static Value
_lib_typeof(VMState *vm, Value value)
{
Hash *args = value_to_ptr(value);
Value query_val = hash_find(args, 1);
if (value_is_int(query_val)) {
return cvm_get_cstring_value(vm, "integer");
}
else if (value_is_string(query_val)) {
return cvm_get_cstring_value(vm, "string");
}
else if (value_is_null(query_val)) {
return cvm_get_cstring_value(vm, "null");
}
else if (value_is_undefined(query_val)) {
return cvm_get_cstring_value(vm, "undefined");
}
else {
Hash *hash = value_to_ptr(query_val);
while (hash->type == HT_REDIRECT) hash = (Hash*)hash->size;
assert(hash->type != HT_GC_LEFT);
switch (hash->type) {
case HT_OBJECT: return cvm_get_cstring_value(vm, "object");
case HT_ARRAY: return cvm_get_cstring_value(vm, "array");
case HT_LIGHTFUNC: return cvm_get_cstring_value(vm, "light_function");
case HT_CLOSURE: return cvm_get_cstring_value(vm, "closure");
case HT_USERDATA: return cvm_get_cstring_value(vm, "userdata");
default: assert(0); return value_undefined();
}
}
}
static Value
_lib_to_string(VMState *vm, Value value)
{
Hash *args = value_to_ptr(value);
Value query_val = hash_find(args, 1);
if (value_is_int(query_val)) {
char buffer[30];
sprintf(buffer, "%d", value_to_int(query_val));
return cvm_get_cstring_value(vm, buffer);
}
else {
return _lib_typeof(vm, value);
}
}
static Value
_lib_print(VMState *vm, Value value)
{
Hash *args = value_to_ptr(value);
for (uintptr_t i = 1; i < hash_size(args); ++i) {
Value val = hash_find(args, i);
if (value_is_int(val)) {
printf("%d", value_to_int(val));
}
else {
CString *string = value_to_string(val);
printf("%.*s", string->length, string->content);
}
}
return value_undefined();
}
int main() {
ScanState *ts;
char buff[BUFSZ];
double values[100];
ts = scan_new_from_file("test1.dat");
scan_numbers_fun(ts,dump,NULL);
// scan_numbers goes over the whole stream;
// using scan_next_line can make it work over current line
set (ts,scan_new_from_file("test1.dat"));
while (scan_next_line(ts)) {
int n = scan_numbers(ts,values,100);
dumpall(values,n);
}
set(ts,scan_new_from_string("hello = (10,20,30)"));
puts(scan_next_iden(ts,buff,BUFSZ));
printf("%c \n",scan_next(ts));
// after this, next call to scan_next will return this token again
if (scan_next(ts) == '(') {
scan_push_back(ts);
}
while (scan_next(ts)) {
printf("%d \n",ts->type);
}
// words, strings and numbers
set(ts,scan_new_from_string("here 'we go' again 10 "));
while (scan_next(ts)) {
// this gives us a properly ref-counted string...
char *str = scan_get_str(ts);
printf("%d '%s'\n",ts->type,str);
unref(str);
}
// extracting C strings from this file
set(ts,scan_new_from_file("test-scan.c"));
// set this if you want to decode C string escapes
// scan_set_flags(ts,C_STRING);
if (ts) {
while (scan_next(ts)) {
if (ts->type == T_STRING) {
scan_get_tok(ts,buff,BUFSZ);
printf("string '%s'\n",buff);
}
}
}
set(ts,scan_new_from_file("test.cfg"));
scan_set_line_comment(ts,"#");
while (scan_next(ts)) {
scan_get_tok(ts,buff,BUFSZ);
printf("key %s ",buff);
scan_next(ts);
scan_get_line(ts,buff,BUFSZ);
printf("value '%s'\n",buff);
}
////// scan_scanf //////
const char *xml = "<boo a='woo' b='doll'>bonzo dog <(10,20,30),(1,2,3);";
set(ts, scan_new_from_string(xml));
//scan_set_flags(ts,C_NUMBER) is currently not consistent with scan_scanf!
char *tag, *attrib, *value;
scan_scanf(ts,"<%s",&tag);
// %s is any iden, and %q is a _quoted_ string
while (scan_scanf(ts,"%s=%q",&attrib,&value)) {
printf("tag '%s' attrib '%s' value '%s'\n",tag,attrib,value);
dispose(attrib,value);
}
dispose(tag);
assert(ts->type == '>');
scan_get_upto(ts,"<",buff,BUFSZ);
scan_advance(ts,-1);
printf("got '%s' (%c)\n",buff,scan_getch(ts));
int i,j,k;
char ch;
// %d, %f and %c are what you expect...
while (scan_scanf(ts,"(%d,%d,%d)%c",&i,&j,&k,&ch) && (ch == ',' || ch == ';'))
printf("values %d %d %d\n",i,j,k);
assert(ts->type == ';');
// %l means rest of current line...
const char *config_data = "A=cool stuff\nB=necessary nonsense\nC=10,20\n";
set(ts,scan_new_from_string(config_data));
char *key, *v;
while (scan_scanf(ts,"%s=%l",&key,&v)) {
printf("%s='%s'\n",key,v);
dispose(key,v);
}
// %v means read next token as a Value
config_data = "alpha=1 beta=2 gamma=hello delta='frodo'";
PValue val;
set(ts,scan_new_from_string(config_data));
while (scan_scanf(ts,"%s=%v",&key,&val)) {
printf("%s=",key);
if (value_is_string(val))
printf("'%s'\n",(char*)val);
else if (value_is_int(val))
printf("%d\n",(int)*(intptr_t*)val);
dispose(key,val);
}
unref(ts);
printf("kount = %d\n",obj_kount());
}