/// <summary>
/// Creates a new unit group and adds it to the group table.
/// </summary>
/// <param name="groupName">Name of the new group.</param>
/// <returns>Unit result value.</returns>
private UnitResult CreateNewGroup(string groupName)
{
// Create the new group
UnitGroup newgroup = new UnitGroup();
newgroup.Name = groupName;
// Add it to the group table
m_UnitGroups[groupName] = newgroup;
return(UnitResult.NoError);
}
/// <summary>
/// Parses a group node in the unit XML document.
/// </summary>
/// <param name="groupnode">The XML node to parse.</param>
/// <returns>A unit result value.</returns>
private UnitResult ParseGroupXMLNode(string filePath, XmlNode groupnode)
{
int i = 0;
// Check the group has a name.
if (groupnode.Attributes["name"] == null)
{
SendUnitFileWarning("found a group with no name, ignoring group.", filePath, null);
return(UnitResult.GenericError);
}
else
{
// Create the group.
UnitResult res = CreateNewGroup(groupnode.Attributes["name"].Value);
// Make sure the group was created.
if (res != UnitResult.NoError)
{
SendUnitFileWarning("failed to create group entry, skipping group.", filePath, null);
return(UnitResult.GenericError);
}
// Get a reference to the group we just created.
UnitGroup group = this.m_UnitGroups[groupnode.Attributes["name"].Value];
// Parse all the units.
for (i = 0; i < groupnode.ChildNodes.Count; i++)
{
// Get the node reference for the current unit.
XmlNode unitnode = groupnode.ChildNodes[i];
// Ignore comments.
if (unitnode.Name.ToLower() == "#comment")
{
continue;
}
if (unitnode.Name.ToLower() != "unit")
{
SendUnitFileWarning("bad tag found while parsing units of group '{0}' (tag was '{1}'), tag ignored.", filePath, new object[] { group.Name, unitnode.Name });
}
else
{
// Parse out the unit
res = ParseUnitXMLNode(filePath, group, unitnode);
}
}
}
// Completed successfully.
return(UnitResult.NoError);
}
/// <summary>
/// Gets an array of all the groups in the group table.
/// </summary>
/// <returns>Array of UnitGroup objects representing all of the groups in the group table.</returns>
public UnitGroup[] GetAllGroups()
{
UnitGroup[] unitGroups;
// Lock the table (so only we can use it).
lock (this.Dictionary.SyncRoot)
{
unitGroups = new UnitGroup[this.Count];
int i = 0;
// Build an array of all the groups in the table.
foreach (UnitGroup unitGroup in this.Dictionary.Values)
{
unitGroups[i] = unitGroup;
i++;
}
}
// Return our findings.
return(unitGroups);
}
/// <summary>
/// Adds the named unit to the specified group.
/// </summary>
/// <param name="unitName">Name of the unit.</param>
/// <param name="groupName">Name of the group to add the unit to.</param>
/// <returns>Unit result value.</returns>
private UnitResult AddUnitToGroup(string unitName, string groupName)
{
UnitEntry unit = this.m_Units[unitName];
UnitGroup group = this.m_UnitGroups[groupName];
// Make sure the unit exists.
if (unit == null)
{
return(UnitResult.UnitNotFound);
}
// Make sure the group exists.
if (group == null)
{
return(UnitResult.GroupNotFound);
}
// Add the unit.
group.AddUnit(unit);
return(UnitResult.NoError);
}
/// <summary>
/// Gets an array of all the groups in the group table.
/// </summary>
/// <returns>Array of UnitGroup objects representing all of the groups in the group table.</returns>
public UnitGroup[] GetAllGroups()
{
UnitGroup[] unitGroups;
// Lock the table (so only we can use it).
lock (this.Dictionary.SyncRoot)
{
unitGroups = new UnitGroup[this.Count];
int i = 0;
//Build an array of all the groups in the table
foreach (UnitGroup unitGroup in this.Dictionary.Values)
{
unitGroups[i] = unitGroup;
i++;
}
}
// Return our findings.
return unitGroups;
}
/// <summary>
/// Parses an XML node that represents a unit.
/// </summary>
/// <param name="groupName">Name of the group this unit is in.</param>
/// <param name="unitnode">The node containing the unit information.</param>
/// <returns>A unit result value.</returns>
private UnitResult ParseUnitXMLNode(string filePath, UnitGroup group, XmlNode unitnode)
{
int i = 0;
UnitEntry unit = new UnitEntry();
// Make sure the unit has a name.
if (unitnode.Attributes["name"] == null)
{
SendUnitFileWarning("found a unit in group '{0}' with no name, ignored.", filePath, new object[] { group.Name });
return(UnitResult.GenericError);
}
// Store off the name.
unit.Name = unitnode.Attributes["name"].Value;
unit.DefaultSymbol = unit.Name.ToLower();
// Don't allow duplicate units.
if (GetUnitByName(unit.Name) != null)
{
SendUnitFileWarning("duplicate unit with name '{0}' was found and ignored.", filePath, new object[] { unit.Name });
return(UnitResult.UnitExists);
}
// Get every unit property.
for (i = 0; i < unitnode.ChildNodes.Count; i++)
{
XmlNode unitprop = unitnode.ChildNodes[i];
//Ignore comments.
if (unitprop.Name.ToLower() == "#comment")
{
continue;
}
try
{
if (unitprop.Name.ToLower() == "multiply")
{
double x;
if (ParseNumberString(unitprop.InnerText, out x) != UnitResult.NoError)
{
throw new System.Exception();
}
unit.Multiplier = x;
//unit.m_Multiplier = Convert.ToDouble(unitprop.InnerText);
}
else
{
if (unitprop.Name.ToLower() == "add")
{
unit.Adder = Convert.ToDouble(unitprop.InnerText);
}
else
{
if (unitprop.Name.ToLower() == "preadd")
{
unit.PreAdder = Convert.ToDouble(unitprop.InnerText);
}
}
}
}
catch
{
SendUnitFileWarning("unit '{0}' has invalid '{1}' value. Unit skipped.", filePath, new object[] { unit.Name, unitprop.Name });
return(UnitResult.GenericError);
}
// Parse the symbol properties.
if (unitprop.Name.ToLower() == "symbol")
{
//Put the value into the symbol table
if ((unitprop.InnerText != "") && (unitprop.InnerText != null))
{
if (this.m_SymbolTable[unitprop.InnerText] != null)
{
SendUnitFileWarning("while parsing unit '{0}' - a duplicate symbol was found and ignored ({1}).", filePath, new object[] { unit.Name, unitprop.InnerText });
}
else
{
this.m_SymbolTable[unitprop.InnerText] = unit;
// Is this unit the default unit?
if (unitprop.Attributes["default"] != null)
{
unit.DefaultSymbol = unitprop.InnerText;
}
}
}
else
{
SendUnitFileWarning("unit '{0}' has an invalid symbol specified, symbol skipped.", filePath, new object[] { unit.Name });
}
}
}
// Add the unit to the unit table.
m_Units[unit.Name] = unit;
// Add the unit to the group
AddUnitToGroup(unit.Name, group.Name);
// All done!
return(UnitResult.NoError);
}
/// <summary>
/// Parses an XML node that represents a unit.
/// </summary>
/// <param name="groupName">Name of the group this unit is in.</param>
/// <param name="unitnode">The node containing the unit information.</param>
/// <returns>A unit result value.</returns>
private UnitResult ParseUnitXMLNode(string filePath, UnitGroup group, XmlNode unitnode)
{
int i = 0;
UnitEntry unit = new UnitEntry();
//Make sure the unit has a name
if (unitnode.Attributes["name"] == null)
{
SendUnitFileWarning("found a unit in group '{0}' with no name, ignored.", filePath, new object[] { group.Name });
return UnitResult.GenericError;
}
//Store off the name
unit.Name = unitnode.Attributes["name"].Value;
unit.DefaultSymbol = unit.Name.ToLower();
//Dont allow duplicate units
if (GetUnitByName(unit.Name) != null)
{
SendUnitFileWarning("duplicate unit with name '{0}' was found and ignored.", filePath, new object[] { unit.Name });
return UnitResult.UnitExists;
}
//Get every unit property
for (i = 0; i < unitnode.ChildNodes.Count; i++)
{
XmlNode unitprop = unitnode.ChildNodes[i];
//Ignore comments.
if (unitprop.Name.ToLower() == "#comment")
continue;
try
{
if (unitprop.Name.ToLower() == "multiply")
{
double x;
if (ParseNumberString(unitprop.InnerText, out x) != UnitResult.NoError)
throw new System.Exception();
unit.Multiplier = x;
//unit.m_Multiplier = Convert.ToDouble(unitprop.InnerText);
}
else if (unitprop.Name.ToLower() == "add")
unit.Adder = Convert.ToDouble(unitprop.InnerText);
else if (unitprop.Name.ToLower() == "preadd")
unit.PreAdder = Convert.ToDouble(unitprop.InnerText);
}
catch
{
SendUnitFileWarning("unit '{0}' has invalid '{1}' value. Unit skipped.", filePath, new object[] { unit.Name, unitprop.Name });
return UnitResult.GenericError;
}
//Parse the symbol properties
if (unitprop.Name.ToLower() == "symbol")
{
//Put the value into the symbol table
if ((unitprop.InnerText != "") && (unitprop.InnerText != null))
{
if (this.m_SymbolTable[unitprop.InnerText] != null)
SendUnitFileWarning("while parsing unit '{0}' - a duplicate symbol was found and ignored ({1}).", filePath, new object[] { unit.Name, unitprop.InnerText });
else
{
this.m_SymbolTable[unitprop.InnerText] = unit;
//Is this unit the default unit?
if (unitprop.Attributes["default"] != null)
unit.DefaultSymbol = unitprop.InnerText;
}
}
else
SendUnitFileWarning("unit '{0}' has an invalid symbol specified, symbol skipped.", filePath, new object[] { unit.Name });
}
}
//Add the unit to the unit table.
this.m_Units[unit.Name] = unit;
//Add the unit to the group
AddUnitToGroup(unit.Name, group.Name);
//All done!
return UnitResult.NoError;
}
/// <summary>
/// Creates a new unit group and adds it to the group table.
/// </summary>
/// <param name="groupName">Name of the new group.</param>
/// <returns>Unit result value.</returns>
private UnitResult CreateNewGroup(string groupName)
{
//Create the new group
UnitGroup newgroup = new UnitGroup();
newgroup.Name = groupName;
//Add it to the group table
this.m_UnitGroups[groupName] = newgroup;
return UnitResult.NoError;
}
