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extend HexToken to support UTF-16BE encoded hex strings

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This commit is contained in:
Richard Webb
2019-06-23 01:18:48 +01:00
parent 7b96483664
commit 0432f703c4
1 changed files with 17 additions and 4 deletions
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21
src/UglyToad.PdfPig/Tokens/HexToken.cs
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@@ -62,7 +62,6 @@ namespace UglyToad.PdfPig.Tokens
}
var bytes = new List<byte>();
var builder = new StringBuilder();
for (var i = 0; i < characters.Count; i += 2)
{
@@ -79,15 +78,29 @@ namespace UglyToad.PdfPig.Tokens
var b = Convert(high, low);
bytes.Add(b);
}
if (b != '\0')
// Handle UTF-16BE format strings.
if (bytes.Count >= 2 && bytes[0] == 0xFE && bytes[1] == 0xFF)
{
Data = Encoding.BigEndianUnicode.GetString(bytes.ToArray(), 2, bytes.Count - 2);
}
else
{
var builder = new StringBuilder();
foreach (var b in bytes)
{
builder.Append((char)b);
if (b != '\0')
{
builder.Append((char)b);
}
}
Data = builder.ToString();
}
Bytes = bytes;
Data = builder.ToString();
}
/// <summary>