prosody
e2919978673e
util/xml.lua

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util/xml.lua @ 8706:e2919978673e

net.http: Fix parameter order to http request callbacks Commit e3b9dc9dd940 changed the parameter order in 2013, but did not update the names of the parameters in the callback function. Due to this inconsistency, 12df41a5a4b1 accidentally reversed the order when fixing the variable names without fixing where they are used. Additionally the documentation was incorrect (since 2013), and this has also now been fixed.
author Matthew Wild <mwild1@gmail.com>
date Wed, 04 Apr 2018 18:27:44 +0100
parent 6777:5de6b93d0190
child 6978:30c96a5db360
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cc487921746b util.xml: Initial commit; exposes parse(), which is now the canonical way to convert a string to a stanza.
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1
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2 local st = require "util.stanza";
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3 local lxp = require "lxp";
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5 local _ENV = nil;
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7 local parse_xml = (function()
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8 local ns_prefixes = {
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9 ["http://www.w3.org/XML/1998/namespace"] = "xml";
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10 };
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11 local ns_separator = "\1";
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12 local ns_pattern = "^([^"..ns_separator.."]*)"..ns_separator.."?(.*)$";
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13 return function(xml)
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14 --luacheck: ignore 212/self
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15 local handler = {};
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16 local stanza = st.stanza("root");
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17 function handler:StartElement(tagname, attr)
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18 local curr_ns,name = tagname:match(ns_pattern);
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19 if name == "" then
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20 curr_ns, name = "", curr_ns;
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21 end
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22 if curr_ns ~= "" then
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23 attr.xmlns = curr_ns;
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24 end
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25 for i=1,#attr do
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26 local k = attr[i];
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27 attr[i] = nil;
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28 local ns, nm = k:match(ns_pattern);
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29 if nm ~= "" then
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30 ns = ns_prefixes[ns];
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31 if ns then
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32 attr[ns..":"..nm] = attr[k];
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33 attr[k] = nil;
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34 end
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35 end
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36 end
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37 stanza:tag(name, attr);
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38 end
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39 function handler:CharacterData(data)
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40 stanza:text(data);
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41 end
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42 function handler:EndElement()
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43 stanza:up();
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44 end
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45 local parser = lxp.new(handler, "\1");
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46 local ok, err, line, col = parser:parse(xml);
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47 if ok then ok, err, line, col = parser:parse(); end
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48 --parser:close();
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49 if ok then
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50 return stanza.tags[1];
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51 else
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52 return ok, err.." (line "..line..", col "..col..")";
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53 end
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54 end;
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55 end)();
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56
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57 return {
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58 parse = parse_xml;
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59 };