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75 lines
1.8 KiB
Ruby
75 lines
1.8 KiB
Ruby
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require 'cgi'
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##
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# Creates HTML-safe labels suitable for use in id attributes. Tidylinks are
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# converted to their link part and cross-reference links have the suppression
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# marks removed (\\SomeClass is converted to SomeClass).
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class RDoc::Markup::ToLabel < RDoc::Markup::Formatter
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attr_reader :res # :nodoc:
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##
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# Creates a new formatter that will output HTML-safe labels
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def initialize markup = nil
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super nil, markup
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@markup.add_special RDoc::CrossReference::CROSSREF_REGEXP, :CROSSREF
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@markup.add_special(/(((\{.*?\})|\b\S+?)\[\S+?\])/, :TIDYLINK)
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add_tag :BOLD, '', ''
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add_tag :TT, '', ''
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add_tag :EM, '', ''
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@res = []
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end
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##
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# Converts +text+ to an HTML-safe label
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def convert text
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label = convert_flow @am.flow text
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CGI.escape label
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end
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##
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# Converts the CROSSREF +special+ to plain text, removing the suppression
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# marker, if any
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def handle_special_CROSSREF special
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text = special.text
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text.sub(/^\\/, '')
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end
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##
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# Converts the TIDYLINK +special+ to just the text part
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def handle_special_TIDYLINK special
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text = special.text
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return text unless text =~ /\{(.*?)\}\[(.*?)\]/ or text =~ /(\S+)\[(.*?)\]/
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$1
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end
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alias accept_blank_line ignore
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alias accept_block_quote ignore
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alias accept_heading ignore
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alias accept_list_end ignore
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alias accept_list_item_end ignore
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alias accept_list_item_start ignore
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alias accept_list_start ignore
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alias accept_paragraph ignore
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alias accept_raw ignore
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alias accept_rule ignore
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alias accept_verbatim ignore
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alias end_accepting ignore
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alias handle_special_HARD_BREAK ignore
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alias start_accepting ignore
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end
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