Refactor out a url_for method
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Ben Hollis
parent
3bdbc11db2
commit
6fa6c021c0
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@ -105,6 +105,78 @@ module Middleman
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asset_url(source, asset_folder)
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end
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# Given a source path (referenced either absolutely or relatively)
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# or a Resource, this will produce the nice URL configured for that
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# path, respecting :relative_links, directory indexes, etc.
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def url_for(path_or_resource, options={})
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# Handle Resources and other things which define their own url method
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url = path_or_resource.respond_to?(:url) ? path_or_resource.url : path_or_resource
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begin
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uri = URI(url)
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rescue URI::InvalidURIError
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# Nothing we can do with it, it's not really a URI
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return url
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end
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relative = options.delete(:relative)
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raise "Can't use the relative option with an external URL" if relative && uri.host
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# Allow people to turn on relative paths for all links with
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# set :relative_links, true
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# but still override on a case by case basis with the :relative parameter.
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effective_relative = relative || false
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effective_relative = true if relative.nil? && relative_links
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# Try to find a sitemap resource corresponding to the desired path
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this_resource = current_resource # store in a local var to save work
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if path_or_resource.is_a?(Sitemap::Resource)
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resource = path_or_resource
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resource_url = url
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elsif this_resource && uri.path
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# Handle relative urls
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url_path = Pathname(uri.path)
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current_source_dir = Pathname('/' + this_resource.path).dirname
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url_path = current_source_dir.join(url_path) if url_path.relative?
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resource = sitemap.find_resource_by_path(url_path.to_s)
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resource_url = resource.url if resource
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end
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if resource
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# Switch to the relative path between this_resource and the given resource
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# if we've been asked to.
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if effective_relative
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# Output urls relative to the destination path, not the source path
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current_dir = Pathname('/' + this_resource.destination_path).dirname
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relative_path = Pathname(resource_url).relative_path_from(current_dir).to_s
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# Put back the trailing slash to avoid unnecessary Apache redirects
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if resource_url.end_with?('/') && !relative_path.end_with?('/')
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relative_path << '/'
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end
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uri.path = relative_path
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else
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uri.path = resource_url
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end
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else
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# If they explicitly asked for relative links but we can't find a resource...
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raise "No resource exists at #{url}" if relative
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end
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# Support a :query option that can be a string or hash
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if query = options.delete(:query)
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uri.query = query.respond_to?(:to_param) ? query.to_param : query.to_s
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end
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# Support a :fragment or :anchor option just like Padrino
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fragment = options.delete(:anchor) || options.delete(:fragment)
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uri.fragment = fragment.to_s if fragment
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# Finally make the URL back into a string
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uri.to_s
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end
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# Overload the regular link_to to be sitemap-aware - if you
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# reference a source path, either absolutely or relatively,
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# you'll get that resource's nice URL. Also, there is a
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@ -124,69 +196,9 @@ module Middleman
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if url = args[url_arg_index]
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options = args[options_index] || {}
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relative = options.delete(:relative)
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# Handle Resources, which define their own url method
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if url.respond_to? :url
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url = args[url_arg_index] = url.url
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end
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if url.include? '://'
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raise "Can't use the relative option with an external URL" if relative
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elsif current_resource
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# Handle relative urls
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current_source_dir = Pathname('/' + current_resource.path).dirname
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begin
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uri = URI(url)
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url_path = uri.path
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rescue
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end
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if url_path
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path = Pathname(url_path)
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url_path = current_source_dir.join(path).to_s if path.relative?
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resource = sitemap.find_resource_by_path(url_path)
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# Allow people to turn on relative paths for all links with config[:relative_links] = true
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# but still override on a case by case basis with the :relative parameter.
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effective_relative = relative || false
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if relative.nil? && relative_links
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effective_relative = true
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end
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if resource
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if effective_relative
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resource_url = resource.url
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# Output urls relative to the destination path, not the source path
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current_dir = Pathname('/' + current_resource.destination_path).dirname
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new_url = Pathname(resource_url).relative_path_from(current_dir).to_s
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# Put back the trailing slash to avoid unnecessary Apache redirects
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if resource_url.end_with?('/') && !new_url.end_with?('/')
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new_url << '/'
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end
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else
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new_url = resource.url
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end
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uri.path = new_url
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args[url_arg_index] = uri.to_s
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else
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raise "No resource exists at #{url}" if relative
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end
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end
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end
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# Support a :query option that can be a string or hash
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if query = options.delete(:query)
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uri = URI(args[url_arg_index])
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uri.query = query.respond_to?(:to_param) ? query.to_param : query.to_s
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args[url_arg_index] = uri.to_s
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end
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# Transform the url through our magic url_for method
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args[url_arg_index] = url_for(url, options)
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end
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super(*args, &block)
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