/// <summary>
/// Converts the TNEF content into a <see cref="MimeMessage"/>.
/// </summary>
/// <remarks>
/// TNEF data often contains properties that map to <see cref="MimeMessage"/>
/// headers. TNEF data also often contains file attachments which will be
/// mapped to MIME parts.
/// </remarks>
/// <returns>A message representing the TNEF data in MIME format.</returns>
/// <exception cref="System.InvalidOperationException">
/// The <see cref="MimePart.Content"/> property is <c>null</c>.
/// </exception>
public MimeMessage ConvertToMessage()
{
if (Content == null)
throw new InvalidOperationException ("Cannot parse null TNEF data.");
int codepage = 0;
if (!string.IsNullOrEmpty (ContentType.Charset)) {
if ((codepage = CharsetUtils.GetCodePage (ContentType.Charset)) == -1)
codepage = 0;
}
using (var reader = new TnefReader (Content.Open (), codepage, TnefComplianceMode.Loose)) {
return ExtractTnefMessage (reader);
}
}
public void TestArgumentExceptions()
{
var buffer = new byte[10];
Assert.Throws <ArgumentNullException> (() => CharsetUtils.ConvertToUnicode((ParserOptions)null, buffer, 0, buffer.Length));
Assert.Throws <ArgumentNullException> (() => CharsetUtils.ConvertToUnicode(ParserOptions.Default, null, 0, 0));
Assert.Throws <ArgumentOutOfRangeException> (() => CharsetUtils.ConvertToUnicode(ParserOptions.Default, buffer, -1, 0));
Assert.Throws <ArgumentOutOfRangeException> (() => CharsetUtils.ConvertToUnicode(ParserOptions.Default, buffer, 0, -1));
Assert.Throws <ArgumentNullException> (() => CharsetUtils.ConvertToUnicode((Encoding)null, buffer, 0, buffer.Length));
Assert.Throws <ArgumentNullException> (() => CharsetUtils.ConvertToUnicode(Encoding.UTF8, null, 0, 0));
Assert.Throws <ArgumentOutOfRangeException> (() => CharsetUtils.ConvertToUnicode(Encoding.UTF8, buffer, -1, 0));
Assert.Throws <ArgumentOutOfRangeException> (() => CharsetUtils.ConvertToUnicode(Encoding.UTF8, buffer, 0, -1));
Assert.Throws <ArgumentNullException> (() => CharsetUtils.GetCodePage(null));
Assert.Throws <ArgumentNullException> (() => CharsetUtils.GetEncoding(null));
Assert.Throws <ArgumentNullException> (() => CharsetUtils.GetEncoding(null, "fallback"));
Assert.Throws <ArgumentNullException> (() => CharsetUtils.GetEncoding("charset", null));
Assert.Throws <ArgumentOutOfRangeException> (() => CharsetUtils.GetEncoding(-1, "fallback"));
Assert.Throws <ArgumentNullException> (() => CharsetUtils.GetEncoding(28591, null));
}
public void TestCharsetUtilsGetCodePage()
{
for (int i = 1; i < 16; i++)
{
int expected, codepage;
string name;
name = string.Format("iso-8859-{0}", i);
codepage = CharsetUtils.GetCodePage(name);
switch (i)
{
case 11:
expected = 874;
break;
case 10:
case 12:
case 14:
expected = -1;
break;
case 13:
if (Path.DirectorySeparatorChar == '\\')
{
goto default;
}
expected = -1;
break;
default:
expected = 28590 + i;
break;
}
Assert.AreEqual(expected, codepage, "Invalid codepage for: {0}", name);
}
for (int i = 0; i < 10; i++)
{
int expected, codepage;
string name;
if (i < 9)
{
expected = 1250 + i;
}
else
{
expected = -1;
}
name = string.Format("windows-125{0}", i);
codepage = CharsetUtils.GetCodePage(name);
Assert.AreEqual(expected, codepage, "Invalid codepage for: {0}", name);
name = string.Format("windows-cp125{0}", i);
codepage = CharsetUtils.GetCodePage(name);
Assert.AreEqual(expected, codepage, "Invalid codepage for: {0}", name);
name = string.Format("cp125{0}", i);
codepage = CharsetUtils.GetCodePage(name);
Assert.AreEqual(expected, codepage, "Invalid codepage for: {0}", name);
}
foreach (var ibm in new int[] { 850, 852, 855, 857, 860, 861, 862, 863 })
{
int codepage;
string name;
name = string.Format("ibm-{0}", ibm);
codepage = CharsetUtils.GetCodePage(name);
Assert.AreEqual(ibm, codepage, "Invalid codepage for: {0}", name);
}
}