92 lines
4.2 KiB
C#
92 lines
4.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace CaeGlobals
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{
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internal static class EquationToString
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{
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public static object ConvertFromEquationToString(ITypeDescriptorContext context, CultureInfo culture, object value,
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Func<ITypeDescriptorContext, CultureInfo, object, object> ConvertFrom)
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{
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if (value is string valueString)
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{
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valueString = valueString.Split(new string[] { ";" }, StringSplitOptions.RemoveEmptyEntries)[0];
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return valueString;
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}
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else return ConvertFrom(context, culture, value);
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}
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public static object ConvertFromStringToEquation(ITypeDescriptorContext context, CultureInfo culture,
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object value, Type destinationType,
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Func<ITypeDescriptorContext, CultureInfo, object, object> ConvertFrom,
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Func<ITypeDescriptorContext, CultureInfo, object, Type, object> ConvertTo)
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{
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if (value is string valueString)
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{
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double result = Convert.ToDouble(ConvertFrom(context, culture, valueString));
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string resultStr = (string)ConvertTo(context, culture, result, typeof(string));
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if (valueString.Contains("=")) return valueString.Trim().Replace(" ", "") + "; (" + resultStr + ")";
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else return resultStr;
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}
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return ConvertTo(context, culture, value, destinationType);
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}
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//
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public static object ConvertFromStringToEquationString(ITypeDescriptorContext context, CultureInfo culture, object value,
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Func<ITypeDescriptorContext, CultureInfo, object, object> ConvertFrom)
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{
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if (value is string valueString)
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{
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string equation;
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if (valueString.Length > 0)
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equation = valueString.Split(new string[] { ";" }, StringSplitOptions.RemoveEmptyEntries)[0];
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else equation = valueString;
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// Test the conversion
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ConvertFrom(context, culture, equation);
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// Return the equation
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return new EquationString(equation);
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}
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else return ConvertFrom(context, culture, value);
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}
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//
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public static object ConvertToStringFromEquationString(ITypeDescriptorContext context, CultureInfo culture,
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object value, Type destinationType,
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Func<ITypeDescriptorContext, CultureInfo, object, object> ConvertFrom,
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Func<ITypeDescriptorContext, CultureInfo, object, Type, object> ConvertTo,
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bool addResult = true)
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{
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try
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{
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if (destinationType == typeof(string) && value is EquationString equationString)
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{
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double result = Convert.ToDouble(ConvertFrom(context, culture, equationString.Equation));
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string resultStr = (string)ConvertTo(context, culture, result, typeof(string));
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//
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if (equationString.IsEquation())
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{
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string equation = equationString.Equation.Trim().Replace(" ", "");
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if (addResult) return equation + "; (" + resultStr + ")";
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else return equation;
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}
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else return resultStr;
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}
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return ConvertTo(context, culture, value, destinationType);
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}
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catch (Exception ex)
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{
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if (ex.Message.StartsWith("Parameter was not defined")) return ((EquationString)value).Equation + "; (Error)";
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else throw ex;
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}
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}
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}
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}
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