private TemplateElement CreateTag(Match match)
{
Group param = match.Groups["param"];
string name = match.Groups["name"].Value;
bool closed = false;
TemplateElementTypes type = TemplateElementTypes.Tag;
name = name.ToLower();
switch (name)
{
case "if":
type = TemplateElementTypes.IfExpression;
break;
case "else":
if (SourceTemplate.IndexOf("if ", param.Index, param.Length, StringComparison.OrdinalIgnoreCase) == param.Index)
{
type = TemplateElementTypes.ElseIfExpression;
}
else
{
type = TemplateElementTypes.ElseExpression;
}
break;
case "load":
type = TemplateElementTypes.LoadExpression;
break;
//case "pre-include":
// type = TemplateElementTypes.PreIncludeExpression;
// break;
case "loop":
type = TemplateElementTypes.LoopExpression;
break;
case "ajaxpanel":
type = TemplateElementTypes.AjaxPanel;
break;
}
closed = match.Groups["close"].Success ||
type == TemplateElementTypes.ElseExpression ||
type == TemplateElementTypes.ElseIfExpression ||
type == TemplateElementTypes.LoadExpression;
//|| type == TemplateElementTypes.PreIncludeExpression;
Hashtable items = new Hashtable(2);
items.Add(KEY_NAME, name);
items.Add(KEY_CLOSED, closed);
int index = match.Index + match.Length;
int contentLength = closed ? match.Length : SourceTemplate.Length - index;
if (closed)
{
items.Add("END", index);
}
TemplateElement result = new TemplateElement(this.Document, type, index, contentLength, items);
if (type == TemplateElementTypes.IfExpression || type == TemplateElementTypes.ElseIfExpression)
{
result.ChildNodes.Insert(0, CreateConditionExpression(param, type == TemplateElementTypes.ElseIfExpression));
}
else if (type == TemplateElementTypes.LoopExpression)
{
result.ChildNodes.Insert(0, CreateLoopExpressionParam(param));
}
else
{
result.ChildNodes.Insert(0, CreateAttributeList(param));
}
return(result);
}
private void ParseTemplateTag(int index, int length)
{
int tagBegin = SourceTemplate.IndexOf(TAG_BEGIN, index, length);
if (tagBegin >= 0)
{
ParseTemplateCode(index, tagBegin - index, true, false);
length = length - (tagBegin - index);
index = tagBegin;
Match match = null;
if ((match = TemplateTagBeginRegex.Match(SourceTemplate, index, length)).Success)
{
TemplateElement tag = CreateTag(match);
ChildNodes.Add(tag);
//if (tag.Type == TemplateElementTypes.PreIncludeExpression)
//{
// if (tag.ChildNodes[0].ChildNodes.Count >= 1)
// {
// TemplateElement element = tag.ChildNodes[0].ChildNodes[0];
// if (element.ChildNodes[0].Type == TemplateElementTypes.Literal)
// {
// string path = element.ChildNodes[0].Text;
// if (path.StartsWith("/") == false && path.StartsWith("~/") == false)
// {
// path = this.Document.TemplateFile.Owner.VirtualPath + path;
// }
// path = HttpContext.Current.Server.MapPath(path);
// if (File.Exists(path))
// {
// string content = File.ReadAllText(path);
// TemplateElement doc = CreateDocument(content, null);
// tag.ChildNodes.Add(doc);
// this.Document.TemplateFile.AddWatcher(path);
// }
// }
// }
//}
if (tag.Items.Contains("END") == false)
{
throw new TemplateTagNotCloseException(tag.Items["name"].ToString(), TemplateFile.FilePath, SourceTemplate, index);
}
int tagEndIndex = (int)tag.Items["END"];
if (tagEndIndex > 0)
{
int leavingLength = SourceTemplate.Length - tagEndIndex;
if (leavingLength > 0)
{
ParseTemplateTag(tagEndIndex, leavingLength);
}
}
}
else if ((match = TemplateTagEndRegex.Match(SourceTemplate, index, length)).Success)
{
if ((Type == TemplateElementTypes.Tag || Type == TemplateElementTypes.IfExpression || Type == TemplateElementTypes.LoopExpression || Type == TemplateElementTypes.AjaxPanel) &&
StringUtil.EqualsIgnoreCase(match.Groups["name"].Value, (string)Items[KEY_NAME]))
{
Length = match.Index - Index;
Items["END"] = match.Index + match.Length;
}
else
{
ChildNodes.Add(CreateLiteral(match.Index, match.Length));
int tagEnd = match.Index + match.Length;
ParseTemplateTag(tagEnd, length - (tagEnd - index));
}
}
else
{
ChildNodes.Add(CreateLiteral(tagBegin, TAG_BEGIN.Length));
ParseTemplateTag(tagBegin + TAG_BEGIN.Length, length - TAG_BEGIN.Length);
}
}
else
{
ParseTemplateCode(index, length, true, false);
}
}
