|
public static ExpressionValueAsCode ( ExpressionToCodeConfiguration config, |
||
| config | ExpressionToCodeConfiguration | |
| expression | ||
| return | string | |
static string OutermostValue(ExpressionToCodeConfiguration config, StringifiedExpression node)
{
if (node.OptionalValue != null)
{
return(ObjectToCodeImpl.ExpressionValueAsCode(config, node.OptionalValue, 10));
}
foreach (var kid in node.Children)
{
if (!kid.IsConceptualChild)
{
var value = OutermostValue(config, kid);
if (value != null)
{
return(value);
}
}
}
foreach (var kid in node.Children)
{
if (kid.IsConceptualChild)
{
var value = OutermostValue(config, kid);
if (value != null)
{
return(value);
}
}
}
return(null);
}
static void AppendTo(
ExpressionToCodeConfiguration config,
StringBuilder sb,
List <SubExpressionInfo> nodeInfos,
StringifiedExpression node,
ref bool ignoreInitialSpace,
bool showTopExpressionValue)
{
if (node.Text != null)
{
var trimmedText = ignoreInitialSpace ? node.Text.TrimStart() : node.Text;
var pos0 = sb.Length;
sb.Append(trimmedText);
ignoreInitialSpace = node.Text.Any() && ExpressionToCode.ShouldIgnoreSpaceAfter(node.Text[node.Text.Length - 1]);
if (showTopExpressionValue)
{
var valueString = node.OptionalValue == null ? null : ObjectToCodeImpl.ExpressionValueAsCode(config, node.OptionalValue, 0);
if (valueString != null)
{
nodeInfos.Add(new SubExpressionInfo {
Location = pos0 + trimmedText.Length / 2, Value = valueString
});
}
}
}
foreach (var kid in node.Children)
{
AppendTo(config, sb, nodeInfos, kid, ref ignoreInitialSpace, showTopExpressionValue || kid.IsConceptualChild);
}
}
static void FindSubExpressionValues(
ExpressionToCodeConfiguration config,
StringifiedExpression node,
StringifiedExpression subExprNode,
List <SubExpressionValue> subExpressionValues,
bool outerValueIsAssertionFailure)
{
if (!outerValueIsAssertionFailure && node.OptionalValue != null)
{
var sb = new StringBuilder();
var ignoreInitialSpace = true;
var valueString = ObjectToCodeImpl.ExpressionValueAsCode(config, node.OptionalValue, 10);
AppendNodeToStringBuilder(sb, subExprNode, ref ignoreInitialSpace);
var maxSize = Math.Max(40, config.Value.MaximumValueLength ?? 200);
var subExprString = sb.Length <= maxSize
? sb.ToString()
: sb.ToString(0, maxSize / 2 - 1) + " … " + sb.ToString(sb.Length - (maxSize / 2 - 1), maxSize / 2 - 1);
// ReSharper disable once ReplaceWithStringIsNullOrEmpty - for nullability analysis
if (valueString != null && valueString != "")
{
subExpressionValues.Add(new SubExpressionValue {
SubExpression = subExprString, ValueAsString = valueString
});
}
}
foreach (var kid in node.Children)
{
if (!kid.IsConceptualChild)
{
FindSubExpressionValues(config, kid, subExprNode, subExpressionValues, outerValueIsAssertionFailure);
}
}
foreach (var kid in node.Children)
{
if (kid.IsConceptualChild)
{
FindSubExpressionValues(config, kid, kid, subExpressionValues, false);
}
}
}
static void FindSubExpressionValues(
ExpressionToCodeConfiguration config,
StringifiedExpression node,
StringifiedExpression subExprNode,
List <SubExpressionValue> subExpressionValues,
bool hideOutermostValue)
{
if (!hideOutermostValue && node.OptionalValue != null)
{
var sb = new StringBuilder();
var ignoreInitialSpace = true;
var valueString = ObjectToCodeImpl.ExpressionValueAsCode(config, node.OptionalValue, 10);
AppendNodeToStringBuilder(sb, subExprNode, ref ignoreInitialSpace);
var maxSize = 80;
var subExprString = sb.Length <= maxSize
? sb.ToString()
: sb.ToString(0, maxSize / 2 - 1) + " … " + sb.ToString(sb.Length - (maxSize / 2 - 1), maxSize / 2 - 1);
if (!string.IsNullOrEmpty(valueString))
{
subExpressionValues.Add(new SubExpressionValue {
SubExpression = subExprString, ValueAsString = valueString
});
}
}
foreach (var kid in node.Children)
{
if (kid.IsConceptualChild)
{
FindSubExpressionValues(config, kid, kid, subExpressionValues, false);
}
}
foreach (var kid in node.Children)
{
if (!kid.IsConceptualChild)
{
FindSubExpressionValues(config, kid, subExprNode, subExpressionValues, hideOutermostValue);
}
}
}
