Class: Erubis::Context

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 34
        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 40
        def [](key)
          return instance_variable_get("@#{key}")
        end

[]=(key, value)

[Source]

    # File erubis/context.rb, line 44
        def []=(key, value)
          return instance_variable_set("@#{key}", value)
        end

each() {|key, value| ...}

[Source]

    # File erubis/context.rb, line 52
        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 48
        def keys
          return instance_variables.collect { |name| name[1..-1] }
        end

to_hash()

[Source]

    # File erubis/context.rb, line 60
        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 66
        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]