import org.codelibs.core.misc.Base64Util;

/**
 * {@link String}用の変換ユーティリティです。
 *
 * @author higa
 */
public abstract class StringConversionUtil {

    /** WAVE DASH */
    public static final char WAVE_DASH = '\u301C';

    /** FULLWIDTH TILDE */
    public static final char FULLWIDTH_TILDE = '\uFF5E';

    /** DOUBLE VERTICAL LINE */
    public static final char DOUBLE_VERTICAL_LINE = '\u2016';

	cmd := &cobra.Command{
		Use:   "prometheus",
		Short: "Open Prometheus web UI",
		Long:  `Open Istio's Prometheus dashboard`,
		Example: `  istioctl dashboard prometheus

  # with short syntax
  istioctl dash prometheus
  istioctl d prometheus`,
		RunE: func(cmd *cobra.Command, args []string) error {
			client, err := ctx.CLIClientWithRevision(opts.Revision)
			if err != nil {

  }

  private static final CharMatcher DASH_MATCHER = CharMatcher.anyOf("-_");

  private static final CharMatcher DIGIT_MATCHER = CharMatcher.inRange('0', '9');

  private static final CharMatcher LETTER_MATCHER =
      CharMatcher.inRange('a', 'z').or(CharMatcher.inRange('A', 'Z'));

  private static final CharMatcher PART_CHAR_MATCHER =
      DIGIT_MATCHER.or(LETTER_MATCHER).or(DASH_MATCHER);

  /**

		{"ends-with-a-dot.", false},
		{"ends-with-a-dash-", false},
		{"-starts-with-a-dash", false},
		{"THIS-BEGINS-WITH-UPPERCASe", false},
		{"tHIS-ENDS-WITH-UPPERCASE", false},
		{"ThisBeginsAndEndsWithUpperCasE", false},
		{"una ñina", false},
		{"dash-.may-not-appear-next-to-dot", false},
		{"dash.-may-not-appear-next-to-dot", false},
		{"dash-.-may-not-appear-next-to-dot", false},

    }.also { expected ->
      assertThat(expected).hasMessage("unexpected characters after boundary")
    }
  }

  /** The documentation advises that '-' is the simplest boundary possible. */
  @Test fun `dash boundary`() {
    val multipart =
      """
      |---
      |Content-ID: abc
      |
      |abcd
      |---
      |Content-ID: efg
      |
      |efgh
      |-----

  // Accessible property names are escaped according to the following rules when accessed in the expression:
  // - '__' escapes to '__underscores__'
  // - '.' escapes to '__dot__'
  // - '-' escapes to '__dash__'
  // - '/' escapes to '__slash__'
  // - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:

                        -Dgpg.passphrase="<passphrase>" -Dgpg.keyname="<your key ID>"
                        In order to create the key pair, use the command "gpg &ndash;&ndash;gen-key".
                        (&ndash;&ndash; stands for double dash)
                        -->
                        <artifactId>maven-gpg-plugin</artifactId>
                        <version>1.6</version>
                        <executions>

		{"contains-$-dollar", true},
		{"contains-^-carrot", true},
		{"contains-$-dollar", true},
		{"contains-$-dollar", true},
		{".starts-with-a-dot", true},
		{"ends-with-a-dot.", true},
		{"ends-with-a-dash-", true},
		{"-starts-with-a-dash", true},
		{"THIS-BEINGS-WITH-UPPERCASe", true},
		{"tHIS-ENDS-WITH-UPPERCASE", true},
		{"ThisBeginsAndEndsWithUpperCase", true},
		{"una ñina", true},

2E32..2E3B    ; valid                  ;      ; NV8    # 6.1  TURNED COMMA..THREE-EM DASH
2E3C..2E42    ; valid                  ;      ; NV8    # 7.0  STENOGRAPHIC FULL STOP..DOUBLE LOW-REVERSED-9 QUOTATION MARK
2E43..2E44    ; valid                  ;      ; NV8    # 9.0  DASH WITH LEFT UPTURN..DOUBLE SUSPENSION MARK

    )
    cache.edit(key)!!.abort()
    // Contains all valid characters.
    key = "abcdefghijklmnopqrstuvwxyz_0123456789"
    cache.edit(key)!!.abort()
    // Contains dash.
    key = "-20384573948576"
    cache.edit(key)!!.abort()
  }

  @ParameterizedTest
  @ArgumentsSource(FileSystemParamProvider::class)
  fun writeAndReadEntry(parameters: Pair<FileSystem, Boolean>) {