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Refactor GenericValue deep-clone constructor

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This commit is contained in:
Milo Yip 2016-10-31 18:24:17 +08:00
parent d57944fc2b
commit 95b346c3ca
1 changed files with 22 additions and 5 deletions
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27
include/rapidjson/document.h
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@ -2419,11 +2419,28 @@ inline
GenericValue<Encoding,Allocator>::GenericValue(const GenericValue<Encoding,SourceAllocator>& rhs, Allocator& allocator) GenericValue<Encoding,Allocator>::GenericValue(const GenericValue<Encoding,SourceAllocator>& rhs, Allocator& allocator)
{ {
switch (rhs.GetType()) { switch (rhs.GetType()) {
case kObjectType: case kObjectType: {
case kArrayType: { // perform deep copy via SAX Handler SizeType count = rhs.data_.o.size;
GenericDocument<Encoding,Allocator> d(&allocator); Member* lm = reinterpret_cast<Member*>(allocator.Malloc(count * sizeof(Member)));
rhs.Accept(d); const typename GenericValue<Encoding,SourceAllocator>::Member* rm = rhs.GetMembersPointer();
RawAssign(*d.stack_.template Pop<GenericValue>(1)); for (SizeType i = 0; i < count; i++) {
new (&lm[i].name) GenericValue(rm[i].name, allocator);
new (&lm[i].value) GenericValue(rm[i].value, allocator);
}
data_.f.flags = kObjectFlag;
data_.o.size = data_.o.capacity = count;
SetMembersPointer(lm);
}
break;
case kArrayType: {
SizeType count = rhs.data_.a.size;
GenericValue* le = reinterpret_cast<GenericValue*>(allocator.Malloc(count * sizeof(GenericValue)));
const GenericValue<Encoding,SourceAllocator>* re = rhs.GetElementsPointer();
for (SizeType i = 0; i < count; i++)
new (&le[i]) GenericValue(re[i], allocator);
data_.f.flags = kArrayFlag;
data_.a.size = data_.a.capacity = count;
SetElementsPointer(le);
} }
break; break;
case kStringType: case kStringType: