/// <summary>CTor.</summary>
public TemplateSegmentCollection(List<TemplateSegment> segments)
{
this.segments = segments;
this.RootSegment = segments[0];
this.indexedSegmentNames = new Dictionary<string, int>();
for (int i = 0; i < this.segments.Count; i++)
this.indexedSegmentNames[this.segments[i].Id] = i;
}
private void ParseAndGenerateSegment(StreamWriter output, TemplateSegment segment, ITemplateInputComponent component)
{
var orderedSegmentParts = segment.Parse();
foreach (SegmentPart part in orderedSegmentParts)
{
if (part.IsExpression)
{
string expressionResult = EvalExpression(component, part.Body);
output.Write(expressionResult);
}
else
{
output.Write(part.Body);
}
}
}
/// <summary>Generates code segment for the given input compoments if it matches specified criteria.</summary>
private void Generate(StreamWriter output, TemplateSegment segment, ITemplateInputComponent component, params Predicate<ITemplateInputComponent>[] componentCriteria)
{
if (component == null)
return;
if (segment == null)
throw new ArgumentNullException("segment", "Segment may not be null.");
bool shouldGenerate = ArrayUtil.IsNullOrEmpty(componentCriteria) || MatchesCriteria(component, componentCriteria);
if (!shouldGenerate)
return;
ParseAndGenerateSegment(output, segment, component);
}
private string ParseAndGenerateSegment(TemplateSegment segment, ITemplateInputComponent component)
{
StringBuilder output = new StringBuilder();
var orderedSegmentParts = segment.Parse();
foreach (SegmentPart part in orderedSegmentParts)
{
if (part.IsExpression)
{
string expressionResult = EvalExpression(component, part.Body);
output.Append(expressionResult);
}
else
{
output.Append(part.Body);
}
}
return output.ToString();
}
private void ReadTemplateSegments(DataSet ds)
{
List<TemplateSegment> segments = new List<TemplateSegment>();
foreach (DataRow rowSegment in ds.Tables["TemplateSegment"].Rows)
{
TemplateSegment segment = new TemplateSegment()
{
Id = Convert.ToString(rowSegment["Id"], CultureInfo.InvariantCulture),
Body = Convert.ToString(rowSegment["TemplateSegment_Text"], CultureInfo.CurrentCulture)
};
segments.Add(segment);
}
this.segments = new TemplateSegmentCollection(segments);
}