Expand globs for templates + files & Add default prompt value

app/resources/META-INF/native-image/reflect-config.json

@@ -1,5 +1,9 @@
 [
 {
   "name":"com.electronwill.nightconfig.toml.TomlFormat"
+},
+{
+  "name":"java.util.Map$Entry",
+  "allPublicMethods":true
 }
 ]

app/src/Config.kt

@@ -3,17 +3,26 @@ package scaffold
 import com.electronwill.nightconfig.core.Config
 import com.electronwill.nightconfig.core.UnmodifiableConfig
 import com.electronwill.nightconfig.core.file.FileConfig
+import java.nio.file.Files
+import java.nio.file.Files.isRegularFile
 import java.nio.file.Path
+import kotlin.streams.toList
 
 data class GeneratorConfig(
-    val templates: List<String>,
+    val templates: List<Path>,
     val files: List<Path>,
     val prompts: Map<String, List<PromptValue>>
 )
 
 fun Generator.loadConfig(): GeneratorConfig {
     val config: UnmodifiableConfig = FileConfig.of(rootPath.resolve("config.toml")).apply { load() }
-    val templates = config.get<List<String>>("templates")
+
+    val allFiles = Files.walk(treeRoot).filter { isRegularFile(it) }.toList()
+
+    fun List<String>.expandGlobs() = flatMap { Globs.matches(allFiles, treeRoot, it) }
+
+    val files = config.get<List<String>>("files").expandGlobs()
+    val templates = config.get<List<String>>("templates").expandGlobs()
 
     val prompts = mutableMapOf<String, MutableList<PromptValue>>()
     val section = config.get<Any?>("prompt") ?: error("Missing prompt section")
@@ -28,6 +37,7 @@ fun Generator.loadConfig(): GeneratorConfig {
             val promptValue = PromptValue(
                 name = prompt.get("name") ?: error("Missing name"),
                 info = prompt.get("info"),
+                default = prompt.get("default"),
                 type = prompt.getEnum("type", PromptType::class.java) ?: PromptType.String
             )
 
@@ -37,10 +47,5 @@ fun Generator.loadConfig(): GeneratorConfig {
 
     }
 
-    val files = config.get<List<String>>("files").flatMap { path ->
-        if ("*" in path) FileGlob.listFiles(treeRoot, path)
-        else listOf(treeRoot.resolve(path))
-    }
-
     return GeneratorConfig(templates, files, prompts)
-}
+}

app/src/FileGlob.kt

@@ -1,22 +0,0 @@
-package scaffold
-
-import java.nio.file.*
-import java.nio.file.attribute.BasicFileAttributes
-
-object FileGlob {
-
-    fun listFiles(root: Path, glob: String): MutableList<Path> {
-        val matcher = FileSystems.getDefault().getPathMatcher("glob:$root/$glob")
-
-        val matches = mutableListOf<Path>()
-
-        Files.walkFileTree(root, object : SimpleFileVisitor<Path>() {
-            override fun visitFile(file: Path, attrs: BasicFileAttributes?): FileVisitResult {
-                if (matcher.matches(file)) matches.add(file)
-                return FileVisitResult.CONTINUE
-            }
-        })
-
-        return matches
-    }
-}

app/src/Globs.kt

@@ -0,0 +1,11 @@
+package scaffold
+
+import java.nio.file.FileSystems
+import java.nio.file.Path
+
+object Globs {
+    fun matches(allFiles: List<Path>, root: Path, glob: String): List<Path> {
+        val matcher = FileSystems.getDefault().getPathMatcher("glob:$root/$glob")
+        return allFiles.filter(matcher::matches)
+    }
+}

app/src/PromptValue.kt

@@ -5,5 +5,6 @@ enum class PromptType { String }
 data class PromptValue(
     val name: String,
     val info: String?,
+    val default: String?,
     val type: PromptType,
 )

app/src/Scaffold.kt

@@ -19,11 +19,11 @@ fun main(args: Array<String>) {
     }
 
     val scaffoldConfigDirectory = configDirectory.resolve("scaffold")
-    val generatorService = Generators(scaffoldConfigDirectory)
+    val generators = Generators(scaffoldConfigDirectory)
 
     Scaffold().subcommands(
-        ListCommand(generatorService),
-        GenerateCommand(generatorService),
-        NewCommand(generatorService)
+        ListCommand(generators),
+        GenerateCommand(generators),
+        NewCommand(generators)
     ).main(args)
 }

app/src/commands/GenerateCommand.kt

@@ -32,10 +32,13 @@ class GenerateCommand(private val generators: Generators) : CliktCommand("genera
         for ((path, prompts) in config.prompts) {
             val map = mutableMapOf<String, Any>()
             templateContext[path] = map
-            for ((name, info, type) in prompts) {
+            for ((name, info, default, type) in prompts) {
                 if (type != PromptType.String) TODO()
 
-                val value = prompt(info ?: name)!!
+                val value = prompt(
+                    text = info ?: "$path.$name",
+                    default = default
+                )!!
                 map[name] = value
             }
         }
@@ -47,9 +50,9 @@ class GenerateCommand(private val generators: Generators) : CliktCommand("genera
             .build()!!
 
         for (template in config.templates) {
-            val renderedTemplate = pebble.getTemplate(template)(templateContext)
-            val outputPath = output.resolve(template)
-
+            val templatePath = generator.treeRoot.relativize(template).toString()
+            val renderedTemplate = pebble.getTemplate(templatePath)(templateContext)
+            val outputPath = output.resolve(templatePath)
             Files.createDirectories(outputPath.parent)
             Files.writeString(outputPath, renderedTemplate)
         }

app/src/commands/ListCommand.kt

@@ -4,5 +4,15 @@ import com.github.ajalt.clikt.core.CliktCommand
 import scaffold.Generators
 
 class ListCommand(private val generators: Generators) : CliktCommand("list") {
-    override fun run() = echo(generators.findAll().joinToString(" ") { it.last().toString() })
+    override fun run() {
+        val generators = generators.findAll()
+
+        if (generators.isEmpty()) {
+            echo("No generators yet, you can create one with `scaffold new`")
+        } else {
+            generators.forEach {
+                echo(it.last())
+            }
+        }
+    }
 }