static MarkupExtensionInfo Parse(string text, int offset)
{
var info = new MarkupExtensionInfo();
string argumentName = null;
MarkupExtensionTokenizer tokenizer = new MarkupExtensionTokenizer(text);
MarkupExtensionToken token = null;
try {
token = tokenizer.NextToken();
while (token.Kind != MarkupExtensionTokenKind.EndOfFile) {
switch (token.Kind) {
case MarkupExtensionTokenKind.OpenBrace:
info.StartOffset = token.StartOffset + offset;
break;
case MarkupExtensionTokenKind.CloseBrace:
info.EndOffset = token.EndOffset + offset;
info.IsClosed = true;
break;
case MarkupExtensionTokenKind.TypeName:
info.ExtensionType = token.Value;
break;
case MarkupExtensionTokenKind.MemberName:
// if there is an open member without a value add the member name
if (argumentName != null)
info.TryAddNamedArgument(argumentName, ParseValue("", token.EndOffset + offset));
argumentName = token.Value;
break;
case MarkupExtensionTokenKind.String:
if (argumentName != null) {
info.TryAddNamedArgument(argumentName, ParseValue(token.Value, token.StartOffset + offset));
argumentName = null;
} else {
info.PositionalArguments.Add(ParseValue(token.Value, token.StartOffset + offset));
}
break;
}
token = tokenizer.NextToken();
}
} catch (MarkupExtensionParseException) {
// ignore parser errors
} finally {
if (token != null && argumentName != null)
info.TryAddNamedArgument(argumentName, ParseValue(token.Value, token.StartOffset + offset));
}
if (info.EndOffset == 0 && token != null) {
info.EndOffset = token.EndOffset + offset;
}
return info;
}
static MarkupExtensionInfo Parse(string text, int offset)
{
var info = new MarkupExtensionInfo();
string argumentName = null;
MarkupExtensionTokenizer tokenizer = new MarkupExtensionTokenizer(text);
MarkupExtensionToken token = null;
try {
token = tokenizer.NextToken();
while (token.Kind != MarkupExtensionTokenKind.EndOfFile)
{
switch (token.Kind)
{
case MarkupExtensionTokenKind.OpenBrace:
info.StartOffset = token.StartOffset + offset;
break;
case MarkupExtensionTokenKind.CloseBrace:
info.EndOffset = token.EndOffset + offset;
break;
case MarkupExtensionTokenKind.TypeName:
info.ExtensionType = token.Value;
break;
case MarkupExtensionTokenKind.MemberName:
// if there is an open member without a value add the member name
if (argumentName != null)
{
info.TryAddNamedArgument(argumentName, ParseValue("", token.EndOffset + offset));
}
argumentName = token.Value;
break;
case MarkupExtensionTokenKind.String:
if (argumentName != null)
{
info.TryAddNamedArgument(argumentName, ParseValue(token.Value, token.StartOffset + offset));
argumentName = null;
}
else
{
info.PositionalArguments.Add(ParseValue(token.Value, token.StartOffset + offset));
}
break;
}
token = tokenizer.NextToken();
}
} catch (MarkupExtensionParseException) {
// ignore parser errors
} finally {
if (token != null && argumentName != null)
{
info.TryAddNamedArgument(argumentName, ParseValue(token.Value, token.StartOffset + offset));
}
}
return(info);
}
