moved operating system -> string to base

src/base/base_strings.c

@@ -1435,6 +1435,35 @@ str32_from_8(Arena *arena, String8 in){
   return(str32(str, size));
 }
 
+////////////////////////////////
+//~ String -> Enum Conversions
+
+read_only global struct
+{
+  String8         string;
+  OperatingSystem os;
+} g_os_enum_map[] =
+{
+  { str8_lit_comp(""),        OperatingSystem_Null     },
+  { str8_lit_comp("Windows"), OperatingSystem_Windows, },
+  { str8_lit_comp("Linux"),   OperatingSystem_Linux,   },
+  { str8_lit_comp("Mac"),     OperatingSystem_Mac,     },
+};
+StaticAssert(ArrayCount(g_os_enum_map) == OperatingSystem_COUNT, g_os_enum_map_count_check);
+
+internal OperatingSystem
+operating_system_from_string(String8 string)
+{
+  for(U64 i = 0; i < ArrayCount(g_os_enum_map); ++i)
+  {
+    if(str8_match(g_os_enum_map[i].string, string, StringMatchFlag_CaseInsensitive))
+    {
+      return g_os_enum_map[i].os;
+    }
+  }
+  return OperatingSystem_Null;
+}
+
 ////////////////////////////////
 //~ rjf: Basic Types & Space Enum -> String Conversions
 
@@ -1467,18 +1496,14 @@ string_from_side(Side side){
 }
 
 internal String8
-string_from_operating_system(OperatingSystem os){
-  local_persist String8 strings[] = {
-    str8_lit_comp("Null"),
-    str8_lit_comp("Windows"),
-    str8_lit_comp("Linux"),
-    str8_lit_comp("Mac"),
-  };
-  String8 result = str8_lit("error");
-  if (os < OperatingSystem_COUNT){
-    result = strings[os];
+string_from_operating_system(OperatingSystem os)
+{
+  String8 result = g_os_enum_map[OperatingSystem_Null].string;
+  if(os < ArrayCount(g_os_enum_map))
+  {
+    result = g_os_enum_map[os].string;
   }
-  return(result);
+  return result;
 }
 
 internal String8

src/base/base_strings.h

@@ -311,6 +311,11 @@ internal String16 str16_from_8(Arena *arena, String8 in);
 internal String8 str8_from_32(Arena *arena, String32 in);
 internal String32 str32_from_8(Arena *arena, String8 in);
 
+////////////////////////////////
+//~ String -> Enum Conversions
+
+internal OperatingSystem operating_system_from_string(String8 string);
+
 ////////////////////////////////
 //~ rjf: Basic Types & Space Enum -> String Conversions