2017-11-27 05:45:24 -05:00
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# frozen_string_literal: true
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2022-02-20 06:45:53 -05:00
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require 'cgi/util'
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2008-01-13 22:34:05 -05:00
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2010-04-01 03:45:16 -04:00
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##
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2012-11-26 23:28:14 -05:00
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# Outputs RDoc markup as HTML.
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2010-04-01 03:45:16 -04:00
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2008-02-09 22:59:08 -05:00
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class RDoc::Markup::ToHtml < RDoc::Markup::Formatter
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2008-01-13 22:34:05 -05:00
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2010-12-19 22:22:49 -05:00
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include RDoc::Text
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2011-02-05 01:20:57 -05:00
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# :section: Utilities
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2010-04-01 03:45:16 -04:00
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##
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# Maps RDoc::Markup::Parser::LIST_TOKENS types to HTML tags
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2008-01-13 22:34:05 -05:00
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LIST_TYPE_TO_HTML = {
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2012-11-26 23:28:14 -05:00
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:BULLET => ['<ul>', '</ul>'],
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:LABEL => ['<dl class="rdoc-list label-list">', '</dl>'],
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:LALPHA => ['<ol style="list-style-type: lower-alpha">', '</ol>'],
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:NOTE => ['<dl class="rdoc-list note-list">', '</dl>'],
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:NUMBER => ['<ol>', '</ol>'],
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:UALPHA => ['<ol style="list-style-type: upper-alpha">', '</ol>'],
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2008-01-13 22:34:05 -05:00
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}
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2010-04-01 03:45:16 -04:00
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attr_reader :res # :nodoc:
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attr_reader :in_list_entry # :nodoc:
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attr_reader :list # :nodoc:
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2008-01-13 22:34:05 -05:00
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2012-11-26 23:28:14 -05:00
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##
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# The RDoc::CodeObject HTML is being generated for. This is used to
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# generate namespaced URI fragments
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attr_accessor :code_object
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2010-12-28 17:08:56 -05:00
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##
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# Path to this document for relative links
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attr_accessor :from_path
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2011-02-05 01:20:57 -05:00
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# :section:
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2010-12-19 22:22:49 -05:00
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##
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# Creates a new formatter that will output HTML
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2012-11-26 23:28:14 -05:00
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def initialize options, markup = nil
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2010-04-01 03:45:16 -04:00
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super
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2012-11-26 23:28:14 -05:00
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@code_object = nil
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@from_path = ''
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@in_list_entry = nil
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@list = nil
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2012-11-26 23:28:14 -05:00
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@th = nil
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@hard_break = "<br>\n"
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2010-04-01 03:45:16 -04:00
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2020-04-14 06:33:45 -04:00
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init_regexp_handlings
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2010-04-01 03:45:16 -04:00
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init_tags
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end
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2018-10-17 02:28:20 -04:00
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# :section: Regexp Handling
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2011-02-05 01:20:57 -05:00
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#
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2018-10-17 02:28:20 -04:00
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# These methods are used by regexp handling markup added by RDoc::Markup#add_regexp_handling.
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2010-04-01 03:45:16 -04:00
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2020-04-14 06:33:45 -04:00
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##
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# Adds regexp handlings.
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def init_regexp_handlings
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# external links
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@markup.add_regexp_handling(/(?:link:|https?:|mailto:|ftp:|irc:|www\.)\S+\w/,
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:HYPERLINK)
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init_link_notation_regexp_handlings
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end
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##
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# Adds regexp handlings about link notations.
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def init_link_notation_regexp_handlings
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add_regexp_handling_RDOCLINK
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add_regexp_handling_TIDYLINK
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end
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2013-09-18 19:33:36 -04:00
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def handle_RDOCLINK url # :nodoc:
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case url
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when /^rdoc-ref:/
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$'
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when /^rdoc-label:/
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text = $'
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text = case text
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when /\Alabel-/ then $'
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when /\Afootmark-/ then $'
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when /\Afoottext-/ then $'
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else text
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end
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gen_url url, text
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when /^rdoc-image:/
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"<img src=\"#{$'}\">"
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else
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url =~ /\Ardoc-[a-z]+:/
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$'
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end
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end
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2012-11-26 23:28:14 -05:00
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##
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2018-10-17 02:28:20 -04:00
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# +target+ is a <code><br></code>
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2012-11-26 23:28:14 -05:00
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2018-10-17 02:28:20 -04:00
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def handle_regexp_HARD_BREAK target
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2012-11-26 23:28:14 -05:00
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'<br>'
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end
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2008-02-12 17:23:00 -05:00
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##
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2018-10-17 02:28:20 -04:00
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# +target+ is a potential link. The following schemes are handled:
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2011-02-05 01:20:57 -05:00
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#
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# <tt>mailto:</tt>::
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# Inserted as-is.
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# <tt>http:</tt>::
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# Links are checked to see if they reference an image. If so, that image
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# gets inserted using an <tt><img></tt> tag. Otherwise a conventional
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# <tt><a href></tt> is used.
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# <tt>link:</tt>::
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# Reference to a local file relative to the output directory.
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2008-02-12 17:23:00 -05:00
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2018-10-17 02:28:20 -04:00
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def handle_regexp_HYPERLINK(target)
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url = target.text
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2011-07-30 20:19:00 -04:00
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2008-02-12 17:23:00 -05:00
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gen_url url, url
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end
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2012-11-26 23:28:14 -05:00
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##
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2018-10-17 02:28:20 -04:00
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# +target+ is an rdoc-schemed link that will be converted into a hyperlink.
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2012-11-26 23:28:14 -05:00
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#
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# For the +rdoc-ref+ scheme the named reference will be returned without
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# creating a link.
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#
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# For the +rdoc-label+ scheme the footnote and label prefixes are stripped
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# when creating a link. All other contents will be linked verbatim.
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2018-10-17 02:28:20 -04:00
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def handle_regexp_RDOCLINK target
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handle_RDOCLINK target.text
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2012-11-26 23:28:14 -05:00
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end
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2008-02-12 17:23:00 -05:00
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##
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2018-10-17 02:28:20 -04:00
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# This +target+ is a link where the label is different from the URL
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2011-07-30 20:19:00 -04:00
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# <tt>label[url]</tt> or <tt>{long label}[url]</tt>
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2008-02-12 17:23:00 -05:00
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2018-10-17 02:28:20 -04:00
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def handle_regexp_TIDYLINK(target)
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text = target.text
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2008-02-12 17:23:00 -05:00
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2013-09-18 19:33:36 -04:00
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return text unless
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text =~ /^\{(.*)\}\[(.*?)\]$/ or text =~ /^(\S+)\[(.*?)\]$/
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2008-02-12 17:23:00 -05:00
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label = $1
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url = $2
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2013-09-18 19:33:36 -04:00
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label = handle_RDOCLINK label if /^rdoc-image:/ =~ label
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2008-02-12 17:23:00 -05:00
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gen_url url, label
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end
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2010-04-01 03:45:16 -04:00
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# :section: Visitor
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2011-02-05 01:20:57 -05:00
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#
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# These methods implement the HTML visitor.
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2008-01-13 22:34:05 -05:00
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2010-12-19 22:22:49 -05:00
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##
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# Prepares the visitor for HTML generation
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2008-01-13 22:34:05 -05:00
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def start_accepting
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@res = []
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@in_list_entry = []
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@list = []
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2008-01-13 22:34:05 -05:00
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end
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2010-12-19 22:22:49 -05:00
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##
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# Returns the generated output
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2008-01-13 22:34:05 -05:00
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def end_accepting
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@res.join
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2008-01-13 22:34:05 -05:00
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end
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2012-11-26 23:28:14 -05:00
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##
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# Adds +block_quote+ to the output
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def accept_block_quote block_quote
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@res << "\n<blockquote>"
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block_quote.parts.each do |part|
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part.accept self
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end
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@res << "</blockquote>\n"
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end
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2010-12-19 22:22:49 -05:00
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##
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# Adds +paragraph+ to the output
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2012-11-26 23:28:14 -05:00
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def accept_paragraph paragraph
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2010-12-19 22:22:49 -05:00
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@res << "\n<p>"
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2012-11-26 23:28:14 -05:00
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text = paragraph.text @hard_break
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2013-09-18 19:33:36 -04:00
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text = text.gsub(/\r?\n/, ' ')
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2018-10-17 02:28:20 -04:00
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@res << to_html(text)
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2010-12-19 22:22:49 -05:00
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@res << "</p>\n"
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2008-01-13 22:34:05 -05:00
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end
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2010-12-19 22:22:49 -05:00
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##
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# Adds +verbatim+ to the output
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2012-11-26 23:28:14 -05:00
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def accept_verbatim verbatim
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text = verbatim.text.rstrip
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2013-09-18 19:33:36 -04:00
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klass = nil
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2012-11-26 23:28:14 -05:00
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2013-09-18 19:33:36 -04:00
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content = if verbatim.ruby? or parseable? text then
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begin
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2018-08-26 21:30:18 -04:00
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tokens = RDoc::Parser::RipperStateLex.parse text
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2013-09-18 19:33:36 -04:00
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klass = ' class="ruby"'
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2012-11-26 23:28:14 -05:00
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2017-09-11 23:42:54 -04:00
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result = RDoc::TokenStream.to_html tokens
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result = result + "\n" unless "\n" == result[-1]
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result
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2017-10-09 22:01:00 -04:00
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rescue
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2013-09-18 19:33:36 -04:00
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CGI.escapeHTML text
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end
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else
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CGI.escapeHTML text
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2012-11-26 23:28:14 -05:00
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end
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2013-09-18 19:33:36 -04:00
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if @options.pipe then
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2017-09-11 23:42:54 -04:00
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@res << "\n<pre><code>#{CGI.escapeHTML text}\n</code></pre>\n"
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2013-09-18 19:33:36 -04:00
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else
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@res << "\n<pre#{klass}>#{content}</pre>\n"
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end
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2008-01-13 22:34:05 -05:00
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end
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2010-12-19 22:22:49 -05:00
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##
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# Adds +rule+ to the output
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2013-09-18 19:33:36 -04:00
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def accept_rule rule
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@res << "<hr>\n"
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2008-01-13 22:34:05 -05:00
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end
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2010-12-19 22:22:49 -05:00
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##
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# Prepares the visitor for consuming +list+
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2010-04-01 03:45:16 -04:00
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def accept_list_start(list)
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@list << list.type
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2010-12-19 22:22:49 -05:00
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@res << html_list_name(list.type, true)
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2008-01-13 22:34:05 -05:00
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@in_list_entry.push false
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end
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2010-12-19 22:22:49 -05:00
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##
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# Finishes consumption of +list+
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2010-04-01 03:45:16 -04:00
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def accept_list_end(list)
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@list.pop
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2008-01-13 22:34:05 -05:00
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if tag = @in_list_entry.pop
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2010-12-19 22:22:49 -05:00
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@res << tag
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2008-01-13 22:34:05 -05:00
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end
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2010-04-01 03:45:16 -04:00
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@res << html_list_name(list.type, false) << "\n"
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2008-01-13 22:34:05 -05:00
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end
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2010-12-19 22:22:49 -05:00
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##
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# Prepares the visitor for consuming +list_item+
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2010-04-01 03:45:16 -04:00
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def accept_list_item_start(list_item)
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2008-01-13 22:34:05 -05:00
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if tag = @in_list_entry.last
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2010-12-19 22:22:49 -05:00
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@res << tag
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2008-01-13 22:34:05 -05:00
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end
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2008-02-09 22:59:08 -05:00
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2010-04-01 03:45:16 -04:00
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@res << list_item_start(list_item, @list.last)
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end
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2008-02-09 22:59:08 -05:00
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2010-12-19 22:22:49 -05:00
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##
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# Finishes consumption of +list_item+
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2010-04-01 03:45:16 -04:00
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def accept_list_item_end(list_item)
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@in_list_entry[-1] = list_end_for(@list.last)
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2008-01-13 22:34:05 -05:00
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end
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2010-04-01 03:45:16 -04:00
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##
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2010-12-19 22:22:49 -05:00
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# Adds +blank_line+ to the output
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2008-01-13 22:34:05 -05:00
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2010-12-19 22:22:49 -05:00
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def accept_blank_line(blank_line)
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# @res << annotate("<p />") << "\n"
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2008-07-17 20:46:16 -04:00
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end
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2010-04-01 03:45:16 -04:00
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##
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2012-11-26 23:28:14 -05:00
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# Adds +heading+ to the output. The headings greater than 6 are trimmed to
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# level 6.
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def accept_heading heading
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level = [6, heading.level].min
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2010-04-01 03:45:16 -04:00
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2013-09-18 19:33:36 -04:00
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label = heading.label @code_object
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2012-11-26 23:28:14 -05:00
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2013-09-18 19:33:36 -04:00
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@res << if @options.output_decoration
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"\n<h#{level} id=\"#{label}\">"
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else
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"\n<h#{level}>"
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end
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2010-12-19 22:22:49 -05:00
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@res << to_html(heading.text)
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2012-12-19 22:57:08 -05:00
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unless @options.pipe then
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@res << "<span><a href=\"##{label}\">¶</a>"
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2014-12-06 20:22:37 -05:00
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@res << " <a href=\"#top\">↑</a></span>"
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2012-12-19 22:57:08 -05:00
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end
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2012-11-26 23:28:14 -05:00
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@res << "</h#{level}>\n"
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2008-07-17 20:46:16 -04:00
|
|
|
end
|
|
|
|
|
2008-01-13 22:34:05 -05:00
|
|
|
##
|
2010-12-19 22:22:49 -05:00
|
|
|
# Adds +raw+ to the output
|
2008-01-13 22:34:05 -05:00
|
|
|
|
2010-12-19 22:22:49 -05:00
|
|
|
def accept_raw raw
|
|
|
|
@res << raw.parts.join("\n")
|
2008-01-13 22:34:05 -05:00
|
|
|
end
|
|
|
|
|
2021-01-25 10:31:00 -05:00
|
|
|
##
|
|
|
|
# Adds +table+ to the output
|
|
|
|
|
|
|
|
def accept_table header, body, aligns
|
|
|
|
@res << "\n<table role=\"table\">\n<thead>\n<tr>\n"
|
|
|
|
header.zip(aligns) do |text, align|
|
|
|
|
@res << '<th'
|
|
|
|
@res << ' align="' << align << '"' if align
|
|
|
|
@res << '>' << CGI.escapeHTML(text) << "</th>\n"
|
|
|
|
end
|
|
|
|
@res << "</tr>\n</thead>\n<tbody>\n"
|
|
|
|
body.each do |row|
|
|
|
|
@res << "<tr>\n"
|
|
|
|
row.zip(aligns) do |text, align|
|
|
|
|
@res << '<td'
|
|
|
|
@res << ' align="' << align << '"' if align
|
|
|
|
@res << '>' << CGI.escapeHTML(text) << "</td>\n"
|
|
|
|
end
|
|
|
|
@res << "</tr>\n"
|
|
|
|
end
|
|
|
|
@res << "</tbody>\n</table>\n"
|
|
|
|
end
|
|
|
|
|
2011-02-05 01:20:57 -05:00
|
|
|
# :section: Utilities
|
|
|
|
|
2010-04-01 03:45:16 -04:00
|
|
|
##
|
2012-11-26 23:28:14 -05:00
|
|
|
# CGI-escapes +text+
|
2008-01-13 22:34:05 -05:00
|
|
|
|
2010-12-19 22:22:49 -05:00
|
|
|
def convert_string(text)
|
|
|
|
CGI.escapeHTML text
|
2008-01-13 22:34:05 -05:00
|
|
|
end
|
|
|
|
|
2011-02-05 01:20:57 -05:00
|
|
|
##
|
2012-11-26 23:28:14 -05:00
|
|
|
# Generate a link to +url+ with content +text+. Handles the special cases
|
2018-10-17 02:28:20 -04:00
|
|
|
# for img: and link: described under handle_regexp_HYPERLINK
|
2011-02-05 01:20:57 -05:00
|
|
|
|
2012-11-26 23:28:14 -05:00
|
|
|
def gen_url url, text
|
2012-12-16 18:07:49 -05:00
|
|
|
scheme, url, id = parse_url url
|
2011-02-05 01:20:57 -05:00
|
|
|
|
2012-12-16 18:07:49 -05:00
|
|
|
if %w[http https link].include?(scheme) and
|
2011-02-05 01:20:57 -05:00
|
|
|
url =~ /\.(gif|png|jpg|jpeg|bmp)$/ then
|
|
|
|
"<img src=\"#{url}\" />"
|
|
|
|
else
|
2021-06-30 16:39:13 -04:00
|
|
|
if scheme != 'link' and %r%\A((?!https?:)(?:[^/#]*/)*+)([^/#]+)\.(rb|rdoc|md)(?=\z|#)%i =~ url
|
2021-05-14 12:06:36 -04:00
|
|
|
url = "#$1#{$2.tr('.', '_')}_#$3.html#$'"
|
2021-03-21 01:36:57 -04:00
|
|
|
end
|
|
|
|
|
2013-09-18 19:33:36 -04:00
|
|
|
text = text.sub %r%^#{scheme}:/*%i, ''
|
|
|
|
text = text.sub %r%^[*\^](\d+)$%, '\1'
|
|
|
|
|
|
|
|
link = "<a#{id} href=\"#{url}\">#{text}</a>"
|
|
|
|
|
|
|
|
link = "<sup>#{link}</sup>" if /"foot/ =~ id
|
|
|
|
|
|
|
|
link
|
2011-02-05 01:20:57 -05:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2010-04-01 03:45:16 -04:00
|
|
|
##
|
2010-12-19 22:22:49 -05:00
|
|
|
# Determines the HTML list element for +list_type+ and +open_tag+
|
2008-01-13 22:34:05 -05:00
|
|
|
|
2010-04-01 03:45:16 -04:00
|
|
|
def html_list_name(list_type, open_tag)
|
2010-04-02 00:40:47 -04:00
|
|
|
tags = LIST_TYPE_TO_HTML[list_type]
|
2010-04-01 03:45:16 -04:00
|
|
|
raise RDoc::Error, "Invalid list type: #{list_type.inspect}" unless tags
|
2010-12-19 22:22:49 -05:00
|
|
|
tags[open_tag ? 0 : 1]
|
2010-04-01 03:45:16 -04:00
|
|
|
end
|
2008-01-13 22:34:05 -05:00
|
|
|
|
2011-02-05 01:20:57 -05:00
|
|
|
##
|
|
|
|
# Maps attributes to HTML tags
|
|
|
|
|
|
|
|
def init_tags
|
2012-11-26 23:28:14 -05:00
|
|
|
add_tag :BOLD, "<strong>", "</strong>"
|
|
|
|
add_tag :TT, "<code>", "</code>"
|
|
|
|
add_tag :EM, "<em>", "</em>"
|
2011-02-05 01:20:57 -05:00
|
|
|
end
|
|
|
|
|
2010-04-01 03:45:16 -04:00
|
|
|
##
|
2010-12-19 22:22:49 -05:00
|
|
|
# Returns the HTML tag for +list_type+, possible using a label from
|
|
|
|
# +list_item+
|
2008-01-13 22:34:05 -05:00
|
|
|
|
2010-04-01 03:45:16 -04:00
|
|
|
def list_item_start(list_item, list_type)
|
|
|
|
case list_type
|
|
|
|
when :BULLET, :LALPHA, :NUMBER, :UALPHA then
|
2010-12-19 22:22:49 -05:00
|
|
|
"<li>"
|
2012-11-26 23:28:14 -05:00
|
|
|
when :LABEL, :NOTE then
|
|
|
|
Array(list_item.label).map do |label|
|
|
|
|
"<dt>#{to_html label}\n"
|
|
|
|
end.join << "<dd>"
|
2008-01-13 22:34:05 -05:00
|
|
|
else
|
2010-04-01 03:45:16 -04:00
|
|
|
raise RDoc::Error, "Invalid list type: #{list_type.inspect}"
|
2008-01-13 22:34:05 -05:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2010-04-01 03:45:16 -04:00
|
|
|
##
|
2010-12-19 22:22:49 -05:00
|
|
|
# Returns the HTML end-tag for +list_type+
|
2010-04-01 03:45:16 -04:00
|
|
|
|
|
|
|
def list_end_for(list_type)
|
|
|
|
case list_type
|
|
|
|
when :BULLET, :LALPHA, :NUMBER, :UALPHA then
|
2008-01-13 22:34:05 -05:00
|
|
|
"</li>"
|
2012-11-26 23:28:14 -05:00
|
|
|
when :LABEL, :NOTE then
|
2008-01-13 22:34:05 -05:00
|
|
|
"</dd>"
|
|
|
|
else
|
2010-04-01 03:45:16 -04:00
|
|
|
raise RDoc::Error, "Invalid list type: #{list_type.inspect}"
|
2008-01-13 22:34:05 -05:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2012-11-26 23:28:14 -05:00
|
|
|
##
|
2014-12-06 20:22:37 -05:00
|
|
|
# Returns true if text is valid ruby syntax
|
2012-11-26 23:28:14 -05:00
|
|
|
|
|
|
|
def parseable? text
|
2017-02-05 21:35:48 -05:00
|
|
|
verbose, $VERBOSE = $VERBOSE, nil
|
2014-12-06 20:22:37 -05:00
|
|
|
eval("BEGIN {return true}\n#{text}")
|
|
|
|
rescue SyntaxError
|
|
|
|
false
|
2017-02-05 21:35:48 -05:00
|
|
|
ensure
|
|
|
|
$VERBOSE = verbose
|
2012-11-26 23:28:14 -05:00
|
|
|
end
|
|
|
|
|
2010-12-19 22:22:49 -05:00
|
|
|
##
|
|
|
|
# Converts +item+ to HTML using RDoc::Text#to_html
|
|
|
|
|
|
|
|
def to_html item
|
|
|
|
super convert_flow @am.flow item
|
|
|
|
end
|
|
|
|
|
2008-01-13 22:34:05 -05:00
|
|
|
end
|
|
|
|
|