epics/pvData
0
0
Fork 0
Code Issues Pull Requests Projects Wiki Activity

support UnionArray

Browse Source
This commit is contained in:
Marty Kraimer
2014-06-12 15:26:31 -04:00
parent 6ec207141f
commit 879e3a2b67
1 changed files with 42 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
src/factory/pvSubArrayCopy.cpp
View File

@@ -164,7 +164,7 @@ void copy(
if(pvFromStride<1 || toStride<1) throw std::invalid_argument("stride must be >=1");
StructureArrayConstPtr pvFromStructure = pvFrom.getStructureArray();
StructureArrayConstPtr toStructure = pvTo.getStructureArray();
if(pvFromStructure!=toStructure) {
if(pvFromStructure->getStructure()!=toStructure->getStructure()) {
throw std::invalid_argument(
"pvSubArrayCopy structureArray pvTo and pvFrom have different structures");
}
@@ -185,6 +185,42 @@ void copy(
pvTo.replace(temp2);
}
void copy(
PVUnionArray & pvFrom,
size_t pvFromOffset,
size_t pvFromStride,
PVUnionArray & pvTo,
size_t toOffset,
size_t toStride,
size_t count)
{
if(pvTo.isImmutable()) {
throw std::logic_error("pvSubArrayCopy pvTo is immutable");
}
if(pvFromStride<1 || toStride<1) throw std::invalid_argument("stride must be >=1");
UnionArrayConstPtr pvFromUnion = pvFrom.getUnionArray();
UnionArrayConstPtr toUnion = pvTo.getUnionArray();
if(pvFromUnion->getUnion()!=toUnion->getUnion()) {
throw std::invalid_argument(
"pvSubArrayCopy unionArray pvTo and pvFrom have different unions");
}
size_t pvFromLength = pvFrom.getLength();
size_t num = pvFromOffset + count*pvFromStride;
if(num>pvFromLength) throw std::invalid_argument("pvSubArrayCopy pvFrom length error");
size_t newLength = toOffset + count*toStride;
size_t capacity = pvTo.getCapacity();
if(newLength>capacity) capacity = newLength;
shared_vector<PVUnionPtr> temp(capacity);
PVValueArray<PVUnionPtr>::const_svector vecFrom = pvFrom.view();
PVValueArray<PVUnionPtr>::const_svector vecTo = pvTo.view();
for(size_t i=0; i<pvTo.getLength(); ++i) temp[i] = vecTo[i];
for(size_t i=pvTo.getLength(); i< capacity; ++i)
temp[i] = getPVDataCreate()->createPVUnion(toUnion->getUnion());
for(size_t i=0; i<count; ++i) temp[i*toStride + toOffset] = vecFrom[i*pvFromStride+pvFromOffset];
shared_vector<const PVUnionPtr> temp2(freeze(temp));
pvTo.replace(temp2);
}
void copy(
PVArray & pvFrom,
size_t pvFromOffset,
@@ -215,6 +251,11 @@ void copy(
dynamic_cast<PVStructureArray&>(pvTo),
pvToOffset,pvToStride,count);
}
if(pvFromType==unionArray) {
copy(dynamic_cast<PVUnionArray &>(pvFrom) ,pvFromOffset,pvFromStride,
dynamic_cast<PVUnionArray&>(pvTo),
pvToOffset,pvToStride,count);
}
}
void copy(