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Separate length and preamble variables

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This commit is contained in:
Yoshi Askharoun
2024-11-19 16:52:41 -06:00
parent b41e796c46
commit c0026cb01a
2 changed files with 9 additions and 8 deletions
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UIX/Microsoft/Iris/Markup/ByteCodeReader.cs
+6 -5
View File
@@ -251,19 +251,20 @@ namespace Microsoft.Iris.Markup
public unsafe string ReadString() public unsafe string ReadString()
{ {
uint stringLength = ReadUInt16(); uint preamble = ReadUInt16();
if (stringLength == ushort.MaxValue) if (preamble == ushort.MaxValue)
return null; return null;
var isUtf16Encoded = ((int)stringLength & (1 << 15)) == 0; var isUtf16Encoded = ((int)preamble & (1 << 15)) == 0;
uint byteCount; uint byteCount, stringLength;
if (isUtf16Encoded) if (isUtf16Encoded)
{ {
stringLength = preamble;
byteCount = stringLength * 2U; byteCount = stringLength * 2U;
} }
else else
{ {
stringLength &= (uint)short.MaxValue; stringLength = preamble & (uint)short.MaxValue;
byteCount = stringLength; byteCount = stringLength;
} }
UIX/Microsoft/Iris/Markup/ByteCodeWriter.cs
+3 -3
View File
@@ -137,11 +137,11 @@ namespace Microsoft.Iris.Markup
} }
} }
uint length = (uint)value.Length; uint preamble = (uint)value.Length;
if (!useUtf16) if (!useUtf16)
length |= 1 << 15; preamble |= 1 << 15;
WriteUInt16((ushort)length); WriteUInt16((ushort)preamble);
foreach (char ch in value) foreach (char ch in value)
{ {