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https://github.com/vcmi/vcmi.git
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890ae43f55
Refactored CFileInfo & ResourceID
153 lines
4.3 KiB
C++
153 lines
4.3 KiB
C++
#include "StdInc.h"
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#include "AdapterLoaders.h"
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#include "../JsonNode.h"
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#include "Filesystem.h"
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CMappedFileLoader::CMappedFileLoader(const std::string & mountPoint, const JsonNode &config)
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{
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for(auto entry : config.Struct())
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{
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//fileList[ResourceID(mountPoint + entry.first)] = ResourceID(mountPoint + entry.second.String());
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fileList.emplace(ResourceID(mountPoint + entry.first), ResourceID(mountPoint + entry.second.String()));
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}
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}
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std::unique_ptr<CInputStream> CMappedFileLoader::load(const ResourceID & resourceName) const
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{
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return CResourceHandler::get()->load(fileList.at(resourceName));
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}
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bool CMappedFileLoader::existsResource(const ResourceID & resourceName) const
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{
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return fileList.count(resourceName) != 0;
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}
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std::string CMappedFileLoader::getMountPoint() const
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{
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return ""; // does not have any meaning with this type of data source
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}
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boost::optional<boost::filesystem::path> CMappedFileLoader::getResourceName(const ResourceID & resourceName) const
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{
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return CResourceHandler::get()->getResourceName(fileList.at(resourceName));
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}
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std::unordered_set<ResourceID> CMappedFileLoader::getFilteredFiles(std::function<bool(const ResourceID &)> filter) const
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{
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std::unordered_set<ResourceID> foundID;
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for (auto & file : fileList)
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{
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if (filter(file.first))
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foundID.insert(file.first);
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}
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return foundID;
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}
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CFilesystemList::CFilesystemList()
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{
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//loaders = new std::vector<std::unique_ptr<ISimpleResourceLoader> >;
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}
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CFilesystemList::~CFilesystemList()
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{
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//delete loaders;
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}
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std::unique_ptr<CInputStream> CFilesystemList::load(const ResourceID & resourceName) const
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{
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// load resource from last loader that have it (last overridden version)
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for (auto & loader : boost::adaptors::reverse(loaders))
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{
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if (loader->existsResource(resourceName))
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return loader->load(resourceName);
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}
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throw std::runtime_error("Resource with name " + resourceName.getName() + " and type "
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+ EResTypeHelper::getEResTypeAsString(resourceName.getType()) + " wasn't found.");
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}
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bool CFilesystemList::existsResource(const ResourceID & resourceName) const
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{
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for (auto & loader : loaders)
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if (loader->existsResource(resourceName))
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return true;
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return false;
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}
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std::string CFilesystemList::getMountPoint() const
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{
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return "";
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}
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boost::optional<boost::filesystem::path> CFilesystemList::getResourceName(const ResourceID & resourceName) const
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{
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if (existsResource(resourceName))
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return getResourcesWithName(resourceName).back()->getResourceName(resourceName);
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return boost::optional<boost::filesystem::path>();
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}
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std::set<boost::filesystem::path> CFilesystemList::getResourceNames(const ResourceID & resourceName) const
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{
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std::set<boost::filesystem::path> paths;
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for(auto& loader : getResourcesWithName(resourceName))
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{
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auto rn = loader->getResourceName(resourceName);
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if(rn)
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{
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paths.insert(rn->string());
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}
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}
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return std::move(paths);
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}
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std::unordered_set<ResourceID> CFilesystemList::getFilteredFiles(std::function<bool(const ResourceID &)> filter) const
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{
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std::unordered_set<ResourceID> ret;
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for (auto & loader : loaders)
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for (auto & entry : loader->getFilteredFiles(filter))
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ret.insert(entry);
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return ret;
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}
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bool CFilesystemList::createResource(std::string filename, bool update)
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{
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logGlobal->traceStream()<< "Creating " << filename;
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for (auto & loader : boost::adaptors::reverse(loaders))
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{
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if (writeableLoaders.count(loader.get()) != 0 // writeable,
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&& loader->createResource(filename, update)) // successfully created
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{
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// Check if resource was created successfully. Possible reasons for this to fail
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// a) loader failed to create resource (e.g. read-only FS)
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// b) in update mode, call with filename that does not exists
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assert(load(ResourceID(filename)));
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logGlobal->traceStream()<< "Resource created successfully";
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return true;
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}
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}
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logGlobal->traceStream()<< "Failed to create resource";
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return false;
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}
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std::vector<const ISimpleResourceLoader *> CFilesystemList::getResourcesWithName(const ResourceID & resourceName) const
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{
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std::vector<const ISimpleResourceLoader *> ret;
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for (auto & loader : loaders)
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boost::range::copy(loader->getResourcesWithName(resourceName), std::back_inserter(ret));
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return ret;
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}
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void CFilesystemList::addLoader(ISimpleResourceLoader * loader, bool writeable)
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{
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loaders.push_back(std::unique_ptr<ISimpleResourceLoader>(loader));
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if (writeable)
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writeableLoaders.insert(loader);
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}
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