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Add support for uint64 and int64 types #10

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Add support for uint64 and int64 types #10

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df08731
add support for uint64 and int64 types
antonok-edm Jun 26, 2021
6402ffc
add replacer function for JSON.stringify
antonok-edm Jul 1, 2021
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25 changes: 18 additions & 7 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -274,7 +274,7 @@

function parse() {
var type = dataView.getUint8(offset);
var value, length;
var value, length, ms32b, ls32b;
switch (type) {
// nil
case 0xc0:
Expand Down Expand Up @@ -347,10 +347,12 @@
return value;
// uint64
case 0xcf:
// value = buffer.readUInt64BE(offset + 1);
log(offset, 9, "uint64 marker - cannot parse uint64 to javascript, setting to Infinity");
ms32b = dataView.getUint32(offset + 1);
ls32b = dataView.getUint32(offset + 5);
value = (BigInt(ms32b) << 32n) + BigInt(ls32b);
log(offset, 9, "uint64 value " + value);
offset += 9;
return Infinity;
return value;
// int 8
case 0xd0:
value = dataView.getInt8(offset + 1);
Expand All @@ -371,9 +373,12 @@
return value;
// int 64
case 0xd3:
log(offset, 9, "int64 marker - cannot parse uint64 to javascript, setting to Infinity");
ms32b = dataView.getUint32(offset + 1);
ls32b = dataView.getUint32(offset + 5);
value = BigInt.asIntN(64, (BigInt(ms32b) << 32n) + BigInt(ls32b));
log(offset, 9, "int64 value " + value);
offset += 9;
return Infinity;
return value;
// map 16
case 0xde:
length = dataView.getUint16(offset + 1);
Expand Down Expand Up @@ -534,14 +539,20 @@
var byteVal = dataView.getUint8(i);
displayByte(byteVal, i);
}
jsonobj.innerHTML = JSON.stringify(decode(dataView), null, 2);
jsonobj.innerHTML = JSON.stringify(decode(dataView), bigIntJSONReplacer, 2);
indent();
} catch (e) {
errlog("Error parsing input: " + e.message);
e.stack && errlog(e.stack);
}
}

function bigIntJSONReplacer(key, value) {
return typeof value === 'bigint'
? value.toString()
: value;
}

function getQSParams() {
return window.location.search
.substr(1)
Expand Down