Class Erubis::Context
In: erubis/context.rb
Parent: Object

context object for Engine#evaluate

ex. 

  template = <<'END'
  Hello <%= @user %>!
  <% for item in @list %>
   - <%= item %>
  <% end %>
  END

  context = Erubis::Context.new(:user=>'World', :list=>['a','b','c'])
  # or
  # context = Erubis::Context.new
  # context[:user] = 'World'
  # context[:list] = ['a', 'b', 'c']

  eruby = Erubis::Eruby.new(template)
  print eruby.evaluate(context)

Methods

[]   []=   each   keys   new   to_hash   update  

Included Modules

Enumerable

Public Class methods

new(hash=nil)

[Source]

# File erubis/context.rb, line 33
    def initialize(hash=nil)
      hash.each do |name, value|
        self[name] = value
      end if hash
    end

Public Instance methods

[](key)

[Source]

# File erubis/context.rb, line 39
    def [](key)
      return instance_variable_get("@#{key}")
    end
[]=(key, value)

[Source]

# File erubis/context.rb, line 43
    def []=(key, value)
      return instance_variable_set("@#{key}", value)
    end
each() {|key, value| ...}

[Source]

# File erubis/context.rb, line 51
    def each
      instance_variables.each do |name|
        key = name[1..-1]
        value = instance_variable_get(name)
        yield(key, value)
      end
    end
keys()

[Source]

# File erubis/context.rb, line 47
    def keys
      return instance_variables.collect { |name| name[1..-1] }
    end
to_hash()

[Source]

# File erubis/context.rb, line 59
    def to_hash
      hash = {}
      self.keys.each { |key| hash[key] = self[key] }
      return hash
    end
update(context_or_hash)

[Source]

# File erubis/context.rb, line 65
    def update(context_or_hash)
      arg = context_or_hash
      if arg.is_a?(Hash)
        arg.each do |key, val|
          self[key] = val
        end
      else
        arg.instance_variables.each do |varname|
          key = varname[1..-1]
          val = arg.instance_variable_get(varname)
          self[key] = val
        end
      end
    end

[Validate]