23656e3fa9
* Added statistics-based estimator for related tag calculator * Fleshed out IpBan class based on changes to Danbooru 1.xx
139 lines
3.3 KiB
Ruby
139 lines
3.3 KiB
Ruby
require 'cgi'
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class DText
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def self.parse_inline(str, options = {})
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str = str.gsub(/&/, "&")
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str.gsub!(/</, "<")
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str.gsub!(/>/, ">")
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str.gsub!(/\[\[.+?\]\]/m) do |tag|
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tag = tag[2..-3]
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if tag =~ /^(.+?)\|(.+)$/
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tag = $1
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name = $2
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'<a href="/wiki/show?title=' + CGI.escape(CGI.unescapeHTML(tag.tr(" ", "_").downcase)) + '">' + name + '</a>'
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else
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'<a href="/wiki/show?title=' + CGI.escape(CGI.unescapeHTML(tag.tr(" ", "_").downcase)) + '">' + tag + '</a>'
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end
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end
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str.gsub!(/\{\{.+?\}\}/m) do |tag|
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tag = tag[2..-3]
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'<a href="/post/index?tags=' + CGI.escape(CGI.unescapeHTML(tag)) + '">' + tag + '</a>'
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end
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str.gsub!(/[Pp]ost #(\d+)/, '<a href="/post/show/\1">post #\1</a>')
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str.gsub!(/[Ff]orum #(\d+)/, '<a href="/forum/show/\1">forum #\1</a>')
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str.gsub!(/[Cc]omment #(\d+)/, '<a href="/comment/show/\1">comment #\1</a>')
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str.gsub!(/[Pp]ool #(\d+)/, '<a href="/pool/show/\1">pool #\1</a>')
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str.gsub!(/\n/m, "<br>")
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str.gsub!(/\[b\](.+?)\[\/b\]/, '<strong>\1</strong>')
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str.gsub!(/\[i\](.+?)\[\/i\]/, '<em>\1</em>')
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str.gsub!(/\[spoilers?\](.+?)\[\/spoilers?\]/m, '<span class="spoiler">\1</span>')
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str.gsub!(/("[^"]+":(http:\/\/|\/)\S+|http:\/\/\S+)/m) do |link|
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if link =~ /^"([^"]+)":(.+)$/
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text = $1
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link = $2
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else
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text = link
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end
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if link =~ /([;,.!?\)\]<>])$/
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link.chop!
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ch = $1
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else
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ch = ""
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end
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link.gsub!(/"/, '"')
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'<a href="' + link + '">' + text + '</a>' + ch
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end
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str
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end
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def self.parse_list(str, options = {})
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html = ""
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layout = []
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nest = 0
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str.split(/\n/).each do |line|
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if line =~ /^\s*(\*+) (.+)/
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nest = $1.size
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content = parse_inline($2)
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else
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content = parse_inline(line)
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end
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if nest > layout.size
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html += "<ul>"
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layout << "ul"
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end
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while nest < layout.size
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elist = layout.pop
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if elist
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html += "</#{elist}>"
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end
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end
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html += "<li>#{content}</li>"
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end
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while layout.any?
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elist = layout.pop
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html += "</#{elist}>"
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end
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html
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end
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def self.parse(str, options = {})
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return "" if str.blank?
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# Make sure quote tags are surrounded by newlines
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unless options[:inline]
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str.gsub!(/\s*\[quote\]\s*/m, "\n\n[quote]\n\n")
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str.gsub!(/\s*\[\/quote\]\s*/m, "\n\n[/quote]\n\n")
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end
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str.gsub!(/(?:\r?\n){3,}/, "\n\n")
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str.strip!
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blocks = str.split(/(?:\r?\n){2}/)
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html = blocks.map do |block|
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case block
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when /^(h[1-6])\.\s*(.+)$/
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tag = $1
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content = $2
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if options[:inline]
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"<h6>" + parse_inline(content, options) + "</h6>"
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else
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"<#{tag}>" + parse_inline(content, options) + "</#{tag}>"
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end
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when /^\s*\*+ /
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parse_list(block, options)
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when "[quote]"
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if options[:inline]
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""
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else
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'<blockquote>'
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end
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when "[/quote]"
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if options[:inline]
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""
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else
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'</blockquote>'
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end
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else
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'<p>' + parse_inline(block) + "</p>"
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end
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end
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html.join("").html_safe
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end
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end
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