Class: Serve::DynamicHandler::Parser

Inherits:

Object

• Object
• Serve::DynamicHandler::Parser

show all

Defined in:

lib/serve/handlers/dynamic_handler.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) context

  Returns the value of attribute context.

• - (Object) engine

  Returns the value of attribute engine.

• - (Object) script_extension

  Returns the value of attribute script_extension.

• - (Object) script_filename

  Returns the value of attribute script_filename.

Instance Method Summary (collapse)

• - (Parser) initialize(context) constructor

  A new instance of Parser.

• - (Object) parse_file(filename)

62
63
64
65

# File 'lib/serve/handlers/dynamic_handler.rb', line 62

def initialize(context)
  @context = context
  @context.parser = self
end

60
61
62

# File 'lib/serve/handlers/dynamic_handler.rb', line 60

def context
  @context
end

60
61
62

# File 'lib/serve/handlers/dynamic_handler.rb', line 60

def engine
  @engine
end

60
61
62

# File 'lib/serve/handlers/dynamic_handler.rb', line 60

def script_extension
  @script_extension
end

60
61
62

# File 'lib/serve/handlers/dynamic_handler.rb', line 60

def script_filename
  @script_filename
end

67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95

# File 'lib/serve/handlers/dynamic_handler.rb', line 67

def parse_file(filename)
  old_script_filename, old_script_extension, old_engine = @script_filename, @script_extension, @engine
  
  @script_filename = filename
  
  ext = File.extname(filename).sub(/^\.html\.|^\./, '').downcase
  
  if ext == 'slim' # Ugly, but works
    if Thread.list.size > 1
      warn "WARN: serve autoloading 'slim' in a non thread-safe way; " +
           "explicit require 'slim' suggested."
    end
    require 'slim'  
  end
  
  @script_extension = ext
  
  @engine = Tilt[ext].new(filename, nil, :outvar => '@_out_buf')
  
  raise "#{ext} extension not supported" if @engine.nil?
  
  @engine.render(context) do |*args|
    context.get_content_for(*args)
  end
ensure
  @script_filename = old_script_filename
  @script_extension = old_script_extension
  @engine = old_engine
end