| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #if defined(STARBOARD) |
| #include "starboard/configuration.h" |
| #endif |
| |
| #if !defined(STARBOARD) || SB_IS(WCHAR_T_UTF32) |
| |
| #include "base/strings/string16.h" |
| |
| #if defined(WCHAR_T_IS_UTF16) && !defined(_AIX) |
| |
| #error This file should not be used on 2-byte wchar_t systems |
| // If this winds up being needed on 2-byte wchar_t systems, either the |
| // definitions below can be used, or the host system's wide character |
| // functions like wmemcmp can be wrapped. |
| |
| #elif defined(WCHAR_T_IS_UTF32) |
| |
| #include <ostream> |
| |
| #include "base/strings/utf_string_conversions.h" |
| #include "starboard/memory.h" |
| |
| namespace base { |
| |
| int c16SbMemoryCompare(const char16* s1, const char16* s2, size_t n) { |
| // We cannot call memcmp because that changes the semantics. |
| while (n-- > 0) { |
| if (*s1 != *s2) { |
| // We cannot use (*s1 - *s2) because char16 is unsigned. |
| return ((*s1 < *s2) ? -1 : 1); |
| } |
| ++s1; |
| ++s2; |
| } |
| return 0; |
| } |
| |
| size_t c16len(const char16* s) { |
| const char16 *s_orig = s; |
| while (*s) { |
| ++s; |
| } |
| return s - s_orig; |
| } |
| |
| const char16* c16SbMemoryFindByte(const char16* s, char16 c, size_t n) { |
| while (n-- > 0) { |
| if (*s == c) { |
| return s; |
| } |
| ++s; |
| } |
| return nullptr; |
| } |
| |
| char16* c16SbMemoryMove(char16* s1, const char16* s2, size_t n) { |
| return static_cast<char16*>(memmove(s1, s2, n * sizeof(char16))); |
| } |
| |
| char16* c16SbMemoryCopy(char16* s1, const char16* s2, size_t n) { |
| return static_cast<char16*>(memcpy(s1, s2, n * sizeof(char16))); |
| } |
| |
| char16* c16SbMemorySet(char16* s, char16 c, size_t n) { |
| char16 *s_orig = s; |
| while (n-- > 0) { |
| *s = c; |
| ++s; |
| } |
| return s_orig; |
| } |
| |
| namespace string16_internals { |
| |
| std::ostream& operator<<(std::ostream& out, const string16& str) { |
| return out << UTF16ToUTF8(str); |
| } |
| |
| void PrintTo(const string16& str, std::ostream* out) { |
| *out << str; |
| } |
| |
| } // namespace string16_internals |
| |
| } // namespace base |
| |
| template class std:: |
| basic_string<base::char16, base::string16_internals::string16_char_traits>; |
| |
| #endif // WCHAR_T_IS_UTF32 |
| |
| #endif // !STARBOARD || WCHAR_T_IS_UTF32 |