verse
9e69ee8542d4
util/dataforms.lua

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util/dataforms.lua @ 335:9e69ee8542d4

util.dataforms: Add method for converting XML dataforms to tables
author Kim Alvefur <zash@zash.se>
date Fri, 15 Feb 2013 20:45:31 +0100
parent 334:34c52f3b21c4
child 441:e4c0b1d7fd6b
comparison
equal deleted inserted replaced
334:34c52f3b21c4 335:9e69ee8542d4
20 local form_t = {}; 20 local form_t = {};
21 local form_mt = { __index = form_t }; 21 local form_mt = { __index = form_t };
22 22
23 function new(layout) 23 function new(layout)
24 return setmetatable(layout, form_mt); 24 return setmetatable(layout, form_mt);
25 end
26
27 function from_stanza(stanza)
28 local layout = {
29 title = stanza:get_child_text("title");
30 instructions = stanza:get_child_text("instructions");
31 };
32 for tag in stanza:childtags("field") do
33 local field = {
34 name = tag.attr.var;
35 label = tag.attr.label;
36 type = tag.attr.type;
37 required = tag:get_child("required") and true or nil;
38 value = tag:get_child_text("value");
39 };
40 layout[#layout+1] = field;
41 if field.type then
42 local value = {};
43 if field.type:match"list%-" then
44 for tag in tag:childtags("option") do
45 value[#value+1] = { label = tag.attr.label, value = tag:get_child_text("value") };
46 end
47 for tag in tag:childtags("value") do
48 value[#value+1] = { label = tag.attr.label, value = tag:get_text(), default = true };
49 end
50 elseif field.type:match"%-multi" then
51 for tag in tag:childtags("value") do
52 value[#value+1] = tag.attr.label and { label = tag.attr.label, value = tag:get_text() } or tag:get_text();
53 end
54 if field.type == "text-multi" then
55 field.value = t_concat(value, "\n");
56 else
57 field.value = value;
58 end
59 end
60 end
61 end
62 return new(layout);
25 end 63 end
26 64
27 function form_t.form(layout, data, formtype) 65 function form_t.form(layout, data, formtype)
28 local form = st.stanza("x", { xmlns = xmlns_forms, type = formtype or "form" }); 66 local form = st.stanza("x", { xmlns = xmlns_forms, type = formtype or "form" });
29 if layout.title then 67 if layout.title then