/// <summary>
/// 异步校验表达式
/// </summary>
/// <param name="error"></param>
public void Validate(UnityAction <bool, string> error)
{
var text = StringExpressionInput.text;
Loading.SetActive(true);
try
{
var sym = CalcArgs.GetSymexpr(text);
var list = new List <string>();
GetAllFactors(sym, list);
foreach (var item in RecordManager.tempRecord.quantities)
{
if (item.processMethod == 1)
{
if (list.Contains("k_" + item.Symbol) || list.Contains("Δ" + item.Symbol))
{
Loading.SetActive(false);
error?.Invoke(false, $"直接计算的物理量{item.Name}不能使用变化量或变化率");
return;
}
}
else if (item.processMethod == 2)
{
if (list.Contains("k_" + item.Symbol) || list.Contains(item.Symbol))
{
Loading.SetActive(false);
error?.Invoke(false, $"逐差法处理的物理量{item.Name}不能直接使用其测量平均值或变化率");
return;
}
}
else if (item.processMethod == 3 || item.processMethod == 4)
{
if (list.Contains(item.Symbol) || list.Contains("Δ" + item.Symbol))
{
Loading.SetActive(false);
error?.Invoke(false, $"物理量{item.Name}不能直接使用其测量平均值或变化量");
return;
}
}
}
LatexEquationRender.Render(sym.ToLaTeX(),
action: _ =>
{
Loading.SetActive(false);
var(res, message) = StaticMethods.ValidExpression(ExpressionToCalc(text));
error?.Invoke(res, message);
},
errorHandler: () =>
{
Loading.SetActive(false);
error?.Invoke(false, "表达式渲染失败");
});
}
catch
{
Loading.SetActive(false);
error?.Invoke(false, "表达式格式不正确");
}
}
public void Render()
{
var text = _Expression.text;
LatexEquationRender.Render(CalcArgs.GetSymexpr(text).ToLaTeX(), x =>
{
_Image.FitHeight(x);
});
}
/// <summary>
/// 渲染合成量表达式图片
/// </summary>
public void Render()
{
var exp = CalcArgs.GetSymexpr(
EnterExpression.ExpressionToShow(RecordManager.tempRecord.stringExpression))
.ToLaTeX();
LatexEquationRender.Render(exp, x =>
{
_Image.FitImage(x, 270, 40);
});
}
/// <summary>
/// 渲染表达式
/// </summary>
public void Render()
{
var text = StringExpressionInput.text;
if (string.IsNullOrEmpty(text))
{
LatexEquationRender.Render("expr.", LoadSprite);
}
else
{
LatexEquationRender.Render(CalcArgs.GetSymexpr(text).ToLaTeX(), LoadSprite);
}
}
public static string ExpressionToShow(string expr)
{
try
{
var sym = CalcArgs.GetSymexpr(expr);
var factors = new List <string>();
GetAllFactors(sym, factors);
factors = factors.OrderByDescending(x => x.Length).ToList();
Dictionary <string, string> replacement = new Dictionary <string, string>();
foreach (var item in factors)
{
string guid = GetUniqueIDTO22();
replacement.Add(guid, item);
expr = expr.Replace(item, guid);
}
foreach (var item in RecordManager.tempRecord.quantities)
{
var replace = replacement.Where(x => x.Value.Equals(item.Symbol));
if (replace.Any())
{
var tmp = replace.First();
if (item.processMethod == 1)
{
expr = expr.Replace(tmp.Key, item.Symbol);
}
else if (item.processMethod == 2)
{
expr = expr.Replace(tmp.Key, "Δ" + item.Symbol);
}
else if (item.processMethod == 3 || item.processMethod == 4)
{
expr = expr.Replace(tmp.Key, "k_" + item.Symbol);
}
}
}
}
catch { }
return(expr);
}