# File lib/erubis/engine/optimized.rb, line 21
21:     def init_generator(properties={})
22:       super
23:       @escapefunc ||= "Erubis::XmlHelper.escape_xml"
24:       @initialized = false
25:       @prev_is_expr = false
26:     end

    # File lib/erubis/engine/optimized.rb, line 86
86:     def add_expr_debug(src, code)
87:       code.strip!
88:       s = (code.dump =~ /\A"(.*)"\z/) && $1
89:       src << ' $stderr.puts("*** debug: ' << s << '=#{(' << code << ').inspect}");'
90:     end

    # File lib/erubis/engine/optimized.rb, line 80
80:     def add_expr_escaped(src, code)
81:       unless @initialized; src << "_buf = ''"; @initialized = true; end
82:       switch_to_expr(src)
83:       src << " << " << escaped_expr(code)
84:     end

    # File lib/erubis/engine/optimized.rb, line 74
74:     def add_expr_literal(src, code)
75:       unless @initialized; src << "_buf = ''"; @initialized = true; end
76:       switch_to_expr(src)
77:       src << " << (" << code << ").to_s"
78:     end

    # File lib/erubis/engine/optimized.rb, line 92
92:     def add_postamble(src)
93:       #super if @initialized
94:       src << "\n_buf\n" if @initialized
95:     end

    # File lib/erubis/engine/optimized.rb, line 51
51:     def add_preamble(src)
52:       #@initialized = false
53:       #@prev_is_expr = false
54:     end

    # File lib/erubis/engine/optimized.rb, line 67
67:     def add_stmt(src, code)
68:       switch_to_stmt(src) if @initialized
69:       #super
70:       src << code
71:       src << ';' unless code[-1] == ?\n
72:     end

    # File lib/erubis/engine/optimized.rb, line 56
56:     def add_text(src, text)
57:       return if text.empty?
58:       if @initialized
59:         switch_to_expr(src)
60:         src << " << '" << escape_text(text) << "'"
61:       else
62:         src << "_buf = '" << escape_text(text) << "';"
63:         @initialized = true
64:       end
65:     end

    # File lib/erubis/engine/optimized.rb, line 30
30:     def escape_text(text)
31:       text.gsub(/['\\]/, '\\\\\&')   # "'" => "\\'",  '\\' => '\\\\'
32:     end

    # File lib/erubis/engine/optimized.rb, line 34
34:     def escaped_expr(code)
35:       @escapefunc ||= 'Erubis::XmlHelper.escape_xml'
36:       return "#{@escapefunc}(#{code})"
37:     end

    # File lib/erubis/engine/optimized.rb, line 39
39:     def switch_to_expr(src)
40:       return if @prev_is_expr
41:       @prev_is_expr = true
42:       src << ' _buf'
43:     end

    # File lib/erubis/engine/optimized.rb, line 45
45:     def switch_to_stmt(src)
46:       return unless @prev_is_expr
47:       @prev_is_expr = false
48:       src << ';'
49:     end