X-Git-Url: https://git.draconx.ca/gitweb/homepage.git/blobdiff_plain/da4a13ce4868f32787813c76898cc9b39dec1bcc..4f4b3ddd920c95d380a2f25dabd4b68457bb1564:/lib/helpers.rb diff --git a/lib/helpers.rb b/lib/helpers.rb index 1b354df..7425075 100644 --- a/lib/helpers.rb +++ b/lib/helpers.rb @@ -1,6 +1,6 @@ # Nick's web site: Ruby helpers for processing # -# Copyright © 2018 Nick Bowler +# Copyright © 2018-2019 Nick Bowler # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -17,6 +17,8 @@ require 'nokogiri' +use_helper Nanoc::Helpers::Breadcrumbs + Xmlns = { 'xhtml' => 'http://www.w3.org/1999/xhtml' }.freeze @@ -51,3 +53,27 @@ def find_license(license) raise("License not defined: " + license) if !matches.length return matches.sort_by { |item| item.identifier } [0] end + +# Return the first paragraph of the given item as a string. +def item_longdesc(item) + xml = Nokogiri::XML("" + + item.compiled_content(snapshot: :rawbody) + + "") + + p = xml.xpath('//xhtml:p', Xmlns) + if p.empty? then nil else p[0].xpath('string(.)') end +end + +def human_filesize(size) + units = ["B", "KiB", "MiB", "GiB"] + + for unit in units + if (size < 1024) + break + end + + size /= 1024.0 + end + + sprintf("%.1f %s", size + 0.05, unit) +end