private void ProcessTag(ParsedTag tag, Queue <string> contentTokens, StringBuilder sb)
{
var profiler = MiniProfiler.Current;
using (profiler.Step("Process tag " + tag.TagName))
{
var handlers = TagProvider.GetHandlers();
if (handlers.ContainsKey(tag.TagName))
{
ITagHandler handler = handlers[tag.TagName];
if (handler != null)
{
string contentsFlat = string.Empty;
foreach (string s in contentTokens)
{
contentsFlat += s;
}
using (profiler.Step("Handler Processing: " + tag.TagName))
{
handler.Process(sb, this.MTApp, this.ViewBag, this.TagProvider, tag, contentsFlat);
}
}
}
}
}
private ParsedTag ParseTag(string token, bool selfClosed)
{
ParsedTag t = new ParsedTag();
t.TagName = ParseTagName(token);
t.IsSelfClosed = selfClosed;
ParseTagAttributes(t, token);
return(t);
}
private void ParseTagAttributes(ParsedTag t, string input)
{
string tagname = ParseTagName(input);
string temp = input.TrimStart('<');
temp = temp.TrimEnd('>');
temp = temp.TrimEnd('/');
//Trim off tag name
temp = temp.Substring(tagname.Length, temp.Length - (tagname.Length));
temp = temp.Trim();
bool isParsingAttribute = false;
bool isParsingAttributeValue = false;
TempAttr currentAttribute = null;
// loop through all characters, splitting of attributes
char[] characters = temp.ToCharArray();
for (int i = 0; i < temp.Length; i++)
{
char current = temp[i];
if (isParsingAttribute)
{
if (isParsingAttributeValue)
{
// append the current character
currentAttribute.Value += current;
// check to see if we're done with the attribute
if (currentAttribute.Value.Length >= 2)
{
if (currentAttribute.Value.EndsWith("\""))
{
isParsingAttributeValue = false;
isParsingAttribute = false;
currentAttribute.Value = currentAttribute.Value.TrimStart('"');
currentAttribute.Value = currentAttribute.Value.TrimEnd('"');
// Add or overwrite value
t.SetSafeAttribute(currentAttribute.Name, currentAttribute.Value);
currentAttribute = null;
}
}
}
else
{
// we're not parsing the value yet so check for "="
if (current == '=')
{
// skip this charater but enable attribute value parsing;
isParsingAttributeValue = true;
}
else
{
currentAttribute.Name += current;
}
}
}
else
{
// not parsing right now, check to see if we need to start
if (!char.IsWhiteSpace(current))
{
// not white space so let's start our attribute name
currentAttribute = new TempAttr(current.ToString(), "");
isParsingAttribute = true;
}
}
}
}
private void ProcessTemplate(StringBuilder sb, Queue <string> tokens)
{
var profiler = MiniProfiler.Current;
using (profiler.Step("Process Template"))
{
string tagStarter = "<";
bool parsingTag = false;
Queue <string> subqueue = new Queue <string>();
string startToken = string.Empty;
while (tokens.Count > 0)
{
string currentToken = tokens.Dequeue();
if (parsingTag)
{
if (IsClosingTag(currentToken, ParseTagName(startToken)))
{
// Yes, this tag closed the starting tag
ParsedTag t = ParseTag(startToken, false);
ProcessTag(t, subqueue, sb);
// reset everything since the tag is parsed below
parsingTag = false;
startToken = "";
subqueue = new Queue <string>();
}
else
{
// Nope, no closing yet, just enqueue the token
subqueue.Enqueue(currentToken);
}
}
else
{
// we're not parsing, check for a tag start
if (currentToken.StartsWith(tagStarter))
{
if (IsAcceptedTag(currentToken))
{
parsingTag = true;
if (IsSelfClosed(currentToken))
{
// Tag is self closed, just parse it
ParsedTag t2 = ParseTag(currentToken, true);
ProcessTag(t2, subqueue, sb);
parsingTag = false;
}
else
{
// store the starting token for later parsing
startToken = currentToken;
}
}
else
{
// not an accepted tag, just dump the sucker
sb.Append(currentToken);
}
}
else
{
// not starting a tag, just dump the output
sb.Append(currentToken);
}
}
}
if (parsingTag)
{
if (startToken.Length > 0)
{
sb.Append(startToken);
}
}
// if the subque has items in it because we didn't find a closing tag, dump them
if (subqueue.Count > 0)
{
while (subqueue.Count > 0)
{
string subqueuetoken = subqueue.Dequeue();
sb.Append(subqueuetoken);
}
}
} // End Profiler wrapper
}
private void ParseTagAttributes(ParsedTag t, string input)
{
string tagname = ParseTagName(input);
string temp = input.TrimStart('<');
temp = temp.TrimEnd('>');
temp = temp.TrimEnd('/');
//Trim off tag name
temp = temp.Substring(tagname.Length, temp.Length - (tagname.Length));
temp = temp.Trim();
bool isParsingAttribute = false;
bool isParsingAttributeValue = false;
TempAttr currentAttribute = null;
// loop through all characters, splitting of attributes
char[] characters = temp.ToCharArray();
for (int i = 0; i < temp.Length; i++)
{
char current = temp[i];
if (isParsingAttribute)
{
if (isParsingAttributeValue)
{
// append the current character
currentAttribute.Value += current;
// check to see if we're done with the attribute
if (currentAttribute.Value.Length >= 2)
{
if (currentAttribute.Value.EndsWith("\""))
{
isParsingAttributeValue = false;
isParsingAttribute = false;
currentAttribute.Value = currentAttribute.Value.TrimStart('"');
currentAttribute.Value = currentAttribute.Value.TrimEnd('"');
// Add or overwrite value
t.SetSafeAttribute(currentAttribute.Name, currentAttribute.Value);
currentAttribute = null;
}
}
}
else
{
// we're not parsing the value yet so check for "="
if (current == '=')
{
// skip this charater but enable attribute value parsing;
isParsingAttributeValue = true;
}
else
{
currentAttribute.Name += current;
}
}
}
else
{
// not parsing right now, check to see if we need to start
if (!char.IsWhiteSpace(current))
{
// not white space so let's start our attribute name
currentAttribute = new TempAttr(current.ToString(), "");
isParsingAttribute = true;
}
}
}
}
private ParsedTag ParseTag(string token, bool selfClosed)
{
ParsedTag t = new ParsedTag();
t.TagName = ParseTagName(token);
t.IsSelfClosed = selfClosed;
ParseTagAttributes(t, token);
return t;
}
private void ProcessTag(ParsedTag tag, Queue<string> contentTokens, StringBuilder sb)
{
var profiler = MiniProfiler.Current;
using (profiler.Step("Process tag " + tag.TagName))
{
var handlers = TagProvider.GetHandlers();
if (handlers.ContainsKey(tag.TagName))
{
ITagHandler handler = handlers[tag.TagName];
if (handler != null)
{
string contentsFlat = string.Empty;
foreach (string s in contentTokens)
{
contentsFlat += s;
}
using (profiler.Step("Handler Processing: " + tag.TagName))
{
handler.Process(sb, this.MTApp, this.ViewBag, this.TagProvider, tag, contentsFlat);
}
}
}
}
}
private void ProcessTag(ParsedTag tag, Queue<string> contentTokens, List<ITemplateAction> actions)
{
var handlers = TagProvider.GetHandlers();
if (handlers.ContainsKey(tag.TagName))
{
ITagHandler handler = handlers[tag.TagName];
if (handler != null)
{
string contentsFlat = string.Empty;
foreach (string s in contentTokens)
{
contentsFlat += s;
}
handler.Process(actions, this.MTApp, this.TagProvider, tag, contentsFlat);
}
}
}
