prosody
61759372be26
util/datamapper.lua

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util/datamapper.lua @ 11707:61759372be26

mod_s2s: Clone 'extra' data to let resolvers add more to it This way 'extra' is unique for each connect() instance, making it safer to mutate it, while inheriting the global settings. See 926d53af9a7a for some more context.
author Kim Alvefur <zash@zash.se>
date Sun, 18 Jul 2021 21:53:26 +0200
parent 11481:b2f9782497dd
child 12133:11060c8919b6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local st = require("util.stanza");
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2
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3 local schema_t = {}
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4
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5 local function toboolean(s)
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6 if s == "true" or s == "1" then
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7 return true
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8 elseif s == "false" or s == "0" then
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9 return false
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10 elseif s then
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11 return true
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12 end
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13 end
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14
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15 local function totype(t, s)
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16 if not s then
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17 return nil
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18 end
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19 if t == "string" then
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20 return s
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21 elseif t == "boolean" then
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22 return toboolean(s)
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23 elseif t == "number" or t == "integer" then
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24 return tonumber(s)
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25 end
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26 end
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27
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28 local value_goes = {}
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29
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30 local function unpack_propschema(propschema, propname, current_ns)
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31
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32 local proptype = "string"
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33 local value_where = propname and "in_text_tag" or "in_text"
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34 local name = propname
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35 local namespace
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36 local prefix
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37 local single_attribute
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38 local enums
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39
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40 if type(propschema) == "table" then
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41 proptype = propschema.type
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42 elseif type(propschema) == "string" then
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43 proptype = propschema
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44 end
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45
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46 if proptype == "object" or proptype == "array" then
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47 value_where = "in_children"
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48 end
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49
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50 if type(propschema) == "table" then
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51 local xml = propschema.xml
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52 if xml then
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53 if xml.name then
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54 name = xml.name
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55 end
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56 if xml.namespace and xml.namespace ~= current_ns then
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57 namespace = xml.namespace
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58 end
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59 if xml.prefix then
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60 prefix = xml.prefix
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61 end
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62 if proptype == "array" and xml.wrapped then
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63 value_where = "in_wrapper"
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64 elseif xml.attribute then
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65 value_where = "in_attribute"
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66 elseif xml.text then
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67 value_where = "in_text"
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68 elseif xml.x_name_is_value then
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69 value_where = "in_tag_name"
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70 elseif xml.x_single_attribute then
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71 single_attribute = xml.x_single_attribute
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72 value_where = "in_single_attribute"
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73 end
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74 end
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75 if propschema["const"] then
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76 enums = {propschema["const"]}
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77 elseif propschema["enum"] then
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78 enums = propschema["enum"]
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79 end
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80 end
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81
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82 return proptype, value_where, name, namespace, prefix, single_attribute, enums
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83 end
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84
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85 local parse_object
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86 local parse_array
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87
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88 local function extract_value(s, value_where, proptype, name, namespace, prefix, single_attribute, enums)
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89 if value_where == "in_tag_name" then
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90 local c
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91 if proptype == "boolean" then
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92 c = s:get_child(name, namespace);
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93 elseif enums and proptype == "string" then
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94
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95 for i = 1, #enums do
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96 c = s:get_child(enums[i], namespace);
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97 if c then
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98 break
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99 end
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100 end
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101 else
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102 c = s:get_child(nil, namespace);
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103 end
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104 if c then
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105 return c.name
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106 end
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107 elseif value_where == "in_attribute" then
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108 local attr = name
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109 if prefix then
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110 attr = prefix .. ":" .. name
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111 elseif namespace and namespace ~= s.attr.xmlns then
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112 attr = namespace .. "\1" .. name
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113 end
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114 return s.attr[attr]
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115
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116 elseif value_where == "in_text" then
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117 return s:get_text()
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118
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119 elseif value_where == "in_single_attribute" then
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120 local c = s:get_child(name, namespace)
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121 return c and c.attr[single_attribute]
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122 elseif value_where == "in_text_tag" then
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123 return s:get_child_text(name, namespace)
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124 end
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125 end
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126
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127 function parse_object(schema, s)
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128 local out = {}
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129 if type(schema) == "table" and schema.properties then
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130 for prop, propschema in pairs(schema.properties) do
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131
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132 local proptype, value_where, name, namespace, prefix, single_attribute, enums = unpack_propschema(propschema, prop, s.attr.xmlns)
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133
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134 if value_where == "in_children" and type(propschema) == "table" then
11455
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type
Kim Alvefur <zash@zash.se>
parents: 11454
diff changeset
135 if proptype == "object" then
11435
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 local c = s:get_child(name, namespace)
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 if c then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 out[prop] = parse_object(propschema, c);
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 end
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
140 elseif proptype == "array" then
11481
b2f9782497dd util.datamapper: Don't include empty unwrapped arrays
Kim Alvefur <zash@zash.se>
parents: 11479
diff changeset
141 local a = parse_array(propschema, s);
b2f9782497dd util.datamapper: Don't include empty unwrapped arrays
Kim Alvefur <zash@zash.se>
parents: 11479
diff changeset
142 if a and a[1] ~= nil then
b2f9782497dd util.datamapper: Don't include empty unwrapped arrays
Kim Alvefur <zash@zash.se>
parents: 11479
diff changeset
143 out[prop] = a;
b2f9782497dd util.datamapper: Don't include empty unwrapped arrays
Kim Alvefur <zash@zash.se>
parents: 11479
diff changeset
144 end
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
145 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
146 error("unreachable")
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 end
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
148 elseif value_where == "in_wrapper" and type(propschema) == "table" and proptype == "array" then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
149 local wrapper = s:get_child(name, namespace);
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
150 if wrapper then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
151 out[prop] = parse_array(propschema, wrapper);
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
152 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
153 else
11465
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
154 local value = extract_value(s, value_where, proptype, name, namespace, prefix, single_attribute, enums)
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
155
11455
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type
Kim Alvefur <zash@zash.se>
parents: 11454
diff changeset
156 out[prop] = totype(proptype, value)
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type
Kim Alvefur <zash@zash.se>
parents: 11454
diff changeset
157 end
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 return out
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
164 function parse_array(schema, s)
11471
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
165 local itemschema = schema.items;
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
166 local proptype, value_where, child_name, namespace, prefix, single_attribute, enums = unpack_propschema(itemschema, nil, s.attr.xmlns)
11466
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
167 local attr_name
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
168 if value_where == "in_single_attribute" then
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
169 value_where = "in_attribute";
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
170 attr_name = single_attribute;
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
171 end
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
172 local out = {}
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
173
11471
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
174 if proptype == "object" then
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
175 if type(itemschema) == "table" then
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
176 for c in s:childtags(child_name, namespace) do
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
177 table.insert(out, parse_object(itemschema, c));
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
178 end
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
179 else
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
180 error("array items must be schema object")
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
181 end
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
182 elseif proptype == "array" then
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
183 if type(itemschema) == "table" then
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
184 for c in s:childtags(child_name, namespace) do
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
185 table.insert(out, parse_array(itemschema, c));
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
186 end
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
187 end
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
188 else
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
189 for c in s:childtags(child_name, namespace) do
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
190 local value = extract_value(c, value_where, proptype, attr_name or child_name, namespace, prefix, single_attribute, enums)
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
191
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
192 table.insert(out, totype(proptype, value));
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays
Kim Alvefur <zash@zash.se>
parents: 11470
diff changeset
193 end
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
194 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
195 return out
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
196 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
197
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198 local function parse(schema, s)
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 if schema.type == "object" then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 return parse_object(schema, s)
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
201 elseif schema.type == "array" then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
202 return parse_array(schema, s)
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
203 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
204 error("top-level scalars unsupported")
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
206 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
207
11475
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
208 local function toxmlstring(proptype, v)
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
209 if proptype == "string" and type(v) == "string" then
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
210 return v
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
211 elseif proptype == "number" and type(v) == "number" then
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
212 return string.format("%g", v)
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
213 elseif proptype == "integer" and type(v) == "number" then
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
214 return string.format("%d", v)
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
215 elseif proptype == "boolean" then
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
216 return v and "1" or "0"
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
217 end
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
218 end
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
219
11467
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
220 local unparse
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
221
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
222 local function unparse_property(out, v, proptype, propschema, value_where, name, namespace, current_ns, prefix, single_attribute)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
223 if value_where == "in_attribute" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
224 local attr = name
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
225 if prefix then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
226 attr = prefix .. ":" .. name
11476
83e127eb91f9 util.datamapper: Deal with locally built stanzas missing xmlns
Kim Alvefur <zash@zash.se>
parents: 11475
diff changeset
227 elseif namespace and namespace ~= current_ns then
11467
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
228 attr = namespace .. "\1" .. name
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
229 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
230
11475
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
231 out.attr[attr] = toxmlstring(proptype, v)
11467
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
232 elseif value_where == "in_text" then
11475
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
233 out:text(toxmlstring(proptype, v))
11467
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
234 elseif value_where == "in_single_attribute" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
235 assert(single_attribute)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
236 local propattr = {}
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
237
11476
83e127eb91f9 util.datamapper: Deal with locally built stanzas missing xmlns
Kim Alvefur <zash@zash.se>
parents: 11475
diff changeset
238 if namespace and namespace ~= current_ns then
11467
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
239 propattr.xmlns = namespace
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
240 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
241
11475
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string
Kim Alvefur <zash@zash.se>
parents: 11471
diff changeset
242 propattr[single_attribute] = toxmlstring(proptype, v)
11467
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
243 out:tag(name, propattr):up();
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
244
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
245 else
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
246 local propattr
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
247 if namespace ~= current_ns then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
248 propattr = {xmlns = namespace}
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
249 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
250 if value_where == "in_tag_name" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
251 if proptype == "string" and type(v) == "string" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
252 out:tag(v, propattr):up();
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
253 elseif proptype == "boolean" and v == true then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
254 out:tag(name, propattr):up();
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
255 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
256 elseif proptype == "object" and type(propschema) == "table" and type(v) == "table" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
257 local c = unparse(propschema, v, name, namespace);
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
258 if c then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
259 out:add_direct_child(c);
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
260 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
261 elseif proptype == "array" and type(propschema) == "table" and type(v) == "table" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
262 if value_where == "in_wrapper" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
263 local c = unparse(propschema, v, name, namespace);
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
264 if c then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
265 out:add_direct_child(c);
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
266 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
267 else
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
268 unparse(propschema, v, name, namespace, out);
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
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269 end
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270 else
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271 out:text_tag(name, toxmlstring(proptype, v), propattr)
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272 end
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273 end
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274 end
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275
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276 function unparse(schema, t, current_name, current_ns, ctx)
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277
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278 if schema.xml then
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279 if schema.xml.name then
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280 current_name = schema.xml.name
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281 end
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282 if schema.xml.namespace then
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283 current_ns = schema.xml.namespace
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284 end
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285
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286 end
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287
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288 local out = ctx or st.stanza(current_name, {xmlns = current_ns})
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289
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290 if schema.type == "object" then
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291
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292 for prop, propschema in pairs(schema.properties) do
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293 local v = t[prop]
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294
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295 if v ~= nil then
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296 local proptype, value_where, name, namespace, prefix, single_attribute = unpack_propschema(propschema, prop, current_ns)
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297 unparse_property(out, v, proptype, propschema, value_where, name, namespace, current_ns, prefix, single_attribute)
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298 end
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299 end
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300 return out
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301
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302 elseif schema.type == "array" then
11468
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303 local proptype, value_where, name, namespace, prefix, single_attribute = unpack_propschema(schema.items, current_name, current_ns)
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304 for _, item in ipairs(t) do
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305 unparse_property(out, item, proptype, schema.items, value_where, name, namespace, current_ns, prefix, single_attribute)
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306 end
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307 return out
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308 end
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309 end
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310
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311 return {parse = parse; unparse = unparse}