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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <core/parser/Parser.hpp>
#include <core/resource/Resource.hpp>
#include <core/resource/ResourceLocator.hpp>
#include "Registry.hpp"
namespace ousia {
using namespace parser;
/* Class Registry */
void Registry::registerParser(parser::Parser &parser)
{
parsers.push_back(&parser);
for (const auto &mime : parser->mimetypes()) {
//TODO: This does not allow for multiple parsers with the same mimetype.
// Is that how its supposed to be?
parserMimetypes.insert(std::make_pair(mime, parser));
}
}
Parser *Registry::getParserForMimetype(const std::string &mimetype) const
{
const auto it = parserMimetypes.find(mimetype);
if (it != parserMimetypes.end()) {
return it->second;
}
return nullptr;
}
void Registry::registerResourceLocator(ResourceLocator &locator)
{
locators.push_back(&locator);
}
bool Registry::locateResource(Resource &resource, const std::string &path,
ResourceType type,
const Resource &relativeTo) const
{
// Try the locator of the given "relativeTo" resource first
if (relativeTo.isValid()) {
if (relativeTo.getLocator().locate(resource, path, type, relativeTo)) {
return true;
}
}
// Iterate over all registered locators and try to resolve the given path
for (auto &locator : locators) {
if (locator->locate(resource, path, type, relativeTo)) {
return true;
}
}
// If this did not work out, retry but use the UNKNOWN type.
if (type != ResourceType::UNKNOWN) {
for (auto &locator : locators) {
if (locator->locate(resource, path, ResourceType::UNKNOWN,
relativeTo)) {
return true;
}
}
}
return false;
}
}
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