optimized char check for 'dDfF'

antonin-janec · antonin-janec · commit 8df00ed64e8c · 2024-01-25T21:18:01.000+01:00
diff --git a/src/main/java/com/fasterxml/jackson/core/json/async/NonBlockingUtf8JsonParserBase.java b/src/main/java/com/fasterxml/jackson/core/json/async/NonBlockingUtf8JsonParserBase.java
@@ -1855,7 +1855,7 @@ protected JsonToken _finishFloatFraction() throws IOException
                     return JsonToken.NOT_AVAILABLE;
                 }
                 ch = getNextSignedByteFromBuffer();
-            } else if (ch == 'f' || ch == 'd' || ch == 'F' || ch == 'D') {
+            } else if ((ch | 0x22) == 'f') { // ~ fFdD
                 --_inputPtr; // for correct error reporting
                 _reportUnexpectedNumberChar(ch, "JSON does not support parsing numbers that have 'f' or 'd' suffixes");
             } else if (ch == INT_PERIOD) {

Original file line number	Diff line number	Diff line change
`@@ -1855,7 +1855,7 @@ protected JsonToken _finishFloatFraction() throws IOException`
`1855`	`1855`	`return JsonToken.NOT_AVAILABLE;`
`1856`	`1856`	`}`
`1857`	`1857`	`ch = getNextSignedByteFromBuffer();`
`1858`		`- } else if (ch == 'f' \|\| ch == 'd' \|\| ch == 'F' \|\| ch == 'D') {`
	`1858`	`+ } else if ((ch \| 0x22) == 'f') { // ~ fFdD`
`1859`	`1859`	`--_inputPtr; // for correct error reporting`
`1860`	`1860`	`_reportUnexpectedNumberChar(ch, "JSON does not support parsing numbers that have 'f' or 'd' suffixes");`
`1861`	`1861`	`} else if (ch == INT_PERIOD) {`