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author | mmentovai@google.com <mmentovai@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-08-27 20:57:35 +0000 |
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committer | mmentovai@google.com <mmentovai@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-08-27 20:57:35 +0000 |
commit | d13701900a71240fe1b4074b778133ba9a3461e9 (patch) | |
tree | 3ca3fd78ec07a47dcc2cad83defb977b0ad61e81 /base/string_util_icu.cc | |
parent | b8c87bb8ea9f514a8f09a0f2154f8469ba7faf00 (diff) | |
download | chromium_src-d13701900a71240fe1b4074b778133ba9a3461e9.zip chromium_src-d13701900a71240fe1b4074b778133ba9a3461e9.tar.gz chromium_src-d13701900a71240fe1b4074b778133ba9a3461e9.tar.bz2 |
Move std::string16 to base::string16. Don't pollute the std namespace. Don't
assume that all string types can be represented as std::basic_string<CHAR>.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@1464 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/string_util_icu.cc')
-rw-r--r-- | base/string_util_icu.cc | 58 |
1 files changed, 27 insertions, 31 deletions
diff --git a/base/string_util_icu.cc b/base/string_util_icu.cc index 1c15062..2287ba5 100644 --- a/base/string_util_icu.cc +++ b/base/string_util_icu.cc @@ -80,7 +80,7 @@ bool ReadUnicodeCharacter(const wchar_t* src, int32 src_len, // WriteUnicodeCharacter ------------------------------------------------------- // Appends a UTF-8 character to the given 8-bit string. -void WriteUnicodeCharacter(uint32 code_point, std::basic_string<char>* output) { +void WriteUnicodeCharacter(uint32 code_point, std::string* output) { if (code_point <= 0x7f) { // Fast path the common case of one byte. output->push_back(code_point); @@ -99,8 +99,7 @@ void WriteUnicodeCharacter(uint32 code_point, std::basic_string<char>* output) { } // Appends the given code point as a UTF-16 character to the STL string. -void WriteUnicodeCharacter(uint32 code_point, - std::basic_string<char16>* output) { +void WriteUnicodeCharacter(uint32 code_point, string16* output) { if (U16_LENGTH(code_point) == 1) { // Thie code point is in the Basic Multilingual Plane (BMP). output->push_back(static_cast<char16>(code_point)); @@ -114,8 +113,7 @@ void WriteUnicodeCharacter(uint32 code_point, #if defined(WCHAR_T_IS_UTF32) // Appends the given UTF-32 character to the given 32-bit string. -inline void WriteUnicodeCharacter(uint32 code_point, - std::basic_string<wchar_t>* output) { +inline void WriteUnicodeCharacter(uint32 code_point, std::wstring* output) { // This is the easy case, just append the character. output->push_back(code_point); } @@ -127,9 +125,8 @@ inline void WriteUnicodeCharacter(uint32 code_point, // Unicode character type as a STL string. The given input buffer and size // determine the source, and the given output STL string will be replaced by // the result. -template<typename SRC_CHAR, typename DEST_CHAR> -bool ConvertUnicode(const SRC_CHAR* src, size_t src_len, - std::basic_string<DEST_CHAR>* output) { +template<typename SRC_CHAR, typename DEST_STRING> +bool ConvertUnicode(const SRC_CHAR* src, size_t src_len, DEST_STRING* output) { output->clear(); // ICU requires 32-bit numbers. @@ -164,9 +161,8 @@ void ReserveUTF8Output(const CHAR* src, size_t src_len, std::string* output) { // Guesses the size of the output buffer (containing either UTF-16 or -32 data) // given some UTF-8 input that will be converted to it. See ReserveUTF8Output. // We assume the source length is > 0. -template<typename CHAR> -void ReserveUTF16Or32Output(const char* src, size_t src_len, - std::basic_string<CHAR>* output) { +template<typename STRING> +void ReserveUTF16Or32Output(const char* src, size_t src_len, STRING* output) { if (static_cast<unsigned char>(src[0]) < 0x80) { // Assume the input is all ASCII, which means 1:1 correspondence. output->reserve(src_len); @@ -199,7 +195,7 @@ bool WideToUTF8(const wchar_t* src, size_t src_len, std::string* output) { } ReserveUTF8Output(src, src_len, output); - return ConvertUnicode<wchar_t, char>(src, src_len, output); + return ConvertUnicode<wchar_t, std::string>(src, src_len, output); } std::wstring UTF8ToWide(const std::string& utf8) { @@ -218,7 +214,7 @@ bool UTF8ToWide(const char* src, size_t src_len, std::wstring* output) { } ReserveUTF16Or32Output(src, src_len, output); - return ConvertUnicode<char, wchar_t>(src, src_len, output); + return ConvertUnicode<char, std::wstring>(src, src_len, output); } // UTF-16 <-> Wide ------------------------------------------------------------- @@ -226,16 +222,16 @@ bool UTF8ToWide(const char* src, size_t src_len, std::wstring* output) { #if defined(WCHAR_T_IS_UTF16) // When wide == UTF-16, then conversions are a NOP. -std::string16 WideToUTF16(const std::wstring& wide) { +string16 WideToUTF16(const std::wstring& wide) { return wide; } -bool WideToUTF16(const wchar_t* src, size_t src_len, std::string16* output) { +bool WideToUTF16(const wchar_t* src, size_t src_len, string16* output) { output->assign(src, src_len); return true; } -std::wstring UTF16ToWide(const std::string16& utf16) { +std::wstring UTF16ToWide(const string16& utf16) { return utf16; } @@ -246,8 +242,8 @@ bool UTF16ToWide(const char16* src, size_t src_len, std::wstring* output) { #elif defined(WCHAR_T_IS_UTF32) -std::string16 WideToUTF16(const std::wstring& wide) { - std::string16 ret; +string16 WideToUTF16(const std::wstring& wide) { + string16 ret; if (wide.empty()) return ret; @@ -255,7 +251,7 @@ std::string16 WideToUTF16(const std::wstring& wide) { return ret; } -bool WideToUTF16(const wchar_t* src, size_t src_len, std::string16* output) { +bool WideToUTF16(const wchar_t* src, size_t src_len, string16* output) { if (src_len == 0) { output->clear(); return true; @@ -264,10 +260,10 @@ bool WideToUTF16(const wchar_t* src, size_t src_len, std::string16* output) { // Assume that normally we won't have any non-BMP characters so the counts // will be the same. output->reserve(src_len); - return ConvertUnicode<wchar_t, char16>(src, src_len, output); + return ConvertUnicode<wchar_t, string16>(src, src_len, output); } -std::wstring UTF16ToWide(const std::string16& utf16) { +std::wstring UTF16ToWide(const string16& utf16) { std::wstring ret; if (utf16.empty()) return ret; @@ -285,7 +281,7 @@ bool UTF16ToWide(const char16* src, size_t src_len, std::wstring* output) { // Assume that normally we won't have any non-BMP characters so the counts // will be the same. output->reserve(src_len); - return ConvertUnicode<char16, wchar_t>(src, src_len, output); + return ConvertUnicode<char16, std::wstring>(src, src_len, output); } #endif // defined(WCHAR_T_IS_UTF32) @@ -294,18 +290,18 @@ bool UTF16ToWide(const char16* src, size_t src_len, std::wstring* output) { #if defined(WCHAR_T_IS_UTF32) -bool UTF8ToUTF16(const char* src, size_t src_len, std::string16* output) { +bool UTF8ToUTF16(const char* src, size_t src_len, string16* output) { if (src_len == 0) { output->clear(); return true; } ReserveUTF16Or32Output(src, src_len, output); - return ConvertUnicode<char, char16>(src, src_len, output); + return ConvertUnicode<char, string16>(src, src_len, output); } -std::string16 UTF8ToUTF16(const std::string& utf8) { - std::string16 ret; +string16 UTF8ToUTF16(const std::string& utf8) { + string16 ret; if (utf8.empty()) return ret; @@ -322,10 +318,10 @@ bool UTF16ToUTF8(const char16* src, size_t src_len, std::string* output) { } ReserveUTF8Output(src, src_len, output); - return ConvertUnicode<char16, char>(src, src_len, output); + return ConvertUnicode<char16, std::string>(src, src_len, output); } -std::string UTF16ToUTF8(const std::string16& utf16) { +std::string UTF16ToUTF8(const string16& utf16) { std::string ret; if (utf16.empty()) return ret; @@ -339,11 +335,11 @@ std::string UTF16ToUTF8(const std::string16& utf16) { #elif defined(WCHAR_T_IS_UTF16) // Easy case since we can use the "wide" versions we already wrote above. -bool UTF8ToUTF16(const char* src, size_t src_len, std::string16* output) { +bool UTF8ToUTF16(const char* src, size_t src_len, string16* output) { return UTF8ToWide(src, src_len, output); } -std::string16 UTF8ToUTF16(const std::string& utf8) { +string16 UTF8ToUTF16(const std::string& utf8) { return UTF8ToWide(utf8); } @@ -351,7 +347,7 @@ bool UTF16ToUTF8(const char16* src, size_t src_len, std::string* output) { return WideToUTF8(src, src_len, output); } -std::string UTF16ToUTF8(const std::string16& utf16) { +std::string UTF16ToUTF8(const string16& utf16) { return WideToUTF8(utf16); } |