chore: migrate to gitea

vendor/github.com/goccy/go-yaml/scanner/context.go

@@ -0,0 +1,452 @@
+package scanner
+
+import (
+	"errors"
+	"strconv"
+	"strings"
+	"sync"
+
+	"github.com/goccy/go-yaml/token"
+)
+
+// Context context at scanning
+type Context struct {
+	idx                int
+	size               int
+	notSpaceCharPos    int
+	notSpaceOrgCharPos int
+	src                []rune
+	buf                []rune
+	obuf               []rune
+	tokens             token.Tokens
+	mstate             *MultiLineState
+}
+
+type MultiLineState struct {
+	opt                              string
+	firstLineIndentColumn            int
+	prevLineIndentColumn             int
+	lineIndentColumn                 int
+	lastNotSpaceOnlyLineIndentColumn int
+	spaceOnlyIndentColumn            int
+	foldedNewLine                    bool
+	isRawFolded                      bool
+	isLiteral                        bool
+	isFolded                         bool
+}
+
+var (
+	ctxPool = sync.Pool{
+		New: func() interface{} {
+			return createContext()
+		},
+	}
+)
+
+func createContext() *Context {
+	return &Context{
+		idx:    0,
+		tokens: token.Tokens{},
+	}
+}
+
+func newContext(src []rune) *Context {
+	ctx, _ := ctxPool.Get().(*Context)
+	ctx.reset(src)
+	return ctx
+}
+
+func (c *Context) release() {
+	ctxPool.Put(c)
+}
+
+func (c *Context) clear() {
+	c.resetBuffer()
+	c.mstate = nil
+}
+
+func (c *Context) reset(src []rune) {
+	c.idx = 0
+	c.size = len(src)
+	c.src = src
+	c.tokens = c.tokens[:0]
+	c.resetBuffer()
+	c.mstate = nil
+}
+
+func (c *Context) resetBuffer() {
+	c.buf = c.buf[:0]
+	c.obuf = c.obuf[:0]
+	c.notSpaceCharPos = 0
+	c.notSpaceOrgCharPos = 0
+}
+
+func (c *Context) breakMultiLine() {
+	c.mstate = nil
+}
+
+func (c *Context) getMultiLineState() *MultiLineState {
+	return c.mstate
+}
+
+func (c *Context) setLiteral(lastDelimColumn int, opt string) {
+	mstate := &MultiLineState{
+		isLiteral: true,
+		opt:       opt,
+	}
+	indent := firstLineIndentColumnByOpt(opt)
+	if indent > 0 {
+		mstate.firstLineIndentColumn = lastDelimColumn + indent
+	}
+	c.mstate = mstate
+}
+
+func (c *Context) setFolded(lastDelimColumn int, opt string) {
+	mstate := &MultiLineState{
+		isFolded: true,
+		opt:      opt,
+	}
+	indent := firstLineIndentColumnByOpt(opt)
+	if indent > 0 {
+		mstate.firstLineIndentColumn = lastDelimColumn + indent
+	}
+	c.mstate = mstate
+}
+
+func (c *Context) setRawFolded(column int) {
+	mstate := &MultiLineState{
+		isRawFolded: true,
+	}
+	mstate.updateIndentColumn(column)
+	c.mstate = mstate
+}
+
+func firstLineIndentColumnByOpt(opt string) int {
+	opt = strings.TrimPrefix(opt, "-")
+	opt = strings.TrimPrefix(opt, "+")
+	opt = strings.TrimSuffix(opt, "-")
+	opt = strings.TrimSuffix(opt, "+")
+	i, _ := strconv.ParseInt(opt, 10, 64)
+	return int(i)
+}
+
+func (s *MultiLineState) lastDelimColumn() int {
+	if s.firstLineIndentColumn == 0 {
+		return 0
+	}
+	return s.firstLineIndentColumn - 1
+}
+
+func (s *MultiLineState) updateIndentColumn(column int) {
+	if s.firstLineIndentColumn == 0 {
+		s.firstLineIndentColumn = column
+	}
+	if s.lineIndentColumn == 0 {
+		s.lineIndentColumn = column
+	}
+}
+
+func (s *MultiLineState) updateSpaceOnlyIndentColumn(column int) {
+	if s.firstLineIndentColumn != 0 {
+		return
+	}
+	s.spaceOnlyIndentColumn = column
+}
+
+func (s *MultiLineState) validateIndentAfterSpaceOnly(column int) error {
+	if s.firstLineIndentColumn != 0 {
+		return nil
+	}
+	if s.spaceOnlyIndentColumn > column {
+		return errors.New("invalid number of indent is specified after space only")
+	}
+	return nil
+}
+
+func (s *MultiLineState) validateIndentColumn() error {
+	if firstLineIndentColumnByOpt(s.opt) == 0 {
+		return nil
+	}
+	if s.firstLineIndentColumn > s.lineIndentColumn {
+		return errors.New("invalid number of indent is specified in the multi-line header")
+	}
+	return nil
+}
+
+func (s *MultiLineState) updateNewLineState() {
+	s.prevLineIndentColumn = s.lineIndentColumn
+	if s.lineIndentColumn != 0 {
+		s.lastNotSpaceOnlyLineIndentColumn = s.lineIndentColumn
+	}
+	s.foldedNewLine = true
+	s.lineIndentColumn = 0
+}
+
+func (s *MultiLineState) isIndentColumn(column int) bool {
+	if s.firstLineIndentColumn == 0 {
+		return column == 1
+	}
+	return s.firstLineIndentColumn > column
+}
+
+func (s *MultiLineState) addIndent(ctx *Context, column int) {
+	if s.firstLineIndentColumn == 0 {
+		return
+	}
+
+	// If the first line of the document has already been evaluated, the number is treated as the threshold, since the `firstLineIndentColumn` is a positive number.
+	if column < s.firstLineIndentColumn {
+		return
+	}
+
+	// `c.foldedNewLine` is a variable that is set to true for every newline.
+	if !s.isLiteral && s.foldedNewLine {
+		s.foldedNewLine = false
+	}
+	// Since addBuf ignore space character, add to the buffer directly.
+	ctx.buf = append(ctx.buf, ' ')
+	ctx.notSpaceCharPos = len(ctx.buf)
+}
+
+// updateNewLineInFolded if Folded or RawFolded context and the content on the current line starts at the same column as the previous line,
+// treat the new-line-char as a space.
+func (s *MultiLineState) updateNewLineInFolded(ctx *Context, column int) {
+	if s.isLiteral {
+		return
+	}
+
+	// Folded or RawFolded.
+
+	if !s.foldedNewLine {
+		return
+	}
+	var (
+		lastChar     rune
+		prevLastChar rune
+	)
+	if len(ctx.buf) != 0 {
+		lastChar = ctx.buf[len(ctx.buf)-1]
+	}
+	if len(ctx.buf) > 1 {
+		prevLastChar = ctx.buf[len(ctx.buf)-2]
+	}
+	if s.lineIndentColumn == s.prevLineIndentColumn {
+		// ---
+		// >
+		//  a
+		//  b
+		if lastChar == '\n' {
+			ctx.buf[len(ctx.buf)-1] = ' '
+		}
+	} else if s.prevLineIndentColumn == 0 && s.lastNotSpaceOnlyLineIndentColumn == column {
+		// if previous line is indent-space and new-line-char only, prevLineIndentColumn is zero.
+		// In this case, last new-line-char is removed.
+		// ---
+		// >
+		//  a
+		//
+		//  b
+		if lastChar == '\n' && prevLastChar == '\n' {
+			ctx.buf = ctx.buf[:len(ctx.buf)-1]
+			ctx.notSpaceCharPos = len(ctx.buf)
+		}
+	}
+	s.foldedNewLine = false
+}
+
+func (s *MultiLineState) hasTrimAllEndNewlineOpt() bool {
+	return strings.HasPrefix(s.opt, "-") || strings.HasSuffix(s.opt, "-") || s.isRawFolded
+}
+
+func (s *MultiLineState) hasKeepAllEndNewlineOpt() bool {
+	return strings.HasPrefix(s.opt, "+") || strings.HasSuffix(s.opt, "+")
+}
+
+func (c *Context) addToken(tk *token.Token) {
+	if tk == nil {
+		return
+	}
+	c.tokens = append(c.tokens, tk)
+}
+
+func (c *Context) addBuf(r rune) {
+	if len(c.buf) == 0 && (r == ' ' || r == '\t') {
+		return
+	}
+	c.buf = append(c.buf, r)
+	if r != ' ' && r != '\t' {
+		c.notSpaceCharPos = len(c.buf)
+	}
+}
+
+func (c *Context) addBufWithTab(r rune) {
+	if len(c.buf) == 0 && r == ' ' {
+		return
+	}
+	c.buf = append(c.buf, r)
+	if r != ' ' {
+		c.notSpaceCharPos = len(c.buf)
+	}
+}
+
+func (c *Context) addOriginBuf(r rune) {
+	c.obuf = append(c.obuf, r)
+	if r != ' ' && r != '\t' {
+		c.notSpaceOrgCharPos = len(c.obuf)
+	}
+}
+
+func (c *Context) removeRightSpaceFromBuf() {
+	trimmedBuf := c.obuf[:c.notSpaceOrgCharPos]
+	buflen := len(trimmedBuf)
+	diff := len(c.obuf) - buflen
+	if diff > 0 {
+		c.obuf = c.obuf[:buflen]
+		c.buf = c.bufferedSrc()
+	}
+}
+
+func (c *Context) isEOS() bool {
+	return len(c.src)-1 <= c.idx
+}
+
+func (c *Context) isNextEOS() bool {
+	return len(c.src) <= c.idx+1
+}
+
+func (c *Context) next() bool {
+	return c.idx < c.size
+}
+
+func (c *Context) source(s, e int) string {
+	return string(c.src[s:e])
+}
+
+func (c *Context) previousChar() rune {
+	if c.idx > 0 {
+		return c.src[c.idx-1]
+	}
+	return rune(0)
+}
+
+func (c *Context) currentChar() rune {
+	if c.size > c.idx {
+		return c.src[c.idx]
+	}
+	return rune(0)
+}
+
+func (c *Context) nextChar() rune {
+	if c.size > c.idx+1 {
+		return c.src[c.idx+1]
+	}
+	return rune(0)
+}
+
+func (c *Context) repeatNum(r rune) int {
+	cnt := 0
+	for i := c.idx; i < c.size; i++ {
+		if c.src[i] == r {
+			cnt++
+		} else {
+			break
+		}
+	}
+	return cnt
+}
+
+func (c *Context) progress(num int) {
+	c.idx += num
+}
+
+func (c *Context) existsBuffer() bool {
+	return len(c.bufferedSrc()) != 0
+}
+
+func (c *Context) isMultiLine() bool {
+	return c.mstate != nil
+}
+
+func (c *Context) bufferedSrc() []rune {
+	src := c.buf[:c.notSpaceCharPos]
+	if c.isMultiLine() {
+		mstate := c.getMultiLineState()
+		// remove end '\n' character and trailing empty lines.
+		// https://yaml.org/spec/1.2.2/#8112-block-chomping-indicator
+		if mstate.hasTrimAllEndNewlineOpt() {
+			// If the '-' flag is specified, all trailing newline characters will be removed.
+			src = []rune(strings.TrimRight(string(src), "\n"))
+		} else if !mstate.hasKeepAllEndNewlineOpt() {
+			// Normally, all but one of the trailing newline characters are removed.
+			var newLineCharCount int
+			for i := len(src) - 1; i >= 0; i-- {
+				if src[i] == '\n' {
+					newLineCharCount++
+					continue
+				}
+				break
+			}
+			removedNewLineCharCount := newLineCharCount - 1
+			for removedNewLineCharCount > 0 {
+				src = []rune(strings.TrimSuffix(string(src), "\n"))
+				removedNewLineCharCount--
+			}
+		}
+
+		// If the text ends with a space character, remove all of them.
+		if mstate.hasTrimAllEndNewlineOpt() {
+			src = []rune(strings.TrimRight(string(src), " "))
+		}
+		if string(src) == "\n" {
+			// If the content consists only of a newline,
+			// it can be considered as the document ending without any specified value,
+			// so it is treated as an empty string.
+			src = []rune{}
+		}
+		if mstate.hasKeepAllEndNewlineOpt() && len(src) == 0 {
+			src = []rune{'\n'}
+		}
+	}
+	return src
+}
+
+func (c *Context) bufferedToken(pos *token.Position) *token.Token {
+	if c.idx == 0 {
+		return nil
+	}
+	source := c.bufferedSrc()
+	if len(source) == 0 {
+		c.buf = c.buf[:0] // clear value's buffer only.
+		return nil
+	}
+	var tk *token.Token
+	if c.isMultiLine() {
+		tk = token.String(string(source), string(c.obuf), pos)
+	} else {
+		tk = token.New(string(source), string(c.obuf), pos)
+	}
+	c.setTokenTypeByPrevTag(tk)
+	c.resetBuffer()
+	return tk
+}
+
+func (c *Context) setTokenTypeByPrevTag(tk *token.Token) {
+	lastTk := c.lastToken()
+	if lastTk == nil {
+		return
+	}
+	if lastTk.Type != token.TagType {
+		return
+	}
+	tag := token.ReservedTagKeyword(lastTk.Value)
+	if _, exists := token.ReservedTagKeywordMap[tag]; !exists {
+		tk.Type = token.StringType
+	}
+}
+
+func (c *Context) lastToken() *token.Token {
+	if len(c.tokens) != 0 {
+		return c.tokens[len(c.tokens)-1]
+	}
+	return nil
+}

vendor/github.com/goccy/go-yaml/scanner/error.go

@@ -0,0 +1,17 @@
+package scanner
+
+import "github.com/goccy/go-yaml/token"
+
+type InvalidTokenError struct {
+	Token *token.Token
+}
+
+func (e *InvalidTokenError) Error() string {
+	return e.Token.Error
+}
+
+func ErrInvalidToken(tk *token.Token) *InvalidTokenError {
+	return &InvalidTokenError{
+		Token: tk,
+	}
+}