Class: Inprovise::Template

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

Instance Method Summary collapse

Constructor Details

#initialize(path, context = nil) ⇒ Template

Returns a new instance of Template.



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# File 'lib/inprovise/template.rb', line 11

def initialize(path, context = nil)
  @context = context || Object.new
  @path = resolve(path)
  @template = @path.respond_to?(:call) ? Tilt['erb'].new(&@path) : Tilt.new(@path)
end

Instance Method Details

#render(locals = {}) ⇒ Object 



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# File 'lib/inprovise/template.rb', line 17

def render(locals={})
  @template.render(Inprovise::ExecutionContext::DSL.new(@context), locals)
end

#render_to(fname, *opts, &block) ⇒ Object 



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# File 'lib/inprovise/template.rb', line 21

def render_to(fname, *opts, &block)
  locals = Hash === opts.last ? opts.pop : {}
  mktmp = (opts.size) > 0 ? opts.shift : true
  tmpfile = @context.local(render_to_tempfile(locals))
  fremote = nil
  begin
    # upload to temporary file
    fremote = tmpfile.upload("#{File.basename(fname, '.*')}-#{tmpfile.hash}#{File.extname(fname)}")
    # move/rename temporary file if required
    unless mktmp && File.dirname(fname) == '.'
      fremote = fremote.move_to(mktmp ? File.dirname(fname) : fname)
    end
    if block_given?
      @context.exec(block, fremote)
      fremote.delete! if mktmp
      fremote = nil
    end
  ensure
    tmpfile.delete!
  end
  fremote
end

#render_to_tempfile(locals = {}) ⇒ Object 



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# File 'lib/inprovise/template.rb', line 44

def render_to_tempfile(locals={})
  basename = @path.respond_to?(:call) ? 'inprovise-inline-tpl' : File.basename(@path).tr('.', '-')
  file = Tempfile.new(basename)
  file.write render(locals)
  file.close
  file.path
end