src/Palete/Gir.vala
[app.Builder.js] / src / Palete / Gir.vala
1
2 // valac -g  --pkg gee-1.0 --pkg libxml-2.0 --pkg gobject-introspection-1.0 --pkg json-glib-1.0  Palete/Gir.vala -o /tmp/Gir
3 /* 
4 public static int main (string[] args) {
5     
6     var g = Palete.Gir.factory("Gtk");
7         var test = g.classes.get("ToolButton");
8         
9         
10     var generator = new Json.Generator ();
11     var n = new Json.Node(Json.NodeType.OBJECT);
12     n.set_object(test.toJSON());
13     generator.set_root(n);
14     generator.indent = 4;
15     generator.pretty = true;
16     
17     print(generator.to_data(null));
18     return 0;
19 }
20  */
21 namespace Palete {
22  
23          
24     
25     
26     // Gir - is the libvala based version - 
27     
28     
29         public class Gir : GirObject {
30     
31                 //Gee.Hashmap<string,what> nodes;
32                 
33                 public Gir (string ns)
34                 {
35                         base("Package",ns);
36                          
37                 }
38                  
39                 public string doc(string what)
40                 {
41                         var ar = what.split(".");
42                         var cls = this.classes.get(ar[1]);
43                         if (ar.length == 2) {
44                                 return cls.doctxt != null ? cls.doctxt : "";
45                         }
46                         // return the property.. by default..
47                         var pr = cls.props.get(ar[2]);
48                         return pr.doctxt != null ? pr.doctxt : "";
49
50                 }
51                 public void loadOverrides(bool force = false)
52                 {
53                         // BC..
54                 }
55                 
56                 /**
57                  *  == all static below here...
58                  * 
59                  */
60                 public static  Gee.HashMap<string,Gir> cache = null;
61
62                 
63                 public static Gir?  factory(string ns) 
64                 {
65                         if (cache == null) {
66                                 cache = new Gee.HashMap<string,Gir>();
67                                 var a = new VapiParser( );
68                                 a.create_valac_tree();
69                                  
70                                 
71                         }
72                         var ret = cache.get(ns);
73                         
74                         
75                         /*
76                         if (ret == null) {
77
78                                 var add = new Gir(ns);
79                                 
80                                 cache.set(ns, add);
81                         
82                                 var iter = add.classes.map_iterator();
83                                 while(iter.next()) {
84                                         iter.get_value().overlayParent();
85                                 }
86                                 // loop again and add the ctor properties.
87                                 iter = add.classes.map_iterator();
88                                 while(iter.next()) {
89                                         iter.get_value().overlayCtorProperties();
90                                 }       
91
92                                 
93                                 ret = cache.get(ns);
94                         }
95                         */
96                         if (ret != null && !ret.is_overlaid) {
97                                 var iter = ret.classes.map_iterator();
98                                 while(iter.next()) {
99                                         iter.get_value().overlayParent();
100                                 }
101                                 // loop again and add the ctor properties.
102                                 iter = ret.classes.map_iterator();
103                                 while(iter.next()) {
104                                         iter.get_value().overlayCtorProperties();
105                                 }       
106
107                                 
108                         }
109                         
110                         
111                          
112
113                         return ret;
114                         
115                 }
116                 public static GirObject?  factoryFqn(string fqn)  
117                 {       
118                         var bits = fqn.split(".");
119                         if (bits.length < 1) {
120                                 return null;
121                         }
122                         
123                         var f = (GirObject)factory(bits[0]);
124
125                         if (bits.length == 1 || f ==null) {
126                                 return f;
127                         }
128                         return f.fetchByFqn(fqn.substring(bits[0].length+1)); // since classes are stored in fqn format...?
129                                             
130                         
131                 }
132
133                         
134                 /**
135                  * guess the fqn of a type == eg. gboolean or Widget etc...
136                  */
137                 public static string fqtypeLookup(string type, string ns) {
138                         var g = factory(ns);
139                         if (g.classes.has_key(type)) {
140                                 return ns + "." + type;
141                         }
142                         // enums..
143                         if (g.consts.has_key(type)) {
144                                 return ns + "." + type;
145                         }
146                         
147                         
148                         // look at includes..
149                         var iter = g.includes.map_iterator();
150                         while(iter.next()) {
151                                 // skip empty namespaces on include..?
152                                 if ( iter.get_key() == "") {
153                                         continue;
154                                 }
155                                 var ret = fqtypeLookup(type, iter.get_key());
156                                 if (ret != type) {
157                                         return ret;
158                                 }
159                 }       
160                         return type;
161                 }
162                 
163
164
165                 
166                 // needed still - where's it called form..
167                 public static string guessDefaultValueForType(string type) {
168                         //print("guessDefaultValueForType: %s\n", type);
169                         if (type.length < 1 || type.contains(".")) {
170                                 return "null";
171                         }
172                         switch(type) {
173                                 case "gboolean":
174                                         return "true";
175                                 case "guint":
176                                         return "0";
177                                 case "utf8":
178                                         return "\"\"";
179                                 default:
180                                         return "?"+  type + "?";
181                         }
182
183                 }
184
185                 
186
187
188
189                  
190         }       
191
192         
193 }