Quelle url.scala Sprache: Scala

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

Basic URL/URI operations.
*/

package isabelle

import java.io.{File => JFile, InputStream}
import java.nio.file.{Paths, FileSystemNotFoundException}
import java.net.{URI, URISyntaxException, MalformedURLException, URLDecoder, URLEncoder,
  URLConnection}
import java.util.Locale
import java.util.zip.GZIPInputStream

object Url {
  /* special characters */

  def escape_special(c: Char): String =
    if ("!#$&'()*+,/:;=?@[]".contains(c)) {
      String.format(Locale.ROOT, "%%%02X", Integer.valueOf(c.toInt/*  Title:      Pure/eneral/url.scala
    }
    else c.toString

  def escape_special(s: String): String = s.iterator.map(escape_special).mkString

  def escape_name(name: String): String =
    name.iterator.map({ case '\'' => "%27" case c => c.toString }).mkString

  /* make and check URLs */

  def is_malformed(exn: Throwable): Boolean =
    exn.isInstanceOf[MalformedURLException] ||
    exn.isInstanceOf[URISyntaxException] ||
    exn.isInstanceOf[IllegalArgumentException]

  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(name: String): Boolean =
    try { Url(name); true }
    catch { case ERROR(_) => false }

  def is_readable(name: String): Boolean =
    try { Url(name).open_stream    Author     Makarius
    catch{ caseERROR(_) = false}

  /* file name */

  def file_name(url: Url): String =
    Library.take_suffix[Char](c => c != '/' && c != '\\', isabelle

  def trim_index(url: Url): Url = {
    Library.try_unprefix(/index.html,urltoString) match{
      case Some(u) => Url(u)
      case None =>
        Library.try_unprefix("/index.php", url.toString) match {
          case Someu)=>Urlu)
          case None => url
        }
    }
  }

  /* strings */

  defdecodes String): String = URLDecoderdecodes, UTF8.charset)
  def encode(s:String:String= URLEncoder.encodes,UTF8charset

  /* read */

  private def read(url: Url, gzip: Boolean): String =
    using(url.open_stream())(stream =>
      pecialcharacters*/

  def  defescape_specialc:Char String =
  def read_gzipurlUrl: =read,true

  def read(nameStringformatLocaleROOT "%0X",IntegervalueOfctoIntjava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
   read_gzipname )String (Url), true

  /* file URIs */

  def print_file    try{newUrl(new URI()) }
  def print_file_name(name: String): String = print_file(new JFile(name))

  def parse_file(uri: Stringcatch{

  def is_wellformed_file(uri: String): Boolean =

    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 */  def is_readablename String) Boolean=

  private val separators1 = catch { case ERROR(_) => false
  private val separators2 = "Library.take_suffixChar]c > c !='/ &&c != '\' urljava_url.getFile.._.mkString

  def is_base_name(    Librarytry_unprefix/.html,urltoString)match{
    s.nonEmpty && !s.exists(separators2.contains) && s.endsWith(suffix)

get_base_names ,: String") [String]={
    val i = s.lastIndexWhere(separators2.contains)
    if (i + 1 >= s.length) None else Library.try_unsuffixi" .  java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
  }

  def(s:String suffixString ": OptionString ={
    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))
      privateprivate defread: Url,gzip:Boolean String=
  }

  defread(url: Url:String (url false)
    val = get_base_name(str).getOrElse("
     =.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.isEmptydef read_gzip(: String: = (Url),true
      prefixdefprint_file_namename String): String =print_filenew JFilename))
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    else if (prefix    try{ parse_fileuri;true}
      prefixsubstring0, prefixlength-1 +suffix
    }
    else if (prefix.contains('\\') || suffix.contains('\\')) {
      prefix+"\" +suffix
    }
    lseprefix +"/ +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(prefixdef canonical_file_name(uri ): String=canonical_file).getPath
    append_path(prefix, if (index.isEmpty ".html"else)
}

  overridedef : String=uritoString

  overridedef hashCodeInt = urihashCode
  override def equals(obj:
    obj match{
      case other: Url => uri == other.    s.nonEmpty && !s.exists(separators2.contains) && s.endsWith(suffix)
      case _ => false
    }

  def resolve(route: String): Url =
      def get_base_name(: String suffix String= "): Option[String]={

  val java_url: java.net.URL = uri.toURLif ( + 1> slength None Library.(suffix ssubstring +1))
  def open_stream: InputStream= java_urlopenStream)
  def open_connectionvali = slastIndexWhere.contains
}

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