version 5.4.0

remove CORS default header from PIHTTPServer
fix several docs
fix PIMathVector::dot return type
add units directory with PIUnits facility

libs/main/units/piunits_base.cpp

@@ -0,0 +1,52 @@
+/*
+    PIP - Platform Independent Primitives
+    Unit conversions
+    Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "piunits_base.h"
+
+#include "piliterals_string.h"
+
+PIMap<int, PIUnits::Class::Internal::ClassBase *> PIUnits::Class::Internal::typeClasses;
+PIVector<PIUnits::Class::Internal::ClassBase *> PIUnits::Class::Internal::allTypeClasses;
+const PIString PIUnits::Class::Internal::unknown = "?"_a;
+
+
+PIString PIUnits::className(int type) {
+	auto * uc = Class::Internal::typeClasses.value(type);
+	if (!uc) return Class::Internal::unknown;
+	return uc->className();
+}
+
+
+PIString PIUnits::name(int type) {
+	auto * uc = Class::Internal::typeClasses.value(type);
+	if (!uc) return Class::Internal::unknown;
+	return uc->name(type);
+}
+
+
+PIString PIUnits::unit(int type) {
+	auto * uc = Class::Internal::typeClasses.value(type);
+	if (!uc) return Class::Internal::unknown;
+	return uc->unit(type);
+}
+
+
+PIVector<PIUnits::Class::Internal::ClassBase *> PIUnits::allClasses() {
+	return Class::Internal::allTypeClasses;
+}