File: MLSTypeUtils.cpp

package info (click to toggle)
firefox 147.0.2-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,683,484 kB
  • sloc: cpp: 7,607,246; javascript: 6,533,185; ansic: 3,775,227; python: 1,415,393; xml: 634,561; asm: 438,951; java: 186,241; sh: 62,752; makefile: 18,079; objc: 13,092; perl: 12,808; yacc: 4,583; cs: 3,846; pascal: 3,448; lex: 1,720; ruby: 1,003; php: 436; lisp: 258; awk: 247; sql: 66; sed: 54; csh: 10; exp: 6
file content (95 lines) | stat: -rw-r--r-- 3,174 bytes parent folder | download | duplicates (12)
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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/dom/MLSBinding.h"
#include "mozilla/dom/TypedArray.h"
#include "nsTArray.h"

namespace mozilla::dom {

nsTArray<uint8_t> ExtractMLSBytesOrUint8ArrayWithUnknownType(
    const MLSBytesOrUint8Array& aArgument, ErrorResult& aRv) {
  // The data can be in a Uint8Array or MLSBytes.
  const Uint8Array* array = nullptr;

  if (aArgument.IsMLSBytes()) {
    array = &aArgument.GetAsMLSBytes().mContent;
  } else {
    MOZ_ASSERT(aArgument.IsUint8Array());
    array = &aArgument.GetAsUint8Array();
  }

  // Append the data from the Uint8Array to the output array
  nsTArray<uint8_t> bytes;
  if (array && !array->AppendDataTo(bytes)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return nsTArray<uint8_t>();
  }
  return bytes;
}

nsTArray<uint8_t> ExtractMLSBytesOrUint8Array(
    MLSObjectType aExpectedType, const MLSBytesOrUint8Array& aArgument,
    ErrorResult& aRv) {
  // The data can be in a Uint8Array or MLSBytes.
  const Uint8Array* array = nullptr;

  if (aArgument.IsMLSBytes()) {
    // Check if the type of MLSBytes matches the expected type
    if (aArgument.GetAsMLSBytes().mType != aExpectedType) {
      aRv.ThrowTypeError("Input data has an invalid type");
      return nsTArray<uint8_t>();
    }
    array = &aArgument.GetAsMLSBytes().mContent;
  } else {
    MOZ_ASSERT(aArgument.IsUint8Array());
    array = &aArgument.GetAsUint8Array();
  }

  // Append the data from the Uint8Array to the output array
  nsTArray<uint8_t> bytes;
  if (array && !array->AppendDataTo(bytes)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return nsTArray<uint8_t>();
  }
  return bytes;
}

nsTArray<uint8_t> ExtractMLSBytesOrUint8ArrayOrUTF8String(
    MLSObjectType aExpectedType,
    const MLSBytesOrUint8ArrayOrUTF8String& aArgument, ErrorResult& aRv) {
  // The data can be in a Uint8Array, MLSBytes, or UTF8String.
  const Uint8Array* array = nullptr;
  nsTArray<uint8_t> bytes;
  if (aArgument.IsMLSBytes()) {
    // Check if the type of MLSBytes matches the expected type
    if (aArgument.GetAsMLSBytes().mType != aExpectedType) {
      aRv.ThrowTypeError("Input data has an invalid type");
      return nsTArray<uint8_t>();
    }
    array = &aArgument.GetAsMLSBytes().mContent;
  } else if (aArgument.IsUint8Array()) {
    array = &aArgument.GetAsUint8Array();
  } else {
    MOZ_ASSERT(aArgument.IsUTF8String());
    const nsACString& string = aArgument.GetAsUTF8String();
    if (!bytes.AppendElements(string.BeginReading(), string.Length(),
                              fallible)) {
      aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
      return nsTArray<uint8_t>();
    }
    return bytes;
  }

  // Append the data from the Uint8Array to the output array
  if (array && !array->AppendDataTo(bytes)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return nsTArray<uint8_t>();
  }
  return bytes;
}

}  // namespace mozilla::dom