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Initial commit.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 28 Jan 2011 02:35:04 +0100
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-1:000000000000 0:a2dab4544b2d
1 /*
2 * Copyright (C) 2010 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
3 *
4 * This file is part of PSĜS, a PubSub server written in JavaScript.
5 *
6 * PSĜS is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License.
10 *
11 * PSĜS is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
15 *
16 * You should have received a copy of the GNU Affero General Public License
17 * along with PSĜS. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 var xmpp = require('clxmpp')
21
22 var parseBoolean = function(b) {
23 if (b == 'true' || b == 'True' || b == 'TRUE' || b == '1')
24 return true;
25 return false;
26 }
27
28 exports.build = function(type, desc, content, labels, title, instructions) {
29 var x = xmpp.stanza('x', {xmlns: 'jabber:x:data', type: type});
30
31 if (desc._TITLE)
32 x.s('title').t(desc._TITLE);
33 else if (title)
34 x.s('title').t(title);
35
36 if (desc._INSTRUCTIONS)
37 x.s('instructions').t(desc._INSTRUCTIONS);
38 else if (instructions)
39 x.s('instructions').t(instructions);
40
41 if (content == 'default') {
42 content = {};
43 for (var i in desc)
44 content[i] = desc[i].value;
45 }
46
47 for (var i in desc) {
48 if (i[0] == '_')
49 continue;
50
51 var fieldAttr = {'var': i};
52
53 if (labels) {
54 if (desc[i].type)
55 fieldAttr.type = desc[i].type;
56 if (desc[i].label)
57 fieldAttr.label = desc[i].label;
58 }
59 var field = xmpp.stanza('field', fieldAttr);
60
61 if (labels &&
62 (desc[i].type == 'list-multi' ||
63 desc[i].type == 'list-single')) {
64 for (var j in desc[i].options) {
65 var optAttr = {};
66 if (desc[i].options[j].label)
67 optAttr.label = desc[i].options[j].label;
68 field.s('option', optAttr).c('value').t(j);
69 }
70 }
71
72 if (i == 'FORM_TYPE')
73 field.s('value').t(desc[i].value);
74 else if (typeof content[i] != 'undefined') {
75 var md = content[i];
76 if (desc[i].type == 'jid-multi' ||
77 desc[i].type == 'list-multi' ||
78 desc[i].type == 'text-multi') {
79 for (var j=0; j<md.length; j++)
80 field.s('value')
81 .t(md[j].toString());
82 } else
83 field.s('value').t(md.toString());
84 }
85
86 x.cnode(field);
87 }
88 if (field)
89 return x;
90 return -1; //FIXME
91 }
92
93 exports.parse = function(x, params) {
94 var form = {};
95
96 if (!params) {
97 var type = x.getAttribute('type');
98 if (type)
99 form.type = type;
100
101 var title = x.getChild('title');
102 if (title)
103 form.title = title;
104
105 var instructions = x.getChild('instructions');
106 if (instructions)
107 form.instructions = instructions;
108 }
109
110 form.fields = {};
111 for (var i in x.tags) {
112 var field = x.tags[i];
113 var name = field.getAttribute('var');
114 if (params && name == 'FORM_TYPE')
115 continue;
116
117 if (params) {
118 var type = field.getAttribute('type');
119 if (type == 'jid-multi' || type == 'list-multi' || type == 'text-multi') {
120 form.fields[name] = [];
121 for (var j in field.tags) {
122 var elem = field.tags[j];
123 if (elem.name == 'value')
124 form.fields[name].push(elem.getText());
125 }
126 } else if (type == 'boolean') {
127 var value = field.getChild('value');
128 if (value)
129 form.fields[name] = parseBoolean(value.getText());
130 } else {
131 var value = field.getChild('value');
132 if (value)
133 form.fields[name] = value.getText();
134 }
135 } else {
136 form.fields[name] = {};
137
138 var label = field.getAttribute('label');
139 if (label)
140 form.fields[name].label = label;
141
142 var type = field.getAttribute('type');
143 if (type)
144 form.fields[name].type = type;
145
146 if (field.tags.length) {
147 if (field.tags.length == 1) {
148 if (field.tags[0].name == 'value') {
149 var value = field.tags[0];
150 if (type == 'boolean')
151 form.fields[name].value = parseBoolean(value.getText());
152 else
153 form.fields[name].value = value.getText();
154 }
155 } else {
156 form.fields[name].options = {};
157 form.fields[name].values = [];
158 for (var j in field.tags) {
159 var elem = field.tags[j];
160 if (elem.name == 'option') {
161 var value = elem.getChild('value');
162 if (!value)
163 continue;
164
165 value = value.getText();
166 if (!value)
167 continue;
168
169 form.fields[name].options[value] = {};
170
171 label = elem.getAttribute('label')
172 if (label)
173 form.fields[name].options[value].label = label;
174 } else if (elem.name == 'value')
175 form.fields[name].values.push(elem.getText());
176 }
177 if (form.fields[name].values.length == 1) {
178 form.fields[name].value = form.fields[name].values[0];
179 delete form.fields[name].values;
180 }
181 }
182 }
183 }
184 }
185 return form;
186 }
187
188 exports.toString = function(form) {
189 var text = '';
190
191 var inspect = require('sys').inspect;
192
193 for (var i in form.fields) {
194 if (i == 'FORM_TYPE')
195 continue;
196
197 var field = form.fields[i];
198 text += '\n\t' + i;
199 if (field.label)
200 text += ' (' + field.label + ')';
201 if (field.type)
202 text += ', ' + field.type;
203
204 text += ': ';
205 if (typeof field.value != 'undefined')
206 text += inspect(field.value);
207 else if (field.values)
208 text += inspect(field.values);
209 else
210 text += 'empty';
211
212 if (typeof field.options == 'object')
213 for (var j in field.options)
214 text += '\n\t\t' + j + ': ' + field.options[j].label;
215 }
216 return text;
217 }