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f0037234b2e9
teal-src/util/datamapper.tl

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teal-src/util/datamapper.tl @ 11453:f0037234b2e9

util.datamapper: Enumerated elements E.g. error conditions or chat states.
author Kim Alvefur <zash@zash.se>
date Fri, 12 Mar 2021 01:33:15 +0100
parent 11452:c799bac7ca59
child 11454:1d9c1893cc5e
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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 --
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21
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22 local st = require "util.stanza";
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23 local js = require "util.jsonschema"
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24
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25 local function toboolean ( s : string ) : boolean
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26 if s == "true" or s == "1" then
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27 return true
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28 elseif s == "false" or s == "0" then
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29 return false
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30 end
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31 end
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32
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33 local function parse_object (schema : js.schema_t, s : st.stanza_t) : table
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34 local out : { string : any } = {}
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35 if schema.properties then
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36 for prop, propschema in pairs(schema.properties) do
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37 -- TODO factor out, if it's generic enough
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38 local name = prop
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39 local namespace = s.attr.xmlns;
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40 local prefix : string = nil
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41 local is_attribute = false
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42 local is_text = false
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43 local name_is_value = false;
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44 local single_attribute : string
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45 local enums : { any }
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46
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47 local proptype : js.schema_t.type_e
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48 if propschema is js.schema_t then
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49 proptype = propschema.type
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50 elseif propschema is js.schema_t.type_e then
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51 proptype = propschema
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52 end
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53
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54 if propschema is js.schema_t and propschema.xml then
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55 if propschema.xml.name then
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56 name = propschema.xml.name
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57 end
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58 if propschema.xml.namespace then
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59 namespace = propschema.xml.namespace
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60 end
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61 if propschema.xml.prefix then
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62 prefix = propschema.xml.prefix
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63 end
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64 if propschema.xml.attribute then
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65 is_attribute = true
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66 elseif propschema.xml.text then
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67 -- XXX Not yet in OpenAPI
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68 is_text = true
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69 elseif propschema.xml.x_name_is_value then
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70 -- XXX Custom extension
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71 name_is_value = true
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72 elseif propschema.xml.x_single_attribute then
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73 -- XXX Custom extension
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74 single_attribute = propschema.xml.x_single_attribute
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75 end
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76 if propschema["const"] then
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77 enums = { propschema["const"] }
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78 elseif propschema["enum"] then
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79 enums = propschema["enum"]
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80 end
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81 end
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82
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83 if name_is_value then
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84 local c : st.stanza_t
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85 if proptype == "boolean" then
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86 c = s:get_child(name, namespace);
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87 elseif enums and proptype == "string" then
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88 -- XXX O(n²) ?
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89 -- Probably better to flip the table and loop over :childtags(nil, ns), should be 2xO(n)
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90 -- BUT works first, optimize later
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91 for i = 1, #enums do
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92 c = s:get_child(enums[i] as string, namespace);
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93 if c then break end
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94 end
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95 else
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96 c = s:get_child(nil, namespace);
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97 end
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98 if c and proptype == "string" then
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99 out[prop] = c.name;
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100 elseif proptype == "boolean" and c then
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101 out[prop] = true;
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102 end
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103 elseif is_attribute then
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104 local attr = name
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105 if prefix then
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106 attr = prefix .. ':' .. name
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107 elseif namespace ~= s.attr.xmlns then
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108 attr = namespace .. "\1" .. name
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109 end
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110 if proptype == "string" then
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111 out[prop] = s.attr[attr]
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112 elseif proptype == "integer" or proptype == "number" then
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113 -- TODO floor if integer ?
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114 out[prop] = tonumber(s.attr[attr])
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115 elseif proptype == "boolean" then
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116 out[prop] = toboolean(s.attr[attr])
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117 -- else TODO
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118 end
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119
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120 elseif is_text then
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121 if proptype == "string" then
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122 out[prop] = s:get_text()
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123 elseif proptype == "integer" or proptype == "number" then
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124 out[prop] = tonumber(s:get_text())
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125 end
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126
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127 elseif single_attribute then
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128 local c = s:get_child(name, namespace)
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129 local a = c and c.attr[single_attribute]
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130 if proptype == "string" then
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131 out[prop] = a
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132 elseif proptype == "integer" or proptype == "number" then
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133 out[prop] = tonumber(a)
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134 elseif proptype == "boolean" then
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135 out[prop] = toboolean(a)
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Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
136 end
11435
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 else
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 if proptype == "string" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 out[prop] = s:get_child_text(name, namespace)
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parents:
diff changeset
141 elseif proptype == "integer" or proptype == "number" then
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parents:
diff changeset
142 out[prop] = tonumber(s:get_child_text(name, namespace))
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 elseif proptype == "object" and propschema is js.schema_t then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 local c = s:get_child(name, namespace)
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 if c then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 out[prop] = parse_object(propschema, c);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 -- else TODO
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
153
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 return out
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 local function parse (schema : js.schema_t, s : st.stanza_t) : table
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parents:
diff changeset
158 if schema.type == "object" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 return parse_object(schema, s)
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162
11436
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163 local function unparse ( schema : js.schema_t, t : table, current_name : string, current_ns : string ) : st.stanza_t
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
164 if schema.type == "object" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
165
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Kim Alvefur <zash@zash.se>
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diff changeset
166 if schema.xml then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
167 if schema.xml.name then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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parents: 11435
diff changeset
168 current_name = schema.xml.name
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Kim Alvefur <zash@zash.se>
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diff changeset
169 end
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
170 if schema.xml.namespace then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
171 current_ns = schema.xml.namespace
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
172 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
173 -- TODO prefix?
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
174 end
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
175
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
176 local out = st.stanza(current_name, { xmlns = current_ns })
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parents: 11435
diff changeset
177
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
178 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
179 local v = t[prop]
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
180
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
181 if v ~= nil then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
182 local proptype : js.schema_t.type_e
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
183 if propschema is js.schema_t then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
184 proptype = propschema.type
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parents: 11435
diff changeset
185 elseif propschema is js.schema_t.type_e then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
186 proptype = propschema
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
187 end
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
188
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
189 local name = prop
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
190 local namespace = current_ns
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
191 local prefix : string = nil
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
192 local is_attribute = false
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
193 local is_text = false
11437
87a684df4b65 util.datamapper: Invent extension for using tag name as value
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diff changeset
194 local name_is_value = false;
11439
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
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diff changeset
195 local single_attribute : string
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
196
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
197 if propschema is js.schema_t and propschema.xml then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
198
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
199 if propschema.xml.name then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
200 name = propschema.xml.name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
201 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
202 if propschema.xml.namespace then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
203 namespace = propschema.xml.namespace
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
204 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
205
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
206 if propschema.xml.prefix then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
207 prefix = propschema.xml.prefix
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
208 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
209
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
210 if propschema.xml.attribute then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
211 is_attribute = true
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
212 elseif propschema.xml.text then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
213 is_text = true
11437
87a684df4b65 util.datamapper: Invent extension for using tag name as value
Kim Alvefur <zash@zash.se>
parents: 11436
diff changeset
214 elseif propschema.xml.x_name_is_value then
87a684df4b65 util.datamapper: Invent extension for using tag name as value
Kim Alvefur <zash@zash.se>
parents: 11436
diff changeset
215 name_is_value = true
11439
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
216 elseif propschema.xml.x_single_attribute then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
217 single_attribute = propschema.xml.x_single_attribute
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
218 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
219 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
220
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
221 if is_attribute then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
222 local attr = name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
223 if prefix then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
224 attr = prefix .. ':' .. name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
225 elseif namespace ~= current_ns then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
226 attr = namespace .. "\1" .. name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
227 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
228
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
229 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
230 out.attr[attr] = v
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
231 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
232 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
233 elseif proptype == "integer" and v is number then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
234 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
235 elseif proptype == "boolean" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
236 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
237 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
238 elseif is_text then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
239 if v is string then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
240 out:text(v)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
241 end
11439
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
242 elseif single_attribute then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
243 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
244
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
245 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
246 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
247 end
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
248
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
249 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
250 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
251 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
252 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
253 elseif proptype == "integer" 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
254 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
255 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
256 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
257 end
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
258 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
259
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
260 else
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
261 local propattr : { string : string }
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
262 if namespace ~= current_ns then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
263 propattr = { xmlns = namespace }
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
264 end
11438
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
Kim Alvefur <zash@zash.se>
parents: 11437
diff changeset
265 if name_is_value then
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
Kim Alvefur <zash@zash.se>
parents: 11437
diff changeset
266 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
267 out:tag(v, propattr):up();
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
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parents: 11437
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268 elseif proptype == "boolean" and v == true then
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269 out:tag(name, propattr):up();
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270 end
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271 elseif proptype == "string" and v is string then
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272 out:text_tag(name, v, propattr)
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273 elseif proptype == "number" and v is number then
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274 out:text_tag(name, string.format("%g", v), propattr)
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275 elseif proptype == "integer" and v is number then
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276 out:text_tag(name, string.format("%d", v), propattr)
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277 elseif proptype == "boolean" and v is boolean then
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278 out:text_tag(name, v and "1" or "0", propattr)
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279 elseif proptype == "object" and propschema is js.schema_t and v is table then
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280 local c = unparse(propschema, v, name, namespace);
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281 if c then
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282 out:add_direct_child(c);
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283 end
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284 -- else TODO
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285 end
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286 end
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287 end
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288 end
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289 return out;
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290
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291 end
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292 end
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293
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a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
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parents:
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294 return {
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295 parse = parse,
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296 unparse = unparse,
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297 }