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| author | dim <dim@FreeBSD.org> | 2012-05-03 16:50:55 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-05-03 16:50:55 +0000 |
| commit | 2c5e9d71aba3b1a85f07c08d2c09d40b8547264b (patch) | |
| tree | 8575c732129e272992ac5d7b4c2519238fff4735 /lib/Support/LocaleXlocale.inc | |
| parent | 1fc08f5e9ef733ef1ce6f363fecedc2260e78974 (diff) | |
| download | FreeBSD-src-2c5e9d71aba3b1a85f07c08d2c09d40b8547264b.zip FreeBSD-src-2c5e9d71aba3b1a85f07c08d2c09d40b8547264b.tar.gz | |
Vendor import of llvm release_31 branch r155985:
http://llvm.org/svn/llvm-project/llvm/branches/release_31@155985
Diffstat (limited to 'lib/Support/LocaleXlocale.inc')
| -rw-r--r-- | lib/Support/LocaleXlocale.inc | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/lib/Support/LocaleXlocale.inc b/lib/Support/LocaleXlocale.inc new file mode 100644 index 0000000..f595e7c --- /dev/null +++ b/lib/Support/LocaleXlocale.inc @@ -0,0 +1,61 @@ +#include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/SmallString.h" +#include "llvm/Support/ManagedStatic.h" +#include <cassert> +#include <xlocale.h> + + +namespace { + struct locale_holder { + locale_holder() + : l(newlocale(LC_CTYPE_MASK,"en_US.UTF-8",LC_GLOBAL_LOCALE)) + { + assert(NULL!=l); + } + ~locale_holder() { + freelocale(l); + } + + int mbswidth(llvm::SmallString<16> s) const { + // this implementation assumes no '\0' in s + assert(s.size()==strlen(s.c_str())); + + size_t size = mbstowcs_l(NULL,s.c_str(),0,l); + assert(size!=(size_t)-1); + if (size==0) + return 0; + llvm::SmallVector<wchar_t,200> ws(size); + size = mbstowcs_l(&ws[0],s.c_str(),ws.size(),l); + assert(ws.size()==size); + return wcswidth_l(&ws[0],ws.size(),l); + } + + int isprint(int c) const { + return iswprint_l(c,l); + } + + private: + + locale_t l; + }; + + llvm::ManagedStatic<locale_holder> l; +} + +namespace llvm { +namespace sys { +namespace locale { + +int columnWidth(StringRef s) { + int width = l->mbswidth(s); + assert(width>=0); + return width; +} + +bool isPrint(int c) { + return l->isprint(c); +} + +} +} +} |
