47 lines
940 B
Ruby
47 lines
940 B
Ruby
class Polecat
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class Index
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attr_reader :path
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# initialises an index object on the given path
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#
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# This method initialises an index on the path. The Path has to be a
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# directory.
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def initialize path
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if File.directory? path
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@path = path
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@buffer = ""
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else
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raise ArgumentError, "Argument no valid directory"
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end
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end
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# returns true, if it has an index
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def index_dir?
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File.exists?(@path + '/index.txt')
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end
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def write term
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@buffer += "#{term}\n"
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end
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def flush
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File.open @path + '/index.txt', 'a' do |f|
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f.write "#{@buffer}"
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f.flush
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end
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end
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def search term
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File.open @path + '/index.txt' do |f|
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linenr = 0
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matches = []
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while (line = f.gets) do
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matches << linenr if line =~ /#{term}/
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linenr += 1
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end
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matches
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end
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end
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end
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end
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