ladybird/Userland/Libraries/LibCore/ResourceImplementationFile.cpp
Shannon Booth 28307d0db6 LibCore: Add modified time to Resource
For now, all Resources are implemented with a modification time, but the
public API has been left as an Optional since abstractly, not all
resources will have a modification time.
2024-04-02 07:51:02 +02:00

53 lines
1.6 KiB
C++

/*
* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <AK/StringView.h>
#include <LibCore/DirIterator.h>
#include <LibCore/Resource.h>
#include <LibCore/ResourceImplementationFile.h>
#include <LibCore/System.h>
namespace Core {
ResourceImplementationFile::ResourceImplementationFile(String base_directory)
: m_base_directory(move(base_directory))
{
}
ErrorOr<NonnullRefPtr<Resource>> ResourceImplementationFile::load_from_resource_scheme_uri(StringView uri)
{
StringView const resource_scheme = "resource://"sv;
VERIFY(uri.starts_with(resource_scheme));
auto path = TRY(String::from_utf8(uri.substring_view(resource_scheme.length())));
auto full_path = TRY(String::from_byte_string(LexicalPath::join(m_base_directory, path).string()));
auto st = TRY(System::stat(full_path));
if (S_ISDIR(st.st_mode))
return make_directory_resource(move(path), st.st_mtime);
return make_resource(path, TRY(MappedFile::map(full_path)), st.st_mtime);
}
Vector<String> ResourceImplementationFile::child_names_for_resource_scheme(Resource const& resource)
{
Vector<String> children;
Core::DirIterator it(resource.filesystem_path().to_byte_string(), Core::DirIterator::SkipParentAndBaseDir);
while (it.has_next())
children.append(MUST(String::from_byte_string(it.next_path())));
return children;
}
String ResourceImplementationFile::filesystem_path_for_resource_scheme(String const& relative_path)
{
return MUST(String::from_byte_string(LexicalPath::join(m_base_directory, relative_path).string()));
}
}