/*

* Copyright (C) 2016-2017, Egor Pugin

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

#include "spec.h"

#include "http.h"

#include "package.h"

#include "property_tree.h"

#include <primitives/command.h>

//#define SPEC_FILES_LOCATION "https://github.com/cppan/specs"s

#define SPEC_FILES_LOCATION "https://raw.githubusercontent.com/cppan/specs/master/"s

Specification download_specification(const Package &pkg)

{

auto url = path(SPEC_FILES_LOCATION) / pkg.ppath.toFileSystemPath() / (pkg.version.toString() + SPEC_FILE_EXTENSION);

auto spec = download_file(to_printable_string(normalize_path(url)));

return read_specification(spec);

}

Specification read_specification(const String &s)

{

auto p = string2ptree(s);

return read_specification(p);

}

Specification read_specification(const ptree &p)

{

Specification s;

auto get_val = [&p](auto &v, auto &&key)

{

if (p.find(key) != p.not_found())

v = p.get<std::remove_reference_t<String>>(key);

};

String version;

String created;

get_val(s.package.ppath, "project");

get_val(version, "version");

get_val(s.cppan, "cppan");

get_val(s.hash, "hash");

get_val(created, "created");

s.package.version = Version(version);

s.source = load_source(p);

s.created = string2timepoint(created);

return s;

}