Class: Livetext::Handler::Mixin

Inherits:
Object
  • Object
show all
Includes:
GlobalHelpers, Livetext::Helpers
Defined in:
lib/livetext/handler/mixin.rb

Overview

Handle a .mixin

Constant Summary

Constants included from Livetext::Helpers

Livetext::Helpers::Comment, Livetext::Helpers::DollarDot, Livetext::Helpers::DotCmd, Livetext::Helpers::ESCAPING, Livetext::Helpers::Sigil, Livetext::Helpers::Space, Livetext::Helpers::TTY

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from GlobalHelpers

#check_disallowed, #check_file_exists, #cwd_root?, #grab_file, #search_upward

Methods included from Livetext::Helpers

#check_disallowed, #debug, #escape_html, #file_exists?, #find_file, #friendly_error, #get_name_data, #grab_file, #graceful_error, #handle_dollar_dot, #handle_dotcmd, #handle_scomment, #include_file, #invoke_dotcmd, #onoff, #process_file, #process_line, #read_variables, rx, #search_upward, #set_variables, #setfile, #setfile!, #setvar, #showme

Constructor Details

#initialize(name, parent) ⇒ Mixin

Livetext::Handler::Mixin



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# File 'lib/livetext/handler/mixin.rb', line 11

def initialize(name, parent)     # Livetext::Handler::Mixin
  @name = name
  @file = find_file(name, ".rb", "plugin")
  parent.graceful_error FileNotFound(name) if @file.nil?
end

Instance Attribute Details

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/livetext/handler/mixin.rb', line 9

def file
  @file
end

Class Method Details

.get_module(filename, parent) ⇒ Object 



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# File 'lib/livetext/handler/mixin.rb', line 17

def self.get_module(filename, parent)
  handler = self.new(filename, parent)
# STDERR.puts "handler was passed: #{filename}"
  modname, code = handler.read_mixin
# STDERR.puts "Modname was: #{modname}\n\n "
# STDERR.puts "Code was:\n=============\n#{code}\n==============\n "
  eval(code)   # Avoid in the future
# STDERR.puts "After eval"
  newmod = Object.const_get("::" + modname)
# STDERR.puts "After const_get"
  
  # Register functions from the mixin with the registry
  handler.register_mixin_functions(newmod, parent)
  
  newmod   # return actual module
end

Instance Method Details

#read_mixin ⇒ Object 



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# File 'lib/livetext/handler/mixin.rb', line 34

def read_mixin
  modname = @name.gsub("/","_").capitalize
  meths = grab_file(@file)  # already has .rb?
  [modname, "module ::#{modname}; #{meths}\nend"]
end

#register_mixin_functions(module_obj, parent) ⇒ Object 



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# File 'lib/livetext/handler/mixin.rb', line 40

def register_mixin_functions(module_obj, parent)
  # Get all instance methods from the module
  methods = module_obj.instance_methods(false)
  
  methods.each do |method_name|
    # Create a lambda that calls the method on the parent (Livetext instance)
    function = ->(param) do
      # Check if the method expects parameters
      method = parent.method(method_name)
      if method.parameters.empty?
        parent.send(method_name)
      else
        parent.send(method_name, param)
      end
    end
    
    # Register with the function registry
    parent.function_registry.register_user(method_name.to_s, function, source: :mixin, filename: @file)
  end
  
  # Also look for methods defined in Livetext::Functions class
  # Get all methods from Livetext::Functions
  functions_class_methods = Livetext::Functions.instance_methods(false)
  
  functions_class_methods.each do |method_name|
    # Skip methods that are already built-in (defined in the original functions.rb)
    builtin_methods = [:code_lines, :ns, :isqrt, :reverse, :date, :time, :pwd, :rand, :link, :br, :yt, :simple_format, 
                      :b, :i, :t, :s, :bi, :bt, :bs, :it, :is, :ts, :bit, :bis, :bts, :its, :bits]
    next if builtin_methods.include?(method_name)
    
    # Create a lambda that calls the method on a new Livetext::Functions instance
    function = ->(param) do
      fobj = ::Livetext::Functions.new
      # Set the Livetext instance and its variables for access in functions
      fobj.live = parent
      fobj.vars = parent.vars
      method = fobj.method(method_name)
      if method.parameters.empty?
        fobj.send(method_name)
      else
        fobj.send(method_name, param)
      end
    end
    
    # Register with the function registry
    parent.function_registry.register_user(method_name.to_s, function, source: :mixin, filename: @file)
  end
end