COpcPackageRelationship::COpcPackageRelationship(_In_ std::wstring sID, _In_ std::wstring sType, _In_ std::wstring sTargetPartURI)
{
m_sID = sID;
m_sType = sType;
if ( sTargetPartURI.empty()) { // || (sTargetPartURI[0] != L'/')
// must not be emtpy
throw CNMRException(NMR_ERROR_INVALIDOPCPARTURI);
}
std::wstring sName = fnExtractFileName(sTargetPartURI);
if ( sName.empty() || (sName[0] == L'.') ) {
// must not be emtpy or start with a '.'
throw CNMRException(NMR_ERROR_INVALIDOPCPARTURI);
}
m_sTargetPartURI = sTargetPartURI;
}
void COpcPackageWriter::finishPackage()
{
writeContentTypes();
writeRootRelationships();
auto iIterator = m_Parts.begin();
while (iIterator != m_Parts.end()) {
POpcPackagePart pPart = *iIterator;
if (pPart->hasRelationships()) {
std::wstring sURI = pPart->getURI();
std::wstring sName = fnExtractFileName(sURI);
std::wstring sPath = sURI.substr(0, sURI.length() - sName.length());
sPath += L"_rels/";
sPath += sName;
sPath += std::wstring(L".")+PACKAGE_3D_RELS_EXTENSION;
PExportStream pStream = m_pZIPWriter->createEntry(sPath, fnGetUnixTime());
pPart->writeRelationships(pStream);
}
iIterator++;
}
}
POpcPackagePart COpcPackageReader::createPart(_In_ std::wstring sPath)
{
std::wstring sRealPath = fnRemoveLeadingPathDelimiter (sPath);
auto iPartIterator = m_Parts.find(sRealPath);
if (iPartIterator != m_Parts.end()) {
return iPartIterator->second;
}
PImportStream pStream = openZIPEntry(sRealPath);
if (pStream.get() == nullptr)
throw CNMRException(NMR_ERROR_COULDNOTCREATEOPCPART);
POpcPackagePart pPart = std::make_shared<COpcPackagePart>(sRealPath, pStream);
m_Parts.insert(std::make_pair(sRealPath, pPart));
std::wstring sRelationShipName = fnExtractFileName(sRealPath);
std::wstring sRelationShipPath = sRealPath.substr(0, sRealPath.length() - sRelationShipName.length());
sRelationShipPath += L"_rels/";
sRelationShipPath += sRelationShipName;
sRelationShipPath += L".rels";
PImportStream pRelStream = openZIPEntry(sRelationShipPath);
if (pRelStream.get() != nullptr) {
POpcPackageRelationshipReader pReader = std::make_shared<COpcPackageRelationshipReader>(pRelStream);
nfUint32 nCount = pReader->getCount();
nfUint32 nIndex;
for (nIndex = 0; nIndex < nCount; nIndex++) {
POpcPackageRelationship pRelationShip = pReader->getRelationShip(nIndex);
pPart->addRelationship(pRelationShip->getID(), pRelationShip->getType(), pRelationShip->getTargetPartURI());
}
}
return pPart;
}