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19a88b61ab4e
teal-src/util/datamapper.tl

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teal-src/util/datamapper.tl @ 11465:19a88b61ab4e

util.datamapper: Factor out extraction of the XML part to use So extract_value() takes an XML tag and details about which part we're interested in and returns that. Factoring this out will help with array implementation since this will be common behavior.
author Kim Alvefur <zash@zash.se>
date Sat, 20 Mar 2021 19:02:18 +0100
parent 11464:6e25409fecbd
child 11466:c098d07e6717
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 -- Copyright (C) 2021 Kim Alvefur
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2 --
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3 -- This project is MIT/X11 licensed. Please see the
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4 -- COPYING file in the source package for more information.
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5 --
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6 -- Based on
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7 -- https://json-schema.org/draft/2020-12/json-schema-core.html
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8 -- https://json-schema.org/draft/2020-12/json-schema-validation.html
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9 -- http://spec.openapis.org/oas/v3.0.1#xmlObject
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10 -- https://github.com/OAI/OpenAPI-Specification/issues/630 (text:true)
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11 --
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12 -- XML Object Extensions:
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13 -- text to refer to the text content at the same time as attributes
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14 -- x_name_is_value for enum fields where the <tag-name/> is the value
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15 -- x_single_attribute for <tag attr="this"/>
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16 --
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17 -- TODO arrays
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18 -- TODO pointers
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19 -- TODO cleanup / refactor
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20 -- TODO s/number/integer/ once we have appropriate math.type() compat
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21 --
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22
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23 local st = require "util.stanza";
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24 local json = require"util.json"
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25
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26 local json_type_name = json.json_type_name;
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27 local json_schema_object = require "util.jsonschema"
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28 local type schema_t = boolean | json_type_name | json_schema_object
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29
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30 local function toboolean ( s : string ) : boolean
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31 if s == "true" or s == "1" then
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32 return true
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33 elseif s == "false" or s == "0" then
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34 return false
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35 elseif s then
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36 return true
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37 end
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38 end
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39
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40 local function totype(t : json_type_name, s : string) : any
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41 if t == "string" then
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42 return s;
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43 elseif t == "boolean" then
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44 return toboolean(s)
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45 elseif t == "number" or t == "integer" then
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46 return tonumber(s)
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47 end
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48 end
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49
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50 local enum value_goes
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51 "in_tag_name"
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52 "in_text"
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53 "in_text_tag"
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54 "in_attribute"
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55 "in_single_attribute"
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56 "in_children"
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57 "in_wrapper"
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58 end
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59
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60 local function unpack_propschema( propschema : schema_t, propname : string, current_ns : string )
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61 : json_type_name, value_goes, string, string, string, string, { any }
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62 local proptype : json_type_name = "string"
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63 local value_where : value_goes = "in_text_tag"
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64 local name = propname
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65 local namespace = current_ns
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66 local prefix : string
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67 local single_attribute : string
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68 local enums : { any }
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69
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70 if propschema is json_schema_object then
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71 proptype = propschema.type
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72 elseif propschema is json_type_name then
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73 proptype = propschema
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74 end
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75
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76 if proptype == "object" or proptype == "array" then
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77 value_where = "in_children"
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78 end
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79
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80 if propschema is json_schema_object then
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81 local xml = propschema.xml
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82 if xml then
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83 if xml.name then
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84 name = xml.name
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85 end
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86 if xml.namespace then
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87 namespace = xml.namespace
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88 end
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89 if xml.prefix then
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90 prefix = xml.prefix
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91 end
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92 if proptype == "array" and xml.wrapped then
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93 value_where = "in_wrapper"
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94 elseif xml.attribute then
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95 value_where = "in_attribute"
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96 elseif xml.text then
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97 value_where = "in_text"
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98 elseif xml.x_name_is_value then
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99 value_where = "in_tag_name"
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100 elseif xml.x_single_attribute then
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101 single_attribute = xml.x_single_attribute
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102 value_where = "in_single_attribute"
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103 end
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104 end
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105 if propschema["const"] then
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106 enums = { propschema["const"] }
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107 elseif propschema["enum"] then
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108 enums = propschema["enum"]
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109 end
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110 end
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111
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112 return proptype, value_where, name, namespace, prefix, single_attribute, enums
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113 end
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114
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115 local parse_object : function (schema : schema_t, s : st.stanza_t) : { string : any }
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116 local parse_array : function (schema : schema_t, s : st.stanza_t) : { any }
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117
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118 local function extract_value (s : st.stanza_t, value_where : value_goes, proptype : json.json_type_name, name : string, namespace : string, prefix : string, single_attribute : string, enums : { any }) : string
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119 if value_where == "in_tag_name" then
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120 local c : st.stanza_t
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121 if proptype == "boolean" then
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122 c = s:get_child(name, namespace);
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123 elseif enums and proptype == "string" then
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124 -- XXX O(n²) ?
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125 -- Probably better to flip the table and loop over :childtags(nil, ns), should be 2xO(n)
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126 -- BUT works first, optimize later
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127 for i = 1, #enums do
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128 c = s:get_child(enums[i] as string, namespace);
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129 if c then break end
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130 end
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Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
131 else
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parents: 11464
diff changeset
132 c = s:get_child(nil, namespace);
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
133 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
134 if c then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
135 return c.name;
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
136 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
137 elseif value_where == "in_attribute" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
138 local attr = name
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
139 if prefix then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
140 attr = prefix .. ':' .. name
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
141 elseif namespace ~= s.attr.xmlns then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
142 attr = namespace .. "\1" .. name
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
143 end
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Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
144 return s.attr[attr]
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Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
145
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
146 elseif value_where == "in_text" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
147 return s:get_text()
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
148
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
149 elseif value_where == "in_single_attribute" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
150 local c = s:get_child(name, namespace)
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
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diff changeset
151 return c and c.attr[single_attribute]
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Kim Alvefur <zash@zash.se>
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diff changeset
152 elseif value_where == "in_text_tag" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
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diff changeset
153 return s:get_child_text(name, namespace)
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
154 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
155 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
156
11461
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
157 function parse_object (schema : schema_t, s : st.stanza_t) : { string : any }
11435
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 local out : { string : any } = {}
11461
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Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
159 if schema is json_schema_object and schema.properties then
11435
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 for prop, propschema in pairs(schema.properties) do
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161
11456
4e376a43fe40 util.datamapper: Factor out common schema unpacking
Kim Alvefur <zash@zash.se>
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diff changeset
162 local proptype, value_where, name, namespace, prefix, single_attribute, enums = unpack_propschema(propschema, prop, s.attr.xmlns)
11435
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
163
11465
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
164 if value_where == "in_children" and propschema is json_schema_object then
11455
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type
Kim Alvefur <zash@zash.se>
parents: 11454
diff changeset
165 if proptype == "object" then
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 local c = s:get_child(name, namespace)
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 if c then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 out[prop] = parse_object(propschema, c);
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169 end
11457
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Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
170 elseif proptype == "array" then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
171 out[prop] = parse_array(propschema, s);
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
172 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
173 error "unreachable"
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 end
11461
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
175 elseif value_where == "in_wrapper" and propschema is json_schema_object and proptype == "array" then
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
176 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
177 if wrapper then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
178 out[prop] = parse_array(propschema, wrapper);
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 "unreachable"
11461
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
181 end
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
182 else
11465
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use
Kim Alvefur <zash@zash.se>
parents: 11464
diff changeset
183 local value : string = 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
184
11455
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type
Kim Alvefur <zash@zash.se>
parents: 11454
diff changeset
185 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
186 end
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 return out
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192
11461
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
193 function parse_array (schema : json_schema_object, s : st.stanza_t) : { any }
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
194 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
195 local out : { any } = {}
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
196 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
197 local value : string;
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
198 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
199 value = c:get_text();
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
200 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
201 error "NYI"
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
202 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
203
11458
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
204 value = totype(proptype, value)
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
205
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
206 if value ~= nil then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
207 table.insert(out, value);
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
208 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
209 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
210 return out;
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
211 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
212
11461
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
213 local function parse (schema : json_schema_object, s : st.stanza_t) : table
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 if schema.type == "object" then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215 return parse_object(schema, s)
11457
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
216 elseif schema.type == "array" then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
217 return parse_array(schema, s)
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
218 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays
Kim Alvefur <zash@zash.se>
parents: 11456
diff changeset
219 error "top-level scalars unsupported"
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222
11462
d1982b7eb00d util.datamapper: Fix arrays nesting one level too deep
Kim Alvefur <zash@zash.se>
parents: 11461
diff changeset
223 local function unparse ( schema : json_schema_object, t : table, current_name : string, current_ns : string, ctx : st.stanza_t ) : st.stanza_t
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
224
11461
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
225 if schema.xml then
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
226 if schema.xml.name then
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
227 current_name = schema.xml.name
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
228 end
11461
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
229 if schema.xml.namespace then
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
230 current_ns = schema.xml.namespace
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
231 end
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
232 -- TODO prefix?
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
233 end
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
234
11462
d1982b7eb00d util.datamapper: Fix arrays nesting one level too deep
Kim Alvefur <zash@zash.se>
parents: 11461
diff changeset
235 local out = ctx or st.stanza(current_name, { xmlns = current_ns })
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
236
11458
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
237 if schema.type == "object" then
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
238
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
239 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
240 local v = t[prop]
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
241
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
242 if v ~= nil then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
243
11456
4e376a43fe40 util.datamapper: Factor out common schema unpacking
Kim Alvefur <zash@zash.se>
parents: 11455
diff changeset
244 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
245
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
246 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
247 local attr = name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
248 if prefix then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
249 attr = prefix .. ':' .. name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
250 elseif namespace ~= current_ns then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
251 attr = namespace .. "\1" .. name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
252 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
253
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
254 if proptype == "string" and v is string then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
255 out.attr[attr] = v
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
256 elseif proptype == "number" and v is number then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
257 out.attr[attr] = string.format("%g", v)
11459
86904555bffc teal: Use new integer support in Teal 0.13.0
Kim Alvefur <zash@zash.se>
parents: 11458
diff changeset
258 elseif proptype == "integer" and v is number then -- TODO is integer
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
259 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
260 elseif proptype == "boolean" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
261 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
262 end
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
263 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
264 if v is string then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
265 out:text(v)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
266 end
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
267 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
268 local propattr : { string : string } = {}
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
269
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
270 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
271 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
272 end
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
273
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
274 if proptype == "string" and v is 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
275 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
276 elseif proptype == "number" and v is 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
277 propattr[single_attribute] = string.format("%g", v)
11459
86904555bffc teal: Use new integer support in Teal 0.13.0
Kim Alvefur <zash@zash.se>
parents: 11458
diff changeset
278 elseif proptype == "integer" and v is number then -- TODO is integer
11439
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
279 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
280 elseif proptype == "boolean" and v is 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
281 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
282 end
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
283 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
284
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
285 else
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
286 local propattr : { string : string }
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
287 if namespace ~= current_ns then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
288 propattr = { xmlns = namespace }
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
289 end
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
290 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
291 if proptype == "string" and v is string then
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
Kim Alvefur <zash@zash.se>
parents: 11437
diff changeset
292 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
293 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
294 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
295 end
11437
87a684df4b65 util.datamapper: Invent extension for using tag name as value
Kim Alvefur <zash@zash.se>
parents: 11436
diff changeset
296 elseif proptype == "string" and v is string then
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
297 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
298 elseif proptype == "number" and v is number then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
299 out:text_tag(name, string.format("%g", v), propattr)
11459
86904555bffc teal: Use new integer support in Teal 0.13.0
Kim Alvefur <zash@zash.se>
parents: 11458
diff changeset
300 elseif proptype == "integer" and v is number then -- TODO is integer
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
301 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
302 elseif proptype == "boolean" and v is boolean then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
303 out:text_tag(name, v and "1" or "0", propattr)
11461
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
304 elseif proptype == "object" and propschema is json_schema_object and v is table then
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
305 local c = unparse(propschema, v, name, namespace);
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
306 if c then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
307 out:add_direct_child(c);
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
308 end
11461
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema
Kim Alvefur <zash@zash.se>
parents: 11459
diff changeset
309 elseif proptype == "array" and propschema is json_schema_object and v is table then
11462
d1982b7eb00d util.datamapper: Fix arrays nesting one level too deep
Kim Alvefur <zash@zash.se>
parents: 11461
diff changeset
310 if value_where == "in_wrapper" then
d1982b7eb00d util.datamapper: Fix arrays nesting one level too deep
Kim Alvefur <zash@zash.se>
parents: 11461
diff changeset
311 local c = unparse(propschema, v, name, namespace);
d1982b7eb00d util.datamapper: Fix arrays nesting one level too deep
Kim Alvefur <zash@zash.se>
parents: 11461
diff changeset
312 if c then
11458
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
313 out:add_direct_child(c);
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
314 end
11462
d1982b7eb00d util.datamapper: Fix arrays nesting one level too deep
Kim Alvefur <zash@zash.se>
parents: 11461
diff changeset
315 else
d1982b7eb00d util.datamapper: Fix arrays nesting one level too deep
Kim Alvefur <zash@zash.se>
parents: 11461
diff changeset
316 unparse(propschema, v, name, namespace, out);
11458
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
317 end
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
318 else
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
319 error "NYI"
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
320 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
321 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
322 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
323 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
324 return out;
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
325
11458
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
326 elseif schema.type == "array" then
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
327 local proptype, value_where, name, namespace = unpack_propschema(schema.items, current_name, current_ns)
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
328 -- TODO , prefix, single_attribute
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
329 if proptype == "string" then
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
330 for _, item in ipairs(t as { string }) do
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
331 if value_where == "in_text_tag" then
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
332 out:text_tag(name, item, { xmlns = namespace });
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
333 else
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
334 error "NYI"
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
335 end
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
336 end
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
337 else
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
338 error "NYI"
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
339 end
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings
Kim Alvefur <zash@zash.se>
parents: 11457
diff changeset
340 return out;
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
341 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
342 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
343
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
344 return {
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
345 parse = parse,
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
346 unparse = unparse,
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
347 }