Class: Gm::Notepad::InputHandlers::WriteToTableHandler

Inherits:
DefaultHandler
  • Object
show all
Defined in:
lib/gm/notepad/input_handlers/write_to_table_handler.rb

Constant Summary collapse

HANDLED_PREFIX = 
"<".freeze
NON_EXPANDING_CHARATER = 
'!'.freeze
WITH_INDEX_REGEXP = 
%r{(?<declaration>\[(?<index>[^\]]+)\])}
WITH_GREP_REGEXP = 
%r{(?<declaration>\/(?<grep>[^\/]+)/)}
WITH_WRITE_TARGET_REGEXP = 
%r{\A#{HANDLED_PREFIX}(?<table_name>[^:]+):(?<line>.*)}

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from DefaultHandler

build_if_handled, #initialize, #lines

Constructor Details

This class inherits a constructor from Gm::Notepad::InputHandlers::DefaultHandler

Class Method Details

.handles?(input:) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gm/notepad/input_handlers/write_to_table_handler.rb', line 8

def self.handles?(input:)
  return true if input.match(/^\</)
end

Instance Method Details

#after_initialize! ⇒ Object 



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# File 'lib/gm/notepad/input_handlers/write_to_table_handler.rb', line 16

def after_initialize!
  if match = input.match(WITH_WRITE_TARGET_REGEXP)
    input.text_to_evaluate = match[:line].strip
    table_name = match[:table_name]
    if index_match = WITH_INDEX_REGEXP.match(table_name)
      table_name = table_name.sub(index_match[:declaration], '')
      index = index_match[:index]
    elsif grep_match = WITH_GREP_REGEXP.match(table_name)
      table_name = table_name.sub(grep_match[:declaration], '')
      grep = grep_match[:grep]
    end
    table_name = table_name.downcase
  else
    raise "I don't know what to do"
  end
  if input.match(/^\!/)
    expand_line = false
    input.sub!(/^\!/, '')
  else
    expand_line = true
  end
  input.for_rendering(table_name: table_name, text: input.text_to_evaluate, to_interactive: true  , to_output: false, to_filesystem: true, expand_line: expand_line)
end