// If start==end, the 1-char interval following start is used instead.
//
// The 'exact' result is true if the interval contains only path[0]
// and perhaps some adjacent whitespace.  It is false if the interval
// overlaps multiple children of path[0], or if it contains only
// interior whitespace of path[0].
// In this example:
//
//	z := x + y // add them
//	  <--C-->     <---E-->
//	    ^
//	    D
//

     * and lines that only contain whitespace are not indented.
     */
    public static String indent(String text, String indent) {
        StringBuilder builder = new StringBuilder();
        String[] lines = text.split("\n");

        for (int i = 0; i < lines.length; i++) {
            String line = lines[i];
            if (!WHITESPACE.matcher(line).matches()) {
                builder.append(indent);

    <!--
    This checks the coalescing of CHARACTERS and CDATA events. Note that inner whitespace must be retained.
    -->
    <prop0>A <![CDATA[ Test ]]> Project<![CDATA[ ]]>Property</prop0>

    <!--
    This checks the coalescing of CHARACTERS events that are interleaved with comments. Note that inner whitespace
    formed by whitespace-only events must be retained.
    -->

    }

    def "finds function-like macro directive with multiple parameters with no whitespace between name and body"() {
        when:
        sourceFile << """
#define A(X)Y
"""

        then:
        macros.empty
        macroFunctions == [macroFunction('A', 1, 'Y')]
    }

    def "handles whitespace in function-like macro definition"() {
        when:
        sourceFile << """

	BlockValueStyle EncodeStyle = iota

	// FlowValueStyle indicates that the string is an inline representation of complex types.
	FlowValueStyle

	// FoldedValueStyle is a multiline string with whitespace and newlines trimmed to a single
	// a whitespace. Repeated newlines are replaced with a single newline rather than a single
	// whitespace.
	FoldedValueStyle

    val part = parts.nextPart()!!
    assertThat(part.headers).isEqualTo(headersOf())
    assertThat(part.body.readUtf8()).isEqualTo("abcd")

    assertThat(parts.nextPart()).isNull()
  }

  @Test fun `skip whitespace after boundary`() {
    val multipart =
      """
      |--simple boundary
      |
      |abcd
      |--simple boundary--
      """.trimMargin()

	// changed at any time.
	Mode uint

	// The Whitespace field controls which characters are recognized
	// as white space. To recognize a character ch <= ' ' as white space,
	// set the ch'th bit in Whitespace (the Scanner's behavior is undefined
	// for values ch > ' '). The field may be changed at any time.
	Whitespace uint64

	// IsIdentRune is a predicate controlling the characters accepted

		return
	} else {
		p.next()
	}

	p.expect(':')
	want := p.parseInt()
	p.expect('>')

	defer func(w uint64) {
		p.scanner.Whitespace = w
	}(p.scanner.Whitespace)
	p.scanner.Whitespace = 0

	got := 0
	for got < want {
		r := p.scanner.Next()
		if r == scanner.EOF {
			p.error("unexpected EOF")
		}
		got += utf8.RuneLen(r)
	}
}

  val result = copyOf(size + 1)
  result[result.lastIndex] = value
  return result as Array<String>
}

/** Increments [startIndex] until this string is not ASCII whitespace. Stops at [endIndex]. */
internal fun String.indexOfFirstNonAsciiWhitespace(
  startIndex: Int = 0,
  endIndex: Int = length,
): Int {
  for (i in startIndex until endIndex) {
    when (this[i]) {

	// (1) not followed by Unicode whitespace, and either
	// (2a) not followed by a Unicode punctuation character, or
	// (2b) followed by a Unicode punctuation character
	// and preceded by Unicode whitespace or a Unicode punctuation character.
	// For purposes of this definition, the beginning and the end
	// of the line count as Unicode whitespace.”
	leftFlank := !isUnicodeSpace(after) &&