Tweak/rewrite Linkify.
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Mayhem
parent
58531319ca
commit
6d5f422c3f
@ -2,91 +2,73 @@ Linkify =
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init: ->
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return if g.VIEW is 'catalog' or !Conf['Linkify']
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@catchAll = /\b(?:([a-z][\w-]+):(?:\/{1,3}|[a-z0-9%]|(\?(?:dn|xl|xt|as|xs|kt|mt|tr)=))|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\((?:[^\s()<>]+|(?:\([^\s()<>]+\)))*\))+(?:\((?:[^\s()<>]+|(?:\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’])/i
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@globalCatchAll = ///#{@catchAll.source}///g
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# gruber revised + magnet support
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# http://rodneyrehm.de/t/url-regex.html
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@catchAll = /\b([a-z][\w-]+:(\/{1,3}|[a-z0-9%]|\?(dn|x[lts]|as|kt|mt|tr)=)|www\d{0,3}\.|[a-z0-9.\-]+\.[a-z]{2,4}\/)([^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’])/g
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Post::callbacks.push
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name: 'Linkify'
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cb: @node
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node: ->
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return if @isClone or !links = @info.comment.match Linkify.globalCatchAll
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walker = d.createTreeWalker @nodes.comment, 4, null, false
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anchor = false
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while (node = walker.nextNode())?
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{parentNode} = node
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if parentNode.nodeName is 'A'
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# prettyprint has some issues
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if parentNode.textContent is links[0]
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delete links[0]
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walker.currentNode = parentNode.lastChild
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continue
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continue unless data = node.data
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while !anchor
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return unless link = links.shift()
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[anchor, link] = Linkify.parseLink link
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if data.length >= link.length and (index = data.indexOf link) >= 0
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walker.currentNode = Linkify.surround anchor, link, index, index + link.length, node
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anchor = false
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continue
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index = found = 0
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nextContent = node.nextSibling?.textContent
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while index isnt data.length
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start = data[index++..]
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startLength = start.length
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threshold = startLength is 2
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if threshold and nextContent and link[...startLength + nextContent.length] is start + nextContent
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found = true
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if threshold or found = link[...startLength] is start
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index--
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break
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continue unless found
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startNode = node
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while start.length < link.length
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start += data = (node = walker.nextNode())?.data
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if Conf['Clean Links']
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{parentNode} = node
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if parentNode.nodeName is 'S' and parentNode.textContent.length < link.length
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$.replace parentNode, node
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continue unless start[...link.length] is link
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endIndex = link[start.length - data.length...].length
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walker.currentNode = Linkify.surround anchor, link, index, endIndex, startNode, node
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anchor = false
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return if @isClone or !links = @info.comment.match Linkify.catchAll
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walker = d.createTreeWalker @nodes.comment, 4
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for link in links
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boundaries = Linkify.find link, walker
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# continue unless boundaries
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anchor = Linkify.createLink link
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if Linkify.surround anchor, link, boundaries
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Linkify.cleanLink anchor if Conf['Clean Links']
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walker.currentNode = anchor.lastChild
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else
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walker.currentNode = boundaries.endNode
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return
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parseLink: (link) ->
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unless result = link.match @catchAll
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return false
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[link, protocol, isMagnet] = result
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try
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decodeURIComponent link
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catch
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return false
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target = if isMagnet or /^(irc|ftps?)$/.test protocol
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'_self'
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else
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'_blank'
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href = if protocol
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link
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else
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"http://#{link}"
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anchor = $.el 'a',
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target: target
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href: href
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rel: 'noreferrer'
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[anchor, link]
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find: (link, walker) ->
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# Walk through the nodes until we find the entire link.
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text = ''
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while node = walker.nextNode()
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{data} = node
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text += node.data
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if text.indexOf(link) > -1
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startNode = endNode = node
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break
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surround: (anchor, link, startIndex, endIndex, startNode, endNode = startNode) ->
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parent = startNode.parentNode
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if parent?.nodeName is 'S' and parent.textContent.length < link.length
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parentClone = parent.cloneNode true
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$.replace parent, startNode
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# Walk backwards to find the startNode.
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text = data
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until (index = text.indexOf link) > -1
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startNode = walker.previousNode()
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text = "#{startNode.data}#{text}"
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return {
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startNode, endNode
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startOffset: index
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endOffset: endNode.length - (text.length - index - link.length)
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}
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createLink: (link) ->
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unless /^[a-z][\w-]+:/.test link
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link = "http://#{link}"
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a = $.el 'a',
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href: link
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target: '_blank'
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a
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surround: (anchor, link, {startOffset, endOffset, startNode, endNode}) ->
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# parent = startNode.parentNode
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# if parent?.nodeName is 'S' and parent.textContent.length < link.length
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# parentClone = parent.cloneNode true
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# $.replace parent, startNode
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range = d.createRange()
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range.setStart startNode, startIndex
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range.setEnd endNode, endIndex
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range.setStart startNode, startOffset
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range.setEnd endNode, endOffset
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try
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range.surroundContents anchor
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if !Conf['Clean Links'] and parentClone and anchor.firstChild
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$.replace anchor.firstChild, parentClone
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endNode
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# if !Conf['Clean Links'] and parentClone and anchor.firstChild
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# $.replace anchor.firstChild, parentClone
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true
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catch
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false
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cleanLink: (anchor) ->
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# TODO
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