本文整理汇总了C#中ExpressionContext.Evaluate方法的典型用法代码示例。如果您正苦于以下问题：C# ExpressionContext.Evaluate方法的具体用法？C# ExpressionContext.Evaluate怎么用？C# ExpressionContext.Evaluate使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ExpressionContext的用法示例。
在下文中一共展示了ExpressionContext.Evaluate方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: filter
/// <summary>
/// Used to filter the PlayerStatsRow results based on any user-specified metric stats criteria.
/// </summary>
/// <param name="o">The o.</param>
/// <returns></returns>
private bool filter(object o)
{
var psr = (PlayerStatsRow) o;
var ps = new PlayerStats(psr);
bool keep = true;
var context = new ExpressionContext();
IGenericExpression<bool> ige;
if (!String.IsNullOrWhiteSpace(txtYearsProVal.Text))
{
ige = context.CompileGeneric<bool>(psr.YearsPro.ToString() + cmbYearsProOp.SelectedItem + txtYearsProVal.Text);
if (ige.Evaluate() == false)
{
return false;
}
}
if (!String.IsNullOrWhiteSpace(txtYOBVal.Text))
{
context = new ExpressionContext();
ige = context.CompileGeneric<bool>(psr.YearOfBirth.ToString() + cmbYOBOp.SelectedItem + txtYOBVal.Text);
if (ige.Evaluate() == false)
{
return false;
}
}
if (!String.IsNullOrWhiteSpace(txtHeightVal.Text))
{
double metricHeight = MainWindow.IsImperial
? PlayerStatsRow.ConvertImperialHeightToMetric(txtHeightVal.Text)
: Convert.ToDouble(txtHeightVal.Text);
context = new ExpressionContext();
ige = context.CompileGeneric<bool>(psr.Height.ToString() + cmbHeightOp.SelectedItem + metricHeight.ToString());
if (ige.Evaluate() == false)
{
return false;
}
}
if (!String.IsNullOrWhiteSpace(txtWeightVal.Text))
{
double imperialWeight = MainWindow.IsImperial
? Convert.ToDouble(txtWeightVal.Text)
: PlayerStatsRow.ConvertMetricWeightToImperial(txtWeightVal.Text);
context = new ExpressionContext();
ige = context.CompileGeneric<bool>(psr.Weight.ToString() + cmbWeightOp.SelectedItem + imperialWeight.ToString());
if (ige.Evaluate() == false)
{
return false;
}
}
if (!String.IsNullOrWhiteSpace(txtContractYLeftVal.Text))
{
context = new ExpressionContext();
ige =
context.CompileGeneric<bool>((chkExcludeOption.IsChecked.GetValueOrDefault()
? psr.ContractYearsMinusOption.ToString()
: psr.ContractYears.ToString()) + cmbContractYLeftOp.SelectedItem +
txtContractYLeftVal.Text);
if (ige.Evaluate() == false)
{
return false;
}
}
foreach (string contractYear in lstContract.Items.Cast<string>())
{
string[] parts = contractYear.Split(' ');
ige =
context.CompileGeneric<bool>(psr.GetType().GetProperty("ContractY" + parts[1]).GetValue(psr, null) + parts[2] +
parts[3]);
keep = ige.Evaluate();
if (!keep)
{
return keep;
}
}
IEnumerable<string> totalsFilters = lstTotals.Items.Cast<string>();
Parallel.ForEach(totalsFilters, (item, loopState) =>
{
string[] parts = item.Split(' ');
parts[0] = parts[0].Replace("3P", "TP");
parts[0] = parts[0].Replace("TO", "TOS");
context = new ExpressionContext();
ige = context.CompileGeneric<bool>(psr.GetType().GetProperty(parts[0]).GetValue(psr, null) + parts[1] + parts[2]);
keep = ige.Evaluate();
if (!keep)
{
loopState.Stop();
}
});
if (!keep)
{
return keep;
}
//.........这里部分代码省略.........
示例2: filter
/// <summary>Used to filter the PlayerStatsRow results based on any user-specified metric stats criteria.</summary>
/// <param name="o">The o.</param>
/// <returns></returns>
private bool filter(object o)
{
var psr = (PlayerStatsRow) o;
var ps = new PlayerStats(psr);
var keep = true;
var context = new ExpressionContext();
IGenericExpression<bool> ige;
if (!String.IsNullOrWhiteSpace(_yearsProVal))
{
ige = context.CompileGeneric<bool>(psr.YearsPro.ToString() + _yearsProOp + _yearsProVal);
if (ige.Evaluate() == false)
{
return false;
}
}
if (!String.IsNullOrWhiteSpace(_yobVal))
{
context = new ExpressionContext();
ige = context.CompileGeneric<bool>(psr.YearOfBirth.ToString() + _yobOp + _yobVal);
if (ige.Evaluate() == false)
{
return false;
}
}
if (!String.IsNullOrWhiteSpace(_heightVal))
{
var metricHeight = MainWindow.IsImperial
? PlayerStatsRow.ConvertImperialHeightToMetric(_heightVal)
: Convert.ToDouble(_heightVal);
context = new ExpressionContext();
ige = context.CompileGeneric<bool>(psr.Height.ToString() + _heightOp + metricHeight.ToString());
if (ige.Evaluate() == false)
{
return false;
}
}
if (!String.IsNullOrWhiteSpace(_weightVal))
{
var imperialWeight = MainWindow.IsImperial
? Convert.ToDouble(_weightVal)
: PlayerStatsRow.ConvertMetricWeightToImperial(_weightVal);
context = new ExpressionContext();
ige = context.CompileGeneric<bool>(psr.Weight.ToString() + _weightOp + imperialWeight.ToString());
if (ige.Evaluate() == false)
{
return false;
}
}
if (!String.IsNullOrWhiteSpace(_contractYearsLeftVal))
{
context = new ExpressionContext();
ige =
context.CompileGeneric<bool>(
(chkExcludeOption.IsChecked.GetValueOrDefault()
? psr.ContractYearsMinusOption.ToString()
: psr.ContractYears.ToString()) + _contractYearsLeftOp + _contractYearsLeftVal);
if (ige.Evaluate() == false)
{
return false;
}
}
foreach (var contractYear in _contractYears)
{
var parts = contractYear.Split(' ');
ige =
context.CompileGeneric<bool>(
psr.GetType().GetProperty("ContractY" + parts[1]).GetValue(psr, null) + parts[2] + parts[3]);
keep = ige.Evaluate();
if (!keep)
{
return false;
}
}
var stopped = false;
Parallel.ForEach(
_totalsFilters,
(item, loopState) =>
{
var parts = item.Split(' ');
parts[0] = parts[0].Replace("3P", "TP");
parts[0] = parts[0].Replace("TO", "TOS");
context = new ExpressionContext();
ige =
context.CompileGeneric<bool>(psr.GetType().GetProperty(parts[0]).GetValue(psr, null) + parts[1] + parts[2]);
keep = ige.Evaluate();
if (!keep)
{
stopped = true;
loopState.Stop();
}
});
if (!keep || stopped)
//.........这里部分代码省略.........