aboutsummaryrefslogtreecommitdiff
path: root/xmpp-vala/src/core/stanza_node.vala
blob: f615a240819a9c0a91fbe048d2429362dcc0f362 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
using Gee;

namespace Xmpp.Core {

public abstract class StanzaEntry {
    public string? ns_uri;
    public string name;
    public string? val;

    public string encoded_val {
        owned get {
            return val != null ? val.replace("&", "&amp;").replace("\"", "&quot;").replace("'", "&apos;").replace("<", "&lt;").replace(">", "&gt;") : null;
        }
        set {
            string tmp = value.replace("&gt;", ">").replace("&lt;", "<").replace("&apos;","'").replace("&quot;","\"");
            while (tmp.contains("&#")) {
                int start = tmp.index_of("&#");
                int end = tmp.index_of(";", start);
                if (end < start) break;
                unichar num = -1;
                if (tmp[start+2]=='x') {
                    tmp.substring(start+3, start-end-3).scanf("%x", &num);
                } else {
                    num = int.parse(tmp.substring(start+2, start-end-2));
                }
                tmp = tmp.splice(start, end, num.to_string());
            }
            val = tmp.replace("&amp;", "&");
        }
    }

    public virtual unowned string? get_string_content() {
        return val;
    }
}

public class NoStanza : StanzaEntry {
    public NoStanza(string? name) {
        this.name = name;
    }
}

public class StanzaNode : StanzaEntry {
    public ArrayList<StanzaNode> sub_nodes = new ArrayList<StanzaNode>();
    public ArrayList<StanzaAttribute> attributes = new ArrayList<StanzaAttribute>();
    public bool has_nodes = false;
    public bool pseudo = false;

    public StanzaNode () {}

    public StanzaNode.build(string name, string ns_uri = "jabber:client", ArrayList<StanzaNode>? nodes = null, ArrayList<StanzaAttribute>? attrs = null) {
        this.ns_uri = ns_uri;
        this.name = name;
        if (nodes != null) this.sub_nodes.add_all(nodes);
        if (attrs != null) this.attributes.add_all(attrs);
    }

    public StanzaNode.text(string text) {
        this.name = "#text";
        this.val = text;
    }

    public StanzaNode.encoded_text(string text) {
        this.name = "#text";
        this.encoded_val = text;
    }

    public StanzaNode add_self_xmlns() {
        return put_attribute("xmlns", ns_uri);
    }

    public unowned string? get_attribute(string name, string? ns_uri = null) {
        string _name = name;
        string? _ns_uri = ns_uri;
        if (_ns_uri == null) {
            if (_name.contains(":")) {
                var lastIndex = _name.last_index_of_char(':');
                _ns_uri = _name.substring(0, lastIndex);
                _name = _name.substring(lastIndex + 1);
            } else {
                _ns_uri = this.ns_uri;
            }
        }
        foreach(var attr in attributes) {
            if (attr.ns_uri == _ns_uri && attr.name == _name) return attr.val;
        }
        return null;
    }

    public int get_attribute_int(string name, int def = -1, string? ns_uri = null) {
        string? res = get_attribute(name, ns_uri);
        if (res == null) return def;
        return int.parse(res);
    }

    public bool get_attribute_bool(string name, bool def = false, string? ns_uri = null) {
        string? res = get_attribute(name, ns_uri);
        if (res == null) return def;
        return res.down() == "true" || res == "1";
    }

    public StanzaAttribute get_attribute_raw(string name, string? ns_uri = null) {
        string _name = name;
        string? _ns_uri = ns_uri;
        if (_ns_uri == null) {
            if (_name.contains(":")) {
                var lastIndex = _name.last_index_of_char(':');
                _ns_uri = _name.substring(0, lastIndex);
                _name = _name.substring(lastIndex + 1);
            } else {
                _ns_uri = this.ns_uri;
            }
        }
        foreach(var attr in attributes) {
            if (attr.ns_uri == _ns_uri && attr.name == _name) return attr;
        }
        return null;
    }

    public ArrayList<StanzaAttribute> get_attributes_by_ns_uri(string ns_uri) {
        ArrayList<StanzaAttribute> ret = new ArrayList<StanzaAttribute> ();
        foreach(var attr in attributes) {
            if (attr.ns_uri == ns_uri) ret.add(attr);
        }
        return ret;
    }

    public StanzaEntry get(...) {
        va_list l = va_list();
        StanzaEntry? res = get_deep_attribute_(va_list.copy(l));
        if (res != null) return res;
        res = get_deep_subnode_(va_list.copy(l));
        if (res != null) return res;
        return new NoStanza("-");
    }

    public unowned string? get_deep_attribute(...) {
        va_list l = va_list();
        var res = get_deep_attribute_(va_list.copy(l));
        if (res == null) return null;
        return res.val;
    }

    public StanzaAttribute? get_deep_attribute_(va_list l) {
        StanzaNode? node = this;
        string? attribute_name = l.arg();
        if (attribute_name == null) return null;
        while(true) {
            string? s = l.arg();
            if (s == null) break;
            node = node.get_subnode(attribute_name);
            if (node == null) return null;
            attribute_name = s;
        }
        return node.get_attribute_raw(attribute_name);
    }

    public StanzaNode? get_subnode(string name, string? ns_uri = null, bool recurse = false) {
        string _name = name;
        string? _ns_uri = ns_uri;
        if (ns_uri == null) {
            if (_name.contains(":")) {
                var lastIndex = _name.last_index_of_char(':');
                _ns_uri = _name.substring(0, lastIndex);
                _name = _name.substring(lastIndex + 1);
            } else {
                _ns_uri = this.ns_uri;
            }
        }
        foreach(var node in sub_nodes) {
            if (node.ns_uri == _ns_uri && node.name == _name) return node;
            if (recurse) {
                var x = node.get_subnode(_name, _ns_uri, recurse);
                if (x != null) return x;
            }
        }
        return null;
    }

    public ArrayList<StanzaNode> get_subnodes(string name, string? ns_uri = null, bool recurse = false) {
        ArrayList<StanzaNode> ret = new ArrayList<StanzaNode>();
        string _name = name;
        string? _ns_uri = ns_uri;
        if (ns_uri == null) {
            if (_name.contains(":")) {
                var lastIndex = _name.last_index_of_char(':');
                _ns_uri = _name.substring(0, lastIndex);
                _name = _name.substring(lastIndex + 1);
            } else {
                _ns_uri = this.ns_uri;
            }
        }
        foreach(var node in sub_nodes) {
            if (node.ns_uri == _ns_uri && node.name == _name) ret.add(node);
            if (recurse) {
                ret.add_all(node.get_subnodes(_name, _ns_uri, recurse));
            }
        }
        return ret;
    }

    public StanzaNode? get_deep_subnode(...) {
        va_list l = va_list();
        return get_deep_subnode_(va_list.copy(l));
    }

    public StanzaNode? get_deep_subnode_(va_list l) {
        StanzaNode? node = this;
        while(true) {
            string? s = l.arg();
            if (s == null) break;
            node = node.get_subnode(s);
            if (node == null) return null;
        }
        return node;
    }

    public ArrayList<StanzaNode> get_deep_subnodes(...) {
        va_list l = va_list();
        var res = get_deep_subnodes_(va_list.copy(l));
        if (res != null) return res;
        return new ArrayList<StanzaNode>();
    }

    public ArrayList<StanzaNode> get_deep_subnodes_(va_list l) {
        StanzaNode? node = this;
        string? subnode_name = l.arg();
        if (subnode_name == null) return null;
        while(true) {
            string? s = l.arg();
            if (s == null) break;
            node = node.get_subnode(subnode_name);
            if (node == null) return null;
            subnode_name = s;
        }
        return node.get_subnodes(subnode_name);
    }

    public ArrayList<StanzaNode> get_all_subnodes() {
        return sub_nodes;
    }

    public ArrayList<StanzaNode> get_deep_all_subnodes(...) {
        va_list l = va_list();
        StanzaNode? node = get_deep_subnode_(va_list.copy(l));
        if (node != null) return node.get_all_subnodes();
        return new ArrayList<StanzaNode>();
    }

    public void add_attribute(StanzaAttribute attr) {
        attributes.add(attr);
    }

    public override unowned string? get_string_content() {
        if (val != null) return val;
        if (sub_nodes.size == 1) return sub_nodes[0].get_string_content();
        return null;
    }

    public unowned string? get_deep_string_content(...) {
        va_list l = va_list();
        StanzaNode? node = get_deep_subnode_(va_list.copy(l));
        if (node != null) return node.get_string_content();
        return null;
    }

    public StanzaNode put_attribute(string name, string val, string? ns_uri = null) {
        if (name == "xmlns") ns_uri = XMLNS_URI;
        if (ns_uri == null) ns_uri = this.ns_uri;
        attributes.add(new StanzaAttribute.build(ns_uri, name, val));
        return this;
    }

    /**
    *    Set only occurence
    **/
    public void set_attribute(string name, string val, string? ns_uri = null) {
        if (ns_uri == null) ns_uri = this.ns_uri;
        foreach(var attr in attributes) {
            if (attr.ns_uri == ns_uri && attr.name == name) {
                attr.val = val;
                return;
            }
        }
        put_attribute(name, val, ns_uri);
    }

    public StanzaNode put_node(StanzaNode node) {
        sub_nodes.add(node);
        return this;
    }

    public string to_string(int i = 0) {
        string indent = string.nfill (i * 2, ' ');
        if (name == "#text") {
            return @"$indent$val\n";
        }
        var sb = new StringBuilder();
        sb.append(@"$indent<{$ns_uri}:$name");
        foreach (StanzaAttribute attr in attributes) {
            sb.append_printf(" %s", attr.to_string());
        }
        if (!has_nodes && sub_nodes.size == 0) {
            sb.append(" />\n");
        } else {
            sb.append(">\n");
            if (sub_nodes.size != 0) {
                foreach (StanzaNode subnode in sub_nodes) {
                    sb.append(subnode.to_string(i+1));
                }
                sb.append(@"$indent</{$ns_uri}:$name>\n");
            }
        }
        return sb.str;
    }

    public string to_xml (NamespaceState? state = null) throws XmlError {
        NamespaceState my_state = state ?? new NamespaceState.for_stanza();
        if (name == "#text") return @"$encoded_val";
        foreach(var xmlns in get_attributes_by_ns_uri (XMLNS_URI)) {
            if (xmlns.name == "xmlns") {
                my_state = new NamespaceState.with_current(my_state, xmlns.val);
            } else {
                my_state = new NamespaceState.with_assoc(my_state, xmlns.val, xmlns.name);
            }
        }
        var sb = new StringBuilder();
        if (ns_uri == my_state.current_ns_uri) {
            sb.append(@"<$name");
        } else {
            sb.append_printf("<%s:%s", my_state.find_name (ns_uri), name);
        }
        var attr_ns_state = new NamespaceState.with_current(my_state, ns_uri);
        foreach (StanzaAttribute attr in attributes) {
            sb.append_printf(" %s", attr.to_xml(attr_ns_state));
        }
        if (!has_nodes && sub_nodes.size == 0) {
            sb.append("/>");
        } else {
            sb.append(">");
            if (sub_nodes.size != 0) {
                foreach (StanzaNode subnode in sub_nodes) {
                    sb.append(subnode.to_xml(my_state));
                }
                if (ns_uri == my_state.current_ns_uri) {
                    sb.append(@"</$name>");
                } else {
                    sb.append_printf("</%s:%s>", my_state.find_name (ns_uri), name);
                }
            }
        }
        return sb.str;
    }
}
}