/// <summary>
/// Creates a new sub-context for writing, using a new scrawler.
/// </summary>
/// <param name="scrawler">The new scrawler to use for writing.</param>
/// <param name="parentContext">The parent context, to birth this context from.</param>
public SubWriteContext(Scrawler scrawler, ObjectWriteContext parentContext)
: base(scrawler, parentContext.Stringifier)
{
ParentContext = parentContext;
NullSymbol = parentContext.NullSymbol;
LineTerminator = parentContext.LineTerminator;
}
public void Write(ObjectWriteContext context)
{
foreach (var item in Items)
{
context.Write("- ");
context.Write(item);
context.NewLine();
}
}
public void Write(ObjectWriteContext context)
{
var properties = ModelType.GetProperties();
var longestPropertyName = properties.Max(p => p.Name.Length);
foreach (var property in properties)
{
context.Write($"{property.Name.PadRight(longestPropertyName)} : ");
context.WriteObject(property.GetValue(Model));
context.NewLine();
}
}
public void WriteObjectWithNullRef_WritesNullSymbol()
{
var scrawlerMock = new Mock <Scrawler>();
var stringifier = new NullStringifier();
var context = new ObjectWriteContext(scrawlerMock.Object, stringifier);
scrawlerMock.Setup(s => s.Write(context.NullSymbol))
.Verifiable();
context.WriteObject(null);
scrawlerMock.Verify();
}
public void WriteVerticalBorder(ObjectWriteContext context, int paddingLeft, int paddingRight)
{
if (paddingLeft > 0)
{
context.Write(new string(' ', paddingLeft));
}
if (Bordered)
{
context.Write("|");
}
if (paddingRight > 0)
{
context.Write(new string(' ', paddingRight));
}
}
private void WriteTopCap(ObjectWriteContext context, int longestLineLength)
{
for (var i = 0; i < Margin.Top; i++)
{
context.NewLine();
}
WriteHorizontalBorder(context, longestLineLength);
for (var i = 0; i < Padding.Top; i++)
{
context.NewLine();
WriteVerticalBorder(context, Margin.Left, Padding.Left);
context.Write(new string(' ', longestLineLength));
WriteVerticalBorder(context, Padding.Right, Margin.Right);
}
}
private void WriteBottomCap(ObjectWriteContext context, int contentLength)
{
for (var i = 0; i < Padding.Bottom; i++)
{
WriteVerticalBorder(context, Margin.Left, Padding.Left);
context.Write(new string(' ', contentLength));
WriteVerticalBorder(context, Padding.Right, Margin.Right);
context.NewLine();
}
WriteHorizontalBorder(context, contentLength);
for (var i = 0; i < Margin.Bottom; i++)
{
context.NewLine();
}
}
private void WriteHorizontalBorder(ObjectWriteContext context, int contentLength)
{
if (Bordered)
{
if (Margin.Left > 0)
{
context.Write(new string(' ', Margin.Left));
}
context.Write("+");
context.Write(new string('-', contentLength + Padding.Left + Padding.Right));
context.Write("+");
if (Margin.Right > 0)
{
context.Write(new string(' ', Margin.Right));
}
}
}
public void WriteObject_WritesToScrawler()
{
var scrawlerMock = new Mock <Scrawler>();
var stringifier = new NullStringifier();
var context = new ObjectWriteContext(scrawlerMock.Object, stringifier);
// We could check s.Write(string.Empty),
// but that's not the point of this test.
scrawlerMock.Setup(s => s.Write(It.IsAny <string>()))
.Verifiable();
var tester = new
{
Name = "Earl",
Occupation = "Tester",
Age = (DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).Days / 365,
Assignment = "Getting written"
};
context.WriteObject(tester);
scrawlerMock.Verify();
}
/// <summary>
/// Writes a definition list from the provided model to the context.
/// </summary>
/// <typeparam name="TModel">The type of the model.</typeparam>
/// <param name="writeContext">The context to write the list to.</param>
/// <param name="model">The model to create a list from.</param>
public static void WriteDefinitionList(this ObjectWriteContext writeContext, object model)
{
var definitionList = new DefinitionList(model);
definitionList.Write(writeContext);
}
/// <summary> /// Creates a new context with the same properties as the current context, but with the provided sub-scrawler. /// </summary> /// <param name="context">The context to create a sub context from.</param> /// <param name="subscrawler">The scrawler to use in the sub context.</param> public static SubWriteContext CreateSubContext(this ObjectWriteContext context, Scrawler subscrawler) => new SubWriteContext(subscrawler, context);
public void Write(ObjectWriteContext context)
{
var buildScrawler = new ProxyScrawler();
var proxiedContext = context.CreateSubContext(buildScrawler);
var isTerminated = false;
var isLineTerminator = false;
var terminatorChars = proxiedContext.LineTerminator.ToCharArray();
var lineList = new LineList(32);
string currentLine = string.Empty;
// Setup on write method for the proxy.
buildScrawler.OnWrite(s =>
{
var len = s.Length;
if (len == 0)
{
return;
}
isLineTerminator = s.Equals(proxiedContext.LineTerminator, StringComparison.Ordinal);
if (isLineTerminator)
{
lineList.AddLine(currentLine);
currentLine = string.Empty;
return;
}
isTerminated = isLineTerminator || s.EndsWith(proxiedContext.LineTerminator);
if (isTerminated)
{
lineList.AddLine(currentLine.TrimEnd(terminatorChars));
currentLine = string.Empty;
return;
}
currentLine += s;
});
// Write to the proxied context.
InnerComponent.Write(proxiedContext);
// Make all lines into a "block".
// | abc abc abc |
// | abc abc |
// | abc ab abc |
lineList.RightPad(lineList.LongestLineLength);
// Write top border
WriteTopCap(context, lineList.LongestLineLength);
context.NewLine();
foreach (var line in lineList)
{
WriteVerticalBorder(context, Margin.Left, Padding.Left);
context.Write(line);
WriteVerticalBorder(context, Padding.Right, Margin.Right);
context.NewLine();
}
WriteBottomCap(context, lineList.LongestLineLength);
context.NewLine();
}