-- Prosody IM
-- 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 ipairs = ipairs;
local type = type;
local s_gsub = string.gsub;
+local s_sub = string.sub;
local s_find = string.find;
local os = os;
local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
-module "stanza"
+local _ENV = nil;
-stanza_mt = { __type = "stanza" };
+local stanza_mt = { __type = "stanza" };
stanza_mt.__index = stanza_mt;
-local stanza_mt = stanza_mt;
-function stanza(name, attr)
+local function stanza(name, attr)
local stanza = { name = name, attr = attr or {}, tags = {} };
return setmetatable(stanza, stanza_mt);
end
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
function stanza_mt:maptags(callback)
local tags, curr_tag = self.tags, 1;
local n_children, n_tags = #self, #tags;
-
+
local i = 1;
while curr_tag <= n_tags and n_tags > 0 do
if self[i] == tags[curr_tag] then
curr_tag = curr_tag - 1;
else
self[i] = ret;
- tags[i] = ret;
+ tags[curr_tag] = ret;
end
curr_tag = curr_tag + 1;
end
return self;
end
-local xml_escape
-do
- local escape_table = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" };
- function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end
- _M.xml_escape = xml_escape;
+function stanza_mt:find(path)
+ local pos = 1;
+ local len = #path + 1;
+
+ repeat
+ local xmlns, name, text;
+ local char = s_sub(path, pos, pos);
+ if char == "@" then
+ return self.attr[s_sub(path, pos + 1)];
+ elseif char == "{" then
+ xmlns, pos = s_match(path, "^([^}]+)}()", pos + 1);
+ end
+ name, text, pos = s_match(path, "^([^@/#]*)([/#]?)()", pos);
+ name = name ~= "" and name or nil;
+ if pos == len then
+ if text == "#" then
+ return self:get_child_text(name, xmlns);
+ end
+ return self:get_child(name, xmlns);
+ end
+ self = self:get_child(name, xmlns);
+ until not self
end
+
+local escape_table = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" };
+local function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end
+
local function _dostring(t, buf, self, xml_escape, parentns)
local nsid = 0;
local name = t.name
function stanza_mt.get_error(stanza)
local type, condition, text;
-
+
local error_tag = stanza:get_child("error");
if not error_tag then
return nil, nil, nil;
end
type = error_tag.attr.type;
-
+
for _, child in ipairs(error_tag.tags) do
if child.attr.xmlns == xmlns_stanzas then
if not text and child.name == "text" then
return type, condition or "undefined-condition", text;
end
-do
- local id = 0;
- function new_id()
- id = id + 1;
- return "lx"..id;
- end
+local id = 0;
+local function new_id()
+ id = id + 1;
+ return "lx"..id;
end
-function preserialize(stanza)
+local function preserialize(stanza)
local s = { name = stanza.name, attr = stanza.attr };
for _, child in ipairs(stanza) do
if type(child) == "table" then
return s;
end
-function deserialize(stanza)
+local function deserialize(stanza)
-- Set metatable
if stanza then
local attr = stanza.attr;
stanza.tags = tags;
end
end
-
+
return stanza;
end
-local function _clone(stanza)
+local function clone(stanza)
local attr, tags = {}, {};
for k,v in pairs(stanza.attr) do attr[k] = v; end
local new = { name = stanza.name, attr = attr, tags = tags };
for i=1,#stanza do
local child = stanza[i];
if child.name then
- child = _clone(child);
+ child = clone(child);
t_insert(tags, child);
end
t_insert(new, child);
end
return setmetatable(new, stanza_mt);
end
-clone = _clone;
-function message(attr, body)
+local function message(attr, body)
if not body then
return stanza("message", attr);
else
return stanza("message", attr):tag("body"):text(body):up();
end
end
-function iq(attr)
+local function iq(attr)
if attr and not attr.id then attr.id = new_id(); end
return stanza("iq", attr or { id = new_id() });
end
-function reply(orig)
+local function reply(orig)
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
-do
- local xmpp_stanzas_attr = { xmlns = xmlns_stanzas };
- function error_reply(orig, type, condition, message)
- local t = reply(orig);
- t.attr.type = "error";
- t:tag("error", {type = type}) --COMPAT: Some day xmlns:stanzas goes here
- :tag(condition, xmpp_stanzas_attr):up();
- if (message) then t:tag("text", xmpp_stanzas_attr):text(message):up(); end
- return t; -- stanza ready for adding app-specific errors
- end
+local xmpp_stanzas_attr = { xmlns = xmlns_stanzas };
+local function error_reply(orig, type, condition, message)
+ local t = reply(orig);
+ t.attr.type = "error";
+ t:tag("error", {type = type}) --COMPAT: Some day xmlns:stanzas goes here
+ :tag(condition, xmpp_stanzas_attr):up();
+ if (message) then t:tag("text", xmpp_stanzas_attr):text(message):up(); end
+ return t; -- stanza ready for adding app-specific errors
end
-function presence(attr)
+local function presence(attr)
return stanza("presence", attr);
end
local style_attrv = getstyle("red");
local style_tagname = getstyle("red");
local style_punc = getstyle("magenta");
-
+
local attr_format = " "..getstring(style_attrk, "%s")..getstring(style_punc, "=")..getstring(style_attrv, "'%s'");
local top_tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">");
--local tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">").."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">");
end
return s_format(tag_format, t.name, attr_string, children_text, t.name);
end
-
+
function stanza_mt.pretty_top_tag(t)
local attr_string = "";
if t.attr then
stanza_mt.pretty_top_tag = stanza_mt.top_tag;
end
-return _M;
+return {
+ stanza_mt = stanza_mt;
+ stanza = stanza;
+ new_id = new_id;
+ preserialize = preserialize;
+ deserialize = deserialize;
+ clone = clone;
+ message = message;
+ iq = iq;
+ reply = reply;
+ error_reply = error_reply;
+ presence = presence;
+ xml_escape = xml_escape;
+};
projects / prosody.git / blobdiff