Class: WikiCloth::WikiBuffer::Var
Instance Method Summary
collapse
#add_char, #buffer_type, #buffers, #check_globals, #data, #debug, #get_param, #in_template?, #params, #run_globals?
Constructor Details
#initialize(data = "", options = {}) ⇒ Var
Returns a new instance of Var.
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 7
def initialize(data="",options={})
super(data,options)
self.buffer_type = "var"
@in_quotes = false
@tag_start = true
@tag_size = 2
@close_size = 2
@fname = nil
end
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Instance Method Details
#default_functions(name, params) ⇒ Object
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 77
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 temp.length == 1 && p == params.last
return p
elsif temp.instance_of?(Array) && temp.length > 1
test = temp.first.strip
default = temp[1].strip if test == "#default"
return temp[1].strip if test == match
end
end
default.nil? ? "" : default
when "#expr"
begin
ExpressionParser::Parser.new.parse(params.first)
rescue RuntimeError
"Expression error: #{$!}"
end
when "#ifeq"
if params[0] =~ /^[0-9A-Fa-f]+$/ && 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 "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]
when "plural"
params.first.to_i > 1 ? params[1] : params[2]
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
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#function_name ⇒ Object
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 37
def function_name
@fname
end
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#is_function? ⇒ Boolean
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 161
def is_function?
self.function_name.nil? || self.function_name.blank? ? false : true
end
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#is_param? ⇒ Boolean
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 157
def is_param?
@tag_size == 3 ? true : false
end
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#skip_html? ⇒ Boolean
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 25
def skip_html?
false
end
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 17
def tag_size
@tag_size
end
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#tag_size=(val) ⇒ Object
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 21
def tag_size=(val)
@tag_size = val
end
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#tag_start ⇒ Object
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 29
def tag_start
@tag_start
end
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#tag_start=(val) ⇒ Object
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 33
def tag_start=(val)
@tag_start = val
end
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# File 'lib/wikicloth/wiki_buffer/var.rb', line 41
def to_s
if self.is_function?
ret = default_functions(function_name,params.collect { |p| p.strip })
ret ||= @options[:link_handler].function(function_name, params.collect { |p| p.strip })
ret.to_s
elsif self.is_param?
ret = nil
@options[:buffer].buffers.reverse.each do |b|
ret = b.get_param(params[0],params[1]) if b.instance_of?(WikiBuffer::HTMLElement) && b.element_name == "template"
end
ret.to_s
else
template_stack = @options[:buffer].buffers.collect { |b| b.get_param("__name") if b.instance_of?(WikiBuffer::HTMLElement) &&
b.element_name == "template" }.compact
if template_stack.last == params[0]
debug_tree = @options[:buffer].buffers.collect { |b| b.debug }.join("-->")
"<span class=\"error\">Template loop detected: {{#{debug_tree}}}</span>"
else
ret = @options[:link_handler].include_resource("#{params[0]}".strip,params[1..-1]).to_s
ret.gsub!(/<!--(.|\s)*?-->/,"")
count = 0
tag_attr = self.params[1..-1].collect { |p|
if p.instance_of?(Hash)
"#{p[:name]}=\"#{p[:value]}\""
else
count += 1
"#{count}=\"#{p}\""
end
}.join(" ")
self.data = ret.blank? ? "" : "<template __name=\"#{params[0]}\" #{tag_attr}>#{ret}</template>"
""
end
end
end
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