51 lines
929 B
C
51 lines
929 B
C
// using RNTuple = ROOT::Experimental::RNTuple;
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struct Byte_Range {
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u64 start, len;
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u64 end() const { return start + len; }
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};
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struct Page_Info_Node {
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Page_Info_Node *next;
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Byte_Range range;
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u64 n_elems;
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};
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static const Page_Info_Node invalid_pinfo {};
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struct Page_Info_Group {
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Byte_Range range;
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Page_Info_Node *first;
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};
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struct Page_Info_Chunk {
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Page_Info_Chunk *next;
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Byte_Range range;
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u64 first_group;
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};
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struct RNTuple_Data {
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struct {
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u16 epoch, major, minor, patch;
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} version;
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u64 root_file_header_size;
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u64 rblob_header_size;
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Byte_Range rng_anchor;
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Byte_Range rng_anchor_key;
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Byte_Range rng_header;
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Byte_Range rng_footer;
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Page_Info_Node *pages;
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u64 n_pages;
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// total number of elements of all pages
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u64 n_elems;
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Page_Info_Group *page_groups;
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u64 n_page_groups;
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// grouping of consecutive page groups
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Page_Info_Chunk *page_chunks;
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u64 n_page_chunks;
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};
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