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package org.jetbrains.dokka.renderers
import kotlinx.html.*
import kotlinx.html.stream.appendHTML
import org.jetbrains.dokka.pages.*
import org.jetbrains.dokka.plugability.DokkaContext
import org.jetbrains.dokka.resolvers.LocationProvider
import java.io.File
import java.net.URL
open class HtmlRenderer(
fileWriter: FileWriter,
locationProvider: LocationProvider,
context: DokkaContext
) : DefaultRenderer<FlowContent>(fileWriter, locationProvider, context) {
override fun FlowContent.buildList(node: ContentList, pageContext: PageNode) =
if (node.ordered) ol {
buildListItems(node.children, pageContext)
}
else ul {
buildListItems(node.children, pageContext)
}
protected open fun OL.buildListItems(items: List<ContentNode>, pageContext: PageNode) {
items.forEach {
if (it is ContentText)
li { it.build(this, pageContext) }
else buildList(it as ContentList, pageContext)
}
}
protected open fun UL.buildListItems(items: List<ContentNode>, pageContext: PageNode) {
items.forEach {
if (it is ContentText)
li { it.build(this, pageContext) }
else buildList(it as ContentList, pageContext)
}
}
override fun FlowContent.buildResource(
node: ContentEmbeddedResource,
pageContext: PageNode
) { // TODO: extension point there
val imageExtensions = setOf("png", "jpg", "jpeg", "gif", "bmp", "tif", "webp", "svg")
return if (File(node.address).extension.toLowerCase() in imageExtensions) {
//TODO: add imgAttrs parsing
val imgAttrs = node.extras.filterIsInstance<HTMLSimpleAttr>().joinAttr()
img(src = node.address, alt = node.altText)
} else {
println("Unrecognized resource type: $node")
}
}
override fun FlowContent.buildTable(node: ContentTable, pageContext: PageNode) {
table {
thead {
node.header.forEach {
tr {
it.children.forEach {
th {
it.build(this@table, pageContext)
}
}
}
}
}
tbody {
node.children.forEach {
tr {
it.children.forEach {
td {
it.build(this, pageContext)
}
}
}
}
}
}
}
override fun FlowContent.buildHeader(level: Int, content: FlowContent.() -> Unit) {
when (level) {
1 -> h1(block = content)
2 -> h2(block = content)
3 -> h3(block = content)
4 -> h4(block = content)
else -> h5(block = content)
}
}
override fun FlowContent.buildNavigation(page: PageNode) {
locationProvider.ancestors(page).forEach { node ->
text("/")
buildLink(locationProvider.resolve(node, page)) {
text(node.name)
}
}
}
override fun buildError(node: ContentNode) {
context.logger.error("Unknown ContentNode type: $node")
}
override fun FlowContent.buildNewLine() { br() }
override fun FlowContent.buildLink(address: String, content: FlowContent.() -> Unit) {
a (href = address, block = content)
}
override fun FlowContent.buildCode(code: List<ContentNode>, language: String, pageContext: PageNode) {
buildNewLine()
code.forEach {
+ (it as ContentText).text
buildNewLine()
}
}
override fun FlowContent.buildText(textNode: ContentText) {
text(textNode.text)
}
override fun buildSupportFiles() { // TODO copy file instead of reading
fileWriter.write(
"style.css",
javaClass.getResourceAsStream("/dokka/styles/style.css").reader().readText()
)
}
override fun buildPage(page: PageNode, content: (FlowContent, PageNode) -> Unit): String = StringBuilder().appendHTML().html {
head {
title(page.name)
link(rel = LinkRel.stylesheet, href = "${locationProvider.resolveRoot(page)}style.css")
page.embeddedResources.filter { URL(it).path.substringAfterLast('.') == "js" }
.forEach { script(type = ScriptType.textJavaScript, src = it) { async = true } }
}
body {
content(this, page)
}
}.toString()
protected open fun List<HTMLMetadata>.joinAttr() = this.joinToString(" ") { it.key + "=" + it.value }
}
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