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LibWeb: Port IDL implementations Blob and File to new String

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This commit is contained in:
Kenneth Myhra 2023-02-25 10:27:38 +01:00 • committed by Linus Groh
parent 31a9bd2bfd
commit 9a5a8d617d
10 changed files with 63 additions and 52 deletions
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2
Userland/Libraries/LibWeb/Fetch/Body.cpp
View file

@ -108,7 +108,7 @@ WebIDL::ExceptionOr<JS::Value> package_data(JS::Realm& realm, ByteBuffer bytes,
case PackageDataType::Blob: {
// Return a Blob whose contents are bytes and type attribute is mimeType.
// NOTE: If extracting the mime type returns failure, other browsers set it to an empty string - not sure if that's spec'd.
auto mime_type_string = mime_type.has_value() ? mime_type->serialized() : DeprecatedString::empty();
auto mime_type_string = mime_type.has_value() ? TRY_OR_THROW_OOM(vm, String::from_deprecated_string(mime_type->serialized())) : String {};
return TRY(FileAPI::Blob::create(realm, move(bytes), move(mime_type_string)));
}
case PackageDataType::FormData:

2
Userland/Libraries/LibWeb/Fetch/BodyInit.cpp
View file

@ -75,7 +75,7 @@ WebIDL::ExceptionOr<Infrastructure::BodyWithType> extract_body(JS::Realm& realm,
length = blob->size();
// If object’s type attribute is not the empty byte sequence, set type to its value.
if (!blob->type().is_empty())
type = blob->type().to_byte_buffer();
type = TRY_OR_THROW_OOM(vm, ByteBuffer::copy(blob->type().bytes()));
return {};
},
[&](ReadonlyBytes bytes) -> WebIDL::ExceptionOr<void> {

48
Userland/Libraries/LibWeb/FileAPI/Blob.cpp
View file

@ -1,27 +1,28 @@
/*
* Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
* Copyright (c) 2022-2023, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/GenericLexer.h>
#include <AK/StdLibExtras.h>
#include <LibJS/Runtime/ArrayBuffer.h>
#include <LibJS/Runtime/Completion.h>
#include <LibWeb/Bindings/BlobPrototype.h>
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/FileAPI/Blob.h>
#include <LibWeb/Infra/Strings.h>
#include <LibWeb/WebIDL/AbstractOperations.h>
namespace Web::FileAPI {
WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create(JS::Realm& realm, ByteBuffer byte_buffer, DeprecatedString type)
WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create(JS::Realm& realm, ByteBuffer byte_buffer, String type)
{
return MUST_OR_THROW_OOM(realm.heap().allocate<Blob>(realm, realm, move(byte_buffer), move(type)));
}
// https://w3c.github.io/FileAPI/#convert-line-endings-to-native
ErrorOr<DeprecatedString> convert_line_endings_to_native(DeprecatedString const& string)
ErrorOr<String> convert_line_endings_to_native(StringView string)
{
// 1. Let native line ending be be the code point U+000A LF.
auto native_line_ending = "\n"sv;
@ -33,7 +34,7 @@ ErrorOr<DeprecatedString> convert_line_endings_to_native(DeprecatedString const&
StringBuilder result;
// 4. Let position be a position variable for s, initially pointing at the start of s.
auto lexer = GenericLexer { string.view() };
auto lexer = GenericLexer { string };
// 5. Let token be the result of collecting a sequence of code points that are not equal to U+000A LF or U+000D CR from s given position.
// 6. Append token to result.
@ -64,7 +65,7 @@ ErrorOr<DeprecatedString> convert_line_endings_to_native(DeprecatedString const&
TRY(result.try_append(lexer.consume_until(is_any_of("\n\r"sv))));
}
// 5. Return result.
return result.to_deprecated_string();
return result.to_string();
}
// https://w3c.github.io/FileAPI/#process-blob-parts
@ -77,7 +78,7 @@ ErrorOr<ByteBuffer> process_blob_parts(Vector<BlobPart> const& blob_parts, Optio
for (auto const& blob_part : blob_parts) {
TRY(blob_part.visit(
// 1. If element is a USVString, run the following sub-steps:
[&](DeprecatedString const& string) -> ErrorOr<void> {
[&](String const& string) -> ErrorOr<void> {
// 1. Let s be element.
auto s = string;
@ -85,9 +86,9 @@ ErrorOr<ByteBuffer> process_blob_parts(Vector<BlobPart> const& blob_parts, Optio
if (options.has_value() && options->endings == Bindings::EndingType::Native)
s = TRY(convert_line_endings_to_native(s));
// NOTE: The AK::DeprecatedString is always UTF-8.
// NOTE: The AK::String is always UTF-8.
// 3. Append the result of UTF-8 encoding s to bytes.
return bytes.try_append(s.to_byte_buffer());
return bytes.try_append(s.bytes());
},
// 2. If element is a BufferSource, get a copy of the bytes held by the buffer source, and append those bytes to bytes.
[&](JS::Handle<JS::Object> const& buffer_source) -> ErrorOr<void> {
@ -117,7 +118,7 @@ Blob::Blob(JS::Realm& realm)
{
}
Blob::Blob(JS::Realm& realm, ByteBuffer byte_buffer, DeprecatedString type)
Blob::Blob(JS::Realm& realm, ByteBuffer byte_buffer, String type)
: PlatformObject(realm)
, m_byte_buffer(move(byte_buffer))
, m_type(move(type))
@ -143,6 +144,8 @@ JS::ThrowCompletionOr<void> Blob::initialize(JS::Realm& realm)
// https://w3c.github.io/FileAPI/#ref-for-dom-blob-blob
WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create(JS::Realm& realm, Optional<Vector<BlobPart>> const& blob_parts, Optional<BlobPropertyBag> const& options)
{
auto& vm = realm.vm();
// 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.
if (!blob_parts.has_value() && !options.has_value())
return MUST_OR_THROW_OOM(realm.heap().allocate<Blob>(realm, realm));
@ -153,7 +156,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create(JS::Realm& realm, Optio
byte_buffer = TRY_OR_THROW_OOM(realm.vm(), process_blob_parts(blob_parts.value(), options));
}
auto type = DeprecatedString::empty();
auto type = String {};
// 3. If the type member of the options argument is not the empty string, run the following sub-steps:
if (options.has_value() && !options->type.is_empty()) {
// 1. If the type member is provided and is not the empty string, let t be set to the type dictionary member.
@ -166,7 +169,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create(JS::Realm& realm, Optio
// 2. Convert every character in t to ASCII lowercase.
if (!type.is_empty())
type = options->type.to_lowercase();
type = TRY_OR_THROW_OOM(vm, Infra::to_ascii_lower_case(type));
}
// 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.
@ -179,8 +182,10 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::construct_impl(JS::Realm& real
}
// https://w3c.github.io/FileAPI/#dfn-slice
WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::slice(Optional<i64> start, Optional<i64> end, Optional<DeprecatedString> const& content_type)
WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::slice(Optional<i64> start, Optional<i64> end, Optional<String> const& content_type)
{
auto& vm = realm().vm();
// 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.
// User agents must process slice() with start normalized according to the following:
i64 relative_start;
@ -218,17 +223,17 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::slice(Optional<i64> start, Opt
// 3. The optional contentType parameter is used to set the ASCII-encoded string in lower case representing the media type of the Blob.
// User agents must process the slice() with contentType normalized according to the following:
DeprecatedString relative_content_type;
String relative_content_type;
if (!content_type.has_value()) {
// a. If the contentType parameter is not provided, let relativeContentType be set to the empty string.
relative_content_type = "";
relative_content_type = String {};
} else {
// b. Else let relativeContentType be set to contentType and run the substeps below:
// FIXME: 1. If relativeContentType contains any characters outside the range of U+0020 to U+007E, then set relativeContentType to the empty string and return from these substeps.
// 2. Convert every character in relativeContentType to ASCII lowercase.
relative_content_type = content_type->to_lowercase();
relative_content_type = TRY_OR_THROW_OOM(vm, Infra::to_ascii_lower_case(content_type.value()));
}
// 4. Let span be max((relativeEnd - relativeStart), 0).
@ -238,20 +243,23 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::slice(Optional<i64> start, Opt
// a. S refers to span consecutive bytes from this, beginning with the byte at byte-order position relativeStart.
// b. S.size = span.
// c. S.type = relativeContentType.
auto byte_buffer = TRY_OR_THROW_OOM(realm().vm(), m_byte_buffer.slice(relative_start, span));
auto byte_buffer = TRY_OR_THROW_OOM(vm, m_byte_buffer.slice(relative_start, span));
return MUST_OR_THROW_OOM(heap().allocate<Blob>(realm(), realm(), move(byte_buffer), move(relative_content_type)));
}
// https://w3c.github.io/FileAPI/#dom-blob-text
JS::Promise* Blob::text()
WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> Blob::text()
{
auto& realm = this->realm();
auto& vm = realm.vm();
// FIXME: 1. Let stream be the result of calling get stream on this.
// 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.
// FIXME: We still need to implement ReadableStream for this step to be fully valid.
// 3. Let promise be the result of reading all bytes from stream with reader
auto promise = JS::Promise::create(realm());
auto result = JS::PrimitiveString::create(vm(), DeprecatedString { m_byte_buffer.bytes() });
auto promise = JS::Promise::create(realm);
auto result = TRY(Bindings::throw_dom_exception_if_needed(vm, [&]() { return JS::PrimitiveString::create(vm, StringView { m_byte_buffer.bytes() }); }));
// 4. Return the result of transforming promise by a fulfillment handler that returns the result of running UTF-8 decode on its first argument.
promise->fulfill(result);

21
Userland/Libraries/LibWeb/FileAPI/Blob.h
View file

@ -1,12 +1,11 @@
/*
* Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
* Copyright (c) 2022-2023, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <AK/NonnullRefPtr.h>
#include <AK/Vector.h>
#include <LibWeb/Bindings/BlobPrototype.h>
@ -16,14 +15,14 @@
namespace Web::FileAPI {
using BlobPart = Variant<JS::Handle<JS::Object>, JS::Handle<Blob>, DeprecatedString>;
using BlobPart = Variant<JS::Handle<JS::Object>, JS::Handle<Blob>, String>;
struct BlobPropertyBag {
DeprecatedString type = DeprecatedString::empty();
String type = String {};
Bindings::EndingType endings;
};
[[nodiscard]] ErrorOr<DeprecatedString> convert_line_endings_to_native(DeprecatedString const& string);
[[nodiscard]] ErrorOr<String> convert_line_endings_to_native(StringView string);
[[nodiscard]] ErrorOr<ByteBuffer> process_blob_parts(Vector<BlobPart> const& blob_parts, Optional<BlobPropertyBag> const& options = {});
[[nodiscard]] bool is_basic_latin(StringView view);
@ -33,24 +32,24 @@ class Blob : public Bindings::PlatformObject {
public:
virtual ~Blob() override;
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> create(JS::Realm&, ByteBuffer, DeprecatedString type);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> create(JS::Realm&, ByteBuffer, String type);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> create(JS::Realm&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> construct_impl(JS::Realm&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
// https://w3c.github.io/FileAPI/#dfn-size
u64 size() const { return m_byte_buffer.size(); }
// https://w3c.github.io/FileAPI/#dfn-type
DeprecatedString const& type() const { return m_type; }
String const& type() const { return m_type; }
WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> slice(Optional<i64> start = {}, Optional<i64> end = {}, Optional<DeprecatedString> const& content_type = {});
WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> slice(Optional<i64> start = {}, Optional<i64> end = {}, Optional<String> const& content_type = {});
JS::Promise* text();
WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> text();
JS::Promise* array_buffer();
ReadonlyBytes bytes() const { return m_byte_buffer.bytes(); }
protected:
Blob(JS::Realm&, ByteBuffer, DeprecatedString type);
Blob(JS::Realm&, ByteBuffer, String type);
Blob(JS::Realm&, ByteBuffer);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
@ -59,7 +58,7 @@ private:
explicit Blob(JS::Realm&);
ByteBuffer m_byte_buffer {};
DeprecatedString m_type {};
String m_type {};
};
}

2
Userland/Libraries/LibWeb/FileAPI/Blob.idl
View file

@ -1,4 +1,4 @@
[Exposed=(Window,Worker), Serializable]
[Exposed=(Window,Worker), Serializable, UseNewAKString]
interface Blob {
constructor(optional sequence<BlobPart> blobParts, optional BlobPropertyBag options = {});

15
Userland/Libraries/LibWeb/FileAPI/File.cpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
* Copyright (c) 2022-2023, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -8,10 +8,11 @@
#include <LibJS/Runtime/Completion.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/FileAPI/File.h>
#include <LibWeb/Infra/Strings.h>
namespace Web::FileAPI {
File::File(JS::Realm& realm, ByteBuffer byte_buffer, DeprecatedString file_name, DeprecatedString type, i64 last_modified)
File::File(JS::Realm& realm, ByteBuffer byte_buffer, String file_name, String type, i64 last_modified)
: Blob(realm, move(byte_buffer), move(type))
, m_name(move(file_name))
, m_last_modified(last_modified)
@ -29,8 +30,10 @@ JS::ThrowCompletionOr<void> File::initialize(JS::Realm& realm)
File::~File() = default;
// https://w3c.github.io/FileAPI/#ref-for-dom-file-file
WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> File::create(JS::Realm& realm, Vector<BlobPart> const& file_bits, DeprecatedString const& file_name, Optional<FilePropertyBag> const& options)
WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> File::create(JS::Realm& realm, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
{
auto& vm = realm.vm();
// 1. Let bytes be the result of processing blob parts given fileBits and options.
auto bytes = TRY_OR_THROW_OOM(realm.vm(), process_blob_parts(file_bits, options.has_value() ? static_cast<BlobPropertyBag const&>(*options) : Optional<BlobPropertyBag> {}));
@ -38,7 +41,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> File::create(JS::Realm& realm, Vecto
// NOTE: Underlying OS filesystems use differing conventions for file name; with constructed files, mandating UTF-16 lessens ambiquity when file names are converted to byte sequences.
auto name = file_name;
auto type = DeprecatedString::empty();
auto type = String {};
i64 last_modified = 0;
// 3. Process FilePropertyBag dictionary argument by running the following substeps:
if (options.has_value()) {
@ -52,7 +55,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> File::create(JS::Realm& realm, Vecto
// 2. Convert every character in t to ASCII lowercase.
if (!type.is_empty())
type = options->type.to_lowercase();
type = TRY_OR_THROW_OOM(vm, Infra::to_ascii_lower_case(type));
// 3. If the lastModified member is provided, let d be set to the lastModified dictionary member. If it is not provided, set d to the current date and time represented as the number of milliseconds since the Unix Epoch (which is the equivalent of Date.now() [ECMA-262]).
// Note: Since ECMA-262 Date objects convert to long long values representing the number of milliseconds since the Unix Epoch, the lastModified member could be a Date object [ECMA-262].
@ -69,7 +72,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> File::create(JS::Realm& realm, Vecto
return MUST_OR_THROW_OOM(realm.heap().allocate<File>(realm, realm, move(bytes), move(name), move(type), last_modified));
}
WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> File::construct_impl(JS::Realm& realm, Vector<BlobPart> const& file_bits, DeprecatedString const& file_name, Optional<FilePropertyBag> const& options)
WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> File::construct_impl(JS::Realm& realm, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
{
return create(realm, file_bits, file_name, options);
}

12
Userland/Libraries/LibWeb/FileAPI/File.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
* Copyright (c) 2022-2023, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -18,22 +18,22 @@ class File : public Blob {
WEB_PLATFORM_OBJECT(File, Blob);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> create(JS::Realm&, Vector<BlobPart> const& file_bits, DeprecatedString const& file_name, Optional<FilePropertyBag> const& options = {});
static WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> construct_impl(JS::Realm&, Vector<BlobPart> const& file_bits, DeprecatedString const& file_name, Optional<FilePropertyBag> const& options = {});
static WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> create(JS::Realm&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
static WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> construct_impl(JS::Realm&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
virtual ~File() override;
// https://w3c.github.io/FileAPI/#dfn-name
DeprecatedString const& name() const { return m_name; }
String const& name() const { return m_name; }
// https://w3c.github.io/FileAPI/#dfn-lastModified
i64 last_modified() const { return m_last_modified; }
private:
File(JS::Realm&, ByteBuffer, DeprecatedString file_name, DeprecatedString type, i64 last_modified);
File(JS::Realm&, ByteBuffer, String file_name, String type, i64 last_modified);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
DeprecatedString m_name;
String m_name;
i64 m_last_modified { 0 };
};

2
Userland/Libraries/LibWeb/FileAPI/File.idl
View file

@ -1,6 +1,6 @@
#import <FileAPI/Blob.idl>
[Exposed=(Window,Worker), Serializable]
[Exposed=(Window,Worker), Serializable, UseNewAKString]
interface File : Blob {
constructor(sequence<BlobPart> fileBits, USVString fileName, optional FilePropertyBag options = {});

6
Userland/Libraries/LibWeb/HTML/FormControlInfrastructure.cpp
View file

@ -36,7 +36,7 @@ WebIDL::ExceptionOr<XHR::FormDataEntry> create_entry(JS::Realm& realm, String co
name_attribute = filename.value();
else
name_attribute = TRY_OR_THROW_OOM(vm, "blob"_string);
return JS::make_handle(TRY(FileAPI::File::create(realm, { JS::make_handle(*blob) }, name_attribute.to_deprecated_string(), {})));
return JS::make_handle(TRY(FileAPI::File::create(realm, { JS::make_handle(*blob) }, move(name_attribute), {})));
}));
// 4. Return an entry whose name is name and whose value is value.
@ -130,8 +130,8 @@ WebIDL::ExceptionOr<Optional<Vector<XHR::FormDataEntry>>> construct_entry_list(J
// 1. If there are no selected files, then create an entry with name and a new File object with an empty name, application/octet-stream as type, and an empty body, and append it to entry list.
if (file_element->files()->length() == 0) {
FileAPI::FilePropertyBag options {};
options.type = "application/octet-stream";
auto file = TRY(FileAPI::File::create(realm, {}, "", options));
options.type = TRY_OR_THROW_OOM(vm, "application/octet-stream"_string);
auto file = TRY(FileAPI::File::create(realm, {}, String {}, options));
TRY_OR_THROW_OOM(vm, entry_list.try_append(XHR::FormDataEntry { .name = move(name), .value = JS::make_handle(file) }));
}
// 2. Otherwise, for each file in selected files, create an entry with name and a File object representing the file, and append it to entry list.

5
Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
View file

@ -3,7 +3,7 @@
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
* Copyright (c) 2022, Ali Mohammad Pur <mpfard@serenityos.org>
* Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
* Copyright (c) 2022-2023, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -161,7 +161,8 @@ WebIDL::ExceptionOr<JS::Value> XMLHttpRequest::response()
}
// 6. Otherwise, if this’s response type is "blob", set this’s response object to a new Blob object representing this’s received bytes with type set to the result of get a final MIME type for this.
else if (m_response_type == Bindings::XMLHttpRequestResponseType::Blob) {
auto blob_part = TRY(FileAPI::Blob::create(realm(), m_received_bytes, get_final_mime_type().type()));
auto mime_type_as_string = TRY_OR_THROW_OOM(vm, String::from_deprecated_string(get_final_mime_type().type()));
auto blob_part = TRY(FileAPI::Blob::create(realm(), m_received_bytes, move(mime_type_as_string)));
auto blob = TRY(FileAPI::Blob::create(realm(), Vector<FileAPI::BlobPart> { JS::make_handle(*blob_part) }));
m_response_object = JS::Value(blob.ptr());
}