Class: Def::Dictionary

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

Constant Summary collapse

STORAGE = 
"#{ENV['HOME']}/.defs"

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Dictionary

Returns a new instance of Dictionary.



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# File 'lib/def.rb', line 7

def initialize
  @db = SQLite3::Database.new(STORAGE)
  setup_db
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/def.rb', line 38

def clear
  @db.query('DROP TABLE d')
end

#define(word) ⇒ Object 



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# File 'lib/def.rb', line 12

def define(word)
  definition = get_from_history(word)
  if definition
    return highlight_word(word, definition)
  end

  definition = `curl -s dict://dict.org/d:#{word}`.split("\n")
  definition = definition.slice(4, definition.size-6)

  if definition.nil?
    "No definition found for \033[0;32m#{word}\033[0m"
  else
    definition = definition.join("\n")
    save_to_history(word, definition)
    highlight_word(word, definition)
  end
end

#get_from_history(word) ⇒ Object 



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# File 'lib/def.rb', line 46

def get_from_history(word)
  @db.get_first_value("SELECT d FROM d WHERE w = ?", word)
end

#highlight_word(word, definition) ⇒ Object 



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# File 'lib/def.rb', line 42

def highlight_word(word, definition)
  definition.gsub(/(#{word})/i, "\033[0;32m\\1\033[0m")
end

#history ⇒ Object 



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# File 'lib/def.rb', line 30

def history
  ret = ''
  @db.query('SELECT w FROM d').each do |w|
    ret += w[0].to_s + "\n"
  end
  ret
end

#save_to_history(word, definition) ⇒ Object 



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# File 'lib/def.rb', line 50

def save_to_history(word, definition)
  @db.execute('INSERT INTO d (w, d) VALUES (?, ?)', word, definition)
end

#setup_db ⇒ Object 



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# File 'lib/def.rb', line 54

def setup_db
  @db.query('CREATE TABLE IF NOT EXISTS d(w TEXT PRIMARY KEY, d TEXT NOT NULL);')
end