prosody
c5f2b63cf6ff
util/datamapper.lua

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util/datamapper.lua @ 11773:c5f2b63cf6ff

mod_s2s: Handle connections having TLS from the start This could be done with multiplexing, or a future additional port definition.
author Kim Alvefur <zash@zash.se>
date Tue, 10 Aug 2021 20:54:38 +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}