--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/github.com/pelletier/go-toml/v2/errors.go Tue Aug 23 22:39:43 2022 +0200
@@ -0,0 +1,270 @@
+package toml
+
+import (
+ "fmt"
+ "strconv"
+ "strings"
+
+ "github.com/pelletier/go-toml/v2/internal/danger"
+)
+
+// DecodeError represents an error encountered during the parsing or decoding
+// of a TOML document.
+//
+// In addition to the error message, it contains the position in the document
+// where it happened, as well as a human-readable representation that shows
+// where the error occurred in the document.
+type DecodeError struct {
+ message string
+ line int
+ column int
+ key Key
+
+ human string
+}
+
+// StrictMissingError occurs in a TOML document that does not have a
+// corresponding field in the target value. It contains all the missing fields
+// in Errors.
+//
+// Emitted by Decoder when DisallowUnknownFields() was called.
+type StrictMissingError struct {
+ // One error per field that could not be found.
+ Errors []DecodeError
+}
+
+// Error returns the canonical string for this error.
+func (s *StrictMissingError) Error() string {
+ return "strict mode: fields in the document are missing in the target struct"
+}
+
+// String returns a human readable description of all errors.
+func (s *StrictMissingError) String() string {
+ var buf strings.Builder
+
+ for i, e := range s.Errors {
+ if i > 0 {
+ buf.WriteString("\n---\n")
+ }
+
+ buf.WriteString(e.String())
+ }
+
+ return buf.String()
+}
+
+type Key []string
+
+// internal version of DecodeError that is used as the base to create a
+// DecodeError with full context.
+type decodeError struct {
+ highlight []byte
+ message string
+ key Key // optional
+}
+
+func (de *decodeError) Error() string {
+ return de.message
+}
+
+func newDecodeError(highlight []byte, format string, args ...interface{}) error {
+ return &decodeError{
+ highlight: highlight,
+ message: fmt.Errorf(format, args...).Error(),
+ }
+}
+
+// Error returns the error message contained in the DecodeError.
+func (e *DecodeError) Error() string {
+ return "toml: " + e.message
+}
+
+// String returns the human-readable contextualized error. This string is multi-line.
+func (e *DecodeError) String() string {
+ return e.human
+}
+
+// Position returns the (line, column) pair indicating where the error
+// occurred in the document. Positions are 1-indexed.
+func (e *DecodeError) Position() (row int, column int) {
+ return e.line, e.column
+}
+
+// Key that was being processed when the error occurred. The key is present only
+// if this DecodeError is part of a StrictMissingError.
+func (e *DecodeError) Key() Key {
+ return e.key
+}
+
+// decodeErrorFromHighlight creates a DecodeError referencing a highlighted
+// range of bytes from document.
+//
+// highlight needs to be a sub-slice of document, or this function panics.
+//
+// The function copies all bytes used in DecodeError, so that document and
+// highlight can be freely deallocated.
+//
+//nolint:funlen
+func wrapDecodeError(document []byte, de *decodeError) *DecodeError {
+ offset := danger.SubsliceOffset(document, de.highlight)
+
+ errMessage := de.Error()
+ errLine, errColumn := positionAtEnd(document[:offset])
+ before, after := linesOfContext(document, de.highlight, offset, 3)
+
+ var buf strings.Builder
+
+ maxLine := errLine + len(after) - 1
+ lineColumnWidth := len(strconv.Itoa(maxLine))
+
+ // Write the lines of context strictly before the error.
+ for i := len(before) - 1; i > 0; i-- {
+ line := errLine - i
+ buf.WriteString(formatLineNumber(line, lineColumnWidth))
+ buf.WriteString("|")
+
+ if len(before[i]) > 0 {
+ buf.WriteString(" ")
+ buf.Write(before[i])
+ }
+
+ buf.WriteRune('\n')
+ }
+
+ // Write the document line that contains the error.
+
+ buf.WriteString(formatLineNumber(errLine, lineColumnWidth))
+ buf.WriteString("| ")
+
+ if len(before) > 0 {
+ buf.Write(before[0])
+ }
+
+ buf.Write(de.highlight)
+
+ if len(after) > 0 {
+ buf.Write(after[0])
+ }
+
+ buf.WriteRune('\n')
+
+ // Write the line with the error message itself (so it does not have a line
+ // number).
+
+ buf.WriteString(strings.Repeat(" ", lineColumnWidth))
+ buf.WriteString("| ")
+
+ if len(before) > 0 {
+ buf.WriteString(strings.Repeat(" ", len(before[0])))
+ }
+
+ buf.WriteString(strings.Repeat("~", len(de.highlight)))
+
+ if len(errMessage) > 0 {
+ buf.WriteString(" ")
+ buf.WriteString(errMessage)
+ }
+
+ // Write the lines of context strictly after the error.
+
+ for i := 1; i < len(after); i++ {
+ buf.WriteRune('\n')
+ line := errLine + i
+ buf.WriteString(formatLineNumber(line, lineColumnWidth))
+ buf.WriteString("|")
+
+ if len(after[i]) > 0 {
+ buf.WriteString(" ")
+ buf.Write(after[i])
+ }
+ }
+
+ return &DecodeError{
+ message: errMessage,
+ line: errLine,
+ column: errColumn,
+ key: de.key,
+ human: buf.String(),
+ }
+}
+
+func formatLineNumber(line int, width int) string {
+ format := "%" + strconv.Itoa(width) + "d"
+
+ return fmt.Sprintf(format, line)
+}
+
+func linesOfContext(document []byte, highlight []byte, offset int, linesAround int) ([][]byte, [][]byte) {
+ return beforeLines(document, offset, linesAround), afterLines(document, highlight, offset, linesAround)
+}
+
+func beforeLines(document []byte, offset int, linesAround int) [][]byte {
+ var beforeLines [][]byte
+
+ // Walk the document backward from the highlight to find previous lines
+ // of context.
+ rest := document[:offset]
+backward:
+ for o := len(rest) - 1; o >= 0 && len(beforeLines) <= linesAround && len(rest) > 0; {
+ switch {
+ case rest[o] == '\n':
+ // handle individual lines
+ beforeLines = append(beforeLines, rest[o+1:])
+ rest = rest[:o]
+ o = len(rest) - 1
+ case o == 0:
+ // add the first line only if it's non-empty
+ beforeLines = append(beforeLines, rest)
+
+ break backward
+ default:
+ o--
+ }
+ }
+
+ return beforeLines
+}
+
+func afterLines(document []byte, highlight []byte, offset int, linesAround int) [][]byte {
+ var afterLines [][]byte
+
+ // Walk the document forward from the highlight to find the following
+ // lines of context.
+ rest := document[offset+len(highlight):]
+forward:
+ for o := 0; o < len(rest) && len(afterLines) <= linesAround; {
+ switch {
+ case rest[o] == '\n':
+ // handle individual lines
+ afterLines = append(afterLines, rest[:o])
+ rest = rest[o+1:]
+ o = 0
+
+ case o == len(rest)-1:
+ // add last line only if it's non-empty
+ afterLines = append(afterLines, rest)
+
+ break forward
+ default:
+ o++
+ }
+ }
+
+ return afterLines
+}
+
+func positionAtEnd(b []byte) (row int, column int) {
+ row = 1
+ column = 1
+
+ for _, c := range b {
+ if c == '\n' {
+ row++
+ column = 1
+ } else {
+ column++
+ }
+ }
+
+ return
+}