diff options
Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/github.com/goccy/go-yaml@v1.9.6/parser/context.go | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/goccy/go-yaml@v1.9.6/parser/context.go b/dependencies/pkg/mod/github.com/goccy/go-yaml@v1.9.6/parser/context.go new file mode 100644 index 0000000..99f18b1 --- /dev/null +++ b/dependencies/pkg/mod/github.com/goccy/go-yaml@v1.9.6/parser/context.go @@ -0,0 +1,199 @@ +package parser + +import ( + "fmt" + "strings" + + "github.com/goccy/go-yaml/token" +) + +// context context at parsing +type context struct { + parent *context + idx int + size int + tokens token.Tokens + mode Mode + path string +} + +var pathSpecialChars = []string{ + "$", "*", ".", "[", "]", +} + +func containsPathSpecialChar(path string) bool { + for _, char := range pathSpecialChars { + if strings.Contains(path, char) { + return true + } + } + return false +} + +func normalizePath(path string) string { + if containsPathSpecialChar(path) { + return fmt.Sprintf("'%s'", path) + } + return path +} + +func (c *context) withChild(path string) *context { + ctx := c.copy() + path = normalizePath(path) + ctx.path += fmt.Sprintf(".%s", path) + return ctx +} + +func (c *context) withIndex(idx uint) *context { + ctx := c.copy() + ctx.path += fmt.Sprintf("[%d]", idx) + return ctx +} + +func (c *context) copy() *context { + return &context{ + parent: c, + idx: c.idx, + size: c.size, + tokens: append(token.Tokens{}, c.tokens...), + mode: c.mode, + path: c.path, + } +} + +func (c *context) next() bool { + return c.idx < c.size +} + +func (c *context) previousToken() *token.Token { + if c.idx > 0 { + return c.tokens[c.idx-1] + } + return nil +} + +func (c *context) insertToken(idx int, tk *token.Token) { + if c.parent != nil { + c.parent.insertToken(idx, tk) + } + if c.size < idx { + return + } + if c.size == idx { + curToken := c.tokens[c.size-1] + tk.Next = curToken + curToken.Prev = tk + + c.tokens = append(c.tokens, tk) + c.size = len(c.tokens) + return + } + + curToken := c.tokens[idx] + tk.Next = curToken + curToken.Prev = tk + + c.tokens = append(c.tokens[:idx+1], c.tokens[idx:]...) + c.tokens[idx] = tk + c.size = len(c.tokens) +} + +func (c *context) currentToken() *token.Token { + if c.idx >= c.size { + return nil + } + return c.tokens[c.idx] +} + +func (c *context) nextToken() *token.Token { + if c.idx+1 >= c.size { + return nil + } + return c.tokens[c.idx+1] +} + +func (c *context) afterNextToken() *token.Token { + if c.idx+2 >= c.size { + return nil + } + return c.tokens[c.idx+2] +} + +func (c *context) nextNotCommentToken() *token.Token { + for i := c.idx + 1; i < c.size; i++ { + tk := c.tokens[i] + if tk.Type == token.CommentType { + continue + } + return tk + } + return nil +} + +func (c *context) afterNextNotCommentToken() *token.Token { + notCommentTokenCount := 0 + for i := c.idx + 1; i < c.size; i++ { + tk := c.tokens[i] + if tk.Type == token.CommentType { + continue + } + notCommentTokenCount++ + if notCommentTokenCount == 2 { + return tk + } + } + return nil +} + +func (c *context) enabledComment() bool { + return c.mode&ParseComments != 0 +} + +func (c *context) isCurrentCommentToken() bool { + tk := c.currentToken() + if tk == nil { + return false + } + return tk.Type == token.CommentType +} + +func (c *context) progressIgnoreComment(num int) { + if c.parent != nil { + c.parent.progressIgnoreComment(num) + } + if c.size <= c.idx+num { + c.idx = c.size + } else { + c.idx += num + } +} + +func (c *context) progress(num int) { + if c.isCurrentCommentToken() { + return + } + c.progressIgnoreComment(num) +} + +func newContext(tokens token.Tokens, mode Mode) *context { + filteredTokens := []*token.Token{} + if mode&ParseComments != 0 { + filteredTokens = tokens + } else { + for _, tk := range tokens { + if tk.Type == token.CommentType { + continue + } + // keep prev/next reference between tokens containing comments + // https://github.com/goccy/go-yaml/issues/254 + filteredTokens = append(filteredTokens, tk) + } + } + return &context{ + idx: 0, + size: len(filteredTokens), + tokens: token.Tokens(filteredTokens), + mode: mode, + path: "$", + } +} |