prosody
3728c30da4e3
util/stanza.lua

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util/stanza.lua @ 6468:3728c30da4e3

Merge 0.9->0.10
author Waqas Hussain <waqas20@gmail.com>
date Wed, 08 Oct 2014 18:42:33 -0400
parent 5776:bd0ff8ae98a8
parent 6466:6e67c73f730c
child 6501:71b6e8b48a12
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rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10 local t_insert = table.insert;
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11 local t_remove = table.remove;
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12 local t_concat = table.concat;
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13 local s_format = string.format;
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14 local s_match = string.match;
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15 local tostring = tostring;
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16 local setmetatable = setmetatable;
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17 local pairs = pairs;
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18 local ipairs = ipairs;
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19 local type = type;
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20 local s_gsub = string.gsub;
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21 local s_sub = string.sub;
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22 local s_find = string.find;
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23 local os = os;
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24
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25 local do_pretty_printing = not os.getenv("WINDIR");
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26 local getstyle, getstring;
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27 if do_pretty_printing then
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28 local ok, termcolours = pcall(require, "util.termcolours");
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29 if ok then
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30 getstyle, getstring = termcolours.getstyle, termcolours.getstring;
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31 else
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32 do_pretty_printing = nil;
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33 end
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34 end
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35
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36 local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
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37
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38 module "stanza"
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39
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40 stanza_mt = { __type = "stanza" };
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41 stanza_mt.__index = stanza_mt;
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42 local stanza_mt = stanza_mt;
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43
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44 function stanza(name, attr)
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45 local stanza = { name = name, attr = attr or {}, tags = {} };
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46 return setmetatable(stanza, stanza_mt);
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47 end
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48 local stanza = stanza;
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49
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50 function stanza_mt:query(xmlns)
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51 return self:tag("query", { xmlns = xmlns });
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52 end
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54 function stanza_mt:body(text, attr)
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55 return self:tag("body", attr):text(text);
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56 end
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57
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58 function stanza_mt:tag(name, attrs)
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59 local s = stanza(name, attrs);
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60 local last_add = self.last_add;
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61 if not last_add then last_add = {}; self.last_add = last_add; end
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62 (last_add[#last_add] or self):add_direct_child(s);
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63 t_insert(last_add, s);
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64 return self;
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65 end
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66
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67 function stanza_mt:text(text)
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68 local last_add = self.last_add;
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69 (last_add and last_add[#last_add] or self):add_direct_child(text);
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70 return self;
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71 end
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72
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73 function stanza_mt:up()
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74 local last_add = self.last_add;
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75 if last_add then t_remove(last_add); end
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76 return self;
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77 end
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78
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79 function stanza_mt:reset()
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80 self.last_add = nil;
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81 return self;
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82 end
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83
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84 function stanza_mt:add_direct_child(child)
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85 if type(child) == "table" then
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86 t_insert(self.tags, child);
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87 end
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88 t_insert(self, child);
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89 end
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90
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91 function stanza_mt:add_child(child)
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92 local last_add = self.last_add;
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93 (last_add and last_add[#last_add] or self):add_direct_child(child);
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94 return self;
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95 end
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96
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97 function stanza_mt:get_child(name, xmlns)
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98 for _, child in ipairs(self.tags) do
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99 if (not name or child.name == name)
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100 and ((not xmlns and self.attr.xmlns == child.attr.xmlns)
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101 or child.attr.xmlns == xmlns) then
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102
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103 return child;
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104 end
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105 end
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106 end
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107
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108 function stanza_mt:get_child_text(name, xmlns)
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109 local tag = self:get_child(name, xmlns);
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110 if tag then
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111 return tag:get_text();
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112 end
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113 return nil;
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114 end
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115
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116 function stanza_mt:child_with_name(name)
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117 for _, child in ipairs(self.tags) do
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118 if child.name == name then return child; end
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119 end
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120 end
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121
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122 function stanza_mt:child_with_ns(ns)
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123 for _, child in ipairs(self.tags) do
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124 if child.attr.xmlns == ns then return child; end
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125 end
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126 end
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127
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128 function stanza_mt:children()
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129 local i = 0;
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130 return function (a)
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131 i = i + 1
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parents: 3474
diff changeset
132 return a[i];
1
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parents: 0
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133 end, self, i;
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matthew
parents: 0
diff changeset
134 end
3474
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Matthew Wild <mwild1@gmail.com>
parents: 2961
diff changeset
135
4168
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Matthew Wild <mwild1@gmail.com>
parents: 4136
diff changeset
136 function stanza_mt:childtags(name, xmlns)
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Matthew Wild <mwild1@gmail.com>
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diff changeset
137 local tags = self.tags;
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Matthew Wild <mwild1@gmail.com>
parents: 2961
diff changeset
138 local start_i, max_i = 1, #tags;
730876bbe4e6 util.stanza: Add stanza:matched_children(name, xmlns) [name suggestions welcome]
Matthew Wild <mwild1@gmail.com>
parents: 2961
diff changeset
139 return function ()
4168
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Matthew Wild <mwild1@gmail.com>
parents: 4136
diff changeset
140 for i = start_i, max_i do
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
Matthew Wild <mwild1@gmail.com>
parents: 4136
diff changeset
141 local v = tags[i];
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
Matthew Wild <mwild1@gmail.com>
parents: 4136
diff changeset
142 if (not name or v.name == name)
4936
92c86e11fd44 util.stanza: Make stanza:childtags() behave like :get_child()
Kim Alvefur <zash@zash.se>
parents: 4749
diff changeset
143 and ((not xmlns and self.attr.xmlns == v.attr.xmlns)
92c86e11fd44 util.stanza: Make stanza:childtags() behave like :get_child()
Kim Alvefur <zash@zash.se>
parents: 4749
diff changeset
144 or v.attr.xmlns == xmlns) then
4168
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Matthew Wild <mwild1@gmail.com>
parents: 4136
diff changeset
145 start_i = i+1;
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
Matthew Wild <mwild1@gmail.com>
parents: 4136
diff changeset
146 return v;
3474
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Matthew Wild <mwild1@gmail.com>
parents: 2961
diff changeset
147 end
4168
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
Matthew Wild <mwild1@gmail.com>
parents: 4136
diff changeset
148 end
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
Matthew Wild <mwild1@gmail.com>
parents: 4136
diff changeset
149 end;
2
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matthew
parents: 1
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150 end
1
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matthew
parents: 0
diff changeset
151
3477
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Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
152 function stanza_mt:maptags(callback)
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
153 local tags, curr_tag = self.tags, 1;
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
154 local n_children, n_tags = #self, #tags;
5776
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
155
3477
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Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
156 local i = 1;
5414
efec29eb4cdd util.stanza: :maptags(): Fixes to make loop more robust on item removal
Matthew Wild <mwild1@gmail.com>
parents: 5090
diff changeset
157 while curr_tag <= n_tags and n_tags > 0 do
3477
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
158 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)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
159 local ret = callback(self[i]);
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
160 if ret == nil then
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
161 t_remove(self, i);
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
162 t_remove(tags, curr_tag);
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
163 n_children = n_children - 1;
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
164 n_tags = n_tags - 1;
5414
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Matthew Wild <mwild1@gmail.com>
parents: 5090
diff changeset
165 i = i - 1;
efec29eb4cdd util.stanza: :maptags(): Fixes to make loop more robust on item removal
Matthew Wild <mwild1@gmail.com>
parents: 5090
diff changeset
166 curr_tag = curr_tag - 1;
3477
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Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
167 else
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
168 self[i] = ret;
5435
f56e449a63e3 util.stanza: Use correct index when replacing the tag in .tags (thanks daurnimator)
Matthew Wild <mwild1@gmail.com>
parents: 5424
diff changeset
169 tags[curr_tag] = ret;
3477
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Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
170 end
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
171 curr_tag = curr_tag + 1;
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
172 end
5414
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Matthew Wild <mwild1@gmail.com>
parents: 5090
diff changeset
173 i = i + 1;
3477
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Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
174 end
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
175 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
176 end
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
177
5424
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Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
178 function stanza_mt:find(path)
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
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179 local pos = 1;
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180 local len = #path + 1;
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Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
181
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
182 repeat
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
183 local xmlns, name, text;
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Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
184 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
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185 if char == "@" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
186 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
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187 elseif char == "{" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
188 xmlns, pos = s_match(path, "^([^}]+)}()", pos + 1);
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Kim Alvefur <zash@zash.se>
parents: 5414
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189 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
190 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
191 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
192 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
193 if text == "#" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
194 return self:get_child_text(name, xmlns);
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Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
195 end
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Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
196 return self:get_child(name, xmlns);
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Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
197 end
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Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
198 self = self:get_child(name, xmlns);
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parents: 5414
diff changeset
199 until not self
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parents: 5414
diff changeset
200 end
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Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
201
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
202
1931
f203330eb82e util.stanza: Make xml_escape publicly accessible
Matthew Wild <mwild1@gmail.com>
parents: 1874
diff changeset
203 local xml_escape
f203330eb82e util.stanza: Make xml_escape publicly accessible
Matthew Wild <mwild1@gmail.com>
parents: 1874
diff changeset
204 do
6466
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
205 local escape_table = {
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
206 ["'"] = "&apos;";
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
207 ['"'] = "&quot;";
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
208 ["<"] = "&lt;";
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
209 [">"] = "&gt;";
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
210 ["&"] = "&amp;";
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
211 -- escape this whitespace because [\r\n\t] change into spaces in attributes
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
212 -- and \r\n changes into \n in text, and we want to preserve original bytes
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
213 ["\t"] = "&#x9;";
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
214 ["\n"] = "&#xA;";
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
215 ["\r"] = "&#xD;";
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
216 };
6e67c73f730c util.stanza: Escape newlines and tabs (\r\n\t) when serializing stanzas. \r\n transforms into \n otherwise, and \r\n\t in attributes transforms into spaces.
Waqas Hussain <waqas20@gmail.com>
parents: 5435
diff changeset
217 function xml_escape(str) return (s_gsub(str, "['&<>\"\t\n\r]", escape_table)); end
1931
f203330eb82e util.stanza: Make xml_escape publicly accessible
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parents: 1874
diff changeset
218 _M.xml_escape = xml_escape;
f203330eb82e util.stanza: Make xml_escape publicly accessible
Matthew Wild <mwild1@gmail.com>
parents: 1874
diff changeset
219 end
f203330eb82e util.stanza: Make xml_escape publicly accessible
Matthew Wild <mwild1@gmail.com>
parents: 1874
diff changeset
220
1984
f2b1f89e1d7c 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 :)
Matthew Wild <mwild1@gmail.com>
parents: 1935
diff changeset
221 local function _dostring(t, buf, self, xml_escape, parentns)
1431
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Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
222 local nsid = 0;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
223 local name = t.name
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
224 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
225 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
226 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
227 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
228 nsid = nsid + 1;
f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
Waqas Hussain <waqas20@gmail.com>
parents: 1415
diff changeset
229 t_insert(buf, " xmlns:ns"..nsid.."='"..xml_escape(ns).."' ".."ns"..nsid..":"..attrk.."='"..xml_escape(v).."'");
2077
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Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
230 elseif not(k == "xmlns" and v == parentns) then
1416
f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
Waqas Hussain <waqas20@gmail.com>
parents: 1415
diff changeset
231 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
232 end
1416
f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
Waqas Hussain <waqas20@gmail.com>
parents: 1415
diff changeset
233 end
1431
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Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
234 local len = #t;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
235 if len == 0 then
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
236 t_insert(buf, "/>");
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
237 else
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
238 t_insert(buf, ">");
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
239 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
240 local child = t[n];
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
241 if child.name then
2077
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
242 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
243 else
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
244 t_insert(buf, xml_escape(child));
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
245 end
4
09c3845ed442 Presence unavailable on disconnect
matthew
parents: 2
diff changeset
246 end
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Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
247 t_insert(buf, "</"..name..">");
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
248 end
626
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
249 end
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
250 function stanza_mt.__tostring(t)
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
251 local buf = {};
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e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
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parents: 1984
diff changeset
252 _dostring(t, buf, _dostring, xml_escape, nil);
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cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
253 return t_concat(buf);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
254 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
255
242
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
256 function stanza_mt.top_tag(t)
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
257 local attr_string = "";
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
258 if t.attr then
338
804f5e62a41f Don't forget to escape XML in attributes. Thanks to the Postgres Q&amp;A room on conference.jabber.org :)
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parents: 262
diff changeset
259 for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(" %s='%s'", k, xml_escape(tostring(v))); end end
242
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Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
260 end
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
261 return s_format("<%s%s>", t.name, attr_string);
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
262 end
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
263
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Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
264 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
265 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
266 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
267 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
268 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
269
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Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
270 function stanza_mt.get_error(stanza)
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parents: 2482
diff changeset
271 local type, condition, text;
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parents: 5435
diff changeset
272
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Matthew Wild <mwild1@gmail.com>
parents: 2482
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273 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
274 if not error_tag then
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Matthew Wild <mwild1@gmail.com>
parents: 2482
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275 return nil, nil, nil;
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
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276 end
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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parents: 2482
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277 type = error_tag.attr.type;
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parents: 5435
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278
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parents: 4936
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279 for _, child in ipairs(error_tag.tags) do
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Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
280 if child.attr.xmlns == xmlns_stanzas then
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parents: 2482
diff changeset
281 if not text and child.name == "text" then
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parents: 2482
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282 text = child:get_text();
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parents: 2482
diff changeset
283 elseif not condition then
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parents: 2482
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284 condition = child.name;
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Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
285 end
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parents: 2482
diff changeset
286 if condition and text then
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Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
287 break;
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parents: 2482
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288 end
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parents: 2482
diff changeset
289 end
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parents: 2482
diff changeset
290 end
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parents: 3638
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291 return type, condition or "undefined-condition", text;
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Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
292 end
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Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
293
0
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matthew
parents:
diff changeset
294 do
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parents: 1431
diff changeset
295 local id = 0;
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parents: 1431
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296 function new_id()
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parents: 1431
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297 id = id + 1;
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parents: 1431
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298 return "lx"..id;
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parents: 1431
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299 end
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
300 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
301
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents: 70
diff changeset
302 function preserialize(stanza)
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parents: 70
diff changeset
303 local s = { name = stanza.name, attr = stanza.attr };
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parents: 70
diff changeset
304 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
305 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
306 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
307 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
308 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
309 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
310 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
311 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
312 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
313
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
314 function deserialize(stanza)
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents: 70
diff changeset
315 -- Set metatable
91
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parents: 90
diff changeset
316 if stanza then
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parents: 1151
diff changeset
317 local attr = stanza.attr;
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parents: 1151
diff changeset
318 for i=1,#attr do attr[i] = nil; end
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parents: 1984
diff changeset
319 local attrx = {};
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
320 for att in pairs(attr) do
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Waqas Hussain <waqas20@gmail.com>
parents: 2955
diff changeset
321 if s_find(att, "|", 1, true) and not s_find(att, "\1", 1, true) then
15a145a67044 util.stanza: Fixed some more nil global accesses.
Waqas Hussain <waqas20@gmail.com>
parents: 2955
diff changeset
322 local ns,na = s_match(att, "^([^|]+)|(.+)$");
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Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
323 attrx[ns.."\1"..na] = attr[att];
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
324 attr[att] = nil;
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
325 end
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
326 end
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
327 for a,v in pairs(attrx) do
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Waqas Hussain <waqas20@gmail.com>
parents: 2955
diff changeset
328 attr[a] = v;
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e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
329 end
91
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Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
330 setmetatable(stanza, stanza_mt);
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
331 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
332 if type(child) == "table" then
91
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Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
333 deserialize(child);
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
334 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
335 end
91
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Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
336 if not stanza.tags then
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
337 -- Rebuild tags
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Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
338 local tags = {};
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
339 for _, child in ipairs(stanza) do
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Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
340 if type(child) == "table" then
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
341 t_insert(tags, child);
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
342 end
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Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
343 end
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Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
344 stanza.tags = tags;
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
345 end
90
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Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
346 end
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bd0ff8ae98a8 Remove all trailing whitespace
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parents: 5435
diff changeset
347
90
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Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
348 return stanza;
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
349 end
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Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
350
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Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
351 local function _clone(stanza)
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Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
352 local attr, tags = {}, {};
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
353 for k,v in pairs(stanza.attr) do attr[k] = v; end
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
354 local new = { name = stanza.name, attr = attr, tags = tags };
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
355 for i=1,#stanza do
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
356 local child = stanza[i];
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
357 if child.name then
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
358 child = _clone(child);
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
359 t_insert(tags, child);
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Matthew Wild <mwild1@gmail.com>
parents: 1431
diff changeset
360 end
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Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
361 t_insert(new, child);
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Matthew Wild <mwild1@gmail.com>
parents: 1431
diff changeset
362 end
4179
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Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
363 return setmetatable(new, stanza_mt);
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Waqas Hussain <waqas20@gmail.com>
parents: 776
diff changeset
364 end
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
365 clone = _clone;
829
b01fd698495e util/stanza: Added clone function
Waqas Hussain <waqas20@gmail.com>
parents: 776
diff changeset
366
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
367 function message(attr, body)
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
368 if not body then
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
369 return stanza("message", attr);
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
370 else
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Waqas Hussain <waqas20@gmail.com>
parents: 3478
diff changeset
371 return stanza("message", attr):tag("body"):text(body):up();
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
372 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
373 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
374 function iq(attr)
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
375 if attr and not attr.id then attr.id = new_id(); end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
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376 return stanza("iq", attr or { id = new_id() });
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377 end
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378
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379 function reply(orig)
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380 return stanza(orig.name, orig.attr and { to = orig.attr.from, from = orig.attr.to, id = orig.attr.id, type = ((orig.name == "iq" and "result") or orig.attr.type) });
0
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381 end
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382
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383 do
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384 local xmpp_stanzas_attr = { xmlns = xmlns_stanzas };
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385 function error_reply(orig, type, condition, message)
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386 local t = reply(orig);
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387 t.attr.type = "error";
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388 t:tag("error", {type = type}) --COMPAT: Some day xmlns:stanzas goes here
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389 :tag(condition, xmpp_stanzas_attr):up();
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390 if (message) then t:tag("text", xmpp_stanzas_attr):text(message):up(); end
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391 return t; -- stanza ready for adding app-specific errors
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392 end
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393 end
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394
0
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395 function presence(attr)
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396 return stanza("presence", attr);
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397 end
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398
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399 if do_pretty_printing then
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400 local style_attrk = getstyle("yellow");
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401 local style_attrv = getstyle("red");
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402 local style_tagname = getstyle("red");
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403 local style_punc = getstyle("magenta");
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404
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405 local attr_format = " "..getstring(style_attrk, "%s")..getstring(style_punc, "=")..getstring(style_attrv, "'%s'");
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406 local top_tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">");
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407 --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, ">");
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408 local tag_format = top_tag_format.."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">");
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409 function stanza_mt.pretty_print(t)
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410 local children_text = "";
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411 for n, child in ipairs(t) do
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412 if type(child) == "string" then
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413 children_text = children_text .. xml_escape(child);
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414 else
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415 children_text = children_text .. child:pretty_print();
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416 end
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417 end
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418
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419 local attr_string = "";
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420 if t.attr then
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421 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
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422 end
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423 return s_format(tag_format, t.name, attr_string, children_text, t.name);
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424 end
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425
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426 function stanza_mt.pretty_top_tag(t)
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427 local attr_string = "";
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428 if t.attr then
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429 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
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430 end
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431 return s_format(top_tag_format, t.name, attr_string);
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432 end
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433 else
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434 -- Sorry, fresh out of colours for you guys ;)
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435 stanza_mt.pretty_print = stanza_mt.__tostring;
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436 stanza_mt.pretty_top_tag = stanza_mt.top_tag;
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437 end
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438
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439 return _M;