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5d42774b62
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1061 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
72 lines
2.5 KiB
Ruby
72 lines
2.5 KiB
Ruby
module ActionController
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# Rewrites URLs for Base.redirect_to and Base.url_for in the controller.
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class UrlRewriter #:nodoc:
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RESERVED_OPTIONS = [:anchor, :params, :only_path, :host, :protocol, :trailing_slash]
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def initialize(request, parameters)
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@request, @parameters = request, parameters
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end
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def rewrite(options = {})
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rewrite_url(rewrite_path(options), options)
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end
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def to_str
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"#{@request.protocol}, #{@request.host_with_port}, #{@request.path}, #{@parameters[:controller]}, #{@parameters[:action]}, #{@request.parameters.inspect}"
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end
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alias_method :to_s, :to_str
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private
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def rewrite_url(path, options)
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rewritten_url = ""
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rewritten_url << (options[:protocol] || @request.protocol) unless options[:only_path]
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rewritten_url << (options[:host] || @request.host_with_port) unless options[:only_path]
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rewritten_url << @request.relative_url_root.to_s
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rewritten_url << path
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rewritten_url << '/' if options[:trailing_slash]
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rewritten_url << "##{options[:anchor]}" if options[:anchor]
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return rewritten_url
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end
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def rewrite_path(options)
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options = options.symbolize_keys
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options.update((options[:params] || {}).symbolize_keys)
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RESERVED_OPTIONS.each {|k| options.delete k}
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path, extras = Routing::Routes.generate(options, @request)
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if extras[:overwrite_params]
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params_copy = @request.parameters.reject { |k,v| ["controller","action"].include? k }
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params_copy.update extras[:overwrite_params]
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extras.delete(:overwrite_params)
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extras.update(params_copy)
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end
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path = "/#{path.join('/')}".chomp '/'
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path = '/' if path.empty?
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path += build_query_string(extras)
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return path
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end
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# Returns a query string with escaped keys and values from the passed hash. If the passed hash contains an "id" it'll
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# be added as a path element instead of a regular parameter pair.
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def build_query_string(hash)
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elements = []
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query_string = ""
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hash.each do |key, value|
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key = key.to_s
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key = CGI.escape key
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key += '[]' if value.class == Array
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value = [ value ] unless value.class == Array
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value.each { |val| elements << "#{key}=#{Routing.extract_parameter_value(val)}" }
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end
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query_string << ("?" + elements.join("&")) unless elements.empty?
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return query_string
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end
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end
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end
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