public void AddSeveralLiterals()
{
var builder = new ExpressionBuilder();
builder.AppendLiteral("hello");
builder.AppendLiteral("world");
Assert.AreEqual("\"helloworld\"", builder.ToCode());
}
public void CodeEndsUpConcatinated()
{
var builder = new ExpressionBuilder();
builder.AppendExpression("x");
builder.AppendExpression("y");
builder.AppendExpression("z");
Assert.AreEqual("string.Concat(x,y,z)", builder.ToCode());
}
internal static AttributeNode AddMethodCallingToAttributeValue(AttributeNode node, string method)
{
var snippets = new Snippets {new Snippet {Value = method + "("}};
snippets.AddRange(node.AsCodeInverted());
snippets.Add(new Snippet {Value= ")"});
var builder = new ExpressionBuilder();
builder.AppendExpression(snippets);
var listNodes=new List<Node> {new ExpressionNode(snippets)};
return new AttributeNode(node.Name, listNodes);
}
public static Snippets AsCodeInverted(this AttributeNode attr)
{
var expression = new ExpressionBuilder();
foreach (var node in attr.Nodes)
{
if (node is TextNode)
{
expression.AppendLiteral(((TextNode)node).Text);
}
else if (node is ExpressionNode)
{
expression.AppendExpression(((ExpressionNode)node).Code);
}
else if (node is EntityNode)
{
expression.AppendLiteral("&" + ((EntityNode)node).Name + ";");
}
}
return new Snippets(expression.ToCode());
}
public void TextIsEscaped()
{
var builder = new ExpressionBuilder();
builder.AppendLiteral("\"\\\t");
Assert.AreEqual("\"\\\"\\\\\\t\"", builder.ToCode());
}