Add image rendering

examples/document/data/loremIpsum/chapter2.md

@@ -1,6 +1,5 @@
 ---
-type: markdown
+contentType: markdown
-order: 2
 ---
 
 ## Chapter ${section(1)}

examples/document/data/loremIpsum/document.yaml

@@ -4,11 +4,19 @@ authors:
   - name: Alexander Nozik
     affiliation: MIPT
 fragments:
-  - name: chapter1
+  - type: image
-    type: data
+    ref: SPC-logo.png
-  - name: chapter2
+    meta:
-    type: data
+      caption: SPC logo
-  - name: chapter3
+  - type: data
-    type: data
+    name: chapter1
+  - type: data
+    name: chapter2
+  - type: image
+    ref: SPC-logo.png
+    meta:
+      caption: Another SPC logo
+  - type: data
+    name: chapter3
 documentMeta:
   metaValue: Hello world!

examples/document/src/jvmMain/kotlin/main.kt

@@ -35,7 +35,6 @@ fun Application.renderAllDocuments() = snarkApplication {
 
 
 fun main() {
-
     embeddedServer(CIO) {
         renderAllDocuments()
     }.start(true)

snark-html/src/jvmMain/kotlin/space/kscience/snark/html/SnarkHtml.kt

@@ -6,6 +6,7 @@ import io.ktor.http.ContentType
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.io.readByteArray
 import space.kscience.dataforge.actions.Action
+import space.kscience.dataforge.actions.mapping
 import space.kscience.dataforge.actions.transform
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.context.PluginFactory
@@ -107,6 +108,10 @@ public class SnarkHtml : WorkspacePlugin() {
 
     public val parseAction: Action<Binary, Any> = ParseAction(this)
 
+    public val layoutAction: Action<Any, Any> = Action.mapping {
+
+    }
+
     private val allDataNotNull: DataSelector<Any>
         get() = DataSelector { workspace, _ -> workspace.data.filterByType() }
 

snark-html/src/jvmMain/kotlin/space/kscience/snark/html/document/DocumentBuilder.kt

@@ -7,14 +7,12 @@ import space.kscience.dataforge.context.info
 import space.kscience.dataforge.context.logger
 import space.kscience.dataforge.context.request
 import space.kscience.dataforge.data.*
+import space.kscience.dataforge.io.Binary
 import space.kscience.dataforge.meta.Laminate
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.get
 import space.kscience.dataforge.meta.string
-import space.kscience.dataforge.names.Name
+import space.kscience.dataforge.names.*
-import space.kscience.dataforge.names.cutLast
-import space.kscience.dataforge.names.endsWith
-import space.kscience.dataforge.names.parseAsName
 import space.kscience.snark.SnarkBuilder
 import space.kscience.snark.SnarkContext
 import space.kscience.snark.html.*
@@ -26,7 +24,7 @@ import kotlin.reflect.typeOf
 @SnarkBuilder
 public interface DocumentBuilder : SnarkContext {
 
-    public val documentName: Name
+    public val route: Name
 
     public val documentMeta: Meta
 
@@ -51,7 +49,7 @@ private class PageBasedDocumentBuilder(
     val page: PageContextWithData,
     private val dataRootName: Name,
 ) : DocumentBuilder {
-    override val documentName: Name get() = page.pageRoute
+    override val route: Name get() = page.pageRoute
     override val documentMeta: Meta get() = page.pageMeta
     override val data: DataTree<*> = page.data.branch(dataRootName) ?: DataTree.EMPTY
 
@@ -63,11 +61,10 @@ private class PageBasedDocumentBuilder(
 
     override suspend fun fragment(fragment: DocumentFragment, overrideMeta: Meta?) {
         when (fragment) {
-
             is ImageDocumentFragment -> fragment {
                 figure("snark-figure") {
                     img(classes = "snark-image") {
-                        src = fragment.path
+                        src = resolveRef(this@PageBasedDocumentBuilder.route.toWebPath() + "/" + fragment.ref)
                         alt = fragment.meta["alt"].string ?: ""
                     }
                     fragment.meta["caption"].string?.let { caption ->
@@ -115,36 +112,23 @@ private class PageBasedDocumentBuilder(
 }
 
 public fun SiteContextWithData.document(
-    documentName: Name,
-    documentMeta: Meta = Meta.EMPTY,
-    headers: MetaDataContent.() -> Unit = {},
-    block: suspend DocumentBuilder.() -> Unit,
-): Unit = page(documentName, documentMeta) {
-    val documentBuilder = runBlocking { PageBasedDocumentBuilder(page, documentName).apply { block() } }
-    head {
-        title(documentMeta["title"].string ?: "Snark document")
-        headers()
-    }
-    body {
-        postprocess(FtlDocumentProcessor(this@document.context, documentBuilder)) {
-            documentBuilder.fragments.forEach {
-                fragment(it)
-            }
-        }
-    }
-}
-
-public fun SiteContextWithData.document(
-    route: Name,
     dataName: Name,
-    descriptor: DocumentDescriptor,
+    descriptor: DocumentDescriptor = DocumentDescriptor.empty(),
+    route: Name = dataName,
     headers: MetaDataContent.() -> Unit = {},
-): Unit = page(route, descriptor.documentMeta ?: Meta.EMPTY) {
+    documentBlock: DocumentBuilder.() -> Unit = {},
+): Unit {
+    siteData.branch(dataName)?.filterByType<Binary>()?.forEach {
+        static(route + it.name.last(), it.data)
+    }
+    page(route, descriptor.documentMeta ?: Meta.EMPTY) {
+        //TODO think about avoiding blocking
         val documentBuilder = runBlocking {
             PageBasedDocumentBuilder(page, dataName).apply {
                 descriptor.fragments.forEach {
                     fragment(it)
                 }
+                documentBlock()
             }
         }
         head {
@@ -165,6 +149,7 @@ public fun SiteContextWithData.document(
                 }
             }
         }
+    }
 }
 
 public fun SiteContextWithData.allDocuments(
@@ -178,9 +163,9 @@ public fun SiteContextWithData.allDocuments(
                 val route = descriptor.route?.parseAsName(false) ?: directory
                 context.logger.info { "Loading document $route" }
                 document(
-                    route = route,
                     dataName = directory,
                     descriptor = descriptor,
+                    route = route,
                     headers = headers
                 )
             }

snark-html/src/jvmMain/kotlin/space/kscience/snark/html/document/DocumentFragment.kt

@@ -20,7 +20,7 @@ public class MarkupDocumentFragment(
 @Serializable
 @SerialName("image")
 public class ImageDocumentFragment(
-    public val path: String,
+    public val ref: String,
     override val meta: Meta = Meta.EMPTY,
 ) : DocumentFragment
 

snark-html/src/jvmMain/kotlin/space/kscience/snark/html/document/FtlDocumentProcessor.kt

@@ -59,7 +59,7 @@ public class FtlDocumentProcessor(
     }
 
     private val data = mapOf(
-        "documentName" to document.documentName.toStringUnescaped(),
+        "documentName" to document.route.toStringUnescaped(),
 
         "label" to TemplateMethodModelEx { args: List<Any?> ->
             val counter = args.getOrNull(0)?.toString() ?: "@default"

snark-html/src/jvmMain/kotlin/space/kscience/snark/html/document/RegexDocumentProcessor.kt

@@ -42,7 +42,7 @@ public class RegexDocumentProcessor(public val document: DocumentBuilder) : Text
         when (match.groups["function"]?.value) {
 
             "documentName" -> {
-                document.documentName.toStringUnescaped()
+                document.route.toStringUnescaped()
             }
 
             "label" -> {
@@ -77,7 +77,7 @@ public class RegexDocumentProcessor(public val document: DocumentBuilder) : Text
     }.replace(attributeRegex) { match ->
         val uri = URI(match.groups["uri"]!!.value)
         val snarkUrl = when (uri.authority) {
-            "documentName" -> document.documentName.toStringUnescaped()
+            "documentName" -> document.route.toStringUnescaped()
 //            "ref" -> page.resolveRef(uri.path)
             "meta" -> document.documentMeta[uri.path.parseAsName()].string ?: "@null"
             else -> match.value