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Contents
# Copyright (C) 2006 Mauricio Fernandez <mfp@acm.org>
#
module FTSearch
class FulltextReader
DEFAULT_OPTIONS = {
:path => nil,
:io => nil,
}
def initialize(options = {})
options = DEFAULT_OPTIONS.merge(options)
unless options[:path] || options[:io]
raise ArgumentError, "Need either the path to the suffix array file or an IO."
end
init_internal_structures(options)
end
def get_data(offset, size)
@io.pos = offset
@io.read(size)
end
def dump_data(&block)
blocksize = 32768
@io.pos = 0
begin
size = @io.stat.size - 1
rescue NoMethodError # try with StringIO's interface
size = @io.string.size - 1
end
read = 0
#buffer = " " * blocksize
while read < size
#@io.read([size - read, blocksize].min, buffer)
#yield buffer
data = @io.read([size - read, blocksize].min)
read += data.size
yield data
end
end
private
def init_internal_structures(options)
if options[:path]
@io = File.open(options[:path], "rb")
else
@io = options[:io]
end
end
end
end # FTSearch
Version data entries
6 entries across 6 versions & 1 rubygems