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IOCFSerialize.c
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/*
* Copyright (c) 1999-2007 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@
*/
#include <device/device_types.h>
#include <CoreFoundation/CoreFoundation.h>
#include <IOKit/IOCFSerialize.h>
#include <IOKit/IOCFUnserialize.h>
#if IOKIT_SERVER_VERSION >= 20140421
#include <System/libkern/OSSerializeBinary.h>
#endif /* IOKIT_SERVER_VERSION >= 20140421 */
#include <assert.h>
#include <syslog.h>
typedef struct {
CFMutableDataRef data;
int idrefNumRefs;
/* For each CFType, we track whether a given plist value hasRefs,
* and what the ids used for those refs are. 'hasRefs' is set to
* kCFBooleanFalse the first time we see a given value, so we know
* we saw it, and then kCFBooleanTrue if we see it again, so we know
* we need an id for it. On writing out the XML, we generate ids as
* we encounter the need.
*/
CFMutableDictionaryRef stringIDRefDictionary;
CFMutableDictionaryRef numberIDRefDictionary;
CFMutableDictionaryRef dataIDRefDictionary;
CFMutableDictionaryRef dictionaryIDRefDictionary;
CFMutableDictionaryRef arrayIDRefDictionary;
CFMutableDictionaryRef setIDRefDictionary;
} IOCFSerializeState;
static Boolean
DoCFSerialize(CFTypeRef object, IOCFSerializeState * state);
static CFDataRef
IOCFSerializeBinary(CFTypeRef object, CFOptionFlags options);
static Boolean
addChar(char chr, IOCFSerializeState * state)
{
CFDataAppendBytes(state->data, (UInt8 *) &chr, 1);
return true;
}
static Boolean
addString(const char * str, IOCFSerializeState * state)
{
CFIndex len = strlen(str);
CFDataAppendBytes(state->data, (UInt8 *) str, len);
return true;
}
static const char *
getTagString(CFTypeRef object)
{
CFTypeID type;
assert(object);
type = CFGetTypeID(object);
if (type == CFStringGetTypeID()) return "string";
if (type == CFNumberGetTypeID()) return "integer";
if (type == CFDataGetTypeID()) return "data";
if (type == CFDictionaryGetTypeID()) return "dict";
if (type == CFArrayGetTypeID()) return "array";
if (type == CFSetGetTypeID()) return "set";
return "internal error";
}
static CFMutableDictionaryRef
idRefDictionaryForObject(
CFTypeRef object,
IOCFSerializeState * state)
{
CFMutableDictionaryRef result = NULL;
CFTypeID objectType = CFNullGetTypeID(); // do not release
objectType = CFGetTypeID(object);
/* Sorted by rough order of % occurence in big plists.
*/
if (objectType == CFDictionaryGetTypeID()) {
result = state->dictionaryIDRefDictionary;
} else if (objectType == CFStringGetTypeID()) {
result = state->stringIDRefDictionary;
} else if (objectType == CFArrayGetTypeID()) {
result = state->arrayIDRefDictionary;
} else if (objectType == CFNumberGetTypeID()) {
result = state->numberIDRefDictionary;
} else if (objectType == CFDataGetTypeID()) {
result = state->dataIDRefDictionary;
} else if (objectType == CFSetGetTypeID()) {
result = state->setIDRefDictionary;
}
return result;
}
void
recordObjectInIDRefDictionary(
CFTypeRef object,
IOCFSerializeState * state)
{
CFTypeRef refEntry = NULL; // do not release
CFMutableDictionaryRef idRefDictionary = NULL; // do not release
if (!object || !state) {
goto finish;
}
idRefDictionary = idRefDictionaryForObject(object, state);
if (!idRefDictionary) {
goto finish;
}
refEntry = CFDictionaryGetValue(idRefDictionary, object);
/* If we have never seen this object value, then add an entry
* in the dictionary with value false, indicating we have seen
* it once.
*
* If we have seen this object value, then set its entry to true
* to indicate that we have now seen a second occurrence
* of the object value, which means we will generate an ID and IDREFs
* in the XML.
*/
if (!refEntry) {
/* Use AddValue here so as not to overwrite.
*/
CFDictionaryAddValue(idRefDictionary, object, kCFBooleanFalse);
} else {
CFDictionarySetValue(idRefDictionary, object, kCFBooleanTrue);
}
finish:
return;
}
Boolean
previouslySerialized(
CFTypeRef object,
IOCFSerializeState * state)
{
Boolean result = FALSE;
CFMutableDictionaryRef idRefDict = NULL; // do not release
CFTypeRef idRefEntry = NULL; // do not release
CFTypeID idRefType = CFNullGetTypeID(); // do not release
char temp[64];
int idInt = -1;
if (!object || !state) {
goto finish;
}
/* If we don't get a lookup dict or an entry for the object,
* then no ID or IDREF will be involved,
* so treat is if never before serialized.
*/
idRefDict = idRefDictionaryForObject(object, state);
if (!idRefDict) {
goto finish;
}
idRefEntry = (CFTypeRef)CFDictionaryGetValue(idRefDict, object);
if (!idRefEntry) {
goto finish;
}
idRefType = CFGetTypeID(idRefEntry);
/* If the entry is of Boolean type, then an ID/IDREF may be involved,
* but we haven't created one yet, so not yet serialized.
*/
if (idRefType == CFBooleanGetTypeID()) {
goto finish;
}
/* At this point the entry should be a CFNumber.
*/
if (idRefType != CFNumberGetTypeID()) {
goto finish;
}
/* Finally, get the IDREF value out of the idRef entry and write the
* XML for it. Bail on extraction error.
*/
if (!CFNumberGetValue((CFNumberRef)idRefEntry, kCFNumberIntType, &idInt)) {
goto finish;
}
snprintf(temp, sizeof(temp), "<%s IDREF=\"%d\"/>", getTagString(object), idInt);
result = addString(temp, state);
finish:
return result;
}
static Boolean
addStartTag(
CFTypeRef object,
const char * additionalTags,
IOCFSerializeState * state)
{
CFMutableDictionaryRef idRefDict = NULL; // do not release
CFTypeRef idRefEntry = NULL; // do not release
CFNumberRef idRef = NULL; // must release
char temp[128];
idRefDict = idRefDictionaryForObject(object, state);
if (idRefDict) {
idRefEntry = (CFTypeRef)CFDictionaryGetValue(idRefDict, object);
}
/* If the IDRef entry is 'true', then we know we have an object value
* with multiple references and need to emit an ID. So we create one
* by incrementing the state's counter, making a CFNumber, and *replacing*
* the boolean value in the IDRef dictionary with that number.
*/
if (idRefEntry == kCFBooleanTrue) {
int idInt = state->idrefNumRefs++;
idRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &idInt);
assert(idRef);
CFDictionarySetValue(idRefDict, object, idRef);
CFRelease(idRef);
if (additionalTags) {
snprintf(temp, sizeof(temp) * sizeof(char),
"<%s ID=\"%d\" %s>", getTagString(object), idInt, additionalTags);
} else {
snprintf(temp, sizeof(temp) * sizeof(char),
"<%s ID=\"%d\">", getTagString(object), idInt);
}
} else {
if (additionalTags) {
snprintf(temp, sizeof(temp) * sizeof(char),
"<%s %s>", getTagString(object), additionalTags);
} else {
snprintf(temp, sizeof(temp) * sizeof(char),
"<%s>", getTagString(object));
}
}
return addString(temp, state);
}
static Boolean
addEndTag(CFTypeRef object,
IOCFSerializeState * state)
{
char temp[128];
snprintf(temp, sizeof(temp) * sizeof(char), "</%s>", getTagString(object));
return addString(temp, state);
}
static Boolean
DoCFSerializeNumber(CFNumberRef object, IOCFSerializeState * state)
{
char temp[32];
long long value;
int size;
if (previouslySerialized(object, state)) return true;
if (!CFNumberGetValue(object, kCFNumberLongLongType, &value)) {
return(false);
}
switch(CFNumberGetType(object)) {
case kCFNumberSInt8Type:
case kCFNumberCharType:
size = 8;
break;
case kCFNumberSInt16Type:
case kCFNumberShortType:
size = 16;
break;
case kCFNumberSInt32Type:
case kCFNumberIntType:
size = 32;
break;
case kCFNumberLongType:
#if __LP64__
size = 64;
#else
size = 32;
#endif
break;
case kCFNumberSInt64Type:
case kCFNumberLongLongType:
default:
size = 64;
break;
}
snprintf(temp, sizeof(temp), "size=\"%d\"", size);
if (!addStartTag(object, temp, state)) return false;
if (size <= 32)
snprintf(temp, sizeof(temp), "0x%lx", (unsigned long int) value);
else
snprintf(temp, sizeof(temp), "0x%qx", value);
if (!addString(temp, state)) return false;
return addEndTag(object, state);
}
static Boolean
DoCFSerializeBoolean(CFBooleanRef object, IOCFSerializeState * state)
{
return addString(CFBooleanGetValue(object) ? "<true/>" : "<false/>", state);
}
static Boolean
DoCFSerializeString(CFStringRef object, IOCFSerializeState * state)
{
CFDataRef dataBuffer = 0;
const char *buffer = "";
CFIndex length = 0;
char c;
int i;
Boolean succeeded = true;
if (previouslySerialized(object, state)) return true;
if (!addStartTag(object, 0, state)) return false;
dataBuffer = CFStringCreateExternalRepresentation(kCFAllocatorDefault, object, kCFStringEncodingUTF8, '?');
if (dataBuffer) {
length = CFDataGetLength(dataBuffer);
buffer = (char *) CFDataGetBytePtr(dataBuffer);
}
// this works because all bytes in a multi-byte utf-8 character have the high order bit set
for (i = 0; (i < length) && succeeded; i++) {
c = buffer[i];
switch (c) {
case '<':
succeeded = addString("<", state);
break;
case '>':
succeeded = addString(">", state);
break;
case '&':
succeeded = addString("&", state);
break;
default:
succeeded = addChar(c, state);
break;
}
}
if (dataBuffer) CFRelease(dataBuffer);
if (succeeded)
return addEndTag(object, state);
else
return false;
}
static Boolean
DoCFSerializeKey(CFStringRef object, IOCFSerializeState * state)
{
CFDataRef dataBuffer = 0;
const char *buffer = "";
CFIndex length = 0;
char c;
int i;
Boolean succeeded = true;
if (!addString("<key>", state)) return false;
dataBuffer = CFStringCreateExternalRepresentation(kCFAllocatorDefault, object, kCFStringEncodingUTF8, '?');
if (dataBuffer) {
length = CFDataGetLength(dataBuffer);
buffer = (char *) CFDataGetBytePtr(dataBuffer);
}
// this works because all bytes in a multi-byte utf-8 character have the high order bit set
for (i = 0; (i < length) && succeeded; i++) {
c = buffer[i];
switch (c) {
case '<':
succeeded = addString("<", state);
break;
case '>':
succeeded = addString(">", state);
break;
case '&':
succeeded = addString("&", state);
break;
default:
succeeded = addChar(c, state);
break;
}
}
if (dataBuffer) CFRelease(dataBuffer);
if (succeeded)
return addString("</key>", state);
else
return false;
}
//this was taken from CFPropertyList.c
static const char __CFPLDataEncodeTable[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static Boolean
DoCFSerializeData(CFDataRef object, IOCFSerializeState * state)
{
CFIndex length;
const UInt8 * bytes;
CFIndex i;
const unsigned char *p;
unsigned char c = 0;
if (previouslySerialized(object, state)) return true;
length = CFDataGetLength(object);
bytes = CFDataGetBytePtr(object);
if (!addStartTag(object, 0, state)) return false;
for (i = 0, p = (unsigned char *)bytes; i < length; i++, p++) {
/* 3 bytes are encoded as 4 */
switch (i % 3) {
case 0:
c = __CFPLDataEncodeTable [ ((p[0] >> 2) & 0x3f)];
if (!addChar(c, state)) return false;
break;
case 1:
c = __CFPLDataEncodeTable [ ((((p[-1] << 8) | p[0]) >> 4) & 0x3f)];
if (!addChar(c, state)) return false;
break;
case 2:
c = __CFPLDataEncodeTable [ ((((p[-1] << 8) | p[0]) >> 6) & 0x3f)];
if (!addChar(c, state)) return false;
c = __CFPLDataEncodeTable [ (p[0] & 0x3f)];
if (!addChar(c, state)) return false;
break;
}
}
switch (i % 3) {
case 0:
break;
case 1:
c = __CFPLDataEncodeTable [ ((p[-1] << 4) & 0x30)];
if (!addChar(c, state)) return false;
if (!addChar('=', state)) return false;
if (!addChar('=', state)) return false;
break;
case 2:
c = __CFPLDataEncodeTable [ ((p[-1] << 2) & 0x3c)];
if (!addChar(c, state)) return false;
if (!addChar('=', state)) return false;
break;
}
return addEndTag(object, state);
}
static Boolean
DoCFSerializeArray(CFArrayRef object, IOCFSerializeState * state)
{
CFIndex count, i;
Boolean ok = true;
if (previouslySerialized(object, state)) return true;
if (!addStartTag(object, 0, state)) return false;
count = CFArrayGetCount(object);
if (count) {
for (i = 0; ok && (i < count); i++) {
ok = DoCFSerialize((CFTypeRef) CFArrayGetValueAtIndex(object, i),
state);
}
}
return ok && addEndTag(object, state);
}
static Boolean
DoCFSerializeSet(CFSetRef object, IOCFSerializeState * state)
{
CFIndex count, i;
const void ** values;
Boolean ok = true;
if (previouslySerialized(object, state)) return true;
if (!addStartTag(object, 0, state)) return false;
count = CFSetGetCount(object);
if (count) {
values = (const void **) malloc(count * sizeof(void *));
if (!values)
return false;
CFSetGetValues(object, values);
} else {
values = 0;
}
for (i = 0; ok && (i < count); i++) {
ok = DoCFSerialize((CFTypeRef) values[i], state);
}
if (values)
free(values);
return ok && addEndTag(object, state);
}
static Boolean
DoCFSerializeDictionary(CFDictionaryRef object,
IOCFSerializeState * state)
{
CFIndex count, i;
const void ** values;
const void ** keys;
Boolean ok = true;
if (previouslySerialized(object, state)) return true;
if (!addStartTag(object, 0, state)) return false;
count = CFDictionaryGetCount(object);
if (count) {
values = (const void **) malloc(2 * count * sizeof(void *));
if (!values)
return false;
keys = values + count;
CFDictionaryGetKeysAndValues(object, keys, values);
} else {
values = keys = 0;
}
for (i = 0; ok && (i < count); i++) {
ok = DoCFSerializeKey((CFTypeRef) keys[i], state);
if (!ok)
break;
if (!(ok = DoCFSerialize((CFTypeRef) values[i], state)))
break;
}
if (values)
free(values);
return ok && addEndTag(object, state);
}
static Boolean
DoIdrefScan(CFTypeRef object, IOCFSerializeState * state)
{
CFTypeID type;
Boolean ok = true; // such an optimist
CFIndex count, i;
const void ** keys;
const void ** values;
assert(object);
recordObjectInIDRefDictionary(object, state);
type = CFGetTypeID(object);
if (type == CFDictionaryGetTypeID()) {
CFDictionaryRef dict = (CFDictionaryRef)object;
count = CFDictionaryGetCount(dict);
if (count) {
keys = (const void **)malloc(count * sizeof(void *));
values = (const void **)malloc(count * sizeof(void *));
if (!keys || !values) {
return false;
}
CFDictionaryGetKeysAndValues(dict, keys, values);
for (i = 0; ok && (i < count); i++) {
// don't record dictionary keys
ok &= DoIdrefScan((CFTypeRef)values[i], state);
}
free(keys);
free(values);
if (!ok) {
return ok;
}
}
} else if (type == CFArrayGetTypeID()) {
CFArrayRef array = (CFArrayRef)object;
count = CFArrayGetCount(array);
for (i = 0; i < count; i++) {
CFTypeRef element = CFArrayGetValueAtIndex(array, i);
ok = DoIdrefScan(element, state);
if (!ok) {
return ok;
}
}
} else if (type == CFSetGetTypeID()) {
CFSetRef set = (CFSetRef)object;
count = CFSetGetCount(set);
if (count) {
values = (const void **)malloc(count * sizeof(void *));
if (!values) {
return false;
}
CFSetGetValues(set, values);
for (i = 0; ok && (i < count); i++) {
ok = DoIdrefScan((CFTypeRef)values[i], state);
}
free(values);
if (!ok) {
return ok;
}
}
}
return ok;
}
static Boolean
DoCFSerialize(CFTypeRef object, IOCFSerializeState * state)
{
CFTypeID type;
Boolean ok;
assert(object);
type = CFGetTypeID(object);
/* Sorted by rough order of % occurrence in big plists.
*/
if (type == CFDictionaryGetTypeID()) {
ok = DoCFSerializeDictionary((CFDictionaryRef) object, state);
} else if (type == CFStringGetTypeID()) {
ok = DoCFSerializeString((CFStringRef) object, state);
} else if (type == CFArrayGetTypeID()) {
ok = DoCFSerializeArray((CFArrayRef) object, state);
} else if (type == CFNumberGetTypeID()) {
ok = DoCFSerializeNumber((CFNumberRef) object, state);
} else if (type == CFDataGetTypeID()) {
ok = DoCFSerializeData((CFDataRef) object, state);
} else if (type == CFBooleanGetTypeID()) {
ok = DoCFSerializeBoolean((CFBooleanRef) object, state);
} else if (type == CFSetGetTypeID()) {
ok = DoCFSerializeSet((CFSetRef) object, state);
} else {
CFStringRef temp = NULL;
temp = CFStringCreateWithFormat(kCFAllocatorDefault, NULL,
CFSTR("<string>typeID 0x%x not serializable</string>"), (int) type);
if (temp) {
ok = DoCFSerializeString(temp, state);
CFRelease(temp);
} else {
ok = false;
}
}
return ok;
}
CFDataRef
IOCFSerialize(CFTypeRef object, CFOptionFlags options)
{
IOCFSerializeState state;
Boolean ok = FALSE;
CFDictionaryKeyCallBacks idrefKeyCallbacks;
if (!object) return 0;
#if IOKIT_SERVER_VERSION >= 20140421
if (kIOCFSerializeToBinary & options) return IOCFSerializeBinary(object, options);
#endif /* IOKIT_SERVER_VERSION >= 20140421 */
if (options) return 0;
state.data = CFDataCreateMutable(kCFAllocatorDefault, 0);
assert(state.data);
state.idrefNumRefs = 0;
idrefKeyCallbacks = kCFTypeDictionaryKeyCallBacks;
// only use pointer equality for these keys
idrefKeyCallbacks.equal = NULL;
state.stringIDRefDictionary = CFDictionaryCreateMutable(
kCFAllocatorDefault, 0,
&idrefKeyCallbacks, &kCFTypeDictionaryValueCallBacks);
assert(state.stringIDRefDictionary);
state.numberIDRefDictionary = CFDictionaryCreateMutable(
kCFAllocatorDefault, 0,
&idrefKeyCallbacks, &kCFTypeDictionaryValueCallBacks);
assert(state.numberIDRefDictionary);
state.dataIDRefDictionary = CFDictionaryCreateMutable(
kCFAllocatorDefault, 0,
&idrefKeyCallbacks, &kCFTypeDictionaryValueCallBacks);
assert(state.dataIDRefDictionary);
state.dictionaryIDRefDictionary = CFDictionaryCreateMutable(
kCFAllocatorDefault, 0,
&idrefKeyCallbacks, &kCFTypeDictionaryValueCallBacks);
assert(state.dictionaryIDRefDictionary);
state.arrayIDRefDictionary = CFDictionaryCreateMutable(
kCFAllocatorDefault, 0,
&idrefKeyCallbacks, &kCFTypeDictionaryValueCallBacks);
assert(state.arrayIDRefDictionary);
state.setIDRefDictionary = CFDictionaryCreateMutable(
kCFAllocatorDefault, 0,
&idrefKeyCallbacks, &kCFTypeDictionaryValueCallBacks);
assert(state.setIDRefDictionary);
ok = DoIdrefScan(object, &state);
if (!ok) {
goto finish;
}
ok = DoCFSerialize(object, &state);
if (ok) {
ok = addChar(0, &state);
}
if (!ok) {
goto finish;
}
finish:
if (!ok && state.data) {
CFRelease(state.data);
state.data = NULL; // it's returned
}
if (state.stringIDRefDictionary) CFRelease(state.stringIDRefDictionary);
if (state.numberIDRefDictionary) CFRelease(state.numberIDRefDictionary);
if (state.dataIDRefDictionary) CFRelease(state.dataIDRefDictionary);
if (state.dictionaryIDRefDictionary) CFRelease(state.dictionaryIDRefDictionary);
if (state.arrayIDRefDictionary) CFRelease(state.arrayIDRefDictionary);
if (state.setIDRefDictionary) CFRelease(state.setIDRefDictionary);
return state.data;
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#if IOKIT_SERVER_VERSION >= 20140421
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#if 0
#define DEBG(fmt, args...) { printf(fmt, args); }
#else
#define DEBG(fmt, args...) {}
#endif
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
struct IOCFSerializeBinaryState
{
CFMutableDataRef data;
CFMutableDictionaryRef tags;
Boolean endCollection;
uintptr_t tag;
};
typedef struct IOCFSerializeBinaryState IOCFSerializeBinaryState;
static Boolean
IOCFSerializeBinaryAdd(IOCFSerializeBinaryState * state, const void * bits, size_t size)
{
CFDataAppendBytes(state->data, bits, size);
if (3 & size) CFDataIncreaseLength(state->data, 4 - (3 & size));
return true;
}
static Boolean
IOCFSerializeBinaryAddObject(IOCFSerializeBinaryState * state,
CFTypeRef o, uint32_t key,
const void * bits, size_t size, size_t zero)
{
// add to tag dictionary
CFDictionarySetValue(state->tags, o, (const void *)state->tag);
state->tag++;
if (state->endCollection)
{
state->endCollection = false;
key |= kOSSerializeEndCollecton;
}
CFDataAppendBytes(state->data, (const UInt8 *) &key, sizeof(key));
CFDataAppendBytes(state->data, bits, size - zero);
if (zero) CFDataIncreaseLength(state->data, zero);
if (3 & size) CFDataIncreaseLength(state->data, 4 - (3 & size));
return (true);
}
struct ApplierState
{
IOCFSerializeBinaryState * state;
CFIndex index;
CFIndex count;
Boolean ok;
};
typedef struct ApplierState ApplierState;
static Boolean
DoCFSerializeBinary(IOCFSerializeBinaryState * state, CFTypeRef o, Boolean isKey);
static void
IOCFSerializeBinaryCFDictionaryFunction(const void *key, const void *value, void *context)
{
ApplierState * ctx = (typeof(ctx)) context;
ctx->index++;
ctx->ok &= DoCFSerializeBinary(ctx->state, key, true);
ctx->state->endCollection = (ctx->index == ctx->count);
ctx->ok &= DoCFSerializeBinary(ctx->state, value, false);
}
static void
IOCFSerializeBinaryCFArraySetFunction(const void *value, void *context)
{
ApplierState * ctx = (typeof(ctx)) context;
ctx->index++;
ctx->state->endCollection = (ctx->index == ctx->count);
ctx->ok &= DoCFSerializeBinary(ctx->state, value, false);
}
static Boolean
DoCFSerializeBinary(IOCFSerializeBinaryState * state, CFTypeRef o, Boolean isKey)
{
ApplierState applierState;
Boolean ok;
CFTypeID type;
CFIndex count;
uint32_t key;
size_t len;
uintptr_t tag;
// look it up
tag = (uintptr_t) CFDictionaryGetValue(state->tags, o);
// does it exist?
if (tag)
{
key = (kOSSerializeObject | (tag & kOSSerializeDataMask));
if (state->endCollection)
{
state->endCollection = false;
key |= kOSSerializeEndCollecton;
}
ok = IOCFSerializeBinaryAdd(state, &key, sizeof(key));
return (ok);
}
type = CFGetTypeID(o);
applierState.state = state;
if (type == CFDictionaryGetTypeID())
{
count = CFDictionaryGetCount(o);
key = (kOSSerializeDictionary | count);
ok = IOCFSerializeBinaryAddObject(state, o, key, NULL, 0, 0);
if (ok)
{
applierState.ok = true;
applierState.index = 0;
applierState.count = count;
CFDictionaryApplyFunction(o, &IOCFSerializeBinaryCFDictionaryFunction, &applierState);
ok = applierState.ok;
}
}
else if (type == CFArrayGetTypeID())
{
count = CFArrayGetCount(o);
key = (kOSSerializeArray | count);
ok = IOCFSerializeBinaryAddObject(state, o, key, NULL, 0, 0);
if (ok)
{
applierState.ok = true;
applierState.index = 0;
applierState.count = count;
CFArrayApplyFunction(o, CFRangeMake(0, count), &IOCFSerializeBinaryCFArraySetFunction, &applierState);
ok = applierState.ok;
}
}
else if (type == CFSetGetTypeID())
{
count = CFArrayGetCount(o);
key = (kOSSerializeSet | count);
ok = IOCFSerializeBinaryAddObject(state, o, key, NULL, 0, 0);
if (ok)
{
applierState.ok = true;
applierState.index = 0;
applierState.count = count;
CFSetApplyFunction(o, &IOCFSerializeBinaryCFArraySetFunction, &applierState);
ok = applierState.ok;
}
}
else if (type == CFNumberGetTypeID())
{
long long value;
int size;
ok = CFNumberGetValue(o, kCFNumberLongLongType, &value);
if (ok)
{
switch(CFNumberGetType(o))
{
case kCFNumberSInt8Type:
case kCFNumberCharType:
size = sizeof(SInt8);
break;
case kCFNumberSInt16Type:
case kCFNumberShortType:
size = sizeof(SInt16);
break;
case kCFNumberSInt32Type:
case kCFNumberIntType:
size = sizeof(SInt32);
break;
case kCFNumberLongType:
size = sizeof(long);
break;
case kCFNumberSInt64Type:
case kCFNumberLongLongType:
default:
size = sizeof(SInt64);
break;
}
key = (kOSSerializeNumber | (size * 8));
ok = IOCFSerializeBinaryAddObject(state, o, key, &value, sizeof(value), 0);
}
}
else if (type == CFBooleanGetTypeID())
{
key = (kOSSerializeBoolean | (kCFBooleanTrue == o));
ok = IOCFSerializeBinaryAddObject(state, o, key, NULL, 0, 0);
}
else if (type == CFStringGetTypeID())
{
CFDataRef dataBuffer = 0;
const char * buffer;
bool conversionFailed = false;
if ((buffer = CFStringGetCStringPtr(o, kCFStringEncodingUTF8))) len = CFStringGetLength(o);
else
{