diff options
Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/github.com/goccy/go-yaml@v1.9.6/scanner/context.go | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/goccy/go-yaml@v1.9.6/scanner/context.go b/dependencies/pkg/mod/github.com/goccy/go-yaml@v1.9.6/scanner/context.go new file mode 100644 index 0000000..e629a5c --- /dev/null +++ b/dependencies/pkg/mod/github.com/goccy/go-yaml@v1.9.6/scanner/context.go @@ -0,0 +1,201 @@ +package scanner + +import ( + "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 + isRawFolded bool + isLiteral bool + isFolded bool + isSingleLine bool + literalOpt string +} + +var ( + ctxPool = sync.Pool{ + New: func() interface{} { + return createContext() + }, + } +) + +func createContext() *Context { + return &Context{ + idx: 0, + tokens: token.Tokens{}, + isSingleLine: true, + } +} + +func newContext(src []rune) *Context { + ctx := ctxPool.Get().(*Context) + ctx.reset(src) + return ctx +} + +func (c *Context) release() { + ctxPool.Put(c) +} + +func (c *Context) reset(src []rune) { + c.idx = 0 + c.size = len(src) + c.src = src + c.tokens = c.tokens[:0] + c.resetBuffer() + c.isSingleLine = true +} + +func (c *Context) resetBuffer() { + c.buf = c.buf[:0] + c.obuf = c.obuf[:0] + c.notSpaceCharPos = 0 + c.notSpaceOrgCharPos = 0 +} + +func (c *Context) isSaveIndentMode() bool { + return c.isLiteral || c.isFolded || c.isRawFolded +} + +func (c *Context) breakLiteral() { + c.isLiteral = false + c.isRawFolded = false + c.isFolded = false + c.literalOpt = "" +} + +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 == ' ' { + return + } + c.buf = append(c.buf, r) + if r != ' ' && r != '\t' { + 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() int { + 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() + } + return diff +} + +func (c *Context) isDocument() bool { + return c.isLiteral || c.isFolded || c.isRawFolded +} + +func (c *Context) isEOS() bool { + return len(c.src)-1 <= c.idx +} + +func (c *Context) isNextEOS() bool { + return len(c.src)-1 <= 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 { + return c.src[c.idx] +} + +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) nextPos() int { + return c.idx + 1 +} + +func (c *Context) existsBuffer() bool { + return len(c.bufferedSrc()) != 0 +} + +func (c *Context) bufferedSrc() []rune { + src := c.buf[:c.notSpaceCharPos] + if len(src) > 0 && src[len(src)-1] == '\n' && c.isDocument() && c.literalOpt == "-" { + // remove end '\n' character + src = src[:len(src)-1] + } + return src +} + +func (c *Context) bufferedToken(pos *token.Position) *token.Token { + if c.idx == 0 { + return nil + } + source := c.bufferedSrc() + if len(source) == 0 { + return nil + } + var tk *token.Token + if c.isDocument() { + tk = token.String(string(source), string(c.obuf), pos) + } else { + tk = token.New(string(source), string(c.obuf), pos) + } + c.resetBuffer() + return tk +} |