305 lines
9.2 KiB
CoffeeScript
305 lines
9.2 KiB
CoffeeScript
Filter =
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filters: {}
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results: {}
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init: ->
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return unless g.VIEW in ['index', 'thread'] and Conf['Filter']
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unless Conf['Filtered Backlinks']
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$.addClass doc, 'hide-backlinks'
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nsfwBoards = BoardConfig.sfwBoards(false).join(',')
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sfwBoards = BoardConfig.sfwBoards(true).join(',')
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for key of Config.filter
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for line in Conf[key].split '\n'
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continue if line[0] is '#'
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if not (regexp = line.match /\/(.*)\/(\w*)/)
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continue
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# Don't mix up filter flags with the regular expression.
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filter = line.replace regexp[0], ''
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# Comma-separated list of the boards this filter applies to.
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# Defaults to global.
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boardsRaw = filter.match(/boards:([^;]+)/)?[1].toLowerCase()
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if boardsRaw
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boards = {}
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for board in boardsRaw.replace('nsfw', nsfwBoards).replace('sfw', sfwBoards).split(',')
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boards[board] = true
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else
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boards = false
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# boards to exclude from an otherwise global rule
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# due to the sfw and nsfw keywords, also works on all filters
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# replaces 'nsfw' and 'sfw' for consistency
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excludesRaw = filter.match(/exclude:([^;]+)/)?[1].toLowerCase()
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if excludesRaw
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excludes = {}
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for board in excludesRaw.replace('nsfw', nsfwBoards).replace('sfw', sfwBoards).split(',')
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excludes[board] = true
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else
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excludes = false
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if (isstring = (key in ['uniqueID', 'MD5']))
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# MD5 filter will use strings instead of regular expressions.
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regexp = regexp[1]
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else
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try
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# Please, don't write silly regular expressions.
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regexp = RegExp regexp[1], regexp[2]
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catch err
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# I warned you, bro.
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new Notice 'warning', [
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$.tn "Invalid #{key} filter:"
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$.el 'br'
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$.tn line
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$.el 'br'
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$.tn err.message
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], 60
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continue
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# Filter OPs along with their threads or replies only.
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op = filter.match(/[^t]op:(no|only)/)?[1] or ''
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mask = {'no': 1, 'only': 2}[op] or 0
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# Filter only posts with/without files.
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file = filter.match(/file:(no|only)/)?[1] or ''
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mask = mask | ({'no': 4, 'only': 8}[file] or 0)
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# Overrule the `Show Stubs` setting.
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# Defaults to stub showing.
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stub = switch filter.match(/stub:(yes|no)/)?[1]
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when 'yes'
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true
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when 'no'
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false
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else
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Conf['Stubs']
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# Desktop notification
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noti = /notify/.test filter
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# Highlight the post.
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# If not specified, the highlight class will be filter-highlight.
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if (hl = /highlight/.test filter)
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hl = filter.match(/highlight:([\w-]+)/)?[1] or 'filter-highlight'
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# Put highlighted OP's thread on top of the board page or not.
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# Defaults to on top.
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top = filter.match(/top:(yes|no)/)?[1] or 'yes'
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top = top is 'yes' # Turn it into a boolean
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# Fields that this filter applies to (for 'general' filters)
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if key is 'general'
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if (types = filter.match /(?:^|;)\s*type:([^;]*)/)
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types = types[1].split(',').filter (x) ->
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x of Config.filter and x isnt 'general'
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else
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types = ['subject', 'name', 'filename', 'comment']
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# Hide the post (default case).
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hide = !(hl or noti)
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filter = {isstring, regexp, boards, excludes, mask, hide, stub, hl, top, noti}
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if key is 'general'
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for type in types
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(@filters[type] or= []).push filter
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else
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(@filters[key] or= []).push filter
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return unless Object.keys(@filters).length
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Callbacks.Post.push
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name: 'Filter'
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cb: @node
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test: (post, hideable=true) ->
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return post.filterResults if post.filterResults
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hide = false
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stub = true
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hl = undefined
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top = false
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noti = false
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if QuoteYou.isYou(post)
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hideable = false
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mask = (if post.isReply then 2 else 1)
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mask = (mask | (if post.file then 4 else 8))
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for key of Filter.filters when ((value = Filter.value key, post)?)
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# Continue if there's nothing to filter (no tripcode for example).
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for filter in Filter.filters[key]
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continue if (
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(filter.boards and !filter.boards[post.boardID]) or
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(filter.excludes and filter.excludes[post.boardID]) or
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(filter.mask & mask) or
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(if filter.isstring then (filter.regexp isnt value) else !filter.regexp.test(value))
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)
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if filter.hide
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if hideable
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hide = true
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stub and= filter.stub
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else
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unless hl and filter.hl in hl
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(hl or= []).push filter.hl
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top or= filter.top
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if filter.noti
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noti = true
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if hide
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{hide, stub}
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else
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{hl, top, noti}
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node: ->
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return if @isClone
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{hide, stub, hl, top, noti} = Filter.test @, (!@isFetchedQuote and (@isReply or g.VIEW is 'index'))
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if hide
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if @isReply
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PostHiding.hide @, stub
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else
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ThreadHiding.hide @thread, stub
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else
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if hl
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@highlights = hl
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$.addClass @nodes.root, hl...
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if noti and Unread.posts and (@ID > Unread.lastReadPost) and not QuoteYou.isYou(@)
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Unread.openNotification @, ' triggered a notification filter'
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isHidden: (post) ->
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!!Filter.test(post).hide
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valueF:
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postID: (post) -> "#{post.ID}"
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name: (post) -> post.info.name
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uniqueID: (post) -> post.info.uniqueID or ''
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tripcode: (post) -> post.info.tripcode
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capcode: (post) -> post.info.capcode
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pass: (post) -> post.info.pass
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subject: (post) -> post.info.subject or (if post.isReply then undefined else '')
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comment: (post) -> (post.info.comment ?= Build.parseComment post.info.commentHTML.innerHTML)
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flag: (post) -> post.info.flag
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filename: (post) -> post.file?.name
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dimensions: (post) -> post.file?.dimensions
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filesize: (post) -> post.file?.size
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MD5: (post) -> post.file?.MD5
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value: (key, post) ->
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Filter.valueF[key](post)
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addFilter: (type, re, cb) ->
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$.get type, Conf[type], (item) ->
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save = item[type]
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# Add a new line before the regexp unless the text is empty.
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save =
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if save
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"#{save}\n#{re}"
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else
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re
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$.set type, save, cb
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quickFilterMD5: ->
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post = Get.postFromNode @
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return unless post.file
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Filter.addFilter 'MD5', "/#{post.file.MD5}/"
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origin = post.origin or post
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if origin.isReply
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PostHiding.hide origin
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else if g.VIEW is 'index'
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ThreadHiding.hide origin.thread
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# If post is still visible, give an indication that the MD5 was filtered.
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if post.nodes.post.getBoundingClientRect().height
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new Notice 'info', 'MD5 filtered.', 2
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escape: (value) ->
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value.replace ///
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/
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| \\
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| \^
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| \$
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| \n
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| \.
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| \(
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| \)
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| \{
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| \}
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| \[
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| \]
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| \?
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| \*
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| \+
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| \|
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///g, (c) ->
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if c is '\n'
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'\\n'
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else if c is '\\'
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'\\\\'
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else
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"\\#{c}"
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menu:
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init: ->
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return unless g.VIEW in ['index', 'thread'] and Conf['Menu'] and Conf['Filter']
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div = $.el 'div',
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textContent: 'Filter'
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entry =
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el: div
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order: 50
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open: (post) ->
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Filter.menu.post = post
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true
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subEntries: []
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for type in [
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['Name', 'name']
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['Unique ID', 'uniqueID']
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['Tripcode', 'tripcode']
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['Capcode', 'capcode']
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['Pass Date', 'pass']
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['Subject', 'subject']
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['Comment', 'comment']
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['Flag', 'flag']
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['Filename', 'filename']
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['Image dimensions', 'dimensions']
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['Filesize', 'filesize']
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['Image MD5', 'MD5']
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]
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# Add a sub entry for each filter type.
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entry.subEntries.push Filter.menu.createSubEntry type[0], type[1]
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Menu.menu.addEntry entry
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createSubEntry: (text, type) ->
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el = $.el 'a',
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href: 'javascript:;'
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textContent: text
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el.dataset.type = type
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$.on el, 'click', Filter.menu.makeFilter
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return {
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el: el
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open: (post) ->
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value = Filter.value type, post
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value?
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}
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makeFilter: ->
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{type} = @dataset
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# Convert value -> regexp, unless type is MD5
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value = Filter.value type, Filter.menu.post
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re = if type in ['uniqueID', 'MD5'] then value else Filter.escape(value)
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re = if type in ['uniqueID', 'MD5']
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"/#{re}/"
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else
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"/^#{re}$/"
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Filter.addFilter type, re, ->
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# Open the settings and display & focus the relevant filter textarea.
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Settings.open 'Filter'
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section = $ '.section-container'
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select = $ 'select[name=filter]', section
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select.value = type
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Settings.selectFilter.call select
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$.onExists section, 'textarea', (ta) ->
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tl = ta.textLength
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ta.setSelectionRange tl, tl
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ta.focus()
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