1 files changed, 110 insertions, 0 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/decoder/optdec/helper.go b/vendor/github.com/bytedance/sonic/internal/decoder/optdec/helper.go
new file mode 100644
index 000000000..7bf8a8f39
--- /dev/null
+++ b/vendor/github.com/bytedance/sonic/internal/decoder/optdec/helper.go
@@ -0,0 +1,110 @@
+package optdec
+
+import (
+	"encoding/json"
+	"strconv"
+
+	"github.com/bytedance/sonic/internal/native"
+	"github.com/bytedance/sonic/internal/utils"
+	"github.com/bytedance/sonic/internal/native/types"
+)
+
+
+func SkipNumberFast(json string, start int) (int, bool) {
+	// find the number ending, we pasred in native, it alway valid
+	pos := start
+	for pos < len(json) && json[pos] != ']' && json[pos] != '}' && json[pos] != ',' {
+		if json[pos] >= '0' && json[pos] <= '9' || json[pos] == '.' || json[pos] == '-' || json[pos] == '+' || json[pos] == 'e' || json[pos] == 'E' {
+			pos += 1
+		} else {
+			break
+		}
+	}
+
+	// if not found number, return false
+	if pos == start {
+		return pos, false
+	}
+	return pos, true
+}
+
+
+func isSpace(c byte) bool {
+    return c == ' ' || c == '\t' || c == '\n' || c == '\r'
+}
+
+// pos is the start index of the raw
+func ValidNumberFast(raw string) bool {
+	ret := utils.SkipNumber(raw, 0)
+	if ret < 0 {
+		return false
+	}
+
+	// check trainling chars
+	for ret < len(raw) {
+		return false
+	}
+
+	return true
+}
+
+func SkipOneFast2(json string, pos *int) (int, error) {
+	// find the number ending, we pasred in sonic-cpp, it alway valid
+	start := native.SkipOneFast(&json, pos)
+	if start < 0 {
+		return -1, error_syntax(*pos, json, types.ParsingError(-start).Error())
+	}
+	return start, nil
+}
+
+func SkipOneFast(json string, pos int) (string, error) {
+	// find the number ending, we pasred in sonic-cpp, it alway valid
+	start := native.SkipOneFast(&json, &pos)
+	if start < 0 {
+		// TODO: details error code
+		return "", error_syntax(pos, json, types.ParsingError(-start).Error())
+	}
+	return json[start:pos], nil
+}
+
+func ParseI64(raw string) (int64, error) {
+	i64, err := strconv.ParseInt(raw, 10, 64)
+	if err != nil {
+		return 0, err
+	}
+	return i64, nil
+}
+
+func ParseBool(raw string) (bool, error) {
+	var b bool
+	err := json.Unmarshal([]byte(raw), &b)
+	if err != nil {
+		return false, err
+	}
+	return b, nil
+}
+
+func ParseU64(raw string) (uint64, error) {
+	u64, err := strconv.ParseUint(raw, 10, 64)
+	if err != nil {
+		return 0, err
+	}
+	return u64, nil
+}
+
+func ParseF64(raw string) (float64, error) {
+	f64, err := strconv.ParseFloat(raw, 64)
+	if err != nil {
+		return 0, err
+	}
+	return f64, nil
+}
+
+func Unquote(raw string) (string, error) {
+	var u string
+	err := json.Unmarshal([]byte(raw), &u)
+	if err != nil {
+		return "", err
+	}
+	return u, nil
+}