Class: IframeParser

Inherits:
Parser show all
Defined in:
lib/Parsers/IframeParser.rb

Constant Summary collapse

GIST_HOST_REGEX = 
/^https:\/\/gist\.github\.com/.freeze
EMBEDLY_HOST_REGEX = 
/cdn\.embedly\.com/.freeze
TWITTER_URL_REGEX =

Twitter rebranded to X — match both, plus the mobile subdomain. Capture group 1 is the tweet ID (used by parseTwitterEmbed).

/^https:\/\/(?:(?:mobile\.)?twitter|x)\.com\/[^\/]+\/status\/(\d+)/.freeze
YOUTUBE_HOST_REGEX =

Match every YouTube URL form Medium might hand us:

www.youtube.com/watch?v=ID    youtu.be/ID    youtube.com/shorts/ID    m.youtube.com/...

/(?:www\.|m\.)?youtube\.com|youtu\.be/.freeze
VIMEO_URL_REGEX = 
/^https?:\/\/(?:www\.|player\.)?vimeo\.com\/(?:video\/)?(\d+)/.freeze
SOUNDCLOUD_URL_REGEX = 
/^https?:\/\/(?:www\.)?soundcloud\.com\/[^\/]+\/[^?\/]+/.freeze
SPOTIFY_URL_REGEX = 
/^https?:\/\/open\.spotify\.com\/(track|album|episode|playlist|show)\/([A-Za-z0-9]+)/.freeze
WIDGETIC_URL_REGEX = 
/^https:\/\/app\.widgetic\.com/.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Parser

#setNext

Constructor Details

#initialize(isForJekyll, skipImages: false) ⇒ IframeParser

When ‘skipImages: true`, renderThumbnailLink emits the remote thumbnail URL directly without calling ImageDownloader.download or touching pathPolicy. Used by –stdout / –list rendering paths.



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# File 'lib/Parsers/IframeParser.rb', line 34

def initialize(isForJekyll, skipImages: false)
    @isForJekyll = isForJekyll
    @skipImages = skipImages
end

Instance Attribute Details

#isForJekyll ⇒ Object

Returns the value of attribute isForJekyll.



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# File 'lib/Parsers/IframeParser.rb', line 13

def isForJekyll
  @isForJekyll
end

#nextParser ⇒ Object

Returns the value of attribute nextParser.



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# File 'lib/Parsers/IframeParser.rb', line 13

def nextParser
  @nextParser
end

#pathPolicy ⇒ Object

Returns the value of attribute pathPolicy.



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# File 'lib/Parsers/IframeParser.rb', line 13

def pathPolicy
  @pathPolicy
end

Instance Method Details

#parse(paragraph) ⇒ Object 



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# File 'lib/Parsers/IframeParser.rb', line 39

def parse(paragraph)
    return forwardToNext(paragraph) unless paragraph.type == 'IFRAME'
    return unless paragraph.iframe

    url = if paragraph.iframe.src.nil? || paragraph.iframe.src == ""
              "https://medium.com/media/#{paragraph.iframe.id}"
          else
              paragraph.iframe.src
          end

    return parseYoutube(paragraph, url) if url.match?(YOUTUBE_HOST_REGEX)

    # Resolve embedly wrappers up front so we can dispatch on the inner
    # URL without doing an unnecessary HTTP round-trip for hosts we
    # already know how to handle.
    innerURL = unwrapEmbedly(url)

    return parseTwitterEmbed(paragraph, innerURL)         if innerURL.match?(TWITTER_URL_REGEX)
    return nil                                            if innerURL.match?(WIDGETIC_URL_REGEX)
    return parseVimeo(paragraph, url, innerURL)           if innerURL.match?(VIMEO_URL_REGEX)
    return parseSoundCloud(paragraph, innerURL)           if innerURL.match?(SOUNDCLOUD_URL_REGEX)
    return parseSpotify(paragraph, innerURL)              if innerURL.match?(SPOTIFY_URL_REGEX)

    html = Request.html(Request.URL(url))
    return "" unless html

    srcEl = html.search('script').first
    gistSrc = srcEl ? srcEl.attribute('src').to_s : ""

    if gistSrc.match?(GIST_HOST_REGEX)
        parseGist(gistSrc)
    else
        parseOgImageEmbed(paragraph, innerURL)
    end
end