/// <summary>
/// Renders the object <paramref name="obj"/>, which must be derived from System.Exception, to a string.
/// </summary>
/// <param name="obj">An Exception to be rendered as text.</param>
/// <param name="writer">TextWriter to which the rendered text is written.</param>
public void RenderObject(object obj, TextWriter writer)
{
Exception ex = (Exception)obj;
writer.WriteLine("Exception type: {0}", ex.GetType());
if (ex.Message != null)
{
writer.WriteLine("Message: {0}", ex.Message);
}
if (ex.Source != null)
{
writer.WriteLine("Source: {0}", ex.Source);
}
if (ex.StackTrace != null)
{
writer.WriteLine("StackTrace:\n{0}", ex.StackTrace);
}
if (ex.Data != null && ex.Data.Count > 0)
{
foreach (DictionaryEntry entry in ex.Data)
{
writer.WriteLine("{0}: {1}", entry.Key, entry.Value);
}
}
if (ex.InnerException != null)
{
writer.Write("\nInner ");
// The inner exception type may have a custom renderer.
RendererMap.FindAndRender(ex.InnerException, writer);
}
}
/// <summary>
/// Render the enumerator argument into a string
/// </summary>
/// <param name="enumerator">the enumerator to render</param>
/// <param name="writer">The writer to render to</param>
/// <remarks>
/// <para>
/// Rendered as an open brace, followed by a comma
/// separated list of the elements (using the appropriate
/// renderer), followed by a close brace. For example:
/// <c>{a, b, c}</c>.
/// </para>
/// </remarks>
private void RenderEnumerator(IEnumerator enumerator, TextWriter writer)
{
writer.Write("{");
if (enumerator != null && enumerator.MoveNext())
{
RendererMap.FindAndRender(enumerator.Current, writer);
while (enumerator.MoveNext())
{
writer.Write(", ");
RendererMap.FindAndRender(enumerator.Current, writer);
}
}
writer.Write("}");
}
/// <summary>
/// Render the array argument into a string
/// </summary>
/// <param name="array">the array to render</param>
/// <param name="writer">The writer to render to</param>
/// <remarks>
/// <para>
/// For a one dimensional array this is the
/// array type name, an open brace, followed by a comma
/// separated list of the elements (using the appropriate
/// renderer), followed by a close brace. For example:
/// <c>int[] {1, 2, 3}</c>.
/// </para>
/// <para>
/// If the array is not one dimensional the
/// <c>Array.ToString()</c> is returned.
/// </para>
/// </remarks>
private void RenderArray(Array array, TextWriter writer)
{
if (array.Rank != 1)
{
writer.Write(array.ToString());
}
else
{
writer.Write(array.GetType().Name + " {");
int len = array.Length;
if (len > 0)
{
RendererMap.FindAndRender(array.GetValue(0), writer);
for (int i = 1; i < len; i++)
{
writer.Write(", ");
RendererMap.FindAndRender(array.GetValue(i), writer);
}
}
writer.Write("}");
}
}
/// <summary>
/// Render the DictionaryEntry argument into a string
/// </summary>
/// <param name="entry">the DictionaryEntry to render</param>
/// <param name="writer">The writer to render to</param>
/// <remarks>
/// <para>
/// Render the key, an equals sign ('='), and the value (using the appropriate
/// renderer). For example: <c>key=value</c>.
/// </para>
/// </remarks>
private void RenderDictionaryEntry(DictionaryEntry entry, TextWriter writer)
{
RendererMap.FindAndRender(entry.Key, writer);
writer.Write("=");
RendererMap.FindAndRender(entry.Value, writer);
}