Mercurial > prosody-hg
annotate tools/form2table.lua @ 12763:d26eefe98d09
util.dbuffer: Add efficient shortcuts for discard() in certain cases
If the buffer is already empty, nothing to do. If we're throwing away the
whole buffer, we can just empty it and avoid read_chunk() (which in turn
may collapse()). These shortcuts are much more efficient.
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Tue, 11 Oct 2022 11:37:55 +0100 |
| parents | 9d1ce6f28401 |
| children | 879a6a33c21b |
| rev | line source |
|---|---|
|
11194
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
1 -- Read an XML dataform and spit out a serialized Lua table of it |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
2 |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
3 local function from_stanza(stanza) |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
4 local layout = { |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
5 title = stanza:get_child_text("title"); |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
6 instructions = stanza:get_child_text("instructions"); |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
7 }; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
8 for tag in stanza:childtags("field") do |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
9 local field = { |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
10 name = tag.attr.var; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
11 type = tag.attr.type; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
12 label = tag.attr.label; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
13 desc = tag:get_child_text("desc"); |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
14 required = tag:get_child("required") and true or nil; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
15 value = tag:get_child_text("value"); |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
16 options = nil; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
17 }; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
18 |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
19 if field.type == "list-single" or field.type == "list-multi" then |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
20 local options = {}; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
21 for option in tag:childtags("option") do |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
22 options[#options+1] = { label = option.attr.label, value = option:get_child_text("value") }; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
23 end |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
24 field.options = options; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
25 end |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
26 |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
27 if field.type == "jid-multi" or field.type == "list-multi" or field.type == "text-multi" then |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
28 local values = {}; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
29 for value in tag:childtags("value") do |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
30 values[#values+1] = value:get_text(); |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
31 end |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
32 if field.type == "text-multi" then |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
33 values = table.concat(values, "\n"); |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
34 end |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
35 field.value = values; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
36 end |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
37 |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
38 if field.type == "boolean" then |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
39 field.value = field.value == "true" or field.value == "1"; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
40 end |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
41 |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
42 layout[#layout+1] = field; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
43 |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
44 end |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
45 return layout; |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
46 end |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
47 |
|
9d1ce6f28401
tools/form2table: Convert XEP-0004 dataform from XML to util.dataforms Lua format
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
48 print("dataforms.new " .. require "util.serialization".serialize(from_stanza(require "util.xml".parse(io.read("*a"))), { unquoted = true })) |
