add resolve_namespace_type + use va_list in register.add_type

README.md

@@ -10,34 +10,17 @@ in the main yaml document.
 
 The lib partially manage tag directives and tag values (basic types and Yaml.Object extended objects types).
 
+with version 0.5, **pluie-yaml** is now able to : 
+
+* parse yaml file with vala tags => transform to Yaml.Node
+* Build Yaml.Object from Yaml.Node (with some glue for struct and non Yaml.Object derived types)
+* Build Yaml.Node from Yaml.Object (with some glue for struct and non Yaml.Object derived types)
+
 **pluie-yaml** use the ![libyaml c library](https://github.com/yaml/libyaml) (License MIT, many thanks to Kirill Simonov) to parse and retriew related yaml events.
 
-![pluie-yaml](https://www.meta-tech.academy/img/pluie-yaml-imports2.png)
+![pluie-yaml-1](https://www.meta-tech.academy/img/pluie-yaml-1.png)
 
-_legend display_childs_ :
+![pluie-yaml-2](https://www.meta-tech.academy/img/pluie-yaml-2.png)
-
-```
-[ node.name  [refCount]  node.parent.name  node.level  node.ntype.infos ()  node.count ()  node.uuid  node.tag]
-```
-
-You can easily manage display tracing of yaml nodes by setting these var according to your needs :
-
-```vala
-namespace Pluie
-{
-    namespace Yaml
-    {
-        public static bool DEBUG           = false;
-
-        public static bool DBG_SHOW_INDENT = true;
-        public static bool DBG_SHOW_PARENT = false;
-        public static bool DBG_SHOW_UUID   = true;
-        public static bool DBG_SHOW_LEVEL  = false;
-        public static bool DBG_SHOW_REF    = false;
-        public static bool DBG_SHOW_COUNT  = true;
-        public static bool DBG_SHOW_TAG    = true;
-        public static bool DBG_SHOW_TYPE   = true;
-```
 
 ## License
 
@@ -135,6 +118,34 @@ see Finder below to get precisions about config.get parameter (search path defin
     db    : db.yml
 ```
 
+![pluie-yaml](https://www.meta-tech.academy/img/pluie-yaml-imports2.png)
+
+_legend display_childs_ :
+
+```
+[ node.name  [refCount]  node.parent.name  node.level  node.ntype.infos ()  node.count ()  node.uuid  node.tag]
+```
+
+You can easily manage display tracing of yaml nodes by setting these var according to your needs :
+
+```vala
+using Pluie
+
+...
+        // general debug display usefull informations
+        Yaml.DEBUG           = false;
+        // drive display_childs method :
+        Yaml.DBG_SHOW_INDENT = true;
+        Yaml.DBG_SHOW_PARENT = false;
+        Yaml.DBG_SHOW_UUID   = true;
+        Yaml.DBG_SHOW_LEVEL  = false;
+        Yaml.DBG_SHOW_REF    = false;
+        Yaml.DBG_SHOW_COUNT  = true;
+        Yaml.DBG_SHOW_TAG    = true;
+        Yaml.DBG_SHOW_TYPE   = true;
+...
+```
+
 -------------------
 
 ### loader 
@@ -330,14 +341,17 @@ public class Example : Yaml.Object
 {
     static construct
     {
-        Yaml.Object.register.add_type (typeof (Example), typeof (ExampleStruct));
+        Yaml.Object.register.add_type (
-        Yaml.Object.register.add_type (typeof (Example), typeof (Gee.ArrayList));
+            typeof (Yaml.Example),       // owned type
+            typeof (Yaml.ExampleStruct), // property type
+            typeof (Gee.ArrayList)       // property type
+        );
     }
     ...
 ```
 
-Secondly you must override the `Yaml.Object populate_from_node (Glib.Type, Yaml.Node node)` original method.  
+Secondly you must override the `public void populate_from_node (Glib.Type, Yaml.Node node)` Yaml.Object original method.  
-`populate_by_type` is called by the Yaml.Builder only if the type property is prealably registered.
+`populate_from_node` is automatically called by the Yaml.Builder if the type property is prealably registered.
 
 Example of implementation from `src/vala/Pluie/Yaml.Example.vala` :
 
@@ -374,6 +388,42 @@ output from samples/yaml-tag.vala :
 
 ![pluie-yaml-tag](https://www.meta-tech.academy/img/pluie-yaml-sample-tag-output.png?tmp=53)
 
+
+### Build Yaml.Node from Yaml.Object
+
+reverse build mechanism is also possible but have the same limitation.
+you need to override the `public Yaml.Node? populate_to_node(GLib.Type type, string name)` Yaml.Object original method
+`populate_to_node` is also automatically called by the Yaml.Builder if the type property is prealably registered.
+
+Example of implementation from `src/vala/Pluie/Yaml.Example.vala` :
+
+```vala
+    public override Yaml.Node?  populate_to_node(GLib.Type type, string name)
+    {
+        Yaml.Node? node = base.populate_to_node (type, name);
+        // non Yaml.Object type & registered type
+        if (node == null) {
+            if (type == typeof (Yaml.ExampleStruct)) {
+                node = new Yaml.Mapping (null, name);
+                new Yaml.Mapping.with_scalar (node, "red"  , this.type_struct.red.to_string ());
+                new Yaml.Mapping.with_scalar (node, "green", this.type_struct.green.to_string ());
+                new Yaml.Mapping.with_scalar (node, "blue" , this.type_struct.blue.to_string ());
+            }
+            else if (type == typeof (Gee.ArrayList)) {
+                node = new Yaml.Sequence (null, name);
+                foreach (var data in this.type_gee_al) {
+                    new Yaml.Scalar (node, data);
+                }
+            }
+        }
+        return node;
+    }
+```
+
+for more details see :
+* `samples/yaml-tonode.vala`
+
+
 -------------------
 
 ### more samples

samples/yaml-tonode.vala

@@ -44,8 +44,12 @@ int main (string[] args)
     var config = new Yaml.Config (path, true);
     var root   = config.root_node ();
     root.display_childs ();
-    var obj    = (Yaml.Example) Yaml.Builder.from_node (root.first ());
 
+    of.action ("Yaml.Builder.from_node", root.first ().name);
+    var obj    = (Yaml.Example) Yaml.Builder.from_node (root.first ());
+    obj.type_object.method_a ();
+
+    of.action ("Yaml.Builder.to_node", obj.get_type ().name ());
     var n = Yaml.Builder.to_node (obj);
     if ((done = n !=null)) { 
         n.display_childs ();

src/vala/Pluie/Yaml.Builder.vala

@@ -330,6 +330,7 @@ public class Pluie.Yaml.Builder
                 if (def.value_type.is_a (typeof (Yaml.Object)) || Yaml.Object.register.is_registered_type(obj.get_type (), def.value_type)) {
                     var child = obj.populate_to_node(def.value_type, name);
                     if (child != null) {
+                        child.tag = new Yaml.Tag (Yaml.Object.register.resolve_namespace_type(def.value_type), "v");
                         node.add (child);
                     }
                 }
@@ -338,7 +339,7 @@ public class Pluie.Yaml.Builder
                     obj.get (name, out enumval);
                     string data = enumval.value.to_string ();
                     var n = new Yaml.Mapping.with_scalar (node, name, (string) data);
-                    n.tag = new Yaml.Tag (def.value_type.name (), "v");
+                    n.tag = new Yaml.Tag (Yaml.Object.register.resolve_namespace_type(def.value_type), "v");
 
                 }
                 else if (def.value_type.is_fundamental ()) {
@@ -352,7 +353,7 @@ public class Pluie.Yaml.Builder
                 }
             }
         }
-        node.tag = new Yaml.Tag (obj.get_type ().name (), "v");
+        node.tag = new Yaml.Tag (Yaml.Object.register.resolve_namespace_type(obj.get_type ()), "v");
         if (root) {
             var rootNode = new Yaml.Root();
             rootNode.add (node);

src/vala/Pluie/Yaml.Example.vala

@@ -68,8 +68,11 @@ public class Pluie.Yaml.Example : Yaml.Object
 
     static construct
     {
-        Yaml.Object.register.add_type (typeof (Yaml.Example), typeof (Yaml.ExampleStruct));
+        Yaml.Object.register.add_type (
-        Yaml.Object.register.add_type (typeof (Yaml.Example), typeof (Gee.ArrayList));
+            typeof (Yaml.Example), 
+            typeof (Yaml.ExampleStruct), 
+            typeof (Gee.ArrayList)
+        );
     }
 
     /**
@@ -123,7 +126,6 @@ public class Pluie.Yaml.Example : Yaml.Object
                     new Yaml.Scalar (node, data);
                 }
             }
-            node.tag = new Yaml.Tag (type.name (), "v");
         }
         return node;
     }

src/vala/Pluie/Yaml.Object.vala

@@ -57,6 +57,7 @@ public abstract class Pluie.Yaml.Object : GLib.Object
     {
         register = new Yaml.Register();
         yaml_tag = new Tag (typeof (Pluie.Yaml.Object).name (), "v");
+        register.add_namespace("Pluie", "Pluie.Yaml", "Gee");
     }
 
     /**

src/vala/Pluie/Yaml.Register.vala

@@ -40,13 +40,18 @@ public class Pluie.Yaml.Register : GLib.Object
     /**
      *
      */
-    public static Gee.HashMap<Type, Gee.ArrayList<GLib.Type>> reg { get; internal set; }
+    public static Gee.HashMap<Type, Gee.ArrayList<GLib.Type>> rtype         { get; internal set; }
+    /**
+     *
+     */
+    public static Gee.ArrayList<string>                       namespaces    { get; internal set; }
 
     /**
      *
      */
     static construct {
-        Yaml.Register.reg = new Gee.HashMap<Type, Gee.ArrayList<GLib.Type>> ();
+        Yaml.Register.rtype      = new Gee.HashMap<Type, Gee.ArrayList<GLib.Type>> ();
+        Yaml.Register.namespaces = new Gee.ArrayList<string> ();
     }
 
     /**
@@ -60,20 +65,82 @@ public class Pluie.Yaml.Register : GLib.Object
     /**
      *
      */
-    public Gee.ArrayList<GLib.Type>? get_type_list (GLib.Type type)
+    public bool add_namespace (string name, ...)
     {
-        return reg.get (type);
+        var l    = va_list();
+        Yaml.dbg ("adding namespace %s".printf (name));
+        var done = Yaml.Register.namespaces.contains (name) || Yaml.Register.namespaces.add (name);
+        while (done) {
+            string? ns = l.arg();
+            if (ns == null) {
+                break;  // end of the list
+            }
+            Yaml.dbg ("adding namespace %s".printf (ns));
+            if (!Yaml.Register.namespaces.contains (ns)) {
+                done = done && Yaml.Register.namespaces.add (ns);
+            }
+        }
+        return done;
     }
 
     /**
      *
      */
-    public bool add_type (GLib.Type type, GLib.Type addedType)
+    public string resolve_namespace_type (GLib.Type type)
     {
-        if (!this.is_registered (type)) {
+        var name = type.name ();
-            reg.set (type, this.init_type_list ());
+        try {
+            Regex reg = new Regex ("([A-Z]{1}[a-z]+)");
+            var d  = reg.split (type.name (), 0);
+            var rn = "";
+            var gb = "";
+            for (var i = 1; i < d.length; i+=2) {
+                rn += d[i];
+                if (namespaces.contains (rn)) {
+                    rn += ".";
+                    gb += d[i];
+                }
+            }
+            // case ENUM which ends with dot
+            if (rn.substring(-1) == ".") {
+                rn = name.splice (0, gb.length, rn);
+            }
+            name = rn;
         }
-        return reg.get (type).add (addedType);
+        catch (GLib.RegexError e) {
+            of.error (e.message);
+        }
+        Yaml.dbg ("resolve_namespace_type %s => %s".printf (type.name (), name));  
+        return name;
+    }
+
+    /**
+     *
+     */
+    public Gee.ArrayList<GLib.Type>? get_type_list (GLib.Type type)
+    {
+        return rtype.get (type);
+    }
+
+    /**
+     *
+     */
+    public bool add_type (GLib.Type owntype, ...)
+    {
+        bool done = true;
+        if (!this.is_registered (owntype)) {
+            rtype.set (owntype, this.init_type_list ());
+        }
+        var l = va_list();
+        while (done) {
+            GLib.Type? t = l.arg<GLib.Type> ();
+            if (t == null || t == Type.INVALID) {
+                break;
+            }
+            Yaml.dbg ("adding to %s type %s".printf (owntype.name (), t.name ()));
+            done = done && rtype.get (owntype).add (t);
+        }
+        return done;
     }
 
     /**
@@ -81,7 +148,7 @@ public class Pluie.Yaml.Register : GLib.Object
      */
     public bool is_registered (GLib.Type type)
     {
-        return reg.has_key (type);
+        return rtype.has_key (type);
     }
 
     /**
@@ -89,6 +156,6 @@ public class Pluie.Yaml.Register : GLib.Object
      */
     public bool is_registered_type (GLib.Type type, GLib.Type checktype)
     {
-        return this.is_registered (type) && reg.get (type).contains (checktype);
+        return this.is_registered (type) && rtype.get (type).contains (checktype);
     }
 }