/// <summary>
/// Get the address & length from an address element
/// </summary>
/// <exception cref="IOException">Unable to read from source stream</exception>
/// <exception cref="InvalidDataException">Source document is corrupt</exception>
private static void GetAddress(XmlReader reader, ref int address, ref int length)
{
reader.Read();
string addressString = reader.Value;
address = SsmParameterSource.GetAddress(addressString);
string lengthString = reader.GetAttribute("length");
length = GetInteger(lengthString, 1);
int depth = reader.Depth;
SsmParameterSource.ReadUntil(
reader,
delegate
{
return(reader.Depth >= depth);
},
"Did not expect EOF after address element");
}
/// <summary>
/// Use XmlReader to load extended parameters
/// </summary>
/// <exception cref="IOException">Unable to read from source stream</exception>
/// <exception cref="InvalidDataException">Source document is corrupt</exception>
internal void LoadExtendedParameters(XmlReader reader)
{
while (!reader.EOF)
{
if (!reader.ReadToFollowing("ecuparam"))
{
return;
}
string id = reader.GetAttribute("id");
string name = reader.GetAttribute("name");
int depth = reader.Depth;
reader.Read();
for (; ;)
{
if (reader.EOF)
{
return;
}
if (reader.Depth < depth)
{
break;
}
if (reader.IsStartElement("ecu"))
{
depth = reader.Depth;
string ecuId = reader.GetAttribute("id");
int address = 0;
int length = 0;
if (ecuId == this.EcuIdentifier)
{
reader.Read();
SsmParameterSource.ReadUntil(
reader,
delegate
{
return(reader.IsStartElement());
},
"Expected address element after ecu element");
SsmParameterSource.GetAddress(reader, ref address, ref length);
if (!reader.ReadToFollowing("conversion"))
{
throw new InvalidDataException("Invalid XML: expected conversion element after ecuparam element");
}
List <Conversion> conversions = new List <Conversion>();
SsmParameterSource.GetConversions(reader, conversions);
SsmParameter parameter = new SsmParameter(
this,
id,
name,
address,
length,
conversions.AsReadOnly());
this.AddParameter(parameter);
break;
}
}
reader.Read();
}
}
}
/// <summary>
/// Load standard parameters with the XmlReader method
/// </summary>
/// <remarks>
/// TODO: stop at the end of the parameters element, so the stream rewind won't be necessary
/// </remarks>
/// <exception cref="IOException">Unable to read from source stream</exception>
/// <exception cref="InvalidDataException">Source document is corrupt</exception>
internal void LoadStandardParameters(XmlReader reader)
{
while (!reader.EOF)
{
if (!reader.ReadToFollowing("parameter"))
{
return;
}
//string elementName = reader.LocalName;
string id = reader.GetAttribute("id");
string name = reader.GetAttribute("name");
string byteString = reader.GetAttribute("ecubyteindex");
string bitString = reader.GetAttribute("ecubit");
int byteIndex = GetInteger(byteString, 0);
int bitIndex = GetInteger(bitString, 0);
int address = 0;
int length = 0;
ReadOnlyCollection <Parameter> dependencies = null;
reader.Read();
SsmParameterSource.ReadUntil(
reader,
delegate
{
return(reader.IsStartElement());
},
"Expected address element after parameter element");
if (reader.IsStartElement("address"))
{
SsmParameterSource.GetAddress(reader, ref address, ref length);
}
else if (reader.IsStartElement("depends"))
{
List <Parameter> dependencyList = new List <Parameter>();
if (reader.ReadToDescendant("ref"))
{
while (reader.IsStartElement("ref"))
{
string dependencyId = reader.GetAttribute("parameter");
foreach (Parameter candidate in this.Parameters)
{
if (candidate.Id == dependencyId)
{
dependencyList.Add(candidate);
break;
}
}
if (!reader.ReadToNextSibling("ref"))
{
break;
}
}
if (dependencyList.Count > 0)
{
dependencies = dependencyList.AsReadOnly();
}
else
{
dependencies = null;
}
}
else
{
throw new InvalidDataException("XML schema doesn't match expectations. Parameter \"" + name + "\" has depends but not ref");
}
}
else
{
throw new InvalidDataException("XML schema doesn't match expectations. Parameter \"" + name + "\" not followed by address or depends");
}
if (!reader.ReadToFollowing("conversion"))
{
throw new InvalidDataException("XML schema doesn't match expectations (expected conversions node after address node, found " + reader.Name + ")");
}
List <Conversion> conversions = new List <Conversion>();
SsmParameterSource.GetConversions(reader, conversions);
SsmParameter parameter = new SsmParameter(
this,
id,
name,
address,
length,
conversions.AsReadOnly(),
byteIndex,
bitIndex,
dependencies.Count == 0 ? null : dependencies);
this.AddParameter(parameter);
reader.Read();
}
}