static ParsedFormula Parse(string formula, string variantName)
{
FormulaParser parser = new FormulaParser();
parser.Formula = formula;
parser.Variant = variantName;
IBxUnitConvert root = parser.Parse();
return((root == null) ? null : new ParsedFormula(root));
}
public void LoadUnitConfigNode(XmlElement cateNode)
{
FormulaParser parser = new FormulaParser();
try
{
m_id = cateNode.GetAttribute("id");
_name = cateNode.GetAttribute("name");
_code = cateNode.GetAttribute("code");
XmlElement unitsNode = (XmlElement)cateNode.SelectSingleNode("Units");
string defaultUnit = unitsNode.GetAttribute("primaryUnit");
//获取所有的单位
XmlNodeList unitsNodeList = cateNode.SelectSingleNode("Units").ChildNodes;
List <IBxUnit> units = new List <IBxUnit>();
List <string> fmls = new List <string>();
int nIndex = 0;
string id = null;
string name = null;
string code = null;
int dd = 0;
foreach (XmlElement one in unitsNodeList)
{
id = one.GetAttribute("id");
if (id == defaultUnit)
{
m_nDefaultUnitIndex = nIndex;
}
name = one.GetAttribute("name");
if (string.IsNullOrEmpty(name))
{
name = id;
}
name = UnitNameConvert.Convert(name);
code = one.GetAttribute("code");
if (!Int32.TryParse(one.GetAttribute("decimalDigits"), out dd))
{
throw new Exception("no decimal digis in unit " + id + " !");
}
units.Add(new BUUnit(id, name, code, dd, this, nIndex));
fmls.Add(one.GetAttribute("defaultUnit"));
nIndex++;
}
m_units = units.ToArray();
//end
//生成默认转换公式
int nCounts = m_units.Length;
m_formulas = new _SrcUnitFormulas[nCounts];
nIndex = 0;
_SrcUnitFormulas temp = null;
foreach (IBxUnit one in m_units)
{
temp = new _SrcUnitFormulas(nIndex, nCounts);
m_formulas[nIndex] = temp;
if (nIndex != m_nDefaultUnitIndex)
{
parser.Formula = fmls[nIndex];
parser.Variant = one.ID;
temp.SetFormula(m_nDefaultUnitIndex, new ParsedFormula(parser.Parse()));
}
nIndex++;
}
//end
}
catch (System.Exception) { }
try
{
XmlElement formulasNode = (XmlElement)cateNode.SelectSingleNode("Formulas");
XmlNodeList formulaNodeList = formulasNode.ChildNodes;
string srcUnit;
string trgUnit;
foreach (XmlElement one in formulaNodeList)
{
srcUnit = one.GetAttribute("src");
trgUnit = one.GetAttribute("trg");
parser.Formula = one.GetAttribute("convertion");
parser.Variant = srcUnit;
SetFormula(srcUnit, trgUnit, new ParsedFormula(parser.Parse()));
}
}
catch (System.Exception) { }
}
public void LoadUnitConfigNode(XmlElement cateNode)
{
FormulaParser parser = new FormulaParser();
try
{
_id = cateNode.GetAttribute("id");
_code = cateNode.GetAttribute("code");
XmlElement unitsNode = (XmlElement)cateNode.SelectSingleNode("Units");
XmlNodeList unitsNodeList = cateNode.SelectSingleNode("Units").ChildNodes;
int count = unitsNodeList.Count;
_units = new CategoryUnits(count);
_formulas = new BxSrcUnitFormulas[count];
int nIndex = 0;
string id = null;
string code = null;
int dd = 0;
foreach (XmlElement one in unitsNodeList)
{
id = one.GetAttribute("id");
code = one.GetAttribute("code");
if (!Int32.TryParse(one.GetAttribute("decimalDigits"), NumberStyles.Any, CultureInfo.InvariantCulture, out dd))
{
//throw new Exception("no decimal digis in unit " + id + " !");
}
_units[nIndex] = new BxUnit(id, code, dd, this, nIndex);
_formulas[nIndex] = new BxSrcUnitFormulas(nIndex, count);
nIndex++;
}
}
catch (System.Exception) { }
string srcUnit;
string trgUnit;
try
{
XmlElement formulasNode = (XmlElement)cateNode.SelectSingleNode("Formulas");
if (formulasNode == null)
{
return;
}
string primaryUnitID = formulasNode.GetAttribute("primaryUnit");
if (string.IsNullOrEmpty(primaryUnitID))
{
return;
}
_nDefaultUnitIndex = ParseEx(primaryUnitID).Index;
XmlNodeList formulaNodeList = formulasNode.ChildNodes;
foreach (XmlElement one in formulaNodeList)
{
srcUnit = one.GetAttribute("src");
trgUnit = one.GetAttribute("trg");
parser.Formula = one.GetAttribute("convertion");
parser.Variant = srcUnit;
SetFormula(srcUnit, trgUnit, new ParsedFormula(parser.Parse()));
}
}
catch (System.Exception) { }
}