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Versions: 39
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Contents
# frozen_string_literal: false
require 'haml/helpers'
# There are only helpers that depend on ActionView internals.
module Haml
module RailsHelpers
include Helpers
extend self
DEFAULT_PRESERVE_TAGS = %w[textarea pre code].freeze
def find_and_preserve(input = nil, tags = DEFAULT_PRESERVE_TAGS, &block)
return find_and_preserve(capture_haml(&block), input || tags) if block
tags = tags.each_with_object('') do |t, s|
s << '|' unless s.empty?
s << Regexp.escape(t)
end
re = /<(#{tags})([^>]*)>(.*?)(<\/\1>)/im
input.to_s.gsub(re) do |s|
s =~ re # Can't rely on $1, etc. existing since Rails' SafeBuffer#gsub is incompatible
"<#{$1}#{$2}>#{preserve($3)}</#{$1}>"
end
end
def preserve(input = nil, &block)
return preserve(capture_haml(&block)) if block
super.html_safe
end
def surround(front, back = front, &block)
output = capture_haml(&block)
front = escape_once(front) unless front.html_safe?
back = escape_once(back) unless back.html_safe?
"#{front}#{output.chomp}#{back}\n".html_safe
end
def precede(str, &block)
str = escape_once(str) unless str.html_safe?
"#{str}#{capture_haml(&block).chomp}\n".html_safe
end
def succeed(str, &block)
str = escape_once(str) unless str.html_safe?
"#{capture_haml(&block).chomp}#{str}\n".html_safe
end
def capture_haml(*args, &block)
capture(*args, &block)
end
end
end
Version data entries
39 entries across 39 versions & 1 rubygems