add array helpers

Sigrid Haflínudóttir committed 6 years ago

Commit d613b761 parent b4e6b3b2 files · +26 −0Browse files

Unified · Split

2 files

@@ -51,3 +51,25 @@ err: · 50 unmodified lines
51	pdfobjfree(o);	51	pdfobjfree(o);
52	return nil;	52	return nil;
53	}	53	}
		54
		55	int
		56	arraylen(Object *o)
		57	{
		58	if(o == nil \|\| o == &null)
		59	return 0;
		60	return (o->type == Oarray) ? o->array.ne : 1;
		61	}
		62
		63	Object *
		64	arrayget(Object *o, int i)
		65	{
		66	if(arraylen(o) <= i)
		67	sysfatal("array: indexing out of range");
		68	return o->type == Oarray ? o->array.e[i] : o;
		69	}
		70
		71	int
		72	arrayint(Object *o, int i)
		73	{
		74	return (o = arrayget(o, i))->type == Onum ? o->num : 0;
		75	}

pdf.h+4−0

  */
 int isdelim(int c);
+int arraylen(Object *o);
+Object *arrayget(Object *o, int i);
+int arrayint(Object *o, int i);
 Object *dictget(Object *o, char *name);
 vlong dictint(Object *o, char *name);
 char *dictstring(Object *o, char *name);

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