90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
/*PVArray.cpp*/
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/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvDataCPP is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*/
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#include <cstddef>
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#include <cstdlib>
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#include <string>
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#include <cstdio>
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#include "pvData.h"
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#include "factory.h"
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namespace epics { namespace pvData {
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class PVArrayPvt {
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public:
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PVArrayPvt() : length(0),capacity(0),capacityMutable(true)
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{}
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int length;
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int capacity;
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bool capacityMutable;
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};
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PVArray::PVArray(PVStructure *parent,FieldConstPtr field)
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: PVField(parent,field),pImpl(new PVArrayPvt())
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{ }
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PVArray::~PVArray()
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{
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delete pImpl;
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}
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int PVArray::getLength() const {return pImpl->length;}
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int PVArray::getCapacity() const {return pImpl->capacity;}
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static String fieldImmutable("field is immutable");
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void PVArray::setLength(int length) {
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if(length==pImpl->length) return;
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if(PVField::isImmutable()) {
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PVField::message(fieldImmutable,errorMessage);
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return;
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}
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if(length>pImpl->capacity) this->setCapacity(length);
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if(length>pImpl->capacity) length = pImpl->capacity;
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pImpl->length = length;
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}
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void PVArray::setCapacityLength(int capacity,int length) {
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pImpl->capacity = capacity;
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pImpl->length = length;
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}
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bool PVArray::isCapacityMutable()
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{
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if(PVField::isImmutable()) {
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return false;
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}
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return pImpl->capacityMutable;
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}
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void PVArray::setCapacityMutable(bool isMutable)
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{
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if(isMutable && PVField::isImmutable()) {
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PVField::message(fieldImmutable,errorMessage);
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return;
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}
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pImpl->capacityMutable = isMutable;
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}
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static String capacityImmutable("capacity is immutable");
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void PVArray::setCapacity(int capacity) {
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if(PVField::isImmutable()) {
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PVField::message(fieldImmutable,errorMessage);
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return;
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}
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if(pImpl->capacityMutable==false) {
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PVField::message(capacityImmutable,errorMessage);
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return;
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}
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pImpl->capacity = capacity;
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}
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}}
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