add files

libs/main/http_common/piserverendpoint.cpp

@@ -0,0 +1,125 @@
+#include "piliterals_string.h"
+#include "piserverendpoint_p.h"
+
+
+PIStringList PIHTTP::ServerEndpoint::splitPath(const PIString & path) {
+	auto ret = path.split("/");
+	ret.removeAll({});
+	return ret;
+}
+
+
+PIHTTP::ServerEndpoint::PathElement::PathElement(const PIString & reg) {
+	source = reg;
+	if (reg == "*"_a) {
+		type = Type::AnyOne;
+	} else if (reg == "**"_a) {
+		type = Type::AnyMany;
+	} else if (reg.contains('*')) {
+		type  = Type::AnyPart;
+		parts = reg.split('*');
+	} else if (reg.contains('{')) {
+		type    = Type::Arguments;
+		int ind = 0, eind = 0, pind = 0;
+		for (;;) {
+			ind = reg.find('{', ind);
+			if (ind < 0) break;
+			eind = reg.find('}', ind + 1);
+			if (eind < 0) break;
+			arguments.insert(arguments.size_s(), reg.mid(ind + 1, eind - ind - 1));
+			if (ind == 0)
+				parts << PIString();
+			else {
+				if (ind > pind)
+					parts << reg.mid(pind, ind - pind);
+				else if (parts.isNotEmpty()) {
+					piCout << "[PIHTTP::ServerEndpoint] Warning: sequential arguments, ignoring this path!";
+					type = Type::Invalid;
+					return;
+				}
+			}
+			ind = pind = eind + 1;
+		}
+		if (eind < reg.size_s() - 1) parts << reg.mid(eind + 1);
+	}
+}
+
+
+bool PIHTTP::ServerEndpoint::PathElement::match(const PIString & in, PIMap<PIString, PIString> & ext_args) const {
+	// piCout << "match" << source << "with" << in;
+	if (type == Type::AnyOne) return true;
+	if (type == Type::AnyPart) {
+		int ind = 0;
+		for (const auto & m: parts) {
+			ind = in.find(m, ind);
+			if (ind < 0) return false;
+		}
+		return true;
+	}
+	if (type == Type::Arguments) {
+		int ind = 0, eind = 0;
+		for (int i = 0; i < parts.size_s(); ++i) {
+			const auto & m(parts[i]);
+			if (m.isNotEmpty()) {
+				ind = in.find(m, eind);
+				if (ind < 0) return false;
+			}
+			if (i > 0) {
+				ext_args[arguments.value(i - 1)] = in.mid(eind, ind - eind);
+			}
+			eind = ind + m.size_s();
+		}
+		if (parts.size() == arguments.size()) {
+			ext_args[arguments.value(arguments.size_s() - 1)] = in.mid(eind);
+		}
+		return true;
+	}
+	return source == in;
+}
+
+
+uint PIHTTP::ServerEndpoint::PathElement::priority() const {
+	switch (type) {
+	case Type::Fixed: return 0x10000; break;
+	case Type::Arguments: return 0x1000; break;
+	case Type::AnyPart: return 0x100; break;
+	case Type::AnyOne: return 0x10; break;
+	case Type::AnyMany: return 0x1; break;
+	default: break;
+	}
+	return 0;
+}
+
+
+bool PIHTTP::ServerEndpoint::create(const PIString & p) {
+	path = splitPath(p);
+	prepared_path.clear();
+	priority = 0;
+	for (const auto & i: path) {
+		PathElement pe(i);
+		prepared_path << pe;
+		path_types |= pe.type;
+		priority += pe.priority();
+	}
+	return !path_types[PathElement::Type::Invalid];
+}
+
+
+bool PIHTTP::ServerEndpoint::match(const PIStringList & in_path, PIMap<PIString, PIString> & ext_args) const {
+	if (path_types[PathElement::Type::AnyMany]) {
+		int any_ind = path.indexOf("**"_a);
+		for (int i = 0; i < any_ind; ++i) {
+			if (!prepared_path[i].match(in_path[i], ext_args)) return false;
+		}
+		int si = prepared_path.size_s() - 1, ii = in_path.size_s() - 1;
+		for (; si > any_ind && ii >= 0; --si, --ii) {
+			if (!prepared_path[si].match(in_path[ii], ext_args)) return false;
+		}
+	} else {
+		if (in_path.size() != prepared_path.size()) return false;
+		for (int i = 0; i < prepared_path.size_s(); ++i) {
+			if (!prepared_path[i].match(in_path[i], ext_args)) return false;
+		}
+	}
+	return true;
+}

libs/main/http_common/piserverendpoint_p.h

@@ -0,0 +1,72 @@
+//! \~\file piserverendpoint_p.h
+//! \~\ingroup HTTP
+//! \~\brief
+//! \~english Shared HTTP message container types
+//! \~russian Общие типы контейнеров HTTP-сообщений
+/*
+	PIP - Platform Independent Primitives
+	Shared HTTP message container types
+	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/>.
+*/
+
+#ifndef piserverendpoint_p_h
+#define piserverendpoint_p_h
+
+#include "pip_export.h"
+#include "pistringlist.h"
+
+
+namespace PIHTTP {
+
+
+struct PIP_EXPORT ServerEndpoint {
+	struct PIP_EXPORT PathElement {
+		enum class Type {
+			Invalid   = 0x01,
+			Fixed     = 0x02,
+			Arguments = 0x04,
+			AnyOne    = 0x08,
+			AnyPart   = 0x10,
+			AnyMany   = 0x20
+		};
+
+		Type type = Type::Fixed;
+		PIString source;
+		PIStringList parts;
+		PIMap<int, PIString> arguments;
+
+		PathElement(const PIString & reg = {});
+
+		bool match(const PIString & in, PIMap<PIString, PIString> & ext_args) const;
+		uint priority() const;
+	};
+
+	PIStringList path;
+	PIFlags<PathElement::Type> path_types;
+	PIVector<PathElement> prepared_path;
+	uint priority = 0;
+
+	bool create(const PIString & p);
+	bool match(const PIStringList & in_path, PIMap<PIString, PIString> & ext_args) const;
+
+	static PIStringList splitPath(const PIString & path);
+};
+
+
+}; // namespace PIHTTP
+
+
+#endif