+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
local t_insert = table.insert;
+local t_concat = table.concat;
local t_remove = table.remove;
+local t_concat = table.concat;
local s_format = string.format;
+local s_match = string.match;
local tostring = tostring;
local setmetatable = setmetatable;
+local getmetatable = getmetatable;
local pairs = pairs;
local ipairs = ipairs;
local type = type;
local next = next;
-local print = print;
+local print = print;
local unpack = unpack;
local s_gsub = string.gsub;
-local os = os;
+local s_char = string.char;
+local s_find = string.find;
+local os = os;
local do_pretty_printing = not os.getenv("WINDIR");
-local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring;
-
-local log = require "util.logger".init("stanza");
+local getstyle, getstring;
+if do_pretty_printing then
+ local ok, termcolours = pcall(require, "util.termcolours");
+ if ok then
+ getstyle, getstring = termcolours.getstyle, termcolours.getstring;
+ else
+ do_pretty_printing = nil;
+ end
+end
module "stanza"
-stanza_mt = {};
+stanza_mt = { __type = "stanza" };
stanza_mt.__index = stanza_mt;
function stanza(name, attr)
function stanza_mt:query(xmlns)
return self:tag("query", { xmlns = xmlns });
end
+
+function stanza_mt:body(text, attr)
+ return self:tag("body", attr):text(text);
+end
+
function stanza_mt:tag(name, attrs)
local s = stanza(name, attrs);
(self.last_add[#self.last_add] or self):add_direct_child(s);
return self;
end
+function stanza_mt:reset()
+ local last_add = self.last_add;
+ for i = 1,#last_add do
+ last_add[i] = nil;
+ end
+ return self;
+end
+
function stanza_mt:add_direct_child(child)
if type(child) == "table" then
t_insert(self.tags, child);
return self;
end
+function stanza_mt:get_child(name, xmlns)
+ for _, child in ipairs(self.tags) do
+ if (not name or child.name == name)
+ and ((not xmlns and self.attr.xmlns == child.attr.xmlns)
+ or child.attr.xmlns == xmlns) then
+
+ return child;
+ end
+ end
+end
+
function stanza_mt:child_with_name(name)
- for _, child in ipairs(self) do
+ for _, child in ipairs(self.tags) do
if child.name == name then return child; end
end
end
+function stanza_mt:child_with_ns(ns)
+ for _, child in ipairs(self.tags) do
+ if child.attr.xmlns == ns then return child; end
+ end
+end
+
function stanza_mt:children()
local i = 0;
return function (a)
end
+local xml_escape
do
- local xml_entities = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" };
- function xml_escape(s) return s_gsub(s, "['&<>\"]", xml_entities); end
+ local escape_table = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" };
+ function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end
+ _M.xml_escape = xml_escape;
end
-local xml_escape = xml_escape;
-
-function stanza_mt.__tostring(t)
- local children_text = "";
- for n, child in ipairs(t) do
- if type(child) == "string" then
- children_text = children_text .. xml_escape(child);
- else
- children_text = children_text .. tostring(child);
+local function _dostring(t, buf, self, xml_escape, parentns)
+ local nsid = 0;
+ local name = t.name
+ t_insert(buf, "<"..name);
+ for k, v in pairs(t.attr) do
+ if s_find(k, "\1", 1, true) then
+ local ns, attrk = s_match(k, "^([^\1]*)\1?(.*)$");
+ nsid = nsid + 1;
+ t_insert(buf, " xmlns:ns"..nsid.."='"..xml_escape(ns).."' ".."ns"..nsid..":"..attrk.."='"..xml_escape(v).."'");
+ elseif not(k == "xmlns" and v == parentns) then
+ t_insert(buf, " "..k.."='"..xml_escape(v).."'");
end
end
-
- local attr_string = "";
- if t.attr then
- for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(" %s='%s'", k, tostring(v)); end end
+ local len = #t;
+ if len == 0 then
+ t_insert(buf, "/>");
+ else
+ t_insert(buf, ">");
+ for n=1,len do
+ local child = t[n];
+ if child.name then
+ self(child, buf, self, xml_escape, t.attr.xmlns);
+ else
+ t_insert(buf, xml_escape(child));
+ end
+ end
+ t_insert(buf, "</"..name..">");
end
- return s_format("<%s%s>%s</%s>", t.name, attr_string, children_text, t.name);
+end
+function stanza_mt.__tostring(t)
+ local buf = {};
+ _dostring(t, buf, _dostring, xml_escape, nil);
+ return t_concat(buf);
end
function stanza_mt.top_tag(t)
local attr_string = "";
if t.attr then
- for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(" %s='%s'", k, tostring(v)); end end
+ for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(" %s='%s'", k, xml_escape(tostring(v))); end end
end
return s_format("<%s%s>", t.name, attr_string);
end
+function stanza_mt.get_text(t)
+ if #t.tags == 0 then
+ return t_concat(t);
+ end
+end
+
function stanza_mt.__add(s1, s2)
return s1:add_direct_child(s2);
end
do
- local id = 0;
- function new_id()
- id = id + 1;
- return "lx"..id;
- end
+ local id = 0;
+ function new_id()
+ id = id + 1;
+ return "lx"..id;
+ end
end
function preserialize(stanza)
function deserialize(stanza)
-- Set metatable
if stanza then
+ local attr = stanza.attr;
+ for i=1,#attr do attr[i] = nil; end
+ local attrx = {};
+ for att in pairs(attr) do
+ if s_find(att, "|", 1, true) and not s_find(k, "\1", 1, true) then
+ local ns,na = s_match(k, "^([^|]+)|(.+)$");
+ attrx[ns.."\1"..na] = attr[att];
+ attr[att] = nil;
+ end
+ end
+ for a,v in pairs(attrx) do
+ attr[x] = v;
+ end
setmetatable(stanza, stanza_mt);
for _, child in ipairs(stanza) do
if type(child) == "table" then
end
end
stanza.tags = tags;
+ if not stanza.last_add then
+ stanza.last_add = {};
+ end
end
end
return stanza;
end
+function clone(stanza)
+ local lookup_table = {};
+ local function _copy(object)
+ if type(object) ~= "table" then
+ return object;
+ elseif lookup_table[object] then
+ return lookup_table[object];
+ end
+ local new_table = {};
+ lookup_table[object] = new_table;
+ for index, value in pairs(object) do
+ new_table[_copy(index)] = _copy(value);
+ end
+ return setmetatable(new_table, getmetatable(object));
+ end
+
+ return _copy(stanza)
+end
+
function message(attr, body)
if not body then
return stanza("message", attr);
return stanza(orig.name, orig.attr and { to = orig.attr.from, from = orig.attr.to, id = orig.attr.id, type = ((orig.name == "iq" and "result") or orig.attr.type) });
end
-function error_reply(orig, type, condition, message, clone)
+function error_reply(orig, type, condition, message)
local t = reply(orig);
t.attr.type = "error";
- -- TODO use clone
t:tag("error", {type = type})
:tag(condition, {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up();
if (message) then t:tag("text"):text(message):up(); end
projects / prosody.git / blobdiff