chrome/browser/sync/util/character_set_converters-win32.cc - Issue 193103: Build sync engine as part of the browser build

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Side by Side Diff: chrome/browser/sync/util/character_set_converters-win32.cc

Issue 193103: Build sync engine as part of the browser build (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/

Patch Set: '' Created 11 years, 3 months ago

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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "chrome/browser/sync/util/character_set_converters.h"

6

7 #include <windows.h>

8

9 #include <string>

10

11 using std::string;

12

13 namespace browser_sync {

14

15 // Converts input_string to UTF8 and appends the result into to output_string.

16 void AppendPathStringToUTF8(const PathChar* wide, int size,

17 string* output_string) {

18 CHECK(output_string);

19 if (0 == size)

20 return;

21

22 int needed_space = ::WideCharToMultiByte(CP_UTF8, 0, wide, size, 0, 0, 0, 0);

23 // TODO(sync): This should flag an error when we move to an api that can let

24 // utf-16 -> utf-8 fail.

25 CHECK(0 != needed_space);

26 string::size_type current_size = output_string->size();

27 output_string->resize(current_size + needed_space);

28 CHECK(0 != ::WideCharToMultiByte(CP_UTF8, 0, wide, size,

29 &(*output_string)[current_size], needed_space, 0, 0));

30 }

31

32 bool AppendUTF8ToPathString(const char* utf8, size_t size,

33 PathString* output_string) {

34 CHECK(output_string);

35 if (0 == size)

36 return true;

37 // TODO(sync): Do we want to force precomposed characters here?

38 int needed_wide_chars = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS,

39 utf8, size, 0, 0);

40 if (0 == needed_wide_chars) {

41 DWORD err = ::GetLastError();

42 if (MB_ERR_INVALID_CHARS == err)

43 return false;

44 CHECK(0 == err);

45 }

46 PathString::size_type current_length = output_string->size();

47 output_string->resize(current_length + needed_wide_chars);

48 CHECK(0 != ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, utf8, size,

49 &(*output_string)[current_length], needed_wide_chars));

50 return true;

51 }

52

53 void TrimPathStringToValidCharacter(PathString* string) {

54 CHECK(string);

55 // Constants from http://en.wikipedia.org/wiki/UTF-16

56 if (string->empty())

57 return;

58 if (0x0dc00 == (string->at(string->length() - 1) & 0x0fc00))

59 string->resize(string->length() - 1);

60 }

61

62 } // namespace browser_sync

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