+-- Prosody IM v0.2
+-- Copyright (C) 2008 Matthew Wild
+-- Copyright (C) 2008 Waqas Hussain
+--
+-- This program is free software; you can redistribute it and/or
+-- modify it under the terms of the GNU General Public License
+-- as published by the Free Software Foundation; either version 2
+-- of the License, or (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+--
+
+
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 tostring = tostring;
local setmetatable = setmetatable;
local pairs = pairs;
local ipairs = ipairs;
local type = type;
+local next = next;
+local print = print;
+local unpack = unpack;
local s_gsub = string.gsub;
+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");
+
module "stanza"
stanza_mt = {};
return setmetatable(stanza, stanza_mt);
end
-function stanza_mt:iq(attrs)
- return self + stanza("iq", attrs)
-end
-function stanza_mt:message(attrs)
- return self + stanza("message", attrs)
-end
-function stanza_mt:presence(attrs)
- return self + stanza("presence", attrs)
-end
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_child(s);
+ (self.last_add[#self.last_add] or self):add_direct_child(s);
t_insert(self.last_add, s);
return self;
end
function stanza_mt:text(text)
- (self.last_add[#self.last_add] or self):add_child(text);
+ (self.last_add[#self.last_add] or self):add_direct_child(text);
return self;
end
return self;
end
-function stanza_mt:add_child(child)
+function stanza_mt:add_direct_child(child)
if type(child) == "table" then
t_insert(self.tags, child);
end
t_insert(self, child);
end
+function stanza_mt:add_child(child)
+ (self.last_add[#self.last_add] or self):add_direct_child(child);
+ return self;
+end
+
function stanza_mt:child_with_name(name)
for _, child in ipairs(self) do
if child.name == name then return child; end
local xml_escape = xml_escape;
-function stanza_mt.__tostring(t)
- local children_text = "";
+local function dostring(t, buf, self, xml_escape)
+ t_insert(buf, "<");
+ t_insert(buf, t.name);
+ for k, v in pairs(t.attr) do if type(k) == "string" then
+ t_insert(buf, " ");
+ t_insert(buf, k);
+ t_insert(buf, "='");
+ t_insert(buf, (xml_escape(tostring(v))));
+ t_insert(buf, "'");
+ end end
+ t_insert(buf, ">");
for n, child in ipairs(t) do
- if type(child) == "string" then
- children_text = children_text .. xml_escape(child);
+ if child.name then
+ self(child, buf, self, xml_escape);
else
- children_text = children_text .. tostring(child);
+ t_insert(buf, (xml_escape(child)));
end
end
+ t_insert(buf, "</");
+ t_insert(buf, t.name);
+ t_insert(buf, ">");
+end
+
+function stanza_mt.__tostring(t)
+ local buf = {};
+ dostring(t, buf, dostring, xml_escape);
+ 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>%s</%s>", t.name, attr_string, children_text, t.name);
+ return s_format("<%s%s>", t.name, attr_string);
end
function stanza_mt.__add(s1, s2)
- return s1:add_child(s2);
+ return s1:add_direct_child(s2);
end
end
end
+function preserialize(stanza)
+ local s = { name = stanza.name, attr = stanza.attr };
+ for _, child in ipairs(stanza) do
+ if type(child) == "table" then
+ t_insert(s, preserialize(child));
+ else
+ t_insert(s, child);
+ end
+ end
+ return s;
+end
+
+function deserialize(stanza)
+ -- Set metatable
+ if stanza then
+ setmetatable(stanza, stanza_mt);
+ for _, child in ipairs(stanza) do
+ if type(child) == "table" then
+ deserialize(child);
+ end
+ end
+ if not stanza.tags then
+ -- Rebuild tags
+ local tags = {};
+ for _, child in ipairs(stanza) do
+ if type(child) == "table" then
+ t_insert(tags, child);
+ end
+ end
+ stanza.tags = tags;
+ end
+ end
+
+ return stanza;
+end
+
function message(attr, body)
if not body then
return stanza("message", attr);
end
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 nil) });
+ 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)
+ 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
+ return t; -- stanza ready for adding app-specific errors
end
function presence(attr)
return stanza("presence", attr);
end
-return _M;
\ No newline at end of file
+if do_pretty_printing then
+ local style_attrk = getstyle("yellow");
+ 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, ">");
+ local tag_format = top_tag_format.."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">");
+ function stanza_mt.pretty_print(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 .. child:pretty_print();
+ 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(attr_format, k, tostring(v)); end end
+ 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
+ for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(attr_format, k, tostring(v)); end end
+ end
+ return s_format(top_tag_format, t.name, attr_string);
+ end
+else
+ -- Sorry, fresh out of colours for you guys ;)
+ stanza_mt.pretty_print = stanza_mt.__tostring;
+ stanza_mt.pretty_top_tag = stanza_mt.top_tag;
+end
+
+return _M;