77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
#include <mbgl/storage/local_file_source.hpp>
|
|
#include <mbgl/storage/file_source_request.hpp>
|
|
#include <mbgl/storage/response.hpp>
|
|
#include <mbgl/util/string.hpp>
|
|
#include <mbgl/util/thread.hpp>
|
|
#include <mbgl/util/url.hpp>
|
|
#include <mbgl/util/util.hpp>
|
|
#include <mbgl/util/io.hpp>
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#if defined(_WINDOWS) && !defined(S_ISDIR)
|
|
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
|
|
#endif
|
|
|
|
namespace {
|
|
|
|
const char* protocol = "file://";
|
|
const std::size_t protocolLength = 7;
|
|
|
|
} // namespace
|
|
|
|
namespace mbgl {
|
|
|
|
class LocalFileSource::Impl {
|
|
public:
|
|
Impl(ActorRef<Impl>) {}
|
|
|
|
void request(const std::string& url, ActorRef<FileSourceRequest> req) {
|
|
// Cut off the protocol
|
|
std::string path = mbgl::util::percentDecode(url.substr(protocolLength));
|
|
|
|
Response response;
|
|
|
|
struct stat buf;
|
|
int result = stat(path.c_str(), &buf);
|
|
|
|
if (result == 0 && S_ISDIR(buf.st_mode)) {
|
|
response.error = std::make_unique<Response::Error>(Response::Error::Reason::NotFound);
|
|
} else if (result == -1 && errno == ENOENT) {
|
|
response.error = std::make_unique<Response::Error>(Response::Error::Reason::NotFound);
|
|
} else {
|
|
try {
|
|
response.data = std::make_shared<std::string>(util::read_file(path));
|
|
} catch (...) {
|
|
response.error = std::make_unique<Response::Error>(
|
|
Response::Error::Reason::Other,
|
|
util::toString(std::current_exception()));
|
|
}
|
|
}
|
|
|
|
req.invoke(&FileSourceRequest::setResponse, response);
|
|
}
|
|
|
|
};
|
|
|
|
LocalFileSource::LocalFileSource()
|
|
: impl(std::make_unique<util::Thread<Impl>>("LocalFileSource")) {
|
|
}
|
|
|
|
LocalFileSource::~LocalFileSource() = default;
|
|
|
|
std::unique_ptr<AsyncRequest> LocalFileSource::request(const Resource& resource, Callback callback) {
|
|
auto req = std::make_unique<FileSourceRequest>(std::move(callback));
|
|
|
|
impl->actor().invoke(&Impl::request, resource.url, req->actor());
|
|
|
|
return std::move(req);
|
|
}
|
|
|
|
bool LocalFileSource::acceptsURL(const std::string& url) {
|
|
return url.compare(0, protocolLength, protocol) == 0;
|
|
}
|
|
|
|
} // namespace mbgl
|