString);
if (platformGenericFound && platformGenericIsUnknown) {
(void)_CFIsResourceAtPath(cheapStr, &platformGenericIsDir);
//if (platformGenericIsDir) fprintf(stderr, "a directory after all\n"); else fprintf(stderr, "not a directory after all\n");
}
}
// Check for platform specific.
if (platformGenericFound) {
platformGenericStr = (CFStringRef)CFStringCreateCopy(kCFAllocatorSystemDefault, cheapStr);
if (!platformSpecificFound && (_PlatformLen > 0)) {
pathLen = savedPathLen;
pathUniChars[pathLen++] = (UniChar)'-';
memmove(pathUniChars + pathLen, _PlatformUniChars, _PlatformLen * sizeof(UniChar));
pathLen += _PlatformLen;
if (appendSucceeded && typeLen > 0) appendSucceeded = _CFAppendPathExtension(pathUniChars, &pathLen, CFMaxPathSize, typeUniChars, typeLen);
if (appendSucceeded) {
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars + dirPathLen + 1, pathLen - dirPathLen - 1, pathLen - dirPathLen - 1);
CFStringReplaceAll(cheapStr, tmpString);
platformSpecificFound = _CFBundleSortedArrayContains(contents, cheapStr);
platformSpecificIsDir = _CFBundleSortedArrayContains(directoryContents, cheapStr);
platformSpecificIsUnknown = _CFBundleSortedArrayContains(unknownContents, cheapStr);
//fprintf(stderr, "looking for ");CFShow(cheapStr);if (platformSpecificFound) fprintf(stderr, "found it\n"); if (platformSpecificIsDir) fprintf(stderr, "a directory\n");
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, pathLen, pathLen);
CFStringReplaceAll(cheapStr, tmpString);
if (platformSpecificFound && platformSpecificIsUnknown) {
(void)_CFIsResourceAtPath(cheapStr, &platformSpecificIsDir);
//if (platformSpecificIsDir) fprintf(stderr, "a directory after all\n"); else fprintf(stderr, "not a directory after all\n");
}
}
}
}
if (platformSpecificFound) {
CFURLRef url = CFURLCreateWithFileSystemPath(alloc, cheapStr, PLATFORM_PATH_STYLE, platformSpecificIsDir);
CFArrayAppendValue(result, url);
CFRelease(url);
} else if (platformGenericFound) {
CFURLRef url = CFURLCreateWithFileSystemPath(alloc, platformGenericStr ? platformGenericStr : cheapStr, PLATFORM_PATH_STYLE, platformGenericIsDir);
CFArrayAppendValue(result, url);
CFRelease(url);
}
if (platformGenericStr) CFRelease(platformGenericStr);
CFRelease(contents);
CFRelease(directoryContents);
CFRelease(unknownContents);
#endif
}
static void _CFSearchBundleDirectoryWithPredicate(CFAllocatorRef alloc, CFMutableArrayRef result, UniChar *pathUniChars, CFIndex dirPathLen, Boolean (^predicate)(CFStringRef filename, Boolean *stop), CFMutableStringRef cheapStr, CFMutableStringRef tmpString, Boolean *stopLooking, uint8_t version) {
// pathUniChars is the full path to the directory we are searching.
// platformUniChars is the platform name.
// predicate is a block that evaluates a given filename to see if it's a match.
// cheapStr is available for our use for whatever we want.
// URLs for found resources get added to result.
// get the contents of the directory
CFArrayRef contents, directoryContents, unknownContents;
CFRange contentsRange;
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, dirPathLen, dirPathLen);
CFStringReplaceAll(cheapStr, tmpString);
if (!_CFAppendTrailingPathSlash(pathUniChars, &dirPathLen, CFMaxPathSize)) {
return;
}
//fprintf(stderr, "looking in ");CFShow(cheapStr);
contents = _CFBundleCopySortedDirectoryContentsAtPath(cheapStr, _CFBundleAllContents);
contentsRange = CFRangeMake(0, CFArrayGetCount(contents));
directoryContents = _CFBundleCopySortedDirectoryContentsAtPath(cheapStr, _CFBundleDirectoryContents);
unknownContents = _CFBundleCopySortedDirectoryContentsAtPath(cheapStr, _CFBundleUnknownContents);
// scan directory contents for matches against predicate
for (int i = 0; i < contentsRange.length; i++) {
CFStringRef candidateFilename = (CFStringRef)CFArrayGetValueAtIndex(contents, i);
if (predicate(candidateFilename, stopLooking)) {
// we want this resource, though possibly a platform specific version of it
// unpack candidateFilename string into pathUniChars after verifying that we have enough space in the buffer
CFIndex candidateFilenameLength = CFStringGetLength(candidateFilename);
if ((dirPathLen + candidateFilenameLength < CFMaxPathSize)) {
CFStringGetCharacters(candidateFilename, CFRangeMake(0, candidateFilenameLength), pathUniChars + dirPathLen);
// is there a platform specific version available? if so update pathUniChars to contain it and candidateFilenameLength to describe its length.
static const int platformSeparatorLen = 1; // the length of '-', as appears in foo-macos.tiff. sugar to make the following easier to read.
if (_PlatformLen && (dirPathLen + candidateFilenameLength + platformSeparatorLen + _PlatformLen < CFMaxPathSize)) {
CFIndex candidateFilenameWithoutExtensionLen = _CFLengthAfterDeletingPathExtension(pathUniChars + dirPathLen, candidateFilenameLength);
CFIndex extensionLen = candidateFilenameLength - candidateFilenameWithoutExtensionLen;
// shift the extension over to make space for the platform
memmove(pathUniChars + dirPathLen + candidateFilenameWithoutExtensionLen + platformSeparatorLen + _PlatformLen, pathUniChars + dirPathLen + candidateFilenameWithoutExtensionLen, extensionLen * sizeof(UniChar));
// write the platform into the middle of the string
pathUniChars[dirPathLen + candidateFilenameWithoutExtensionLen] = (UniChar)'-';
memcpy(pathUniChars + dirPathLen + candidateFilenameWithoutExtensionLen + platformSeparatorLen, _PlatformUniChars, _PlatformLen * sizeof(UniChar));
// pack it up as a CFStringRef
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars + dirPathLen, candidateFilenameLength + platformSeparatorLen + _PlatformLen, candidateFilenameLength + _PlatformLen);
CFStringReplaceAll(cheapStr, tmpString);
// is the platform specialized version there?
if (_CFBundleSortedArrayContains(contents, cheapStr)) {
// woo. update the candidateFilenameLength. we'll update the candidateFilename too for consistency, but we don't actually use it again.
// the pathUniChars now contains the full path to the file
candidateFilename = cheapStr;
candidateFilenameLength = candidateFilenameLength + _PlatformLen + platformSeparatorLen;
} else {
// nope, no platform specific resource. Put the pathUniChars back how they were before, without the platform.
memmove(pathUniChars + dirPathLen + candidateFilenameWithoutExtensionLen, pathUniChars + dirPathLen + candidateFilenameWithoutExtensionLen + platformSeparatorLen + _PlatformLen, extensionLen * sizeof(UniChar));
}
}
// get the full path into cheapStr
CFStringSetExternalCharactersNoCopy(tmpString, pathUniChars, dirPathLen + candidateFilenameLength, dirPathLen + candidateFilenameLength);
CFStringReplaceAll(cheapStr, tmpString);
// is the resource a directory? we need to know so that we can avoid file access when making a URL.
Boolean isDir = 0;
if (_CFBundleSortedArrayContains(directoryContents, cheapStr)) {
isDir = 1;
} else if (_CFBundleSortedArrayContains(unknownContents, cheapStr)) {
_CFIsResourceAtPath(cheapStr, &isDir);
}
CFURLRef url = CFURLCreateWithFileSystemPath(alloc, cheapStr, PLATFORM_PATH_STYLE, isDir);
CFArrayAppendValue(result, url);
CFRelease(url);
}
}
if (*stopLooking) break;
}
CFRelease(contents);
CFRelease(directoryContents);
CFRelease(unknownContents);
}
static void _CFFindBundleResourcesInRawDir(CFAllocatorRef alloc, UniChar *workingUniChars, CFIndex workingLen, UniChar *nameUniChars, CFIndex nameLen, CFArrayRef resTypes, CFIndex limit, Boolean *stopLooking, Boolean (^predicate)(CFStringRef filename, Boolean *stop), uint8_t version, CFMutableStringRef cheapStr, CFMutableStringRef tmpString, CFMutableArrayRef result) {
if (predicate) {
_CFSearchBundleDirectoryWithPredicate(alloc, result, workingUniChars, workingLen, predicate, cheapStr, tmpString, stopLooking, version);
return;
}
if (nameLen > 0) {
// If we have a resName, just call the search API. We may have to loop over the resTypes.
if (!resTypes) {
_CFSearchBundleDirectory(alloc, result, workingUniChars, workingLen, nameUniChars, nameLen, NULL, 0, cheapStr, tmpString, version);
} else {
CFArrayRef subResTypes = resTypes;
Boolean releaseSubResTypes = false;
CFIndex i, c = CFArrayGetCount(resTypes);
if (c > 2) {
// this is an optimization we employ when searching for large numbers of types, if the directory contents are available
// we scan the directory contents and restrict the list of resTypes to the types that might actually occur with the specified name
subResTypes = _CFCopyTypesForSearchBundleDirectory(alloc, workingUniChars, workingLen, nameUniChars, nameLen, resTypes, cheapStr, tmpString, version);
c = CFArrayGetCount(subResTypes);
releaseSubResTypes = true;
}
for (i = 0; i < c; i++) {
CFStringRef curType = (CFStringRef)CFArrayGetValueAtIndex(subResTypes, i);
CFIndex typeLen = CFStringGetLength(curType);
STACK_BUFFER_DECL(UniChar, typeChars, typeLen);
CFStringGetCharacters(curType, CFRangeMake(0, typeLen), typeChars);
_CFSearchBundleDirectory(alloc, result, workingUniChars, workingLen, nameUniChars, nameLen, typeChars, typeLen, cheapStr, tmpString, version);
if (limit <= CFArrayGetCount(result)) break;
}
if (releaseSubResTypes) CFRelease(subResTypes);
}
} else {
// If we have no resName, do it by hand. We may have to loop over the resTypes.
char cpathBuff[CFMaxPathSize];
CFIndex cpathLen;
CFMutableArrayRef children;
CFStringSetExternalCharactersNoCopy(tmpString, workingUniChars, workingLen, workingLen);
if (!CFStringGetFileSystemRepresentation(tmpString, cpathBuff, CFMaxPathSize)) return;
cpathLen = strlen(cpathBuff);
if (!resTypes) {
// ??? should this use _CFBundleCopyDirectoryContentsAtPath?
children = _CFContentsOfDirectory(alloc, cpathBuff, NULL, NULL, NULL);
if (children) {
CFIndex childIndex, childCount = CFArrayGetCount(children);
for (childIndex = 0; childIndex < childCount; childIndex++) CFArrayAppendValue(result, CFArrayGetValueAtIndex(children, childIndex));
CFRelease(children);
}
} else {
CFIndex i, c = CFArrayGetCount(resTypes);
for (i = 0; i < c; i++) {
CFStringRef curType = (CFStringRef)CFArrayGetValueAtIndex(resTypes, i);
// ??? should this use _CFBundleCopyDirectoryContentsAtPath?
children = _CFContentsOfDirectory(alloc, cpathBuff, NULL, NULL, curType);
if (children) {
CFIndex childIndex, childCount = CFArrayGetCount(children);
for (childIndex = 0; childIndex < childCount; childIndex++) CFArrayAppendValue(result, CFArrayGetValueAtIndex(children, childIndex));
CFRelease(children);
}
if (limit <= CFArrayGetCount(result)) break;
}
}
}
}
static void _CFFindBundleResourcesInResourcesDir(CFAllocatorRef alloc, UniChar *workingUniChars, CFIndex workingLen, UniChar *subDirUniChars, CFIndex subDirLen, CFArrayRef searchLanguages, UniChar *nameUniChars, CFIndex nameLen, CFArrayRef resTypes, CFIndex limit, Boolean (^predicate)(CFStringRef filename, Boolean *stop), uint8_t version, CFMutableStringRef cheapStr, CFMutableStringRef tmpString, CFMutableArrayRef result) {
CFIndex savedWorkingLen = workingLen;
Boolean stopLooking = false; // for predicate based-queries, we set stopLooking instead of using a limit
// Look directly in the directory specified in workingUniChars. as if it is a Resources directory.
if (1 == version) {
// Add the non-localized resource directory.
Boolean appendSucceeded = _CFAppendPathComponent(workingUniChars, &workingLen, CFMaxPathSize, _GlobalResourcesUniChars, _GlobalResourcesLen);
if (appendSucceeded && subDirLen > 0) appendSucceeded = _CFAppendPathComponent(workingUniChars, &workingLen, CFMaxPathSize, subDirUniChars, subDirLen);
if (appendSucceeded) _CFFindBundleResourcesInRawDir(alloc, workingUniChars, workingLen, nameUniChars, nameLen, resTypes, limit, &stopLooking, predicate, version, cheapStr, tmpString, result);
// Strip the non-localized resource directory.
workingLen = savedWorkingLen;
}
if (CFArrayGetCount(result) < limit && !stopLooking) {
Boolean appendSucceeded = true;
if (subDirLen > 0) appendSucceeded = _CFAppendPathComponent(workingUniChars, &workingLen, CFMaxPathSize, subDirUniChars, subDirLen);
if (appendSucceeded) _CFFindBundleResourcesInRawDir(alloc, workingUniChars, workingLen, nameUniChars, nameLen, resTypes, limit, &stopLooking, predicate, version, cheapStr, tmpString, result);
}
// Now search the first localized resources (user language).
CFIndex langCount = (searchLanguages ? CFArrayGetCount(searchLanguages) : 0);
UniChar curLangUniChars[255];
workingLen = savedWorkingLen;
if (CFArrayGetCount(result) < limit && !stopLooking && langCount >= 1) {
CFIndex numResults = CFArrayGetCount(result);
CFStringRef curLangStr = (CFStringRef)CFArrayGetValueAtIndex(searchLanguages, 0);
CFIndex curLangLen = MIN(CFStringGetLength(curLangStr), 255);
CFStringGetCharacters(curLangStr, CFRangeMake(0, curLangLen), curLangUniChars);
savedWorkingLen = workingLen;
if (_CFAppendPathComponent(workingUniChars, &workingLen, CFMaxPathSize, curLangUniChars, curLangLen) &&
_CFAppendPathExtension(workingUniChars, &workingLen, CFMaxPathSize, _LprojUniChars, _LprojLen) &&
(subDirLen == 0 || (subDirLen > 0 && _CFAppendPathExtension(workingUniChars, &workingLen, CFMaxPathSize, subDirUniChars, subDirLen)))) {
_CFFindBundleResourcesInRawDir(alloc, workingUniChars, workingLen, nameUniChars, nameLen, resTypes, limit, &stopLooking, predicate, version, cheapStr, tmpString, result);
if (CFArrayGetCount(result) != numResults) {
// We found resources in a language we already searched. Don't look any farther.
// We also don't need to check the limit, since if the count changed at all, we are bailing.
return;
}
}
}
workingLen = savedWorkingLen;
// Now search the Base.lproj directory
if (CFArrayGetCount(result) < limit && !stopLooking) {
CFIndex numResults = CFArrayGetCount(result);
savedWorkingLen = workingLen;
if (_CFAppendPathComponent(workingUniChars, &workingLen, CFMaxPathSize, _BaseUniChars, _BaseLen) &&
_CFAppendPathExtension(workingUniChars, &workingLen, CFMaxPathSize, _LprojUniChars, _LprojLen) &&
(subDirLen == 0 || (subDirLen > 0 && _CFAppendPathExtension(workingUniChars, &workingLen, CFMaxPathSize, subDirUniChars, subDirLen)))) {
_CFFindBundleResourcesInRawDir(alloc, workingUniChars, workingLen, nameUniChars, nameLen, resTypes, limit, &stopLooking, predicate, version, cheapStr, tmpString, result);
if (CFArrayGetCount(result) != numResults) {
// We found resources in a language we already searched. Don't look any farther.
// We also don't need to check the limit, since if the count changed at all, we are bailing.
return;
}
}
}
// Now search remaining localized resources (developer language)
workingLen = savedWorkingLen;
if (CFArrayGetCount(result) < limit && !stopLooking && langCount >= 2) {
// MF:??? OK to hard-wire this length?