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# File 'lib/bem_html.rb', line 5
def self.parse(content)
html_doc = Nokogiri::HTML(content)
html_doc.xpath('.//*[@bem-block]|*[@bem-block]').each do |blockNode|
currentBlock = blockNode["bem-block"]
blockNode.attributes["bem-block"].remove
if(not blockNode['class'])
blockNode['class'] = ""
end
blockNode['class'] += " #{currentBlock}"
nextBlock = [currentBlock]
if(blockNode.attributes["bem-modifiers"])
JSON.parse(blockNode.attributes["bem-modifiers"].value.gsub(/\:(\w+)/,'"\1"')).each do |modifier|
nextBlock.push("#{currentBlock}--#{modifier}")
blockNode['class'] += " #{currentBlock}--#{modifier}"
end
blockNode.attributes["bem-modifiers"].remove
end
processingQueue = [[nextBlock, blockNode.children]]
while processingQueue.length > 0
topQueue = processingQueue.shift
currentBlock = topQueue[0]
nodes = topQueue[1]
nodes.each do |node|
next if not node.attributes
next if node.attributes["bem-block"]
next if not node.attributes["bem-element"]
if(not node['class'])
node['class'] = ""
end
element = node.attributes["bem-element"]
node.attributes["bem-element"].remove
if(currentBlock.respond_to? :push)
nextBlock = currentBlock.map do |cb|
node['class'] += " #{cb}__#{element}"
"#{cb}__#{element}"
end
else
nextBlock = "#{currentBlock}__#{element}"
node['class'] += " #{nextBlock}"
end
if(node.attributes["bem-modifiers"])
JSON.parse(node.attributes["bem-modifiers"].value.gsub(/\:(\w+)/,'"\1"')).each do |modifier|
if(currentBlock.respond_to? :push)
currentBlock.each do |cb|
node['class'] += " #{cb}__#{element}--#{modifier}"
nextBlock.push("#{cb}__#{element}--#{modifier}")
end
else
node['class'] += " #{currentBlock}__#{element}--#{modifier}"
end
end
node.attributes["bem-modifiers"].remove
end
if(node.children.length > 0)
processingQueue.push([nextBlock, node.children])
end
end
end
end
html_doc.to_s
end
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