Class: Macros4Cuke::Templating::Section
- Inherits:
-
UnaryElement
- Object
- UnaryElement
- Macros4Cuke::Templating::Section
- Defined in:
- lib/macros4cuke/templating/engine.rb
Overview
Base class used internally by the template engine.
Represents a section in a template, that is,
a set of template elements for which its rendition depends
on the value of a variable.
Direct Known Subclasses
Instance Attribute Summary collapse
-
#children ⇒ Object
readonly
The child elements of the section.
Attributes inherited from UnaryElement
Instance Method Summary collapse
-
#add_child(aChild) ⇒ Object
Add a child element as member of the section.
-
#initialize(aVarName) ⇒ Section
constructor
A new instance of Section.
-
#render(aContextObject, theLocals) ⇒ String
Render the placeholder given the passed arguments.
-
#variables ⇒ Array
Retrieve all placeholder names that appear in the template.
Constructor Details
#initialize(aVarName) ⇒ Section
Returns a new instance of Section.
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# File 'lib/macros4cuke/templating/engine.rb', line 123 def initialize(aVarName) super(aVarName) @children = [] end |
Instance Attribute Details
#children ⇒ Object (readonly)
The child elements of the section
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# File 'lib/macros4cuke/templating/engine.rb', line 120 def children @children end |
Instance Method Details
#add_child(aChild) ⇒ Object
Add a child element as member of the section
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# File 'lib/macros4cuke/templating/engine.rb', line 130 def add_child(aChild) children << aChild end |
#render(aContextObject, theLocals) ⇒ String
Render the placeholder given the passed arguments. This method has the same signature as the Engine#render method.
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# File 'lib/macros4cuke/templating/engine.rb', line 156 def render(aContextObject, theLocals) raise NotImplementedError, "Method Section::#{__method__} must be implemented in subclass(es)." end |
#variables ⇒ Array
Retrieve all placeholder names that appear in the template.
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# File 'lib/macros4cuke/templating/engine.rb', line 136 def variables() all_vars = children.each_with_object([]) do |a_child, subResult| case a_child when Placeholder subResult << a_child.name when Section subResult.concat(a_child.variables) else # Do nothing end end return all_vars.flatten.uniq end |