1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/FileAPI/File.h>
namespace Web::FileAPI {
File::File(ByteBuffer byte_buffer, String file_name, String type, i64 last_modified)
: Blob(move(byte_buffer), move(type))
, m_name(move(file_name))
, m_last_modified(last_modified)
{
}
// https://w3c.github.io/FileAPI/#ref-for-dom-file-file
DOM::ExceptionOr<NonnullRefPtr<File>> File::create(Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
{
// 1. Let bytes be the result of processing blob parts given fileBits and options.
auto bytes = TRY_OR_RETURN_OOM(process_blob_parts(file_bits, static_cast<Optional<BlobPropertyBag> const&>(*options)));
// 2. Let n be the fileName argument to the constructor.
// 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 = String::empty();
i64 last_modified = 0;
// 3. Process FilePropertyBag dictionary argument by running the following substeps:
if (options.has_value()) {
// 1. If the type member is provided and is not the empty string, let t be set to the type dictionary member.
// If t contains any characters outside the range U+0020 to U+007E, then set t to the empty string and return from these substeps.
// NOTE: t is set to empty string at declaration.
if (!options->type.is_empty()) {
if (is_basic_latin(options->type))
type = options->type;
}
// 2. Convert every character in t to ASCII lowercase.
if (!type.is_empty())
type = options->type.to_lowercase();
// 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].
last_modified = options->last_modified.has_value() ? options->last_modified.value() : Time::now_realtime().to_milliseconds();
}
// 4. Return a new File object F such that:
// 2. F refers to the bytes byte sequence.
// NOTE: Spec started at 2 therefore keeping the same number sequence here.
// 3. F.size is set to the number of total bytes in bytes.
// 4. F.name is set to n.
// 5. F.type is set to t.
// 6. F.lastModified is set to d.
return adopt_ref(*new File(move(bytes), move(name), move(type), last_modified));
}
DOM::ExceptionOr<NonnullRefPtr<File>> File::create_with_global_object(Bindings::WindowObject&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
{
return create(file_bits, file_name, options);
}
}
|
