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Contents
require 'json'
require 'pstore'
require 'fileutils'
# JSONStore provides the same functionality as PStore, except it uses JSON
# to dump objects instead of Marshal.
# Example use:
# store = JSONStore.new("json_store/json_test.json")
# # Write
# store.transaction { store["key"]="value" }
# # Read
# value = store.transaction { store["key"] }
# puts value # prints "value"
# # Dump the whole store
# hash = store.transaction { store.to_h }
# p hash # prints {"key" => "value"}
class JSONStore < PStore
def dump(table)
table.to_json
end
def load(content)
JSON.parse(content)
end
# Dumps the whole store to hash
# example:
# store = JSONStore.new("my_file.json")
# hash = store.transaction { store.to_h }
def to_h
@table
end
def marshal_dump_supports_canonical_option?
false
end
EMPTY_MARSHAL_DATA = {}.to_json
EMPTY_MARSHAL_CHECKSUM = Digest::MD5.digest(EMPTY_MARSHAL_DATA)
def empty_marshal_data
EMPTY_MARSHAL_DATA
end
def empty_marshal_checksum
EMPTY_MARSHAL_CHECKSUM
end
end
Version data entries
27 entries across 27 versions & 1 rubygems