30 |
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31 |
#include "helper.h" |
#include "helper.h" |
32 |
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33 |
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#define LIBGIG_EPOCH_TIME ((time_t)0) |
34 |
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35 |
namespace Serialization { |
namespace Serialization { |
36 |
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|
37 |
// *************** DataType *************** |
// *************** DataType *************** |
38 |
// * |
// * |
39 |
|
|
40 |
static UID _createNullUID() { |
static UID _createNullUID() { |
41 |
return (UID) { NULL, 0 }; |
const UID uid = { NULL, 0 }; |
42 |
|
return uid; |
43 |
} |
} |
44 |
|
|
45 |
const UID NO_UID = _createNullUID(); |
const UID NO_UID = _createNullUID(); |
193 |
m_uid = uidChain; |
m_uid = uidChain; |
194 |
m_version = 0; |
m_version = 0; |
195 |
m_minVersion = 0; |
m_minVersion = 0; |
196 |
m_data.resize(type.size()); |
//m_data.resize(type.size()); |
197 |
} |
} |
198 |
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|
199 |
bool Object::isValid() const { |
bool Object::isValid() const { |
239 |
return Member(); |
return Member(); |
240 |
} |
} |
241 |
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|
242 |
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Member Object::memberByUID(const UID& uid) const { |
243 |
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if (!uid) return Member(); |
244 |
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for (int i = 0; i < m_members.size(); ++i) |
245 |
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if (m_members[i].uid() == uid) |
246 |
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return m_members[i]; |
247 |
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return Member(); |
248 |
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} |
249 |
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|
250 |
void Object::remove(const Member& member) { |
void Object::remove(const Member& member) { |
251 |
for (int i = 0; i < m_members.size(); ++i) { |
for (int i = 0; i < m_members.size(); ++i) { |
252 |
if (m_members[i] == member) { |
if (m_members[i] == member) { |
279 |
Archive::Archive() { |
Archive::Archive() { |
280 |
m_operation = OPERATION_NONE; |
m_operation = OPERATION_NONE; |
281 |
m_root = NO_UID; |
m_root = NO_UID; |
282 |
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m_isModified = false; |
283 |
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m_timeCreated = m_timeModified = LIBGIG_EPOCH_TIME; |
284 |
} |
} |
285 |
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|
286 |
Archive::Archive(const RawData& data) { |
Archive::Archive(const RawData& data) { |
287 |
m_operation = OPERATION_NONE; |
m_operation = OPERATION_NONE; |
288 |
m_root = NO_UID; |
m_root = NO_UID; |
289 |
|
m_isModified = false; |
290 |
|
m_timeCreated = m_timeModified = LIBGIG_EPOCH_TIME; |
291 |
decode(m_rawData); |
decode(m_rawData); |
292 |
} |
} |
293 |
|
|
294 |
Archive::Archive(const uint8_t* data, size_t size) { |
Archive::Archive(const uint8_t* data, size_t size) { |
295 |
m_operation = OPERATION_NONE; |
m_operation = OPERATION_NONE; |
296 |
m_root = NO_UID; |
m_root = NO_UID; |
297 |
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m_isModified = false; |
298 |
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m_timeCreated = m_timeModified = LIBGIG_EPOCH_TIME; |
299 |
decode(data, size); |
decode(data, size); |
300 |
} |
} |
301 |
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|
317 |
return _encodeBlob(s); |
return _encodeBlob(s); |
318 |
} |
} |
319 |
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|
320 |
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static String _encode(const time_t& time) { |
321 |
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return _encodeBlob(ToString(time)); |
322 |
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} |
323 |
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|
324 |
static String _encode(const DataType& type) { |
static String _encode(const DataType& type) { |
325 |
String s; |
String s; |
326 |
s += _encodeBlob(type.baseTypeName()); |
s += _encodeBlob(type.baseTypeName()); |
353 |
return _encodeBlob(s); |
return _encodeBlob(s); |
354 |
} |
} |
355 |
|
|
356 |
static String _encodePrimitiveValue(const Object& obj) { |
static String _primitiveObjectValueToString(const Object& obj) { |
357 |
String s; |
String s; |
358 |
const DataType& type = obj.type(); |
const DataType& type = obj.type(); |
359 |
const ID& id = obj.uid().id; |
const ID& id = obj.uid().id; |
360 |
|
void* ptr = obj.m_data.empty() ? (void*)id : (void*)&obj.m_data[0]; |
361 |
|
if (!obj.m_data.empty()) |
362 |
|
assert(type.size() == obj.m_data.size()); |
363 |
if (type.isPrimitive() && !type.isPointer()) { |
if (type.isPrimitive() && !type.isPointer()) { |
364 |
if (type.isInteger() || type.isEnum()) { |
if (type.isInteger() || type.isEnum()) { |
365 |
if (type.isSigned()) { |
if (type.isSigned()) { |
366 |
if (type.size() == 1) |
if (type.size() == 1) |
367 |
s = ToString((int16_t)*(int8_t*)id); // int16_t: prevent ToString() to render an ASCII character |
s = ToString((int16_t)*(int8_t*)ptr); // int16_t: prevent ToString() to render an ASCII character |
368 |
else if (type.size() == 2) |
else if (type.size() == 2) |
369 |
s = ToString(*(int16_t*)id); |
s = ToString(*(int16_t*)ptr); |
370 |
else if (type.size() == 4) |
else if (type.size() == 4) |
371 |
s = ToString(*(int32_t*)id); |
s = ToString(*(int32_t*)ptr); |
372 |
else if (type.size() == 8) |
else if (type.size() == 8) |
373 |
s = ToString(*(int64_t*)id); |
s = ToString(*(int64_t*)ptr); |
374 |
else |
else |
375 |
assert(false /* unknown signed int type size */); |
assert(false /* unknown signed int type size */); |
376 |
} else { |
} else { |
377 |
if (type.size() == 1) |
if (type.size() == 1) |
378 |
s = ToString((uint16_t)*(uint8_t*)id); // uint16_t: prevent ToString() to render an ASCII character |
s = ToString((uint16_t)*(uint8_t*)ptr); // uint16_t: prevent ToString() to render an ASCII character |
379 |
else if (type.size() == 2) |
else if (type.size() == 2) |
380 |
s = ToString(*(uint16_t*)id); |
s = ToString(*(uint16_t*)ptr); |
381 |
else if (type.size() == 4) |
else if (type.size() == 4) |
382 |
s = ToString(*(uint32_t*)id); |
s = ToString(*(uint32_t*)ptr); |
383 |
else if (type.size() == 8) |
else if (type.size() == 8) |
384 |
s = ToString(*(uint64_t*)id); |
s = ToString(*(uint64_t*)ptr); |
385 |
else |
else |
386 |
assert(false /* unknown unsigned int type size */); |
assert(false /* unknown unsigned int type size */); |
387 |
} |
} |
388 |
} else if (type.isReal()) { |
} else if (type.isReal()) { |
389 |
if (type.size() == sizeof(float)) |
if (type.size() == sizeof(float)) |
390 |
s = ToString(*(float*)id); |
s = ToString(*(float*)ptr); |
391 |
else if (type.size() == sizeof(double)) |
else if (type.size() == sizeof(double)) |
392 |
s = ToString(*(double*)id); |
s = ToString(*(double*)ptr); |
393 |
else |
else |
394 |
assert(false /* unknown floating point type */); |
assert(false /* unknown floating point type */); |
395 |
} else if (type.isBool()) { |
} else if (type.isBool()) { |
396 |
s = ToString(*(bool*)id); |
s = ToString(*(bool*)ptr); |
397 |
} else { |
} else { |
398 |
assert(false /* unknown primitive type */); |
assert(false /* unknown primitive type */); |
399 |
} |
} |
400 |
|
|
401 |
} |
} |
402 |
return _encodeBlob(s); |
return s; |
403 |
|
} |
404 |
|
|
405 |
|
static String _encodePrimitiveValue(const Object& obj) { |
406 |
|
return _encodeBlob( _primitiveObjectValueToString(obj) ); |
407 |
} |
} |
408 |
|
|
409 |
static String _encode(const Object& obj) { |
static String _encode(const Object& obj) { |
436 |
s += _encodeBlob(ToString(ENCODING_FORMAT_MINOR_VERSION)); |
s += _encodeBlob(ToString(ENCODING_FORMAT_MINOR_VERSION)); |
437 |
s += _encode(m_root); |
s += _encode(m_root); |
438 |
s += _encode(m_allObjects); |
s += _encode(m_allObjects); |
439 |
|
s += _encodeBlob(m_name); |
440 |
|
s += _encodeBlob(m_comment); |
441 |
|
s += _encode(m_timeCreated); |
442 |
|
s += _encode(m_timeModified); |
443 |
return _encodeBlob(s); |
return _encodeBlob(s); |
444 |
} |
} |
445 |
|
|
446 |
void Archive::encode() { |
void Archive::encode() { |
447 |
m_rawData.clear(); |
m_rawData.clear(); |
448 |
String s = MAGIC_START; |
String s = MAGIC_START; |
449 |
|
m_timeModified = time(NULL); |
450 |
|
if (m_timeCreated == LIBGIG_EPOCH_TIME) |
451 |
|
m_timeCreated = m_timeModified; |
452 |
s += _encodeRootBlob(); |
s += _encodeRootBlob(); |
453 |
m_rawData.resize(s.length() + 1); |
m_rawData.resize(s.length() + 1); |
454 |
memcpy(&m_rawData[0], &s[0], s.length() + 1); |
memcpy(&m_rawData[0], &s[0], s.length() + 1); |
455 |
|
m_isModified = false; |
456 |
} |
} |
457 |
|
|
458 |
struct _Blob { |
struct _Blob { |
461 |
}; |
}; |
462 |
|
|
463 |
static _Blob _decodeBlob(const char* p, const char* end, bool bThrow = true) { |
static _Blob _decodeBlob(const char* p, const char* end, bool bThrow = true) { |
464 |
if (!bThrow && p >= end) |
if (!bThrow && p >= end) { |
465 |
return (_Blob) { p, end }; |
const _Blob blob = { p, end }; |
466 |
|
return blob; |
467 |
|
} |
468 |
size_t sz = 0; |
size_t sz = 0; |
469 |
for (; true; ++p) { |
for (; true; ++p) { |
470 |
if (p >= end) |
if (p >= end) |
479 |
++p; |
++p; |
480 |
if (p + sz > end) |
if (p + sz > end) |
481 |
throw Exception("Decode Error: Premature end of blob"); |
throw Exception("Decode Error: Premature end of blob"); |
482 |
return (_Blob) { p, p + sz }; |
const _Blob blob = { p, p + sz }; |
483 |
|
return blob; |
484 |
} |
} |
485 |
|
|
486 |
template<typename T_int> |
template<typename T_int> |
555 |
return s; |
return s; |
556 |
} |
} |
557 |
|
|
558 |
|
static time_t _popTimeBlob(const char*& p, const char* end) { |
559 |
|
const uint64_t i = _popIntBlob<uint64_t>(p, end); |
560 |
|
return (time_t) i; |
561 |
|
} |
562 |
|
|
563 |
DataType _popDataTypeBlob(const char*& p, const char* end) { |
DataType _popDataTypeBlob(const char*& p, const char* end) { |
564 |
_Blob blob = _decodeBlob(p, end); |
_Blob blob = _decodeBlob(p, end); |
565 |
p = blob.p; |
p = blob.p; |
584 |
const ID id = (ID) _popIntBlob<size_t>(p, end); |
const ID id = (ID) _popIntBlob<size_t>(p, end); |
585 |
const size_t size = _popIntBlob<size_t>(p, end); |
const size_t size = _popIntBlob<size_t>(p, end); |
586 |
|
|
587 |
return (UID) { id, size }; |
const UID uid = { id, size }; |
588 |
|
return uid; |
589 |
} |
} |
590 |
|
|
591 |
static UIDChain _popUIDChainBlob(const char*& p, const char* end) { |
static UIDChain _popUIDChainBlob(const char*& p, const char* end) { |
737 |
_popObjectsBlob(p, end); |
_popObjectsBlob(p, end); |
738 |
if (!m_allObjects[m_root]) |
if (!m_allObjects[m_root]) |
739 |
throw Exception("Decode Error: Missing declared root object"); |
throw Exception("Decode Error: Missing declared root object"); |
740 |
|
|
741 |
|
m_name = _popStringBlob(p, end); |
742 |
|
m_comment = _popStringBlob(p, end); |
743 |
|
m_timeCreated = _popTimeBlob(p, end); |
744 |
|
m_timeModified = _popTimeBlob(p, end); |
745 |
} |
} |
746 |
|
|
747 |
void Archive::decode(const RawData& data) { |
void Archive::decode(const RawData& data) { |
748 |
m_rawData = data; |
m_rawData = data; |
749 |
m_allObjects.clear(); |
m_allObjects.clear(); |
750 |
|
m_isModified = false; |
751 |
|
m_timeCreated = m_timeModified = LIBGIG_EPOCH_TIME; |
752 |
const char* p = (const char*) &data[0]; |
const char* p = (const char*) &data[0]; |
753 |
const char* end = p + data.size(); |
const char* end = p + data.size(); |
754 |
if (memcmp(p, MAGIC_START, std::min(strlen(MAGIC_START), data.size()))) |
if (memcmp(p, MAGIC_START, std::min(strlen(MAGIC_START), data.size()))) |
764 |
decode(rawData); |
decode(rawData); |
765 |
} |
} |
766 |
|
|
767 |
|
const RawData& Archive::rawData() { |
768 |
|
if (m_isModified) encode(); |
769 |
|
return m_rawData; |
770 |
|
} |
771 |
|
|
772 |
String Archive::rawDataFormat() const { |
String Archive::rawDataFormat() const { |
773 |
return MAGIC_START; |
return MAGIC_START; |
774 |
} |
} |
775 |
|
|
776 |
|
bool Archive::isModified() const { |
777 |
|
return m_isModified; |
778 |
|
} |
779 |
|
|
780 |
void Archive::clear() { |
void Archive::clear() { |
781 |
m_allObjects.clear(); |
m_allObjects.clear(); |
782 |
m_operation = OPERATION_NONE; |
m_operation = OPERATION_NONE; |
783 |
m_root = NO_UID; |
m_root = NO_UID; |
784 |
m_rawData.clear(); |
m_rawData.clear(); |
785 |
|
m_isModified = false; |
786 |
|
m_timeCreated = m_timeModified = LIBGIG_EPOCH_TIME; |
787 |
|
} |
788 |
|
|
789 |
|
String Archive::name() const { |
790 |
|
return m_name; |
791 |
|
} |
792 |
|
|
793 |
|
void Archive::setName(String name) { |
794 |
|
if (m_name == name) return; |
795 |
|
m_name = name; |
796 |
|
m_isModified = true; |
797 |
|
} |
798 |
|
|
799 |
|
String Archive::comment() const { |
800 |
|
return m_comment; |
801 |
|
} |
802 |
|
|
803 |
|
void Archive::setComment(String comment) { |
804 |
|
if (m_comment == comment) return; |
805 |
|
m_comment = comment; |
806 |
|
m_isModified = true; |
807 |
|
} |
808 |
|
|
809 |
|
static tm _convertTimeStamp(const time_t& time, time_base_t base) { |
810 |
|
tm* pTm; |
811 |
|
switch (base) { |
812 |
|
case LOCAL_TIME: |
813 |
|
pTm = localtime(&time); |
814 |
|
break; |
815 |
|
case UTC_TIME: |
816 |
|
pTm = gmtime(&time); |
817 |
|
break; |
818 |
|
default: |
819 |
|
throw Exception("Time stamp with unknown time base (" + ToString((int64_t)base) + ") requested"); |
820 |
|
} |
821 |
|
if (!pTm) |
822 |
|
throw Exception("Failed assembling time stamp structure"); |
823 |
|
return *pTm; |
824 |
|
} |
825 |
|
|
826 |
|
time_t Archive::timeStampCreated() const { |
827 |
|
return m_timeCreated; |
828 |
|
} |
829 |
|
|
830 |
|
time_t Archive::timeStampModified() const { |
831 |
|
return m_timeModified; |
832 |
|
} |
833 |
|
|
834 |
|
tm Archive::dateTimeCreated(time_base_t base) const { |
835 |
|
return _convertTimeStamp(m_timeCreated, base); |
836 |
|
} |
837 |
|
|
838 |
|
tm Archive::dateTimeModified(time_base_t base) const { |
839 |
|
return _convertTimeStamp(m_timeModified, base); |
840 |
|
} |
841 |
|
|
842 |
|
void Archive::removeMember(Object& parent, const Member& member) { |
843 |
|
parent.remove(member); |
844 |
|
m_isModified = true; |
845 |
} |
} |
846 |
|
|
847 |
void Archive::remove(const Object& obj) { |
void Archive::remove(const Object& obj) { |
848 |
|
//FIXME: Should traverse from root object and remove all members associated with this object |
849 |
if (!obj.uid()) return; |
if (!obj.uid()) return; |
850 |
m_allObjects.erase(obj.uid()); |
m_allObjects.erase(obj.uid()); |
851 |
|
m_isModified = true; |
852 |
} |
} |
853 |
|
|
854 |
Object& Archive::objectByUID(const UID& uid) { |
Object& Archive::objectByUID(const UID& uid) { |
855 |
return m_allObjects[uid]; |
return m_allObjects[uid]; |
856 |
} |
} |
857 |
|
|
858 |
|
void Archive::setEnumValue(Object& object, uint64_t value) { |
859 |
|
if (!object) return; |
860 |
|
if (!object.type().isEnum()) |
861 |
|
throw Exception("Not an enum data type"); |
862 |
|
Object* pObject = &object; |
863 |
|
if (object.type().isPointer()) { |
864 |
|
Object& obj = objectByUID(object.uid(1)); |
865 |
|
if (!obj) return; |
866 |
|
pObject = &obj; |
867 |
|
} |
868 |
|
const int nativeEnumSize = sizeof(enum operation_t); |
869 |
|
DataType& type = const_cast<DataType&>( pObject->type() ); |
870 |
|
// original serializer ("sender") might have had a different word size |
871 |
|
// than this machine, adjust type object in this case |
872 |
|
if (type.size() != nativeEnumSize) { |
873 |
|
type.m_size = nativeEnumSize; |
874 |
|
} |
875 |
|
pObject->m_data.resize(type.size()); |
876 |
|
void* ptr = &pObject->m_data[0]; |
877 |
|
if (type.size() == 1) |
878 |
|
*(uint8_t*)ptr = (uint8_t)value; |
879 |
|
else if (type.size() == 2) |
880 |
|
*(uint16_t*)ptr = (uint16_t)value; |
881 |
|
else if (type.size() == 4) |
882 |
|
*(uint32_t*)ptr = (uint32_t)value; |
883 |
|
else if (type.size() == 8) |
884 |
|
*(uint64_t*)ptr = (uint64_t)value; |
885 |
|
else |
886 |
|
assert(false /* unknown enum type size */); |
887 |
|
m_isModified = true; |
888 |
|
} |
889 |
|
|
890 |
|
void Archive::setIntValue(Object& object, int64_t value) { |
891 |
|
if (!object) return; |
892 |
|
if (!object.type().isInteger()) |
893 |
|
throw Exception("Not an integer data type"); |
894 |
|
Object* pObject = &object; |
895 |
|
if (object.type().isPointer()) { |
896 |
|
Object& obj = objectByUID(object.uid(1)); |
897 |
|
if (!obj) return; |
898 |
|
pObject = &obj; |
899 |
|
} |
900 |
|
const DataType& type = pObject->type(); |
901 |
|
pObject->m_data.resize(type.size()); |
902 |
|
void* ptr = &pObject->m_data[0]; |
903 |
|
if (type.isSigned()) { |
904 |
|
if (type.size() == 1) |
905 |
|
*(int8_t*)ptr = (int8_t)value; |
906 |
|
else if (type.size() == 2) |
907 |
|
*(int16_t*)ptr = (int16_t)value; |
908 |
|
else if (type.size() == 4) |
909 |
|
*(int32_t*)ptr = (int32_t)value; |
910 |
|
else if (type.size() == 8) |
911 |
|
*(int64_t*)ptr = (int64_t)value; |
912 |
|
else |
913 |
|
assert(false /* unknown signed int type size */); |
914 |
|
} else { |
915 |
|
if (type.size() == 1) |
916 |
|
*(uint8_t*)ptr = (uint8_t)value; |
917 |
|
else if (type.size() == 2) |
918 |
|
*(uint16_t*)ptr = (uint16_t)value; |
919 |
|
else if (type.size() == 4) |
920 |
|
*(uint32_t*)ptr = (uint32_t)value; |
921 |
|
else if (type.size() == 8) |
922 |
|
*(uint64_t*)ptr = (uint64_t)value; |
923 |
|
else |
924 |
|
assert(false /* unknown unsigned int type size */); |
925 |
|
} |
926 |
|
m_isModified = true; |
927 |
|
} |
928 |
|
|
929 |
|
void Archive::setRealValue(Object& object, double value) { |
930 |
|
if (!object) return; |
931 |
|
if (!object.type().isReal()) |
932 |
|
throw Exception("Not a real data type"); |
933 |
|
Object* pObject = &object; |
934 |
|
if (object.type().isPointer()) { |
935 |
|
Object& obj = objectByUID(object.uid(1)); |
936 |
|
if (!obj) return; |
937 |
|
pObject = &obj; |
938 |
|
} |
939 |
|
const DataType& type = pObject->type(); |
940 |
|
pObject->m_data.resize(type.size()); |
941 |
|
void* ptr = &pObject->m_data[0]; |
942 |
|
if (type.size() == sizeof(float)) |
943 |
|
*(float*)ptr = (float)value; |
944 |
|
else if (type.size() == sizeof(double)) |
945 |
|
*(double*)ptr = (double)value; |
946 |
|
else |
947 |
|
assert(false /* unknown real type size */); |
948 |
|
m_isModified = true; |
949 |
|
} |
950 |
|
|
951 |
|
void Archive::setBoolValue(Object& object, bool value) { |
952 |
|
if (!object) return; |
953 |
|
if (!object.type().isBool()) |
954 |
|
throw Exception("Not a bool data type"); |
955 |
|
Object* pObject = &object; |
956 |
|
if (object.type().isPointer()) { |
957 |
|
Object& obj = objectByUID(object.uid(1)); |
958 |
|
if (!obj) return; |
959 |
|
pObject = &obj; |
960 |
|
} |
961 |
|
const DataType& type = pObject->type(); |
962 |
|
pObject->m_data.resize(type.size()); |
963 |
|
bool* ptr = (bool*)&pObject->m_data[0]; |
964 |
|
*ptr = value; |
965 |
|
m_isModified = true; |
966 |
|
} |
967 |
|
|
968 |
|
void Archive::setAutoValue(Object& object, String value) { |
969 |
|
if (!object) return; |
970 |
|
const DataType& type = object.type(); |
971 |
|
if (type.isInteger()) |
972 |
|
setIntValue(object, atoll(value.c_str())); |
973 |
|
else if (type.isReal()) |
974 |
|
setRealValue(object, atof(value.c_str())); |
975 |
|
else if (type.isBool()) |
976 |
|
setBoolValue(object, atof(value.c_str())); |
977 |
|
else if (type.isEnum()) |
978 |
|
setEnumValue(object, atoll(value.c_str())); |
979 |
|
else |
980 |
|
throw Exception("Not a primitive data type"); |
981 |
|
} |
982 |
|
|
983 |
|
String Archive::valueAsString(const Object& object) { |
984 |
|
if (!object) |
985 |
|
throw Exception("Invalid object"); |
986 |
|
if (object.type().isClass()) |
987 |
|
throw Exception("Object is class type"); |
988 |
|
const Object* pObject = &object; |
989 |
|
if (object.type().isPointer()) { |
990 |
|
const Object& obj = objectByUID(object.uid(1)); |
991 |
|
if (!obj) return ""; |
992 |
|
pObject = &obj; |
993 |
|
} |
994 |
|
return _primitiveObjectValueToString(*pObject); |
995 |
|
} |
996 |
|
|
997 |
// *************** Archive::Syncer *************** |
// *************** Archive::Syncer *************** |
998 |
// * |
// * |
999 |
|
|