class ActiveSupport::SafeBuffer - activesupport-4.2.3 Documentation

# class ActiveSupport::SafeBuffer

### Constants

UNSAFE_STRING_METHODS

### Public Class Methods

new(*) click to toggle source
Calls superclass method

    # File lib/active_support/core_ext/string/output_safety.rb, line 170
    def initialize(*)
      @html_safe = true
      super
    end

### Public Instance Methods

%(args) click to toggle source
Calls superclass method

    # File lib/active_support/core_ext/string/output_safety.rb, line 202
    def %(args)
      case args
      when Hash
        escaped_args = Hash[args.map { |k,arg| [k, html_escape_interpolated_argument(arg)] }]
      else
        escaped_args = Array(args).map { |arg| html_escape_interpolated_argument(arg) }
      end

      self.class.new(super(escaped_args))
    end

+(other) click to toggle source

    # File lib/active_support/core_ext/string/output_safety.rb, line 198
    def +(other)
      dup.concat(other)
    end

<<(value)
Alias for: concat
[](*args) click to toggle source
Calls superclass method

    # File lib/active_support/core_ext/string/output_safety.rb, line 147
    def [](*args)
      if args.size < 2
        super
      else
        if html_safe?
          new_safe_buffer = super

          if new_safe_buffer
            new_safe_buffer.instance_variable_set :@html_safe, true
          end

          new_safe_buffer
        else
          to_str[*args]
        end
      end
    end

clone_empty() click to toggle source

    # File lib/active_support/core_ext/string/output_safety.rb, line 180
    def clone_empty
      self[0, 0]
    end

concat(value) click to toggle source
Calls superclass method

    # File lib/active_support/core_ext/string/output_safety.rb, line 184
    def concat(value)
      super(html_escape_interpolated_argument(value))
    end

Also aliased as: original_concat, <<
encode_with(coder) click to toggle source

    # File lib/active_support/core_ext/string/output_safety.rb, line 225
    def encode_with(coder)
      coder.represent_object nil, to_str
    end

html_safe?() click to toggle source

    # File lib/active_support/core_ext/string/output_safety.rb, line 213
    def html_safe?
      defined?(@html_safe) && @html_safe
    end

initialize_copy(other) click to toggle source
Calls superclass method

    # File lib/active_support/core_ext/string/output_safety.rb, line 175
    def initialize_copy(other)
      super
      @html_safe = other.html_safe?
    end

original_concat(value)
Alias for: concat
prepend(value) click to toggle source
Calls superclass method

    # File lib/active_support/core_ext/string/output_safety.rb, line 189
    def prepend(value)
      super(html_escape_interpolated_argument(value))
    end

prepend!(value) click to toggle source

    # File lib/active_support/core_ext/string/output_safety.rb, line 193
    def prepend!(value)
      ActiveSupport::Deprecation.deprecation_warning "ActiveSupport::SafeBuffer#prepend!", :prepend
      prepend value
    end

safe_concat(value) click to toggle source

    # File lib/active_support/core_ext/string/output_safety.rb, line 165
    def safe_concat(value)
      raise SafeConcatError unless html_safe?
      original_concat(value)
    end

to_param() click to toggle source

    # File lib/active_support/core_ext/string/output_safety.rb, line 221
    def to_param
      to_str
    end

to_s() click to toggle source

    # File lib/active_support/core_ext/string/output_safety.rb, line 217
    def to_s
      self
    end

### Private Instance Methods

html_escape_interpolated_argument(arg) click to toggle source

    # File lib/active_support/core_ext/string/output_safety.rb, line 246
    def html_escape_interpolated_argument(arg)
      (!html_safe? || arg.html_safe?) ? arg :
        arg.to_s.gsub(ERB::Util::HTML_ESCAPE_REGEXP, ERB::Util::HTML_ESCAPE)
    end