1 files changed, 148 insertions, 0 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/encoder/alg/spec_compat.go b/vendor/github.com/bytedance/sonic/internal/encoder/alg/spec_compat.go
new file mode 100644
index 000000000..c15cbf7d8
--- /dev/null
+++ b/vendor/github.com/bytedance/sonic/internal/encoder/alg/spec_compat.go
@@ -0,0 +1,148 @@
+// +build !amd64,!arm64 go1.24 !go1.16 arm64,!go1.20
+
+/**
+ * Copyright 2024 ByteDance Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package alg
+
+import (
+	_ "unsafe"
+	"unicode/utf8"
+	"strconv"
+	"bytes"
+	"encoding/json"
+
+	"github.com/bytedance/sonic/internal/rt"
+)
+
+// Valid validates json and returns first non-blank character position,
+// if it is only one valid json value.
+// Otherwise returns invalid character position using start.
+//
+// Note: it does not check for the invalid UTF-8 characters.
+func Valid(data []byte) (ok bool, start int) {
+	ok = json.Valid(data)
+	return ok, 0
+}
+
+var typeByte = rt.UnpackEface(byte(0)).Type
+
+func Quote(e []byte, s string, double bool) []byte {
+	if len(s) == 0 {
+		if double {
+			return append(e, `"\"\""`...)
+		}
+		return append(e, `""`...)
+	}
+
+	b := e
+	ss := len(e)
+	e = append(e, '"')
+	start := 0
+
+	for i := 0; i < len(s); {
+		if b := s[i]; b < utf8.RuneSelf {
+			if rt.SafeSet[b] {
+				i++
+				continue
+			}
+			if start < i {
+				e = append(e, s[start:i]...)
+			}
+			e = append(e, '\\')
+			switch b {
+			case '\\', '"':
+				e = append(e, b)
+			case '\n':
+				e = append(e, 'n')
+			case '\r':
+				e = append(e, 'r')
+			case '\t':
+				e = append(e, 't')
+			default:
+				// This encodes bytes < 0x20 except for \t, \n and \r.
+				// If escapeHTML is set, it also escapes <, >, and &
+				// because they can lead to security holes when
+				// user-controlled strings are rendered into JSON
+				// and served to some browsers.
+				e = append(e, `u00`...)
+				e = append(e, rt.Hex[b>>4])
+				e = append(e, rt.Hex[b&0xF])
+			}
+			i++
+			start = i
+			continue
+		}
+		c, size := utf8.DecodeRuneInString(s[i:])
+		// if correct && c == utf8.RuneError && size == 1 {
+		// 	if start < i {
+		// 		e = append(e, s[start:i]...)
+		// 	}
+		// 	e = append(e, `\ufffd`...)
+		// 	i += size
+		// 	start = i
+		// 	continue
+		// }
+		if c == '\u2028' || c == '\u2029' {
+			if start < i {
+				e = append(e, s[start:i]...)
+			}
+			e = append(e, `\u202`...)
+			e = append(e, rt.Hex[c&0xF])
+			i += size
+			start = i
+			continue
+		}
+		i += size
+	}
+
+	if start < len(s) {
+		e = append(e, s[start:]...)
+	}
+	e = append(e, '"')
+
+	if double {
+		return strconv.AppendQuote(b, string(e[ss:]))
+	} else {
+		return e
+	}
+}
+
+func HtmlEscape(dst []byte, src []byte) []byte {
+	buf := bytes.NewBuffer(dst)
+	json.HTMLEscape(buf, src)
+	return buf.Bytes()
+}
+
+func F64toa(buf []byte, v float64) ([]byte) {
+	bs := bytes.NewBuffer(buf)
+	_ = json.NewEncoder(bs).Encode(v)
+	return bs.Bytes()
+}
+
+func F32toa(buf []byte, v float32) ([]byte) {
+	bs := bytes.NewBuffer(buf)
+	_ = json.NewEncoder(bs).Encode(v)
+	return bs.Bytes()
+}
+
+func I64toa(buf []byte, v int64) ([]byte) {
+	return strconv.AppendInt(buf, int64(v), 10)
+}
+
+func U64toa(buf []byte, v uint64) ([]byte) {
+	return strconv.AppendUint(buf, v, 10)
+}