Import RDoc 2.5

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27147 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 328 deletions

diff --git a/lib/rdoc/markup/to_latex.rb b/lib/rdoc/markup/to_latex.rb
deleted file mode 100644
index bbf958f2ed..0000000000
--- a/lib/rdoc/markup/to_latex.rb
+++ /dev/null
@@ -1,328 +0,0 @@
-require 'rdoc/markup/formatter'
-require 'rdoc/markup/fragments'
-require 'rdoc/markup/inline'
-
-require 'cgi'
-
-##
-# Convert SimpleMarkup to basic LaTeX report format.
-
-class RDoc::Markup::ToLaTeX < RDoc::Markup::Formatter
-
-  BS = "\020"   # \
-  OB = "\021"   # {
-  CB = "\022"   # }
-  DL = "\023"   # Dollar
-
-  BACKSLASH   = "#{BS}symbol#{OB}92#{CB}"
-  HAT         = "#{BS}symbol#{OB}94#{CB}"
-  BACKQUOTE   = "#{BS}symbol#{OB}0#{CB}"
-  TILDE       = "#{DL}#{BS}sim#{DL}"
-  LESSTHAN    = "#{DL}<#{DL}"
-  GREATERTHAN = "#{DL}>#{DL}"
-
-  def self.l(str)
-    str.tr('\\', BS).tr('{', OB).tr('}', CB).tr('$', DL)
-  end
-
-  def l(arg)
-    RDoc::Markup::ToLaTeX.l(arg)
-  end
-
-  LIST_TYPE_TO_LATEX = {
-    :BULLET =>  [ l("\\begin{itemize}"), l("\\end{itemize}") ],
-    :NUMBER =>  [ l("\\begin{enumerate}"), l("\\end{enumerate}"), "\\arabic" ],
-    :UPPERALPHA =>  [ l("\\begin{enumerate}"), l("\\end{enumerate}"), "\\Alph" ],
-    :LOWERALPHA =>  [ l("\\begin{enumerate}"), l("\\end{enumerate}"), "\\alph" ],
-    :LABELED => [ l("\\begin{description}"), l("\\end{description}") ],
-    :NOTE    => [
-      l("\\begin{tabularx}{\\linewidth}{@{} l X @{}}"),
-      l("\\end{tabularx}") ],
-  }
-
-  InlineTag = Struct.new(:bit, :on, :off)
-
-  def initialize
-    init_tags
-    @list_depth = 0
-    @prev_list_types = []
-  end
-
-  ##
-  # Set up the standard mapping of attributes to LaTeX
-
-  def init_tags
-    @attr_tags = [
-      InlineTag.new(RDoc::Markup::Attribute.bitmap_for(:BOLD), l("\\textbf{"), l("}")),
-      InlineTag.new(RDoc::Markup::Attribute.bitmap_for(:TT),   l("\\texttt{"), l("}")),
-      InlineTag.new(RDoc::Markup::Attribute.bitmap_for(:EM),   l("\\emph{"), l("}")),
-    ]
-  end
-
-  ##
-  # Escape a LaTeX string
-
-  def escape(str)
-    $stderr.print "FE: ", str if $DEBUG_RDOC
-    s = str.
-       sub(/\s+$/, '').
-      gsub(/([_\${}&%#])/, "#{BS}\\1").
-      gsub(/\\/, BACKSLASH).
-      gsub(/\^/, HAT).
-      gsub(/~/,  TILDE).
-      gsub(/</,  LESSTHAN).
-      gsub(/>/,  GREATERTHAN).
-      gsub(/,,/, ",{},").
-      gsub(/\`/,  BACKQUOTE)
-    $stderr.print "-> ", s, "\n" if $DEBUG_RDOC
-    s
-  end
-
-  ##
-  # Add a new set of LaTeX tags for an attribute. We allow
-  # separate start and end tags for flexibility
-
-  def add_tag(name, start, stop)
-    @attr_tags << InlineTag.new(RDoc::Markup::Attribute.bitmap_for(name), start, stop)
-  end
-
-  ##
-  # Here's the client side of the visitor pattern
-
-  def start_accepting
-    @res = ""
-    @in_list_entry = []
-  end
-
-  def end_accepting
-    @res.tr(BS, '\\').tr(OB, '{').tr(CB, '}').tr(DL, '$')
-  end
-
-  def accept_paragraph(am, fragment)
-    @res << wrap(convert_flow(am.flow(fragment.txt)))
-    @res << "\n"
-  end
-
-  def accept_verbatim(am, fragment)
-    @res << "\n\\begin{code}\n"
-    @res << fragment.txt.sub(/[\n\s]+\Z/, '')
-    @res << "\n\\end{code}\n\n"
-  end
-
-  def accept_rule(am, fragment)
-    size = fragment.param
-    size = 10 if size > 10
-    @res << "\n\n\\rule{\\linewidth}{#{size}pt}\n\n"
-  end
-
-  def accept_list_start(am, fragment)
-    @res << list_name(fragment.type, true) << "\n"
-    @in_list_entry.push false
-  end
-
-  def accept_list_end(am, fragment)
-    if tag = @in_list_entry.pop
-      @res << tag << "\n"
-    end
-    @res << list_name(fragment.type, false) << "\n"
-  end
-
-  def accept_list_item(am, fragment)
-    if tag = @in_list_entry.last
-      @res << tag << "\n"
-    end
-    @res << list_item_start(am, fragment)
-    @res << wrap(convert_flow(am.flow(fragment.txt))) << "\n"
-    @in_list_entry[-1] = list_end_for(fragment.type)
-  end
-
-  def accept_blank_line(am, fragment)
-    # @res << "\n"
-  end
-
-  def accept_heading(am, fragment)
-    @res << convert_heading(fragment.head_level, am.flow(fragment.txt))
-  end
-
-  ##
-  # This is a higher speed (if messier) version of wrap
-
-  def wrap(txt, line_len = 76)
-    res = ""
-    sp = 0
-    ep = txt.length
-    while sp < ep
-      # scan back for a space
-      p = sp + line_len - 1
-      if p >= ep
-        p = ep
-      else
-        while p > sp and txt[p] != ?\s
-          p -= 1
-        end
-        if p <= sp
-          p = sp + line_len
-          while p < ep and txt[p] != ?\s
-            p += 1
-          end
-        end
-      end
-      res << txt[sp...p] << "\n"
-      sp = p
-      sp += 1 while sp < ep and txt[sp] == ?\s
-    end
-    res
-  end
-
-  private
-
-  def on_tags(res, item)
-    attr_mask = item.turn_on
-    return if attr_mask.zero?
-
-    @attr_tags.each do |tag|
-      if attr_mask & tag.bit != 0
-        res << tag.on
-      end
-    end
-  end
-
-  def off_tags(res, item)
-    attr_mask = item.turn_off
-    return if attr_mask.zero?
-
-    @attr_tags.reverse_each do |tag|
-      if attr_mask & tag.bit != 0
-        res << tag.off
-      end
-    end
-  end
-
-  def convert_flow(flow)
-    res = ""
-    flow.each do |item|
-      case item
-      when String
-        $stderr.puts "Converting '#{item}'" if $DEBUG_RDOC
-        res << convert_string(item)
-      when AttrChanger
-        off_tags(res, item)
-        on_tags(res,  item)
-      when Special
-        res << convert_special(item)
-      else
-        raise "Unknown flow element: #{item.inspect}"
-      end
-    end
-    res
-  end
-
-  ##
-  # some of these patterns are taken from SmartyPants...
-
-  def convert_string(item)
-    escape(item).
-
-    # convert ... to elipsis (and make sure .... becomes .<elipsis>)
-      gsub(/\.\.\.\./, '.\ldots{}').gsub(/\.\.\./, '\ldots{}').
-
-    # convert single closing quote
-      gsub(%r{([^ \t\r\n\[\{\(])\'}, '\1\'').
-      gsub(%r{\'(?=\W|s\b)}, "'" ).
-
-    # convert single opening quote
-      gsub(/'/, '`').
-
-    # convert double closing quote
-      gsub(%r{([^ \t\r\n\[\{\(])\"(?=\W)}, "\\1''").
-
-    # convert double opening quote
-      gsub(/"/, "``").
-
-    # convert copyright
-      gsub(/\(c\)/, '\copyright{}')
-
-  end
-
-  def convert_special(special)
-    handled = false
-    Attribute.each_name_of(special.type) do |name|
-      method_name = "handle_special_#{name}"
-      if self.respond_to? method_name
-        special.text = send(method_name, special)
-        handled = true
-      end
-    end
-    raise "Unhandled special: #{special}" unless handled
-    special.text
-  end
-
-  def convert_heading(level, flow)
-    res =
-      case level
-      when 1 then "\\chapter{"
-      when 2 then "\\section{"
-      when 3 then "\\subsection{"
-      when 4 then "\\subsubsection{"
-      else  "\\paragraph{"
-      end +
-      convert_flow(flow) +
-      "}\n"
-  end
-
-  def list_name(list_type, is_open_tag)
-    tags = LIST_TYPE_TO_LATEX[list_type] || raise("Invalid list type: #{list_type.inspect}")
-    if tags[2] # enumerate
-      if is_open_tag
-        @list_depth += 1
-        if @prev_list_types[@list_depth] != tags[2]
-          case @list_depth
-          when 1
-            roman = "i"
-          when 2
-            roman = "ii"
-          when 3
-            roman = "iii"
-          when 4
-            roman = "iv"
-          else
-            raise("Too deep list: level #{@list_depth}")
-          end
-          @prev_list_types[@list_depth] = tags[2]
-          return l("\\renewcommand{\\labelenum#{roman}}{#{tags[2]}{enum#{roman}}}") + "\n" + tags[0]
-        end
-      else
-        @list_depth -= 1
-      end
-    end
-    tags[ is_open_tag ? 0 : 1]
-  end
-
-  def list_item_start(am, fragment)
-    case fragment.type
-    when :BULLET, :NUMBER, :UPPERALPHA, :LOWERALPHA then
-      "\\item "
-
-    when :LABELED then
-      "\\item[" + convert_flow(am.flow(fragment.param)) + "] "
-
-    when :NOTE then
-        convert_flow(am.flow(fragment.param)) + " & "
-    else
-      raise "Invalid list type"
-    end
-  end
-
-  def list_end_for(fragment_type)
-    case fragment_type
-    when :BULLET, :NUMBER, :UPPERALPHA, :LOWERALPHA, :LABELED then
-      ""
-    when :NOTE
-      "\\\\\n"
-    else
-      raise "Invalid list type"
-    end
-  end
-
-end
-