Class: Ruby2sass::Renderer

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby2sass/renderer.rb

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ Renderer

Returns a new instance of Renderer.



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# File 'lib/ruby2sass/renderer.rb', line 5

def initialize(&block)
  @output = StringIO.new
  @indentation = 0
  @input_block = block
  @variables = {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 154

def method_missing(method_name, *args)
  property = method_name.to_s.tr('_', '-')
  value = args.first
  write_line("#{property}: #{value};")
end

Instance Method Details

#each_loop(variable, list, &block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 110

def each_loop(variable, list, &block)
  write_line("@each $#{variable} in #{list} {")
  indent
  instance_eval(&block) if block_given?
  dedent
  write_line('}')
end

#else_statement(&block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 94

def else_statement(&block)
  write_line('@else {')
  indent
  instance_eval(&block) if block_given?
  dedent
  write_line('}')
end

#extend(selector) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 82

def extend(selector)
  write_line("@extend #{selector};")
end

#for_loop(variable, from:, to:, &block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 102

def for_loop(variable, from:, to:, &block)
  write_line("@for $#{variable} from #{from} through #{to} {")
  indent
  instance_eval(&block) if block_given?
  dedent
  write_line('}')
end

#function(name, *args, &block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 126

def function(name, *args, &block)
  args_str = args.empty? ? '' : "(#{args.join(', ')})"
  write_line("@function #{name}#{args_str} {")
  indent
  instance_eval(&block) if block_given?
  dedent
  write_line('}')
end

#if_statement(condition, &block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 86

def if_statement(condition, &block)
  write_line("@if #{condition} {")
  indent
  instance_eval(&block) if block_given?
  dedent
  write_line('}')
end

#import(path) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 78

def import(path)
  write_line("@import '#{path}';")
end

#include(name, *args) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 67

def include(name, *args)
  args_str = args.empty? ? '' : "(#{args.join(', ')})"
  write_line("@include #{name}#{args_str};")
end

#keyframes(name, &block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 50

def keyframes(name, &block)
  write_line("@keyframes #{name} {")
  indent
  instance_eval(&block) if block_given?
  dedent
  write_line('}')
end

#media(*args, &block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 42

def media(*args, &block)
  write_line("@media #{args.join(' ')} {")
  indent
  instance_eval(&block) if block_given?
  dedent
  write_line('}')
end

#mixin(name, *args, &block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 58

def mixin(name, *args, &block)
  args_str = args.empty? ? '' : "(#{args.join(', ')})"
  write_line("@mixin #{name}#{args_str} {")
  indent
  instance_eval(&block) if block_given?
  dedent
  write_line('}')
end

#raw(sass_content) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 139

def raw(sass_content)
  @output << sass_content
end

#return(value) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 135

def return(value)
  write_line("@return #{value};")
end

#s(selector, &block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 30

def s(selector, &block)
  write_line("#{selector} {")
  indent
  if block.arity == 1
    block.call(SelectorContext.new(self))
  else
    instance_eval(&block)
  end
  dedent
  write_line('}')
end

#to_css(include: nil, compress: false) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 150

def to_css(include: nil, compress: false)
  Ruby2sass::CssRender.new(to_sass, include, compress).render
end

#to_sass ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 143

def to_sass
  return @sass_output if @sass_output
  instance_eval(&@input_block) if @input_block

  @sass_output = @output.string
end

#v(name, value) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 72

def v(name, value)
  @variables[name] = "$#{name}"
  write_line("$#{name}: #{value};")
  @variables[name]
end

#while_loop(condition, &block) ⇒ Object 



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# File 'lib/ruby2sass/renderer.rb', line 118

def while_loop(condition, &block)
  write_line("@while #{condition} {")
  indent
  instance_eval(&block) if block_given?
  dedent
  write_line('}')
end