Annotate

util/stanza.lua @ 11088:1f84d0e4d0c4

util.stanza: Extract Application-Specific Condition from errors API change
author Kim Alvefur <zash@zash.se>
date Sat, 26 Sep 2020 18:12:18 +0200
parent 11086:2846b6226a8e
child 11206:f051394762ff
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10 local error = error;
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11 local t_insert = table.insert;
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12 local t_remove = table.remove;
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13 local t_concat = table.concat;
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236375777f8c Some docs written by Thorns. Need reviewing.
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14 local s_format = string.format;
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15 local s_match = string.match;
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16 local tostring = tostring;
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17 local setmetatable = setmetatable;
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18 local getmetatable = getmetatable;
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19 local pairs = pairs;
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20 local ipairs = ipairs;
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21 local type = type;
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22 local s_gsub = string.gsub;
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23 local s_sub = string.sub;
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24 local s_find = string.find;
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25 local os = os;
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27 local valid_utf8 = require "util.encodings".utf8.valid;
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28
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29 local do_pretty_printing = not os.getenv("WINDIR");
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30 local getstyle, getstring;
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31 if do_pretty_printing then
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32 local ok, termcolours = pcall(require, "util.termcolours");
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33 if ok then
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34 getstyle, getstring = termcolours.getstyle, termcolours.getstring;
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35 else
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36 do_pretty_printing = nil;
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37 end
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38 end
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39
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40 local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
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41
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42 local _ENV = nil;
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43 -- luacheck: std none
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44
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45 local stanza_mt = { __name = "stanza" };
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46 stanza_mt.__index = stanza_mt;
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47
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48 local function check_name(name, name_type)
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49 if type(name) ~= "string" then
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50 error("invalid "..name_type.." name: expected string, got "..type(name));
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51 elseif #name == 0 then
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52 error("invalid "..name_type.." name: empty string");
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53 elseif s_find(name, "[<>& '\"]") then
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54 error("invalid "..name_type.." name: contains invalid characters");
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55 elseif not valid_utf8(name) then
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56 error("invalid "..name_type.." name: contains invalid utf8");
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57 end
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58 end
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59
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60 local function check_text(text, text_type)
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61 if type(text) ~= "string" then
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62 error("invalid "..text_type.." value: expected string, got "..type(text));
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63 elseif not valid_utf8(text) then
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64 error("invalid "..text_type.." value: contains invalid utf8");
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65 end
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66 end
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67
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68 local function check_attr(attr)
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69 if attr ~= nil then
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70 if type(attr) ~= "table" then
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71 error("invalid attributes, expected table got "..type(attr));
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72 end
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73 for k, v in pairs(attr) do
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74 check_name(k, "attribute");
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75 check_text(v, "attribute");
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76 if type(v) ~= "string" then
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77 error("invalid attribute value for '"..k.."': expected string, got "..type(v));
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78 elseif not valid_utf8(v) then
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79 error("invalid attribute value for '"..k.."': contains invalid utf8");
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80 end
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81 end
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82 end
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83 end
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84
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85 local function new_stanza(name, attr, namespaces)
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86 check_name(name, "tag");
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87 check_attr(attr);
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88 local stanza = { name = name, attr = attr or {}, namespaces = namespaces, tags = {} };
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89 return setmetatable(stanza, stanza_mt);
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90 end
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91
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92 local function is_stanza(s)
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93 return getmetatable(s) == stanza_mt;
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94 end
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95
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96 function stanza_mt:query(xmlns)
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97 return self:tag("query", { xmlns = xmlns });
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98 end
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99
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100 function stanza_mt:body(text, attr)
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101 return self:text_tag("body", text, attr);
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102 end
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103
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104 function stanza_mt:text_tag(name, text, attr, namespaces)
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105 return self:tag(name, attr, namespaces):text(text):up();
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106 end
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107
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108 function stanza_mt:tag(name, attr, namespaces)
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109 local s = new_stanza(name, attr, namespaces);
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110 local last_add = self.last_add;
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111 if not last_add then last_add = {}; self.last_add = last_add; end
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112 (last_add[#last_add] or self):add_direct_child(s);
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113 t_insert(last_add, s);
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114 return self;
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115 end
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116
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117 function stanza_mt:text(text)
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118 if text ~= nil and text ~= "" then
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119 local last_add = self.last_add;
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120 (last_add and last_add[#last_add] or self):add_direct_child(text);
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121 end
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122 return self;
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123 end
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124
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125 function stanza_mt:up()
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126 local last_add = self.last_add;
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127 if last_add then t_remove(last_add); end
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128 return self;
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129 end
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130
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131 function stanza_mt:reset()
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132 self.last_add = nil;
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133 return self;
3296db2ad4a0 util.stanza: stanza:reset() method to reset building state
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134 end
3296db2ad4a0 util.stanza: stanza:reset() method to reset building state
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135
180
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parents: 145
diff changeset
136 function stanza_mt:add_direct_child(child)
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Kim Alvefur <zash@zash.se>
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137 if is_stanza(child) then
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138 t_insert(self.tags, child);
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139 t_insert(self, child);
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diff changeset
140 else
3490bc478804 util.stanza: Verify that other objects added as children are valid strings
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141 check_text(child, "text");
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142 t_insert(self, child);
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143 end
0
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144 end
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145
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parents: 145
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146 function stanza_mt:add_child(child)
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Waqas Hussain <waqas20@gmail.com>
parents: 3502
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147 local last_add = self.last_add;
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148 (last_add and last_add[#last_add] or self):add_direct_child(child);
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parents: 145
diff changeset
149 return self;
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150 end
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parents: 145
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151
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Kim Alvefur <zash@zash.se>
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152 function stanza_mt:remove_children(name, xmlns)
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153 xmlns = xmlns or self.attr.xmlns;
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154 return self:maptags(function (tag)
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155 if (not name or tag.name == name) and tag.attr.xmlns == xmlns then
6bddc90eeb27 util.stanza: Add method for removing all children with a specific name, xmlns
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156 return nil;
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157 end
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158 return tag;
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159 end);
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160 end
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161
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162 function stanza_mt:get_child(name, xmlns)
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163 for _, child in ipairs(self.tags) do
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164 if (not name or child.name == name)
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165 and ((not xmlns and self.attr.xmlns == child.attr.xmlns)
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166 or child.attr.xmlns == xmlns) then
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167
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168 return child;
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169 end
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170 end
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diff changeset
171 end
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parents: 2077
diff changeset
172
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Matthew Wild <mwild1@gmail.com>
parents: 3766
diff changeset
173 function stanza_mt:get_child_text(name, xmlns)
ccc16434dbe2 util.stanza: Add get_child_text() method to get the text of the specified child element (get_child() + get_text() rolled into one step)
Matthew Wild <mwild1@gmail.com>
parents: 3766
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174 local tag = self:get_child(name, xmlns);
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parents: 3766
diff changeset
175 if tag then
ccc16434dbe2 util.stanza: Add get_child_text() method to get the text of the specified child element (get_child() + get_text() rolled into one step)
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parents: 3766
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176 return tag:get_text();
ccc16434dbe2 util.stanza: Add get_child_text() method to get the text of the specified child element (get_child() + get_text() rolled into one step)
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parents: 3766
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177 end
ccc16434dbe2 util.stanza: Add get_child_text() method to get the text of the specified child element (get_child() + get_text() rolled into one step)
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178 return nil;
ccc16434dbe2 util.stanza: Add get_child_text() method to get the text of the specified child element (get_child() + get_text() rolled into one step)
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179 end
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180
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181 function stanza_mt:child_with_name(name)
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182 for _, child in ipairs(self.tags) do
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183 if child.name == name then return child; end
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184 end
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185 end
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186
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diff changeset
187 function stanza_mt:child_with_ns(ns)
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188 for _, child in ipairs(self.tags) do
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189 if child.attr.xmlns == ns then return child; end
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parents: 680
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190 end
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parents: 680
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191 end
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192
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193 function stanza_mt:children()
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194 local i = 0;
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195 return function (a)
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196 i = i + 1
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197 return a[i];
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198 end, self, i;
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199 end
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200
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201 function stanza_mt:childtags(name, xmlns)
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202 local tags = self.tags;
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203 local start_i, max_i = 1, #tags;
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204 return function ()
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diff changeset
205 for i = start_i, max_i do
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206 local v = tags[i];
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diff changeset
207 if (not name or v.name == name)
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diff changeset
208 and ((not xmlns and self.attr.xmlns == v.attr.xmlns)
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diff changeset
209 or v.attr.xmlns == xmlns) then
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210 start_i = i+1;
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
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diff changeset
211 return v;
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diff changeset
212 end
4168
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parents: 4136
diff changeset
213 end
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parents: 4136
diff changeset
214 end;
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215 end
1
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diff changeset
216
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parents: 3475
diff changeset
217 function stanza_mt:maptags(callback)
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parents: 3475
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218 local tags, curr_tag = self.tags, 1;
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219 local n_children, n_tags = #self, #tags;
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220 local max_iterations = n_children + 1;
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221
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parents: 3475
diff changeset
222 local i = 1;
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parents: 5090
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223 while curr_tag <= n_tags and n_tags > 0 do
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parents: 3475
diff changeset
224 if self[i] == tags[curr_tag] then
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
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parents: 3475
diff changeset
225 local ret = callback(self[i]);
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parents: 3475
diff changeset
226 if ret == nil then
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
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parents: 3475
diff changeset
227 t_remove(self, i);
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parents: 3475
diff changeset
228 t_remove(tags, curr_tag);
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parents: 3475
diff changeset
229 n_children = n_children - 1;
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parents: 3475
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230 n_tags = n_tags - 1;
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231 i = i - 1;
efec29eb4cdd util.stanza: :maptags(): Fixes to make loop more robust on item removal
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232 curr_tag = curr_tag - 1;
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233 else
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234 self[i] = ret;
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235 tags[curr_tag] = ret;
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236 end
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237 curr_tag = curr_tag + 1;
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238 end
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239 i = i + 1;
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240 if i > max_iterations then
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241 -- COMPAT: Hopefully temporary guard against #981 while we
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parents: 8999
diff changeset
242 -- figure out the root cause
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diff changeset
243 error("Invalid stanza state! Please report this error.");
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parents: 8999
diff changeset
244 end
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diff changeset
245 end
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parents: 3475
diff changeset
246 return self;
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
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parents: 3475
diff changeset
247 end
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
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parents: 3475
diff changeset
248
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249 function stanza_mt:find(path)
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250 local pos = 1;
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251 local len = #path + 1;
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diff changeset
252
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diff changeset
253 repeat
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254 local xmlns, name, text;
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
255 local char = s_sub(path, pos, pos);
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
256 if char == "@" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
257 return self.attr[s_sub(path, pos + 1)];
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
258 elseif char == "{" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
259 xmlns, pos = s_match(path, "^([^}]+)}()", pos + 1);
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
260 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
261 name, text, pos = s_match(path, "^([^@/#]*)([/#]?)()", pos);
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
262 name = name ~= "" and name or nil;
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
263 if pos == len then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
264 if text == "#" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
265 return self:get_child_text(name, xmlns);
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
266 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
267 return self:get_child(name, xmlns);
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
268 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
269 self = self:get_child(name, xmlns);
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
270 until not self
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
271 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
272
9924
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
273 local function _clone(stanza, only_top)
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
274 local attr, tags = {}, {};
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
275 for k,v in pairs(stanza.attr) do attr[k] = v; end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
276 local old_namespaces, namespaces = stanza.namespaces;
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
277 if old_namespaces then
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
278 namespaces = {};
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
279 for k,v in pairs(old_namespaces) do namespaces[k] = v; end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
280 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
281 local new = { name = stanza.name, attr = attr, namespaces = namespaces, tags = tags };
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
282 if not only_top then
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
283 for i=1,#stanza do
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
284 local child = stanza[i];
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
285 if child.name then
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
286 child = _clone(child);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
287 t_insert(tags, child);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
288 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
289 t_insert(new, child);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
290 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
291 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
292 return setmetatable(new, stanza_mt);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
293 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
294
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
295 local function clone(stanza, only_top)
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
296 if not is_stanza(stanza) then
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
297 error("bad argument to clone: expected stanza, got "..type(stanza));
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
298 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
299 return _clone(stanza, only_top);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
300 end
5424
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
301
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
302 local escape_table = { ["'"] = "&apos;", ["\""] = "&quot;", ["<"] = "&lt;", [">"] = "&gt;", ["&"] = "&amp;" };
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
303 local function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end
1931
f203330eb82e util.stanza: Make xml_escape publicly accessible
Matthew Wild <mwild1@gmail.com>
parents: 1874
diff changeset
304
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
305 local function _dostring(t, buf, self, _xml_escape, parentns)
1431
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
306 local nsid = 0;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
307 local name = t.name
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
308 t_insert(buf, "<"..name);
1416
f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
Waqas Hussain <waqas20@gmail.com>
parents: 1415
diff changeset
309 for k, v in pairs(t.attr) do
2077
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
310 if s_find(k, "\1", 1, true) then
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
311 local ns, attrk = s_match(k, "^([^\1]*)\1?(.*)$");
1416
f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
Waqas Hussain <waqas20@gmail.com>
parents: 1415
diff changeset
312 nsid = nsid + 1;
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
313 t_insert(buf, " xmlns:ns"..nsid.."='".._xml_escape(ns).."' ".."ns"..nsid..":"..attrk.."='".._xml_escape(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
314 elseif not(k == "xmlns" and v == parentns) then
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
315 t_insert(buf, " "..k.."='".._xml_escape(v).."'");
776
89eb9f59993c util.stanza: Temporary fix for serializing attributes with namespaces
Matthew Wild <mwild1@gmail.com>
parents: 760
diff changeset
316 end
1416
f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
Waqas Hussain <waqas20@gmail.com>
parents: 1415
diff changeset
317 end
1431
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
318 local len = #t;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
319 if len == 0 then
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
320 t_insert(buf, "/>");
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
321 else
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
322 t_insert(buf, ">");
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
323 for n=1,len do
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
324 local child = t[n];
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
325 if child.name then
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
326 self(child, buf, self, _xml_escape, t.attr.xmlns);
1431
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
327 else
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
328 t_insert(buf, _xml_escape(child));
1431
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
329 end
4
09c3845ed442 Presence unavailable on disconnect
matthew
parents: 2
diff changeset
330 end
1431
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
331 t_insert(buf, "</"..name..">");
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
332 end
626
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
333 end
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
334 function stanza_mt.__tostring(t)
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
335 local buf = {};
2077
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
336 _dostring(t, buf, _dostring, xml_escape, nil);
626
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
337 return t_concat(buf);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
338 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
339
242
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
340 function stanza_mt.top_tag(t)
9924
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
341 local top_tag_clone = clone(t, true);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
342 return tostring(top_tag_clone):sub(1,-3)..">";
242
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
343 end
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
344
1420
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
345 function stanza_mt.get_text(t)
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
346 if #t.tags == 0 then
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
347 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
348 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
349 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
350
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
351 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
352 local error_type, condition, text, extra_tag;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
353
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
354 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
355 if not error_tag then
11088
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
356 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
357 end
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
358 error_type = error_tag.attr.type;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
359
5090
61c7c53c06d5 util.stanza: Use ipairs instead of childtags (behavior changed in 92c86e11fd44)
Kim Alvefur <zash@zash.se>
parents: 4936
diff changeset
360 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
361 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
362 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
363 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
364 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
365 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
366 end
11088
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
367 else
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
368 extra_tag = child;
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
369 end
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
370 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
371 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
372 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
373 end
11088
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
374 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
375 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
376
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
377 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
378 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
379 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
380 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
381 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
382 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
383 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
384 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
385 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
386 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
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
9489
09b873ac7eb8 util.stanza: Set preserialize as freeze metamethod
Kim Alvefur <zash@zash.se>
parents: 9307
diff changeset
389 stanza_mt.__freeze = preserialize;
09b873ac7eb8 util.stanza: Set preserialize as freeze metamethod
Kim Alvefur <zash@zash.se>
parents: 9307
diff changeset
390
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
391 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
392 -- Set metatable
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
393 if serialized then
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
394 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
395 local attrx = {};
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
396 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
397 if type(att) == "string" then
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
398 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
399 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
400 attrx[ns.."\1"..na] = val;
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
401 else
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
402 attrx[att] = val;
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
403 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
404 end
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
405 end
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
406 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
407 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
408 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
409 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
410 elseif type(child) == "string" then
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
411 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
412 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
413 end
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
414 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
415 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
416 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
417
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
418 local function message(attr, body)
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
419 if not body then
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
420 return new_stanza("message", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
421 else
10116
4807535b8673 util.stanza: Use :text_tag internally everywhere
Kim Alvefur <zash@zash.se>
parents: 9924
diff changeset
422 return new_stanza("message", attr):text_tag("body", body);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
423 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
424 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
425 local function iq(attr)
9732
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
426 if not attr then
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
427 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
428 end
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
429 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
430 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
431 end
9732
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
432 if not attr.type then
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
433 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
434 end
9307
feaef6215bb8 util.stanza: Don't automatically generate ids for iq stanzas
Matthew Wild <mwild1@gmail.com>
parents: 9217
diff changeset
435 return new_stanza("iq", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
436 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
437
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
438 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
439 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
440 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
441 end
8382
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
442 return new_stanza(orig.name,
10443
f28718f46196 util.stanza: Remove redundant check for attrs
Kim Alvefur <zash@zash.se>
parents: 10442
diff changeset
443 {
8382
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
444 to = orig.attr.from,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
445 from = orig.attr.to,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
446 id = orig.attr.id,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
447 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
448 });
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
449 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
450
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
451 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
452 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
453 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
454 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
455 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
456 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
457 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
458 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
459 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
460 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
461 if type(error_type) == "table" then -- an util.error or similar object
11083
4d12a6785531 util.stanza: Support getting 'by' from util.error object
Kim Alvefur <zash@zash.se>
parents: 11082
diff changeset
462 if type(error_type.extra) == "table" then
11084
5e09a3389adb util.stanza: Support inclusion of <gone> URI from util.error object
Kim Alvefur <zash@zash.se>
parents: 11083
diff changeset
463 extra = error_type.extra;
11083
4d12a6785531 util.stanza: Support getting 'by' from util.error object
Kim Alvefur <zash@zash.se>
parents: 11082
diff changeset
464 end
11085
5705d151ea11 util.stanza: Get 'by' from context instead
Kim Alvefur <zash@zash.se>
parents: 11084
diff changeset
465 if type(error_type.context) == "table" and type(error_type.context.by) == "string" then error_by = error_type.context.by; end
11082
c26599a78fae util.stanza: Reorder code to prepare for extracting 'by' from util.error
Kim Alvefur <zash@zash.se>
parents: 10717
diff changeset
466 error_type, condition, error_message = error_type.type, error_type.condition, error_type.text;
c26599a78fae util.stanza: Reorder code to prepare for extracting 'by' from util.error
Kim Alvefur <zash@zash.se>
parents: 10717
diff changeset
467 end
10446
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
468 if t.attr.from == error_by then
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
469 error_by = nil;
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
470 end
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
471 t:tag("error", {type = error_type, by = error_by}) --COMPAT: Some day xmlns:stanzas goes here
11084
5e09a3389adb util.stanza: Support inclusion of <gone> URI from util.error object
Kim Alvefur <zash@zash.se>
parents: 11083
diff changeset
472 :tag(condition, xmpp_stanzas_attr);
5e09a3389adb util.stanza: Support inclusion of <gone> URI from util.error object
Kim Alvefur <zash@zash.se>
parents: 11083
diff changeset
473 if extra and condition == "gone" and type(extra.uri) == "string" then
5e09a3389adb util.stanza: Support inclusion of <gone> URI from util.error object
Kim Alvefur <zash@zash.se>
parents: 11083
diff changeset
474 t:text(extra.uri);
5e09a3389adb util.stanza: Support inclusion of <gone> URI from util.error object
Kim Alvefur <zash@zash.se>
parents: 11083
diff changeset
475 end
5e09a3389adb util.stanza: Support inclusion of <gone> URI from util.error object
Kim Alvefur <zash@zash.se>
parents: 11083
diff changeset
476 t:up();
10116
4807535b8673 util.stanza: Use :text_tag internally everywhere
Kim Alvefur <zash@zash.se>
parents: 9924
diff changeset
477 if error_message then t:text_tag("text", error_message, xmpp_stanzas_attr); end
11086
2846b6226a8e util.stanza: Support Application-Specific Conditions in util.error
Kim Alvefur <zash@zash.se>
parents: 11085
diff changeset
478 if extra and is_stanza(extra.tag) then
2846b6226a8e util.stanza: Support Application-Specific Conditions in util.error
Kim Alvefur <zash@zash.se>
parents: 11085
diff changeset
479 t:add_child(extra.tag);
2846b6226a8e util.stanza: Support Application-Specific Conditions in util.error
Kim Alvefur <zash@zash.se>
parents: 11085
diff changeset
480 elseif extra and extra.namespace and extra.condition then
2846b6226a8e util.stanza: Support Application-Specific Conditions in util.error
Kim Alvefur <zash@zash.se>
parents: 11085
diff changeset
481 t:tag(extra.condition, { xmlns = extra.namespace }):up();
2846b6226a8e util.stanza: Support Application-Specific Conditions in util.error
Kim Alvefur <zash@zash.se>
parents: 11085
diff changeset
482 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
483 return t; -- stanza ready for adding app-specific errors
60
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents: 30
diff changeset
484 end
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents: 30
diff changeset
485
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
486 local function presence(attr)
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
487 return new_stanza("presence", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
488 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
489
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
490 if do_pretty_printing then
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
491 local style_attrk = getstyle("yellow");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
492 local style_attrv = getstyle("red");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
493 local style_tagname = getstyle("red");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
494 local style_punc = getstyle("magenta");
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
495
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
496 local attr_format = " "..getstring(style_attrk, "%s")..getstring(style_punc, "=")..getstring(style_attrv, "'%s'");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
497 local top_tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
498 --local tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">").."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
499 local tag_format = top_tag_format.."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">");
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
500 function stanza_mt.pretty_print(t)
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
501 local children_text = "";
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
502 for _, child in ipairs(t) do
2482
a1570e371258 util.stanza: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2264
diff changeset
503 if type(child) == "string" then
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
504 children_text = children_text .. xml_escape(child);
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
505 else
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
506 children_text = children_text .. child:pretty_print();
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
507 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
508 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
509
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
510 local attr_string = "";
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
511 if t.attr then
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
512 for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(attr_format, k, tostring(v)); end end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
513 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
514 return s_format(tag_format, t.name, attr_string, children_text, t.name);
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
515 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
516
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
517 function stanza_mt.pretty_top_tag(t)
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
518 local attr_string = "";
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
519 if t.attr then
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
520 for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(attr_format, k, tostring(v)); end end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
521 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
522 return s_format(top_tag_format, t.name, attr_string);
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
523 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
524 else
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
525 -- Sorry, fresh out of colours for you guys ;)
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
526 stanza_mt.pretty_print = stanza_mt.__tostring;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
527 stanza_mt.pretty_top_tag = stanza_mt.top_tag;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
528 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
529
10717
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
530 function stanza_mt.indent(t, level, indent)
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
531 if #t == 0 or (#t == 1 and type(t[1]) == "string") then
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
532 -- Empty nodes wouldn't have any indentation
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
533 -- Text-only nodes are preserved as to not alter the text content
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
534 -- Optimization: Skip clone of these since we don't alter them
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
535 return t;
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
536 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
537
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
538 indent = indent or "\t";
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
539 level = level or 1;
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
540 local tag = clone(t, true);
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
541
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
542 for child in t:children() do
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
543 if type(child) == "string" then
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
544 -- Already indented text would look weird but let's ignore that for now.
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
545 if child:find("%S") then
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
546 tag:text("\n" .. indent:rep(level));
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
547 tag:text(child);
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
548 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
549 elseif is_stanza(child) then
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
550 tag:text("\n" .. indent:rep(level));
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
551 tag:add_direct_child(child:indent(level+1, indent));
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
552 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
553 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
554 -- before the closing tag
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
555 tag:text("\n" .. indent:rep((level-1)));
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
556
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
557 return tag;
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
558 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
559
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
560 return {
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
561 stanza_mt = stanza_mt;
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
562 stanza = new_stanza;
7750
e58524240b30 util.stanza: Add an is_stanza() function to check if an object is a stanza
Kim Alvefur <zash@zash.se>
parents: 7253
diff changeset
563 is_stanza = is_stanza;
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
564 preserialize = preserialize;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
565 deserialize = deserialize;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
566 clone = clone;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
567 message = message;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
568 iq = iq;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
569 reply = reply;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
570 error_reply = error_reply;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
571 presence = presence;
6821
5de30376bf98 util.stanza: Export xml_escape (missed during removal of module() calls)
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
572 xml_escape = xml_escape;
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
573 };