vendor: update to latest versions of everything

vendor/github.com/aws/aws-sdk-go/internal/ini/value_util.go

@@ -0,0 +1,284 @@
+package ini
+
+import (
+	"fmt"
+)
+
+// getStringValue will return a quoted string and the amount
+// of bytes read
+//
+// an error will be returned if the string is not properly formatted
+func getStringValue(b []rune) (int, error) {
+	if b[0] != '"' {
+		return 0, NewParseError("strings must start with '\"'")
+	}
+
+	endQuote := false
+	i := 1
+
+	for ; i < len(b) && !endQuote; i++ {
+		if escaped := isEscaped(b[:i], b[i]); b[i] == '"' && !escaped {
+			endQuote = true
+			break
+		} else if escaped {
+			/*c, err := getEscapedByte(b[i])
+			if err != nil {
+				return 0, err
+			}
+
+			b[i-1] = c
+			b = append(b[:i], b[i+1:]...)
+			i--*/
+
+			continue
+		}
+	}
+
+	if !endQuote {
+		return 0, NewParseError("missing '\"' in string value")
+	}
+
+	return i + 1, nil
+}
+
+// getBoolValue will return a boolean and the amount
+// of bytes read
+//
+// an error will be returned if the boolean is not of a correct
+// value
+func getBoolValue(b []rune) (int, error) {
+	if len(b) < 4 {
+		return 0, NewParseError("invalid boolean value")
+	}
+
+	n := 0
+	for _, lv := range literalValues {
+		if len(lv) > len(b) {
+			continue
+		}
+
+		if isLitValue(lv, b) {
+			n = len(lv)
+		}
+	}
+
+	if n == 0 {
+		return 0, NewParseError("invalid boolean value")
+	}
+
+	return n, nil
+}
+
+// getNumericalValue will return a numerical string, the amount
+// of bytes read, and the base of the number
+//
+// an error will be returned if the number is not of a correct
+// value
+func getNumericalValue(b []rune) (int, int, error) {
+	if !isDigit(b[0]) {
+		return 0, 0, NewParseError("invalid digit value")
+	}
+
+	i := 0
+	helper := numberHelper{}
+
+loop:
+	for negativeIndex := 0; i < len(b); i++ {
+		negativeIndex++
+
+		if !isDigit(b[i]) {
+			switch b[i] {
+			case '-':
+				if helper.IsNegative() || negativeIndex != 1 {
+					return 0, 0, NewParseError("parse error '-'")
+				}
+
+				n := getNegativeNumber(b[i:])
+				i += (n - 1)
+				helper.Determine(b[i])
+				continue
+			case '.':
+				if err := helper.Determine(b[i]); err != nil {
+					return 0, 0, err
+				}
+			case 'e', 'E':
+				if err := helper.Determine(b[i]); err != nil {
+					return 0, 0, err
+				}
+
+				negativeIndex = 0
+			case 'b':
+				if helper.numberFormat == hex {
+					break
+				}
+				fallthrough
+			case 'o', 'x':
+				if i == 0 && b[i] != '0' {
+					return 0, 0, NewParseError("incorrect base format, expected leading '0'")
+				}
+
+				if i != 1 {
+					return 0, 0, NewParseError(fmt.Sprintf("incorrect base format found %s at %d index", string(b[i]), i))
+				}
+
+				if err := helper.Determine(b[i]); err != nil {
+					return 0, 0, err
+				}
+			default:
+				if isWhitespace(b[i]) {
+					break loop
+				}
+
+				if isNewline(b[i:]) {
+					break loop
+				}
+
+				if !(helper.numberFormat == hex && isHexByte(b[i])) {
+					if i+2 < len(b) && !isNewline(b[i:i+2]) {
+						return 0, 0, NewParseError("invalid numerical character")
+					} else if !isNewline([]rune{b[i]}) {
+						return 0, 0, NewParseError("invalid numerical character")
+					}
+
+					break loop
+				}
+			}
+		}
+	}
+
+	return helper.Base(), i, nil
+}
+
+// isDigit will return whether or not something is an integer
+func isDigit(b rune) bool {
+	return b >= '0' && b <= '9'
+}
+
+func hasExponent(v []rune) bool {
+	return contains(v, 'e') || contains(v, 'E')
+}
+
+func isBinaryByte(b rune) bool {
+	switch b {
+	case '0', '1':
+		return true
+	default:
+		return false
+	}
+}
+
+func isOctalByte(b rune) bool {
+	switch b {
+	case '0', '1', '2', '3', '4', '5', '6', '7':
+		return true
+	default:
+		return false
+	}
+}
+
+func isHexByte(b rune) bool {
+	if isDigit(b) {
+		return true
+	}
+	return (b >= 'A' && b <= 'F') ||
+		(b >= 'a' && b <= 'f')
+}
+
+func getValue(b []rune) (int, error) {
+	i := 0
+
+	for i < len(b) {
+		if isNewline(b[i:]) {
+			break
+		}
+
+		if isOp(b[i:]) {
+			break
+		}
+
+		valid, n, err := isValid(b[i:])
+		if err != nil {
+			return 0, err
+		}
+
+		if !valid {
+			break
+		}
+
+		i += n
+	}
+
+	return i, nil
+}
+
+// getNegativeNumber will return a negative number from a
+// byte slice. This will iterate through all characters until
+// a non-digit has been found.
+func getNegativeNumber(b []rune) int {
+	if b[0] != '-' {
+		return 0
+	}
+
+	i := 1
+	for ; i < len(b); i++ {
+		if !isDigit(b[i]) {
+			return i
+		}
+	}
+
+	return i
+}
+
+// isEscaped will return whether or not the character is an escaped
+// character.
+func isEscaped(value []rune, b rune) bool {
+	if len(value) == 0 {
+		return false
+	}
+
+	switch b {
+	case '\'': // single quote
+	case '"': // quote
+	case 'n': // newline
+	case 't': // tab
+	case '\\': // backslash
+	default:
+		return false
+	}
+
+	return value[len(value)-1] == '\\'
+}
+
+func getEscapedByte(b rune) (rune, error) {
+	switch b {
+	case '\'': // single quote
+		return '\'', nil
+	case '"': // quote
+		return '"', nil
+	case 'n': // newline
+		return '\n', nil
+	case 't': // table
+		return '\t', nil
+	case '\\': // backslash
+		return '\\', nil
+	default:
+		return b, NewParseError(fmt.Sprintf("invalid escaped character %c", b))
+	}
+}
+
+func removeEscapedCharacters(b []rune) []rune {
+	for i := 0; i < len(b); i++ {
+		if isEscaped(b[:i], b[i]) {
+			c, err := getEscapedByte(b[i])
+			if err != nil {
+				return b
+			}
+
+			b[i-1] = c
+			b = append(b[:i], b[i+1:]...)
+			i--
+		}
+	}
+
+	return b
+}