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import java.io.File
import java.nio.file._
import Main.StringExtensionMethods
import scala.io.Source
class ProjectBuilder(
name: String,
defaultPackage: String,
dependencyString: String,
flagsString: String,
location: File,
scalaMajorVersion: String
) {
private val newLine = System.lineSeparator()
private val blankLine = newLine + newLine
private val templateDir = System.getenv("CBT_HOME") / "tools" / "gui" / "resources" / "template-project"
private val projectPath = location.getPath / name
private val buildDir = projectPath / "build"
private val mainDir = projectPath / "src" / "main" / "scala" / defaultPackage.split("\\.").reduce(_ / _)
private val testDir = projectPath / "src" / "test" / "scala" / defaultPackage.split("\\.").reduce(_ / _)
private val dependencies =
if (dependencyString.isEmpty)
""
else {
def parseDependencies(input: String): Seq[Dependency] = {
input.split(" ").map { x =>
val xs = x.split("/")
Dependency(xs(0), xs(1), xs(2))
}
}
val list = parseDependencies(dependencyString)
val str = list.map(" " ++ _.serialized).mkString(s",$newLine")
s""" override def dependencies = {
| super.dependencies ++ Resolver(mavenCentral).bind(
|$str
| )
| }""".stripMargin
}
private val flags = {
val map = flagsString.split(" ").map { x =>
val Array(a, b) = x.split("/")
(a, b)
}.toMap
Flags(map("readme") == "true", map("dotty") == "true", map("uberJar") == "true", map("wartremover") == "true")
}
private val plugins = {
var content = ""
if (flags.dotty)
content += " with Dotty"
if (flags.uberJar)
content += " with UberJar"
if (flags.wartremover)
content += " with WartRemover"
content
}
private val buildBuildDependencies = {
var content = ""
if (flags.uberJar)
content += " :+ plugins.uberJar"
if (flags.wartremover)
content += " :+ plugins.wartremover"
content
}
def build(): Unit = {
new File(buildDir).mkdirs()
new File(mainDir).mkdirs()
new File(testDir).mkdirs()
addBuild()
if (buildBuildDependencies.nonEmpty)
addBuildBuild()
addMain()
addReadme(flags)
}
private def writeTemplate(templatePath: String, targetPath: String, replacements: (String, String, String)*) = {
var content = Source.fromFile(templatePath).mkString
for (replacement <- replacements)
if (replacement._1.nonEmpty)
content = content.replace(replacement._3, replacement._2)
else
content = content.replace(replacement._3, "")
write(new File(targetPath), content, StandardOpenOption.CREATE_NEW)
}
private def addBuild() =
writeTemplate(
templateDir / "build" / "build.scala",
buildDir / "build.scala",
(name, s""" override def name = "$name"$blankLine""", "##name##"),
(dependencyString, dependencies + blankLine, "##dependencies##"),
(plugins, plugins, "##with##")
)
private def addBuildBuild() =
writeTemplate(
templateDir / "build" / "build" / "build.scala",
buildDir / "build" / "build.scala",
(buildBuildDependencies, buildBuildDependencies, "##plus##")
)
private def addMain() =
writeTemplate(
templateDir / "src" / "main" / "scala" / "Main.scala",
mainDir / "Main.scala",
(defaultPackage, s"package $defaultPackage$blankLine", "##package##")
)
private def addReadme(flags: Flags) = {
if (flags.readme) {
val content =
if (name.nonEmpty)
s"# $name$blankLine"
else
""
write(new File(projectPath / "readme.md"), content, StandardOpenOption.CREATE_NEW)
}
}
private case class Dependency(group: String, artifact: String, version: String) {
val nameVersion = """^(.+)_(\d+\.\d+)$""".r
val (name, scalaVersion) = artifact match {
case nameVersion(n, v) => (n, Some(v))
case str => (str, None)
}
def serialized =
if (scalaVersion.contains(scalaMajorVersion))
s"""ScalaDependency("$group", "$name", "$version")"""
else
s"""MavenDependency("$group", "$artifact", "$version")"""
}
private def write(file: File, content: String, option: OpenOption) = {
file.getParentFile.mkdirs()
Files.write(file.toPath, content.getBytes, option)
}
private case class Flags(readme: Boolean, dotty: Boolean, uberJar: Boolean, wartremover: Boolean)
}
|
