public override string RenderTag(string line, TemplateReader reader, Dictionary<string, object> parameters, int patternIndex)
{
Match lineMatch = Regex.Match(line.Trim(), RegularExpressionPatterns[patternIndex]);
String condition = lineMatch.Groups["condition"].Value;
var interpreter = new Interpreter();
foreach (var element in parameters)
{
interpreter.SetVariable(element.Key, element.Value, element.Value.GetType());
}
var result = interpreter.Eval<bool>(condition);
if (result)
return renderer.RenderBlock(reader.ReadBlock());
reader.ReadBlock();
return "";
}
/// <summary>
/// If in child template collect blocks
/// If in parrent render blocks using child blocks
/// </summary>
/// <param name="line"></param>
/// <param name="reader"></param>
/// <param name="parameters"></param>
/// <param name="patternIndex"></param>
/// <returns></returns>
public override string RenderTag(string line, TemplateReader reader, Dictionary<string, object> parameters, int patternIndex)
{
Match lineMatch = Regex.Match(line.Trim(), RegularExpressionPatterns[patternIndex]);
String statment = lineMatch.Groups["statment"].Value;
if (!renderer.GetPlugin<ExtendsPlugin>().IsInParrent)
{
blocks.Add(statment, reader.ReadBlock());
return "";
}
StringBuilder renderedSource = new StringBuilder();
renderedSource.Append(renderer.RenderBlock(reader.ReadBlock()));
if (blocks.ContainsKey(statment))
{
renderedSource.Append(renderer.RenderBlock(blocks[statment]));
}
return renderedSource.ToString();
}
private string eachParser(string statment, TemplateReader reader, Dictionary<string, object> parameters)
{
string variable = @"([a-zA-Z_][a-zA-Z0-9_]*)([\.]([a-zA-Z_][a-zA-Z0-9_]*))*";
string indexPattern = "(,[ ]*(?<index>" + variable + "))";
string iteratorPattern = "(?<iterator>" + variable + ")";
string collectionPattern="(?<collection>" + variable + ")";
string optional = "?";
string regex = iteratorPattern + "[ ]*" + indexPattern + optional + "[ ]+in[ ]+" + collectionPattern;
Match m = Regex.Match(statment, regex);
StringBuilder builder = new StringBuilder();
if (m.Success)
{
String indexName = null;
bool isWithIndex = m.Groups["index"].Success;
if (isWithIndex)
indexName = m.Groups["index"].Value;
var iteratorName = m.Groups["iterator"].Value;
var collectionName = m.Groups["collection"].Value;
string codeBlock = reader.ReadBlock();
if (codeBlock.Length == 0)
{
return "";
}
int index = 0;
dynamic collection = parameters[collectionName];
if (isWithIndex)
parameters.Add(indexName, 0);
foreach (var it in collection)
{
parameters.Add(iteratorName, it);
if (isWithIndex)
parameters[indexName] = index;
index++;
builder.Append(renderer.RenderBlock(codeBlock));
parameters.Remove(iteratorName);
}
if (isWithIndex)
parameters.Remove(indexName);
}
else
{
throw new TemplateException("Can't parse each statment.");
}
return builder.ToString();
}
private string render(String line, TemplateReader reader, String pattern, Dictionary<string, object> parameters, bool renderWithTextBlock = false)
{
Match lineMatch = Regex.Match(line.Trim(), pattern);
String tag = "div";
String text = "";
List<string> attributes = new List<string>();
int level = reader.Level;
if (lineMatch.Groups["tag"].Success)
{
tag = lineMatch.Groups["tag"].Value;
}
if (lineMatch.Groups["text"].Success)
{
text = lineMatch.Groups["text"].Value;
}
StringBuilder textBuilder = new StringBuilder();
if (text.Length > 0)
{
textBuilder.Append(TemplateRendererUtils.CreateIndent(renderer.LineIndent + 1));
textBuilder.Append(text);
textBuilder.Append("\n");
}
renderer.LineIndent++;
String sourceBlock;
if (renderWithTextBlock||textBlockTags.Contains(tag))
{
sourceBlock = reader.ReadBlockWithIndent(renderer.LineIndent);
sourceBlock = sourceBlock.TrimEnd('\n');
if (sourceBlock.Length > 0)
{
textBuilder.Append(sourceBlock);
textBuilder.Append("\n");
}
}
else
{
sourceBlock=reader.ReadBlock();
textBuilder.Append(renderer.RenderBlock(sourceBlock));
}
renderer.LineIndent--;
if (lineMatch.Groups["id"].Success)
{
attributes.Add("id=\"" + lineMatch.Groups["id"].Value + "\"");
}
if (lineMatch.Groups["class"].Success)
{
attributes.Add("class=\"" + lineMatch.Groups["class"].Value + "\"");
}
foreach (Capture cap in lineMatch.Groups["attr"].Captures)
{
attributes.Add(cap.Value.Trim());
}
return generateTag(tag, attributes, textBuilder.ToString());
}