private void Render(RenderExpression source, CSharpRenderingContext context)
{
if (source.Expression.Children.Count == 0)
{
return;
}
if (source.DocumentLocation != null)
{
using (context.Writer.BuildLinePragma(source.DocumentLocation))
using (context.Writer.NoIndent())
{
var paddingString = BuildAssignmentOffsetPadding(source.Padding);
context.Writer
.Write(paddingString)
.WriteStartAssignment(DesignTimeVariable);
using (context.Writer.BuildCodeMapping(source.DocumentLocation))
{
context.Render(source.Expression.Children);
}
context.Writer.WriteLine(";");
}
}
else
{
context.Writer.WriteStartAssignment(DesignTimeVariable);
context.Render(source.Expression.Children);
context.Writer.WriteLine(";");
}
}
private static void Render(RenderExpression source, CSharpRenderingContext context)
{
IDisposable linePragmaScope = null;
if (source.DocumentLocation != null)
{
linePragmaScope = context.Writer.BuildLinePragma(source.DocumentLocation);
}
var renderingConventions = context.GetRenderingConventions();
renderingConventions.StartWriteMethod();
context.Render(source.Expression.Children);
context.Writer.WriteEndMethodInvocation();
linePragmaScope?.Dispose();
}
public static RenderAction RenderStringCompare(Expression expression, RenderExpression render, out string renderedExpression)
{
renderedExpression = null;
var exp = expression as MethodCallExpression;
if (exp == null || exp.Method != StandardResolvers.StringCompareMethodInfo)
return RenderAction.None;
string left;
string right;
if (RenderAction.Fail == render(exp.Arguments[0], render, out left) ||
RenderAction.Fail == render(exp.Arguments[1], render, out right))
return RenderAction.Fail;
renderedExpression = string.Format("{0}.localeCompare({1})", left, right);
return RenderAction.Rendered;
}
public static RenderAction RenderBindingGetValue(Expression expression, RenderExpression render, out string renderedExpression)
{
renderedExpression = null;
var exp = expression as MethodCallExpression;
if (exp == null || !StandardResolvers.IsBindingGetValueMethod(exp.Method))
return RenderAction.None;
// TODO
string arg;
string obj;
if (RenderAction.Fail == render(exp.Object, render, out obj) ||
RenderAction.Fail == render(exp.Arguments[0], render, out arg))
return RenderAction.Fail;
renderedExpression = string.Format("({0})({1})", obj, arg);
return RenderAction.Rendered;
}
public static RenderAction IsMetadataDeclarationForMethod(Expression expression, RenderExpression render, out string renderedExpression)
{
renderedExpression = null;
var exp = expression as MethodCallExpression;
if (exp == null || !StandardResolvers.IsBindingGetValueMethod(exp.Method))
return RenderAction.None;
// TODO
string arg;
string name; // this is kloooge...fix it soon
if (RenderAction.Fail == render(exp.Arguments[0], render, out arg) ||
RenderAction.Fail == render(exp.Object, render, out name))
return RenderAction.Fail;
renderedExpression = string.Format("({0}).__md.{1}", arg, name);
return RenderAction.Rendered;
}