internal static DxfHeaderSection HeaderSectionFromBuffer(DxfCodePairBufferReader buffer)
{
var section = new DxfHeaderSection();
string keyName = null;
Func <short, bool> shortToBool = value => value != 0;
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
buffer.Advance();
if (DxfCodePair.IsSectionEnd(pair))
{
// done reading settings
break;
}
if (pair.Code == 9)
{
// what setting to get
keyName = pair.StringValue;
}
else
{
section.Header.SetHeaderVariable(keyName, pair);
if (string.Compare(keyName, "$DWGCODEPAGE", StringComparison.OrdinalIgnoreCase) == 0 && section.Header.Version <= DxfAcadVersion.R2004)
{
// R2004 and before should honor the specified code page
if (DxfEncodingHelper.TryParseEncoding(pair.StringValue, out var codePage))
{
var encoding = Encoding.GetEncoding(codePage);
buffer.SetReaderEncoding(encoding);
}
}
else if (string.Compare(keyName, "$ACADVER", StringComparison.OrdinalIgnoreCase) == 0 && section.Header.Version >= DxfAcadVersion.R2007)
{
// R2007 and up should switch to a UTF8 reader
buffer.SetReaderEncoding(Encoding.UTF8);
}
}
}
return(section);
}
public void ParseCodePageTest(string dxfLine, int expectedCodePage)
{
Assert.True(DxfEncodingHelper.TryParseEncoding(dxfLine, out var actualCodePage));
Assert.Equal(expectedCodePage, actualCodePage);
}