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https://github.com/RGBCube/serenity
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LibWeb: Make Blob and File GC-allocated
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parent
018d236439
commit
647ac1bdba
10 changed files with 77 additions and 61 deletions
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@ -7,12 +7,19 @@
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#include <AK/GenericLexer.h>
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#include <AK/StdLibExtras.h>
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#include <LibJS/Runtime/ArrayBuffer.h>
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#include <LibWeb/Bindings/BlobPrototype.h>
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#include <LibWeb/Bindings/DOMExceptionWrapper.h>
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#include <LibWeb/Bindings/IDLAbstractOperations.h>
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#include <LibWeb/FileAPI/Blob.h>
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#include <LibWeb/HTML/Window.h>
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namespace Web::FileAPI {
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DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create(HTML::Window& window, ByteBuffer byte_buffer, String type)
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{
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return JS::NonnullGCPtr(*window.heap().allocate<Blob>(window.realm(), window, move(byte_buffer), move(type)));
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}
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// https://w3c.github.io/FileAPI/#convert-line-endings-to-native
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ErrorOr<String> convert_line_endings_to_native(String const& string)
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{
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@ -88,7 +95,7 @@ ErrorOr<ByteBuffer> process_blob_parts(Vector<BlobPart> const& blob_parts, Optio
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return bytes.try_append(data_buffer.bytes());
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},
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// 3. If element is a Blob, append the bytes it represents to bytes.
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[&](NonnullRefPtr<Blob> const& blob) -> ErrorOr<void> {
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[&](JS::Handle<Blob> const& blob) -> ErrorOr<void> {
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return bytes.try_append(blob->bytes());
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}));
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}
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@ -105,25 +112,35 @@ bool is_basic_latin(StringView view)
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return true;
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}
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Blob::Blob(ByteBuffer byte_buffer, String type)
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: m_byte_buffer(move(byte_buffer))
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, m_type(move(type))
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Blob::Blob(HTML::Window& window)
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: PlatformObject(window.realm())
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{
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set_prototype(&window.cached_web_prototype("Blob"));
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}
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Blob::Blob(ByteBuffer byte_buffer)
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: m_byte_buffer(move(byte_buffer))
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Blob::Blob(HTML::Window& window, ByteBuffer byte_buffer, String type)
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: PlatformObject(window.realm())
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, m_byte_buffer(move(byte_buffer))
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, m_type(move(type))
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{
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set_prototype(&window.cached_web_prototype("Blob"));
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}
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Blob::Blob(HTML::Window& window, ByteBuffer byte_buffer)
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: PlatformObject(window.realm())
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, m_byte_buffer(move(byte_buffer))
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{
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set_prototype(&window.cached_web_prototype("Blob"));
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}
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Blob::~Blob() = default;
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// https://w3c.github.io/FileAPI/#ref-for-dom-blob-blob
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DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::create(Optional<Vector<BlobPart>> const& blob_parts, Optional<BlobPropertyBag> const& options)
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DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create(HTML::Window& window, Optional<Vector<BlobPart>> const& blob_parts, Optional<BlobPropertyBag> const& options)
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{
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// 1. If invoked with zero parameters, return a new Blob object consisting of 0 bytes, with size set to 0, and with type set to the empty string.
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if (!blob_parts.has_value() && !options.has_value())
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return adopt_ref(*new Blob());
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return JS::NonnullGCPtr(*window.heap().allocate<Blob>(window.realm(), window));
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ByteBuffer byte_buffer {};
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// 2. Let bytes be the result of processing blob parts given blobParts and options.
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@ -148,16 +165,16 @@ DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::create(Optional<Vector<BlobPart>> co
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}
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// 4. Return a Blob object referring to bytes as its associated byte sequence, with its size set to the length of bytes, and its type set to the value of t from the substeps above.
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return adopt_ref(*new Blob(move(byte_buffer), move(type)));
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return JS::NonnullGCPtr(*window.heap().allocate<Blob>(window.realm(), window, move(byte_buffer), move(type)));
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}
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DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::create_with_global_object(HTML::Window&, Optional<Vector<BlobPart>> const& blob_parts, Optional<BlobPropertyBag> const& options)
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DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create_with_global_object(HTML::Window& window, Optional<Vector<BlobPart>> const& blob_parts, Optional<BlobPropertyBag> const& options)
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{
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return Blob::create(blob_parts, options);
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return Blob::create(window, blob_parts, options);
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}
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// https://w3c.github.io/FileAPI/#dfn-slice
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DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::slice(Optional<i64> start, Optional<i64> end, Optional<String> const& content_type)
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DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::slice(Optional<i64> start, Optional<i64> end, Optional<String> const& content_type)
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{
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// 1. The optional start parameter is a value for the start point of a slice() call, and must be treated as a byte-order position, with the zeroth position representing the first byte.
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// User agents must process slice() with start normalized according to the following:
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@ -217,22 +234,19 @@ DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::slice(Optional<i64> start, Optional<
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// b. S.size = span.
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// c. S.type = relativeContentType.
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auto byte_buffer = TRY_OR_RETURN_OOM(m_byte_buffer.slice(relative_start, span));
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return adopt_ref(*new Blob(move(byte_buffer), move(relative_content_type)));
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return JS::NonnullGCPtr(*heap().allocate<Blob>(realm(), global_object(), move(byte_buffer), move(relative_content_type)));
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}
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// https://w3c.github.io/FileAPI/#dom-blob-text
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JS::Promise* Blob::text()
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{
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auto& vm = wrapper()->vm();
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auto& realm = *vm.current_realm();
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// FIXME: 1. Let stream be the result of calling get stream on this.
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// FIXME: 2. Let reader be the result of getting a reader from stream. If that threw an exception, return a new promise rejected with that exception.
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// FIXME: We still need to implement ReadableStream for this step to be fully valid.
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// 3. Let promise be the result of reading all bytes from stream with reader
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auto* promise = JS::Promise::create(realm);
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auto* result = JS::js_string(vm, String { m_byte_buffer.bytes() });
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auto* promise = JS::Promise::create(realm());
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auto* result = JS::js_string(vm(), String { m_byte_buffer.bytes() });
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// 4. Return the result of transforming promise by a fulfillment handler that returns the result of running UTF-8 decode on its first argument.
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promise->fulfill(result);
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@ -242,16 +256,13 @@ JS::Promise* Blob::text()
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// https://w3c.github.io/FileAPI/#dom-blob-arraybuffer
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JS::Promise* Blob::array_buffer()
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{
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auto& vm = wrapper()->vm();
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auto& realm = *vm.current_realm();
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// FIXME: 1. Let stream be the result of calling get stream on this.
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// FIXME: 2. Let reader be the result of getting a reader from stream. If that threw an exception, return a new promise rejected with that exception.
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// FIXME: We still need to implement ReadableStream for this step to be fully valid.
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// 3. Let promise be the result of reading all bytes from stream with reader.
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auto* promise = JS::Promise::create(realm);
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auto buffer_result = JS::ArrayBuffer::create(realm, m_byte_buffer.size());
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auto* promise = JS::Promise::create(realm());
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auto buffer_result = JS::ArrayBuffer::create(realm(), m_byte_buffer.size());
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if (buffer_result.is_error()) {
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promise->reject(buffer_result.release_error().value().release_value());
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return promise;
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@ -7,18 +7,16 @@
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#pragma once
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefCounted.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <LibWeb/Bindings/BlobPrototype.h>
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#include <LibWeb/Bindings/Wrappable.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/DOM/ExceptionOr.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/Window.h>
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namespace Web::FileAPI {
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using BlobPart = Variant<JS::Handle<JS::Object>, NonnullRefPtr<Blob>, String>;
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using BlobPart = Variant<JS::Handle<JS::Object>, JS::Handle<Blob>, String>;
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struct BlobPropertyBag {
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String type = String::empty();
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@ -29,26 +27,22 @@ struct BlobPropertyBag {
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[[nodiscard]] ErrorOr<ByteBuffer> process_blob_parts(Vector<BlobPart> const& blob_parts, Optional<BlobPropertyBag> const& options = {});
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[[nodiscard]] bool is_basic_latin(StringView view);
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class Blob
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: public RefCounted<Blob>
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, public Weakable<Blob>
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, public Bindings::Wrappable {
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class Blob : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(Blob, Bindings::PlatformObject);
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public:
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using WrapperType = Bindings::BlobWrapper;
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Blob(ByteBuffer byte_buffer, String type);
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virtual ~Blob() override;
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static DOM::ExceptionOr<NonnullRefPtr<Blob>> create(Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
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static DOM::ExceptionOr<NonnullRefPtr<Blob>> create_with_global_object(HTML::Window&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
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static DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> create(HTML::Window&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
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static DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> create(HTML::Window&, ByteBuffer, String type);
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static DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> create_with_global_object(HTML::Window&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
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// https://w3c.github.io/FileAPI/#dfn-size
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u64 size() const { return m_byte_buffer.size(); }
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// https://w3c.github.io/FileAPI/#dfn-type
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String const& type() const { return m_type; }
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DOM::ExceptionOr<NonnullRefPtr<Blob>> slice(Optional<i64> start = {}, Optional<i64> end = {}, Optional<String> const& content_type = {});
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DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> slice(Optional<i64> start = {}, Optional<i64> end = {}, Optional<String> const& content_type = {});
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JS::Promise* text();
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JS::Promise* array_buffer();
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@ -56,13 +50,16 @@ public:
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ReadonlyBytes bytes() const { return m_byte_buffer.bytes(); }
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protected:
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Blob(ByteBuffer byte_buffer);
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Blob(HTML::Window&, ByteBuffer, String type);
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Blob(HTML::Window&, ByteBuffer);
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private:
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Blob() = default;
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explicit Blob(HTML::Window&);
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ByteBuffer m_byte_buffer {};
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String m_type {};
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};
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}
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WRAPPER_HACK(Blob, Web::FileAPI)
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@ -5,18 +5,22 @@
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*/
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#include <LibWeb/FileAPI/File.h>
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#include <LibWeb/HTML/Window.h>
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namespace Web::FileAPI {
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File::File(ByteBuffer byte_buffer, String file_name, String type, i64 last_modified)
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: Blob(move(byte_buffer), move(type))
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File::File(HTML::Window& window, ByteBuffer byte_buffer, String file_name, String type, i64 last_modified)
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: Blob(window, move(byte_buffer), move(type))
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, m_name(move(file_name))
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, m_last_modified(last_modified)
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{
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set_prototype(&window.cached_web_prototype("File"));
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}
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File::~File() = default;
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// https://w3c.github.io/FileAPI/#ref-for-dom-file-file
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DOM::ExceptionOr<NonnullRefPtr<File>> File::create(Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
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DOM::ExceptionOr<JS::NonnullGCPtr<File>> File::create(HTML::Window& window, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
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{
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// 1. Let bytes be the result of processing blob parts given fileBits and options.
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auto bytes = TRY_OR_RETURN_OOM(process_blob_parts(file_bits, static_cast<Optional<BlobPropertyBag> const&>(*options)));
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@ -53,12 +57,12 @@ DOM::ExceptionOr<NonnullRefPtr<File>> File::create(Vector<BlobPart> const& file_
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// 4. F.name is set to n.
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// 5. F.type is set to t.
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// 6. F.lastModified is set to d.
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return adopt_ref(*new File(move(bytes), move(name), move(type), last_modified));
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return JS::NonnullGCPtr(*window.heap().allocate<File>(window.realm(), window, move(bytes), move(name), move(type), last_modified));
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}
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DOM::ExceptionOr<NonnullRefPtr<File>> File::create_with_global_object(HTML::Window&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
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DOM::ExceptionOr<JS::NonnullGCPtr<File>> File::create_with_global_object(HTML::Window& window, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
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{
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return create(file_bits, file_name, options);
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return create(window, file_bits, file_name, options);
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}
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}
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@ -16,12 +16,13 @@ struct FilePropertyBag : BlobPropertyBag {
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};
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class File : public Blob {
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WEB_PLATFORM_OBJECT(File, Blob);
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public:
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using WrapperType = Bindings::FileWrapper;
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static DOM::ExceptionOr<JS::NonnullGCPtr<File>> create(HTML::Window&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
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static DOM::ExceptionOr<JS::NonnullGCPtr<File>> create_with_global_object(HTML::Window&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
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static DOM::ExceptionOr<NonnullRefPtr<File>> create(Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
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static DOM::ExceptionOr<NonnullRefPtr<File>> create_with_global_object(HTML::Window&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
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virtual ~File() override;
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// https://w3c.github.io/FileAPI/#dfn-name
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String const& name() const { return m_name; }
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i64 last_modified() const { return m_last_modified; }
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private:
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File(ByteBuffer byte_buffer, String file_name, String type, i64 last_modified);
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File(HTML::Window&, ByteBuffer, String file_name, String type, i64 last_modified);
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String m_name;
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i64 m_last_modified { 0 };
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};
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}
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WRAPPER_HACK(File, Web::FileAPI)
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