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Versions: 14
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Contents
module Internals
module Index
module File
# Index data dumped in the text format.
#
class Text < Basic
# Uses the extension "txt".
#
def extension
:txt
end
# Text files are used exclusively for
# prepared data files.
#
def load
raise "Can't load from text file. Use JSON or Marshal."
end
# Text files are used exclusively for
# prepared data files.
#
def dump hash
raise "Can't dump to text file. Use JSON or Marshal."
end
# Retrieves prepared index data in the form
# * id,data\n
# * id,data\n
# * id,data\n
#
# Yields an id string and a symbol token.
#
def retrieve
id = nil
token = nil
::File.open(cache_path, 'r:binary') do |file|
file.each_line do |line|
id, token = line.split ?,, 2
yield id, (token.chomp! || token).to_sym
end
end
end
#
#
def open_for_indexing &block
::File.open cache_path, 'w:binary', &block
end
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems