private void ReadParams()
{
if (File.Exists(WCFParams))
{
IniFile Ini = new IniFile(WCFParams);
nDaysCount = Int32.Parse(Ini.Read("all", "nDaysCount"));
sStartingDate = Ini.Read("all", "sStartingDate");
nHoursBeforeEat = Int32.Parse(Ini.Read("all", "nHoursBeforeEat"));
nEatPeriod = Int32.Parse(Ini.Read("all", "nEatPeriod"));
dWeights = new Double[nDaysCount];
string localDate = sStartingDate;
for (int i = 0; i < nDaysCount; i++)
{
//dWeights[i] = Double.Parse(Ini.Read("all", localDate));
Double.TryParse(Ini.Read("all", localDate), out dWeights[i]);
localDate = NextDay(localDate);
}
}
else
{
var myFile = File.Create(WCFParams);
myFile.Close();
IniFile Ini = new IniFile(WCFParams);
Ini.Write("all", "nDaysCount", nDaysCount.ToString());
Ini.Write("all", "sStartingDate", sStartingDate);
Ini.Write("all", "nHoursBeforeEat", nHoursBeforeEat.ToString());
Ini.Write("all", "nEatPeriod", nEatPeriod.ToString());
dWeights = new Double [nDaysCount];
dWeights[0] = 0;
for (int i = 1; i < nDaysCount; i++)
{
dWeights[i] = 0;
}
string localDate = sStartingDate;
for (int i = 0; i < nDaysCount; i++)
{
Ini.Write("all", localDate, dWeights[i].ToString());
localDate = NextDay(localDate);
}
}
}
public static bool TryParse(string s, out Vector4D result)
{
if (s == null)
{
result = Zero;
return(false);
}
string[] vals = ParseHelper.SplitStringVector(s);
if (vals.Length != Count)
{
result = Zero;
return(false);
}
if (Scalar.TryParse(vals[0], out result.X) &&
Scalar.TryParse(vals[1], out result.Y) &&
Scalar.TryParse(vals[2], out result.Z) &&
Scalar.TryParse(vals[3], out result.W))
{
return(true);
}
else
{
result = Zero;
return(false);
}
}
private void ListWeightElem_LostFocus(object sender, RoutedEventArgs e)
{
Control ctrl = sender as Control;
if (ctrl != null)
{
// Get the control name
string sName = ctrl.Name;
int iIndex = Int32.Parse(sName.Substring(1));
Double.TryParse(iItemsW[iIndex].Text, out dWeights[iIndex]);
if (dWeights[iIndex] == 0)
{
iItemsW[iIndex].Text = "";
}
}
}
public static bool TryParse(string s, out Clamped result)
{
if (s != null)
{
string[] vals = s.Split(new char[] { '<', '(', ')' }, StringSplitOptions.RemoveEmptyEntries);
if (vals.Length == 3)
{
Scalar min, value, max;
if (Scalar.TryParse(vals[0], out min) &&
Scalar.TryParse(vals[1], out value) &&
Scalar.TryParse(vals[2], out max))
{
result = new Clamped(value, min, max);
return(true);
}
}
}
result = null;
return(false);
}
public static bool TryParse <T>(string s, ref T valueType, string leftParenth, string rightParenth, char divider)
where T : IAdvanceValueType
{
if (s == null)
{
return(false);
}
string[] parts = SpritString(s, divider, new string[] { leftParenth, rightParenth });
if (parts.Length != valueType.Count)
{
return(false);
}
Scalar[] result = new Scalar[valueType.Count];
for (int index = 0; index < valueType.Count; ++index)
{
if (!Scalar.TryParse(parts[index], out result[index]))
{
return(false);
}
}
valueType.CopyFrom(result, 0);
return(true);
}
private static Node ParseGroup(IEnumerator <Token> lexics)
{
// eliminating subgroups
var expressionNodes = new LinkedList <object>();
do
{
Token token = lexics.Current;
switch (token.Type)
{
case TokenType.Literal:
if (NumberType.TryParse(token.Value, out NumberType value))
{
expressionNodes.AddLast(new NumberNode(value));
}
else
{
throw new SyntacticException(token, "Incorrect literal " + token);
}
break;
case TokenType.ConstantName:
expressionNodes.AddLast(new NumberNode(Constants.Mathematical[token.Value]));
break;
case TokenType.Variable:
expressionNodes.AddLast(new VariableNode(token.Value));
break;
case TokenType.OpeningParenthesis:
if (!lexics.MoveNext())
{
throw new SyntacticException(token, "Expression expected");
}
expressionNodes.AddLast(ParseGroup(lexics));
if (lexics.Current == null || lexics.Current.Type != TokenType.ClosingParenthesis)
{
throw new SyntacticException(token, "Closing paranthesis expected");
}
break;
case TokenType.FunctionName:
if (!lexics.MoveNext() || lexics.Current.Type != TokenType.OpeningParenthesis)
{
throw new SyntacticException(token, "Argument list expected");
}
Token lastTokenBeforeArgument = lexics.Current;
var arguments = new List <Node>();
while (lexics.Current.Type == TokenType.OpeningParenthesis ||
lexics.Current.Type == TokenType.Comma)
{
if (!lexics.MoveNext())
{
throw new SyntacticException(lastTokenBeforeArgument, "Argument expected");
}
arguments.Add(ParseGroup(lexics));
lastTokenBeforeArgument = lexics.Current;
}
if (lexics.Current == null || lexics.Current.Type != TokenType.ClosingParenthesis)
{
throw new SyntacticException(token, "Closing paranthesis expected");
}
int expectedParamsCount = Constants.Functional[token.Value].GetParameters().Length;
if (arguments.Count != expectedParamsCount)
{
throw new SyntacticException(token, $"{expectedParamsCount} parameters expected, got {arguments.Count}");
}
expressionNodes.AddLast(new FunctionNode(token.Value, arguments));
break;
case TokenType.Operator:
expressionNodes.AddLast(token);
break;
default:
throw new SyntacticException(token, "Unexpected token");
}
} while (lexics.MoveNext() &&
lexics.Current.Type != TokenType.ClosingParenthesis &&
lexics.Current.Type != TokenType.Comma);
// eliminate power operations
for (var i = expressionNodes.First; i != null; i = i.Next)
{
Token current;
if ((current = i.Value as Token) != null && current.Value == "^")
{
bool rightSignIsNegative = false;
Node left, right;
if (i.Previous == null || (left = i.Previous.Value as Node) == null)
{
throw new SyntacticException(current, "Left expression expected");
}
while (true)
{
var j = i.Next;
Token signToken;
if ((signToken = j.Value as Token) != null)
{
if (signToken.Value == "+")
{
expressionNodes.Remove(j);
continue;
}
if (signToken.Value == "-")
{
rightSignIsNegative = !rightSignIsNegative;
expressionNodes.Remove(j);
continue;
}
}
else if ((right = j.Value as Node) != null)
{
expressionNodes.Remove(j);
break;
}
throw new SyntacticException(current, "Right expression expected");
}
if (rightSignIsNegative)
{
right = new NegationNode(right);
}
var newI = i.Previous;
newI.Value = new BinaryOperationNode(left, right, BinaryOperation.Pow);
expressionNodes.Remove(i);
i = newI;
}
}
// eliminate multiplication groups (like "2x" = "2*x" or "1 x 2" = "1*x*2")
for (var i = expressionNodes.First; i != null; i = i.Next)
{
Node current, next;
if ((current = i.Value as Node) != null)
{
var j = i.Next;
while (j != null && (next = j.Value as Node) != null)
{
current = new BinaryOperationNode(current, next, BinaryOperation.Mul);
var nextJ = j.Next;
expressionNodes.Remove(j);
j = nextJ;
}
i.Value = current;
}
}
// eliminate multiplication operations
for (var i = expressionNodes.First; i != null; i = i.Next)
{
Token current;
if ((current = i.Value as Token) != null && (current.Value == "*" || current.Value == "/"))
{
bool rightSignIsNegative = false;
Node left, right;
if (i.Previous == null || (left = i.Previous.Value as Node) == null)
{
throw new SyntacticException(current, "Left expression expected");
}
while (true)
{
var j = i.Next;
Token signToken;
if ((signToken = j.Value as Token) != null)
{
if (signToken.Value == "+")
{
expressionNodes.Remove(j);
continue;
}
if (signToken.Value == "-")
{
rightSignIsNegative = !rightSignIsNegative;
expressionNodes.Remove(j);
continue;
}
}
else if ((right = j.Value as Node) != null)
{
expressionNodes.Remove(j);
break;
}
throw new SyntacticException(current, "Right expression expected");
}
if (rightSignIsNegative)
{
right = new NegationNode(right);
}
var newI = i.Previous;
newI.Value = new BinaryOperationNode(left, right,
current.Value == "*" ? BinaryOperation.Mul : BinaryOperation.Div);
expressionNodes.Remove(i);
i = newI;
}
}
// eliminate additive operations
int sign = 0;
for (var i = expressionNodes.First; i != null;)
{
Token token;
if ((token = i.Value as Token) != null)
{
if (sign == 0)
{
sign = 1;
}
if (token.Value == "-")
{
sign = -sign;
}
var newI = i.Next;
expressionNodes.Remove(i);
i = newI;
}
else
{
Node right = (Node)i.Value;
if (i == expressionNodes.First)
{
i.Value = sign == -1 ? new NegationNode(right) : right;
i = i.Next;
}
else
{
expressionNodes.First.Value = new BinaryOperationNode((Node)expressionNodes.First.Value, right,
sign == -1 ? BinaryOperation.Sub : BinaryOperation.Add);
var newI = i.Next;
expressionNodes.Remove(i);
i = newI;
}
sign = 0;
}
}
if (sign != 0)
{
throw new SyntacticException(message: "Expression is expected in the end of text");
}
if (expressionNodes.Count != 1)
{
throw new NotImplementedException();
}
return((Node)expressionNodes.First.Value);
}
/// <summary>转为浮点数</summary>
/// <param name="value">待转换对象</param>
/// <param name="defaultValue">默认值。待转换对象无效时使用</param>
/// <returns></returns>
public virtual Double ToDouble(Object value, Double defaultValue)
{
if (value == null || value == DBNull.Value)
{
return(defaultValue);
}
// 特殊处理字符串，也是最常见的
if (value is String str)
{
str = ToDBC(str).Trim();
if (str.IsNullOrEmpty())
{
return(defaultValue);
}
if (Double.TryParse(str, out var n))
{
return(n);
}
return(defaultValue);
}
else if (value is Byte[] buf)
{
if (buf == null || buf.Length < 1)
{
return(defaultValue);
}
switch (buf.Length)
{
case 1:
return(buf[0]);
case 2:
return(BitConverter.ToInt16(buf, 0));
case 3:
return(BitConverter.ToInt32(new Byte[] { buf[0], buf[1], buf[2], 0 }, 0));
case 4:
return(BitConverter.ToInt32(buf, 0));
default:
// 凑够8字节
if (buf.Length < 8)
{
var bts = new Byte[8];
Buffer.BlockCopy(buf, 0, bts, 0, buf.Length);
buf = bts;
}
return(BitConverter.ToDouble(buf, 0));
}
}
try
{
return(Convert.ToDouble(value));
}
catch { return(defaultValue); }
}
/// <summary>
/// String to Double(字符串 转换成 数值、浮点)
/// </summary>
/// <remarks>
/// 2014-06-23 16:31 Created By iceStone
/// </remarks>
/// <param name="s">String</param>
/// <param name="def">Default</param>
/// <returns>Byte</returns>
public static double ToDouble(this string s, double def = default(double))
{
double result;
return(Double.TryParse(s, out result) ? result : def);
}
