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-rw-r--r--lib/rdoc/text.rb302
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diff --git a/lib/rdoc/text.rb b/lib/rdoc/text.rb
deleted file mode 100644
index 3ac55ed560..0000000000
--- a/lib/rdoc/text.rb
+++ /dev/null
@@ -1,302 +0,0 @@
-# coding: utf-8
-
-##
-# For RDoc::Text#to_html
-
-require 'strscan'
-
-##
-# Methods for manipulating comment text
-
-module RDoc::Text
-
- ##
- # Maps an encoding to a Hash of characters properly transcoded for that
- # encoding.
- #
- # See also encode_fallback.
-
- TO_HTML_CHARACTERS = Hash.new do |h, encoding|
- h[encoding] = {
- :close_dquote => encode_fallback('”', encoding, '"'),
- :close_squote => encode_fallback('’', encoding, '\''),
- :copyright => encode_fallback('©', encoding, '(c)'),
- :ellipsis => encode_fallback('…', encoding, '...'),
- :em_dash => encode_fallback('—', encoding, '---'),
- :en_dash => encode_fallback('–', encoding, '--'),
- :open_dquote => encode_fallback('“', encoding, '"'),
- :open_squote => encode_fallback('‘', encoding, '\''),
- :trademark => encode_fallback('®', encoding, '(r)'),
- }
- end if Object.const_defined? :Encoding
-
- ##
- # Transcodes +character+ to +encoding+ with a +fallback+ character.
-
- def self.encode_fallback character, encoding, fallback
- character.encode(encoding, :fallback => { character => fallback },
- :undef => :replace, :replace => fallback)
- end
-
- ##
- # Expands tab characters in +text+ to eight spaces
-
- def expand_tabs text
- expanded = []
-
- text.each_line do |line|
- line.gsub!(/^(.{8}*?)([^\t\r\n]{0,7})\t/) do
- r = "#{$1}#{$2}#{' ' * (8 - $2.size)}"
- r.force_encoding text.encoding if Object.const_defined? :Encoding
- r
- end until line !~ /\t/
-
- expanded << line
- end
-
- expanded.join
- end
-
- ##
- # Flush +text+ left based on the shortest line
-
- def flush_left text
- indent = 9999
-
- text.each_line do |line|
- line_indent = line =~ /\S/ || 9999
- indent = line_indent if indent > line_indent
- end
-
- empty = ''
- empty.force_encoding text.encoding if Object.const_defined? :Encoding
-
- text.gsub(/^ {0,#{indent}}/, empty)
- end
-
- ##
- # Convert a string in markup format into HTML.
- #
- # Requires the including class to implement #formatter
-
- def markup text
- document = parse text
-
- document.accept formatter
- end
-
- ##
- # Strips hashes, expands tabs then flushes +text+ to the left
-
- def normalize_comment text
- return text if text.empty?
-
- text = strip_hashes text
- text = expand_tabs text
- text = flush_left text
- text = strip_newlines text
- text
- end
-
- ##
- # Normalizes +text+ then builds a RDoc::Markup::Document from it
-
- def parse text
- return text if RDoc::Markup::Document === text
-
- text = normalize_comment text
-
- return RDoc::Markup::Document.new if text =~ /\A\n*\z/
-
- RDoc::Markup::Parser.parse text
- rescue RDoc::Markup::Parser::Error => e
- $stderr.puts <<-EOF
-While parsing markup, RDoc encountered a #{e.class}:
-
-#{e}
-\tfrom #{e.backtrace.join "\n\tfrom "}
-
----8<---
-#{text}
----8<---
-
-RDoc #{RDoc::VERSION}
-
-Ruby #{RUBY_VERSION}-p#{RUBY_PATCHLEVEL} #{RUBY_RELEASE_DATE}
-
-Please file a bug report with the above information at:
-
-https://github.com/rdoc/rdoc/issues
-
- EOF
- raise
- end
-
- ##
- # Strips leading # characters from +text+
-
- def strip_hashes text
- return text if text =~ /^(?>\s*)[^\#]/
-
- empty = ''
- empty.force_encoding text.encoding if Object.const_defined? :Encoding
-
- text.gsub(/^\s*(#+)/) { $1.tr '#', ' ' }.gsub(/^\s+$/, empty)
- end
-
- ##
- # Strips leading and trailing \n characters from +text+
-
- def strip_newlines text
- text.gsub(/\A\n*(.*?)\n*\z/m) do $1 end # block preserves String encoding
- end
-
- ##
- # Strips /* */ style comments
-
- def strip_stars text
- encoding = text.encoding if Object.const_defined? :Encoding
-
- text = text.gsub %r%Document-method:\s+[\w:.#=!?]+%, ''
-
- space = ' '
- space.force_encoding encoding if encoding
-
- text.sub! %r%/\*+% do space * $&.length end
- text.sub! %r%\*+/% do space * $&.length end
- text.gsub! %r%^[ \t]*\*%m do space * $&.length end
-
- empty = ''
- empty.force_encoding encoding if encoding
- text.gsub(/^\s+$/, empty)
- end
-
- ##
- # Converts ampersand, dashes, ellipsis, quotes, copyright and registered
- # trademark symbols in +text+ to properly encoded characters.
-
- def to_html text
- if Object.const_defined? :Encoding then
- html = ''.encode text.encoding
-
- encoded = RDoc::Text::TO_HTML_CHARACTERS[text.encoding]
- else
- html = ''
- encoded = {
- :close_dquote => '”',
- :close_squote => '’',
- :copyright => '©',
- :ellipsis => '…',
- :em_dash => '—',
- :en_dash => '–',
- :open_dquote => '“',
- :open_squote => '‘',
- :trademark => '®',
- }
- end
-
- s = StringScanner.new text
- insquotes = false
- indquotes = false
- after_word = nil
-
- until s.eos? do
- case
- when s.scan(/<tt>.*?<\/tt>/) then # skip contents of tt
- html << s.matched.gsub('\\\\', '\\')
- when s.scan(/<tt>.*?/) then
- warn 'mismatched <tt> tag' # TODO signal file/line
- html << s.matched
- when s.scan(/<[^>]+\/?s*>/) then # skip HTML tags
- html << s.matched
- when s.scan(/\\(\S)/) then # unhandled suppressed crossref
- html << s[1]
- after_word = nil
- when s.scan(/\.\.\.(\.?)/) then
- html << s[1] << encoded[:ellipsis]
- after_word = nil
- when s.scan(/\(c\)/) then
- html << encoded[:copyright]
- after_word = nil
- when s.scan(/\(r\)/) then
- html << encoded[:trademark]
- after_word = nil
- when s.scan(/---/) then
- html << encoded[:em_dash]
- after_word = nil
- when s.scan(/--/) then
- html << encoded[:en_dash]
- after_word = nil
- when s.scan(/&quot;|"/) then
- html << encoded[indquotes ? :close_dquote : :open_dquote]
- indquotes = !indquotes
- after_word = nil
- when s.scan(/``/) then # backtick double quote
- html << encoded[:open_dquote]
- after_word = nil
- when s.scan(/''/) then # tick double quote
- html << encoded[:close_dquote]
- after_word = nil
- when s.scan(/'/) then # single quote
- if insquotes
- html << encoded[:close_squote]
- insquotes = false
- elsif after_word
- # Mary's dog, my parents' house: do not start paired quotes
- html << encoded[:close_squote]
- else
- html << encoded[:open_squote]
- insquotes = true
- end
-
- after_word = nil
- else # advance to the next potentially significant character
- match = s.scan(/.+?(?=[<\\.("'`&-])/) #"
-
- if match then
- html << match
- after_word = match =~ /\w$/
- else
- html << s.rest
- break
- end
- end
- end
-
- html
- end
-
- ##
- # Wraps +txt+ to +line_len+
-
- 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.join.strip
- end
-
-end
-