280 lines
7.5 KiB
Ruby
280 lines
7.5 KiB
Ruby
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module WikiCloth
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class WikiBuffer
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def initialize(data="",options={})
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@options = options
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self.data = data
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self.buffer_type = nil
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@section_count = 0
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@buffers ||= [ ]
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@buffers << self
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@list_data = []
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end
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def run_globals?
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true
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end
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def skip_html?
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false
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end
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def data
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@data ||= ""
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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 buffer_type
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@buffer_type
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end
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def to_s
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"<p>" + self.params.join("\n") + "</p>"
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end
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def check_globals()
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return false if self.class != WikiBuffer
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if previous_char == "\n"
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if @indent == @buffers[-1].object_id && current_char != " "
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# close pre tag
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cc_temp = current_char
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"</pre>".each_char { |c| self.add_char(c) }
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# get the parser back on the right track
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"\n#{cc_temp}".each_char { |c| @buffers[-1].add_char(c) }
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@indent = nil
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return true
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end
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if current_char == " " && @indent.nil? && @buffers[-1].class != WikiBuffer::HTMLElement
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"<pre> ".each_char { |c| @buffers[-1].add_char(c) }
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@indent = @buffers[-1].object_id
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return true
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end
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end
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if @buffers[-1].run_globals?
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# new html tag
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if @check_new_tag == true && current_char =~ /([a-z])/ && !@buffers[-1].skip_html?
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@buffers[-1].data.chop!
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parent = @buffers[-1].element_name if @buffers[-1].class == WikiBuffer::HTMLElement
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@buffers << WikiBuffer::HTMLElement.new("",@options,parent)
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end
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@check_new_tag = current_char == '<' ? true : false
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# global
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case
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# start variable
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when previous_char == '{' && current_char == '{'
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@buffers[-1].data.chop!
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@buffers << WikiBuffer::Var.new("",@options)
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return true
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# start link
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when current_char == '[' && previous_char != '['
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@buffers << WikiBuffer::Link.new("",@options)
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return true
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# start table
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when previous_char == '{' && current_char == "|"
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@buffers[-1].data.chop!
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@buffers << WikiBuffer::Table.new("",@options)
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return true
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end
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end
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return false
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end
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def add_char(c)
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self.previous_char = self.current_char
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self.current_char = c
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if self.check_globals() == false
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case
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when @buffers.size == 1
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return self.new_char()
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when @buffers[-1].add_char(c) == false && self.class == WikiBuffer
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tmp = @buffers.pop
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@buffers[-1].data += tmp.to_s
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# any data left in the buffer we feed into the parent
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unless tmp.data.blank?
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tmp.data.each_char { |c| self.add_char(c) }
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end
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end
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end
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end
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protected
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# only executed in the default state
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def new_char()
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case
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when current_char == "\n"
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if @options[:extended_markup] == true
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self.data.gsub!(/---([^-]+)---/,"<strike>\\1</strike>")
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self.data.gsub!(/_([^_]+)_/,"<u>\\1</u>")
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end
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self.data.gsub!(/__([a-zA-Z0-9]+)__/) { |r|
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case $1
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when "NOEDITSECTION"
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@noeditsection = true
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end
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""
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}
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self.data.gsub!(/^([-]{4,})/) { |r| "<hr />" }
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self.data.gsub!(/^([=]{1,6})\s*(.*?)\s*(\1)/) { |r|
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@section_count += 1
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"<h#{$1.length}>" + (@noeditsection == true ? "" :
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"<span class=\"editsection\">[<a href=\"" + @options[:link_handler].section_link(@section_count) +
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"\" title=\"Edit section: #{$2}\">edit</a>]</span>") +
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" <span class=\"mw-headline\">#{$2}</span></h#{$1.length}>"
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}
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self.data.gsub!(/([\']{2,5})(.*?)(\1)/) { |r|
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tmp = "<i>#{$2}</i>" if $1.length == 2
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tmp = "<b>#{$2}</b>" if $1.length == 3
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tmp = "<b>'#{$2}'</b>" if $1.length == 4
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tmp = "<b><i>#{$2}</i></b>" if $1.length == 5
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tmp
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}
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lines = self.data.split("\n")
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self.data = ""
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for line in lines
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if !@list_data.empty? && (line.blank? || line =~ /^([^#\*:;]+)/)
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tmp = ""
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@list_data.reverse!
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@list_data.each { |x| tmp += "</" + list_inner_tag_for(x) + "></#{list_tag_for(x)}>" }
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line = "#{tmp} #{line}"
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@list_data = []
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end
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line.gsub!(/^([#\*:;]+)(.*)$/) { |r|
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cdata = []
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tmp = ""
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$1.each_char { |c| cdata << c }
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if @list_data.empty?
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tmp += "<#{list_tag_for(cdata[0])}>"
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cdata[1..-1].each { |x| tmp += "<" + list_inner_tag_for(cdata[0]) + "><#{list_tag_for(x)}>" } if cdata.size > 1
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else
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case
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when cdata.size > @list_data.size
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i = cdata.size-@list_data.size
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cdata[-i,i].each { |x| tmp += "<#{list_tag_for(x)}>" }
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when cdata.size < @list_data.size
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i = @list_data.size-cdata.size
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nlist = @list_data[-i,i].reverse
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nlist.each { |x| tmp += "</" + list_inner_tag_for(x) + "></#{list_tag_for(x)}>" }
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tmp += "</#{list_inner_tag_for(cdata.last)}>"
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else
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if cdata != @list_data
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# FIXME: this will only work if the change depth is one level
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unless (@list_data.last == ';' || @list_data.last == ':') && (cdata.last == ';' || cdata.last == ':')
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tmp += "</#{list_tag_for(@list_data.pop)}>"
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tmp += "<#{list_tag_for(cdata.last)}>"
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end
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else
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tmp += "</" + list_inner_tag_for(@list_data.last) + ">"
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end
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end
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end
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# FIXME: still probably does not detect the : properly
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peices = cdata.last == ";" ? $2.smart_split(":") : [ $2 ]
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if peices.size > 1
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tmp += "<#{list_inner_tag_for(cdata.last)}>#{peices[0]}</#{list_inner_tag_for(cdata.last)}>"
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tmp += "<dd>#{peices[1..-1].join(":")}</dd>"
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cdata[-1] = ":"
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else
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tmp += "<#{list_inner_tag_for(cdata.last)}>#{peices[0]}"
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end
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@list_data = cdata
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tmp
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}
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self.data += line + "\n"
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end
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self.data = "</p><p>" if self.data.blank?
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self.params << self.data.auto_link
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self.data = ""
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else
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self.data += current_char
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end
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return true
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end
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def name_current_param()
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params[-1] = { :value => "", :name => params[-1] } unless params[-1].kind_of?(Hash) || params[-1].nil?
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end
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def current_param=(val)
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unless self.params[-1].nil? || self.params[-1].kind_of?(String)
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self.params[-1][:value] = val
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else
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self.params[-1] = val
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end
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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 buffer_type=(val)
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@buffer_type = val
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end
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def data=(val)
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@data = val
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end
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def current_char=(val)
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@current_char = val
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end
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def current_char
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@current_char ||= ""
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end
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def previous_char=(val)
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@previous_char = val
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end
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def previous_char
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@previous_char
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end
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def current_line=(val)
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@current_line = val
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end
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def current_line
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@current_line ||= ""
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end
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def list_tag_for(tag)
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case tag
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when "#" then "ol"
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when "*" then "ul"
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when ";" then "dl"
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when ":" then "dl"
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end
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end
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def list_inner_tag_for(tag)
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case tag
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when "#" then "li"
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when "*" then "li"
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when ";" then "dt"
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when ":" then "dd"
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end
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end
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end
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end
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require File.join(File.expand_path(File.dirname(__FILE__)), "wiki_buffer", "html_element")
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require File.join(File.expand_path(File.dirname(__FILE__)), "wiki_buffer", "table")
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require File.join(File.expand_path(File.dirname(__FILE__)), "wiki_buffer", "var")
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require File.join(File.expand_path(File.dirname(__FILE__)), "wiki_buffer", "link")
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