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97 lines
3.1 KiB
C++
97 lines
3.1 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 <LibCore/DirIterator.h>
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#include <LibCore/ResourceImplementation.h>
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#include <LibCore/ResourceImplementationFile.h>
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#include <LibCore/System.h>
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#if defined(AK_OS_WINDOWS)
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# include <dirent.h>
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#endif
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namespace Core {
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static OwnPtr<ResourceImplementation> s_the;
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void ResourceImplementation::install(OwnPtr<ResourceImplementation> the)
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{
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s_the = move(the);
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}
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ResourceImplementation& ResourceImplementation::the()
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{
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if (!s_the)
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install(make<ResourceImplementationFile>("/res"_string));
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return *s_the;
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}
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NonnullRefPtr<Resource> ResourceImplementation::make_resource(String full_path, NonnullOwnPtr<Core::MappedFile> file, time_t modified_time)
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{
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return adopt_ref(*new Resource(move(full_path), Resource::Scheme::Resource, move(file), modified_time));
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}
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NonnullRefPtr<Resource> ResourceImplementation::make_resource(String full_path, ByteBuffer buffer, time_t modified_time)
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{
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return adopt_ref(*new Resource(move(full_path), Resource::Scheme::Resource, move(buffer), modified_time));
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}
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NonnullRefPtr<Resource> ResourceImplementation::make_directory_resource(String full_path, time_t modified_time)
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{
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return adopt_ref(*new Resource(move(full_path), Resource::Scheme::Resource, Resource::DirectoryTag {}, modified_time));
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}
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ErrorOr<NonnullRefPtr<Resource>> ResourceImplementation::load_from_uri(StringView uri)
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{
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StringView const file_scheme = "file://"sv;
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StringView const resource_scheme = "resource://"sv;
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if (uri.starts_with(resource_scheme))
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return load_from_resource_scheme_uri(uri);
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if (uri.starts_with(file_scheme)) {
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auto path = uri.substring_view(file_scheme.length());
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auto utf8_path = TRY(String::from_utf8(path));
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auto st = TRY(System::stat(utf8_path));
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if (S_ISDIR(st.st_mode))
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return adopt_ref(*new Resource(utf8_path, Resource::Scheme::File, Resource::DirectoryTag {}, st.st_mtime));
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auto mapped_file = TRY(MappedFile::map(path));
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return adopt_ref(*new Resource(utf8_path, Resource::Scheme::File, move(mapped_file), st.st_mtime));
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}
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dbgln("ResourceImplementation: Unknown scheme for {}", uri);
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return Error::from_string_literal("Invalid scheme");
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}
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Vector<String> ResourceImplementation::child_names(Resource const& resource)
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{
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if (!resource.is_directory())
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return {};
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if (resource.m_scheme == Resource::Scheme::Resource)
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return child_names_for_resource_scheme(resource);
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VERIFY(resource.m_scheme == Resource::Scheme::File);
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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 ResourceImplementation::filesystem_path(Resource const& resource)
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{
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if (resource.m_scheme == Resource::Scheme::Resource)
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return filesystem_path_for_resource_scheme(resource.m_path);
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VERIFY(resource.m_scheme == Resource::Scheme::File);
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return resource.m_path;
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}
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}
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