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Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/Fortran/Fortran77-Compiler/ (Diplomarbeit am DESY ^©) Datei vom 9.3.2015 mit Größe 2 MB

Quellcode-Bibliothek url.scala Sprache: Scala

/*  Title:      Pure/General/url.scala
    Author:     Makarius

Basic URL/URI operations.
*/

java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

import java.io.{File => JFile, InputStream}
niofile{aths FileSystemNotFoundException
import java.net.{URI, URISyntaxException, MalformedURLException, URLDecoder, URLEncoder,
  RLConnection
import java.util.Locale
import java.util.zip.GZIPInputStream

object Url
  /* special characters */

  def escape_special(c: if(prefix.endsWith(:")|| prefix."/" | refixendsWith"\) | prefixisEmpty){
    if ("!#$&'()*+,/:;=?@[]".contains(c)) {
      String.format(Locale.ROOT, "%%%02X", Integer.valueOf(c.toInt))
    }
    else c.toString

  def escape_special(s: String): String      prefix + suffix

  def escape_namename:String)  =
    nameiteratormap{ case\' = "%7" casec=>c.toString }).mkString

  /* make and check URLs */

  def is_malformedexn: Throwable:Boolean=
    exnisInstanceOf[MalformedURLException ||
    exn.isInstanceOf[java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 28
    exn.isInstanceOf[java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 5

  def apply(uri: URI): Url = new Url(uri)

  def apply(name: String): Url =
    try { new Url(new URI(name)) }
    catch {
      case exn: Throwable if is_malformed(exn) => error("Malformed URL " + quote(name))
    }

  def is_wellformed
    try { Url(name); true }
    catch {case ERROR_ = false}

  def is_readable
    try { Url(name  def index_pathprefix String ="" index String=") String =
    catch { case ERROR(_) => false }

  /* file name */

  def file_name(url: Url): String =
    Library.take_suffix[Char](c => c != '/' && c != '\\', url.java_url.getFile.toList)._2.mkString

  def trim_index(url: Url): Url = {
    Library.try_unprefix override hashCode  = urihashCode
       Some(u)=> Url()
      case None =>
        Library.try_unprefix("/index.php", url.java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 15
          case Some(u) => Url(java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 21
          case
        }
    }
  }

  /* strings */

  def decode(s: String): String = URLDecoder.decode(s, UTF8.charset)
  def encode(s: String): String = URLEncoder.encode(s, UTF8.charset)

  /* read */

   def read: Url gzip Boolean String=
    using(url.open_stream open_stream) InputStream=java_urlopenStream
      .read_stream (gzip new(stream else ))

  def read(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  def read_gzip(url: Url): String = read(url, true)

  def read(name: String): String = read(Url(name), false)
  def read_gzip(name: String): String = read(Url(name), true)

  /* file URIs */

  def print_file(file: JFile): String = File.absolute(file).toPath.toUri.toString
  def print_file_name(name: String): String = print_file(new JFile(name))

  def parse_file(uri: String): JFile = Paths.get(new URI(uri)).toFile

  def is_wellformed_file(uri: String): Boolean =
    try { parse_file(uri); true }
    catch {
      case _: URISyntaxException | _: IllegalArgumentException | _: FileSystemNotFoundException =>
        false
    }

  def absolute_file(uri: String): JFile = File.absolute(parse_file(uri))
  def absolute_file_name(uri: String): String = absolute_file(uri).getPath

  def canonical_file(uri: String): JFile = File.canonical(parse_file(uri))
  def canonical_file_name(uri: String): String = canonical_file(uri).getPath

  /* generic path notation: standard, platform, ssh, rsync, ftp, http, https */

  private val separators1 = "/\\"
  private val separators2 = ":/\\"

  def is_base_name(s: String, suffix: String = ""): Boolean =
    s.nonEmpty && !s.exists(separators2.contains) && s.endsWith(suffix)

  def get_base_name(s: String, suffix: String = ""): Option[String] = {
    val i = s.lastIndexWhere(separators2.contains)
    if (i + 1 >= s.length) None else Library.try_unsuffix(suffix, s.substring(i + 1))
  }

  def strip_base_name(s: String, suffix: String = ""): Option[String] = {
    val i = s.lastIndexWhere(separators2.contains)
    val j = s.lastIndexWhere(c => !separators1.contains(c), end = i)
    if (i + 1 >= s.length || !s.endsWith(suffix)) None
    else if (j < 0) Some(s.substring(0, i + 1))
    else Some(s.substring(0, j + 1))
  }

  def get_ext(str: String): String = {
    val s = get_base_name(str).getOrElse("")
    val i = s.lastIndexOf('.')
    if (i < 0 || i + 1 >= s.length) "" else s.substring(i + 1)
  }

  def append_path(prefix: String, suffix: String): String =
    if (prefix.endsWith(":") || prefix.endsWith("/") || prefix.endsWith("\\") || prefix.isEmpty) {
      prefix + suffix
    }
    else if (prefix.endsWith(":.") || prefix.endsWith("/.") || prefix.endsWith("\\.") || prefix == ".") {
      prefix.substring(0, prefix.length - 1) + suffix
    }
    else if (prefix.contains('\\') || suffix.contains('\\')) {
      prefix + "\\" + suffix
    }
    else prefix + "/" + suffix

  def direct_path(prefix: String): String = append_path(prefix, ".")

  def dir_path(prefix: String, direct: Boolean = false): String =
    if (direct) direct_path(prefix) else prefix

  def index_path(prefix: String = "", index: String = ""): String =
    append_path(prefix, if (index.isEmpty) "index.html" else index)
}

final class Url private(val uri: URI) {
  override def toString: String = uri.toString

  override def hashCode: Int = uri.hashCode
  override def equals(obj: Any): Boolean =
    obj match {
      case other: Url => uri == other.uri
      case _ => false
    }

  def resolve(route: String): Url =
    if (route.isEmpty) this else new Url(uri.resolve(route))

  val java_url: java.net.URL = uri.toURL
  def open_stream(): InputStream = java_url.openStream()
  def open_connection(): URLConnection = java_url.openConnection()
}

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