diff options
Diffstat (limited to 'share/swig/2.0.11/lua/wchar.i')
-rw-r--r-- | share/swig/2.0.11/lua/wchar.i | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/share/swig/2.0.11/lua/wchar.i b/share/swig/2.0.11/lua/wchar.i new file mode 100644 index 0000000..141ecc4 --- /dev/null +++ b/share/swig/2.0.11/lua/wchar.i @@ -0,0 +1,42 @@ +/* ----------------------------------------------------------------------------- + * wchar.i + * + * Typemaps for the wchar_t type + * These are mapped to a Lua string and are passed around by value. + * ----------------------------------------------------------------------------- */ + +// note: only support for pointer right now, not fixed length strings +// TODO: determine how long a const wchar_t* is so we can write wstr2str() +// & do the output typemap + +%{ +#include <stdlib.h> + +wchar_t* str2wstr(const char *str, int len) +{ + wchar_t* p; + if (str==0 || len<1) return 0; + p=(wchar *)malloc((len+1)*sizeof(wchar_t)); + if (p==0) return 0; + if (mbstowcs(p, str, len)==-1) + { + free(p); + return 0; + } + p[len]=0; + return p; +} +%} + +%typemap(in, checkfn="SWIG_lua_isnilstring", fragment="SWIG_lua_isnilstring") wchar_t * +%{ +$1 = str2wstr(lua_tostring( L, $input ),lua_rawlen( L, $input )); +if ($1==0) {SWIG_Lua_pushferrstring(L,"Error in converting to wchar (arg %d)",$input);goto fail;} +%} + +%typemap(freearg) wchar_t * +%{ +free($1); +%} + +%typemap(typecheck) wchar_t * = char *; |