Sha256: 9aadea7fe14843e6fd79b1cbbe5477bf4f8c86545db5ca0544024a95b4452c55
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Versions: 9
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Stored size: 1.76 KB
Contents
require 'hamlit/concerns/attribute_builder'
require 'temple/utils'
# Hamlit::Attribute is a module to compile old-style attributes which
# can be compiled only on runtime. If you write old-style attributes
# which is not valid as Ruby hash, the attributes are compiled on runtime.
#
# Note that you should avoid writing such a template for performance.
module Hamlit
class Attribute
include Concerns::AttributeBuilder
def self.build(quote, base, attributes = {})
builder = self.new(quote)
builder.build(base, attributes)
end
def initialize(quote)
@quote = quote
end
def build(base, attributes)
result = ''
merge_attributes(base, attributes).each do |key, value|
if value == true
result += " #{key}"
next
end
value = refine_joinable_value(key, value) if value.is_a?(Array)
escaped = Temple::Utils.escape_html(value)
result += " #{key}=#{@quote}#{escaped}#{@quote}"
end
result
end
private
def refine_joinable_value(key, value)
case key
when :id
value = value.join('_')
when :class
value = value.join(' ')
else
value
end
end
def merge_attributes(base, target)
result = {}
base = flatten_attributes(base)
target = flatten_attributes(target)
(base.keys | target.keys).each do |key|
if base[key] && target[key]
case key
when :id
result[key] = [base[key], target[key]].compact.join('_')
else
result[key] = [base[key], target[key]].compact.map(&:to_s).sort.join(' ')
end
else
result[key] = base[key].nil? ? target[key] : base[key]
end
end
result
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems