Class: Markdownplus::IncludeHandler

Inherits:
Handler
  • Object
show all
Defined in:
lib/markdownplus/handler.rb

Constant Summary collapse

@@cache = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.cached(url) ⇒ Object 



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# File 'lib/markdownplus/handler.rb', line 26

def self.cached(url)
  return @@cache[url] if @@cache[url]
  @@cache[url] = open(url).read
  @@cache[url]
end

Instance Method Details

#execute(input, parameters, variables, warnings, errors) ⇒ Object 



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# File 'lib/markdownplus/handler.rb', line 8

def execute(input, parameters, variables, warnings, errors)
  output = nil
  warnings << "Include handler ignores input" if(input!=nil && !input.strip.empty?)
  if parameters==nil
    errors << "No url given"
  elsif parameters.count == 0
    errors << "No url given"
  else
    begin
      output = IncludeHandler.cached(parameters.first.to_s)
    rescue => e
      errors << "Error opening [#{parameters.first}] [#{e.message}]"
    end
  end
  output
end