Load the given PStore file. If
read_only is true, the unmarshalled Hash
will be returned. If read_only is false, a 3-tuple will be
returned: the unmarshalled Hash, a checksum of the
data, and the size of the data.
# File lib/pstore.rb, line 399
def load_data(file, read_only)
if read_only
begin
table = load(file)
raise Error, "PStore file seems to be corrupted." unless table.is_a?(Hash)
rescue EOFError
# This seems to be a newly-created file.
table = {}
end
table
else
data = file.read
if data.empty?
# This seems to be a newly-created file.
table = {}
checksum = empty_marshal_checksum
size = empty_marshal_data.bytesize
else
table = load(data)
checksum = CHECKSUM_ALGO.digest(data)
size = data.bytesize
raise Error, "PStore file seems to be corrupted." unless table.is_a?(Hash)
end
data.replace(EMPTY_STRING)
[table, checksum, size]
end
end
