-- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
local setmetatable = setmetatable;
local pairs, ipairs = pairs, ipairs;
-local tostring, type = tostring, type;
+local tostring, type, next = tostring, type, next;
local t_concat = table.concat;
local st = require "util.stanza";
+local jid_prep = require "util.jid".prep;
module "dataforms"
return setmetatable(layout, form_mt);
end
-function form_t.form(layout, data)
- local form = st.stanza("x", { xmlns = xmlns_forms, type = "form" });
+function form_t.form(layout, data, formtype)
+ local form = st.stanza("x", { xmlns = xmlns_forms, type = formtype or "form" });
if layout.title then
form:tag("title"):text(layout.title):up();
end
elseif field_type == "boolean" then
form:tag("value"):text((value and "1") or "0"):up();
elseif field_type == "fixed" then
-
+ form:tag("value"):text(value):up();
elseif field_type == "jid-multi" then
for _, jid in ipairs(value) do
form:tag("value"):text(jid):up();
form:tag("value"):text(line):up();
end
elseif field_type == "list-single" then
+ local has_default = false;
for _, val in ipairs(value) do
if type(val) == "table" then
form:tag("option", { label = val.label }):tag("value"):text(val.value):up():up();
+ if val.default and (not has_default) then
+ form:tag("value"):text(val.value):up();
+ has_default = true;
+ end
+ else
+ form:tag("option", { label= val }):tag("value"):text(tostring(val)):up():up();
+ end
+ end
+ elseif field_type == "list-multi" then
+ for _, val in ipairs(value) do
+ if type(val) == "table" then
+ form:tag("option", { label = val.label }):tag("value"):text(val.value):up():up();
+ if val.default then
+ form:tag("value"):text(val.value):up();
+ end
else
form:tag("option", { label= val }):tag("value"):text(tostring(val)):up():up();
end
function form_t.data(layout, stanza)
local data = {};
-
- for field_tag in stanza:childtags() do
- local field_type = field_tag.attr.type;
-
- local reader = field_readers[field_type];
- if reader then
- data[field_tag.attr.var] = reader(field_tag);
+ local errors = {};
+
+ for _, field in ipairs(layout) do
+ local tag;
+ for field_tag in stanza:childtags() do
+ if field.name == field_tag.attr.var then
+ tag = field_tag;
+ break;
+ end
end
-
+
+ if not tag then
+ if field.required then
+ errors[field.name] = "Required value missing";
+ end
+ else
+ local reader = field_readers[field.type];
+ if reader then
+ data[field.name], errors[field.name] = reader(tag, field.required);
+ end
+ end
+ end
+ if next(errors) then
+ return data, errors;
end
return data;
end
-field_readers["text-single"] =
- function (field_tag)
- local value = field_tag:child_with_name("value");
- if value then
- return value[1];
+field_readers["text-single"] =
+ function (field_tag, required)
+ local data = field_tag:get_child_text("value");
+ if data and #data > 0 then
+ return data
+ elseif required then
+ return nil, "Required value missing";
end
end
-field_readers["text-private"] =
+field_readers["text-private"] =
field_readers["text-single"];
field_readers["jid-single"] =
- field_readers["text-single"];
+ function (field_tag, required)
+ local raw_data = field_tag:get_child_text("value")
+ local data = jid_prep(raw_data);
+ if data and #data > 0 then
+ return data
+ elseif raw_data then
+ return nil, "Invalid JID: " .. raw_data;
+ elseif required then
+ return nil, "Required value missing";
+ end
+ end
-field_readers["jid-multi"] =
- function (field_tag)
+field_readers["jid-multi"] =
+ function (field_tag, required)
local result = {};
- for value_tag in field_tag:childtags() do
- if value_tag.name == "value" then
- result[#result+1] = value_tag[1];
+ local err = {};
+ for value_tag in field_tag:childtags("value") do
+ local raw_value = value_tag:get_text();
+ local value = jid_prep(raw_value);
+ result[#result+1] = value;
+ if raw_value and not value then
+ err[#err+1] = ("Invalid JID: " .. raw_value);
end
end
- return result;
+ if #result > 0 then
+ return result, (#err > 0 and t_concat(err, "\n") or nil);
+ elseif required then
+ return nil, "Required value missing";
+ end
end
-field_readers["text-multi"] =
- function (field_tag)
+field_readers["list-multi"] =
+ function (field_tag, required)
local result = {};
- for value_tag in field_tag:childtags() do
- if value_tag.name == "value" then
- result[#result+1] = value_tag[1];
- end
+ for value in field_tag:childtags("value") do
+ result[#result+1] = value:get_text();
+ end
+ if #result > 0 then
+ return result;
+ elseif required then
+ return nil, "Required value missing";
+ end
+ end
+
+field_readers["text-multi"] =
+ function (field_tag, required)
+ local data, err = field_readers["list-multi"](field_tag, required);
+ if data then
+ data = t_concat(data, "\n");
end
- return t_concat(result, "\n");
+ return data, err;
end
field_readers["list-single"] =
field_readers["text-single"];
-field_readers["boolean"] =
- function (field_tag)
- local value = field_tag:child_with_name("value");
- if value then
- if value[1] == "1" or value[1] == "true" then
- return true;
- else
- return false;
- end
- end
+local boolean_values = {
+ ["1"] = true, ["true"] = true,
+ ["0"] = false, ["false"] = false,
+};
+
+field_readers["boolean"] =
+ function (field_tag, required)
+ local raw_value = field_tag:get_child_text("value");
+ local value = boolean_values[raw_value ~= nil and raw_value];
+ if value ~= nil then
+ return value;
+ elseif raw_value then
+ return nil, "Invalid boolean representation";
+ elseif required then
+ return nil, "Required value missing";
+ end
end
-field_readers["hidden"] =
+field_readers["hidden"] =
function (field_tag)
- local value = field_tag:child_with_name("value");
- if value then
- return value[1];
- end
+ return field_tag:get_child_text("value");
end
-
+
return _M;