Module: WLang::Html::HighOrderFunctions

Included in:
WLang::Html
Defined in:
lib/wlang/html.rb

Instance Method Summary collapse

Instance Method Details

#ampersand(buf, fn) ⇒ Object 



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# File 'lib/wlang/html.rb', line 41

def ampersand(buf, fn)
  val = escape_html(render(fn))
  render(val, nil, buf)
end

#bang(buf, fn) ⇒ Object 



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# File 'lib/wlang/html.rb', line 25

def bang(buf, fn)
  val = evaluate(fn).to_s
  render(val, nil, buf)
end

#caret(buf, fn_if, fn_then, fn_else) ⇒ Object 



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# File 'lib/wlang/html.rb', line 60

def caret(buf, fn_if, fn_then, fn_else)
  question(buf, fn_if, fn_else, fn_then)
end

#dollar(buf, fn) ⇒ Object 



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# File 'lib/wlang/html.rb', line 36

def dollar(buf, fn)
  val = escape_html(plus("", fn))
  render(val, nil, buf)
end

#greater(buf, fn) ⇒ Object 



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# File 'lib/wlang/html.rb', line 72

def greater(buf, fn)
  val = evaluate(fn)
  val = self.class.compile(val) if String === val
  val = val.call if Proc === val and val.arity<=0
  render(val, nil, buf)
end

#modulo(buf, fn) ⇒ Object 



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# File 'lib/wlang/html.rb', line 49

def modulo(buf, fn)
  render(fn, nil, buf)
end

#plus(buf, fn) ⇒ Object 



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# File 'lib/wlang/html.rb', line 30

def plus(buf, fn)
  val = evaluate(fn)
  val = to_html(val) unless val.is_a?(Template)
  render(val, nil, buf)
end

#question(buf, fn_if, fn_then, fn_else) ⇒ Object 



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# File 'lib/wlang/html.rb', line 53

def question(buf, fn_if, fn_then, fn_else)
  val   = evaluate(fn_if)
  val   = val.call if Proc===val
  block = val ? fn_then : fn_else
  render(block, nil, buf) if block
end

#sharp(buf, who_fn, then_fn) ⇒ Object 



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# File 'lib/wlang/html.rb', line 79

def sharp(buf, who_fn, then_fn)
  val = evaluate(who_fn, nil)
  if val and not(val.respond_to?(:empty?) and val.empty?)
    render(then_fn, val, buf)
  end
end

#slash(buf, fn) ⇒ Object 



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# File 'lib/wlang/html.rb', line 46

def slash(buf, fn)
end

#star(buf, coll_fn, elm_fn, between_fn) ⇒ Object 



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# File 'lib/wlang/html.rb', line 64

def star(buf, coll_fn, elm_fn, between_fn)
  collection = evaluate(coll_fn)
  collection.each_with_index do |elm,i|
    render(between_fn, elm, buf) if between_fn and (i > 0)
    render(elm_fn, elm, buf)
  end
end