class Tigefa::Tags::IncludeTag
Constants
- MATCHER
Public Class Methods
new(tag_name, markup, tokens)
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Calls superclass method
# File lib/tigefa/tags/include.rb, line 7 def initialize(tag_name, markup, tokens) super @file, @params = markup.strip.split(' ', 2); end
Public Instance Methods
blank?()
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# File lib/tigefa/tags/include.rb, line 84 def blank? false end
parse_params(context)
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# File lib/tigefa/tags/include.rb, line 12 def parse_params(context) validate_syntax params = {} markup = @params while match = MATCHER.match(markup) do markup = markup[match.end(0)..-1] value = if match[2] match[2].gsub(/\\"/, '"') elsif match[3] match[3].gsub(/\\'/, "'") elsif match[4] context[match[4]] end params[match[1]] = value end params end
render(context)
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# File lib/tigefa/tags/include.rb, line 51 def render(context) includes_dir = File.join(context.registers[:site].source, '_includes') if error = validate_file(includes_dir) return error end source = File.read(File.join(includes_dir, @file)) partial = Liquid::Template.parse(source) context.stack do context['include'] = parse_params(context) if @params partial.render(context) end end
validate_file(includes_dir)
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# File lib/tigefa/tags/include.rb, line 67 def validate_file(includes_dir) if File.symlink?(includes_dir) return "Includes directory '#{includes_dir}' cannot be a symlink" end if @file !~ /^[a-zA-Z0-9_\/\.-]+$/ || @file =~ /\.\// || @file =~ /\/\./ return "Include file '#{@file}' contains invalid characters or sequences" end file = File.join(includes_dir, @file) if !File.exists?(file) return "Included file #{@file} not found in _includes directory" elsif File.symlink?(file) return "The included file '_includes/#{@file}' should not be a symlink" end end
validate_syntax()
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ensure the entire markup string from start to end is valid syntax, and params are separated by spaces
# File lib/tigefa/tags/include.rb, line 35 def validate_syntax full_matcher = Regexp.compile('\A\s*(?:' + MATCHER.to_s + '(?=\s|\z)\s*)*\z') unless @params =~ full_matcher raise SyntaxError.new <<-eos Invalid syntax for include tag: #{@params} Valid syntax: {% include file.ext param='value' param2="value" %} eos end end