Source/core/frame/DOMWindowBase64.cpp - Issue 138223002: WIP: Implement binding layer for Blink-in-JavaScript

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Issue 138223002: WIP: Implement binding layer for Blink-in-JavaScript Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 11 months ago

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1 /*

2 * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.

3 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)

4 * Copyright (C) 2013 Samsung Electronics. All rights reserved.

5 *

6 * Redistribution and use in source and binary forms, with or without

7 * modification, are permitted provided that the following conditions are

8 * met:

9 *

10 * * Redistributions of source code must retain the above copyright

11 * notice, this list of conditions and the following disclaimer.

12 * * Redistributions in binary form must reproduce the above

13 * copyright notice, this list of conditions and the following disclaimer

14 * in the documentation and/or other materials provided with the

15 * distribution.

16 * * Neither the name of Google Inc. nor the names of its

17 * contributors may be used to endorse or promote products derived from

18 * this software without specific prior written permission.

19 *

20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

31 */

32

33 #include "config.h"

34 #include "core/frame/DOMWindowBase64.h"

35

36 #include "bindings/v8/ExceptionState.h"

37 #include "core/dom/ExceptionCode.h"

38 #include "core/html/parser/HTMLParserIdioms.h"

39 #include "wtf/text/Base64.h"

40

41 namespace WebCore {

42

43 namespace DOMWindowBase64 {

44

45 String btoa(void*, const String& stringToEncode, ExceptionState& exceptionState)

46 {

47 if (stringToEncode.isNull())

48 return String();

49

50 if (!stringToEncode.containsOnlyLatin1()) {

51 exceptionState.throwDOMException(InvalidCharacterError, "The string to b e encoded contains characters outside of the Latin1 range.");

52 return String();

53 }

54

55 return base64Encode(stringToEncode.latin1());

56 }

57

58 String atob(void*, const String& encodedString, ExceptionState& exceptionState)

59 {

60 if (encodedString.isNull())

61 return String();

62

63 if (!encodedString.containsOnlyLatin1()) {

64 exceptionState.throwDOMException(InvalidCharacterError, "The string to b e decoded contains characters outside of the Latin1 range.");

65 return String();

66 }

67 Vector<char> out;

68 if (!base64Decode(encodedString, out, isHTMLSpace<UChar>, Base64ValidatePadd ing)) {

69 exceptionState.throwDOMException(InvalidCharacterError, "The string to b e decoded is not correctly encoded.");

70 return String();

71 }

72

73 return String(out.data(), out.size());

74 }

75

76 } // namespace DOMWindowBase64

77

78 } // namespace WebCore

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