module ReVIEW::HTMLUtils
Constants
- ESC
Public Instance Methods
escape_comment(str)
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# File ../../../../../lib/review/htmlutils.rb, line 39 def escape_comment(str) str.gsub('-', '-') end
escape_html(str)
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# File ../../../../../lib/review/htmlutils.rb, line 20 def escape_html(str) t = ESC str.gsub(/[&"<>]/) { |c| t[c] } end
highlight(ops)
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# File ../../../../../lib/review/htmlutils.rb, line 48 def highlight(ops) if @book.config['pygments'].present? raise ReVIEW::ConfigError, %Q('pygments:' in config.yml is obsoleted.) end return ops[:body].to_s unless highlight? if @book.config['highlight']['html'] == 'pygments' highlight_pygments(ops) elsif @book.config['highlight']['html'] == 'rouge' highlight_rouge(ops) else raise ReVIEW::ConfigError, "unknown highlight method #{@book.config['highlight']['html']} in config.yml." end end
highlight?()
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# File ../../../../../lib/review/htmlutils.rb, line 43 def highlight? @book.config['highlight'] && @book.config['highlight']['html'] end
highlight_pygments(ops)
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# File ../../../../../lib/review/htmlutils.rb, line 63 def highlight_pygments(ops) body = ops[:body] || '' if @book.config['highlight'] && @book.config['highlight']['lang'] lexer = @book.config['highlight']['lang'] # default setting else lexer = 'text' end lexer = ops[:lexer] if ops[:lexer].present? format = ops[:format] || '' options = { nowrap: true, noclasses: true } if ops[:linenum] options[:nowrap] = false options[:linenos] = 'inline' end if ops[:options] && ops[:options].is_a?(Hash) options.merge!(ops[:options]) end begin require 'pygments' begin Pygments.highlight(unescape_html(body), options: options, formatter: format, lexer: lexer) rescue MentosError body end rescue LoadError body end end
highlight_rouge(ops)
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# File ../../../../../lib/review/htmlutils.rb, line 96 def highlight_rouge(ops) body = ops[:body] || '' if ops[:lexer].present? lexer = ops[:lexer] elsif @book.config['highlight'] && @book.config['highlight']['lang'] lexer = @book.config['highlight']['lang'] # default setting else lexer = 'text' end # format = ops[:format] || '' first_line_num = 1 ## default if ops[:options] && ops[:options][:linenostart] first_line_num = ops[:options][:linenostart] end require 'rouge' lexer = Rouge::Lexer.find(lexer) raise "unknown lexer #{lexer}" unless lexer formatter = Rouge::Formatters::HTML.new(css_class: 'highlight') if ops[:linenum] formatter = Rouge::Formatters::HTMLTable.new(formatter, table_class: 'highlight rouge-table', start_line: first_line_num) end raise "unknown formatter #{formatter}" unless formatter text = unescape_html(body) formatter.format(lexer.lex(text)) end
normalize_id(id)
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# File ../../../../../lib/review/htmlutils.rb, line 128 def normalize_id(id) if id =~ /\A[a-z][a-z0-9_.-]*\Z/i id elsif id =~ /\A[0-9_.-][a-z0-9_.-]*\Z/i "id_#{id}" # dummy prefix else "id_#{CGI.escape(id.gsub('_', '__')).gsub('%', '_').gsub('+', '-')}" # escape all end end
strip_html(str)
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# File ../../../../../lib/review/htmlutils.rb, line 35 def strip_html(str) str.gsub(%r{</?[^>]*>}, '') end
unescape_html(str)
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# File ../../../../../lib/review/htmlutils.rb, line 28 def unescape_html(str) # FIXME: better code str.gsub('"', '"').gsub('>', '>').gsub('<', '<').gsub('&', '&') end
Also aliased as: unescape, unescape