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require 'hamlit/attribute'
require 'hamlit/concerns/string_interpolation'
# This module compiles :runtime sexp. It is a special version of
# old-style attribute which is built on runtime.
module Hamlit
module Compilers
module RuntimeAttribute
include Concerns::StringInterpolation
# This is used for compiling only runtime attribute in Compilers::Attribute.
def on_runtime(str)
compile_runtime_attribute(str)
end
# Given html attrs, merge classes and ids to :dynamic_attribute.
def merge_runtime_attributes(attrs)
merge_targets = filter_attrs(attrs, 'id', 'class')
dynamic_attr = attrs.find { |exp, *args| exp == :runtime }
attrs -= merge_targets
attrs.delete(dynamic_attr)
base = decompile_temple_attrs(merge_targets)
[compile_runtime_attribute(dynamic_attr.last, base), *attrs]
end
private
def compile_runtime_attribute(str, base = nil)
str = str.gsub(/(\A\{|\}\Z)/, '')
quote = options[:attr_quote].inspect
code = "::Hamlit::Attribute.build(#{[quote, base, str].compact.join(', ')})"
[:dynamic, code]
end
def has_runtime_attribute?(attrs)
attrs.any? do |exp, *args|
exp == :runtime
end
end
# Given attrs in temple ast, return an attribute as hash literal.
def decompile_temple_attrs(attrs)
literal = '{'
attrs.each do |html, attr, name, (type, value)|
case type
when :static
literal += ":#{name}=>#{string_literal(value)},"
when :dynamic
literal += ":#{name}=>#{value},"
end
end
literal.gsub(/,\Z/, '') + '}'
end
end
end
end
Version data entries
39 entries across 39 versions & 1 rubygems