vis

a vi-like editor based on Plan 9's structural regular expressions

rhtml.lua

(533B)

      1 -- Copyright 2006-2025 Mitchell. See LICENSE.
      2 -- RHTML LPeg lexer.
      3 
      4 local lexer = lexer
      5 local P, S = lpeg.P, lpeg.S
      6 
      7 local lex = lexer.new(..., {inherit = lexer.load('html')})
      8 
      9 -- Embedded Ruby.
     10 local ruby = lexer.load('rails')
     11 local ruby_start_rule = lex:tag(lexer.PREPROCESSOR, '<%' * P('=')^-1)
     12 local ruby_end_rule = lex:tag(lexer.PREPROCESSOR, '%>')
     13 lex:embed(ruby, ruby_start_rule, ruby_end_rule)
     14 
     15 -- Fold points.
     16 lex:add_fold_point(lexer.PREPROCESSOR, '<%', '%>')
     17 
     18 lexer.property['scintillua.comment'] = '<!--|-->'
     19 
     20 return lex