def default_functions(name,params)
case name
when "#if"
params.first.blank? ? params[2] : params[1]
when "#switch"
match = params.first
default = nil
for p in params[1..-1]
temp = p.split("=")
if p !~ /=/ && temp.length == 1 && p == params.last
return p
elsif temp.instance_of?(Array) && temp.length > 0
test = temp.first.strip
default = temp[1..-1].join("=").strip if test == "#default"
return temp[1..-1].join("=").strip if test == match || (test == "none" && match.blank?)
end
end
default.nil? ? "" : default
when "#expr"
begin
ExpressionParser::Parser.new.parse(params.first)
rescue RuntimeError
I18n.t('expression error', :error => $!)
end
when "#ifexpr"
val = false
begin
val = ExpressionParser::Parser.new.parse(params.first)
rescue RuntimeError
end
if val
params[1]
else
params[2]
end
when "#ifeq"
if params[0] =~ /^[0-9A-Fa-f]+$/ && params[1] =~ /^[0-9A-Fa-f]+$/
params[0].to_i == params[1].to_i ? params[2] : params[3]
else
params[0] == params[1] ? params[2] : params[3]
end
when "#len"
params.first.length
when "#sub"
params.first[params[1].to_i,params[2].to_i]
when "#pad"
case params[3]
when "right"
params[0].ljust(params[1].to_i,params[2])
when "center"
params[0].center(params[1].to_i,params[2])
else
params[0].rjust(params[1].to_i,params[2])
end
when "#iferror"
params.first =~ /error/ ? params[1] : params[2]
when "#capture"
@options[:params][params.first] = params[1]
""
when "urlencode"
URI.escape(params.first, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))
when "lc"
params.first.downcase
when "uc"
params.first.upcase
when "ucfirst"
params.first.capitalize
when "lcfirst"
params.first[0,1].downcase + params.first[1..-1].to_s
when "anchorencode"
params.first.gsub(/\s+/,'_')
when "plural"
begin
expr_value = ExpressionParser::Parser.new.parse(params.first)
expr_value.to_i == 1 ? params[1] : params[2]
rescue RuntimeError
I18n.t('expression error', :error => $!)
end
when "ns"
values = {
"" => "", "0" => "",
"1" => localise_ns("Talk"), "talk" => localise_ns("Talk"),
"6" => localise_ns("File"), "file" => localise_ns("File"), "image" => localise_ns("File"),
"10" => localise_ns("Template"), "template" => localise_ns("Template"),
"14" => localise_ns("Category"), "category" => localise_ns("Category"),
"-1" => localise_ns("Special"), "special" => localise_ns("Special"),
"12" => localise_ns("Help"), "help" => localise_ns("Help"),
"-2" => localise_ns("Media"), "media" => localise_ns("Media") }
values[localise_ns(params.first,:en).gsub(/\s+/,'_').downcase]
when "#language"
WikiNamespaces.language_name(params.first)
when "#tag"
return "" if params.empty?
elem = Builder::XmlMarkup.new
return elem.tag!(params.first) if params.length == 1
return elem.tag!(params.first) { |e| e << params.last } if params.length == 2
tag_attrs = {}
params[1..-2].each do |attr|
tag_attrs[$1] = $2 if attr =~ /^\s*([\w]+)\s*=\s*"(.*)"\s*$/
end
elem.tag!(params.first,tag_attrs) { |e| e << params.last }
when "debug"
ret = nil
case params.first
when "param"
@options[:buffer].buffers.reverse.each do |b|
if b.instance_of?(WikiBuffer::HTMLElement) && b.element_name == "template"
ret = b.get_param(params[1])
end
end
ret
when "buffer"
ret = "<pre>"
buffer = @options[:buffer].buffers
buffer.each do |b|
ret += " --- #{b.class}"
ret += b.instance_of?(WikiBuffer::HTMLElement) ? " -- #{b.element_name}\n" : " -- #{b.data}\n"
end
"#{ret}</pre>"
end
end
end