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46 lines
1.2 KiB
46 lines
1.2 KiB
/* ----------------------------------------------------------------------------- |
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* See the LICENSE file for information on copyright, usage and redistribution |
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* of SWIG, and the README file for authors - http://www.swig.org/release.html. |
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* |
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* wchar.i |
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* |
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* Typemaps for the wchar_t type |
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* These are mapped to a Lua string and are passed around by value. |
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* |
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* ----------------------------------------------------------------------------- */ |
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// note: only support for pointer right now, not fixed length strings |
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// TODO: determine how long a const wchar_t* is so we can write wstr2str() |
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// & do the output typemap |
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%{ |
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#include <stdlib.h> |
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wchar_t* str2wstr(const char* str, int len) |
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{ |
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wchar_t* p; |
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if (str==0 || len<1) return 0; |
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p=(wchar*)malloc((len+1)*sizeof(wchar_t)); |
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if (p==0) return 0; |
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if (mbstowcs(p, str, len)==-1) |
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{ |
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free(p); |
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return 0; |
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} |
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p[len]=0; |
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return p; |
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} |
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%} |
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%typemap( in, checkfn="lua_isstring" ) wchar_t* |
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%{ |
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$1 = str2wstr(lua_tostring( L, $input ),lua_strlen( L, $input )); |
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if ($1==0) {lua_pushfstring(L,"Error in converting to wchar (arg %d)",$input);goto fail;} |
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%} |
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%typemap( freearg ) wchar_t* |
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%{ |
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free($1); |
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%} |
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%typemap(typecheck) wchar_t * = char *; |