allow keyword args to open_group, open_dataset, open_datatype

src/datasets.jl

@@ -12,10 +12,22 @@ a file or group with `name`.
 open_dataset(
  parent::Union{File,Group},
  name::AbstractString,
- dapl::DatasetAccessProperties=DatasetAccessProperties(),
- dxpl::DatasetTransferProperties=DatasetTransferProperties()
+ dapl::DatasetAccessProperties,
+ dxpl::DatasetTransferProperties
 ) = Dataset(API.h5d_open(checkvalid(parent), name, dapl), file(parent), dxpl)
 
+function open_dataset(
+ parent::Union{File,Group},
+ name::AbstractString;
+ pv...
+)
+ dapl = DatasetAccessProperties()
+ dxpl = DatasetTransferProperties()
+ pv = setproperties!(dapl, dxpl; pv...)
+ isempty(pv) || error("invalid keyword options $(keys(pv))")
+ open_dataset(parent, name, dapl, dxpl)
+end
+
 # Setting dset creation properties with name/value pairs
 """
  create_dataset(parent, path, datatype, dataspace; properties...)

src/datatypes.jl

@@ -14,9 +14,18 @@ datatype(dt::Datatype) = dt
 open_datatype(
  parent::Union{File,Group},
  name::AbstractString,
- tapl::DatatypeAccessProperties=DatatypeAccessProperties()
+ tapl::DatatypeAccessProperties
 ) = Datatype(API.h5t_open(checkvalid(parent), name, tapl), file(parent))
 
+function open_datatype(
+ parent::Union{File,Group},
+ name::AbstractString;
+ pv...
+)
+ tapl = DatatypeAccessProperties(; pv...)
+ return open_datatype(parent, name, tapl)
+end
+
 # Note that H5Tcreate is very different; H5Tcommit is the analog of these others
 create_datatype(class_id, sz) = Datatype(API.h5t_create(class_id, sz))
 

src/groups.jl

@@ -57,10 +57,19 @@ Open an existing [`Group`](@ref) at `path` under the `parent` object.
 function open_group(
  parent::Union{File,Group},
  name::AbstractString,
- gapl::GroupAccessProperties=GroupAccessProperties()
+ gapl::GroupAccessProperties
 )
  return Group(API.h5g_open(checkvalid(parent), name, gapl), file(parent))
 end
+function open_group(
+ parent::Union{File,Group},
+ name::AbstractString;
+ pv...
+)
+ gapl = GroupAccessProperties(; pv...)
+ return open_group(parent, path, gapl)
+end
+
 
 # Get the root group
 root(h5file::File) = open_group(h5file, "/")

src/highlevel.jl

@@ -77,17 +77,11 @@ function Base.getindex(parent::Union{File,Group}, path::AbstractString; pv...)
  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)
+ return open_dataset(parent, path; pv...)
  elseif obj_type == API.H5I_GROUP
- gapl = GroupAccessProperties(; pv...)
- return open_group(parent, path, gapl)
+ return open_group(parent, path; pv...)
  else#if obj_type == API.H5I_DATATYPE # only remaining choice
- tapl = DatatypeAccessProperties(; pv...)
- return open_datatype(parent, path, tapl)
+ return open_datatype(parent, path; pv...)
  end
 end