prosody
766b0eddd12c
util/datamapper.lua

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util/datamapper.lua @ 11461:766b0eddd12c

util.datamapper: Deal with type name changes in util.jsonschema
author Kim Alvefur <zash@zash.se>
date Fri, 19 Mar 2021 00:26:04 +0100
parent 11458:0e00fa518688
child 11462:d1982b7eb00d
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 function toboolean(s)
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4 if s == "true" or s == "1" then
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5 return true
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6 elseif s == "false" or s == "0" then
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7 return false
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8 elseif s then
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9 return true
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10 end
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11 end
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12
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13 local function totype(t, s)
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14 if t == "string" then
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15 return s
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16 elseif t == "boolean" then
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17 return toboolean(s)
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18 elseif t == "number" or t == "integer" then
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19 return tonumber(s)
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20 end
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21 end
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22
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23 local value_goes = {}
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24
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25 local function unpack_propschema(propschema, propname, current_ns)
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26
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27 local proptype = "string"
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28 local value_where = "in_text_tag"
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29 local name = propname
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30 local namespace = current_ns
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31 local prefix
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32 local single_attribute
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33 local enums
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34
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35 if type(propschema) == "table" then
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36 proptype = propschema.type
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37 elseif type(propschema) == "string" then
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38 proptype = propschema
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39 end
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40
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41 if proptype == "object" or proptype == "array" then
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42 value_where = "in_children"
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43 end
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44
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45 if type(propschema) == "table" then
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46 local xml = propschema.xml
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47 if xml then
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48 if xml.name then
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49 name = xml.name
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50 end
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51 if xml.namespace then
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52 namespace = xml.namespace
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53 end
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54 if xml.prefix then
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55 prefix = xml.prefix
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56 end
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57 if proptype == "array" and xml.wrapped then
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58 value_where = "in_wrapper"
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59 elseif xml.attribute then
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60 value_where = "in_attribute"
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61 elseif xml.text then
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62 value_where = "in_text"
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63 elseif xml.x_name_is_value then
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64 value_where = "in_tag_name"
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65 elseif xml.x_single_attribute then
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66 single_attribute = xml.x_single_attribute
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67 value_where = "in_single_attribute"
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68 end
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69 end
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70 if propschema["const"] then
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71 enums = {propschema["const"]}
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72 elseif propschema["enum"] then
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73 enums = propschema["enum"]
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74 end
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75 end
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76
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77 return proptype, value_where, name, namespace, prefix, single_attribute, enums
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78 end
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79
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80 local parse_object
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81 local parse_array
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82
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83 function parse_object(schema, s)
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84 local out = {}
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85 if type(schema) == "table" and schema.properties then
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86 for prop, propschema in pairs(schema.properties) do
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87
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88 local proptype, value_where, name, namespace, prefix, single_attribute, enums = unpack_propschema(propschema, prop, s.attr.xmlns)
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89
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90 local value
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91 if value_where == "in_tag_name" then
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92 local c
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93 if proptype == "boolean" then
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94 c = s:get_child(name, namespace);
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95 elseif enums and proptype == "string" then
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96
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97 for i = 1, #enums do
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98 c = s:get_child(enums[i], namespace);
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99 if c then
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100 break
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101 end
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102 end
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103 else
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104 c = s:get_child(nil, namespace);
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105 end
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106 value = c.name;
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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 ~= s.attr.xmlns then
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112 attr = namespace .. "\1" .. name
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113 end
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114 value = s.attr[attr]
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115
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116 elseif value_where == "in_text" then
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117 value = 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 value = c and c.attr[single_attribute]
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122 elseif value_where == "in_text_tag" then
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123 value = s:get_child_text(name, namespace)
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124 elseif value_where == "in_children" and type(propschema) == "table" then
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125 if proptype == "object" then
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126 local c = s:get_child(name, namespace)
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127 if c then
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128 out[prop] = parse_object(propschema, c);
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129 end
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130 elseif proptype == "array" then
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131 out[prop] = parse_array(propschema, s);
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132 else
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133 error("unreachable")
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134 end
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135 elseif value_where == "in_wrapper" and type(propschema) == "table" and proptype == "array" then
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diff changeset
136 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
137 if wrapper then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
138 out[prop] = parse_array(propschema, wrapper);
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
139 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
140 error("unreachable")
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
141 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
142 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
143 error("unreachable")
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 end
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
145 if value_where ~= "in_children" and value_where ~= "in_wrapper" then
11455
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type
Kim Alvefur <zash@zash.se>
parents: 11454
diff changeset
146 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
147 end
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 return out
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
154 function parse_array(schema, s)
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
155 local proptype, value_where, child_name, namespace = unpack_propschema(schema.items, nil, s.attr.xmlns)
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
156 local out = {}
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
157 for c in s:childtags(child_name, namespace) do
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
158 local value;
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
159 if value_where == "in_text_tag" then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
160 value = c:get_text();
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
161 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
162 error("NYI")
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
163 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
164
11458
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
165 value = totype(proptype, value)
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
166
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
167 if value ~= nil then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
168 table.insert(out, value);
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
169 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
170 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
171 return out
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
172 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
173
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 local function parse(schema, s)
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 if schema.type == "object" then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 return parse_object(schema, s)
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
177 elseif schema.type == "array" then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
178 return parse_array(schema, s)
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
179 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
180 error("top-level scalars unsupported")
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
184 local function unparse(schema, t, current_name, current_ns)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
185
11458
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
186 if schema.xml then
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
187 if schema.xml.name then
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
188 current_name = schema.xml.name
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
189 end
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
190 if schema.xml.namespace then
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
191 current_ns = schema.xml.namespace
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
192 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
193
11458
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
194 end
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
195
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
196 local out = st.stanza(current_name, {xmlns = current_ns})
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
197
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
198 if schema.type == "object" then
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
199
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
200 for prop, propschema in pairs(schema.properties) do
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
201 local v = t[prop]
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
202
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
203 if v ~= nil then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
204
11456
4e376a43fe40 util.datamapper: Factor out common schema unpacking
Kim Alvefur <zash@zash.se>
parents: 11455
diff changeset
205 local proptype, value_where, name, namespace, prefix, single_attribute = unpack_propschema(propschema, prop, current_ns)
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
206
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
207 if value_where == "in_attribute" then
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
208 local attr = name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
209 if prefix then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
210 attr = prefix .. ":" .. name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
211 elseif namespace ~= current_ns then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
212 attr = namespace .. "\1" .. name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
213 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
214
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
215 if proptype == "string" and type(v) == "string" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
216 out.attr[attr] = v
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
217 elseif proptype == "number" and type(v) == "number" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
218 out.attr[attr] = string.format("%g", v)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
219 elseif proptype == "integer" and type(v) == "number" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
220 out.attr[attr] = string.format("%d", v)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
221 elseif proptype == "boolean" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
222 out.attr[attr] = v and "1" or "0"
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
223 end
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
224 elseif value_where == "in_text" then
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
225 if type(v) == "string" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
226 out:text(v)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
227 end
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
228 elseif value_where == "in_single_attribute" then
11439
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
229 local propattr = {}
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
230
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
231 if namespace ~= current_ns then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
232 propattr.xmlns = namespace
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
233 end
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
234
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
235 if proptype == "string" and type(v) == "string" then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
236 propattr[single_attribute] = v
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
237 elseif proptype == "number" and type(v) == "number" then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
238 propattr[single_attribute] = string.format("%g", v)
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
239 elseif proptype == "integer" and type(v) == "number" then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
240 propattr[single_attribute] = string.format("%d", v)
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
241 elseif proptype == "boolean" and type(v) == "boolean" then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
242 propattr[single_attribute] = v and "1" or "0"
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
243 end
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
244 out:tag(name, propattr):up();
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
245
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
246 else
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
247 local propattr
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
248 if namespace ~= current_ns then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
249 propattr = {xmlns = namespace}
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
250 end
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
251 if value_where == "in_tag_name" then
11438
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
Kim Alvefur <zash@zash.se>
parents: 11437
diff changeset
252 if proptype == "string" and type(v) == "string" then
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
Kim Alvefur <zash@zash.se>
parents: 11437
diff changeset
253 out:tag(v, propattr):up();
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
Kim Alvefur <zash@zash.se>
parents: 11437
diff changeset
254 elseif proptype == "boolean" and v == true then
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
Kim Alvefur <zash@zash.se>
parents: 11437
diff changeset
255 out:tag(name, propattr):up();
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
Kim Alvefur <zash@zash.se>
parents: 11437
diff changeset
256 end
11437
87a684df4b65 util.datamapper: Invent extension for using tag name as value
Kim Alvefur <zash@zash.se>
parents: 11436
diff changeset
257 elseif proptype == "string" and type(v) == "string" then
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
258 out:text_tag(name, v, propattr)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
259 elseif proptype == "number" and type(v) == "number" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
260 out:text_tag(name, string.format("%g", v), propattr)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
261 elseif proptype == "integer" and type(v) == "number" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
262 out:text_tag(name, string.format("%d", v), propattr)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
263 elseif proptype == "boolean" and type(v) == "boolean" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
264 out:text_tag(name, v and "1" or "0", propattr)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
265 elseif proptype == "object" and type(propschema) == "table" and type(v) == "table" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
266 local c = unparse(propschema, v, name, namespace);
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267 if c then
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268 out:add_direct_child(c);
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269 end
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270 elseif proptype == "array" and type(propschema) == "table" and type(v) == "table" then
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271 local c = unparse(propschema, v, name, namespace);
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272 if c then
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273 if value_where == "in_wrapper" then
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274 local w = st.stanza(propschema.xml.name or name, {xmlns = propschema.xml.namespace or namespace})
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275 w:add_direct_child(c);
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276 out:add_direct_child(w);
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277 else
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278 out:add_direct_child(c);
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279 end
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280 end
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281 else
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282 error("NYI")
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283 end
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284 end
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285 end
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286 end
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287 return out
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288
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289 elseif schema.type == "array" then
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290 local proptype, value_where, name, namespace = unpack_propschema(schema.items, current_name, current_ns)
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291
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292 if proptype == "string" then
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293 for _, item in ipairs(t) do
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294 if value_where == "in_text_tag" then
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295 out:text_tag(name, item, {xmlns = namespace});
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296 else
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297 error("NYI")
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298 end
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299 end
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300 else
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301 error("NYI")
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302 end
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303 return out
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304 end
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305 end
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306
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307 return {parse = parse; unparse = unparse}