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// Copyright Contributors to the DNF5 project.
// Copyright Contributors to the libdnf project.
// SPDX-License-Identifier: LGPL-2.1-or-later
//
// This file is part of libdnf: https://github.com/rpm-software-management/libdnf/
//
// Libdnf 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 2.1 of the License, or
// (at your option) any later version.
//
// Libdnf 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 libdnf. If not, see <https://www.gnu.org/licenses/>.
// TODO(pkratoch): Similar regexes are also defined in libdnf5/conf/vars.cpp. Define them only once.
#define LETTERS "a-zA-Z"
#define DIGITS "0-9"
#define MODULE_SPECIAL "+._\\-"
#define GLOB "][*?!"
#include "libdnf5/module/nsvcap.hpp"
#include "utils/regex.hpp"
#include <array>
#include <regex>
#include <string>
#include <vector>
namespace libdnf5::module {
#define MODULE_NAME "([" GLOB LETTERS DIGITS MODULE_SPECIAL "]+)"
#define MODULE_STREAM MODULE_NAME
#define MODULE_VERSION "([" GLOB DIGITS "\\-]+)"
#define MODULE_CONTEXT MODULE_NAME
#define MODULE_ARCH MODULE_NAME
#define MODULE_PROFILE MODULE_NAME
// clang-format off
static const std::array<std::regex, 18> NSVCAP_FORM_REGEX{
std::regex("^" MODULE_NAME ":" MODULE_STREAM ":" MODULE_VERSION ":" MODULE_CONTEXT "::?" MODULE_ARCH "\\/" MODULE_PROFILE "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM ":" MODULE_VERSION ":" MODULE_CONTEXT "::?" MODULE_ARCH "\\/?" "()" "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM ":" MODULE_VERSION "()" "::" MODULE_ARCH "\\/" MODULE_PROFILE "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM ":" MODULE_VERSION "()" "::" MODULE_ARCH "\\/?" "()" "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM "()" "()" "::" MODULE_ARCH "\\/" MODULE_PROFILE "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM "()" "()" "::" MODULE_ARCH "\\/?" "()" "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM ":" MODULE_VERSION ":" MODULE_CONTEXT "()" "\\/" MODULE_PROFILE "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM ":" MODULE_VERSION "()" "()" "\\/" MODULE_PROFILE "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM ":" MODULE_VERSION ":" MODULE_CONTEXT "()" "\\/?" "()" "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM ":" MODULE_VERSION "()" "()" "\\/?" "()" "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM "()" "()" "()" "\\/" MODULE_PROFILE "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM "()" "()" "()" "\\/?" "()" "$", std::regex::extended),
std::regex("^" MODULE_NAME "()" "()" "()" "::" MODULE_ARCH "\\/" MODULE_PROFILE "$", std::regex::extended),
std::regex("^" MODULE_NAME "()" "()" "()" "::" MODULE_ARCH "\\/?" "()" "$", std::regex::extended),
std::regex("^" MODULE_NAME "()" "()" "()" "()" "\\/" MODULE_PROFILE "$", std::regex::extended),
std::regex("^" MODULE_NAME "()" "()" "()" "()" "\\/?" "()" "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM "()" ":" MODULE_CONTEXT "()" "\\/?" MODULE_PROFILE "$", std::regex::extended),
std::regex("^" MODULE_NAME ":" MODULE_STREAM "()" ":" MODULE_CONTEXT "()" "\\/?" "()" "$", std::regex::extended)};
// clang-format on
static const std::vector<Nsvcap::Form> MODULE_SPEC_FORMS{
Nsvcap::Form::N,
Nsvcap::Form::NP,
Nsvcap::Form::NS,
Nsvcap::Form::NSP,
Nsvcap::Form::NSC,
Nsvcap::Form::NSCP,
Nsvcap::Form::NSV,
Nsvcap::Form::NSVP,
Nsvcap::Form::NSVC,
Nsvcap::Form::NSVCP,
Nsvcap::Form::NA,
Nsvcap::Form::NAP,
Nsvcap::Form::NSA,
Nsvcap::Form::NSAP,
Nsvcap::Form::NSVA,
Nsvcap::Form::NSVAP,
Nsvcap::Form::NSVCA,
Nsvcap::Form::NSVCAP};
class Nsvcap::Impl {
private:
friend Nsvcap;
std::string name;
std::string stream;
std::string version;
std::string context;
std::string arch;
std::string profile;
};
Nsvcap::Nsvcap() : p_impl(std::make_unique<Impl>()) {}
Nsvcap::~Nsvcap() = default;
Nsvcap::Nsvcap(const Nsvcap & src) : p_impl(new Impl(*src.p_impl)) {}
Nsvcap::Nsvcap(Nsvcap && src) noexcept = default;
Nsvcap & Nsvcap::operator=(const Nsvcap & src) {
if (this != &src) {
if (p_impl) {
*p_impl = *src.p_impl;
} else {
p_impl = std::make_unique<Impl>(*src.p_impl);
}
}
return *this;
}
Nsvcap & Nsvcap::operator=(Nsvcap && src) noexcept = default;
const std::vector<Nsvcap::Form> & Nsvcap::get_default_module_spec_forms() {
return MODULE_SPEC_FORMS;
}
bool Nsvcap::parse(const std::string & nsvcap_str, Nsvcap::Form form) {
enum { NAME = 1, STREAM = 2, VERSION = 3, CONTEXT = 4, ARCH = 5, PROFILE = 6, _LAST_ };
if (nsvcap_str.length() > MAX_STRING_LENGTH_FOR_REGEX_MATCH) {
// GCC std::regex_match() exhausts a stack on very long strings.
return false;
}
std::smatch matched_result;
auto matched = std::regex_match(nsvcap_str, matched_result, NSVCAP_FORM_REGEX[static_cast<unsigned>(form) - 1]);
if (!matched || matched_result[NAME].str().size() == 0) {
return false;
}
p_impl->name = matched_result[NAME].str();
p_impl->version = matched_result[VERSION].str();
p_impl->stream = matched_result[STREAM].str();
p_impl->context = matched_result[CONTEXT].str();
p_impl->arch = matched_result[ARCH].str();
p_impl->profile = matched_result[PROFILE].str();
return true;
}
std::vector<Nsvcap> Nsvcap::parse(const std::string & pattern, const std::vector<Nsvcap::Form> & forms) {
std::vector<Nsvcap> nsvcaps;
Nsvcap nsvcap;
for (const auto & form : forms) {
if (nsvcap.parse(pattern, form)) {
nsvcaps.push_back(nsvcap);
}
}
return nsvcaps;
}
std::vector<Nsvcap> Nsvcap::parse(const std::string & pattern) {
return parse(pattern, MODULE_SPEC_FORMS);
}
void Nsvcap::clear() {
p_impl->name.clear();
p_impl->stream.clear();
p_impl->version.clear();
p_impl->context.clear();
p_impl->arch.clear();
p_impl->profile.clear();
}
const std::string & Nsvcap::get_name() const noexcept {
return p_impl->name;
}
const std::string & Nsvcap::get_stream() const noexcept {
return p_impl->stream;
}
const std::string & Nsvcap::get_version() const noexcept {
return p_impl->version;
}
const std::string & Nsvcap::get_context() const noexcept {
return p_impl->context;
}
const std::string & Nsvcap::get_arch() const noexcept {
return p_impl->arch;
}
const std::string & Nsvcap::get_profile() const noexcept {
return p_impl->profile;
}
void Nsvcap::set_name(const std::string & name) {
p_impl->name = name;
}
void Nsvcap::set_stream(const std::string & stream) {
p_impl->stream = stream;
}
void Nsvcap::set_version(const std::string & version) {
p_impl->version = version;
}
void Nsvcap::set_context(const std::string & context) {
p_impl->context = context;
}
void Nsvcap::set_arch(const std::string & arch) {
p_impl->arch = arch;
}
void Nsvcap::set_profile(const std::string & profile) {
p_impl->profile = profile;
}
void Nsvcap::set_name(std::string && name) {
p_impl->name = std::move(name);
}
void Nsvcap::set_stream(std::string && stream) {
p_impl->stream = std::move(stream);
}
void Nsvcap::set_version(std::string && version) {
p_impl->version = std::move(version);
}
void Nsvcap::set_context(std::string && context) {
p_impl->context = std::move(context);
}
void Nsvcap::set_arch(std::string && arch) {
p_impl->arch = std::move(arch);
}
void Nsvcap::set_profile(std::string && profile) {
p_impl->profile = std::move(profile);
}
} // namespace libdnf5::module
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