57 lines
1.3 KiB
OpenEdge ABL
57 lines
1.3 KiB
OpenEdge ABL
/* ------------------------------------------------------------
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* SWIG library containing argc and argv multi-argument typemaps
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Use it as follows:
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%apply (int ARGC, char **ARGV) { (size_t argc, const char **argv) }
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extern int mainApp(size_t argc, const char **argv);
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then from lua:
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args = { "arg0", "arg1" }
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mainApp(args)
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* ------------------------------------------------------------ */
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%{
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SWIGINTERN int SWIG_argv_size(lua_State* L, int index) {
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int n=0;
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while(1){
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lua_rawgeti(L,index,n+1);
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if (lua_isnil(L,-1))
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break;
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++n;
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lua_pop(L,1);
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}
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lua_pop(L,1);
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return n;
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}
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%}
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%typemap(in) (int ARGC, char **ARGV) {
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if (lua_istable(L,$input)) {
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int i, size = SWIG_argv_size(L,$input);
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$1 = ($1_ltype) size;
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$2 = (char **) malloc((size+1)*sizeof(char *));
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for (i = 0; i < size; i++) {
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lua_rawgeti(L,$input,i+1);
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if (lua_isnil(L,-1))
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break;
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$2[i] = (char *)lua_tostring(L, -1);
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lua_pop(L,1);
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}
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$2[i]=NULL;
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} else {
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$1 = 0; $2 = 0;
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lua_pushstring(L,"Expecting argv array");
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lua_error(L);
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}
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}
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%typemap(typecheck, precedence=SWIG_TYPECHECK_STRING_ARRAY) (int ARGC, char **ARGV) {
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$1 = lua_istable(L,$input);
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}
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%typemap(freearg) (int ARGC, char **ARGV) {
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free((char *) $2);
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}
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