| From 9713832a39df1c7257af71cd38195e62768c1229 Mon Sep 17 00:00:00 2001 |
| From: David 'Digit' Turner <digit@google.com> |
| Date: Tue, 9 Jul 2013 23:20:03 +0200 |
| Subject: android: Add locale support. |
| |
| This is based on the Bionic <ctype.h> declarations. Note that |
| unfortunately, the _ctype_ table exposed by this header has a bug |
| so a fixed copy is included here instead. |
| |
| See src/support/android/locale_android.cpp for details. |
| --- |
| include/__locale | 17 +++++- |
| src/locale.cpp | 25 +++++++- |
| src/support/android/locale_android.cpp | 101 +++++++++++++++++++++++++++++++++ |
| 3 files changed, 140 insertions(+), 3 deletions(-) |
| create mode 100644 src/support/android/locale_android.cpp |
| |
| diff --git a/include/__locale b/include/__locale |
| index 24d565b..954e7f5 100644 |
| --- a/include/__locale |
| +++ b/include/__locale |
| @@ -369,7 +369,20 @@ public: |
| static const mask punct = _ISPUNCT; |
| static const mask xdigit = _ISXDIGIT; |
| static const mask blank = _ISBLANK; |
| -#else // __GLIBC__ || _WIN32 || __APPLE__ || __FreeBSD__ || EMSCRIPTEN || __sun__ |
| +#elif defined(__ANDROID__) |
| + typedef unsigned short mask; |
| + static const mask space = _S; |
| + static const mask print = _P | _U | _L | _N | _B; |
| + static const mask cntrl = _C; |
| + static const mask upper = _U; |
| + static const mask lower = _L; |
| + static const mask alpha = _U | _L; |
| + static const mask digit = _N; |
| + static const mask punct = _P; |
| + static const mask xdigit = _N | _X; |
| + // See src/support/android/locale_android.cpp for details! |
| + static const mask blank = 0x100; |
| +#else // __ANDROID__ |
| typedef unsigned long mask; |
| static const mask space = 1<<0; |
| static const mask print = 1<<1; |
| @@ -381,7 +394,7 @@ public: |
| static const mask punct = 1<<7; |
| static const mask xdigit = 1<<8; |
| static const mask blank = 1<<9; |
| -#endif // __GLIBC__ || _WIN32 || __APPLE__ || __FreeBSD__ |
| +#endif // __GLIBC__ || _WIN32 || __APPLE__ || __FreeBSD__ || EMSCRIPTEN || __sun__ || __ANDROID__ |
| static const mask alnum = alpha | digit; |
| static const mask graph = alnum | punct; |
| |
| diff --git a/src/locale.cpp b/src/locale.cpp |
| index 49c1cf2..25ac0a4 100644 |
| --- a/src/locale.cpp |
| +++ b/src/locale.cpp |
| @@ -788,6 +788,8 @@ ctype<wchar_t>::do_toupper(char_type c) const |
| return isascii(c) ? _DefaultRuneLocale.__mapupper[c] : c; |
| #elif defined(__GLIBC__) || defined(EMSCRIPTEN) |
| return isascii(c) ? ctype<char>::__classic_upper_table()[c] : c; |
| +#elif defined(__ANDROID__) |
| + return isascii(c) ? _toupper_tab_[c + 1] : c; |
| #else |
| return (isascii(c) && iswlower_l(c, __cloc())) ? c-L'a'+L'A' : c; |
| #endif |
| @@ -802,6 +804,8 @@ ctype<wchar_t>::do_toupper(char_type* low, const char_type* high) const |
| #elif defined(__GLIBC__) || defined(EMSCRIPTEN) |
| *low = isascii(*low) ? ctype<char>::__classic_upper_table()[*low] |
| : *low; |
| +#elif defined(__ANDROID__) |
| + *low = isascii(*low) ? _toupper_tab_[*low + 1] : *low; |
| #else |
| *low = (isascii(*low) && islower_l(*low, __cloc())) ? (*low-L'a'+L'A') : *low; |
| #endif |
| @@ -815,6 +819,8 @@ ctype<wchar_t>::do_tolower(char_type c) const |
| return isascii(c) ? _DefaultRuneLocale.__maplower[c] : c; |
| #elif defined(__GLIBC__) || defined(EMSCRIPTEN) |
| return isascii(c) ? ctype<char>::__classic_lower_table()[c] : c; |
| +#elif defined(__ANDROID__) |
| + return isascii(c) ? _tolower_tab_[c + 1] : c; |
| #else |
| return (isascii(c) && isupper_l(c, __cloc())) ? c-L'A'+'a' : c; |
| #endif |
| @@ -829,6 +835,8 @@ ctype<wchar_t>::do_tolower(char_type* low, const char_type* high) const |
| #elif defined(__GLIBC__) || defined(EMSCRIPTEN) |
| *low = isascii(*low) ? ctype<char>::__classic_lower_table()[*low] |
| : *low; |
| +#elif defined(__ANDROID__) |
| + *low = isascii(*low) ? _tolower_tab_[*low] : *low; |
| #else |
| *low = (isascii(*low) && isupper_l(*low, __cloc())) ? *low-L'A'+L'a' : *low; |
| #endif |
| @@ -896,6 +904,8 @@ ctype<char>::do_toupper(char_type c) const |
| #elif defined(__GLIBC__) || defined(EMSCRIPTEN) |
| return isascii(c) ? |
| static_cast<char>(__classic_upper_table()[static_cast<size_t>(c)]) : c; |
| +#elif defined(__ANDROID__) |
| + return isascii(c) ? _toupper_tab_[c + 1] : c; |
| #else |
| return (isascii(c) && islower_l(c, __cloc())) ? c-'a'+'A' : c; |
| #endif |
| @@ -911,6 +921,8 @@ ctype<char>::do_toupper(char_type* low, const char_type* high) const |
| #elif defined(__GLIBC__) || defined(EMSCRIPTEN) |
| *low = isascii(*low) ? |
| static_cast<char>(__classic_upper_table()[static_cast<size_t>(*low)]) : *low; |
| +#elif defined(__ANDROID__) |
| + *low = isascii(*low) ? _toupper_tab_[*low + 1] : *low; |
| #else |
| *low = (isascii(*low) && islower_l(*low, __cloc())) ? *low-'a'+'A' : *low; |
| #endif |
| @@ -926,6 +938,8 @@ ctype<char>::do_tolower(char_type c) const |
| #elif defined(__GLIBC__) || defined(EMSCRIPTEN) |
| return isascii(c) ? |
| static_cast<char>(__classic_lower_table()[static_cast<size_t>(c)]) : c; |
| +#elif defined(__ANDROID__) |
| + return isascii(c) ? _tolower_tab_[c + 1] : c; |
| #else |
| return (isascii(c) && isupper_l(c, __cloc())) ? c-'A'+'a' : c; |
| #endif |
| @@ -939,6 +953,8 @@ ctype<char>::do_tolower(char_type* low, const char_type* high) const |
| *low = isascii(*low) ? static_cast<char>(_DefaultRuneLocale.__maplower[static_cast<ptrdiff_t>(*low)]) : *low; |
| #elif defined(__GLIBC__) || defined(EMSCRIPTEN) |
| *low = isascii(*low) ? static_cast<char>(__classic_lower_table()[static_cast<size_t>(*low)]) : *low; |
| +#elif defined(__ANDROID__) |
| + *low = isascii(*low) ? _tolower_tab_[*low + 1] : *low; |
| #else |
| *low = (isascii(*low) && isupper_l(*low, __cloc())) ? *low-'A'+'a' : *low; |
| #endif |
| @@ -978,12 +994,17 @@ ctype<char>::do_narrow(const char_type* low, const char_type* high, char dfault, |
| return low; |
| } |
| |
| -#ifdef EMSCRIPTEN |
| +#if defined(EMSCRIPTEN) |
| extern "C" const unsigned short ** __ctype_b_loc(); |
| extern "C" const int ** __ctype_tolower_loc(); |
| extern "C" const int ** __ctype_toupper_loc(); |
| #endif |
| |
| +#if defined(__ANDROID__) |
| +// See src/support/android/android_locale.cpp |
| +extern "C" const unsigned short* const _ctype_android; |
| +#endif |
| + |
| const ctype<char>::mask* |
| ctype<char>::classic_table() _NOEXCEPT |
| { |
| @@ -999,6 +1020,8 @@ ctype<char>::classic_table() _NOEXCEPT |
| // going to end up dereferencing it later... |
| #elif defined(EMSCRIPTEN) |
| return *__ctype_b_loc(); |
| +#elif defined(__ANDROID__) |
| + return _ctype_android; |
| #else |
| // Platform not supported: abort so the person doing the port knows what to |
| // fix |
| diff --git a/src/support/android/locale_android.cpp b/src/support/android/locale_android.cpp |
| new file mode 100644 |
| index 0000000..81c3b28 |
| --- /dev/null |
| +++ b/src/support/android/locale_android.cpp |
| @@ -0,0 +1,101 @@ |
| +// -*- C++ -*- |
| +//===-------------------- support/win32/locale_win32.cpp ------------------===// |
| +// |
| +// The LLVM Compiler Infrastructure |
| +// |
| +// This file is dual licensed under the MIT and the University of Illinois Open |
| +// Source Licenses. See LICENSE.TXT for details. |
| +// |
| +//===----------------------------------------------------------------------===// |
| + |
| +#include <ctype.h> |
| + |
| +// Bionic exports the non-standard _ctype_ array in <ctype.h>, |
| +// unfortunately, cannot be used directly for libc++ because it doesn't |
| +// have a proper bit-flag for blank characters. |
| +// |
| +// Note that the header does define a _B flag (as 0x80), but it |
| +// is only set on the space (32) character, and used to implement |
| +// isprint() properly. The implementation of isblank() relies on |
| +// direct comparisons with 7 and 32 instead. |
| +// |
| +// The following is a local copy of the Bionic _ctype_ array that has |
| +// been modified in the following way: |
| +// |
| +// - It stores 16-bit unsigned values, instead of 8-bit char ones. |
| +// |
| +// - Bit flag _BLANK (0x100) is used to indicate blank characters. |
| +// It is only set for indices 7 (TAB) and 32 (SPACE). |
| +// |
| +// - Support signed char properly for indexing. |
| + |
| +// Used to tag blank characters, this doesn't appear in <ctype.h> nor |
| +// the original Bionic _ctype_ array. |
| +#define _BLANK 0x100 |
| + |
| +// NOTE: A standalone forward declaration is required to ensure that this |
| +// variable is properly exported with a C name. In other words, this does |
| +// _not_ work: |
| +// |
| +// extern "C" { |
| +// const char* const _ctype_android = ...; |
| +// } |
| +// |
| +extern "C" const unsigned short* const _ctype_android; |
| + |
| +static const unsigned short ctype_android_tab[256+128] = { |
| + /* -128..-1 */ |
| + _C, _C, _C, _C, _C, _C, _C, _C, /* 80 */ |
| + _C, _C, _C, _C, _C, _C, _C, _C, /* 88 */ |
| + _C, _C, _C, _C, _C, _C, _C, _C, /* 90 */ |
| + _C, _C, _C, _C, _C, _C, _C, _C, /* 98 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* A0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* A8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* B0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* B8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* C0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* C8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* D0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* D8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* E0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* E8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* F0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* F8 */ |
| + /* 0..127 */ |
| + _C, _C, _C, _C, _C, _C, _C, _C|_BLANK, |
| + _C, _C|_S, _C|_S, _C|_S, _C|_S, _C|_S, _C, _C, |
| + _C, _C, _C, _C, _C, _C, _C, _C, |
| + _C, _C, _C, _C, _C, _C, _C, _C, |
| + _S|_B|_BLANK, _P, _P, _P, _P, _P, _P, _P, |
| + _P, _P, _P, _P, _P, _P, _P, _P, |
| + _N, _N, _N, _N, _N, _N, _N, _N, |
| + _N, _N, _P, _P, _P, _P, _P, _P, |
| + _P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U, |
| + _U, _U, _U, _U, _U, _U, _U, _U, |
| + _U, _U, _U, _U, _U, _U, _U, _U, |
| + _U, _U, _U, _P, _P, _P, _P, _P, |
| + _P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L, |
| + _L, _L, _L, _L, _L, _L, _L, _L, |
| + _L, _L, _L, _L, _L, _L, _L, _L, |
| + /* determine printability based on the IS0 8859 8-bit standard */ |
| + _L, _L, _L, _P, _P, _P, _P, _C, |
| + /* 128..255, same as -128..127 */ |
| + _C, _C, _C, _C, _C, _C, _C, _C, /* 80 */ |
| + _C, _C, _C, _C, _C, _C, _C, _C, /* 88 */ |
| + _C, _C, _C, _C, _C, _C, _C, _C, /* 90 */ |
| + _C, _C, _C, _C, _C, _C, _C, _C, /* 98 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* A0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* A8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* B0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* B8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* C0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* C8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* D0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* D8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* E0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* E8 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* F0 */ |
| + _P, _P, _P, _P, _P, _P, _P, _P, /* F8 */ |
| +}; |
| + |
| +const unsigned short* const _ctype_android = ctype_android_tab + 128; |
| -- |
| 1.7.12.146.g16d26b1 |
| |
