diff options
Diffstat (limited to 'lib/rdoc/markup/to_html.rb')
| -rw-r--r-- | lib/rdoc/markup/to_html.rb | 178 |
1 files changed, 138 insertions, 40 deletions
diff --git a/lib/rdoc/markup/to_html.rb b/lib/rdoc/markup/to_html.rb index bd5fdb493e..9cd94a5945 100644 --- a/lib/rdoc/markup/to_html.rb +++ b/lib/rdoc/markup/to_html.rb @@ -1,10 +1,7 @@ -require 'rdoc/markup/formatter' -require 'rdoc/markup/inline' - require 'cgi' ## -# Outputs RDoc markup as HTML +# Outputs RDoc markup as HTML. class RDoc::Markup::ToHtml < RDoc::Markup::Formatter @@ -16,12 +13,12 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter # Maps RDoc::Markup::Parser::LIST_TOKENS types to HTML tags LIST_TYPE_TO_HTML = { - :BULLET => ['<ul>', '</ul>'], - :LABEL => ['<dl class="rdoc-list">', '</dl>'], - :LALPHA => ['<ol style="display: lower-alpha">', '</ol>'], - :NOTE => ['<table class="rdoc-list">', '</table>'], - :NUMBER => ['<ol>', '</ol>'], - :UALPHA => ['<ol style="display: upper-alpha">', '</ol>'], + :BULLET => ['<ul>', '</ul>'], + :LABEL => ['<dl class="rdoc-list label-list">', '</dl>'], + :LALPHA => ['<ol style="list-style-type: lower-alpha">', '</ol>'], + :NOTE => ['<dl class="rdoc-list note-list">', '</dl>'], + :NUMBER => ['<ol>', '</ol>'], + :UALPHA => ['<ol style="list-style-type: upper-alpha">', '</ol>'], } attr_reader :res # :nodoc: @@ -29,6 +26,12 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter attr_reader :list # :nodoc: ## + # The RDoc::CodeObject HTML is being generated for. This is used to + # generate namespaced URI fragments + + attr_accessor :code_object + + ## # Path to this document for relative links attr_accessor :from_path @@ -62,19 +65,31 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter ## # Creates a new formatter that will output HTML - def initialize markup = nil + def initialize options, markup = nil super - @th = nil + @code_object = nil + @from_path = '' @in_list_entry = nil @list = nil - @from_path = '' + @th = nil + @hard_break = "<br>\n" # external links - @markup.add_special(/((link:|https?:|mailto:|ftp:|www\.)\S+\w)/, :HYPERLINK) + @markup.add_special(/(?:link:|https?:|mailto:|ftp:|irc:|www\.)\S+\w/, + :HYPERLINK) + + # internal links + @markup.add_special(/rdoc-[a-z]+:\S+/, :RDOCLINK) # and links of the form <text>[<url>] - @markup.add_special(/(((\{.*?\})|\b\S+?)\[\S+?\])/, :TIDYLINK) + @markup.add_special(/(?: + \{.*?\} | # multi-word label + \b[^\s{}]+? # single-word label + ) + + \[\S+?\] # link target + /x, :TIDYLINK) init_tags end @@ -84,6 +99,13 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter # These methods handle special markup added by RDoc::Markup#add_special. ## + # +special+ is a <code><br></code> + + def handle_special_HARD_BREAK special + '<br>' + end + + ## # +special+ is a potential link. The following schemes are handled: # # <tt>mailto:</tt>:: @@ -102,6 +124,39 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter end ## + # +special+ is an rdoc-schemed link that will be converted into a hyperlink. + # + # For the +rdoc-ref+ scheme the named reference will be returned without + # creating a link. + # + # For the +rdoc-label+ scheme the footnote and label prefixes are stripped + # when creating a link. All other contents will be linked verbatim. + + def handle_special_RDOCLINK special + url = special.text + + case url + when /\Ardoc-ref:/ + $' + when /\Ardoc-label:/ + text = $' + + text = case text + when /\Alabel-/ then $' + when /\Afootmark-/ then "^#{$'}" + when /\Afoottext-/ then "*#{$'}" + else text + end + + gen_url url, text + else + url =~ /\Ardoc-[a-z]+:/ + + $' + end + end + + ## # This +special+ is a link where the label is different from the URL # <tt>label[url]</tt> or <tt>{long label}[url]</tt> @@ -136,21 +191,47 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter end ## + # Adds +block_quote+ to the output + + def accept_block_quote block_quote + @res << "\n<blockquote>" + + block_quote.parts.each do |part| + part.accept self + end + + @res << "</blockquote>\n" + end + + ## # Adds +paragraph+ to the output - def accept_paragraph(paragraph) + def accept_paragraph paragraph @res << "\n<p>" - @res << wrap(to_html(paragraph.text)) + text = paragraph.text @hard_break + @res << wrap(to_html(text)) @res << "</p>\n" end ## # Adds +verbatim+ to the output - def accept_verbatim(verbatim) - @res << "\n<pre>" - @res << CGI.escapeHTML(verbatim.text.rstrip) - @res << "</pre>\n" + def accept_verbatim verbatim + text = verbatim.text.rstrip + + @res << if verbatim.ruby? or parseable? text then + begin + tokens = RDoc::RubyLex.tokenize text, @options + + html = RDoc::TokenStream.to_html tokens + + "\n<pre class=\"ruby\">#{html}</pre>\n" + rescue RDoc::RubyLex::Error + "\n<pre>#{CGI.escapeHTML text}</pre>\n" + end + else + "\n<pre>#{CGI.escapeHTML text}</pre>\n" + end end ## @@ -208,12 +289,19 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter end ## - # Adds +heading+ to the output + # Adds +heading+ to the output. The headings greater than 6 are trimmed to + # level 6. + + def accept_heading heading + level = [6, heading.level].min - def accept_heading(heading) - @res << "\n<h#{heading.level}>" + label = heading.aref + label = [@code_object.aref, label].compact.join '-' if + @code_object and @code_object.respond_to? :aref + + @res << "\n<h#{level} id=\"#{label}\">" @res << to_html(heading.text) - @res << "</h#{heading.level}>\n" + @res << "</h#{level}>\n" end ## @@ -226,18 +314,22 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter # :section: Utilities ## - # CGI escapes +text+ + # CGI-escapes +text+ def convert_string(text) CGI.escapeHTML text end ## - # Generate a link for +url+, labeled with +text+. Handles the special cases + # Generate a link to +url+ with content +text+. Handles the special cases # for img: and link: described under handle_special_HYPERLINK - def gen_url(url, text) - if url =~ /([A-Za-z]+):(.*)/ then + def gen_url url, text + if url =~ /^rdoc-label:([^:]*)(?::(.*))?/ then + type = "link" + path = "##{$1}" + id = " id=\"#{$2}\"" if $2 + elsif url =~ /([A-Za-z]+):(.*)/ then type = $1 path = $2 else @@ -258,7 +350,7 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter url =~ /\.(gif|png|jpg|jpeg|bmp)$/ then "<img src=\"#{url}\" />" else - "<a href=\"#{url}\">#{text.sub(%r{^#{type}:/*}, '')}</a>" + "<a#{id} href=\"#{url}\">#{text.sub(%r{^#{type}:/*}, '')}</a>" end end @@ -275,9 +367,9 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter # Maps attributes to HTML tags def init_tags - add_tag :BOLD, "<b>", "</b>" - add_tag :TT, "<tt>", "</tt>" - add_tag :EM, "<em>", "</em>" + add_tag :BOLD, "<strong>", "</strong>" + add_tag :TT, "<code>", "</code>" + add_tag :EM, "<em>", "</em>" end ## @@ -288,10 +380,10 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter case list_type when :BULLET, :LALPHA, :NUMBER, :UALPHA then "<li>" - when :LABEL then - "<dt>#{to_html list_item.label}</dt>\n<dd>" - when :NOTE then - "<tr><td class=\"rdoc-term\"><p>#{to_html list_item.label}</p></td>\n<td>" + when :LABEL, :NOTE then + Array(list_item.label).map do |label| + "<dt>#{to_html label}\n" + end.join << "<dd>" else raise RDoc::Error, "Invalid list type: #{list_type.inspect}" end @@ -304,16 +396,22 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter case list_type when :BULLET, :LALPHA, :NUMBER, :UALPHA then "</li>" - when :LABEL then + when :LABEL, :NOTE then "</dd>" - when :NOTE then - "</td></tr>" else raise RDoc::Error, "Invalid list type: #{list_type.inspect}" end end ## + # Returns true if Ripper is available it can create a sexp from +text+ + + def parseable? text + text =~ /\b(def|class|module|require) |=>|\{\s?\||do \|/ and + text !~ /<%|%>/ + end + + ## # Converts +item+ to HTML using RDoc::Text#to_html def to_html item |