prosody
a4ef8cfa97bd
util/stanza.lua

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util/stanza.lua @ 8570:a4ef8cfa97bd

util.import: Explicitly export the global import function [luacheck]
author Kim Alvefur <zash@zash.se>
date Wed, 07 Mar 2018 19:22:07 +0100
parent 8555:4f0f5b49bb03
child 8599:62bfc85a53c8
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rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10 local t_insert = table.insert;
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11 local t_remove = table.remove;
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12 local t_concat = table.concat;
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13 local s_format = string.format;
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14 local s_match = string.match;
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15 local tostring = tostring;
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16 local setmetatable = setmetatable;
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17 local getmetatable = getmetatable;
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18 local pairs = pairs;
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19 local ipairs = ipairs;
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20 local type = type;
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21 local s_gsub = string.gsub;
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22 local s_sub = string.sub;
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23 local s_find = string.find;
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24 local os = os;
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25
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26 local do_pretty_printing = not os.getenv("WINDIR");
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27 local getstyle, getstring;
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28 if do_pretty_printing then
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29 local ok, termcolours = pcall(require, "util.termcolours");
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30 if ok then
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31 getstyle, getstring = termcolours.getstyle, termcolours.getstring;
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32 else
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33 do_pretty_printing = nil;
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34 end
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35 end
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36
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37 local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
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38
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39 local _ENV = nil;
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40 -- luacheck: std none
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41
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42 local stanza_mt = { __name = "stanza" };
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43 stanza_mt.__index = stanza_mt;
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44
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45 local function new_stanza(name, attr, namespaces)
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46 local stanza = { name = name, attr = attr or {}, namespaces = namespaces, tags = {} };
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47 return setmetatable(stanza, stanza_mt);
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48 end
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49
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50 local function is_stanza(s)
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51 return getmetatable(s) == stanza_mt;
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52 end
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53
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54 function stanza_mt:query(xmlns)
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55 return self:tag("query", { xmlns = xmlns });
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56 end
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57
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58 function stanza_mt:body(text, attr)
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59 return self:tag("body", attr):text(text);
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60 end
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61
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62 function stanza_mt:tag(name, attr, namespaces)
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63 local s = new_stanza(name, attr, namespaces);
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64 local last_add = self.last_add;
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65 if not last_add then last_add = {}; self.last_add = last_add; end
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66 (last_add[#last_add] or self):add_direct_child(s);
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67 t_insert(last_add, s);
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68 return self;
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69 end
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70
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71 function stanza_mt:text(text)
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72 local last_add = self.last_add;
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73 (last_add and last_add[#last_add] or self):add_direct_child(text);
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74 return self;
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75 end
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76
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77 function stanza_mt:up()
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78 local last_add = self.last_add;
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79 if last_add then t_remove(last_add); end
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80 return self;
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81 end
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82
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83 function stanza_mt:reset()
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84 self.last_add = nil;
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85 return self;
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86 end
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87
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88 function stanza_mt:add_direct_child(child)
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89 if type(child) == "table" then
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90 t_insert(self.tags, child);
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91 end
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92 t_insert(self, child);
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93 end
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94
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95 function stanza_mt:add_child(child)
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96 local last_add = self.last_add;
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97 (last_add and last_add[#last_add] or self):add_direct_child(child);
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98 return self;
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99 end
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100
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101 function stanza_mt:get_child(name, xmlns)
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102 for _, child in ipairs(self.tags) do
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103 if (not name or child.name == name)
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104 and ((not xmlns and self.attr.xmlns == child.attr.xmlns)
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105 or child.attr.xmlns == xmlns) then
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106
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107 return child;
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108 end
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109 end
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110 end
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111
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112 function stanza_mt:get_child_text(name, xmlns)
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113 local tag = self:get_child(name, xmlns);
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114 if tag then
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115 return tag:get_text();
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116 end
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117 return nil;
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118 end
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119
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120 function stanza_mt:child_with_name(name)
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121 for _, child in ipairs(self.tags) do
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122 if child.name == name then return child; end
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123 end
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124 end
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125
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126 function stanza_mt:child_with_ns(ns)
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127 for _, child in ipairs(self.tags) do
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128 if child.attr.xmlns == ns then return child; end
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129 end
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130 end
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131
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132 function stanza_mt:children()
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133 local i = 0;
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134 return function (a)
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135 i = i + 1
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136 return a[i];
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137 end, self, i;
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138 end
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139
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140 function stanza_mt:childtags(name, xmlns)
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141 local tags = self.tags;
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142 local start_i, max_i = 1, #tags;
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143 return function ()
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144 for i = start_i, max_i do
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145 local v = tags[i];
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146 if (not name or v.name == name)
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parents: 4749
diff changeset
147 and ((not xmlns and self.attr.xmlns == v.attr.xmlns)
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148 or v.attr.xmlns == xmlns) then
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149 start_i = i+1;
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150 return v;
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151 end
4168
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152 end
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153 end;
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154 end
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155
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156 function stanza_mt:maptags(callback)
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157 local tags, curr_tag = self.tags, 1;
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158 local n_children, n_tags = #self, #tags;
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159
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160 local i = 1;
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161 while curr_tag <= n_tags and n_tags > 0 do
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162 if self[i] == tags[curr_tag] then
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163 local ret = callback(self[i]);
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164 if ret == nil then
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165 t_remove(self, i);
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diff changeset
166 t_remove(tags, curr_tag);
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167 n_children = n_children - 1;
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168 n_tags = n_tags - 1;
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169 i = i - 1;
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170 curr_tag = curr_tag - 1;
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171 else
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172 self[i] = ret;
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173 tags[curr_tag] = ret;
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174 end
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175 curr_tag = curr_tag + 1;
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176 end
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177 i = i + 1;
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178 end
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179 return self;
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180 end
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181
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182 function stanza_mt:find(path)
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183 local pos = 1;
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184 local len = #path + 1;
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185
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186 repeat
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187 local xmlns, name, text;
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188 local char = s_sub(path, pos, pos);
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189 if char == "@" then
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190 return self.attr[s_sub(path, pos + 1)];
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191 elseif char == "{" then
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192 xmlns, pos = s_match(path, "^([^}]+)}()", pos + 1);
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193 end
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194 name, text, pos = s_match(path, "^([^@/#]*)([/#]?)()", pos);
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195 name = name ~= "" and name or nil;
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196 if pos == len then
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197 if text == "#" then
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198 return self:get_child_text(name, xmlns);
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199 end
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200 return self:get_child(name, xmlns);
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201 end
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202 self = self:get_child(name, xmlns);
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203 until not self
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204 end
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205
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206
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diff changeset
207 local escape_table = { ["'"] = "&apos;", ["\""] = "&quot;", ["<"] = "&lt;", [">"] = "&gt;", ["&"] = "&amp;" };
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208 local function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end
1931
f203330eb82e util.stanza: Make xml_escape publicly accessible
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209
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210 local function _dostring(t, buf, self, _xml_escape, parentns)
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211 local nsid = 0;
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212 local name = t.name
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213 t_insert(buf, "<"..name);
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diff changeset
214 for k, v in pairs(t.attr) do
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215 if s_find(k, "\1", 1, true) then
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diff changeset
216 local ns, attrk = s_match(k, "^([^\1]*)\1?(.*)$");
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217 nsid = nsid + 1;
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diff changeset
218 t_insert(buf, " xmlns:ns"..nsid.."='".._xml_escape(ns).."' ".."ns"..nsid..":"..attrk.."='".._xml_escape(v).."'");
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parents: 1984
diff changeset
219 elseif not(k == "xmlns" and v == parentns) then
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diff changeset
220 t_insert(buf, " "..k.."='".._xml_escape(v).."'");
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diff changeset
221 end
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222 end
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223 local len = #t;
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224 if len == 0 then
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diff changeset
225 t_insert(buf, "/>");
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226 else
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diff changeset
227 t_insert(buf, ">");
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diff changeset
228 for n=1,len do
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diff changeset
229 local child = t[n];
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230 if child.name then
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parents: 6821
diff changeset
231 self(child, buf, self, _xml_escape, t.attr.xmlns);
1431
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diff changeset
232 else
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diff changeset
233 t_insert(buf, _xml_escape(child));
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diff changeset
234 end
4
09c3845ed442 Presence unavailable on disconnect
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parents: 2
diff changeset
235 end
1431
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diff changeset
236 t_insert(buf, "</"..name..">");
0
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diff changeset
237 end
626
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diff changeset
238 end
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
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parents: 519
diff changeset
239 function stanza_mt.__tostring(t)
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parents: 519
diff changeset
240 local buf = {};
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parents: 1984
diff changeset
241 _dostring(t, buf, _dostring, xml_escape, nil);
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parents: 519
diff changeset
242 return t_concat(buf);
0
3e3171b59028 First commit, where do you want to go tomorrow?
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parents:
diff changeset
243 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
244
242
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
245 function stanza_mt.top_tag(t)
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diff changeset
246 local attr_string = "";
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diff changeset
247 if t.attr then
338
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parents: 262
diff changeset
248 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
242
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
249 end
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
250 return s_format("<%s%s>", t.name, attr_string);
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
251 end
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
252
1420
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
253 function stanza_mt.get_text(t)
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
254 if #t.tags == 0 then
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
255 return t_concat(t);
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
256 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
257 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
258
2526
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
259 function stanza_mt.get_error(stanza)
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
260 local error_type, condition, text;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
261
2526
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
262 local error_tag = stanza:get_child("error");
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
263 if not error_tag then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
264 return nil, nil, nil;
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
265 end
7253
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Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
266 error_type = error_tag.attr.type;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
267
5090
61c7c53c06d5 util.stanza: Use ipairs instead of childtags (behavior changed in 92c86e11fd44)
Kim Alvefur <zash@zash.se>
parents: 4936
diff changeset
268 for _, child in ipairs(error_tag.tags) do
2526
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
269 if child.attr.xmlns == xmlns_stanzas then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
270 if not text and child.name == "text" then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
271 text = child:get_text();
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
272 elseif not condition then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
273 condition = child.name;
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
274 end
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
275 if condition and text then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
276 break;
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
277 end
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
278 end
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
279 end
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
280 return error_type, condition or "undefined-condition", text;
2526
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
281 end
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
282
6777
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Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
283 local id = 0;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
284 local function new_id()
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
285 id = id + 1;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
286 return "lx"..id;
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
287 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
288
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
289 local function preserialize(stanza)
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
290 local s = { name = stanza.name, attr = stanza.attr };
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
291 for _, child in ipairs(stanza) do
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
292 if type(child) == "table" then
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
293 t_insert(s, preserialize(child));
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
294 else
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
295 t_insert(s, child);
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
296 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
297 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
298 return s;
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
299 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
300
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
301 local function deserialize(stanza)
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
302 -- Set metatable
91
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
303 if stanza then
1415
957a81b72cb2 util.stanza: Remove numeric attributes while deserializing
Waqas Hussain <waqas20@gmail.com>
parents: 1151
diff changeset
304 local attr = stanza.attr;
957a81b72cb2 util.stanza: Remove numeric attributes while deserializing
Waqas Hussain <waqas20@gmail.com>
parents: 1151
diff changeset
305 for i=1,#attr do attr[i] = nil; end
2077
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
306 local attrx = {};
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
307 for att in pairs(attr) do
2956
15a145a67044 util.stanza: Fixed some more nil global accesses.
Waqas Hussain <waqas20@gmail.com>
parents: 2955
diff changeset
308 if s_find(att, "|", 1, true) and not s_find(att, "\1", 1, true) then
15a145a67044 util.stanza: Fixed some more nil global accesses.
Waqas Hussain <waqas20@gmail.com>
parents: 2955
diff changeset
309 local ns,na = s_match(att, "^([^|]+)|(.+)$");
2077
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
310 attrx[ns.."\1"..na] = attr[att];
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
311 attr[att] = nil;
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
312 end
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
313 end
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
314 for a,v in pairs(attrx) do
2956
15a145a67044 util.stanza: Fixed some more nil global accesses.
Waqas Hussain <waqas20@gmail.com>
parents: 2955
diff changeset
315 attr[a] = v;
2077
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
316 end
91
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
317 setmetatable(stanza, stanza_mt);
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
318 for _, child in ipairs(stanza) do
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
319 if type(child) == "table" then
91
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
320 deserialize(child);
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
321 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
322 end
91
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
323 if not stanza.tags then
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
324 -- Rebuild tags
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
325 local tags = {};
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
326 for _, child in ipairs(stanza) do
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
327 if type(child) == "table" then
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
328 t_insert(tags, child);
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
329 end
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
330 end
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
331 stanza.tags = tags;
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
332 end
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
333 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
334
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
335 return stanza;
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
336 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
337
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
338 local function clone(stanza)
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
339 local attr, tags = {}, {};
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
340 for k,v in pairs(stanza.attr) do attr[k] = v; end
6978
30c96a5db360 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)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
341 local old_namespaces, namespaces = stanza.namespaces;
30c96a5db360 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)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
342 if old_namespaces then
30c96a5db360 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)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
343 namespaces = {};
30c96a5db360 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)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
344 for k,v in pairs(old_namespaces) do namespaces[k] = v; end
30c96a5db360 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)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
345 end
30c96a5db360 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)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
346 local new = { name = stanza.name, attr = attr, namespaces = namespaces, tags = tags };
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
347 for i=1,#stanza do
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
348 local child = stanza[i];
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
349 if child.name then
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
350 child = clone(child);
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
351 t_insert(tags, child);
1517
22be7637a64d util.stanza: Convert spaces to tabs
Matthew Wild <mwild1@gmail.com>
parents: 1431
diff changeset
352 end
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
353 t_insert(new, child);
1517
22be7637a64d util.stanza: Convert spaces to tabs
Matthew Wild <mwild1@gmail.com>
parents: 1431
diff changeset
354 end
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
355 return setmetatable(new, stanza_mt);
829
b01fd698495e util/stanza: Added clone function
Waqas Hussain <waqas20@gmail.com>
parents: 776
diff changeset
356 end
b01fd698495e util/stanza: Added clone function
Waqas Hussain <waqas20@gmail.com>
parents: 776
diff changeset
357
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
358 local function message(attr, body)
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
359 if not body then
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
360 return new_stanza("message", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
361 else
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
362 return new_stanza("message", attr):tag("body"):text(body):up();
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
363 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
364 end
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
365 local function iq(attr)
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
366 if attr and not attr.id then attr.id = new_id(); end
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
367 return new_stanza("iq", attr or { id = new_id() });
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
368 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
369
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
370 local function reply(orig)
8382
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
371 return new_stanza(orig.name,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
372 orig.attr and {
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
373 to = orig.attr.from,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
374 from = orig.attr.to,
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375 id = orig.attr.id,
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376 type = ((orig.name == "iq" and "result") or orig.attr.type)
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377 });
0
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parents:
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378 end
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matthew
parents:
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379
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380 local xmpp_stanzas_attr = { xmlns = xmlns_stanzas };
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Matthew Wild <mwild1@gmail.com>
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381 local function error_reply(orig, error_type, condition, error_message)
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382 local t = reply(orig);
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383 t.attr.type = "error";
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Matthew Wild <mwild1@gmail.com>
parents: 6821
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384 t:tag("error", {type = error_type}) --COMPAT: Some day xmlns:stanzas goes here
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parents: 6501
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385 :tag(condition, xmpp_stanzas_attr):up();
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386 if error_message then t:tag("text", xmpp_stanzas_attr):text(error_message):up(); end
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387 return t; -- stanza ready for adding app-specific errors
60
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents: 30
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388 end
44800be871f5 User registration, etc (jabber:iq:register)
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parents: 30
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389
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390 local function presence(attr)
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391 return new_stanza("presence", attr);
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392 end
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393
262
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394 if do_pretty_printing then
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Matthew Wild <mwild1@gmail.com>
parents: 251
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395 local style_attrk = getstyle("yellow");
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Matthew Wild <mwild1@gmail.com>
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396 local style_attrv = getstyle("red");
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Matthew Wild <mwild1@gmail.com>
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397 local style_tagname = getstyle("red");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
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398 local style_punc = getstyle("magenta");
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
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399
262
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400 local attr_format = " "..getstring(style_attrk, "%s")..getstring(style_punc, "=")..getstring(style_attrv, "'%s'");
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parents: 251
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401 local top_tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
402 --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, ">");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
403 local tag_format = top_tag_format.."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
404 function stanza_mt.pretty_print(t)
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
405 local children_text = "";
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Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
406 for _, child in ipairs(t) do
2482
a1570e371258 util.stanza: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2264
diff changeset
407 if type(child) == "string" then
262
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408 children_text = children_text .. xml_escape(child);
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
409 else
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
410 children_text = children_text .. child:pretty_print();
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
411 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
412 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
413
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
414 local attr_string = "";
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
415 if t.attr then
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
416 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
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
417 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
418 return s_format(tag_format, t.name, attr_string, children_text, t.name);
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
419 end
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
420
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
421 function stanza_mt.pretty_top_tag(t)
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
422 local attr_string = "";
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
423 if t.attr then
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
424 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
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
425 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
426 return s_format(top_tag_format, t.name, attr_string);
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
427 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
428 else
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
429 -- Sorry, fresh out of colours for you guys ;)
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
430 stanza_mt.pretty_print = stanza_mt.__tostring;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
431 stanza_mt.pretty_top_tag = stanza_mt.top_tag;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
432 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
433
6777
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Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
434 return {
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
435 stanza_mt = stanza_mt;
7253
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Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
436 stanza = new_stanza;
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e58524240b30 util.stanza: Add an is_stanza() function to check if an object is a stanza
Kim Alvefur <zash@zash.se>
parents: 7253
diff changeset
437 is_stanza = is_stanza;
6777
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Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
438 new_id = new_id;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
439 preserialize = preserialize;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
440 deserialize = deserialize;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
441 clone = clone;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
442 message = message;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
443 iq = iq;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
444 reply = reply;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
445 error_reply = error_reply;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
446 presence = presence;
6821
5de30376bf98 util.stanza: Export xml_escape (missed during removal of module() calls)
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
447 xml_escape = xml_escape;
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
448 };