59 lines
1.9 KiB
Scala
59 lines
1.9 KiB
Scala
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import scala.io.Source
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import java.net.URL
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import sys.process._
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import scala.io.Source
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import scala.concurrent.{Await, Future}
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import scala.concurrent.duration._
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import scala.concurrent.ExecutionContext.Implicits.global
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def isImage(url: String): Boolean = {
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val connection = URL(url).openConnection()
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connection.setDoOutput(false)
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val contentType = connection.getHeaderField("Content-Type")
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contentType match {
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case null => return false
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case contentType: String => contentType.startsWith("image/")
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}
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}
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@main
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def imagePager(kittyString: String, newsboatArticle: String) = {
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val kitty = kittyString.toBoolean
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val urlPattern = """https?://\S+""".r
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val images = Source.fromFile(newsboatArticle)
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.getLines
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.flatMap(urlPattern.findAllIn(_))
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.map(url => Future { (url, isImage(url)) })
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.toList
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val filteredImages = Await.result(Future.sequence(images), Duration.Inf)
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.collect { case (url, true) => url }
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if (!filteredImages.isEmpty) {
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kitty match {
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case true => {
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//val cols = s"tput cols".!!
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//val lines = s"tput lines".!!
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//val dimensions = s"${cols}x${lines}@0x0".replaceAll("\n", "")
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// This code is mostly from @heussd's kitty-imager-pager.sh bash script
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// for rendering images with kitty (pull request #1956 on newsboat)
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val kittyImages = filteredImages
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.map(image => s"kitty +kitten icat --hold --scale-up --place \"$$dims\" $image")
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.toSeq
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(Seq(
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"dims=\"$(tput cols)x$(tput lines)@0x0\"",
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"clear",
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"kitty +kitten icat --clear",
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) ++ kittyImages :+ "clear").foreach(println)
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}
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case false => s"feh ${filteredImages.mkString(" ")}".!!
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}
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}
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}
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