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util/stanza.lua @ 7867:194f540e13e2
util.sslconfig: Remvoe flag merging for 'verify' as this is more of a tri-state field than a set of options
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 26 Jan 2017 14:18:30 +0100 |
parent | 7750:e58524240b30 |
child | 7758:2b305ec8c146 |
child | 8998:6bddc90eeb27 |
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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 -- |
758 | 5 -- This project is MIT/X11 licensed. Please see the |
6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 |
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util.stanza: Don't add xmlns to tags when serializing if same as the parent tag's xmlns. Should hopefully shut up Gajim once and for all :)
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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; |
23 | 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; |
4 | 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; |
145 | 25 |
262 | 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 |
262 | 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; |
0 | 40 |
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41 local stanza_mt = { __type = "stanza" }; |
0 | 42 stanza_mt.__index = stanza_mt; |
43 | |
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44 local function new_stanza(name, attr) |
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45 local stanza = { name = name, attr = attr or {}, tags = {} }; |
0 | 46 return setmetatable(stanza, stanza_mt); |
47 end | |
48 | |
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49 local function is_stanza(s) |
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50 return getmetatable(s) == stanza_mt; |
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51 end |
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52 |
0 | 53 function stanza_mt:query(xmlns) |
54 return self:tag("query", { xmlns = xmlns }); | |
55 end | |
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56 |
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57 function stanza_mt:body(text, attr) |
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58 return self:tag("body", attr):text(text); |
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59 end |
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60 |
0 | 61 function stanza_mt:tag(name, attrs) |
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62 local s = new_stanza(name, attrs); |
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63 local last_add = self.last_add; |
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64 if not last_add then last_add = {}; self.last_add = last_add; end |
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65 (last_add[#last_add] or self):add_direct_child(s); |
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66 t_insert(last_add, s); |
0 | 67 return self; |
68 end | |
69 | |
70 function stanza_mt:text(text) | |
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71 local last_add = self.last_add; |
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72 (last_add and last_add[#last_add] or self):add_direct_child(text); |
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73 return self; |
0 | 74 end |
75 | |
76 function stanza_mt:up() | |
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77 local last_add = self.last_add; |
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78 if last_add then t_remove(last_add); end |
0 | 79 return self; |
80 end | |
81 | |
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82 function stanza_mt:reset() |
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83 self.last_add = nil; |
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84 return self; |
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85 end |
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86 |
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87 function stanza_mt:add_direct_child(child) |
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88 if type(child) == "table" then |
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89 t_insert(self.tags, child); |
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90 end |
0 | 91 t_insert(self, child); |
92 end | |
93 | |
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94 function stanza_mt:add_child(child) |
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95 local last_add = self.last_add; |
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96 (last_add and last_add[#last_add] or self):add_direct_child(child); |
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97 return self; |
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98 end |
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99 |
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100 function stanza_mt:get_child(name, xmlns) |
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101 for _, child in ipairs(self.tags) do |
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102 if (not name or child.name == name) |
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103 and ((not xmlns and self.attr.xmlns == child.attr.xmlns) |
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104 or child.attr.xmlns == xmlns) then |
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105 |
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106 return child; |
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107 end |
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108 end |
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109 end |
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110 |
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111 function stanza_mt:get_child_text(name, xmlns) |
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112 local tag = self:get_child(name, xmlns); |
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113 if tag then |
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114 return tag:get_text(); |
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115 end |
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116 return nil; |
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117 end |
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118 |
0 | 119 function stanza_mt:child_with_name(name) |
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120 for _, child in ipairs(self.tags) do |
0 | 121 if child.name == name then return child; end |
122 end | |
123 end | |
124 | |
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125 function stanza_mt:child_with_ns(ns) |
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126 for _, child in ipairs(self.tags) do |
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127 if child.attr.xmlns == ns then return child; end |
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128 end |
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129 end |
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130 |
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131 function stanza_mt:children() |
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132 local i = 0; |
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133 return function (a) |
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134 i = i + 1 |
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135 return a[i]; |
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136 end, self, i; |
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137 end |
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138 |
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139 function stanza_mt:childtags(name, xmlns) |
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140 local tags = self.tags; |
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141 local start_i, max_i = 1, #tags; |
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142 return function () |
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143 for i = start_i, max_i do |
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144 local v = tags[i]; |
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145 if (not name or v.name == name) |
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146 and ((not xmlns and self.attr.xmlns == v.attr.xmlns) |
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147 or v.attr.xmlns == xmlns) then |
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148 start_i = i+1; |
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149 return v; |
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150 end |
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151 end |
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152 end; |
2 | 153 end |
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154 |
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155 function stanza_mt:maptags(callback) |
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156 local tags, curr_tag = self.tags, 1; |
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157 local n_children, n_tags = #self, #tags; |
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158 |
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159 local i = 1; |
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160 while curr_tag <= n_tags and n_tags > 0 do |
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161 if self[i] == tags[curr_tag] then |
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162 local ret = callback(self[i]); |
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163 if ret == nil then |
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164 t_remove(self, i); |
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165 t_remove(tags, curr_tag); |
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166 n_children = n_children - 1; |
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167 n_tags = n_tags - 1; |
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168 i = i - 1; |
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169 curr_tag = curr_tag - 1; |
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170 else |
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171 self[i] = ret; |
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172 tags[curr_tag] = ret; |
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173 end |
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174 curr_tag = curr_tag + 1; |
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175 end |
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176 i = i + 1; |
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177 end |
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178 return self; |
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179 end |
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180 |
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181 function stanza_mt:find(path) |
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182 local pos = 1; |
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183 local len = #path + 1; |
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184 |
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185 repeat |
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186 local xmlns, name, text; |
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187 local char = s_sub(path, pos, pos); |
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188 if char == "@" then |
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189 return self.attr[s_sub(path, pos + 1)]; |
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190 elseif char == "{" then |
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191 xmlns, pos = s_match(path, "^([^}]+)}()", pos + 1); |
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192 end |
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193 name, text, pos = s_match(path, "^([^@/#]*)([/#]?)()", pos); |
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194 name = name ~= "" and name or nil; |
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195 if pos == len then |
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196 if text == "#" then |
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197 return self:get_child_text(name, xmlns); |
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198 end |
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199 return self:get_child(name, xmlns); |
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200 end |
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201 self = self:get_child(name, xmlns); |
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202 until not self |
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203 end |
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204 |
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205 |
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206 local escape_table = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" }; |
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207 local function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end |
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208 |
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209 local function _dostring(t, buf, self, _xml_escape, parentns) |
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210 local nsid = 0; |
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211 local name = t.name |
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212 t_insert(buf, "<"..name); |
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213 for k, v in pairs(t.attr) do |
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214 if s_find(k, "\1", 1, true) then |
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215 local ns, attrk = s_match(k, "^([^\1]*)\1?(.*)$"); |
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216 nsid = nsid + 1; |
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217 t_insert(buf, " xmlns:ns"..nsid.."='".._xml_escape(ns).."' ".."ns"..nsid..":"..attrk.."='".._xml_escape(v).."'"); |
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218 elseif not(k == "xmlns" and v == parentns) then |
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219 t_insert(buf, " "..k.."='".._xml_escape(v).."'"); |
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220 end |
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221 end |
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222 local len = #t; |
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223 if len == 0 then |
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224 t_insert(buf, "/>"); |
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225 else |
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226 t_insert(buf, ">"); |
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227 for n=1,len do |
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228 local child = t[n]; |
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229 if child.name then |
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230 self(child, buf, self, _xml_escape, t.attr.xmlns); |
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231 else |
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232 t_insert(buf, _xml_escape(child)); |
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233 end |
4 | 234 end |
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235 t_insert(buf, "</"..name..">"); |
0 | 236 end |
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237 end |
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238 function stanza_mt.__tostring(t) |
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239 local buf = {}; |
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240 _dostring(t, buf, _dostring, xml_escape, nil); |
626
cf1d26fd4d6f
Optimized stanza_mt.__tostring (called when doing tostring(stanza))
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diff
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|
241 return t_concat(buf); |
0 | 242 end |
243 | |
242
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diff
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|
244 function stanza_mt.top_tag(t) |
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diff
changeset
|
245 local attr_string = ""; |
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diff
changeset
|
246 if t.attr then |
338
804f5e62a41f
Don't forget to escape XML in attributes. Thanks to the Postgres Q&A room on conference.jabber.org :)
Matthew Wild <mwild1@gmail.com>
parents:
262
diff
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|
247 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
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diff
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|
248 end |
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diff
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|
249 return s_format("<%s%s>", t.name, attr_string); |
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diff
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|
250 end |
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Add new top_tag() method to stanzas
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|
251 |
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|
252 function stanza_mt.get_text(t) |
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|
253 if #t.tags == 0 then |
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util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
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|
254 return t_concat(t); |
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|
255 end |
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diff
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|
256 end |
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util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
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|
257 |
2526
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util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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|
258 function stanza_mt.get_error(stanza) |
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util.stanza: Some code cleanup [luacheck]
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|
259 local error_type, condition, text; |
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260 |
2526
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util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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|
261 local error_tag = stanza:get_child("error"); |
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|
262 if not error_tag then |
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|
263 return nil, nil, nil; |
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diff
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|
264 end |
7253
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util.stanza: Some code cleanup [luacheck]
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parents:
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|
265 error_type = error_tag.attr.type; |
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Florian Zeitz <florob@babelmonkeys.de>
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diff
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|
266 |
5090
61c7c53c06d5
util.stanza: Use ipairs instead of childtags (behavior changed in 92c86e11fd44)
Kim Alvefur <zash@zash.se>
parents:
4936
diff
changeset
|
267 for _, child in ipairs(error_tag.tags) do |
2526
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util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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parents:
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|
268 if child.attr.xmlns == xmlns_stanzas then |
401ff68413a1
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parents:
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|
269 if not text and child.name == "text" then |
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|
270 text = child:get_text(); |
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|
271 elseif not condition then |
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|
272 condition = child.name; |
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|
273 end |
401ff68413a1
util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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|
274 if condition and text then |
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|
275 break; |
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util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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diff
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|
276 end |
401ff68413a1
util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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parents:
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diff
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|
277 end |
401ff68413a1
util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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parents:
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diff
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|
278 end |
7253
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util.stanza: Some code cleanup [luacheck]
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diff
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|
279 return error_type, condition or "undefined-condition", text; |
2526
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util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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parents:
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diff
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|
280 end |
401ff68413a1
util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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|
281 |
6777
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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:
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diff
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|
282 local id = 0; |
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
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parents:
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diff
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|
283 local function new_id() |
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parents:
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284 id = id + 1; |
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util.*: Remove use of module() function, make all module functions local and return them in a table at the end
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|
285 return "lx"..id; |
0 | 286 end |
287 | |
6777
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parents:
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diff
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|
288 local function preserialize(stanza) |
90
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
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diff
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|
289 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.
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parents:
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diff
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|
290 for _, child in ipairs(stanza) do |
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Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
291 if type(child) == "table" then |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
292 t_insert(s, preserialize(child)); |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
293 else |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
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diff
changeset
|
294 t_insert(s, child); |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
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diff
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|
295 end |
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Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
296 end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
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diff
changeset
|
297 return s; |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
298 end |
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Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
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diff
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|
299 |
6777
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util.*: Remove use of module() function, make all module functions local and return them in a table at the end
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parents:
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diff
changeset
|
300 local function deserialize(stanza) |
90
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
301 -- Set metatable |
91
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
302 if stanza then |
1415
957a81b72cb2
util.stanza: Remove numeric attributes while deserializing
Waqas Hussain <waqas20@gmail.com>
parents:
1151
diff
changeset
|
303 local attr = stanza.attr; |
957a81b72cb2
util.stanza: Remove numeric attributes while deserializing
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parents:
1151
diff
changeset
|
304 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
|
305 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
|
306 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
|
307 if s_find(att, "|", 1, true) and not s_find(att, "\1", 1, true) then |
15a145a67044
util.stanza: Fixed some more nil global accesses.
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parents:
2955
diff
changeset
|
308 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
|
309 attrx[ns.."\1"..na] = attr[att]; |
e33658f6052c
Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
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parents:
1984
diff
changeset
|
310 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
|
311 end |
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 for a,v in pairs(attrx) do |
2956
15a145a67044
util.stanza: Fixed some more nil global accesses.
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parents:
2955
diff
changeset
|
314 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
|
315 end |
91
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
316 setmetatable(stanza, stanza_mt); |
90
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
317 for _, child in ipairs(stanza) do |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
318 if type(child) == "table" then |
91
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
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parents:
90
diff
changeset
|
319 deserialize(child); |
90
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
320 end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
321 end |
91
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
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parents:
90
diff
changeset
|
322 if not stanza.tags then |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
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parents:
90
diff
changeset
|
323 -- Rebuild tags |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
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parents:
90
diff
changeset
|
324 local tags = {}; |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
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parents:
90
diff
changeset
|
325 for _, child in ipairs(stanza) do |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
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parents:
90
diff
changeset
|
326 if type(child) == "table" then |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
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parents:
90
diff
changeset
|
327 t_insert(tags, child); |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
328 end |
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
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parents:
90
diff
changeset
|
330 stanza.tags = tags; |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
331 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
|
332 end |
5776
bd0ff8ae98a8
Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
5435
diff
changeset
|
333 |
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
|
334 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
|
335 end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
70
diff
changeset
|
336 |
6777
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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
|
337 local function clone(stanza) |
4179
aa07a381e5a6
util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents:
4168
diff
changeset
|
338 local attr, tags = {}, {}; |
aa07a381e5a6
util.stanza: Rewrite clone() to be more optimized.
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parents:
4168
diff
changeset
|
339 for k,v in pairs(stanza.attr) do attr[k] = v; end |
aa07a381e5a6
util.stanza: Rewrite clone() to be more optimized.
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parents:
4168
diff
changeset
|
340 local new = { name = stanza.name, attr = attr, tags = tags }; |
aa07a381e5a6
util.stanza: Rewrite clone() to be more optimized.
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parents:
4168
diff
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|
341 for i=1,#stanza do |
aa07a381e5a6
util.stanza: Rewrite clone() to be more optimized.
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parents:
4168
diff
changeset
|
342 local child = stanza[i]; |
aa07a381e5a6
util.stanza: Rewrite clone() to be more optimized.
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parents:
4168
diff
changeset
|
343 if child.name then |
6777
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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:
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diff
changeset
|
344 child = clone(child); |
4179
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util.stanza: Rewrite clone() to be more optimized.
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parents:
4168
diff
changeset
|
345 t_insert(tags, child); |
1517
22be7637a64d
util.stanza: Convert spaces to tabs
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parents:
1431
diff
changeset
|
346 end |
4179
aa07a381e5a6
util.stanza: Rewrite clone() to be more optimized.
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parents:
4168
diff
changeset
|
347 t_insert(new, child); |
1517
22be7637a64d
util.stanza: Convert spaces to tabs
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parents:
1431
diff
changeset
|
348 end |
4179
aa07a381e5a6
util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents:
4168
diff
changeset
|
349 return setmetatable(new, stanza_mt); |
829
b01fd698495e
util/stanza: Added clone function
Waqas Hussain <waqas20@gmail.com>
parents:
776
diff
changeset
|
350 end |
b01fd698495e
util/stanza: Added clone function
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parents:
776
diff
changeset
|
351 |
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352 local function message(attr, body) |
0 | 353 if not body then |
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354 return new_stanza("message", attr); |
0 | 355 else |
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356 return new_stanza("message", attr):tag("body"):text(body):up(); |
0 | 357 end |
358 end | |
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359 local function iq(attr) |
0 | 360 if attr and not attr.id then attr.id = new_id(); end |
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361 return new_stanza("iq", attr or { id = new_id() }); |
0 | 362 end |
363 | |
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364 local function reply(orig) |
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365 return new_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) }); |
0 | 366 end |
367 | |
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368 local xmpp_stanzas_attr = { xmlns = xmlns_stanzas }; |
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369 local function error_reply(orig, error_type, condition, error_message) |
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370 local t = reply(orig); |
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371 t.attr.type = "error"; |
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372 t:tag("error", {type = error_type}) --COMPAT: Some day xmlns:stanzas goes here |
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373 :tag(condition, xmpp_stanzas_attr):up(); |
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374 if error_message then t:tag("text", xmpp_stanzas_attr):text(error_message):up(); end |
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375 return t; -- stanza ready for adding app-specific errors |
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376 end |
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377 |
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378 local function presence(attr) |
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379 return new_stanza("presence", attr); |
0 | 380 end |
381 | |
262 | 382 if do_pretty_printing then |
383 local style_attrk = getstyle("yellow"); | |
384 local style_attrv = getstyle("red"); | |
385 local style_tagname = getstyle("red"); | |
386 local style_punc = getstyle("magenta"); | |
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387 |
262 | 388 local attr_format = " "..getstring(style_attrk, "%s")..getstring(style_punc, "=")..getstring(style_attrv, "'%s'"); |
389 local top_tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">"); | |
390 --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, ">"); | |
391 local tag_format = top_tag_format.."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">"); | |
392 function stanza_mt.pretty_print(t) | |
393 local children_text = ""; | |
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394 for _, child in ipairs(t) do |
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395 if type(child) == "string" then |
262 | 396 children_text = children_text .. xml_escape(child); |
397 else | |
398 children_text = children_text .. child:pretty_print(); | |
399 end | |
400 end | |
401 | |
402 local attr_string = ""; | |
403 if t.attr then | |
404 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 | |
405 end | |
406 return s_format(tag_format, t.name, attr_string, children_text, t.name); | |
407 end | |
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408 |
262 | 409 function stanza_mt.pretty_top_tag(t) |
410 local attr_string = ""; | |
411 if t.attr then | |
412 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 | |
413 end | |
414 return s_format(top_tag_format, t.name, attr_string); | |
415 end | |
416 else | |
417 -- Sorry, fresh out of colours for you guys ;) | |
418 stanza_mt.pretty_print = stanza_mt.__tostring; | |
419 stanza_mt.pretty_top_tag = stanza_mt.top_tag; | |
420 end | |
421 | |
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422 return { |
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423 stanza_mt = stanza_mt; |
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424 stanza = new_stanza; |
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425 is_stanza = is_stanza; |
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426 new_id = new_id; |
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427 preserialize = preserialize; |
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428 deserialize = deserialize; |
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429 clone = clone; |
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430 message = message; |
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431 iq = iq; |
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432 reply = reply; |
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433 error_reply = error_reply; |
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434 presence = presence; |
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435 xml_escape = xml_escape; |
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436 }; |