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 77
77:         cattr_accessor :erb_trim_mode

handles_encoding?() click to toggle source

    # File lib/action_view/template/handlers/erb.rb, line 87
87:         def self.handles_encoding?
88:           true
89:         end

Public Instance Methods

compile(template) click to toggle source

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

Private Instance Methods

valid_encoding(string, encoding) click to toggle source

     # File lib/action_view/template/handlers/erb.rb, line 117
117:         def valid_encoding(string, encoding)
118:           # If a magic encoding comment was found, tag the
119:           # String with this encoding. This is for a case
120:           # where the original String was assumed to be,
121:           # for instance, UTF-8, but a magic comment
122:           # proved otherwise
123:           string.force_encoding(encoding) if encoding
124: 
125:           # If the String is valid, return the encoding we found
126:           return string.encoding if string.valid_encoding?
127: 
128:           # Otherwise, raise an exception
129:           raise WrongEncodingError.new(string, string.encoding)
130:         end

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