/// <summary>
/// Parses a Angular comment directive
/// </summary>
/// <param name="commentText">Comment text</param>
/// <param name="directiveNameHandler">Directive name handler</param>
/// <param name="expressionHandler">Binding expression handler</param>
public static void ParseCommentDirective(string commentText, DirectiveNameDelegate directiveNameHandler,
ExpressionDelegate expressionHandler)
{
Match match = _ngCommentDirectiveRegex.Match(commentText);
if (match.Success)
{
var innerContext = new InnerMarkupParsingContext(commentText);
var context = new MarkupParsingContext(innerContext);
GroupCollection groups = match.Groups;
Group directiveNameGroup = groups["directiveName"];
int directiveNamePosition = directiveNameGroup.Index;
string originalDirectiveName = directiveNameGroup.Value;
string normalizedDirectiveName = NormalizeDirectiveName(originalDirectiveName);
innerContext.IncreasePosition(directiveNamePosition);
directiveNameHandler?.Invoke(context, originalDirectiveName, normalizedDirectiveName);
Group expressionGroup = groups["expression"];
if (expressionGroup.Success)
{
int expressionPosition = expressionGroup.Index;
string expression = expressionGroup.Value.Trim();
innerContext.IncreasePosition(expressionPosition - directiveNamePosition);
expressionHandler?.Invoke(context, expression);
}
}
}
/// <summary>
/// Parses a Angular class directive
/// </summary>
/// <param name="className">Class name</param>
/// <param name="directiveNameHandler">Directive name handler</param>
/// <param name="expressionHandler">Binding expression handler</param>
/// <param name="semicolonHandler">Semicolon handler</param>
public static void ParseClassDirective(string className, DirectiveNameDelegate directiveNameHandler,
ExpressionDelegate expressionHandler, SemicolonDelegate semicolonHandler)
{
MatchCollection matches = _ngClassDirectiveRegex.Matches(className);
int matchCount = matches.Count;
if (matchCount > 0)
{
var innerContext = new InnerMarkupParsingContext(className);
var context = new MarkupParsingContext(innerContext);
int currentPosition = 0;
for (int matchIndex = 0; matchIndex < matchCount; matchIndex++)
{
Match match = matches[matchIndex];
GroupCollection groups = match.Groups;
Group directiveNameGroup = groups["directiveName"];
int directiveNamePosition = directiveNameGroup.Index;
string originalDirectiveName = directiveNameGroup.Value;
string normalizedDirectiveName = NormalizeDirectiveName(originalDirectiveName);
innerContext.IncreasePosition(directiveNamePosition - currentPosition);
currentPosition = directiveNamePosition;
directiveNameHandler?.Invoke(context, originalDirectiveName, normalizedDirectiveName);
Group expressionGroup = groups["expression"];
if (expressionGroup.Success)
{
int expressionPosition = expressionGroup.Index;
string expression = expressionGroup.Value.Trim();
innerContext.IncreasePosition(expressionPosition - currentPosition);
currentPosition = expressionPosition;
expressionHandler?.Invoke(context, expression);
}
Group semicolonGroup = groups["semicolon"];
if (semicolonGroup.Success)
{
int semicolonPosition = semicolonGroup.Index;
innerContext.IncreasePosition(semicolonPosition - currentPosition);
currentPosition = semicolonPosition;
semicolonHandler?.Invoke(context);
}
}
}
}
