Manual highlighting webhelp (#2079)

* Add manual code highlighting

* Fix test

* Add kotlinAsJava highlighting

* Add runtime highlighting via Prism

* Add copy-button for code block

* Add tests and refactor

* Replace `<br>` for prism.js

* Parse trivial default values

Co-authored-by: Marcin Aman <marcin.aman@gmail.com>

1 files changed, 10 insertions, 5 deletions

diff --git a/plugins/base/src/main/kotlin/renderers/html/HtmlRenderer.kt b/plugins/base/src/main/kotlin/renderers/html/HtmlRenderer.kt
index 3cf914ce..31753332 100644
--- a/plugins/base/src/main/kotlin/renderers/html/HtmlRenderer.kt
+++ b/plugins/base/src/main/kotlin/renderers/html/HtmlRenderer.kt
@@ -677,13 +677,15 @@ open class HtmlRenderer(
         pageContext: ContentPage
     ) {
         div("sample-container") {
-            val stylesWithBlock = code.style + TextStyle.Block
-            code(stylesWithBlock.joinToString(" ") { it.toString().toLowerCase() }) {
-                attributes["theme"] = "idea"
-                pre {
+            val codeLang = "lang-" + code.language.ifEmpty { "kotlin" }
+            val stylesWithBlock = code.style + TextStyle.Block + codeLang
+            pre {
+                code(stylesWithBlock.joinToString(" ") { it.toString().toLowerCase() }) {
+                    attributes["theme"] = "idea"
                     code.children.forEach { buildContentNode(it, pageContext) }
                 }
             }
+            copyButton()
         }
     }
 
@@ -691,7 +693,9 @@ open class HtmlRenderer(
         code: ContentCodeInline,
         pageContext: ContentPage
     ) {
-        code {
+        val codeLang = "lang-" + code.language.ifEmpty { "kotlin" }
+        val stylesWithBlock = code.style + codeLang
+        code(stylesWithBlock.joinToString(" ") { it.toString().toLowerCase() }) {
             code.children.forEach { buildContentNode(it, pageContext) }
         }
     }
@@ -725,6 +729,7 @@ open class HtmlRenderer(
             TextStyle.Italic -> i { body() }
             TextStyle.Strikethrough -> strike { body() }
             TextStyle.Strong -> strong { body() }
+            is TokenStyle -> span("token " + styleToApply.toString().toLowerCase()) { body() }
             else -> body()
         }
     }