ircd: Add missing globular_imatch.

include/ircd/globular.h

@@ -42,20 +42,11 @@ struct ircd::globular_iequals
 /// than globular_equals. Case insensitive.
 struct ircd::globular_imatch
 {
-	string_view expr;
+	string_view a;
 
-	template<class A>
-	bool operator()(A&& a) const noexcept
-	{
-		const globular_iequals globular_iequals
-		{
-			expr, std::forward<A>(a)
-		};
+	bool operator()(const string_view &b) const noexcept;
 
-		return bool(globular_iequals);
-	}
-
-	globular_imatch(const string_view &expr = {})
-	:expr{expr}
+	globular_imatch(const string_view &expr)
+	:a{expr}
 	{}
 };

ircd/globular.cc

@@ -53,3 +53,35 @@ const noexcept
 
 	return iequals(a.substr(ap), b.substr(bp));
 }
+
+bool
+ircd::globular_imatch::operator()(const string_view &b)
+const noexcept
+{
+	size_t ap(0), bp(0);
+	while(ap < a.size() && bp < b.size())
+	{
+		const auto ca(tolower(a.at(ap))),  cb(tolower(b.at(bp)));
+		const auto globa(ca == '*');
+		const auto wilda(ca == '?');
+
+		if(!globa && !wilda && ca != cb)
+			return false;
+
+		if(globa && ap + 1 >= a.size())
+			break;
+
+		if(globa && cb == tolower(a.at(ap + 1)))
+			ap += 2;
+
+		if(!globa)
+			++ap;
+
+		++bp;
+	}
+
+	if(bp < b.size() && !a.empty() && a.back() == '*')
+		return true;
+
+	return iequals(a.substr(ap), b.substr(bp));
+}

modules/m_command.cc

@@ -446,7 +446,7 @@ command__read(const mutable_buffer &buf,
 
 		// for_each returns true if it didn't break from the loop, which means
 		// no match and skip actions for this room.
-		if(match.expr != "*")
+		if(match.a != "*")
 			if(room_tags.for_each(without_match))
 				return;