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package org.pacien.pandoc.filter.plantuml
import net.sourceforge.plantuml.FileFormat
import net.sourceforge.plantuml.FileFormatOption
import net.sourceforge.plantuml.SourceStringReader
import java.io.ByteArrayOutputStream
object PlantUml {
private val OUTPUT_FORMAT = FileFormatOption(FileFormat.LATEX_NO_PREAMBLE)
private fun SourceStringReader.generateImage(outputFormat: FileFormatOption) =
ByteArrayOutputStream().use { buffer ->
generateImage(buffer, outputFormat)
buffer.toString().lineSequence()
}
fun renderTikz(plantuml: String) =
SourceStringReader(plantuml)
.generateImage(OUTPUT_FORMAT)
.toLatex()
}
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