Parent

Class Index [+]

Quicksearch

Haml::Helpers::ErrorReturn

An object that raises an error when {#to_s} is called. It’s used to raise an error when the return value of a helper is used when it shouldn’t be.

Public Class Methods

new(method) click to toggle source

@param message [String] The error message to raise when {#to_s} is called

    # File lib/haml/helpers.rb, line 12
12:       def initialize(method)
13:         @message = #{method} outputs directly to the Haml template.Disregard its return value and use the - operator,or use capture_haml to get the value as a String.
14:       end

Public Instance Methods

html_safe() click to toggle source

Any attempt to treat ErrorReturn as a string should cause it to blow up.

Alias for: to_s
html_safe!() click to toggle source
Alias for: to_s
html_safe?() click to toggle source
Alias for: to_s
inspect() click to toggle source

@return [String] A human-readable string representation

    # File lib/haml/helpers.rb, line 43
43:       def inspect
44:         "Haml::Helpers::ErrorReturn(#{@message.inspect})"
45:       end
to_s() click to toggle source

Raises an error.

@raise [Haml::Error] The error

    # File lib/haml/helpers.rb, line 23
23:       def to_s
24:         raise Haml::Error.new(@message)
25:       rescue Haml::Error => e
26:         e.backtrace.shift
27: 
28:         # If the ErrorReturn is used directly in the template,
29:         # we don't want Haml's stuff to get into the backtrace,
30:         # so we get rid of the format_script line.
31:         #
32:         # We also have to subtract one from the Haml line number
33:         # since the value is passed to format_script the line after
34:         # it's actually used.
35:         if e.backtrace.first =~ /^\(eval\):\d+:in `format_script/
36:           e.backtrace.shift
37:           e.backtrace.first.gsub!(/^\(haml\):(\d+)/) {|s| "(haml):#{$1.to_i - 1}"}
38:         end
39:         raise e
40:       end
Also aliased as: html_safe, html_safe?, html_safe!

Disabled; run with --debug to generate this.

[Validate]

Generated with the Darkfish Rdoc Generator 1.1.6.