Class: Outil::OCS::Index

Inherits:
Object
  • Object
show all
Defined in:
lib/outil/ocs/index.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Index

Returns a new instance of Index.



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# File 'lib/outil/ocs/index.rb', line 7

def initialize params={}
  @path = params[:path]
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/outil/ocs/index.rb', line 5

def path
  @path
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/outil/ocs/index.rb', line 45

def all
  indexed_names.map do |name|
    read name
  end
end

#append(name, ast) ⇒ Object 



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# File 'lib/outil/ocs/index.rb', line 15

def append name, ast
  write_serialize name, ast
  update_index name
end

#hard_reset! ⇒ Object 



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# File 'lib/outil/ocs/index.rb', line 57

def hard_reset!
  Dir["#{@path}/*.ast"].each do |path| 
    File.delete path
  end
  File.open(index_path, 'w+') do |file|
    file.write String.new
  end
end

#index_path ⇒ Object 



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# File 'lib/outil/ocs/index.rb', line 11

def index_path
  @index_path ||= "#{@path}/index"
end

#indexed_names ⇒ Object 



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# File 'lib/outil/ocs/index.rb', line 26

def indexed_names
  File.open(index_path, 'r') do |f|
    f.read.split(/\n/)
  end.map(&:strip)
end

#read(name) ⇒ Object 



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# File 'lib/outil/ocs/index.rb', line 39

def read(name)
  File.open("#{@path}/#{name}.ast", 'r') do |file|
      YAML.load(file.read)
  end
end

#read_exec(name) ⇒ Object 



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# File 'lib/outil/ocs/index.rb', line 51

def read_exec(name)
  instance_eval <<-RUBY_EVAL
    #{Unparser.unparse(read(name))}
  RUBY_EVAL
end

#update_index(name) ⇒ Object 



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# File 'lib/outil/ocs/index.rb', line 32

def update_index name
  return if indexed_names.include?(name.to_s)
  File.open(index_path, 'a') do |file|
    file.write name.to_s << "\n"
  end
end

#write_serialize(name, ast) ⇒ Object 



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# File 'lib/outil/ocs/index.rb', line 20

def write_serialize name, ast
  File.open("#{@path}/#{name}.ast", 'w+') do |file|
      file.write ast.to_yaml
  end
end