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Contents
# frozen_string_literal: true
require "pakyow/support/indifferentize"
module Pakyow
module Presenter
# Parses front matter from text files.
#
# @api private
module FrontMatterParser
MATTER_MATCHER = /\A---\s*\n(.*?\n?)^---\s*$\n?/m
# Parses HTML and returns a hash of front matter info
#
def self.parse(html_string, _file = nil)
unless match = html_string.match(MATTER_MATCHER)
return Support::IndifferentHash.new
end
begin
Support::IndifferentHash.deep(YAML.load(match.captures[0]).to_h)
rescue Psych::SyntaxError => error
raise FrontMatterParsingError.build(error, context: match.captures[0])
end
end
# Returns HTML with front matter removed
#
def self.scrub(html_string)
html_string.gsub(MATTER_MATCHER, "")
end
# Parses HTML and returns:
# - a hash of front matter info
# - the HTML with front matter removed
#
def self.parse_and_scrub(html_string)
return parse(html_string), scrub(html_string)
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems