Class: ActionView::Template::Handlers::ERB

Public Class Methods

erb_trim_mode click to toggle source

Specify trim mode for the ERB compiler. Defaults to ’-’. See ERb documentation for suitable values.

    # File lib/action_view/template/handlers/erb.rb, line 72
72:         cattr_accessor :erb_trim_mode

handles_encoding?() click to toggle source

    # File lib/action_view/template/handlers/erb.rb, line 82
82:         def self.handles_encoding?
83:           true
84:         end

Public Instance Methods

compile(template) click to toggle source

     # File lib/action_view/template/handlers/erb.rb, line 86
 86:         def compile(template)
 87:           if template.source.encoding_aware?
 88:             # First, convert to BINARY, so in case the encoding is
 89:             # wrong, we can still find an encoding tag
 90:             # (<%# encoding %>) inside the String using a regular
 91:             # expression
 92:             template_source = template.source.dup.force_encoding("BINARY")
 93: 
 94:             erb = template_source.gsub(ENCODING_TAG, '')
 95:             encoding = $2
 96: 
 97:             erb.force_encoding valid_encoding(template.source.dup, encoding)
 98: 
 99:             # Always make sure we return a String in the default_internal
100:             erb.encode!
101:           else
102:             erb = template.source.dup
103:           end
104: 
105:           self.class.erb_implementation.new(
106:             erb,
107:             :trim => (self.class.erb_trim_mode == "-")
108:           ).src
109:         end

Private Instance Methods

valid_encoding(string, encoding) click to toggle source

     # File lib/action_view/template/handlers/erb.rb, line 112
112:         def valid_encoding(string, encoding)
113:           # If a magic encoding comment was found, tag the
114:           # String with this encoding. This is for a case
115:           # where the original String was assumed to be,
116:           # for instance, UTF-8, but a magic comment
117:           # proved otherwise
118:           string.force_encoding(encoding) if encoding
119: 
120:           # If the String is valid, return the encoding we found
121:           return string.encoding if string.valid_encoding?
122: 
123:           # Otherwise, raise an exception
124:           raise WrongEncodingError.new(string, string.encoding)
125:         end

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