/* Title: Pure/Admin/build_pdfjs.scala
Author: Makarius
Build Isabelle component for Mozilla PDF.js.
See also:
- https://github.com/mozilla/pdf.js
- https://github.com/mozilla/pdf.js/releases
- https://github.com/mozilla/pdf.js/wiki/Setup-PDF.js-in-a-website
*/
package isabelle
object Build_PDFjs {
/* build pdfjs component */
val default_url = "https://github.com/mozilla/pdf.js/releases/download"
val default_version = "2.14.305"
def build_pdfjs(
base_url: String = default_url,
version: String = default_version,
target_dir: Path = Path.current,
progress: Progress = new Progress
): Unit = {
/* component name */
val component = "pdfjs-" + version
val component_dir =
Components.Directory(target_dir + Path.basic(component)).create(progress = progress)
/* download */
val download_url = base_url + "/v" + version
Isabelle_System.with_tmp_file("archive", ext = "zip") { archive_file =>
Isabelle_System.download_file(download_url + "/pdfjs-" + version + "-legacy-dist.zip",
archive_file, progress = progress)
Isabelle_System.extract(archive_file, component_dir.path)
}
/* settings */
component_dir.write_settings("""
ISABELLE_PDFJS_HOME="$COMPONENT"
""")
/* README */
File.write(component_dir.README,
"""This is PDF.js from
""" + download_url + """
Makarius
""" + Date.Format.date(Date.now()) + "\n")
}
/* Isabelle tool wrapper */
val isabelle_tool =
Isabelle_Tool("build_pdfjs", "build component for Mozilla PDF.js",
Scala_Project.here,
{ args =>
var target_dir = Path.current
var base_url = default_url
var version = default_version
val getopts = Getopts("""
Usage: isabelle build_pdfjs [OPTIONS]
Options are:
-D DIR target directory (default ".")
-U URL download URL (default: """" + default_url + """")
-V VERSION version (default: """" + default_version + """")
Build component for PDF.js.
""",
"D:" -> (arg => target_dir = Path.explode(arg)),
"U:" -> (arg => base_url = arg),
"V:" -> (arg => version = arg))
val more_args = getopts(args)
if (more_args.nonEmpty) getopts.usage()
val progress = new Console_Progress()
build_pdfjs(base_url = base_url, version = version, target_dir = target_dir,
progress = progress)
})
}