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generator	[ DIR ]	drwxr-xr-x
markdown	[ DIR ]	drwxr-xr-x
markup	[ DIR ]	drwxr-xr-x
parser	[ DIR ]	drwxr-xr-x
rd	[ DIR ]	drwxr-xr-x
ri	[ DIR ]	drwxr-xr-x
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alias.rb	2.09 KB	-rw-r--r--
anon_class.rb	142 B	-rw-r--r--
any_method.rb	6.82 KB	-rw-r--r--
attr.rb	3.73 KB	-rw-r--r--
class_module.rb	19.73 KB	-rw-r--r--
code_object.rb	9.38 KB	-rw-r--r--
code_objects.rb	121 B	-rw-r--r--
comment.rb	5.29 KB	-rw-r--r--
constant.rb	3.55 KB	-rw-r--r--
context.rb	28.76 KB	-rw-r--r--
cross_reference.rb	5.82 KB	-rw-r--r--
encoding.rb	2.74 KB	-rw-r--r--
erb_partial.rb	370 B	-rw-r--r--
erbio.rb	794 B	-rw-r--r--
extend.rb	140 B	-rw-r--r--
generator.rb	1.72 KB	-rw-r--r--
ghost_method.rb	114 B	-rw-r--r--
include.rb	142 B	-rw-r--r--
known_classes.rb	2.63 KB	-rw-r--r--
markdown.rb	370.01 KB	-rw-r--r--
markup.rb	28.22 KB	-rw-r--r--
meta_method.rb	99 B	-rw-r--r--
method_attr.rb	8.78 KB	-rw-r--r--
mixin.rb	2.72 KB	-rw-r--r--
normal_class.rb	2.1 KB	-rw-r--r--
normal_module.rb	1.4 KB	-rw-r--r--
options.rb	29.7 KB	-rw-r--r--
parser.rb	8.06 KB	-rw-r--r--
rd.rb	3.54 KB	-rw-r--r--
rdoc.rb	13.4 KB	-rw-r--r--
require.rb	935 B	-rw-r--r--
ri.rb	315 B	-rw-r--r--
ruby_lex.rb	27.71 KB	-rw-r--r--
ruby_token.rb	11.28 KB	-rw-r--r--
rubygems_hook.rb	5.17 KB	-rw-r--r--
servlet.rb	11.84 KB	-rw-r--r--
single_class.rb	330 B	-rw-r--r--
stats.rb	10.37 KB	-rw-r--r--
store.rb	22.37 KB	-rw-r--r--
task.rb	7.66 KB	-rw-r--r--
test_case.rb	4.14 KB	-rw-r--r--
text.rb	7.6 KB	-rw-r--r--
token_stream.rb	2.46 KB	-rw-r--r--
tom_doc.rb	6.26 KB	-rw-r--r--
top_level.rb	5.41 KB	-rw-r--r--

Code Editor : cross_reference.rb

##
# RDoc::CrossReference is a reusable way to create cross references for names.

class RDoc::CrossReference

##
  # Regular expression to match class references
  #
  # 1. There can be a '\\' in front of text to suppress the cross-reference
  # 2. There can be a '::' in front of class names to reference from the
  #    top-level namespace.
  # 3. The method can be followed by parenthesis (not recommended)

CLASS_REGEXP_STR = '\\\\?((?:\:{2})?[A-Z]\w*(?:\:\:\w+)*)'

##
  # Regular expression to match method references.
  #
  # See CLASS_REGEXP_STR

METHOD_REGEXP_STR = '([a-z]\w*[!?=]?|%|===|\[\]=?|<<|>>)(?:$[\w.+*/=<>-]*$)?'

##
  # Regular expressions matching text that should potentially have
  # cross-reference links generated are passed to add_special.  Note that
  # these expressions are meant to pick up text for which cross-references
  # have been suppressed, since the suppression characters are removed by the
  # code that is triggered.

CROSSREF_REGEXP = /(?:^|\s)
                     (
                      (?:
                       # A::B::C.meth
                       #{CLASS_REGEXP_STR}(?:[.#]|::)#{METHOD_REGEXP_STR}

# Stand-alone method (preceded by a #)
                       | \\?\##{METHOD_REGEXP_STR}

# Stand-alone method (preceded by ::)
                       | ::#{METHOD_REGEXP_STR}

# A::B::C
                       # The stuff after CLASS_REGEXP_STR is a
                       # nasty hack.  CLASS_REGEXP_STR unfortunately matches
                       # words like dog and cat (these are legal "class"
                       # names in Fortran 95).  When a word is flagged as a
                       # potential cross-reference, limitations in the markup
                       # engine suppress other processing, such as typesetting.
                       # This is particularly noticeable for contractions.
                       # In order that words like "can't" not
                       # be flagged as potential cross-references, only
                       # flag potential class cross-references if the character
                       # after the cross-reference is a space, sentence
                       # punctuation, tag start character, or attribute
                       # marker.
                       | #{CLASS_REGEXP_STR}(?=[@\s).?!,;<\000]|\z)

# Things that look like filenames
                       # The key thing is that there must be at least
                       # one special character (period, slash, or
                       # underscore).
                       | (?:\.\.\/)*[-\/\w]+[_\/.][-\w\/.]+

# Things that have markup suppressed
                       # Don't process things like '\<' in \<tt>, though.
                       # TODO: including < is a hack, not very satisfying.
                       | \\[^\s<]
                      )

# labels for headings
                      (?:@[\w+%-]+(?:\.[\w|%-]+)?)?
                     )/x

##
  # Version of CROSSREF_REGEXP used when <tt>--hyperlink-all</tt> is specified.

ALL_CROSSREF_REGEXP = /
                     (?:^|\s)
                     (
                      (?:
                       # A::B::C.meth
                       #{CLASS_REGEXP_STR}(?:[.#]|::)#{METHOD_REGEXP_STR}

# Stand-alone method
                       | \\?#{METHOD_REGEXP_STR}

# A::B::C
                       | #{CLASS_REGEXP_STR}(?=[@\s).?!,;<\000]|\z)

# Things that look like filenames
                       | (?:\.\.\/)*[-\/\w]+[_\/.][-\w\/.]+

# Things that have markup suppressed
                       | \\[^\s<]
                      )

# labels for headings
                      (?:@[\w+%-]+)?
                     )/x

##
  # Hash of references that have been looked-up to their replacements

attr_accessor :seen

##
  # Allows cross-references to be created based on the given +context+
  # (RDoc::Context).

def initialize context
    @context = context
    @store   = context.store

@seen = {}
  end

##
  # Returns a reference to +name+.
  #
  # If the reference is found and +name+ is not documented +text+ will be
  # returned.  If +name+ is escaped +name+ is returned.  If +name+ is not
  # found +text+ is returned.

def resolve name, text
    return @seen[name] if @seen.include? name

if /#{CLASS_REGEXP_STR}([.#]|::)#{METHOD_REGEXP_STR}/o =~ name then
      type = $2
      type = '' if type == '.'  # will find either #method or ::method
      method = "#{type}#{$3}"
      container = @context.find_symbol_module($1)
    elsif /^([.#]|::)#{METHOD_REGEXP_STR}/o =~ name then
      type = $1
      type = '' if type == '.'
      method = "#{type}#{$2}"
      container = @context
    else
      container = nil
    end

if container then
      ref = container.find_local_symbol method

unless ref || RDoc::TopLevel === container then
        ref = container.find_ancestor_local_symbol method
      end
    end

ref = case name
          when /^\\(#{CLASS_REGEXP_STR})$/o then
            @context.find_symbol $1
          else
            @context.find_symbol name
          end unless ref

# Try a page name
    ref = @store.page name if not ref and name =~ /^\w+$/

ref = nil if RDoc::Alias === ref # external alias, can't link to it

out = if name == '\\' then
            name
          elsif name =~ /^\\/ then
            # we remove the \ only in front of what we know:
            # other backslashes are treated later, only outside of <tt>
            ref ? $' : name
          elsif ref then
            if ref.display? then
              ref
            else
              text
            end
          else
            text
          end

@seen[name] = out

out
  end

end

${this.title}

Code Editor : cross_reference.rb