using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Jace.Util
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{
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/// <summary>
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/// Utility methods of Jace.NET that can be used throughout the engine.
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/// </summary>
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internal static class EngineUtil
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{
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static internal IDictionary<string, double> ConvertVariableNamesToLowerCase(IDictionary<string, double> variables)
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{
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Dictionary<string, double> temp = new Dictionary<string, double>();
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foreach (KeyValuePair<string, double> keyValuePair in variables)
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{
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temp.Add(keyValuePair.Key.ToLowerFast(), keyValuePair.Value);
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}
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return temp;
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}
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// This is a fast ToLower for strings that are in ASCII
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static internal string ToLowerFast(this string text)
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{
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StringBuilder buffer = new StringBuilder(text.Length);
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for(int i = 0; i < text.Length; i++)
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{
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char c = text[i];
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if (c >= 'A' && c <= 'Z')
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{
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buffer.Append((char)(c + 32));
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}
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else
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{
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buffer.Append(c);
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}
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}
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return buffer.ToString();
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}
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}
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}
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