src/Pure/Admin/component_foiltex.scala

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/Admin/component_foiltex.scala	Tue Mar 07 22:54:44 2023 +0100
@@ -0,0 +1,105 @@
+/*  Title:      Pure/Admin/component_foiltex.scala
+    Author:     Makarius
+
+Build Isabelle component for FoilTeX.
+
+See also https://ctan.org/pkg/foiltex
+*/
+
+package isabelle
+
+
+object Component_Foiltex {
+  /* build FoilTeX component */
+
+  val default_url = "https://mirrors.ctan.org/macros/latex/contrib/foiltex.zip"
+
+  def build_foiltex(
+    download_url: String = default_url,
+    target_dir: Path = Path.current,
+    progress: Progress = new Progress
+  ): Unit = {
+    Isabelle_System.with_tmp_file("download", ext = "zip") { download_file =>
+      Isabelle_System.with_tmp_dir("download") { download_dir =>
+
+        /* download */
+
+        Isabelle_System.download_file(download_url, download_file, progress = progress)
+        Isabelle_System.extract(download_file, download_dir)
+
+        val foiltex_dir = File.get_dir(download_dir, title = download_url)
+
+
+        /* component */
+
+        val README = Path.explode("README")
+        val version = {
+          val Version = """^.*Instructions for FoilTeX Version\s*(.*)$""".r
+          split_lines(File.read(foiltex_dir + README))
+            .collectFirst({ case Version(v) => v })
+            .getOrElse(error("Failed to detect version in " + README))
+        }
+
+        val component = "foiltex-" + version
+        val component_dir =
+          Components.Directory(target_dir + Path.basic(component)).create(progress = progress)
+
+        Isabelle_System.extract(download_file, component_dir.path, strip = true)
+
+        Isabelle_System.bash("pdflatex foiltex.ins", cwd = component_dir.path.file).check
+        (component_dir.path + Path.basic("foiltex.log")).file.delete()
+
+
+        /* settings */
+
+        component_dir.write_settings("""
+ISABELLE_FOILTEX_HOME="$COMPONENT"
+""")
+
+
+        /* README */
+
+        Isabelle_System.move_file(component_dir.README,
+          component_dir.path + Path.basic("README.flt"))
+
+        File.write(component_dir.README,
+          """This is FoilTeX from
+""" + download_url + """
+
+
+    Makarius
+    """ + Date.Format.date(Date.now()) + "\n")
+      }
+    }
+  }
+
+
+  /* Isabelle tool wrapper */
+
+  val isabelle_tool =
+    Isabelle_Tool("component_foiltex", "build component for FoilTeX",
+      Scala_Project.here,
+      { args =>
+        var target_dir = Path.current
+        var download_url = default_url
+
+        val getopts = Getopts("""
+Usage: isabelle component_foiltex [OPTIONS]
+
+  Options are:
+    -D DIR       target directory (default ".")
+    -U URL       download URL (default: """" + default_url + """")
+
+  Build component for FoilTeX: slides in LaTeX.
+""",
+          "D:" -> (arg => target_dir = Path.explode(arg)),
+          "U:" -> (arg => download_url = arg))
+
+        val more_args = getopts(args)
+        if (more_args.nonEmpty) getopts.usage()
+
+        val progress = new Console_Progress()
+
+        build_foiltex(download_url = download_url, target_dir = target_dir, progress = progress)
+      })
+}