Class: Skim::CodeAttributes

Inherits:
Slim::Filter
  • Object
show all
Defined in:
lib/skim/code_attributes.rb

Instance Method Summary collapse

Instance Method Details

#on_html_attr(name, value) ⇒ Array

Handle attribute expression ‘[:html, :attr, name, value]`

Parameters:

  • name (String) —

    Attribute name

  • value (Array) —

    Value expression

Returns:

  • (Array) —

    Compiled temple expression



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/skim/code_attributes.rb', line 18

def on_html_attr(name, value)
  if value[0] == :slim && value[1] == :attrvalue && !options[:merge_attrs][name]
    # We handle the attribute as a boolean attribute
    escape, code = value[2], value[3]
    case code
    when 'true'
      [:html, :attr, name, [:static, name]]
    when 'false', 'null'
      [:multi]
    else
      tmp = unique_name
      [:multi,
       [:code, "#{tmp} = #{code}"],
       [:case, tmp,
        ['true', [:html, :attr, name, [:static, name]]],
        ['false, null', [:multi]],
        [:else, [:html, :attr, name, [:escape, escape, [:dynamic, tmp]]]]]]
    end
  else
    # Attribute with merging
    @attr = name
    return super
  end
end

#on_html_attrs(*attrs) ⇒ Array

Handle attributes expression ‘[:html, :attrs, *attrs]`

Parameters:

  • attrs (Array) —

    Array of temple expressions

Returns:

  • (Array) —

    Compiled temple expression



9
10
11
 
# File 'lib/skim/code_attributes.rb', line 9

def on_html_attrs(*attrs)
  [:multi, *attrs.map {|a| compile(a) }]
end

#on_slim_attrvalue(escape, code) ⇒ Array

Handle attribute expression ‘[:slim, :attrvalue, escape, code]`

Parameters:

  • escape (Boolean) —

    Escape html

  • code (String) —

    Ruby code

Returns:

  • (Array) —

    Compiled temple expression



48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
 
# File 'lib/skim/code_attributes.rb', line 48

def on_slim_attrvalue(escape, code)
  # We perform attribute merging on Array values
  if delimiter = options[:merge_attrs][@attr]
    tmp = unique_name
    [:multi,
     [:code, "#{tmp} = #{code}"],
     [:if, "@isArray(#{tmp})",
      [:multi,
       [:code, "#{tmp} = @flatten(#{tmp})"],
       [:code, "#{tmp} = item.toString() for item in #{tmp} when item"],
       [:code, "#{tmp} = item for item in #{tmp} when item.length > 0"],
       [:escape, escape, [:dynamic, "#{tmp}.join(#{delimiter.inspect})"]]],
      [:escape, escape, [:dynamic, tmp]]]]
  else
    [:escape, escape, [:dynamic, code]]
  end
end