Annotate

util/stanza.lua @ 12137:4e61aaa4e9b2

mod_smacks: Log error to silence luacheck
author Kim Alvefur <zash@zash.se>
date Fri, 31 Dec 2021 00:59:10 +0100
parent 11960:12a3c05aa12d
child 12138:644ca3583837
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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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 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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14 local s_match = string.match;
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15 local tostring = tostring;
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16 local setmetatable = setmetatable;
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17 local getmetatable = getmetatable;
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18 local pairs = pairs;
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19 local ipairs = ipairs;
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20 local type = type;
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21 local s_gsub = string.gsub;
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22 local s_sub = string.sub;
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23 local s_find = string.find;
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24
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25 local valid_utf8 = require "util.encodings".utf8.valid;
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26
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27 local do_pretty_printing, termcolours = pcall(require, "util.termcolours");
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28
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29 local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
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30
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31 local _ENV = nil;
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32 -- luacheck: std none
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34 local stanza_mt = { __name = "stanza" };
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35 stanza_mt.__index = stanza_mt;
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36
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37 local function valid_xml_cdata(str, attr)
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38 return not s_find(str, attr and "[^\1\9\10\13\20-~\128-\247]" or "[^\9\10\13\20-~\128-\247]");
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39 end
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40
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41 local function check_name(name, name_type)
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42 if type(name) ~= "string" then
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43 error("invalid "..name_type.." name: expected string, got "..type(name));
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44 elseif #name == 0 then
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45 error("invalid "..name_type.." name: empty string");
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46 elseif s_find(name, "[<>& '\"]") then
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47 error("invalid "..name_type.." name: contains invalid characters");
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48 elseif not valid_xml_cdata(name, name_type == "attribute") then
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49 error("invalid "..name_type.." name: contains control characters");
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50 elseif not valid_utf8(name) then
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51 error("invalid "..name_type.." name: contains invalid utf8");
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52 end
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53 end
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54
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55 local function check_text(text, text_type)
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56 if type(text) ~= "string" then
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57 error("invalid "..text_type.." value: expected string, got "..type(text));
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58 elseif not valid_xml_cdata(text, false) then
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59 error("invalid "..text_type.." value: contains control characters");
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60 elseif not valid_utf8(text) then
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61 error("invalid "..text_type.." value: contains invalid utf8");
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62 end
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63 end
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64
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65 local function check_attr(attr)
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66 if attr ~= nil then
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67 if type(attr) ~= "table" then
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68 error("invalid attributes, expected table got "..type(attr));
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69 end
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70 for k, v in pairs(attr) do
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71 check_name(k, "attribute");
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72 check_text(v, "attribute");
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73 if type(v) ~= "string" then
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74 error("invalid attribute value for '"..k.."': expected string, got "..type(v));
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75 elseif not valid_utf8(v) then
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76 error("invalid attribute value for '"..k.."': contains invalid utf8");
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77 end
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78 end
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79 end
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80 end
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81
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82 local function new_stanza(name, attr, namespaces)
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83 check_name(name, "tag");
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84 check_attr(attr);
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85 local stanza = { name = name, attr = attr or {}, namespaces = namespaces, tags = {} };
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86 return setmetatable(stanza, stanza_mt);
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87 end
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88
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89 local function is_stanza(s)
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90 return getmetatable(s) == stanza_mt;
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91 end
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92
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93 function stanza_mt:query(xmlns)
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94 return self:tag("query", { xmlns = xmlns });
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95 end
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96
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97 function stanza_mt:body(text, attr)
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98 return self:text_tag("body", text, attr);
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99 end
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100
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101 function stanza_mt:text_tag(name, text, attr, namespaces)
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102 return self:tag(name, attr, namespaces):text(text):up();
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103 end
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104
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105 function stanza_mt:tag(name, attr, namespaces)
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106 local s = new_stanza(name, attr, namespaces);
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107 local last_add = self.last_add;
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108 if not last_add then last_add = {}; self.last_add = last_add; end
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109 (last_add[#last_add] or self):add_direct_child(s);
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110 t_insert(last_add, s);
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111 return self;
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112 end
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113
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114 function stanza_mt:text(text)
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115 if text ~= nil and text ~= "" then
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116 local last_add = self.last_add;
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117 (last_add and last_add[#last_add] or self):add_direct_child(text);
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118 end
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119 return self;
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120 end
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121
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122 function stanza_mt:up()
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123 local last_add = self.last_add;
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124 if last_add then t_remove(last_add); end
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125 return self;
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126 end
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127
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128 function stanza_mt:at_top()
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129 return self.last_add == nil or #self.last_add == 0
21217f7e82b9 util.stanza: add at_top helper
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diff changeset
130 end
21217f7e82b9 util.stanza: add at_top helper
Jonas Schäfer <jonas@wielicki.name>
parents: 11264
diff changeset
131
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132 function stanza_mt:reset()
3638
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parents: 3502
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133 self.last_add = nil;
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134 return self;
3296db2ad4a0 util.stanza: stanza:reset() method to reset building state
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
135 end
3296db2ad4a0 util.stanza: stanza:reset() method to reset building state
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
136
180
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Matthew Wild <mwild1@gmail.com>
parents: 145
diff changeset
137 function stanza_mt:add_direct_child(child)
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Kim Alvefur <zash@zash.se>
parents: 8645
diff changeset
138 if is_stanza(child) then
1
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139 t_insert(self.tags, child);
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140 t_insert(self, child);
3490bc478804 util.stanza: Verify that other objects added as children are valid strings
Kim Alvefur <zash@zash.se>
parents: 8889
diff changeset
141 else
3490bc478804 util.stanza: Verify that other objects added as children are valid strings
Kim Alvefur <zash@zash.se>
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diff changeset
142 check_text(child, "text");
3490bc478804 util.stanza: Verify that other objects added as children are valid strings
Kim Alvefur <zash@zash.se>
parents: 8889
diff changeset
143 t_insert(self, child);
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144 end
0
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145 end
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146
180
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Matthew Wild <mwild1@gmail.com>
parents: 145
diff changeset
147 function stanza_mt:add_child(child)
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Waqas Hussain <waqas20@gmail.com>
parents: 3502
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148 local last_add = self.last_add;
6f58a3063c14 util.stanza, util.xmppstream, core.xmlhandlers: Allow stanza.last_add to be nil, and set it nil by default. Saves a table allocation per-element. 20% faster stanza building.
Waqas Hussain <waqas20@gmail.com>
parents: 3502
diff changeset
149 (last_add and last_add[#last_add] or self):add_direct_child(child);
180
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parents: 145
diff changeset
150 return self;
d8b9a19d70eb Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents: 145
diff changeset
151 end
d8b9a19d70eb Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents: 145
diff changeset
152
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Kim Alvefur <zash@zash.se>
parents: 7750
diff changeset
153 function stanza_mt:remove_children(name, xmlns)
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Kim Alvefur <zash@zash.se>
parents: 7750
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154 xmlns = xmlns or self.attr.xmlns;
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Kim Alvefur <zash@zash.se>
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155 return self:maptags(function (tag)
6bddc90eeb27 util.stanza: Add method for removing all children with a specific name, xmlns
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156 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
Kim Alvefur <zash@zash.se>
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157 return nil;
6bddc90eeb27 util.stanza: Add method for removing all children with a specific name, xmlns
Kim Alvefur <zash@zash.se>
parents: 7750
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158 end
6bddc90eeb27 util.stanza: Add method for removing all children with a specific name, xmlns
Kim Alvefur <zash@zash.se>
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159 return tag;
6bddc90eeb27 util.stanza: Add method for removing all children with a specific name, xmlns
Kim Alvefur <zash@zash.se>
parents: 7750
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160 end);
6bddc90eeb27 util.stanza: Add method for removing all children with a specific name, xmlns
Kim Alvefur <zash@zash.se>
parents: 7750
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161 end
6bddc90eeb27 util.stanza: Add method for removing all children with a specific name, xmlns
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162
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parents: 2077
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163 function stanza_mt:get_child(name, xmlns)
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parents: 2077
diff changeset
164 for _, child in ipairs(self.tags) do
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165 if (not name or child.name == name)
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parents: 2077
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166 and ((not xmlns and self.attr.xmlns == child.attr.xmlns)
49580a13f71e util.stanza: Add stanza:get_child(name, xmlns) to find a child tag given a name/xmlns
Matthew Wild <mwild1@gmail.com>
parents: 2077
diff changeset
167 or child.attr.xmlns == xmlns) then
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
168
2264
49580a13f71e util.stanza: Add stanza:get_child(name, xmlns) to find a child tag given a name/xmlns
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parents: 2077
diff changeset
169 return child;
49580a13f71e util.stanza: Add stanza:get_child(name, xmlns) to find a child tag given a name/xmlns
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parents: 2077
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170 end
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parents: 2077
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171 end
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parents: 2077
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172 end
49580a13f71e util.stanza: Add stanza:get_child(name, xmlns) to find a child tag given a name/xmlns
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parents: 2077
diff changeset
173
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Matthew Wild <mwild1@gmail.com>
parents: 3766
diff changeset
174 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
diff changeset
175 local tag = self:get_child(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
diff changeset
176 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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177 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
diff changeset
178 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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parents: 3766
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179 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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parents: 3766
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180 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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181
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182 function stanza_mt:child_with_name(name)
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183 for _, child in ipairs(self.tags) do
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184 if child.name == name then return child; end
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185 end
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186 end
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187
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parents: 680
diff changeset
188 function stanza_mt:child_with_ns(ns)
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189 for _, child in ipairs(self.tags) do
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parents: 680
diff changeset
190 if child.attr.xmlns == ns then return child; end
94b043fbaf33 Add child_with_ns() method to stanza elements, and fix child_with_name() to iterate tags rather than all children
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parents: 680
diff changeset
191 end
94b043fbaf33 Add child_with_ns() method to stanza elements, and fix child_with_name() to iterate tags rather than all children
Matthew Wild <mwild1@gmail.com>
parents: 680
diff changeset
192 end
94b043fbaf33 Add child_with_ns() method to stanza elements, and fix child_with_name() to iterate tags rather than all children
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parents: 680
diff changeset
193
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diff changeset
194 function stanza_mt:get_child_with_attr(name, xmlns, attr_name, attr_value, normalize)
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parents: 11642
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195 for tag in self:childtags(name, xmlns) do
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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parents: 11642
diff changeset
196 if (normalize and normalize(tag.attr[attr_name]) or tag.attr[attr_name]) == attr_value then
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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197 return tag;
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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parents: 11642
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198 end
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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parents: 11642
diff changeset
199 end
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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parents: 11642
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200 end
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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201
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diff changeset
202 function stanza_mt:children()
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matthew
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diff changeset
203 local i = 0;
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diff changeset
204 return function (a)
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parents: 0
diff changeset
205 i = i + 1
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0307a3ac3885 util.stanza: Optimisation, remove useless if...then in stanza:children() iterator
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parents: 3474
diff changeset
206 return a[i];
1
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diff changeset
207 end, self, i;
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208 end
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209
4168
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parents: 4136
diff changeset
210 function stanza_mt:childtags(name, xmlns)
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diff changeset
211 local tags = self.tags;
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parents: 2961
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212 local start_i, max_i = 1, #tags;
730876bbe4e6 util.stanza: Add stanza:matched_children(name, xmlns) [name suggestions welcome]
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parents: 2961
diff changeset
213 return function ()
4168
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Matthew Wild <mwild1@gmail.com>
parents: 4136
diff changeset
214 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
215 local v = tags[i];
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
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parents: 4136
diff changeset
216 if (not name or v.name == name)
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parents: 4749
diff changeset
217 and ((not xmlns and self.attr.xmlns == v.attr.xmlns)
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parents: 4749
diff changeset
218 or v.attr.xmlns == xmlns) then
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parents: 4136
diff changeset
219 start_i = i+1;
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
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parents: 4136
diff changeset
220 return v;
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parents: 2961
diff changeset
221 end
4168
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parents: 4136
diff changeset
222 end
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
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parents: 4136
diff changeset
223 end;
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parents: 1
diff changeset
224 end
1
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matthew
parents: 0
diff changeset
225
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parents: 3475
diff changeset
226 function stanza_mt:maptags(callback)
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parents: 3475
diff changeset
227 local tags, curr_tag = self.tags, 1;
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parents: 3475
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228 local n_children, n_tags = #self, #tags;
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parents: 8999
diff changeset
229 local max_iterations = n_children + 1;
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parents: 5435
diff changeset
230
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parents: 3475
diff changeset
231 local i = 1;
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parents: 5090
diff changeset
232 while curr_tag <= n_tags and n_tags > 0 do
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parents: 3475
diff changeset
233 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
234 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)
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parents: 3475
diff changeset
235 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
236 t_remove(self, i);
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
237 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)
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parents: 3475
diff changeset
238 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)
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parents: 3475
diff changeset
239 n_tags = n_tags - 1;
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diff changeset
240 i = i - 1;
efec29eb4cdd util.stanza: :maptags(): Fixes to make loop more robust on item removal
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parents: 5090
diff changeset
241 curr_tag = curr_tag - 1;
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parents: 3475
diff changeset
242 else
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parents: 3475
diff changeset
243 self[i] = ret;
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f56e449a63e3 util.stanza: Use correct index when replacing the tag in .tags (thanks daurnimator)
Matthew Wild <mwild1@gmail.com>
parents: 5424
diff changeset
244 tags[curr_tag] = ret;
3477
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parents: 3475
diff changeset
245 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
246 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)
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parents: 3475
diff changeset
247 end
5414
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parents: 5090
diff changeset
248 i = i + 1;
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parents: 8999
diff changeset
249 if i > max_iterations then
7df29c5fbb9b util.stanza + tests: Bail out of loop if we are iterating too far, fixes #981
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parents: 8999
diff changeset
250 -- COMPAT: Hopefully temporary guard against #981 while we
7df29c5fbb9b util.stanza + tests: Bail out of loop if we are iterating too far, fixes #981
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parents: 8999
diff changeset
251 -- figure out the root cause
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parents: 8999
diff changeset
252 error("Invalid stanza state! Please report this error.");
7df29c5fbb9b util.stanza + tests: Bail out of loop if we are iterating too far, fixes #981
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parents: 8999
diff changeset
253 end
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
254 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
255 return self;
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
256 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
257
5424
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
258 function stanza_mt:find(path)
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
259 local pos = 1;
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
260 local len = #path + 1;
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
261
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
262 repeat
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
263 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
264 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
265 if char == "@" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
266 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
267 elseif char == "{" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
268 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
269 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
270 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
271 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
272 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
273 if text == "#" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
274 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
275 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
276 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
277 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
278 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
279 until not self
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
280 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
281
9924
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
282 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
283 local attr, tags = {}, {};
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
284 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
285 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
286 if old_namespaces then
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
287 namespaces = {};
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
288 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
289 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
290 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
291 if not only_top then
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
292 for i=1,#stanza do
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
293 local child = stanza[i];
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
294 if child.name then
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
295 child = _clone(child);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
296 t_insert(tags, child);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
297 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
298 t_insert(new, child);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
299 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
300 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
301 return setmetatable(new, stanza_mt);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
302 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
303
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
304 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
305 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
306 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
307 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
308 return _clone(stanza, only_top);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
309 end
5424
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
310
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
311 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
312 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
313
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
314 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
315 local nsid = 0;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
316 local name = t.name
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
317 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
318 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
319 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
320 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
321 nsid = nsid + 1;
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
322 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
323 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
324 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
325 end
1416
f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
Waqas Hussain <waqas20@gmail.com>
parents: 1415
diff changeset
326 end
1431
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
327 local len = #t;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
328 if len == 0 then
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
329 t_insert(buf, "/>");
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
330 else
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
331 t_insert(buf, ">");
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
332 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
333 local child = t[n];
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
334 if child.name then
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
335 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
336 else
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
337 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
338 end
4
09c3845ed442 Presence unavailable on disconnect
matthew
parents: 2
diff changeset
339 end
1431
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
340 t_insert(buf, "</"..name..">");
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
341 end
626
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
342 end
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
343 function stanza_mt.__tostring(t)
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
344 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
345 _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
346 return t_concat(buf);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
347 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
348
242
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
349 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
350 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
351 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
352 end
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
353
1420
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
354 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
355 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
356 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
357 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
358 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
359
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
360 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
361 local error_type, condition, text, extra_tag;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
362
2526
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
363 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
364 if not error_tag then
11088
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
365 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
366 end
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
367 error_type = error_tag.attr.type;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
368
5090
61c7c53c06d5 util.stanza: Use ipairs instead of childtags (behavior changed in 92c86e11fd44)
Kim Alvefur <zash@zash.se>
parents: 4936
diff changeset
369 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
370 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
371 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
372 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
373 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
374 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
375 end
11088
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
376 else
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
377 extra_tag = child;
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
378 end
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
379 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
380 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
381 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
382 end
11088
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
383 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
384 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
385
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
386 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
387 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
388 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
389 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
390 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
391 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
392 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
393 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
394 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
395 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
396 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
397
9489
09b873ac7eb8 util.stanza: Set preserialize as freeze metamethod
Kim Alvefur <zash@zash.se>
parents: 9307
diff changeset
398 stanza_mt.__freeze = preserialize;
09b873ac7eb8 util.stanza: Set preserialize as freeze metamethod
Kim Alvefur <zash@zash.se>
parents: 9307
diff changeset
399
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
400 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
401 -- Set metatable
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
402 if serialized then
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
403 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
404 local attrx = {};
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
405 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
406 if type(att) == "string" then
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
407 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
408 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
409 attrx[ns.."\1"..na] = val;
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
410 else
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
411 attrx[att] = val;
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
412 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
413 end
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
414 end
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
415 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
416 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
417 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
418 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
419 elseif type(child) == "string" then
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
420 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
421 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
422 end
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
423 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
424 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
425 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
426
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
427 local function message(attr, body)
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
428 if not body then
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
429 return new_stanza("message", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
430 else
10116
4807535b8673 util.stanza: Use :text_tag internally everywhere
Kim Alvefur <zash@zash.se>
parents: 9924
diff changeset
431 return new_stanza("message", attr):text_tag("body", body);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
432 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
433 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
434 local function iq(attr)
9732
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
435 if not attr then
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
436 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
437 end
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
438 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
439 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
440 end
9732
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
441 if not attr.type then
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
442 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
443 end
9307
feaef6215bb8 util.stanza: Don't automatically generate ids for iq stanzas
Matthew Wild <mwild1@gmail.com>
parents: 9217
diff changeset
444 return new_stanza("iq", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
445 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
446
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
447 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
448 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
449 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
450 end
8382
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
451 return new_stanza(orig.name,
10443
f28718f46196 util.stanza: Remove redundant check for attrs
Kim Alvefur <zash@zash.se>
parents: 10442
diff changeset
452 {
8382
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
453 to = orig.attr.from,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
454 from = orig.attr.to,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
455 id = orig.attr.id,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
456 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
457 });
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
458 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
459
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
460 local 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
461 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
462 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
463 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
464 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
465 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
466 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
467 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
468 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
469 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
470 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
471 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
472 extra = error_type.extra;
11083
4d12a6785531 util.stanza: Support getting 'by' from util.error object
Kim Alvefur <zash@zash.se>
parents: 11082
diff changeset
473 end
11085
5705d151ea11 util.stanza: Get 'by' from context instead
Kim Alvefur <zash@zash.se>
parents: 11084
diff changeset
474 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
475 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
476 end
10446
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
477 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
478 error_by = nil;
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
479 end
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
480 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
481 :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
482 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
483 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
484 end
5e09a3389adb util.stanza: Support inclusion of <gone> URI from util.error object
Kim Alvefur <zash@zash.se>
parents: 11083
diff changeset
485 t:up();
10116
4807535b8673 util.stanza: Use :text_tag internally everywhere
Kim Alvefur <zash@zash.se>
parents: 9924
diff changeset
486 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
487 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
488 t:add_child(extra.tag);
2846b6226a8e util.stanza: Support Application-Specific Conditions in util.error
Kim Alvefur <zash@zash.se>
parents: 11085
diff changeset
489 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
490 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
491 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
492 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
493 end
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents: 30
diff changeset
494
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
495 local function presence(attr)
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
496 return new_stanza("presence", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
497 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
498
11642
7f2dee4249aa util.stanza: Export pretty printing function
Kim Alvefur <zash@zash.se>
parents: 11640
diff changeset
499 local pretty;
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
500 if do_pretty_printing then
11639
ad39528e647d util.stanza: Remove Windows "support" (disabling ANSI color pretty printing)
Kim Alvefur <zash@zash.se>
parents: 11574
diff changeset
501 local getstyle, getstring = termcolours.getstyle, termcolours.getstring;
11640
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
502
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
503 local blue1 = getstyle("1b3967");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
504 local blue2 = getstyle("13b5ea");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
505 local green1 = getstyle("439639");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
506 local green2 = getstyle("a0ce67");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
507 local orange1 = getstyle("d9541e");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
508 local orange2 = getstyle("e96d1f");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
509
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
510 local attr_replace = (
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
511 getstring(green2, "%1") .. -- attr name
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
512 getstring(green1, "%2") .. -- equal
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
513 getstring(orange1, "%3") .. -- quote
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
514 getstring(orange2, "%4") .. -- attr value
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
515 getstring(orange1, "%5") -- quote
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
516 );
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
517
11640
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
518 local text_replace = (
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
519 getstring(green1, "%1") .. -- &
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
520 getstring(green2, "%2") .. -- amp
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
521 getstring(green1, "%3") -- ;
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
522 );
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
523
11642
7f2dee4249aa util.stanza: Export pretty printing function
Kim Alvefur <zash@zash.se>
parents: 11640
diff changeset
524 function pretty(s)
11640
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
525 -- Tag soup color
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
526 -- Outer gsub call takes each <tag>, applies colour to the brackets, the
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
527 -- tag name, then applies one inner gsub call to colour the attributes and
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
528 -- another for any text content.
11960
12a3c05aa12d util.stanza: Adjust pretty printing for symmetry
Kim Alvefur <zash@zash.se>
parents: 11786
diff changeset
529 return (s:gsub("(<[?/]?)([^ >/?]*)(.-)([?/]?>)([^<]*)", function(opening_bracket, tag_name, attrs, closing_bracket, content)
11640
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
530 return getstring(blue1, opening_bracket)..getstring(blue2, tag_name)..
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
531 attrs:gsub("([^=]+)(=)([\"'])(.-)([\"'])", attr_replace) ..
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
532 getstring(blue1, closing_bracket) ..
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
533 content:gsub("(&#?)(%w+)(;)", text_replace);
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
534 end, 100));
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
535 end
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
536
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
537 function stanza_mt.pretty_print(t)
11640
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
538 return pretty(tostring(t));
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
539 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
540
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
541 function stanza_mt.pretty_top_tag(t)
11640
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
542 return pretty(t:top_tag());
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
543 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
544 else
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
545 -- Sorry, fresh out of colours for you guys ;)
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
546 stanza_mt.pretty_print = stanza_mt.__tostring;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
547 stanza_mt.pretty_top_tag = stanza_mt.top_tag;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
548 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
549
10717
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
550 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
551 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
552 -- 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
553 -- 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
554 -- 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
555 return t;
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
556 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
557
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
558 indent = indent or "\t";
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
559 level = level or 1;
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
560 local tag = clone(t, true);
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
561
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
562 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
563 if type(child) == "string" then
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
564 -- 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
565 if child:find("%S") then
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
566 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
567 tag:text(child);
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
568 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
569 elseif is_stanza(child) then
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
570 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
571 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
572 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
573 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
574 -- before the closing tag
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
575 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
576
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
577 return tag;
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
578 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
579
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
580 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
581 stanza_mt = stanza_mt;
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
582 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
583 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
584 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
585 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
586 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
587 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
588 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
589 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
590 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
591 presence = presence;
6821
5de30376bf98 util.stanza: Export xml_escape (missed during removal of module() calls)
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
592 xml_escape = xml_escape;
11642
7f2dee4249aa util.stanza: Export pretty printing function
Kim Alvefur <zash@zash.se>
parents: 11640
diff changeset
593 pretty_print = pretty;
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
594 };