/// <summary>
/// Initializes a new instance of the <see cref="PDFString"/> class.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="encoding">The encoding.</param>
public PDFString(string value, PDFStringEncoding encoding)
{
switch (encoding)
{
case PDFStringEncoding.RawEncoding:
CheckRawEncoding(value);
break;
case PDFStringEncoding.StandardEncoding:
break;
case PDFStringEncoding.PDFDocEncoding:
break;
case PDFStringEncoding.WinAnsiEncoding:
CheckRawEncoding(value);
break;
case PDFStringEncoding.MacRomanEncoding:
break;
case PDFStringEncoding.Unicode:
break;
default:
throw new ArgumentOutOfRangeException("encoding");
}
_value = value;
//if ((flags & PDFStringFlags.EncodingMask) == 0)
// flags |= PDFStringFlags.PDFDocEncoding;
Flags = (PDFStringFlags)encoding;
}
/// <summary>
/// Converts a raw string into a raw hexadecimal string literal, possibly encrypted.
/// </summary>
public static string ToHexStringLiteral(string text, PDFStringEncoding encoding, PDFStandardSecurityHandler securityHandler)
{
if (String.IsNullOrEmpty(text))
{
return("<>");
}
byte[] bytes;
switch (encoding)
{
case PDFStringEncoding.RawEncoding:
bytes = RawEncoding.GetBytes(text);
break;
case PDFStringEncoding.WinAnsiEncoding:
bytes = WinAnsiEncoding.GetBytes(text);
break;
case PDFStringEncoding.PDFDocEncoding:
bytes = DocEncoding.GetBytes(text);
break;
case PDFStringEncoding.Unicode:
//bytes = UnicodeEncoding.GetBytes(text);
bytes = RawUnicodeEncoding.GetBytes(text);
break;
default:
throw new NotImplementedException(encoding.ToString());
}
byte[] agTemp = FormatStringLiteral(bytes, encoding == PDFStringEncoding.Unicode, true, true, securityHandler);
return(RawEncoding.GetString(agTemp, 0, agTemp.Length));
}
/// <summary>
/// Writes the specified value to the PDF stream.
/// </summary>
public void Write(PDFString value)
{
WriteSeparator(CharCat.Delimiter);
#if true
PDFStringEncoding encoding = (PDFStringEncoding)(value.Flags & PDFStringFlags.EncodingMask);
string pdf = (value.Flags & PDFStringFlags.HexLiteral) == 0 ?
PDFEncoders.ToStringLiteral(value.Value, encoding, SecurityHandler) :
PDFEncoders.ToHexStringLiteral(value.Value, encoding, SecurityHandler);
WriteRaw(pdf);
#else
switch (value.Flags & PDFStringFlags.EncodingMask)
{
case PDFStringFlags.Undefined:
case PDFStringFlags.PDFDocEncoding:
if ((value.Flags & PDFStringFlags.HexLiteral) == 0)
{
WriteRaw(PDFEncoders.DocEncode(value.Value, false));
}
else
{
WriteRaw(PDFEncoders.DocEncodeHex(value.Value, false));
}
break;
case PDFStringFlags.WinAnsiEncoding:
throw new NotImplementedException("Unexpected encoding: WinAnsiEncoding");
case PDFStringFlags.Unicode:
if ((value.Flags & PDFStringFlags.HexLiteral) == 0)
{
WriteRaw(PDFEncoders.DocEncode(value.Value, true));
}
else
{
WriteRaw(PDFEncoders.DocEncodeHex(value.Value, true));
}
break;
case PDFStringFlags.StandardEncoding:
case PDFStringFlags.MacRomanEncoding:
case PDFStringFlags.MacExpertEncoding:
default:
throw new NotImplementedException("Unexpected encoding");
}
#endif
_lastCat = CharCat.Delimiter;
}
