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Gleam bindings to Erlang's zstd module regular.hexdocs.pm
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586-module(regular_ffi).-export([ compress/1, decompress/1, new_compression_context/0, compress_chunk/2, finish_compress_frame/2, new_decompression_context/0, decompress_chunk/2, finish_decompress_frame/2]).
-spec compress(Data :: bitstring()) -> {ok, binary()} | {error, nil}.compress(Data) -> try zstd:compress(Data) of Compressed -> {ok, iolist_to_binary(Compressed)} catch _:_ -> {error, nil} end.
-spec decompress(Data :: bitstring()) -> {ok, binary()} | {error, nil}.decompress(Data) -> try zstd:decompress(Data) of Decompressed -> {ok, iolist_to_binary(Decompressed)} catch _:_ -> {error, nil} end.
-spec new_compression_context() -> zstd:context().new_compression_context() -> {ok, Context} = zstd:context(compress), Context.
-spec compress_chunk(Context :: zstd:context(), Chunk :: bitstring()) -> {ok, {compression_finished, binary()}} | {ok, {compression_unfinished, binary(), binary()}} | {error, nil}.compress_chunk(Context, Chunk) -> try zstd:stream(Context, Chunk) of {continue, Remainder, Output} -> {ok, {compression_unfinished, Output, iolist_to_binary(Remainder)}}; {continue, Output} -> {ok, {compression_finished, Output}} catch _:_ -> {error, nil} end.
-spec finish_compress_frame(Context :: zstd:context(), Chunk :: bitstring()) -> {ok, binary()} | {error, nil}.finish_compress_frame(Context, Chunk) -> try zstd:finish(Context, Chunk) of {done, Output} -> {ok, iolist_to_binary(Output)} catch _:_ -> {error, nil} end.
-spec new_decompression_context() -> zstd:context().new_decompression_context() -> {ok, Context} = zstd:context(decompress), Context.
-spec decompress_chunk(Context :: zstd:context(), Chunk :: bitstring()) -> {ok, {decompression_finished, binary()}} | {ok, {decompression_unfinished, binary(), binary()}} | {error, nil}.decompress_chunk(Context, Chunk) -> try zstd:stream(Context, Chunk) of {continue, Remainder, Output} -> {ok, {decompression_unfinished, Output, iolist_to_binary(Remainder)}}; {continue, Output} -> {ok, {decompression_finished, Output}} catch _:_ -> {error, nil} end.
-spec finish_decompress_frame(Context :: zstd:context(), Chunk :: bitstring()) -> {ok, binary()} | {error, nil}.finish_decompress_frame(Context, Chunk) -> try zstd:finish(Context, Chunk) of {done, Output} -> {ok, iolist_to_binary(Output)} catch _:_ -> {error, nil} end.