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util/stanza.lua @ 11639:ad39528e647d
util.stanza: Remove Windows "support" (disabling ANSI color pretty printing)
Always enable pretty printing if util.termcolours is available
util.termcolours can be nooped out to disable pretty printing.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 07 Nov 2020 21:39:36 +0100 |
parent | 11574:21217f7e82b9 |
child | 11640:51598e46e136 |
rev | line source |
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1523
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Remove version number from copyright headers
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1 -- Prosody IM |
2923
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Update copyright headers for 2010
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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. | |
4199
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util.stanza: Whitespace fix after merge (complicated)
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7 -- |
519
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8 |
1984
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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 error = error; |
1
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11 local t_insert = table.insert; |
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12 local t_remove = table.remove; |
613
6c09127b50fb
New, faster, stanza serialization
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13 local t_concat = table.concat; |
23 | 14 local s_format = string.format; |
829
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util/stanza: Added clone function
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15 local s_match = string.match; |
1
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16 local tostring = tostring; |
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17 local setmetatable = setmetatable; |
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util.stanza: Add an is_stanza() function to check if an object is a stanza
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18 local getmetatable = getmetatable; |
1
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19 local pairs = pairs; |
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20 local ipairs = ipairs; |
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21 local type = type; |
4 | 22 local s_gsub = string.gsub; |
5424
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util.stanza: Add stanza:find(), a light weight XPath-like method
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23 local s_sub = string.sub; |
1431
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util.stanza: Serializer optimizations, and nicer output for empty elements
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24 local s_find = string.find; |
145 | 25 |
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26 local valid_utf8 = require "util.encodings".utf8.valid; |
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27 |
11639
ad39528e647d
util.stanza: Remove Windows "support" (disabling ANSI color pretty printing)
Kim Alvefur <zash@zash.se>
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28 local do_pretty_printing, termcolours = pcall(require, "util.termcolours"); |
262 | 29 |
2955
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util.stanza: Fixed a nil global access.
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30 local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas"; |
f807dc244a5b
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31 |
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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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32 local _ENV = nil; |
8555
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vairious: Add annotation when an empty environment is set [luacheck]
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33 -- luacheck: std none |
0 | 34 |
8520
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util.stanza: Change __type to __name as this is used by Lua 5.3 in some error reporting functions
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35 local stanza_mt = { __name = "stanza" }; |
0 | 36 stanza_mt.__index = stanza_mt; |
37 | |
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38 local function valid_xml_cdata(str, attr) |
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39 return not s_find(str, attr and "[^\1\9\10\13\20-~\128-\247]" or "[^\9\10\13\20-~\128-\247]"); |
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40 end |
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41 |
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42 local function check_name(name, name_type) |
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43 if type(name) ~= "string" then |
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44 error("invalid "..name_type.." name: expected string, got "..type(name)); |
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45 elseif #name == 0 then |
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46 error("invalid "..name_type.." name: empty string"); |
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47 elseif s_find(name, "[<>& '\"]") then |
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48 error("invalid "..name_type.." name: contains invalid characters"); |
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49 elseif not valid_xml_cdata(name, name_type == "attribute") then |
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50 error("invalid "..name_type.." name: contains control characters"); |
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51 elseif not valid_utf8(name) then |
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52 error("invalid "..name_type.." name: contains invalid utf8"); |
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53 end |
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54 end |
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55 |
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56 local function check_text(text, text_type) |
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57 if type(text) ~= "string" then |
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58 error("invalid "..text_type.." value: expected string, got "..type(text)); |
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59 elseif not valid_xml_cdata(text, false) then |
11205
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60 error("invalid "..text_type.." value: contains control characters"); |
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61 elseif not valid_utf8(text) then |
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62 error("invalid "..text_type.." value: contains invalid utf8"); |
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63 end |
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64 end |
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65 |
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66 local function check_attr(attr) |
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67 if attr ~= nil then |
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68 if type(attr) ~= "table" then |
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69 error("invalid attributes, expected table got "..type(attr)); |
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70 end |
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71 for k, v in pairs(attr) do |
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72 check_name(k, "attribute"); |
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73 check_text(v, "attribute"); |
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74 if type(v) ~= "string" then |
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75 error("invalid attribute value for '"..k.."': expected string, got "..type(v)); |
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76 elseif not valid_utf8(v) then |
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77 error("invalid attribute value for '"..k.."': contains invalid utf8"); |
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78 end |
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79 end |
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80 end |
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81 end |
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82 |
7256 | 83 local function new_stanza(name, attr, namespaces) |
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84 check_name(name, "tag"); |
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85 check_attr(attr); |
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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)
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86 local stanza = { name = name, attr = attr or {}, namespaces = namespaces, tags = {} }; |
0 | 87 return setmetatable(stanza, stanza_mt); |
88 end | |
89 | |
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90 local function is_stanza(s) |
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91 return getmetatable(s) == stanza_mt; |
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92 end |
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93 |
0 | 94 function stanza_mt:query(xmlns) |
95 return self:tag("query", { xmlns = xmlns }); | |
96 end | |
373
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Add helper function for adding message bodies to stanzas
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97 |
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98 function stanza_mt:body(text, attr) |
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99 return self:text_tag("body", text, attr); |
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100 end |
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101 |
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102 function stanza_mt:text_tag(name, text, attr, namespaces) |
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103 return self:tag(name, attr, namespaces):text(text):up(); |
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104 end |
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105 |
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106 function stanza_mt:tag(name, attr, namespaces) |
7256 | 107 local s = new_stanza(name, attr, namespaces); |
3638
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util.stanza, util.xmppstream, core.xmlhandlers: Allow stanza.last_add to be nil, and set it nil by default. Saves a table allocation per-element. 20% faster stanza building.
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108 local last_add = self.last_add; |
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109 if not last_add then last_add = {}; self.last_add = last_add; end |
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110 (last_add[#last_add] or self):add_direct_child(s); |
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111 t_insert(last_add, s); |
0 | 112 return self; |
113 end | |
114 | |
115 function stanza_mt:text(text) | |
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116 if text ~= nil and text ~= "" then |
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117 local last_add = self.last_add; |
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118 (last_add and last_add[#last_add] or self):add_direct_child(text); |
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119 end |
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120 return self; |
0 | 121 end |
122 | |
123 function stanza_mt:up() | |
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124 local last_add = self.last_add; |
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125 if last_add then t_remove(last_add); end |
0 | 126 return self; |
127 end | |
128 | |
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129 function stanza_mt:at_top() |
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130 return self.last_add == nil or #self.last_add == 0 |
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131 end |
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132 |
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133 function stanza_mt:reset() |
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134 self.last_add = nil; |
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135 return self; |
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136 end |
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137 |
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138 function stanza_mt:add_direct_child(child) |
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139 if is_stanza(child) then |
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140 t_insert(self.tags, child); |
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141 t_insert(self, child); |
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142 else |
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143 check_text(child, "text"); |
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144 t_insert(self, child); |
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145 end |
0 | 146 end |
147 | |
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148 function stanza_mt:add_child(child) |
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149 local last_add = self.last_add; |
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150 (last_add and last_add[#last_add] or self):add_direct_child(child); |
180
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151 return self; |
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152 end |
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153 |
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154 function stanza_mt:remove_children(name, xmlns) |
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155 xmlns = xmlns or self.attr.xmlns; |
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156 return self:maptags(function (tag) |
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157 if (not name or tag.name == name) and tag.attr.xmlns == xmlns then |
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158 return nil; |
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159 end |
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160 return tag; |
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161 end); |
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162 end |
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163 |
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164 function stanza_mt:get_child(name, xmlns) |
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165 for _, child in ipairs(self.tags) do |
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166 if (not name or child.name == name) |
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167 and ((not xmlns and self.attr.xmlns == child.attr.xmlns) |
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168 or child.attr.xmlns == xmlns) then |
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169 |
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170 return child; |
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171 end |
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172 end |
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173 end |
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174 |
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175 function stanza_mt:get_child_text(name, xmlns) |
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176 local tag = self:get_child(name, xmlns); |
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177 if tag then |
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178 return tag:get_text(); |
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179 end |
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180 return nil; |
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181 end |
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182 |
0 | 183 function stanza_mt:child_with_name(name) |
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184 for _, child in ipairs(self.tags) do |
0 | 185 if child.name == name then return child; end |
186 end | |
187 end | |
188 | |
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189 function stanza_mt:child_with_ns(ns) |
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190 for _, child in ipairs(self.tags) do |
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191 if child.attr.xmlns == ns then return child; end |
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192 end |
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193 end |
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194 |
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195 function stanza_mt:children() |
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196 local i = 0; |
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197 return function (a) |
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198 i = i + 1 |
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199 return a[i]; |
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200 end, self, i; |
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201 end |
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202 |
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203 function stanza_mt:childtags(name, xmlns) |
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204 local tags = self.tags; |
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205 local start_i, max_i = 1, #tags; |
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206 return function () |
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207 for i = start_i, max_i do |
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208 local v = tags[i]; |
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209 if (not name or v.name == name) |
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210 and ((not xmlns and self.attr.xmlns == v.attr.xmlns) |
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211 or v.attr.xmlns == xmlns) then |
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212 start_i = i+1; |
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213 return v; |
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214 end |
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215 end |
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216 end; |
2 | 217 end |
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218 |
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219 function stanza_mt:maptags(callback) |
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220 local tags, curr_tag = self.tags, 1; |
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221 local n_children, n_tags = #self, #tags; |
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222 local max_iterations = n_children + 1; |
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223 |
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224 local i = 1; |
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225 while curr_tag <= n_tags and n_tags > 0 do |
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226 if self[i] == tags[curr_tag] then |
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227 local ret = callback(self[i]); |
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228 if ret == nil then |
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229 t_remove(self, i); |
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230 t_remove(tags, curr_tag); |
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231 n_children = n_children - 1; |
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232 n_tags = n_tags - 1; |
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233 i = i - 1; |
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234 curr_tag = curr_tag - 1; |
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235 else |
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236 self[i] = ret; |
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237 tags[curr_tag] = ret; |
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238 end |
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239 curr_tag = curr_tag + 1; |
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240 end |
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241 i = i + 1; |
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242 if i > max_iterations then |
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243 -- COMPAT: Hopefully temporary guard against #981 while we |
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244 -- figure out the root cause |
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245 error("Invalid stanza state! Please report this error."); |
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246 end |
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247 end |
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248 return self; |
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249 end |
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250 |
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251 function stanza_mt:find(path) |
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252 local pos = 1; |
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253 local len = #path + 1; |
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254 |
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255 repeat |
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256 local xmlns, name, text; |
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257 local char = s_sub(path, pos, pos); |
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258 if char == "@" then |
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259 return self.attr[s_sub(path, pos + 1)]; |
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260 elseif char == "{" then |
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261 xmlns, pos = s_match(path, "^([^}]+)}()", pos + 1); |
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262 end |
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263 name, text, pos = s_match(path, "^([^@/#]*)([/#]?)()", pos); |
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264 name = name ~= "" and name or nil; |
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265 if pos == len then |
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266 if text == "#" then |
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267 return self:get_child_text(name, xmlns); |
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268 end |
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269 return self:get_child(name, xmlns); |
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270 end |
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271 self = self:get_child(name, xmlns); |
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272 until not self |
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273 end |
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274 |
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275 local function _clone(stanza, only_top) |
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276 local attr, tags = {}, {}; |
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277 for k,v in pairs(stanza.attr) do attr[k] = v; end |
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278 local old_namespaces, namespaces = stanza.namespaces; |
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279 if old_namespaces then |
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280 namespaces = {}; |
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281 for k,v in pairs(old_namespaces) do namespaces[k] = v; end |
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282 end |
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283 local new = { name = stanza.name, attr = attr, namespaces = namespaces, tags = tags }; |
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284 if not only_top then |
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285 for i=1,#stanza do |
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286 local child = stanza[i]; |
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287 if child.name then |
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288 child = _clone(child); |
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289 t_insert(tags, child); |
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290 end |
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291 t_insert(new, child); |
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292 end |
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293 end |
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294 return setmetatable(new, stanza_mt); |
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295 end |
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296 |
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297 local function clone(stanza, only_top) |
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298 if not is_stanza(stanza) then |
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299 error("bad argument to clone: expected stanza, got "..type(stanza)); |
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300 end |
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301 return _clone(stanza, only_top); |
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302 end |
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303 |
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304 local escape_table = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" }; |
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305 local function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end |
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306 |
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307 local function _dostring(t, buf, self, _xml_escape, parentns) |
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308 local nsid = 0; |
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309 local name = t.name |
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310 t_insert(buf, "<"..name); |
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311 for k, v in pairs(t.attr) do |
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312 if s_find(k, "\1", 1, true) then |
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313 local ns, attrk = s_match(k, "^([^\1]*)\1?(.*)$"); |
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314 nsid = nsid + 1; |
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315 t_insert(buf, " xmlns:ns"..nsid.."='".._xml_escape(ns).."' ".."ns"..nsid..":"..attrk.."='".._xml_escape(v).."'"); |
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316 elseif not(k == "xmlns" and v == parentns) then |
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317 t_insert(buf, " "..k.."='".._xml_escape(v).."'"); |
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318 end |
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319 end |
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320 local len = #t; |
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321 if len == 0 then |
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322 t_insert(buf, "/>"); |
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323 else |
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324 t_insert(buf, ">"); |
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325 for n=1,len do |
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326 local child = t[n]; |
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327 if child.name then |
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328 self(child, buf, self, _xml_escape, t.attr.xmlns); |
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329 else |
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330 t_insert(buf, _xml_escape(child)); |
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331 end |
4 | 332 end |
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333 t_insert(buf, "</"..name..">"); |
0 | 334 end |
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335 end |
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336 function stanza_mt.__tostring(t) |
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337 local buf = {}; |
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338 _dostring(t, buf, _dostring, xml_escape, nil); |
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339 return t_concat(buf); |
0 | 340 end |
341 | |
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342 function stanza_mt.top_tag(t) |
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343 local top_tag_clone = clone(t, true); |
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344 return tostring(top_tag_clone):sub(1,-3)..">"; |
242
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345 end |
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346 |
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347 function stanza_mt.get_text(t) |
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348 if #t.tags == 0 then |
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|
349 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
|
350 end |
1576a5aa52f8
util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents:
1416
diff
changeset
|
351 end |
1576a5aa52f8
util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents:
1416
diff
changeset
|
352 |
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
|
353 function stanza_mt.get_error(stanza) |
11088
1f84d0e4d0c4
util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents:
11086
diff
changeset
|
354 local error_type, condition, text, extra_tag; |
5776
bd0ff8ae98a8
Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
5435
diff
changeset
|
355 |
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
|
356 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
|
357 if not error_tag then |
11088
1f84d0e4d0c4
util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents:
11086
diff
changeset
|
358 return nil, nil, nil, nil; |
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
|
359 end |
7253
f4e71242556a
util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents:
6821
diff
changeset
|
360 error_type = error_tag.attr.type; |
5776
bd0ff8ae98a8
Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
5435
diff
changeset
|
361 |
5090
61c7c53c06d5
util.stanza: Use ipairs instead of childtags (behavior changed in 92c86e11fd44)
Kim Alvefur <zash@zash.se>
parents:
4936
diff
changeset
|
362 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
|
363 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
|
364 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
|
365 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
|
366 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
|
367 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
|
368 end |
11088
1f84d0e4d0c4
util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents:
11086
diff
changeset
|
369 else |
1f84d0e4d0c4
util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents:
11086
diff
changeset
|
370 extra_tag = child; |
1f84d0e4d0c4
util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents:
11086
diff
changeset
|
371 end |
1f84d0e4d0c4
util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents:
11086
diff
changeset
|
372 if condition and text and extra_tag then |
1f84d0e4d0c4
util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents:
11086
diff
changeset
|
373 break; |
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
|
374 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
|
375 end |
11088
1f84d0e4d0c4
util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents:
11086
diff
changeset
|
376 return error_type, condition or "undefined-condition", text, extra_tag; |
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
|
377 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
|
378 |
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
|
379 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
|
380 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
|
381 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
|
382 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
|
383 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
|
384 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
|
385 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
|
386 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
|
387 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
|
388 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
|
389 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
|
390 |
9489
09b873ac7eb8
util.stanza: Set preserialize as freeze metamethod
Kim Alvefur <zash@zash.se>
parents:
9307
diff
changeset
|
391 stanza_mt.__freeze = preserialize; |
09b873ac7eb8
util.stanza: Set preserialize as freeze metamethod
Kim Alvefur <zash@zash.se>
parents:
9307
diff
changeset
|
392 |
9674
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
393 local function deserialize(serialized) |
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
|
394 -- Set metatable |
9674
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
395 if serialized then |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
396 local attr = serialized.attr; |
2077
e33658f6052c
Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents:
1984
diff
changeset
|
397 local attrx = {}; |
9674
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
398 for att, val in pairs(attr) do |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
399 if type(att) == "string" then |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
400 if s_find(att, "|", 1, true) and not s_find(att, "\1", 1, true) then |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
401 local ns,na = s_match(att, "^([^|]+)|(.+)$"); |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
402 attrx[ns.."\1"..na] = val; |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
403 else |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
404 attrx[att] = val; |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
405 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
|
406 end |
e33658f6052c
Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents:
1984
diff
changeset
|
407 end |
9674
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
408 local stanza = new_stanza(serialized.name, attrx); |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
409 for _, child in ipairs(serialized) do |
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
|
410 if type(child) == "table" then |
9674
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
411 stanza:add_direct_child(deserialize(child)); |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
412 elseif type(child) == "string" then |
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
413 stanza:add_direct_child(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
|
414 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
|
415 end |
9674
6f97acc4583b
util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents:
9630
diff
changeset
|
416 return 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
|
417 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
|
418 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
|
419 |
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
|
420 local function message(attr, body) |
0 | 421 if not body then |
7253
f4e71242556a
util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents:
6821
diff
changeset
|
422 return new_stanza("message", attr); |
0 | 423 else |
10116
4807535b8673
util.stanza: Use :text_tag internally everywhere
Kim Alvefur <zash@zash.se>
parents:
9924
diff
changeset
|
424 return new_stanza("message", attr):text_tag("body", body); |
0 | 425 end |
426 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
|
427 local function iq(attr) |
9732
51583ea2b4fd
util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents:
9674
diff
changeset
|
428 if not attr then |
51583ea2b4fd
util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents:
9674
diff
changeset
|
429 error("iq stanzas require id and type attributes"); |
51583ea2b4fd
util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents:
9674
diff
changeset
|
430 end |
51583ea2b4fd
util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents:
9674
diff
changeset
|
431 if not attr.id then |
9307
feaef6215bb8
util.stanza: Don't automatically generate ids for iq stanzas
Matthew Wild <mwild1@gmail.com>
parents:
9217
diff
changeset
|
432 error("iq stanzas require an id attribute"); |
feaef6215bb8
util.stanza: Don't automatically generate ids for iq stanzas
Matthew Wild <mwild1@gmail.com>
parents:
9217
diff
changeset
|
433 end |
9732
51583ea2b4fd
util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents:
9674
diff
changeset
|
434 if not attr.type then |
51583ea2b4fd
util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents:
9674
diff
changeset
|
435 error("iq stanzas require a type attribute"); |
51583ea2b4fd
util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents:
9674
diff
changeset
|
436 end |
9307
feaef6215bb8
util.stanza: Don't automatically generate ids for iq stanzas
Matthew Wild <mwild1@gmail.com>
parents:
9217
diff
changeset
|
437 return new_stanza("iq", attr); |
0 | 438 end |
439 | |
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
|
440 local function reply(orig) |
10442
22db763c510c
util.stanza: Check that argument to reply is a stanza
Kim Alvefur <zash@zash.se>
parents:
10116
diff
changeset
|
441 if not is_stanza(orig) then |
22db763c510c
util.stanza: Check that argument to reply is a stanza
Kim Alvefur <zash@zash.se>
parents:
10116
diff
changeset
|
442 error("bad argument to reply: expected stanza, got "..type(orig)); |
22db763c510c
util.stanza: Check that argument to reply is a stanza
Kim Alvefur <zash@zash.se>
parents:
10116
diff
changeset
|
443 end |
8382
e5d00bf4a4d5
util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents:
7758
diff
changeset
|
444 return new_stanza(orig.name, |
10443
f28718f46196
util.stanza: Remove redundant check for attrs
Kim Alvefur <zash@zash.se>
parents:
10442
diff
changeset
|
445 { |
8382
e5d00bf4a4d5
util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents:
7758
diff
changeset
|
446 to = orig.attr.from, |
e5d00bf4a4d5
util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents:
7758
diff
changeset
|
447 from = orig.attr.to, |
e5d00bf4a4d5
util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents:
7758
diff
changeset
|
448 id = orig.attr.id, |
e5d00bf4a4d5
util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents:
7758
diff
changeset
|
449 type = ((orig.name == "iq" and "result") or orig.attr.type) |
e5d00bf4a4d5
util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents:
7758
diff
changeset
|
450 }); |
0 | 451 end |
452 | |
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
|
453 local xmpp_stanzas_attr = { xmlns = xmlns_stanzas }; |
10446
5c2d1b13537c
util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents:
10445
diff
changeset
|
454 local function error_reply(orig, error_type, condition, error_message, error_by) |
10444
4eab1f5a4f3b
util.stanza: Check that argument to error_reply is a stanza
Kim Alvefur <zash@zash.se>
parents:
10443
diff
changeset
|
455 if not is_stanza(orig) then |
4eab1f5a4f3b
util.stanza: Check that argument to error_reply is a stanza
Kim Alvefur <zash@zash.se>
parents:
10443
diff
changeset
|
456 error("bad argument to error_reply: expected stanza, got "..type(orig)); |
10445
f53c03ab4357
util.stanza: Check that argument to error_reply is NOT a stanza of type error
Kim Alvefur <zash@zash.se>
parents:
10444
diff
changeset
|
457 elseif orig.attr.type == "error" then |
f53c03ab4357
util.stanza: Check that argument to error_reply is NOT a stanza of type error
Kim Alvefur <zash@zash.se>
parents:
10444
diff
changeset
|
458 error("bad argument to error_reply: got stanza of type error which must not be replied to"); |
10444
4eab1f5a4f3b
util.stanza: Check that argument to error_reply is a stanza
Kim Alvefur <zash@zash.se>
parents:
10443
diff
changeset
|
459 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
|
460 local t = reply(orig); |
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
|
461 t.attr.type = "error"; |
11084
5e09a3389adb
util.stanza: Support inclusion of <gone> URI from util.error object
Kim Alvefur <zash@zash.se>
parents:
11083
diff
changeset
|
462 local extra; |
11082
c26599a78fae
util.stanza: Reorder code to prepare for extracting 'by' from util.error
Kim Alvefur <zash@zash.se>
parents:
10717
diff
changeset
|
463 if type(error_type) == "table" then -- an util.error or similar object |
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464 if type(error_type.extra) == "table" then |
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465 extra = error_type.extra; |
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466 end |
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467 if type(error_type.context) == "table" and type(error_type.context.by) == "string" then error_by = error_type.context.by; end |
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468 error_type, condition, error_message = error_type.type, error_type.condition, error_type.text; |
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469 end |
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470 if t.attr.from == error_by then |
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471 error_by = nil; |
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472 end |
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473 t:tag("error", {type = error_type, by = error_by}) --COMPAT: Some day xmlns:stanzas goes here |
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474 :tag(condition, xmpp_stanzas_attr); |
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475 if extra and condition == "gone" and type(extra.uri) == "string" then |
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476 t:text(extra.uri); |
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477 end |
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478 t:up(); |
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479 if error_message then t:text_tag("text", error_message, xmpp_stanzas_attr); end |
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480 if extra and is_stanza(extra.tag) then |
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481 t:add_child(extra.tag); |
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482 elseif extra and extra.namespace and extra.condition then |
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483 t:tag(extra.condition, { xmlns = extra.namespace }):up(); |
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484 end |
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485 return t; -- stanza ready for adding app-specific errors |
60
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
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30
diff
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486 end |
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diff
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487 |
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488 local function presence(attr) |
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489 return new_stanza("presence", attr); |
0 | 490 end |
491 | |
262 | 492 if do_pretty_printing then |
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493 local getstyle, getstring = termcolours.getstyle, termcolours.getstring; |
262 | 494 local style_attrk = getstyle("yellow"); |
495 local style_attrv = getstyle("red"); | |
496 local style_tagname = getstyle("red"); | |
497 local style_punc = getstyle("magenta"); | |
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498 |
262 | 499 local attr_format = " "..getstring(style_attrk, "%s")..getstring(style_punc, "=")..getstring(style_attrv, "'%s'"); |
500 local top_tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">"); | |
501 --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, ">"); | |
502 local tag_format = top_tag_format.."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">"); | |
503 function stanza_mt.pretty_print(t) | |
504 local children_text = ""; | |
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505 for _, child in ipairs(t) do |
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506 if type(child) == "string" then |
262 | 507 children_text = children_text .. xml_escape(child); |
508 else | |
509 children_text = children_text .. child:pretty_print(); | |
510 end | |
511 end | |
512 | |
513 local attr_string = ""; | |
514 if t.attr then | |
515 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 | |
516 end | |
517 return s_format(tag_format, t.name, attr_string, children_text, t.name); | |
518 end | |
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519 |
262 | 520 function stanza_mt.pretty_top_tag(t) |
521 local attr_string = ""; | |
522 if t.attr then | |
523 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 | |
524 end | |
525 return s_format(top_tag_format, t.name, attr_string); | |
526 end | |
527 else | |
528 -- Sorry, fresh out of colours for you guys ;) | |
529 stanza_mt.pretty_print = stanza_mt.__tostring; | |
530 stanza_mt.pretty_top_tag = stanza_mt.top_tag; | |
531 end | |
532 | |
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533 function stanza_mt.indent(t, level, indent) |
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534 if #t == 0 or (#t == 1 and type(t[1]) == "string") then |
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535 -- Empty nodes wouldn't have any indentation |
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diff
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536 -- Text-only nodes are preserved as to not alter the text content |
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537 -- Optimization: Skip clone of these since we don't alter them |
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538 return t; |
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539 end |
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|
540 |
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|
541 indent = indent or "\t"; |
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|
542 level = level or 1; |
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diff
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|
543 local tag = clone(t, true); |
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diff
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|
544 |
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|
545 for child in t:children() do |
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|
546 if type(child) == "string" then |
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547 -- Already indented text would look weird but let's ignore that for now. |
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diff
changeset
|
548 if child:find("%S") then |
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549 tag:text("\n" .. indent:rep(level)); |
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550 tag:text(child); |
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|
551 end |
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|
552 elseif is_stanza(child) then |
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diff
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|
553 tag:text("\n" .. indent:rep(level)); |
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diff
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|
554 tag:add_direct_child(child:indent(level+1, indent)); |
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|
555 end |
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diff
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|
556 end |
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diff
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|
557 -- before the closing tag |
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diff
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|
558 tag:text("\n" .. indent:rep((level-1))); |
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diff
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|
559 |
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|
560 return tag; |
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diff
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|
561 end |
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|
562 |
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|
563 return { |
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diff
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|
564 stanza_mt = stanza_mt; |
7253
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diff
changeset
|
565 stanza = new_stanza; |
7750
e58524240b30
util.stanza: Add an is_stanza() function to check if an object is a stanza
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7253
diff
changeset
|
566 is_stanza = is_stanza; |
6777
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|
567 preserialize = preserialize; |
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568 deserialize = deserialize; |
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569 clone = clone; |
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570 message = message; |
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571 iq = iq; |
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572 reply = reply; |
5de6b93d0190
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573 error_reply = error_reply; |
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diff
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|
574 presence = presence; |
6821
5de30376bf98
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6777
diff
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|
575 xml_escape = xml_escape; |
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576 }; |