use writeU4Hex2

alibaba · Jan 13, 2025 · 2ef1c4d · 2ef1c4d
1 parent 4d45413
commit 2ef1c4d
Showing 1 changed file with 3 additions and 42 deletions.
diff --git a/core/src/main/java/com/alibaba/fastjson2/JSONWriterUTF16.java b/core/src/main/java/com/alibaba/fastjson2/JSONWriterUTF16.java
@@ -796,25 +796,9 @@ protected final void writeStringEscape(byte[] str) {
                 case 5:
                 case 6:
                 case 7:
-                    chars[off] = '\\';
-                    chars[off + 1] = 'u';
-                    chars[off + 2] = '0';
-                    chars[off + 3] = '0';
-                    chars[off + 4] = '0';
-                    chars[off + 5] = (char) ('0' + (int) ch);
-                    off += 6;
-                    break;
                 case 11:
                 case 14:
                 case 15:
-                    chars[off] = '\\';
-                    chars[off + 1] = 'u';
-                    chars[off + 2] = '0';
-                    chars[off + 3] = '0';
-                    chars[off + 4] = '0';
-                    chars[off + 5] = (char) ('a' + (ch - 10));
-                    off += 6;
-                    break;
                 case 16:
                 case 17:
                 case 18:
@@ -825,52 +809,29 @@ protected final void writeStringEscape(byte[] str) {
                 case 23:
                 case 24:
                 case 25:
-                    chars[off] = '\\';
-                    chars[off + 1] = 'u';
-                    chars[off + 2] = '0';
-                    chars[off + 3] = '0';
-                    chars[off + 4] = '1';
-                    chars[off + 5] = (char) ('0' + (ch - 16));
-                    off += 6;
-                    break;
                 case 26:
                 case 27:
                 case 28:
                 case 29:
                 case 30:
                 case 31:
-                    chars[off] = '\\';
-                    chars[off + 1] = 'u';
-                    chars[off + 2] = '0';
-                    chars[off + 3] = '0';
-                    chars[off + 4] = '1';
-                    chars[off + 5] = (char) ('a' + (ch - 26));
+                    writeU4Hex2(chars, off, ch);
                     off += 6;
                     break;
                 case '<':
                 case '>':
                 case '(':
                 case ')':
                     if (browserSecure) {
-                        chars[off] = '\\';
-                        chars[off + 1] = 'u';
-                        chars[off + 2] = '0';
-                        chars[off + 3] = '0';
-                        chars[off + 4] = DIGITS[(ch >>> 4) & 15];
-                        chars[off + 5] = DIGITS[ch & 15];
+                        writeU4HexU(chars, off, ch);
                         off += 6;
                     } else {
                         chars[off++] = ch;
                     }
                     break;
                 default:
                     if (escapeNoneAscii && ch > 0x007F) {
-                        chars[off] = '\\';
-                        chars[off + 1] = 'u';
-                        chars[off + 2] = '0';
-                        chars[off + 3] = '0';
-                        chars[off + 4] = DIGITS[(ch >>> 4) & 15];
-                        chars[off + 5] = DIGITS[ch & 15];
+                        writeU4HexU(chars, off, ch);
                         off += 6;
                     } else {
                         chars[off++] = ch;