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28307d0db6
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.
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/*
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* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/LexicalPath.h>
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#include <AK/StringView.h>
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#include <LibCore/DirIterator.h>
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#include <LibCore/Resource.h>
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#include <LibCore/ResourceImplementationFile.h>
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#include <LibCore/System.h>
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namespace Core {
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ResourceImplementationFile::ResourceImplementationFile(String base_directory)
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: m_base_directory(move(base_directory))
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{
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}
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ErrorOr<NonnullRefPtr<Resource>> ResourceImplementationFile::load_from_resource_scheme_uri(StringView uri)
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{
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StringView const resource_scheme = "resource://"sv;
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VERIFY(uri.starts_with(resource_scheme));
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auto path = TRY(String::from_utf8(uri.substring_view(resource_scheme.length())));
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auto full_path = TRY(String::from_byte_string(LexicalPath::join(m_base_directory, path).string()));
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auto st = TRY(System::stat(full_path));
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if (S_ISDIR(st.st_mode))
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return make_directory_resource(move(path), st.st_mtime);
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return make_resource(path, TRY(MappedFile::map(full_path)), st.st_mtime);
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}
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Vector<String> ResourceImplementationFile::child_names_for_resource_scheme(Resource const& resource)
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{
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Vector<String> children;
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Core::DirIterator it(resource.filesystem_path().to_byte_string(), Core::DirIterator::SkipParentAndBaseDir);
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while (it.has_next())
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children.append(MUST(String::from_byte_string(it.next_path())));
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return children;
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}
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String ResourceImplementationFile::filesystem_path_for_resource_scheme(String const& relative_path)
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{
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return MUST(String::from_byte_string(LexicalPath::join(m_base_directory, relative_path).string()));
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}
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}
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