qint32 FiffDirTree::make_dir_tree(FiffStream* p_pStream, QList<FiffDirEntry>& p_Dir, FiffDirTree& p_Tree, qint32 start)
{
// if (p_pTree != NULL)
// delete p_pTree;
p_Tree.clear();
FiffTag::SPtr t_pTag;
qint32 block;
if(p_Dir[start].kind == FIFF_BLOCK_START)
{
FiffTag::read_tag(p_pStream, t_pTag, p_Dir[start].pos);
block = *t_pTag->toInt();
}
else
{
block = 0;
}
// qDebug() << "start { " << p_pTree->block;
qint32 current = start;
p_Tree.block = block;
p_Tree.nent = 0;
p_Tree.nchild = 0;
while (current < p_Dir.size())
{
if (p_Dir[current].kind == FIFF_BLOCK_START)
{
if (current != start)
{
FiffDirTree t_ChildTree;
current = FiffDirTree::make_dir_tree(p_pStream,p_Dir,t_ChildTree, current);
++p_Tree.nchild;
p_Tree.children.append(t_ChildTree);
}
}
else if(p_Dir[current].kind == FIFF_BLOCK_END)
{
FiffTag::read_tag(p_pStream, t_pTag, p_Dir[start].pos);
if (*t_pTag->toInt() == p_Tree.block)
break;
}
else
{
++p_Tree.nent;
p_Tree.dir.append(p_Dir[current]);
//
// Add the id information if available
//
if (block == 0)
{
if (p_Dir[current].kind == FIFF_FILE_ID)
{
FiffTag::read_tag(p_pStream, t_pTag, p_Dir[current].pos);
p_Tree.id = t_pTag->toFiffID();
}
}
else
{
if (p_Dir[current].kind == FIFF_BLOCK_ID)
{
FiffTag::read_tag(p_pStream, t_pTag, p_Dir[current].pos);
p_Tree.id = t_pTag->toFiffID();
}
else if (p_Dir[current].kind == FIFF_PARENT_BLOCK_ID)
{
FiffTag::read_tag(p_pStream, t_pTag, p_Dir[current].pos);
p_Tree.parent_id = t_pTag->toFiffID();
}
}
}
++current;
}
//
// Eliminate the empty directory
//
if(p_Tree.nent == 0)
p_Tree.dir.clear();
// qDebug() << "block =" << p_pTree->block << "nent =" << p_pTree->nent << "nchild =" << p_pTree->nchild;
// qDebug() << "end } " << block;
return current;
}
