prosody
348b191cd850
util/datamapper.lua

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util/datamapper.lua @ 11468:348b191cd850

util.datamapper: Complete array building support
author Kim Alvefur <zash@zash.se>
date Sat, 20 Mar 2021 21:29:51 +0100
parent 11467:88792dd2bee9
child 11470:5ebad952ebf7
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 t == "string" then
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17 return s
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18 elseif t == "boolean" then
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19 return toboolean(s)
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20 elseif t == "number" or t == "integer" then
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21 return tonumber(s)
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22 end
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23 end
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24
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25 local value_goes = {}
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26
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27 local function unpack_propschema(propschema, propname, current_ns)
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28
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29 local proptype = "string"
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30 local value_where = propname and "in_text_tag" or "in_text"
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31 local name = propname
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32 local namespace = current_ns
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33 local prefix
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34 local single_attribute
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35 local enums
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36
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37 if type(propschema) == "table" then
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38 proptype = propschema.type
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39 elseif type(propschema) == "string" then
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40 proptype = propschema
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41 end
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42
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43 if proptype == "object" or proptype == "array" then
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44 value_where = "in_children"
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45 end
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46
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47 if type(propschema) == "table" then
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48 local xml = propschema.xml
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49 if xml then
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50 if xml.name then
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51 name = xml.name
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52 end
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53 if xml.namespace then
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54 namespace = xml.namespace
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55 end
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56 if xml.prefix then
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57 prefix = xml.prefix
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58 end
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59 if proptype == "array" and xml.wrapped then
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60 value_where = "in_wrapper"
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61 elseif xml.attribute then
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62 value_where = "in_attribute"
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63 elseif xml.text then
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64 value_where = "in_text"
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65 elseif xml.x_name_is_value then
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66 value_where = "in_tag_name"
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67 elseif xml.x_single_attribute then
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68 single_attribute = xml.x_single_attribute
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69 value_where = "in_single_attribute"
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70 end
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71 end
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72 if propschema["const"] then
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73 enums = {propschema["const"]}
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74 elseif propschema["enum"] then
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75 enums = propschema["enum"]
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76 end
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77 end
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78
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79 return proptype, value_where, name, namespace, prefix, single_attribute, enums
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80 end
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81
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82 local parse_object
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83 local parse_array
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84
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85 local function extract_value(s, value_where, proptype, name, namespace, prefix, single_attribute, enums)
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86 if value_where == "in_tag_name" then
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87 local c
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88 if proptype == "boolean" then
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89 c = s:get_child(name, namespace);
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90 elseif enums and proptype == "string" then
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91
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92 for i = 1, #enums do
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93 c = s:get_child(enums[i], namespace);
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94 if c then
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95 break
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96 end
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97 end
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98 else
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99 c = s:get_child(nil, namespace);
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100 end
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101 if c then
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102 return c.name
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103 end
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104 elseif value_where == "in_attribute" then
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105 local attr = name
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106 if prefix then
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107 attr = prefix .. ":" .. name
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108 elseif namespace ~= s.attr.xmlns then
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109 attr = namespace .. "\1" .. name
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110 end
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111 return s.attr[attr]
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112
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113 elseif value_where == "in_text" then
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114 return s:get_text()
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115
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116 elseif value_where == "in_single_attribute" then
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117 local c = s:get_child(name, namespace)
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118 return c and c.attr[single_attribute]
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119 elseif value_where == "in_text_tag" then
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120 return s:get_child_text(name, namespace)
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121 end
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122 end
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123
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124 function parse_object(schema, s)
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125 local out = {}
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126 if type(schema) == "table" and schema.properties then
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127 for prop, propschema in pairs(schema.properties) do
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128
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129 local proptype, value_where, name, namespace, prefix, single_attribute, enums = unpack_propschema(propschema, prop, s.attr.xmlns)
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130
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131 if value_where == "in_children" and type(propschema) == "table" then
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132 if proptype == "object" then
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133 local c = s:get_child(name, namespace)
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134 if c then
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135 out[prop] = parse_object(propschema, c);
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 end
11457
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Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
137 elseif proptype == "array" 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, s);
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")
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 end
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
142 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
143 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
144 if wrapper then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
145 out[prop] = parse_array(propschema, wrapper);
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
146 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
147 error("unreachable")
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
148 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
149 else
11465
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
150 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
151
11455
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type
Kim Alvefur <zash@zash.se>
parents: 11454
diff changeset
152 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
153 end
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 return out
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
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
160 function parse_array(schema, s)
11466
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
161 local proptype, value_where, child_name, namespace, prefix, single_attribute, enums = unpack_propschema(schema.items, nil, s.attr.xmlns)
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
162 local attr_name
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
163 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
164 value_where = "in_attribute";
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
165 attr_name = single_attribute;
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
166 end
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
167 local out = {}
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
168 for c in s:childtags(child_name, namespace) do
11466
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
169 local value = extract_value(c, value_where, proptype, attr_name or child_name, namespace, prefix, single_attribute, enums)
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
170
11466
c098d07e6717 util.datamapper: Finally implement support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11465
diff changeset
171 table.insert(out, totype(proptype, value));
11457
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 return out
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
174 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
175
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 local function parse(schema, s)
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 if schema.type == "object" then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178 return parse_object(schema, s)
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
179 elseif schema.type == "array" then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
180 return parse_array(schema, s)
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
181 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
182 error("top-level scalars unsupported")
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185
11467
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
186 local unparse
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
187
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
188 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
189 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
190 local attr = name
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
191 if prefix then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
192 attr = prefix .. ":" .. name
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
193 elseif 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
194 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
195 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
196
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
197 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
198 out.attr[attr] = v
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
199 elseif proptype == "number" and type(v) == "number" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
200 out.attr[attr] = string.format("%g", v)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
201 elseif proptype == "integer" and type(v) == "number" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
202 out.attr[attr] = string.format("%d", v)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
203 elseif proptype == "boolean" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
204 out.attr[attr] = v and "1" or "0"
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
205 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
206 elseif value_where == "in_text" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
207 if 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
208 out:text(v)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
209 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
210 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
211 assert(single_attribute)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
212 local propattr = {}
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
213
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
214 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
215 propattr.xmlns = namespace
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
216 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
217
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
218 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
219 propattr[single_attribute] = v
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
220 elseif proptype == "number" and type(v) == "number" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
221 propattr[single_attribute] = string.format("%g", v)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
222 elseif proptype == "integer" and type(v) == "number" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
223 propattr[single_attribute] = string.format("%d", v)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
224 elseif proptype == "boolean" and type(v) == "boolean" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
225 propattr[single_attribute] = v and "1" or "0"
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
226 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
227 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
228
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
229 else
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
230 local propattr
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
231 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
232 propattr = {xmlns = namespace}
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
233 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
234 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
235 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
236 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
237 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
238 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
239 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
240 elseif 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
241 out:text_tag(name, v, propattr)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
242 elseif proptype == "number" and type(v) == "number" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
243 out:text_tag(name, string.format("%g", v), propattr)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
244 elseif proptype == "integer" and type(v) == "number" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
245 out:text_tag(name, string.format("%d", v), propattr)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
246 elseif proptype == "boolean" and type(v) == "boolean" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
247 out:text_tag(name, v and "1" or "0", propattr)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
248 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
249 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
250 if c then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
251 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
252 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
253 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
254 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
255 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
256 if c then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
257 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
258 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
259 else
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
260 unparse(propschema, v, name, namespace, out);
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
261 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
262 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
263 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
264 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
265
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse
Kim Alvefur <zash@zash.se>
parents: 11466
diff changeset
266 function unparse(schema, t, current_name, current_ns, ctx)
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
267
11458
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
268 if schema.xml then
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269 if schema.xml.name then
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270 current_name = schema.xml.name
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271 end
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272 if schema.xml.namespace then
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273 current_ns = schema.xml.namespace
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274 end
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275
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276 end
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277
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278 local out = ctx or st.stanza(current_name, {xmlns = current_ns})
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279
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280 if schema.type == "object" then
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281
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282 for prop, propschema in pairs(schema.properties) do
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283 local v = t[prop]
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284
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285 if v ~= nil then
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4e376a43fe40 util.datamapper: Factor out common schema unpacking
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286 local proptype, value_where, name, namespace, prefix, single_attribute = unpack_propschema(propschema, prop, current_ns)
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287 unparse_property(out, v, proptype, propschema, value_where, name, namespace, current_ns, prefix, single_attribute)
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288 end
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289 end
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290 return out
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291
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292 elseif schema.type == "array" then
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293 local proptype, value_where, name, namespace, prefix, single_attribute = unpack_propschema(schema.items, current_name, current_ns)
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294 for _, item in ipairs(t) do
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295 unparse_property(out, item, proptype, schema.items, value_where, name, namespace, current_ns, prefix, single_attribute)
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296 end
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297 return out
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298 end
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299 end
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300
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301 return {parse = parse; unparse = unparse}