commonMain.jetbrains.datalore.vis.svg.SvgNodeBufferUtil.kt Maven / Gradle / Ivy
/*
* Copyright (c) 2019. JetBrains s.r.o.
* Use of this source code is governed by the MIT license that can be found in the LICENSE file.
*/
package jetbrains.datalore.vis.svg
import jetbrains.datalore.vis.svg.slim.WithTextGen
object SvgNodeBufferUtil {
fun generateSvgNodeBuffer(source: SvgNode): StringBuilder {
if (source is WithTextGen) {
val sb = StringBuilder()
(source as WithTextGen).appendTo(sb)
return sb
} else if (source is SvgElement) {
return generateSvgElementBuffer(source)
} else if (source is SvgTextNode) {
return StringBuilder(source.textContent().get())
}
throw IllegalStateException("Can't generate dom for svg node " + source::class.simpleName)
}
private fun generateSvgElementBuffer(source: SvgElement): StringBuilder {
// head
val elementName = source.elementName
val sb = StringBuilder()
sb.append('<').append(elementName)
for (key in source.attributeKeys) {
sb.append(' ').append(key).append("=\"").append(source.getAttribute(key.name).get()).append('\"')
}
sb.append('>')
// content
for (child in source.children()) {
sb.append(generateSvgNodeBuffer(child))
}
// foot
sb.append("')
return sb
}
}