package norm

import (
	"fmt"
	"unicode/utf8"
)

// MaxSegmentSize is the maximum size of a byte buffer needed to consider any
// sequence of starter and non-starter runes for the purpose of normalization.
const MaxSegmentSize = maxByteBufferSize

// An Iter iterates over a string or byte slice, while normalizing it
// to a given Form.
type Iter struct {
	rb     reorderBuffer

package norm

import (
	"fmt"
	"unicode/utf8"
)

// MaxSegmentSize is the maximum size of a byte buffer needed to consider any
// sequence of starter and non-starter runes for the purpose of normalization.
const MaxSegmentSize = maxByteBufferSize

// An Iter iterates over a string or byte slice, while normalizing it
// to a given Form.
type Iter struct {
	rb     reorderBuffer

		return dyn
	}

	// We ignore XPreserveUnknownFields since we don't support validation rules on
	// data that we don't have schema information for.

	if isResourceRoot {
		// 'apiVersion', 'kind', 'metadata.name' and 'metadata.generateName' are always accessible to validator rules
		// at the root of resources, even if not specified in the schema.

// A mapFunc takes a context set to the current rune and writes the mapped
// version to the same context. It may advance the context to the next rune. It
// returns whether a checkpoint is possible: whether the pDst bytes written to
// dst so far won't need changing as we see more source bytes.
type mapFunc func(*context) bool

// A spanFunc takes a context set to the current rune and returns whether this

// resolvePairedBrackets runs the paired bracket part of the UBA algorithm.
//
// For each rune, it takes the indexes into the original string, the class the
// bracket type (in pairTypes) and the bracket identifier (pairValues). It also
// takes the direction type for the start-of-sentence and the embedding level.
//
// The identifiers for bracket types are the rune of the canonicalized opening

	0xee60,
	0xee63,
	0xee6b,
	0xee73,
	0xee78,
	0xee7d,
	0xee7f,
	0xee8a,
	0xeea4,
	0xeeaa,
	0xf0c0,
	0xf0d0,
	0xfabe,
	0xfb93,
}

// isGraphic lists the graphic runes not matched by IsPrint.
var isGraphic = []uint16{
	0x00a0,
	0x1680,
	0x2000,
	0x2001,
	0x2002,
	0x2003,
	0x2004,
	0x2005,
	0x2006,
	0x2007,
	0x2008,
	0x2009,
	0x200a,

		}
		in.readRune()
	}
	in.endToken(_IDENT)
}

// isIdent reports whether c is an identifier rune.
// We treat most printable runes as identifier runes, except for a handful of
// ASCII punctuation characters.
func isIdent(c int) bool {
	switch r := rune(c); r {
	case ' ', '(', ')', '[', ']', '{', '}', ',':
		return false
	default:
		return !unicode.IsSpace(r) && unicode.IsPrint(r)
	}

	return dstL.n, srcL.p, err
}

// Deprecated: Use runes.Remove instead.
func RemoveFunc(f func(r rune) bool) Transformer {
	return removeF(f)
}

type removeF func(r rune) bool

func (removeF) Reset() {}

// Transform implements the Transformer interface.
func (t removeF) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
	for r, sz := rune(0), 0; len(src) > 0; src = src[sz:] {

	return dstL.n, srcL.p, err
}

// Deprecated: Use runes.Remove instead.
func RemoveFunc(f func(r rune) bool) Transformer {
	return removeF(f)
}

type removeF func(r rune) bool

func (removeF) Reset() {}

// Transform implements the Transformer interface.
func (t removeF) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
	for r, sz := rune(0), 0; len(src) > 0; src = src[sz:] {

	s := strconv.Quote(x.string())
	if utf8.RuneCountInString(s) > maxLen {
		// The string without the enclosing quotes is greater than maxLen-2 runes
		// long. Remove the last 3 runes (including the closing '"') by keeping
		// only the first maxLen-3 runes; then add "...".
		i := 0
		for n := 0; n < maxLen-3; n++ {
			_, size := utf8.DecodeRuneInString(s[i:])
			i += size
		}
		s = s[:i] + "..."
	}