/// <summary>
/// Loads a pdb from a path on disk.
/// </summary>
/// <param name="stream">Stream containing the pdb file.</param>
/// <param name="uri">Uri for finding this stream.</param>
/// <param name="suppressVersionCheck">Suppresses wix.dll version mismatch check.</param>
/// <param name="suppressSchema">Suppress xml schema validation while loading.</param>
/// <returns>Returns the loaded pdb.</returns>
/// <remarks>This method will set the Path and SourcePath properties to the appropriate values on successful load.</remarks>
internal static Pdb Load(Stream stream, Uri uri, bool suppressVersionCheck, bool suppressSchema)
{
XmlReader reader = null;
string cabPath = null;
// look for the Microsoft cabinet file header and save the cabinet data if found
if ('M' == stream.ReadByte() && 'S' == stream.ReadByte() && 'C' == stream.ReadByte() && 'F' == stream.ReadByte())
{
long cabFileSize = 0;
byte[] offsetBuffer = new byte[4];
using (TempFileCollection tempFileCollection = new TempFileCollection())
{
cabPath = tempFileCollection.AddExtension("cab", true);
}
// skip the header checksum
stream.Seek(4, SeekOrigin.Current);
// get the cabinet file size
stream.Read(offsetBuffer, 0, 4);
cabFileSize = BitConverter.ToInt32(offsetBuffer, 0);
stream.Seek(0, SeekOrigin.Begin);
// Create the cab file from stream
using (FileStream fs = File.Create(cabPath))
{
for (int i = 0; i < cabFileSize; i++)
{
fs.WriteByte((byte)stream.ReadByte());
}
}
}
else // plain xml file - start reading xml at the beginning of the stream
{
stream.Seek(0, SeekOrigin.Begin);
}
// read the xml
try
{
reader = new XmlTextReader(uri.AbsoluteUri, stream);
if (!suppressSchema)
{
reader = new XmlValidatingReader(reader);
((XmlValidatingReader)reader).Schemas.Add(GetSchemas());
}
reader.MoveToContent();
if ("wixPdb" != reader.LocalName)
{
throw new WixNotOutputException(WixErrors.InvalidDocumentElement(SourceLineNumber.CreateFromUri(reader.BaseURI), reader.Name, "pdb", "wixPdb"));
}
Pdb pdb = Parse(reader, suppressVersionCheck);
if (null != cabPath)
{
if (pdb.Output.TempFiles == null)
{
pdb.Output.TempFiles = new TempFileCollection();
}
pdb.Output.TempFiles.AddFile(cabPath, false);
}
return(pdb);
}
catch (XmlException xe)
{
throw new WixException(WixErrors.InvalidXml(SourceLineNumber.CreateFromUri(reader.BaseURI), "output", xe.Message));
}
catch (XmlSchemaException xse)
{
throw new WixException(WixErrors.SchemaValidationFailed(SourceLineNumber.CreateFromUri(reader.BaseURI), xse.Message, xse.LineNumber, xse.LinePosition));
}
finally
{
if (null != reader)
{
reader.Close();
}
}
}
/// <summary>
/// Processes an XmlReader and builds up the pdb object.
/// </summary>
/// <param name="reader">Reader to get data from.</param>
/// <param name="suppressVersionCheck">Suppresses wix.dll version mismatch check.</param>
/// <returns>The Pdb represented by the Xml.</returns>
internal static Pdb Parse(XmlReader reader, bool suppressVersionCheck)
{
Debug.Assert("wixPdb" == reader.LocalName);
bool empty = reader.IsEmptyElement;
Pdb pdb = new Pdb(SourceLineNumber.CreateFromUri(reader.BaseURI));
Version version = null;
while (reader.MoveToNextAttribute())
{
switch (reader.LocalName)
{
case "version":
version = new Version(reader.Value);
break;
default:
if (!reader.NamespaceURI.StartsWith("http://www.w3.org/", StringComparison.Ordinal))
{
throw new WixException(WixErrors.UnexpectedAttribute(SourceLineNumber.CreateFromUri(reader.BaseURI), "wixPdb", reader.Name));
}
break;
}
}
if (null != version)
{
if (0 != currentVersion.CompareTo(version))
{
throw new WixException(WixErrors.VersionMismatch(SourceLineNumber.CreateFromUri(reader.BaseURI), "wixPdb", version.ToString(), currentVersion.ToString()));
}
}
// loop through the rest of the pdb building up the Output object
if (!empty)
{
bool done = false;
// loop through all the fields in a row
while (!done && reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
switch (reader.LocalName)
{
case "wixOutput":
pdb.output = Output.Parse(reader, suppressVersionCheck);
break;
default:
throw new WixException(WixErrors.UnexpectedElement(SourceLineNumber.CreateFromUri(reader.BaseURI), "wixPdb", reader.Name));
}
break;
case XmlNodeType.EndElement:
done = true;
break;
}
}
if (!done)
{
throw new WixException(WixErrors.ExpectedEndElement(SourceLineNumber.CreateFromUri(reader.BaseURI), "wixOutput"));
}
}
return(pdb);
}
