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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/lib/rdoc/markup/to_label.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/rdoc/markup/to_label.rb')
-rw-r--r--jni/ruby/lib/rdoc/markup/to_label.rb74
1 files changed, 74 insertions, 0 deletions
diff --git a/jni/ruby/lib/rdoc/markup/to_label.rb b/jni/ruby/lib/rdoc/markup/to_label.rb
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+++ b/jni/ruby/lib/rdoc/markup/to_label.rb
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+require 'cgi'
+
+##
+# Creates HTML-safe labels suitable for use in id attributes. Tidylinks are
+# converted to their link part and cross-reference links have the suppression
+# marks removed (\\SomeClass is converted to SomeClass).
+
+class RDoc::Markup::ToLabel < RDoc::Markup::Formatter
+
+ attr_reader :res # :nodoc:
+
+ ##
+ # Creates a new formatter that will output HTML-safe labels
+
+ def initialize markup = nil
+ super nil, markup
+
+ @markup.add_special RDoc::CrossReference::CROSSREF_REGEXP, :CROSSREF
+ @markup.add_special(/(((\{.*?\})|\b\S+?)\[\S+?\])/, :TIDYLINK)
+
+ add_tag :BOLD, '', ''
+ add_tag :TT, '', ''
+ add_tag :EM, '', ''
+
+ @res = []
+ end
+
+ ##
+ # Converts +text+ to an HTML-safe label
+
+ def convert text
+ label = convert_flow @am.flow text
+
+ CGI.escape(label).gsub('%', '-').sub(/^-/, '')
+ end
+
+ ##
+ # Converts the CROSSREF +special+ to plain text, removing the suppression
+ # marker, if any
+
+ def handle_special_CROSSREF special
+ text = special.text
+
+ text.sub(/^\\/, '')
+ end
+
+ ##
+ # Converts the TIDYLINK +special+ to just the text part
+
+ def handle_special_TIDYLINK special
+ text = special.text
+
+ return text unless text =~ /\{(.*?)\}\[(.*?)\]/ or text =~ /(\S+)\[(.*?)\]/
+
+ $1
+ end
+
+ alias accept_blank_line ignore
+ alias accept_block_quote ignore
+ alias accept_heading ignore
+ alias accept_list_end ignore
+ alias accept_list_item_end ignore
+ alias accept_list_item_start ignore
+ alias accept_list_start ignore
+ alias accept_paragraph ignore
+ alias accept_raw ignore
+ alias accept_rule ignore
+ alias accept_verbatim ignore
+ alias end_accepting ignore
+ alias handle_special_HARD_BREAK ignore
+ alias start_accepting ignore
+
+end
+