private void AssertExpression(string expression, object expectedReturnValue)
{
var accessor = new PropertyAccessor(_project, _project.RootTargetCallStack);
string value = accessor.ExpandProperties("${" + expression + "}", Location.UnknownLocation);
string expectedStringValue = Convert.ToString(expectedReturnValue, CultureInfo.InvariantCulture);
(_project as ITargetLogger).Log(Level.Debug, "expression: " + expression);
(_project as ITargetLogger).Log(Level.Debug, "value: " + value + ", expected: " + expectedStringValue);
Assert.AreEqual(expectedStringValue, value, expression);
}
/// <summary>
/// Refills the buffer, running our input through
/// <see cref="M:PropertyDictionary.ExpandProperties(string, Location)" />.)
/// </summary>
private void ReplenishBuffer()
{
// Fill buffer from input.
bool isMoreInput = true;
int curCharInt;
while ((_buffer.Length < BUFFER_LENGTH) && isMoreInput)
{
curCharInt = base.Read();
if (curCharInt != -1)
{
_buffer.Append((char)curCharInt);
}
else
{
isMoreInput = false;
}
}
string bufferBeforeExpand = _buffer.ToString();
int lastExprStartIndex = bufferBeforeExpand.LastIndexOf("${");
int lastExprEndIndex = bufferBeforeExpand.LastIndexOf('}');
string bufferAfterExpand;
var propertyAccessor = new PropertyAccessor(this.Project, this.CallStack);
// Expand properties from input into buffer for output.
if (lastExprEndIndex < lastExprStartIndex)
{
// There's an unfinished expression - don't attempt to expand it yet. Perhaps it will all fit in the buffer next time around.
bufferAfterExpand = propertyAccessor.ExpandProperties(bufferBeforeExpand.Substring(0, lastExprStartIndex), Location);
bufferBeforeExpand = bufferBeforeExpand.Substring(lastExprStartIndex);
_buffer = new StringBuilder(bufferAfterExpand, Math.Max(BUFFER_LENGTH, bufferAfterExpand.Length + bufferBeforeExpand.Length));
_buffer.Append(bufferBeforeExpand);
}
else
{
// No partial expressions - keep it simple.
bufferAfterExpand = propertyAccessor.ExpandProperties(bufferBeforeExpand, Location);
_buffer = new StringBuilder(bufferAfterExpand, Math.Max(BUFFER_LENGTH, bufferAfterExpand.Length));
}
}