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added write options

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This commit is contained in:
Erik Fröjdh 2024-03-22 14:59:12 +01:00
parent 50e606bb8b
commit 23658764a0
1 changed files with 14 additions and 3 deletions
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17
file_io/include/aare/FileInterface.h
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@ -4,10 +4,18 @@
namespace aare {
class FileInterface {
public:
FileInterface(std::filesystem::path& fname ){}; //do we need this?
// options:
// - r reading
// - w writing (overwrites existing file)
// - a appending (appends to existing file)
// TODO! do we need to support w+, r+ and a+?
FileInterface(std::filesystem::path& fname, const char* opts="r" ){};
// read the frame number on position frame_index
virtual size_t frame_number(size_t frame_index) = 0;
// write one frame
virtual void write(Frame& frame) = 0;
// write n_frames frames
virtual void write(std::vector<Frame>& frames) = 0;
// read one frame
virtual Frame read() = 0;
@ -21,6 +29,9 @@ public:
// read n_frames frame into the provided buffer
virtual void read_into(std::byte* image_buf, size_t n_frames) = 0;
// read the frame number on position frame_index
virtual size_t frame_number(size_t frame_index) = 0;
// size of one frame, important fro teh read_into function
virtual size_t bytes_per_frame() const = 0;