class Slim::EndInserter
In Slim you don't need to close any blocks:
- if Slim.awesome? | But of course it is!
However, the parser is not smart enough (and that's a good thing) to automatically insert end's where they are needed. Luckily, this filter does exactly that (and it does it well!)
@api private
Constants
- BLOCK_REGEX
- END_REGEX
Public Instance Methods
on_multi(*exps)
click to toggle source
Handle multi expression `[:multi, *exps]`
@return [Array] Corrected Temple expression with ends inserted
# File lib/slim/end_inserter.rb, line 19 def on_multi(*exps) result = [:multi] # This variable is true if the previous line was # (1) a control code and (2) contained indented content. prev_indent = false exps.each do |exp| if control?(exp) raise(Temple::FilterError, 'Explicit end statements are forbidden') if exp[2] =~ END_REGEX # Two control code in a row. If this one is *not* # an else block, we should close the previous one. append_end(result) if prev_indent && exp[2] !~ BLOCK_REGEX # Indent if the control code contains something. prev_indent = !empty_exp?(exp[3]) elsif exp[0] != :newline && prev_indent # This is *not* a control code, so we should close the previous one. # Ignores newlines because they will be inserted after each line. append_end(result) prev_indent = false end result << compile(exp) end # The last line can be a control code too. prev_indent ? append_end(result) : result end
Private Instance Methods
append_end(result)
click to toggle source
Appends an end
# File lib/slim/end_inserter.rb, line 52 def append_end(result) result << [:code, 'end'] end
control?(exp)
click to toggle source
Checks if an expression is a Slim control code
# File lib/slim/end_inserter.rb, line 57 def control?(exp) exp[0] == :slim && exp[1] == :control end