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Move code to highlevel.jl #1002
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| ### High-level interface ### | ||
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||
| function h5write(filename, name::AbstractString, data; pv...) | ||
| file = h5open(filename, "cw"; pv...) | ||
| try | ||
| write(file, name, data) | ||
| finally | ||
| close(file) | ||
| end | ||
| end | ||
|
|
||
| function h5read(filename, name::AbstractString; pv...) | ||
| local dat | ||
| fapl = FileAccessProperties(; fclose_degree=:strong) | ||
| pv = setproperties!(fapl; pv...) | ||
| file = h5open(filename, "r", fapl) | ||
| try | ||
| obj = getindex(file, name; pv...) | ||
| dat = read(obj) | ||
| close(obj) | ||
| finally | ||
| close(file) | ||
| end | ||
| dat | ||
| end | ||
|
|
||
| function h5read(filename, name_type_pair::Pair{<:AbstractString,DataType}; pv...) | ||
| local dat | ||
| fapl = FileAccessProperties(; fclose_degree=:strong) | ||
| pv = setproperties!(fapl; pv...) | ||
| file = h5open(filename, "r", fapl) | ||
| try | ||
| obj = getindex(file, name_type_pair[1]; pv...) | ||
| dat = read(obj, name_type_pair[2]) | ||
| close(obj) | ||
| finally | ||
| close(file) | ||
| end | ||
| dat | ||
| end | ||
|
|
||
| function h5read( | ||
| filename, | ||
| name::AbstractString, | ||
| indices::Tuple{Vararg{Union{AbstractRange{Int},Int,Colon}}}; | ||
| pv... | ||
| ) | ||
| local dat | ||
| fapl = FileAccessProperties(; fclose_degree=:strong) | ||
| pv = setproperties!(fapl; pv...) | ||
| file = h5open(filename, "r", fapl) | ||
| try | ||
| dset = getindex(file, name; pv...) | ||
| dat = dset[indices...] | ||
| close(dset) | ||
| finally | ||
| close(file) | ||
| end | ||
| dat | ||
| end | ||
|
|
||
| function Base.getindex(parent::Union{File,Group}, path::AbstractString; pv...) | ||
| haskey(parent, path) || throw(KeyError(path)) | ||
| # Faster than below if defaults are OK | ||
| isempty(pv) && return open_object(parent, path) | ||
| obj_type = gettype(parent, path) | ||
| if obj_type == API.H5I_DATASET | ||
| dapl = DatasetAccessProperties() | ||
| dxpl = DatasetTransferProperties() | ||
| pv = setproperties!(dapl, dxpl; pv...) | ||
| isempty(pv) || error("invalid keyword options $pv") | ||
| return open_dataset(parent, path, dapl, dxpl) | ||
| elseif obj_type == API.H5I_GROUP | ||
| gapl = GroupAccessProperties(; pv...) | ||
| return open_group(parent, path, gapl) | ||
| else#if obj_type == API.H5I_DATATYPE # only remaining choice | ||
| tapl = DatatypeAccessProperties(; pv...) | ||
| return open_datatype(parent, path, tapl) | ||
| end | ||
| end | ||
|
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||
| # Assign syntax: obj[path] = value | ||
| # Create a dataset with properties: obj[path, prop = val, ...] = val | ||
| function Base.setindex!( | ||
| parent::Union{File,Group}, val, path::Union{AbstractString,Nothing}; pv... | ||
| ) | ||
| need_chunks = any(k in keys(chunked_props) for k in keys(pv)) | ||
| have_chunks = any(k == :chunk for k in keys(pv)) | ||
|
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| chunk = need_chunks ? heuristic_chunk(val) : Int[] | ||
|
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| # ignore chunked_props (== compression) for empty datasets (issue #246): | ||
| discard_chunks = need_chunks && isempty(chunk) | ||
| if discard_chunks | ||
| pv = pairs(Base.structdiff((; pv...), chunked_props)) | ||
| else | ||
| if need_chunks && !have_chunks | ||
| pv = pairs((; chunk=chunk, pv...)) | ||
| end | ||
| end | ||
| write(parent, path, val; pv...) | ||
| end | ||
|
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| ### Property manipulation ### | ||
| get_access_properties(d::Dataset) = DatasetAccessProperties(API.h5d_get_access_plist(d)) | ||
| get_access_properties(f::File) = FileAccessProperties(API.h5f_get_access_plist(f)) | ||
| get_create_properties(d::Dataset) = DatasetCreateProperties(API.h5d_get_create_plist(d)) | ||
| get_create_properties(g::Group) = GroupCreateProperties(API.h5g_get_create_plist(g)) | ||
| get_create_properties(f::File) = FileCreateProperties(API.h5f_get_create_plist(f)) | ||
| get_create_properties(a::Attribute) = AttributeCreateProperties(API.h5a_get_create_plist(a)) | ||
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On second thought why not at the end of https://github.com/JuliaIO/HDF5.jl/blob/master/src/properties.jl ? Seems more appropriate especially since that's where the
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I tried that. It does not work. We would need to move the property types up into types.
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ahh