138 lines
3.1 KiB
Ruby
138 lines
3.1 KiB
Ruby
require 'rubygems'
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require 'builder'
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module WikiCloth
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class WikiLinkHandler
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def references
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@references ||= []
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end
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def section_link(section)
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""
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end
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def params
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@params ||= {}
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end
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def external_links
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@external_links ||= []
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end
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def find_reference_by_name(n)
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references.each { |r| return r if !r[:name].nil? && r[:name].strip == n }
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return nil
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end
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def reference_index(h)
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references.each_index { |r| return r+1 if references[r] == h }
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return nil
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end
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def references=(val)
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@references = val
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end
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def params=(val)
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@params = val
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end
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def external_link(url,text)
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self.external_links << url
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elem.a({ :href => url }) { |x| x << (text.blank? ? url : text) }
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end
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def external_links=(val)
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@external_links = val
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end
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def url_for(page)
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"javascript:void(0)"
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end
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def link_attributes_for(page)
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{ :href => url_for(page) }
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end
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def link_for(page, text)
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ltitle = !text.nil? && text.blank? ? self.pipe_trick(page) : text
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ltitle = page if text.nil?
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elem.a(link_attributes_for(page)) { |x| x << ltitle.strip }
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end
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def include_resource(resource, options=[])
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return self.params[resource] unless self.params[resource].nil?
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end
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def link_for_resource(prefix, resource, options=[])
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ret = ""
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prefix.downcase!
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case
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when ["image","file","media"].include?(prefix)
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ret += wiki_image(resource,options)
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else
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title = options[0] ? options[0] : "#{prefix}:#{resource}"
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ret += link_for("#{prefix}:#{resource}",title)
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end
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ret
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end
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protected
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def pipe_trick(page)
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t = page.split(":")
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t = t[1..-1] if t.size > 1
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return t.join("").split(/[,(]/)[0]
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end
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# this code needs some work... lots of work
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def wiki_image(resource,options)
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pre_img = ''
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post_img = ''
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css = []
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loc = "right"
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type = nil
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w = 180
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h = nil
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title = nil
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ffloat = false
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options.each do |x|
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case
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when ["thumb","thumbnail","frame","border"].include?(x.strip)
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type = x.strip
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when ["left","right","center","none"].include?(x.strip)
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ffloat = true
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loc = x.strip
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when x.strip =~ /^([0-9]+)\s*px$/
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w = $1
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css << "width:#{w}px"
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when x.strip =~ /^([0-9]+)\s*x\s*([0-9]+)\s*px$/
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w = $1
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css << "width:#{w}px"
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h = $2
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css << "height:#{h}px"
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else
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title = x.strip
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end
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end
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css << "float:#{loc}" if ffloat == true
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css << "border:1px solid #000" if type == "border"
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sane_title = title.nil? ? "" : title.gsub(/<\/?[^>]*>/, "")
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if type == "thumb" || type == "thumbnail" || type == "frame"
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pre_img = '<div class="thumb t' + loc + '"><div class="thumbinner" style="width: ' + w.to_s +
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'px;"><a href="" class="image" title="' + sane_title + '">'
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post_img = '</a><div class="thumbcaption">' + title + '</div></div></div>'
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end
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"#{pre_img}<img src=\"#{resource}\" alt=\"#{sane_title}\" title=\"#{sane_title}\" style=\"#{css.join(";")}\" />#{post_img}"
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end
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def elem
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Builder::XmlMarkup.new
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end
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end
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end
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