Class: Sass::Script::StringInterpolation
- Defined in:
- lib/sass/script/string_interpolation.rb
Overview
A SassScript object representing #{}
interpolation within a string.
Instance Attribute Summary
Attributes inherited from Node
Instance Method Summary collapse
-
#_perform(environment) ⇒ Sass::Script::String
protected
Evaluates the interpolation.
-
#children ⇒ Array<Node>
Returns the three components of the interpolation,
before
,mid
, andafter
. -
#initialize(before, mid, after) ⇒ StringInterpolation
constructor
Interpolation in a string is of the form
"before #{mid} after"
, wherebefore
andafter
may include more interpolation. -
#inspect ⇒ String
A human-readable s-expression representation of the interpolation.
- #to_sass(opts = {})
Methods inherited from Node
Constructor Details
#initialize(before, mid, after) ⇒ StringInterpolation
Interpolation in a string is of the form "before #{mid} after"
,
where before
and after
may include more interpolation.
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# File 'lib/sass/script/string_interpolation.rb', line 12
def initialize(before, mid, after)
@before = before
@mid = mid
@after = after
end
|
Instance Method Details
#_perform(environment) ⇒ Sass::Script::String (protected)
Evaluates the interpolation.
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# File 'lib/sass/script/string_interpolation.rb', line 68
def _perform(environment)
res = ""
before = @before.perform(environment)
res << before.value
mid = @mid.perform(environment)
res << (mid.is_a?(Sass::Script::String) ? mid.value : mid.to_s)
res << @after.perform(environment).value
Sass::Script::String.new(res, before.type)
end
|
#children ⇒ Array<Node>
Returns the three components of the interpolation, before
, mid
, and after
.
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# File 'lib/sass/script/string_interpolation.rb', line 58
def children
[@before, @mid, @after].compact
end
|
#inspect ⇒ String
Returns A human-readable s-expression representation of the interpolation.
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# File 'lib/sass/script/string_interpolation.rb', line 19
def inspect
"(string_interpolation #{@before.inspect} #{@mid.inspect} #{@after.inspect})"
end
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#to_sass(opts = {})
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# File 'lib/sass/script/string_interpolation.rb', line 24
def to_sass(opts = {})
# We can get rid of all of this when we remove the deprecated :equals context
before_unquote, before_quote_char, before_str = parse_str(@before.to_sass(opts))
after_unquote, after_quote_char, after_str = parse_str(@after.to_sass(opts))
unquote = before_unquote || after_unquote ||
(before_quote_char && !after_quote_char && !after_str.empty?) ||
(!before_quote_char && after_quote_char && !before_str.empty?)
quote_char =
if before_quote_char && after_quote_char && before_quote_char != after_quote_char
before_str.gsub!("\\'", "'")
before_str.gsub!('"', "\\\"")
after_str.gsub!("\\'", "'")
after_str.gsub!('"', "\\\"")
'"'
else
before_quote_char || after_quote_char
end
res = ""
res << 'unquote(' if unquote
res << quote_char if quote_char
res << before_str
res << '#{' << @mid.to_sass(opts) << '}'
res << after_str
res << quote_char if quote_char
res << ')' if unquote
res
end
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