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util.stanza, util.xml, util.xmppstream: Add support for tracking defined namespaces and their prefix (stanza.namespaces), knowing/preserving prefix names is required for some applications (thanks daurnimator)

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This commit is contained in:
Matthew Wild 2015-12-08 23:15:42 +00:00
parent bb0ad8d2a9
commit dd37beeff9
3 changed files with 49 additions and 6 deletions
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17
util/xml.lua
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@ -14,6 +14,17 @@ local parse_xml = (function()
--luacheck: ignore 212/self
local handler = {};
local stanza = st.stanza("root");
local namespaces = {}
function handler:StartNamespaceDecl(prefix, url)
if prefix ~= nil then
namespaces[prefix] = url
end
end
function handler:EndNamespaceDecl(prefix)
if prefix ~= nil then
namespaces[prefix] = nil
end
end
function handler:StartElement(tagname, attr)
local curr_ns,name = tagname:match(ns_pattern);
if name == "" then
@ -34,7 +45,11 @@ local parse_xml = (function()
end
end
end
stanza:tag(name, attr);
local n = {}
for prefix, url in pairs(namespaces) do
n[prefix] = url
end
stanza:tag(name, attr, n);
end
function handler:CharacterData(data)
stanza:text(data);