package profile

import (
	"errors"
	"fmt"
	"sort"
)

func (p *Profile) decoder() []decoder {
	return profileDecoder
}

// preEncode populates the unexported fields to be used by encode
// (with suffix X) from the corresponding exported fields. The
// exported fields are cleared up to facilitate testing.
func (p *Profile) preEncode() {
	strings := make(map[string]int)
	addString(strings, "")

// which may be changed or disabled via [Encoding.WithPadding].
func NewEncoding(encoder string) *Encoding {
	if len(encoder) != 64 {
		panic("encoding alphabet is not 64-bytes long")
	}

	e := new(Encoding)
	e.padChar = StdPadding
	copy(e.encode[:], encoder)
	copy(e.decodeMap[:], decodeMapInitialize)

	for i := 0; i < len(encoder); i++ {
		// Note: While we document that the alphabet cannot contain

const bufferSize = 1024

type encoder struct {
	w   io.Writer
	err error
	out [bufferSize]byte // output buffer
}

// NewEncoder returns an [io.Writer] that writes lowercase hexadecimal characters to w.
func NewEncoder(w io.Writer) io.Writer {
	return &encoder{w: w}
}

func (e *encoder) Write(p []byte) (n int, err error) {

	return d.reader.Close()
}

type encoder struct {
	writer  io.Writer
	encoder runtime.Encoder
	buf     *bytes.Buffer
}

// NewEncoder returns a new streaming encoder.
func NewEncoder(w io.Writer, e runtime.Encoder) Encoder {
	return &encoder{
		writer:  w,
		encoder: e,
		buf:     &bytes.Buffer{},
	}
}

// Encode writes the provided object to the nested writer.

}

func (cfw *CoverageDataWriter) writeCounters(visitor CounterVisitor, ws *slicewriter.WriteSeeker) error {
	// Notes:
	// - this version writes everything little-endian, which means
	//   a call is needed to encode every value (expensive)
	// - we may want to move to a model in which we just blast out
	//   all counters, or possibly mmap the file and do the write
	//   implicitly.
	ctrb := make([]byte, 4)

		for _, tt := range encodingTests {
			encoded := tt.conv(p.encoded)
			dbuf := make([]byte, tt.enc.DecodedLen(len(encoded)))
			count, err := tt.enc.Decode(dbuf, []byte(encoded))
			testEqual(t, "Decode(%q) = error %v, want %v", encoded, err, error(nil))
			testEqual(t, "Decode(%q) = length %v, want %v", encoded, count, len(p.decoded))
			testEqual(t, "Decode(%q) = %q, want %q", encoded, string(dbuf[0:count]), p.decoded)

		dbuf := make([]byte, StdEncoding.DecodedLen(len(p.encoded)))
		count, end, err := StdEncoding.decode(dbuf, []byte(p.encoded))
		testEqual(t, "Decode(%q) = error %v, want %v", p.encoded, err, error(nil))
		testEqual(t, "Decode(%q) = length %v, want %v", p.encoded, count, len(p.decoded))
		if len(p.encoded) > 0 {
			testEqual(t, "Decode(%q) = end %v, want %v", p.encoded, end, (p.encoded[len(p.encoded)-1] == '='))
		}

	cr   bool
}

// NewWriter returns a new [Writer] that writes to w.
func NewWriter(w io.Writer) *Writer {
	return &Writer{w: w}
}

// Write encodes p using quoted-printable encoding and writes it to the
// underlying [io.Writer]. It limits line length to 76 characters. The encoded
// bytes are not necessarily flushed until the [Writer] is closed.
func (w *Writer) Write(p []byte) (n int, err error) {
	for i, b := range p {
		switch {

 *  <p>A codec implementation will, generally:
 *  <ul>
 *      <li>encode the primitive/non-object values directly by invoking some of the various {@link org.gradle.internal.serialize.Encoder Encoder}'s <code>write*</code> variants</li>

type writer interface {
	Flush() error
	io.Writer
	io.ByteWriter
}

// encoder encodes an image to the GIF format.
type encoder struct {
	// w is the writer to write to. err is the first error encountered during
	// writing. All attempted writes after the first error become no-ops.
	w   writer
	err error
	// g is a reference to the data that is being encoded.
	g GIF
	// globalCT is the size in bytes of the global color table.