Module: NanDoc::Filters::General::HackHelpers

Included in:
ProcessSnippet
Defined in:
lib/nandoc/filters.rb

Instance Method Summary collapse

Instance Method Details

#leading_indent(str) ⇒ Object

stand-in for ruby-2-ruby



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# File 'lib/nandoc/filters.rb', line 479

def leading_indent str
  /\A([ \t]*)/ =~ str && $1
end

#re_for_here(here) ⇒ Object 



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# File 'lib/nandoc/filters.rb', line 487

def re_for_here here
  /\A[ \t]*#{Regexp.escape(here)}[ \t]*\n?\Z/
end

#re_for_line_with_same_indent_as(str) ⇒ Object 



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# File 'lib/nandoc/filters.rb', line 482

def re_for_line_with_same_indent_as str
  ind = leading_indent(str)
  re = /\A#{Regexp.escape(ind)}(?=[^ \t])/
  re
end

#re_for_unindent_gsub(indent) ⇒ Object 



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# File 'lib/nandoc/filters.rb', line 490

def re_for_unindent_gsub indent
  re = /\A#{Regexp.escape(indent)}/
  re
end

#string_diff_assert(long, short) ⇒ Object 



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# File 'lib/nandoc/filters.rb', line 494

def string_diff_assert long, short
  idx = long.index(short) or fail("short not found in long -- "<<
  "#{short.inspect} in #{long.inspect}")
  head = long[0,idx] # usu. ''
  tail = long[idx + short.length..-1]
  head + tail
end