int Xml_eval(lua_State *L) {
char* str = 0;
size_t str_size=0;
if(lua_isuserdata(L,1)) str = (char*)lua_touserdata(L,1);
else {
const char * sTmp = luaL_checklstring(L,1,&str_size);
str = (char*)malloc(str_size+1);
memcpy(str, sTmp, str_size);
str[str_size]=0;
}
Tokenizer* tok = Tokenizer_new(str, str_size ? str_size : strlen(str));
lua_settop(L,0);
const char* token=0;
int firstStatement = 1;
while((token=Tokenizer_next(tok))!=0) if(token[0]==OPN) { // new tag found
if(lua_gettop(L)) {
int newIndex=lua_objlen(L,-1)+1;
lua_pushnumber(L,newIndex);
lua_newtable(L);
lua_settable(L, -3);
lua_pushnumber(L,newIndex);
lua_gettable(L,-2);
}
else {
if (firstStatement) {
lua_newtable(L);
firstStatement = 0;
}
else return lua_gettop(L);
}
// set metatable:
lua_newtable(L);
lua_pushliteral(L, "__index");
lua_getglobal(L, "xml");
lua_settable(L, -3);
lua_pushliteral(L, "__tostring"); // set __tostring metamethod
lua_getglobal(L, "xml");
lua_pushliteral(L,"str");
lua_gettable(L, -2);
lua_remove(L, -2);
lua_settable(L, -3);
lua_setmetatable(L, -2);
// parse tag and content:
lua_pushnumber(L,0); // use index 0 for storing the tag
lua_pushstring(L, Tokenizer_next(tok));
lua_settable(L, -3);
while(((token = Tokenizer_next(tok))!=0)&&(token[0]!=CLS)&&(token[0]!=ESC)) { // parse tag header
size_t sepPos=find(token, "=", 0);
if(token[sepPos]) { // regular attribute
const char* aVal =token+sepPos+2;
lua_pushlstring(L, token, sepPos);
Xml_pushDecode(L, aVal, strlen(aVal)-1);
lua_settable(L, -3);
}
}
if(!token||(token[0]==ESC)) {
if(lua_gettop(L)>1) lua_settop(L,-2); // this tag has no content, only attributes
else break;
}
}
else if(token[0]==ESC) { // previous tag is over
if(lua_gettop(L)>1) lua_settop(L,-2); // pop current table
else break;
}
else { // read elements
lua_pushnumber(L,lua_objlen(L,-1)+1);
Xml_pushDecode(L, token, 0);
lua_settable(L, -3);
}
Tokenizer_delete(tok);
free(str);
return lua_gettop(L);
}
int Xml_eval(HSQUIRRELVM v) {
SQ_FUNC_VARS_NO_TOP(v);
SQChar* str = 0;
size_t str_size=0;
if(sq_gettype(v,2) == OT_USERPOINTER) sq_getuserpointer(v, 2, &str);
else {
SQ_GET_STRING(v, 2, sTmp);
str = (SQChar*)sq_malloc(sTmp_size+(sizeof(SQChar)));
memcpy(str, sTmp, sTmp_size);
str[sTmp_size]=0;
str_size = sTmp_size;
}
Tokenizer* tok = Tokenizer_new(str, str_size ? str_size : scstrlen(str));
sq_settop(v,0);
const SQChar* token=0;
int firstStatement = 1;
while((token=Tokenizer_next(tok))!=0) if(token[0]==OPN) { // new tag found
if(sq_gettop(v)) {
int newIndex=sq_size(v,-1)+1;
sq_pushinteger(v,newIndex);
sq_newtable(v);
sq_set(v, -3);
sq_pushinteger(v,newIndex);
sq_get(v,-2);
}
else {
if (firstStatement) {
sq_newtable(v);
firstStatement = 0;
}
else return lua_gettop(L);
}
// set metatable:
sq_newtable(v);
sq_pushliteral(v, _SC("__index"));
sq_getglobal(v, "xml");
lua_settable(v, -3);
sq_pushliteral(v, _SC("__tostring")); // set __tostring metamethod
lua_getglobal(L, "xml");
lua_pushliteral(L,"str");
lua_gettable(v, -2);
sq_remove(v, -2);
sq_set(v, -3);
lua_setmetatable(L, -2);
// parse tag and content:
sq_pushinteger(v,0); // use index 0 for storing the tag
sq_pushstring(v, Tokenizer_next(tok), -1);
sq_set(v, -3);
while(((token = Tokenizer_next(tok))!=0)&&(token[0]!=CLS)&&(token[0]!=ESC)) { // parse tag header
size_t sepPos=find(token, "=", 0);
if(token[sepPos]) { // regular attribute
const SQChar* aVal =token+sepPos+2;
sq_pushstring(v, token, sepPos);
size_t lenVal = strlen(aVal)-1;
if(!lenVal) Xml_pushDecode(v, _SC(""), 0);
else Xml_pushDecode(v, aVal, lenVal);
sq_set(v, -3);
}
}
if(!token||(token[0]==ESC)) {
if(sq_gettop(v)>1) sq_settop(v,-2); // this tag has no content, only attributes
else break;
}
}
else if(token[0]==ESC) { // previous tag is over
if(sq_gettop(v)>1) sq_settop(v,-2); // pop current table
else break;
}
else { // read elements
sq_pushinteger(v,sq_size(v,-1)+1);
Xml_pushDecode(v, token, 0);
sq_rawset(v, -3);
}
Tokenizer_delete(tok);
sq_free(str);
return sq_gettop(v);
}
