Get game config and schema to use some common types

This also fixes an invalid type issue in the GUI2 schema,
and allows types to be a direct alias for other types.

data/schema/game_config.cfg

@@ -55,16 +55,6 @@
         name="defeat_condition"
         value="no_leader_left|no_units_left|never|always"
     [/type]
-    [type]
-        name=point
-        [list]
-            min=1
-            max=2
-            [element]
-                link="int"
-            [/element]
-        [/list]
-    [/type]
     [type]
         name=range
         [list]

data/schema/gui.cfg

@@ -1,40 +1,10 @@
 [wml_schema]
-    [type]
-        name=bool
-        value="^true|false|yes|no$"
-    [/type]
+    {./types/basic.cfg}
+    {./types/formula.cfg}
     [type]
         name=border
         value="^(top|bottom|left|right|all)?(,\s*(top|bottom|left|right|all))*$"
     [/type]
-    [type]
-        name=color
-        value="^(?:2[0-5][0-5]|[01]?\d?\d)[.,]\s*(?:2[0-5][0-5]|[01]?\d?\d)[.,]\s*(?:2[0-5][0-5]|[01]?\d?\d)[.,]\s*(?:2[0-5][0-5]|[01]?\d?\d)$"
-    [/type]
-    [type]
-        name=f_bool
-        value="^.*$"
-    [/type]
-    [type]
-        name=f_h_align
-        value="^.*$"
-    [/type]
-    [type]
-        name=f_int
-        value="^.*$"
-    [/type]
-    [type]
-        name=f_string
-        value="^.*$"
-    [/type]
-    [type]
-        name=f_tstring
-        value="^_?.*$"
-    [/type]
-    [type]
-        name=f_unsigned
-        value="^.+$"
-    [/type]
     [type]
         name=font_family
         value="^(sans|monospace|light|script)?$"
@@ -43,10 +13,6 @@
         name=font_style
         value="^(normal|bold|italic|underline|light)?$"
     [/type]
-    [type]
-        name=function
-        value="^_?.*$"
-    [/type]
     [type]
         name=grow_direction
         value="^horizontal|vertical$"
@@ -55,10 +21,7 @@
         name=h_align
         value="^left|right|center$"
     [/type]
-    [type]
-        name=int
-        value="^-?\d+$"
-    [/type]
+    {FORMULA_TYPE h_align}
     [type]
         name=resize_mode
         value="^scale|stretch|tile|tile_center$"
@@ -67,18 +30,6 @@
         name=scrollbar_mode
         value="^always|never|auto|initial_auto$"
     [/type]
-    [type]
-        name=string
-        value="^.*$"
-    [/type]
-    [type]
-        name=t_string
-        value="^_?.*$"
-    [/type]
-    [type]
-        name=unsigned
-        value="^\d+$"
-    [/type]
     [type]
         name=v_align
         value="^top|bottom|center$"
@@ -444,7 +395,7 @@
                         [/key]
                         [key]
                             name="text"
-                            type="f_tstring"
+                            type="f_t_string"
                             default=""
                         [/key]
                         [key]

data/schema/types/basic.cfg

@@ -1,12 +1,29 @@
 
+#define ALIAS_TYPE TYPE BASE
+[type]
+	name={TYPE}
+	link={BASE}
+[/type]
+#enddef
+
 [type]
 	name=bool
 	value="true|false|yes|no"
 [/type]
+
 [type]
 	name=int
 	value="-?\d+"
 [/type]
+[type]
+	name=unsigned
+	value="\d+"
+[/type]
+[type]
+	name=real
+	value="-?\d+(\.\d+)?"
+[/type]
+
 [type]
 	name=string
 	value=".*"
@@ -15,7 +32,19 @@
 	name=t_string
 	value="_?.*"
 [/type]
+
 [type]
-	name=real
-	value="-?\d+(\.\d+)?"
+	name=color
+	value="(?:2[0-5][0-5]|[01]?\d?\d)[.,]\s*(?:2[0-5][0-5]|[01]?\d?\d)[.,]\s*(?:2[0-5][0-5]|[01]?\d?\d)[.,]\s*(?:2[0-5][0-5]|[01]?\d?\d)"
+[/type]
+
+[type]
+	name=point
+	[list]
+		min=1
+		max=2
+		[element]
+			link="int"
+		[/element]
+	[/list]
 [/type]

data/schema/types/formula.cfg

@@ -1,19 +1,30 @@
 
-# The "formula" and "f_string" types are currently the same as "string"
-# They're provided as separate types only for documentation purposes
-[type]
-	name=formula
-	value=".*"
-[/type]
-[type]
-	name=f_string
-	value=".*"
-[/type]
-[type]
-	name=f_int
-	value="-?\d+|\(.*\)"
-[/type]
+# Note that basic.cfg must also be included for these to work!
+
+#define FORMULA_TYPE BASE
 [type]
-	name=f_real
-	value="(-?\d+(\.\d+))|\(.*\)?"
+	name=f_{BASE}
+	[union]
+		[type]
+			link={BASE}
+		[/type]
+		[type]
+			value="\(.*\)\s*"
+		[/type]
+	[/union]
 [/type]
+#enddef
+
+# The "formula", "function", and "f_string" types are currently the same as "string"
+# They're provided as separate types only for documentation purposes
+{ALIAS_TYPE formula string}
+{ALIAS_TYPE function string}
+{ALIAS_TYPE f_string string}
+
+{FORMULA_TYPE bool}
+{FORMULA_TYPE int}
+{FORMULA_TYPE unsigned}
+{FORMULA_TYPE real}
+{FORMULA_TYPE color}
+{FORMULA_TYPE point}
+{FORMULA_TYPE t_string}

src/serialization/tag.cpp

@@ -77,6 +77,8 @@ class_type::class_type(const config& cfg)
 		}
 	} else if(cfg.has_attribute("value")) {
 		patterns_.emplace_back(cfg["value"].str());
+	} else if(cfg.has_attribute("link")) {
+		links_.emplace_back(cfg["link"].str());
 	}
 }