/** Generate a temporary file name of format:
* TempPrefix_<#>
* where <#> is based on the current number of temporary file names
* that have been requested.
*/
FileName GenTempName() {
// Could also set this to 0, but setting it to size is a better guarantee
// that the name will be free.
unsigned int tmpidx = TempFileNames_.size();
FileName temp( TempPrefix_ + integerToString(tmpidx) );
while (tmpidx < maxtmpidx_ && Exists(temp)) {
tmpidx++;
temp = FileName( TempPrefix_ + integerToString(tmpidx) );
}
if (tmpidx >= maxtmpidx_) {
mprinterr("Internal Error: Too many temporary files. Remove files named '%s*'\n",
TempPrefix_.c_str());
return FileName();
}
return temp;
}
void test_aliases(const NameList &elements)
{
int count = elements.size();
OUTPUT << "\n\nTesting Element Topology Aliases...\n";
for (int i=0; i < count; i++) {
Ioss::ElementTopology *el_top = Ioss::ElementTopology::factory(elements[i]);
if (el_top->name() == elements[i]) {
OUTPUT << "Element: " << std::setw(20) << elements[i]
<< "(" << el_top->master_element_name() << ") has the following aliases:\n\t";
for (int j=0; j < count; j++) {
if (i != j && el_top->is_alias(elements[j])) {
OUTPUT << elements[j] << ", ";
}
}
OUTPUT << std::endl;
}
}
}
void LinkedScene::writeAttribute( const Name &name, const Object *attribute, double time )
{
if ( m_readOnly )
{
throw Exception( "No write access to scene file!" );
}
if ( name == linkAttribute )
{
bool firstTime = !m_mainScene->hasAttribute( fileNameLinkAttribute );
if ( firstTime )
{
// if it's the first time, we better check if this level already has objects, tags or children
// and raise exceptions to prevent weird configurations...
if ( m_mainScene->hasObject() )
{
throw Exception( "Links to external scenes cannot be created on locations where there's already an object saved!" );
}
NameList names;
m_mainScene->childNames( names );
if ( names.size() )
{
throw Exception( "Links to external scenes cannot be created on locations where there are already child locations!" );
}
}
// we are creating a link!
const CompoundData *d = runTimeCast< const CompoundData >(attribute);
if ( !d )
{
throw Exception( "SceneInterface:link attribute must be of type CompoundData!" );
}
// open the linked scene
int linkDepth;
ConstDoubleDataPtr timeData = d->member< const DoubleData >( g_time );
const StringData *fileName = d->member< const StringData >( g_fileName );
const InternedStringVectorData *sceneRoot = d->member< const InternedStringVectorData >( g_root );
ConstSceneInterfacePtr linkedScene = expandLink( fileName, sceneRoot, linkDepth );
if ( !linkedScene )
{
throw Exception( "Trying to store a broken link!" );
}
// get the bounds of the linked scene
const SampledSceneInterface *sampledScene = runTimeCast< const SampledSceneInterface >(linkedScene.get());
if ( sampledScene && !timeData )
{
// When there's no time remapping we get all the bounding box samples from the linked scene, using the same time.
if ( firstTime )
{
size_t bounds = sampledScene->numBoundSamples();
for ( size_t b = 0; b < bounds; b++ )
{
m_mainScene->writeBound( sampledScene->readBoundAtSample(b), sampledScene->boundSampleTime(b) );
}
}
}
else
{
/// we store just the current bounding box
if ( timeData )
{
m_mainScene->writeBound( linkedScene->readBound(timeData->readable()), time );
}
else
{
m_mainScene->writeBound( linkedScene->readBound(time), time );
}
}
if ( firstTime )
{
// save the tags from the linked file to the current location so it gets propagated to the root.
NameList tags;
// Check if the position of the file we are trying to link to, has ancestor tags.
// This situation is undesirable, as it will make LinkedScene return inconsistent ancestor tags before and after the link location.
linkedScene->readTags(tags, SceneInterface::AncestorTag );
if ( tags.size() )
{
std::string pathStr;
SceneInterface::pathToString( sceneRoot->readable(), pathStr );
msg( Msg::Warning, "LinkedScene::writeAttribute", ( boost::format( "Detected ancestor tags while creating link to file %s at location %s." ) % fileName->readable() % pathStr ).str() );
}
tags.clear();
/// copy all descendent and local tags as descendent tags (so we can distinguish from tags added in the LinkedScene)
linkedScene->readTags(tags, SceneInterface::LocalTag|SceneInterface::DescendantTag );
static_cast< SceneCache *>(m_mainScene.get())->writeTags(tags, true);
m_mainScene->writeAttribute( fileNameLinkAttribute, d->member< const StringData >( g_fileName ), time );
m_mainScene->writeAttribute( rootLinkAttribute, d->member< const InternedStringVectorData >( g_root ), time );
}
/// we keep the information this level has a link, so we can prevent attempts to
/// create children or save objects at this level.
m_atLink = true;
if( timeData )
{
m_mainScene->writeAttribute( timeLinkAttribute, timeData, time );
}
return;
}
m_mainScene->writeAttribute(name,attribute,time);
}
