Class: Cakery::CakeERBContextTwoClauseHelper

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

Overview

Allow things like r.my_secret << ‘./secret, this handles the ’<<‘ part and is given ’my_secret’ as a name

Instance Method Summary collapse

Constructor Details

#initialize(erb_context, name) ⇒ CakeERBContextTwoClauseHelper

Returns a new instance of CakeERBContextTwoClauseHelper.



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# File 'lib/cakery.rb', line 47

def initialize erb_context, name
  @erb_context = erb_context
  @name = name
  @macros = []
end

Instance Method Details

#<(e) ⇒ Object 



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# File 'lib/cakery.rb', line 53

def <(e)
  vname = ('@'+@name.to_s.gsub(/=/, "")).to_sym
  out = ""

  #Append all files or it's a macro class
  if e.class == String
    out = e

    #Run through each macro and run it in the reverse
    #order that we put it in so that
    #r.var << MyMacroA << MyMacroB << "./directory" will execute first MyMacroB and then MyMacroA
    while macro = @macros.pop
      out = macro.new.process(out)
    end

    @erb_context.instance_variable_set(vname, "") unless @erb_context.instance_variable_defined?(vname)
    v = @erb_context.instance_variable_get(vname)
    out = "\n" + out unless v == ""
    v += out
    @erb_context.instance_variable_set(vname, v)
  else
    raise "< operator needs a string, you passed #{e.inspect}"
  end
end

#<<(e) ⇒ Object 



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# File 'lib/cakery.rb', line 78

def <<(e)
  vname = ('@'+@name.to_s.gsub(/=/, "")).to_sym
  out = ""

  #Append all files or it's a macro class
  if e.class == String
    fpaths = Dir[e].select{|e| File.file?(e)}
    fpaths.each do |fpath|
      out << File.read(fpath)
    end

    #Run through each macro and run it in the reverse
    #order that we put it in so that
    #r.var << MyMacroA << MyMacroB << "./directory" will execute first MyMacroB and then MyMacroA
    while macro = @macros.pop
      out = macro.new.process(out)
    end

    @erb_context.instance_variable_set(vname, "") unless @erb_context.instance_variable_defined?(vname)
    v = @erb_context.instance_variable_get(vname)
    v += out
    @erb_context.instance_variable_set(vname, v)
  else
    #Assume it's a macro, save it onto the stack
    @macros << e

    #Return self, recurse because there should be a string (or another macro)
    #to the right of this one
    return self
  end
end