Class: NanDoc::Filters::General::ProcessSnippet

Inherits:
Object
  • Object
show all
Includes:
HackHelpers
Defined in:
lib/nandoc/filters.rb

Constant Summary collapse

ReInspect = 
/\A([ \t]*)(?:nandoc\.inspect[ \t]*)(.+)\Z/
ReOut = 
/\A[ \t]*nandoc\.out\([ \t]*<<-'?([A-Z]+)/
ReUntilDo = 
/\A[ \t]*\)[ \t]*do[ \t]*\Z/
ReHere = 
/\A(.*)(?:, ?<<-'?([A-Z]+))/
ConsumeThese = 
[:inspect, :out]

Instance Method Summary collapse

Methods included from HackHelpers

#leading_indent, #re_for_here, #re_for_line_with_same_indent_as, #re_for_unindent_gsub, #string_diff_assert

Constructor Details

#initialize(filter, sexp, idx) ⇒ ProcessSnippet

Returns a new instance of ProcessSnippet.



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# File 'lib/nandoc/filters.rb', line 506

def initialize filter, sexp, idx
  @prefix = '# => '
  sexp[idx].first == :record_ruby or fail("must be record_ruby")
  @filter, @sexp, @idx = filter, sexp, idx
end

Instance Method Details

#process ⇒ Object 



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# File 'lib/nandoc/filters.rb', line 521

def process
  j = @idx
  snip = @sexp[j][1]
  @lines = snip.file_lines.dup # we will be changing values
  @inspects = []
  while @sexp[j+1] && ConsumeThese.include?(@sexp[j+1].first)
    j += 1
    @inspects.push @sexp[j]
  end
  inspects_interpolate if @inspects.any?
  unindented_lines = @lines[snip.line_start..snip.line_stop-2]
  fake_unindented_ruby = unindented_lines.compact.join('')
  indent = /\A([ \t]*)/ =~ fake_unindented_ruby && $1
  fake_md = {:indent => indent, :content => fake_unindented_ruby}
  @filter.render_block_fence_ruby(fake_md)
  advance_by = j - @idx
  advance_by
end