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module Geocoder::CacheStore
class Base
def initialize(store, options)
@store = store
@config = options
@prefix = config[:prefix]
end
##
# Array of keys with the currently configured prefix
# that have non-nil values.
def keys
store.keys.select { |k| k.match(/^#{prefix}/) and self[k] }
end
##
# Array of cached URLs.
#
def urls
keys
end
protected # ----------------------------------------------------------------
def prefix; @prefix; end
def store; @store; end
def config; @config; end
##
# Cache key for a given URL.
#
def key_for(url)
if url.match(/^#{prefix}/)
url
else
[prefix, url].join
end
end
end
end
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