Module: Jekyll::NotBlank

Defined in:
jekyll/_plugins/notblank.rb

Instance Method Summary collapse

Instance Method Details

#find_notblank(input, property1, id_property) ⇒ Object 



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# File 'jekyll/_plugins/notblank.rb', line 41

def find_notblank(input, property1, id_property)
# given input collection, return an array of all the unique values 
# for the given property1 of each object of the  input collection
# the array returned is an array of "id", "value" hashes
# where is "id" is the value of object[id_property]
# and "value" is  the value of object[property1]

 # Jekyll.logger.warn "find_notblank1"

  return input unless input.is_a?(Enumerable)
  input = input.values if input.is_a?(Hash)
  
 # Jekyll.logger.warn "Property1 #{property1} "
  
  # input.select { |object| isnotblank(item_property(item_property(object, property1)  || {}, property2 ))  }
  values = []
  input.map {|object|  
           # Jekyll.logger.warn "Object #{object[id_property]}"
            subobject = object[property1];
            idobject = object[id_property];
            if ( isnotblank(subobject))
                foundobject = Hash.new
                foundobject["id"] = idobject
                foundobject["value"] = subobject
                values.push(idobject)
            end                        
        }
   values = values.uniq
end

#find_notblank2(input, property1, property2, id_property) ⇒ Object 



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# File 'jekyll/_plugins/notblank.rb', line 72

def find_notblank2(input, property1, property2, id_property)

# given input collection of objects, in which each object has 
# a subcollection of subobjects at property1
# return an array of all the unique values found at property2 of each subobject        
# the array returned is an array of "id", "value" hashes
# where is "id" is the value of subobject[id_property]
# and "value" is  the value of subobject[property2]

  #Jekyll.logger.warn "find_notblank2"

  return input unless input.is_a?(Enumerable)
  input = input.values if input.is_a?(Hash)
  
#  Jekyll.logger.warn "Property1 #{property1} : Property2 #{property2}"
  
  # input.select { |object| isnotblank(item_property(item_property(object, property1)  || {}, property2 ))  }
  values = []
  input.map {|object|  
           # Jekyll.logger.warn "Object #{object[id_property]}"
            subobject = object[property1];
            if (subobject != nil)
                subobject = subobject.values if subobject.is_a?(Hash)
                subobject.map { |sub2object|
                    # Jekyll.logger.warn "sub2Object #{sub2object["name"]}"
                        if ( isnotblank(sub2object[property2]))
                            foundobject = Hash.new
                            foundobject["id"] = sub2object[id_property]
                            foundobject["value"] = sub2object[property2]
                            values.push(foundobject)
                        end
                }
            end
        }
   values = values.uniq
end

#isblank(input) ⇒ Object 



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# File 'jekyll/_plugins/notblank.rb', line 28

def isblank(input)
    if (input == nil) 
        return true
    end
    if (input.length == 0) 
        return true
    end
    if (input.to_s.strip.length == 0) 
        return true
    end
    return false
end

#isnotblank(input) ⇒ Object 



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# File 'jekyll/_plugins/notblank.rb', line 18

def isnotblank(input)
    if (input != nil)
        if (input.length > 0)
            if (input.to_s.strip.length > 0)
                return true
            end
        end
    end
    return false
end