prosody
2b3adaa6d38e
util/stanza.lua

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util/stanza.lua @ 12469:2b3adaa6d38e

util.strbitop: Reduce scope of functions Equivalent to 'local' in Lua, these functions are exported via the luaopen_ function, which is the only one needing to be visible outside of the file. Pointed out by Link Mauve at some point, but there wasn't really any rush here.
author Kim Alvefur <zash@zash.se>
date Sat, 23 Apr 2022 14:29:43 +0200
parent 12407:b6b01724e04f
child 12636:e8934ce6ea0f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1523
841d61be198f Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
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diff changeset
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 local t_move = table.move or require "util.table".move;
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25 local t_create = require"util.table".create;
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26
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27 local valid_utf8 = require "util.encodings".utf8.valid;
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28
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29 local do_pretty_printing, termcolours = pcall(require, "util.termcolours");
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30
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31 local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
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32
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33 local _ENV = nil;
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34 -- luacheck: std none
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36 local stanza_mt = { __name = "stanza" };
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37 stanza_mt.__index = stanza_mt;
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38
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39 local function valid_xml_cdata(str, attr)
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40 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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41 end
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42
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43 local function check_name(name, name_type)
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44 if type(name) ~= "string" then
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45 error("invalid "..name_type.." name: expected string, got "..type(name));
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46 elseif #name == 0 then
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47 error("invalid "..name_type.." name: empty string");
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48 elseif s_find(name, "[<>& '\"]") then
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49 error("invalid "..name_type.." name: contains invalid characters");
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50 elseif not valid_xml_cdata(name, name_type == "attribute") then
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51 error("invalid "..name_type.." name: contains control characters");
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52 elseif not valid_utf8(name) then
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53 error("invalid "..name_type.." name: contains invalid utf8");
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54 end
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55 end
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56
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57 local function check_text(text, text_type)
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58 if type(text) ~= "string" then
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59 error("invalid "..text_type.." value: expected string, got "..type(text));
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60 elseif not valid_xml_cdata(text, false) then
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61 error("invalid "..text_type.." value: contains control characters");
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62 elseif not valid_utf8(text) then
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63 error("invalid "..text_type.." value: contains invalid utf8");
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64 end
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65 end
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66
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67 local function check_attr(attr)
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68 if attr ~= nil then
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69 if type(attr) ~= "table" then
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70 error("invalid attributes: expected table, got "..type(attr));
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71 end
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72 for k, v in pairs(attr) do
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73 check_name(k, "attribute");
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74 check_text(v, "attribute");
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75 end
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76 end
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77 end
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78
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79 local function new_stanza(name, attr, namespaces)
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80 check_name(name, "tag");
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81 check_attr(attr);
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82 local stanza = { name = name, attr = attr or {}, namespaces = namespaces, tags = {} };
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83 return setmetatable(stanza, stanza_mt);
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84 end
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85
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86 local function is_stanza(s)
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87 return getmetatable(s) == stanza_mt;
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88 end
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89
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90 function stanza_mt:query(xmlns)
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91 return self:tag("query", { xmlns = xmlns });
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92 end
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93
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94 function stanza_mt:body(text, attr)
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95 return self:text_tag("body", text, attr);
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96 end
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97
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98 function stanza_mt:text_tag(name, text, attr, namespaces)
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99 return self:tag(name, attr, namespaces):text(text):up();
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100 end
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101
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102 function stanza_mt:tag(name, attr, namespaces)
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103 local s = new_stanza(name, attr, namespaces);
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104 local last_add = self.last_add;
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105 if not last_add then last_add = {}; self.last_add = last_add; end
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106 (last_add[#last_add] or self):add_direct_child(s);
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107 t_insert(last_add, s);
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108 return self;
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109 end
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110
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111 function stanza_mt:text(text)
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112 if text ~= nil and text ~= "" then
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113 local last_add = self.last_add;
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114 (last_add and last_add[#last_add] or self):add_direct_child(text);
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115 end
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116 return self;
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117 end
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118
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119 function stanza_mt:up()
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120 local last_add = self.last_add;
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121 if last_add then t_remove(last_add); end
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122 return self;
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123 end
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124
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125 function stanza_mt:at_top()
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126 return self.last_add == nil or #self.last_add == 0
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127 end
21217f7e82b9 util.stanza: add at_top helper
Jonas Schäfer <jonas@wielicki.name>
parents: 11264
diff changeset
128
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129 function stanza_mt:reset()
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130 self.last_add = nil;
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131 return self;
3296db2ad4a0 util.stanza: stanza:reset() method to reset building state
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parents: 896
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132 end
3296db2ad4a0 util.stanza: stanza:reset() method to reset building state
Matthew Wild <mwild1@gmail.com>
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133
180
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parents: 145
diff changeset
134 function stanza_mt:add_direct_child(child)
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Kim Alvefur <zash@zash.se>
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diff changeset
135 if is_stanza(child) then
1
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136 t_insert(self.tags, child);
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137 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
138 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
139 check_text(child, "text");
3490bc478804 util.stanza: Verify that other objects added as children are valid strings
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140 t_insert(self, child);
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141 end
0
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142 end
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143
180
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Matthew Wild <mwild1@gmail.com>
parents: 145
diff changeset
144 function stanza_mt:add_child(child)
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Waqas Hussain <waqas20@gmail.com>
parents: 3502
diff changeset
145 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
146 (last_add and last_add[#last_add] or self):add_direct_child(child);
180
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parents: 145
diff changeset
147 return self;
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Matthew Wild <mwild1@gmail.com>
parents: 145
diff changeset
148 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
149
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Kim Alvefur <zash@zash.se>
parents: 7750
diff changeset
150 function stanza_mt:remove_children(name, xmlns)
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parents: 7750
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151 xmlns = xmlns or self.attr.xmlns;
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152 return self:maptags(function (tag)
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153 if (not name or tag.name == name) and tag.attr.xmlns == xmlns then
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Kim Alvefur <zash@zash.se>
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154 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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155 end
6bddc90eeb27 util.stanza: Add method for removing all children with a specific name, xmlns
Kim Alvefur <zash@zash.se>
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156 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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157 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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158 end
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Kim Alvefur <zash@zash.se>
parents: 7750
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159
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160 function stanza_mt:get_child(name, xmlns)
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Matthew Wild <mwild1@gmail.com>
parents: 2077
diff changeset
161 for _, child in ipairs(self.tags) do
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162 if (not name or child.name == name)
2264
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parents: 2077
diff changeset
163 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
164 or child.attr.xmlns == xmlns) then
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
165
2264
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parents: 2077
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166 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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167 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
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168 end
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
169 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
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170
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Matthew Wild <mwild1@gmail.com>
parents: 3766
diff changeset
171 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
172 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
173 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)
Matthew Wild <mwild1@gmail.com>
parents: 3766
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174 return tag:get_text();
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parents: 3766
diff changeset
175 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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176 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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177 end
ccc16434dbe2 util.stanza: Add get_child_text() method to get the text of the specified child element (get_child() + get_text() rolled into one step)
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178
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179 function stanza_mt:child_with_name(name)
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180 for _, child in ipairs(self.tags) do
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181 if child.name == name then return child; end
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182 end
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183 end
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184
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parents: 680
diff changeset
185 function stanza_mt:child_with_ns(ns)
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186 for _, child in ipairs(self.tags) do
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parents: 680
diff changeset
187 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
Matthew Wild <mwild1@gmail.com>
parents: 680
diff changeset
188 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
189 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
190
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diff changeset
191 function stanza_mt:get_child_with_attr(name, xmlns, attr_name, attr_value, normalize)
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parents: 11642
diff changeset
192 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
193 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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194 return tag;
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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parents: 11642
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195 end
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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parents: 11642
diff changeset
196 end
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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parents: 11642
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197 end
39164ea2ab9e util.stanza: Add :get_child_with_attr() + tests
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parents: 11642
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198
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diff changeset
199 function stanza_mt:children()
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200 local i = 0;
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201 return function (a)
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diff changeset
202 i = i + 1
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parents: 3474
diff changeset
203 return a[i];
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diff changeset
204 end, self, i;
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205 end
3474
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206
4168
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parents: 4136
diff changeset
207 function stanza_mt:childtags(name, xmlns)
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208 local tags = self.tags;
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parents: 2961
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209 local start_i, max_i = 1, #tags;
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parents: 2961
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210 return function ()
4168
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parents: 4136
diff changeset
211 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
212 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
213 if (not name or v.name == name)
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parents: 4749
diff changeset
214 and ((not xmlns and self.attr.xmlns == v.attr.xmlns)
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parents: 4749
diff changeset
215 or v.attr.xmlns == xmlns) then
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parents: 4136
diff changeset
216 start_i = i+1;
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
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parents: 4136
diff changeset
217 return v;
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parents: 2961
diff changeset
218 end
4168
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parents: 4136
diff changeset
219 end
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
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parents: 4136
diff changeset
220 end;
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parents: 1
diff changeset
221 end
1
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matthew
parents: 0
diff changeset
222
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Matthew Wild <mwild1@gmail.com>
parents: 3475
diff changeset
223 function stanza_mt:maptags(callback)
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parents: 3475
diff changeset
224 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)
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parents: 3475
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225 local n_children, n_tags = #self, #tags;
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parents: 8999
diff changeset
226 local max_iterations = n_children + 1;
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parents: 5435
diff changeset
227
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parents: 3475
diff changeset
228 local i = 1;
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parents: 5090
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229 while curr_tag <= n_tags and n_tags > 0 do
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parents: 3475
diff changeset
230 if self[i] == tags[curr_tag] then
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
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parents: 3475
diff changeset
231 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
232 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
233 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
234 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
235 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
236 n_tags = n_tags - 1;
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diff changeset
237 i = i - 1;
efec29eb4cdd util.stanza: :maptags(): Fixes to make loop more robust on item removal
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parents: 5090
diff changeset
238 curr_tag = curr_tag - 1;
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parents: 3475
diff changeset
239 else
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
240 self[i] = ret;
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Matthew Wild <mwild1@gmail.com>
parents: 5424
diff changeset
241 tags[curr_tag] = ret;
3477
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parents: 3475
diff changeset
242 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
243 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
244 end
5414
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parents: 5090
diff changeset
245 i = i + 1;
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Matthew Wild <mwild1@gmail.com>
parents: 8999
diff changeset
246 if i > max_iterations then
7df29c5fbb9b util.stanza + tests: Bail out of loop if we are iterating too far, fixes #981
Matthew Wild <mwild1@gmail.com>
parents: 8999
diff changeset
247 -- 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
248 -- figure out the root cause
7df29c5fbb9b util.stanza + tests: Bail out of loop if we are iterating too far, fixes #981
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parents: 8999
diff changeset
249 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
250 end
3477
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parents: 3475
diff changeset
251 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
252 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
253 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
254
5424
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
255 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
256 local pos = 1;
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
257 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
258
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
259 repeat
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
260 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
261 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
262 if char == "@" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
263 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
264 elseif char == "{" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
265 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
266 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
267 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
268 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
269 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
270 if text == "#" then
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
271 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
272 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
273 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
274 end
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
275 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
276 until not self
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
9924
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
279 local function _clone(stanza, only_top)
12407
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
280 local attr = {};
9924
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
281 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
282 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
283 if old_namespaces then
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
284 namespaces = {};
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
285 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
286 end
12407
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
287 local tags, new;
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
288 if only_top then
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
289 tags = {};
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
290 new = { name = stanza.name, attr = attr, namespaces = namespaces, tags = tags };
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
291 else
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
292 tags = t_create(#stanza.tags, 0);
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
293 new = t_create(#stanza, 4);
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
294 new.name = stanza.name;
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
295 new.attr = attr;
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
296 new.namespaces = namespaces;
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
297 new.tags = tags;
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
298 end
b6b01724e04f util.stanza: Create tables with correct size to avoid reallocations
Kim Alvefur <zash@zash.se>
parents: 12406
diff changeset
299
12406
a3ddf3f42212 util.stanza: Use table.move in clone
Kim Alvefur <zash@zash.se>
parents: 12140
diff changeset
300 setmetatable(new, stanza_mt);
9924
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
301 if not only_top then
12406
a3ddf3f42212 util.stanza: Use table.move in clone
Kim Alvefur <zash@zash.se>
parents: 12140
diff changeset
302 t_move(stanza, 1, #stanza, 1, new);
a3ddf3f42212 util.stanza: Use table.move in clone
Kim Alvefur <zash@zash.se>
parents: 12140
diff changeset
303 t_move(stanza.tags, 1, #stanza.tags, 1, tags);
a3ddf3f42212 util.stanza: Use table.move in clone
Kim Alvefur <zash@zash.se>
parents: 12140
diff changeset
304 new:maptags(_clone);
9924
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
305 end
12406
a3ddf3f42212 util.stanza: Use table.move in clone
Kim Alvefur <zash@zash.se>
parents: 12140
diff changeset
306 return new;
9924
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
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
309 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
310 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
311 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
312 end
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
313 return _clone(stanza, only_top);
5a2e53bef031 util.stanza: Fix :top_tag() handling of namespaced attributes
Matthew Wild <mwild1@gmail.com>
parents: 9732
diff changeset
314 end
5424
7318527c6dea util.stanza: Add stanza:find(), a light weight XPath-like method
Kim Alvefur <zash@zash.se>
parents: 5414
diff changeset
315
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
316 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
317 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
318
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
319 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
320 local nsid = 0;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
321 local name = t.name
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
322 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
323 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
324 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
325 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
326 nsid = nsid + 1;
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
327 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
328 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
329 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
330 end
1416
f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
Waqas Hussain <waqas20@gmail.com>
parents: 1415
diff changeset
331 end
1431
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
332 local len = #t;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
333 if len == 0 then
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
334 t_insert(buf, "/>");
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
335 else
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
336 t_insert(buf, ">");
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
337 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
338 local child = t[n];
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
339 if child.name then
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
340 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
341 else
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
342 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
343 end
4
09c3845ed442 Presence unavailable on disconnect
matthew
parents: 2
diff changeset
344 end
1431
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
345 t_insert(buf, "</"..name..">");
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
346 end
626
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
347 end
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
348 function stanza_mt.__tostring(t)
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
349 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
350 _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
351 return t_concat(buf);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
352 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
353
242
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
354 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
355 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
356 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
357 end
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
358
1420
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
359 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
360 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
361 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
362 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
363 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
364
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
365 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
366 local error_type, condition, text, extra_tag;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
367
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
368 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
369 if not error_tag then
11088
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
370 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
371 end
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
372 error_type = error_tag.attr.type;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
373
5090
61c7c53c06d5 util.stanza: Use ipairs instead of childtags (behavior changed in 92c86e11fd44)
Kim Alvefur <zash@zash.se>
parents: 4936
diff changeset
374 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
375 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
376 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
377 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
378 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
379 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
380 end
11088
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
381 else
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
382 extra_tag = child;
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
383 end
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
384 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
385 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
386 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
387 end
11088
1f84d0e4d0c4 util.stanza: Extract Application-Specific Condition from errors
Kim Alvefur <zash@zash.se>
parents: 11086
diff changeset
388 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
389 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
390
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
391 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
392 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
393 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
394 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
395 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
396 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
397 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
398 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
399 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
400 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
401 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
402
9489
09b873ac7eb8 util.stanza: Set preserialize as freeze metamethod
Kim Alvefur <zash@zash.se>
parents: 9307
diff changeset
403 stanza_mt.__freeze = preserialize;
09b873ac7eb8 util.stanza: Set preserialize as freeze metamethod
Kim Alvefur <zash@zash.se>
parents: 9307
diff changeset
404
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
405 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
406 -- Set metatable
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
407 if serialized then
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
408 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
409 local attrx = {};
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
410 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
411 if type(att) == "string" then
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
412 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
413 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
414 attrx[ns.."\1"..na] = val;
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
415 else
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
416 attrx[att] = val;
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
417 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
418 end
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
419 end
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
420 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
421 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
422 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
423 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
424 elseif type(child) == "string" then
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
425 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
426 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
427 end
9674
6f97acc4583b util.stanza: Deserialize stanza without mutating input (fixes #711)
Kim Alvefur <zash@zash.se>
parents: 9630
diff changeset
428 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
429 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
430 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
431
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
432 local function message(attr, body)
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
433 if not body then
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
434 return new_stanza("message", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
435 else
10116
4807535b8673 util.stanza: Use :text_tag internally everywhere
Kim Alvefur <zash@zash.se>
parents: 9924
diff changeset
436 return new_stanza("message", attr):text_tag("body", body);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
437 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
438 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
439 local function iq(attr)
9732
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
440 if not attr then
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
441 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
442 end
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
443 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
444 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
445 end
9732
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
446 if not attr.type then
51583ea2b4fd util.stanza: Require a type attribute for iq stanzas
Kim Alvefur <zash@zash.se>
parents: 9674
diff changeset
447 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
448 end
9307
feaef6215bb8 util.stanza: Don't automatically generate ids for iq stanzas
Matthew Wild <mwild1@gmail.com>
parents: 9217
diff changeset
449 return new_stanza("iq", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
450 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
451
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
452 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
453 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
454 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
455 end
8382
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
456 return new_stanza(orig.name,
10443
f28718f46196 util.stanza: Remove redundant check for attrs
Kim Alvefur <zash@zash.se>
parents: 10442
diff changeset
457 {
8382
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
458 to = orig.attr.from,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
459 from = orig.attr.to,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
460 id = orig.attr.id,
e5d00bf4a4d5 util: Various minor changes to please [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7758
diff changeset
461 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
462 });
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
463 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
464
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
465 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
466 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
467 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
468 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
469 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
470 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
471 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
472 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
473 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
474 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
475 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
476 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
477 extra = error_type.extra;
11083
4d12a6785531 util.stanza: Support getting 'by' from util.error object
Kim Alvefur <zash@zash.se>
parents: 11082
diff changeset
478 end
11085
5705d151ea11 util.stanza: Get 'by' from context instead
Kim Alvefur <zash@zash.se>
parents: 11084
diff changeset
479 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
480 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
481 end
10446
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
482 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
483 error_by = nil;
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
484 end
5c2d1b13537c util.stanza: Support the 'by' attribute on errors
Kim Alvefur <zash@zash.se>
parents: 10445
diff changeset
485 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
486 :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
487 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
488 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
489 end
5e09a3389adb util.stanza: Support inclusion of <gone> URI from util.error object
Kim Alvefur <zash@zash.se>
parents: 11083
diff changeset
490 t:up();
10116
4807535b8673 util.stanza: Use :text_tag internally everywhere
Kim Alvefur <zash@zash.se>
parents: 9924
diff changeset
491 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
492 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
493 t:add_child(extra.tag);
2846b6226a8e util.stanza: Support Application-Specific Conditions in util.error
Kim Alvefur <zash@zash.se>
parents: 11085
diff changeset
494 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
495 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
496 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
497 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
498 end
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents: 30
diff changeset
499
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
500 local function presence(attr)
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
501 return new_stanza("presence", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
502 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
503
11642
7f2dee4249aa util.stanza: Export pretty printing function
Kim Alvefur <zash@zash.se>
parents: 11640
diff changeset
504 local pretty;
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
505 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
506 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
507
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
508 local blue1 = getstyle("1b3967");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
509 local blue2 = getstyle("13b5ea");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
510 local green1 = getstyle("439639");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
511 local green2 = getstyle("a0ce67");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
512 local orange1 = getstyle("d9541e");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
513 local orange2 = getstyle("e96d1f");
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
514
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
515 local attr_replace = (
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
516 getstring(green2, "%1") .. -- attr name
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
517 getstring(green1, "%2") .. -- equal
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
518 getstring(orange1, "%3") .. -- quote
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
519 getstring(orange2, "%4") .. -- attr value
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
520 getstring(orange1, "%5") -- quote
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
521 );
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
522
11640
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
523 local text_replace = (
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
524 getstring(green1, "%1") .. -- &
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
525 getstring(green2, "%2") .. -- amp
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
526 getstring(green1, "%3") -- ;
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
527 );
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
528
11642
7f2dee4249aa util.stanza: Export pretty printing function
Kim Alvefur <zash@zash.se>
parents: 11640
diff changeset
529 function pretty(s)
11640
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
530 -- Tag soup color
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
531 -- 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
532 -- 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
533 -- another for any text content.
11960
12a3c05aa12d util.stanza: Adjust pretty printing for symmetry
Kim Alvefur <zash@zash.se>
parents: 11786
diff changeset
534 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
535 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
536 attrs:gsub("([^=]+)(=)([\"'])(.-)([\"'])", attr_replace) ..
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
537 getstring(blue1, closing_bracket) ..
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
538 content:gsub("(&#?)(%w+)(;)", text_replace);
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
539 end, 100));
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
540 end
51598e46e136 util.stanza: Simplify and make pretty-printing look nicer
Kim Alvefur <zash@zash.se>
parents: 11639
diff changeset
541
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
542 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
543 return pretty(tostring(t));
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
544 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
545
262
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
546 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
547 return pretty(t:top_tag());
262
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 else
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
550 -- Sorry, fresh out of colours for you guys ;)
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
551 stanza_mt.pretty_print = stanza_mt.__tostring;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
552 stanza_mt.pretty_top_tag = stanza_mt.top_tag;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
553 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
554
10717
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
555 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
556 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
557 -- 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
558 -- 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
559 -- 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
560 return t;
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
561 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
562
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
563 indent = indent or "\t";
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
564 level = level or 1;
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
565 local tag = clone(t, true);
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
566
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
567 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
568 if type(child) == "string" then
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
569 -- 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
570 if child:find("%S") then
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
571 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
572 tag:text(child);
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 elseif is_stanza(child) then
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));
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
576 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
577 end
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 -- before the closing tag
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
580 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
581
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
582 return tag;
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
583 end
05e4645fc9b3 util.stanza: Add method returning stanza with added indentation
Kim Alvefur <zash@zash.se>
parents: 10503
diff changeset
584
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
585 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
586 stanza_mt = stanza_mt;
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
587 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
588 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
589 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
590 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
591 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
592 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
593 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
594 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
595 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
596 presence = presence;
6821
5de30376bf98 util.stanza: Export xml_escape (missed during removal of module() calls)
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
597 xml_escape = xml_escape;
11642
7f2dee4249aa util.stanza: Export pretty printing function
Kim Alvefur <zash@zash.se>
parents: 11640
diff changeset
598 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
599 };