Class: OBFS::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/obfs/store.rb

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}) ⇒ Store

hash argument



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# File 'lib/obfs/store.rb', line 5

def initialize(attributes = {}) # hash argument
    @path = (attributes.keys.include? :path) ? attributes[:path] : (File.join(Dir.home, '.obfs'))
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object

regular methods



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# File 'lib/obfs/store.rb', line 11

def method_missing(m, *args, &block)

    # normalize
    method_name = m.to_s
    dataA = args[0]
    dataB = args[1]

    # prevent traversing out of dir
    raise "traversal through . and .. not allowed" if ['.', '..'].include? method_name

    # setter call
    if  method_name.end_with?('=')

        # clean up name
        method_name = method_name.gsub('=','')

        # reassign if square bracket notation
        if method_name == "[]"
            method_name = dataA
            data = dataB
        else # make sure we load the proper method_name and data
            method_name = m.to_s.gsub('=','')
            data = args[0]
        end

        # prevent traversing out of dir
        raise "traversal through . and .. not allowed" if ['.', '..'].include? method_name
            
        # write data
        if data == nil
            FileUtils.rm_rf (File.join @path, method_name)
        else
            FileUtils.rm_rf (File.join @path, method_name) if File.exist? (File.join @path, method_name)
            FileUtils.mkpath @path if !File.directory? @path
            write(@path, method_name, data)
        end
    
    # bracket notation
    elsif method_name == "[]"

        method_name = dataA.to_s.gsub(/\["/,'').gsub(/"\]/,'')

        # prevent traversing out of dir
        raise "traversal through . and .. not allowed" if ['.', '..'].include? method_name
            
        if (!File.directory? File.join(@path, method_name)) && (File.exist? File.join(@path, method_name))
            read(@path, method_name)
        else
            OBFS::Store.new({ path: File.join(@path, method_name.to_s) })
        end

    # recurse or read
    else

        # prevent traversing out of dir
        raise "traversal through . and .. not allowed" if ['.', '..'].include? method_name

        if (!File.directory? File.join(@path, method_name)) && (File.exist? File.join(@path, method_name))
            read(@path, method_name)
        else
            OBFS::Store.new({ path: File.join(@path, method_name.to_s) })
        end

    end
    
end

Instance Method Details

#_exist(term = '') ⇒ Object

searches directory contents (1 level) and returns boolean if term exist



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# File 'lib/obfs/store.rb', line 103

def _exist(term = '')
    exist_space = Dir.entries(@path).reject { |k| k != term.to_s || k == '.' || k == '..' } rescue nil
    if !exist_space.nil?
        if exist_space.length > 0
            true
        else
            false
        end
    else
        false
    end 
end

#_find(term = '', records = 1000, tolerance = 50) ⇒ Object

searches directory contents (1 level) and returns array sorted by relevance



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# File 'lib/obfs/store.rb', line 91

def _find(term = '', records = 1000, tolerance = 50)
    output = []
    search_space = Dir.entries(@path).reject { |k| k == '.' || k == '..' } rescue []
    search_space.each do |search_space_term|
        if OBFS::Levenshtein.distance(search_space_term, term) <= tolerance && OBFS::WhiteSimilarity.similarity(search_space_term, term) > 0.0
            output << search_space_term
        end
    end
    output.first(records)
end

#_index ⇒ Object

returns directory contents in an array



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# File 'lib/obfs/store.rb', line 86

def _index
    Dir.entries(@path).reject { |k| k == '.' || k == '..' } rescue nil
end

#_path ⇒ Object

returns current working path for obfs



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# File 'lib/obfs/store.rb', line 81

def _path
    @path
end