private static void LoadSignal(XmlNode node, VdfMessage message, VdfDocument vdfDocument)
{
string sval;
if (!XmlUtils.TryGetStringAttrValue(node, VdfTag.NameAttrName, out sval))
{
return;
}
VdfSignal signal = new VdfSignal();
signal.Name = sval;
message.SignalTable.Add(signal.Name, signal);
int ival;
if (XmlUtils.TryGetIntAttrValue(node, VdfTag.StartBitAttrName, out ival))
{
signal.StartBit = ival;
}
else
{
throw new VdfException("Signal " + signal.Name + " missing StartBit Attribute");
}
if (XmlUtils.TryGetIntAttrValue(node, VdfTag.BitLenAttrName, out ival))
{
signal.BitLen = ival;
}
else
{
throw new VdfException("Signal " + signal.Name + " missing BitLen Attribute");
}
if (XmlUtils.TryGetStringAttrValue(node, VdfTag.ByteOrderAttrName, out sval))
{
VdfByteOrder vdfByteOrder;
if (!Enum.TryParse <VdfByteOrder>(sval, out vdfByteOrder))
{
throw new VdfException(
string.Format("Invalid Byte Order: {0}, Only Can be {1} or {2}",
sval, "Intel", "Motorola"));
}
signal.ByteOrder = vdfByteOrder;
}
if (XmlUtils.TryGetStringAttrValue(node, VdfTag.ValueDescAttrName, out sval))
{
signal.ValueDesc = sval;
//有个要求，只有值描述已经更新过了，Signal中的值描述才会更新
signal.VdfValueDesc = vdfDocument.ValueDesc(sval);
if (signal.VdfValueDesc == null)
{
throw new VdfException("ValueDesc " + sval + " Is Undefined Before " +
"Define Signal " + signal.Name);
}
}
}
private static void Load(XmlDocument doc, VdfDocument vdfDocument)
{
//获取Vdf根元素
var elems = doc.GetElementsByTagName(VdfTag.VdfElemName);
if (elems.Count == 0 || elems.Count > 1)
{
throw new VdfException("Vdf element count must be one.");
}
//获取版本号
var vdfRoot = elems[0];
string version = VdfDocument.Version;
if (vdfRoot.Attributes[VdfTag.VersionAttrName] != null)
{
version = vdfRoot.Attributes[VdfTag.VersionAttrName].Value;
}
ParseHandler parser;
if (parseHandlerTable.TryGetValue(version, out parser))
{
parser(vdfRoot, vdfDocument);
}
else
{
throw new VdfException("Vdf File Version is newer than current Vdf Parser. " +
"Please use newest Vdf4Cs library to handle");
}
}
public override void Save(XmlElement valueDescTableElem, XmlDocument xmlDoc,
VdfDocument vdfDocument)
{
var valDescElem = CreateValueDesc(valueDescTableElem, xmlDoc);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.TypeAttrName, Type);
}
private void SaveEntry(KeyValuePair <int, string> entry,
XmlElement valueDescElem, XmlDocument xmlDoc, VdfDocument vdfDocument)
{
var entryElem = xmlDoc.CreateElement(VdfTag.EntryElemName);
valueDescElem.AppendChild(entryElem);
XmlUtils.SetElemAttribute(entryElem, xmlDoc, VdfTag.ValueAttrName, entry.Key);
XmlUtils.SetElemAttribute(entryElem, xmlDoc, VdfTag.DescriptionAttrName, entry.Value);
}
public override void Save(XmlElement valueDescTableElem, XmlDocument xmlDoc,
VdfDocument vdfDocument)
{
var valueDescElem = CreateValueDesc(valueDescTableElem, xmlDoc);
XmlUtils.SetElemAttribute(valueDescElem, xmlDoc, VdfTag.TypeAttrName, Type);
foreach (var entry in EntryTable)
{
SaveEntry(entry, valueDescElem, xmlDoc, vdfDocument);
}
}
public override void Save(XmlElement valueDescElem, XmlDocument xmlDoc,
VdfDocument vdfDocument)
{
var valDescElem = CreateValueDesc(valueDescElem, xmlDoc);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.TypeAttrName, Type);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.FactorAttrName, Factor);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.OffsetAttrName, Offset);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.UnitAttrName, Unit);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.MinimumAttrName, Minimum);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.MaximumAttrName, Maximum);
}
private static void LoadValueDescTable(XmlNode valueDescTableNode, VdfDocument vdfDocument)
{
vdfDocument.ValueDescTable = new Dictionary <string, VdfValueDesc>();
var nodes = valueDescTableNode.SelectNodes(VdfTag.ValueDescElemName);
if (nodes != null)
{
foreach (XmlNode valueDescNode in nodes)
{
LoadValueDesc(valueDescNode, vdfDocument.ValueDescTable);
}
}
}
internal static void Load(string vdfFile, VdfDocument vdfDocument)
{
try
{
XmlDocument doc = new XmlDocument();
doc.Load(vdfFile);
Load(doc, vdfDocument);
}
catch (Exception ex)
{
throw new VdfException(ex.Message, ex.InnerException);
}
}
private static void LoadMessageTable(XmlNode messageTableNode, VdfDocument vdfDocument)
{
vdfDocument.MessageTable = new Dictionary <string, VdfMessage>();
var nodes = messageTableNode.SelectNodes(VdfTag.MessageElemName);
if (nodes != null)
{
foreach (XmlNode messageNode in nodes)
{
LoadMessage(messageNode, vdfDocument.MessageTable, vdfDocument);
}
}
}
private static void SaveVersion1_0(XmlDocument xmlDoc, VdfDocument vdfDocument)
{
// 创建根节点
var rootElem = xmlDoc.CreateElement(VdfTag.VdfElemName);
rootElem.SetAttribute(VdfTag.VersionAttrName, VdfDocument.Version);
xmlDoc.AppendChild(rootElem);
// 保存值描述
SaveValueDescTable(rootElem, xmlDoc, vdfDocument);
// 保存报文表
SaveMessageTable(rootElem, xmlDoc, vdfDocument);
}
private static void SaveSignal(VdfSignal signal, XmlElement messageElem,
XmlDocument xmlDoc, VdfDocument vdfDocument)
{
var signalElem = xmlDoc.CreateElement(VdfTag.SignalElemName);
messageElem.AppendChild(signalElem);
XmlUtils.SetElemAttribute(signalElem, xmlDoc, VdfTag.NameAttrName, signal.Name);
XmlUtils.SetElemAttribute(signalElem, xmlDoc,
VdfTag.StartBitAttrName, signal.StartBit);
XmlUtils.SetElemAttribute(signalElem, xmlDoc, VdfTag.BitLenAttrName, signal.BitLen);
XmlUtils.SetElemAttribute(signalElem, xmlDoc,
VdfTag.ByteOrderAttrName, signal.ByteOrder);
XmlUtils.SetElemAttribute(signalElem, xmlDoc, VdfTag.ValueDescAttrName, signal.ValueDesc);
}
internal static void Save(string file, VdfDocument vdfDocument)
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.AppendChild(xmlDoc.CreateXmlDeclaration("1.0", "utf-8", ""));
SaveHandler handler;
if (saveHandlerTable.TryGetValue(VdfDocument.Version, out handler))
{
handler(xmlDoc, vdfDocument);
}
xmlDoc.Save(file);
}
private static void LoadVersion1_0(XmlNode vdfNode, VdfDocument vdfDocument)
{
var node = vdfNode.SelectSingleNode(VdfTag.ValueDescTableElemName);
if (node != null)
{
LoadValueDescTable(node, vdfDocument);
}
node = vdfNode.SelectSingleNode(VdfTag.MessageTableElemName);
if (node != null)
{
LoadMessageTable(node, vdfDocument);
}
}
public override void Save(XmlElement valueDescTableElem, XmlDocument xmlDoc,
VdfDocument vdfDocument)
{
var valDescElem = CreateValueDesc(valueDescTableElem, xmlDoc);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.TypeAttrName, Type);
if (CanFillAlpha)
{
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.SeparatorAttrName, Separator);
}
else
{
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.FactorAttrName, Factor);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.OffsetAttrName, Offset);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.MinimumAttrName, Minimum);
XmlUtils.SetElemAttribute(valDescElem, xmlDoc, VdfTag.MaximumAttrName, Maximum);
}
XmlUtils.SetElemAttribute(valDescElem, xmlDoc,
VdfTag.CanFillAlphaAttrName, CanFillAlpha);
}
protected virtual void OnVdfDocumentChanged(VdfDocument doc)
{
}
private static void LoadMessage(XmlNode messageNode,
Dictionary <string, VdfMessage> messageTable, VdfDocument vdfDocument)
{
string sval;
if (!XmlUtils.TryGetStringAttrValue(messageNode, VdfTag.NameAttrName, out sval))
{
return; //报文如果没有名称，则直接丢弃掉
}
VdfMessage message = new VdfMessage();
message.Name = sval;
if (XmlUtils.TryGetStringAttrValue(messageNode, VdfTag.DescriptionAttrName, out sval))
{
message.Description = sval;
}
int ival;
if (XmlUtils.TryGetIntAttrValue(messageNode, VdfTag.ByteLenAttrName, out ival))
{
message.ByteLen = ival;
}
messageTable.Add(message.Name, message);
//解析所有信号
var nodes = messageNode.SelectNodes(VdfTag.SignalElemName);
message.SignalTable = new Dictionary <string, VdfSignal>();
foreach (XmlNode node in nodes)
{
LoadSignal(node, message, vdfDocument);
}
}
private static void SaveMessageTable(XmlElement rootElem, XmlDocument xmlDoc, VdfDocument vdfDocument)
{
var messageTblElem = xmlDoc.CreateElement(VdfTag.MessageTableElemName);
rootElem.AppendChild(messageTblElem);
foreach (var entry in vdfDocument.MessageTable)
{
SaveMessage(entry.Value, messageTblElem, xmlDoc, vdfDocument);
}
}
private static void SaveMessage(VdfMessage message,
XmlElement messageTblElem, XmlDocument xmlDoc, VdfDocument vdfDocument)
{
var messageElem = xmlDoc.CreateElement(VdfTag.MessageElemName);
messageTblElem.AppendChild(messageElem);
XmlUtils.SetElemAttribute(messageElem, xmlDoc, VdfTag.NameAttrName, message.Name);
XmlUtils.SetElemAttribute(messageElem, xmlDoc,
VdfTag.DescriptionAttrName, message.Description);
XmlUtils.SetElemAttribute(messageElem, xmlDoc,
VdfTag.ByteLenAttrName, message.ByteLen);
foreach (var signalEntry in message.SignalTable)
{
SaveSignal(signalEntry.Value, messageElem, xmlDoc, vdfDocument);
}
}
private static void SaveValueDescTable(XmlElement rootElem, XmlDocument xmlDoc, VdfDocument vdfDocument)
{
var valueDescTblElem = xmlDoc.CreateElement(VdfTag.ValueDescTableElemName);
rootElem.AppendChild(valueDescTblElem);
foreach (var valueDesc in vdfDocument.ValueDescTable)
{
valueDesc.Value.Save(valueDescTblElem, xmlDoc, vdfDocument);
}
}
public abstract void Save(XmlElement valueDescTableElem, XmlDocument xmlDoc,
VdfDocument vdfDocument);
protected override void OnVdfDocumentChanged(VdfDocument doc)
{
base.OnVdfDocumentChanged(doc);
}