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enhance null handling to check case 'n' in issue 357 #358

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enhance null handling to check case 'n' in issue 357 #358

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9 changes: 7 additions & 2 deletions src/main/java/com/jsoniter/IterImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -189,8 +189,13 @@ public static Any readAny(JsonIterator iter) throws IOException {
skipFixedBytes(iter, 4);
return Any.wrap(false);
case 'n':
skipFixedBytes(iter, 3);
return Any.wrap((Object) null);
if (readByte(iter) == 'u' &&
readByte(iter) == 'l' &&
readByte(iter) == 'l') {
return Any.wrap((Object) null);
} else {
throw iter.reportError("readAny", "expected 'null' but found something else");
}
case '[':
skipArray(iter);
return Any.lazyArray(iter.buf, start, iter.head);
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12 changes: 9 additions & 3 deletions src/main/java/com/jsoniter/IterImplForStreaming.java
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Original file line number Diff line number Diff line change
Expand Up @@ -334,9 +334,15 @@ public static Any readAny(JsonIterator iter) throws IOException {
iter.skipStartedAt = -1;
return Any.wrap(false);
case 'n':
skipFixedBytes(iter, 3);
iter.skipStartedAt = -1;
return Any.wrap((Object) null);
if (nextToken(iter) == 'u' &&
nextToken(iter) == 'l' &&
nextToken(iter) == 'l') {

iter.skipStartedAt = -1;
return Any.wrap((Object) null);
} else {
throw iter.reportError("readAny", "expected 'null' but found something else");
}
case '[':
skipArray(iter);
copied = copySkippedBytes(iter);
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8 changes: 6 additions & 2 deletions src/main/java/com/jsoniter/IterImplObject.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,12 @@ public static final String readObject(JsonIterator iter) throws IOException {
byte c = IterImpl.nextToken(iter);
switch (c) {
case 'n':
IterImpl.skipFixedBytes(iter, 3);
return null;
if (IterImpl.readByte(iter) == 'u' &&
IterImpl.readByte(iter) == 'l' &&
IterImpl.readByte(iter) == 'l') {
return null;
}
throw iter.reportError("readObject", "expected 'null' but found something else");
case '{':
c = IterImpl.nextToken(iter);
if (c == '"') {
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9 changes: 7 additions & 2 deletions src/main/java/com/jsoniter/IterImplSkip.java
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Original file line number Diff line number Diff line change
Expand Up @@ -37,8 +37,13 @@ public static final void skip(JsonIterator iter) throws IOException {
return;
case 't':
case 'n':
IterImpl.skipFixedBytes(iter, 3); // true or null
return;
if (IterImpl.readByte(iter) == 'u' &&
IterImpl.readByte(iter) == 'l' &&
IterImpl.readByte(iter) == 'l') {
return;
} else {
throw iter.reportError("skip", "expected 'null' but found something else");
}
case 'f':
IterImpl.skipFixedBytes(iter, 4); // false
return;
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