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teal-src/util/datamapper.tl

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teal-src/util/datamapper.tl @ 11454:1d9c1893cc5e

util.datamapper: Use enum instead of mutually exclusive booleans Cleaner and rules out invalid combinations.
author Kim Alvefur <zash@zash.se>
date Sun, 14 Mar 2021 01:57:00 +0100
parent 11453:f0037234b2e9
child 11455:a5050e21ab08
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 --
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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 enum value_goes
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34 "in_tag_name"
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35 "in_text"
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36 "in_text_tag"
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37 "in_attribute"
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38 "in_single_attribute"
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39 "in_children"
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40 end
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41
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42 local function parse_object (schema : js.schema_t, s : st.stanza_t) : table
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43 local out : { string : any } = {}
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44 if schema.properties then
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45 for prop, propschema in pairs(schema.properties) do
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46 -- TODO factor out, if it's generic enough
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47 local name = prop
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48 local namespace = s.attr.xmlns;
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49 local prefix : string = nil
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50 local value_where : value_goes = "in_text_tag"
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51 local single_attribute : string
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52 local enums : { any }
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54 local proptype : js.schema_t.type_e
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55 if propschema is js.schema_t then
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56 proptype = propschema.type
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57 elseif propschema is js.schema_t.type_e then
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58 proptype = propschema
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59 end
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60
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61 if propschema is js.schema_t and propschema.xml then
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62 if propschema.xml.name then
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63 name = propschema.xml.name
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64 end
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65 if propschema.xml.namespace then
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66 namespace = propschema.xml.namespace
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67 end
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68 if propschema.xml.prefix then
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69 prefix = propschema.xml.prefix
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70 end
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71 if propschema.xml.attribute then
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72 value_where = "in_attribute"
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73 elseif propschema.xml.text then
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74 -- XXX Not yet in OpenAPI
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75 value_where = "in_text"
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76 elseif propschema.xml.x_name_is_value then
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77 -- XXX Custom extension
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78 value_where = "in_tag_name"
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79 elseif propschema.xml.x_single_attribute then
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80 -- XXX Custom extension
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81 single_attribute = propschema.xml.x_single_attribute
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82 value_where = "in_single_attribute"
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83 end
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84 if propschema["const"] then
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85 enums = { propschema["const"] }
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86 elseif propschema["enum"] then
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87 enums = propschema["enum"]
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88 end
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89 end
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90
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91 if value_where == "in_tag_name" then
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92 local c : st.stanza_t
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93 if proptype == "boolean" then
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94 c = s:get_child(name, namespace);
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95 elseif enums and proptype == "string" then
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96 -- XXX O(n²) ?
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97 -- Probably better to flip the table and loop over :childtags(nil, ns), should be 2xO(n)
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98 -- BUT works first, optimize later
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99 for i = 1, #enums do
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100 c = s:get_child(enums[i] as string, namespace);
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101 if c then break end
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102 end
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103 else
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104 c = s:get_child(nil, namespace);
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105 end
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106 if c and proptype == "string" then
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107 out[prop] = c.name;
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108 elseif proptype == "boolean" and c then
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109 out[prop] = true;
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110 end
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111 elseif value_where == "in_attribute" then
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112 local attr = name
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113 if prefix then
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114 attr = prefix .. ':' .. name
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115 elseif namespace ~= s.attr.xmlns then
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116 attr = namespace .. "\1" .. name
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117 end
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118 if proptype == "string" then
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119 out[prop] = s.attr[attr]
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120 elseif proptype == "integer" or proptype == "number" then
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121 -- TODO floor if integer ?
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122 out[prop] = tonumber(s.attr[attr])
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123 elseif proptype == "boolean" then
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124 out[prop] = toboolean(s.attr[attr])
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125 -- else TODO
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126 end
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127
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128 elseif value_where == "in_text" then
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129 if proptype == "string" then
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130 out[prop] = s:get_text()
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131 elseif proptype == "integer" or proptype == "number" then
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132 out[prop] = tonumber(s:get_text())
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133 end
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134
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diff changeset
135 elseif value_where == "in_single_attribute" then
11439
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parents: 11438
diff changeset
136 local c = s:get_child(name, namespace)
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diff changeset
137 local a = c and c.attr[single_attribute]
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Kim Alvefur <zash@zash.se>
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diff changeset
138 if proptype == "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
139 out[prop] = a
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parents: 11438
diff changeset
140 elseif proptype == "integer" or proptype == "number" then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
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141 out[prop] = tonumber(a)
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diff changeset
142 elseif proptype == "boolean" then
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Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
143 out[prop] = toboolean(a)
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Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
144 end
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 else
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 if proptype == "string" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 out[prop] = s:get_child_text(name, namespace)
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 elseif proptype == "integer" or proptype == "number" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 out[prop] = tonumber(s:get_child_text(name, namespace))
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 elseif proptype == "object" and propschema is js.schema_t then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 local c = s:get_child(name, namespace)
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 if c then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
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parents:
diff changeset
154 out[prop] = parse_object(propschema, c);
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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 -- else TODO
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 return out
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165 local function parse (schema : js.schema_t, s : st.stanza_t) : table
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parents:
diff changeset
166 if schema.type == "object" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 return parse_object(schema, s)
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
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168 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
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169 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
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170
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171 local function unparse ( schema : js.schema_t, t : table, current_name : string, current_ns : string ) : st.stanza_t
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diff changeset
172 if schema.type == "object" then
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Kim Alvefur <zash@zash.se>
parents: 11435
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173
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
174 if schema.xml then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
175 if schema.xml.name then
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parents: 11435
diff changeset
176 current_name = schema.xml.name
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Kim Alvefur <zash@zash.se>
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177 end
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Kim Alvefur <zash@zash.se>
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diff changeset
178 if schema.xml.namespace then
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
179 current_ns = schema.xml.namespace
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Kim Alvefur <zash@zash.se>
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180 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
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181 -- TODO prefix?
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
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182 end
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
183
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
184 local out = st.stanza(current_name, { xmlns = current_ns })
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
185
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
186 for prop, propschema in pairs(schema.properties) do
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
187 local v = t[prop]
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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 if v ~= nil then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
190 local proptype : js.schema_t.type_e
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
191 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
192 proptype = propschema.type
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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parents: 11435
diff changeset
193 elseif propschema is js.schema_t.type_e then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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parents: 11435
diff changeset
194 proptype = propschema
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Kim Alvefur <zash@zash.se>
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195 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
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 local name = prop
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
198 local namespace = current_ns
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
199 local prefix : string = nil
11454
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diff changeset
200 local value_where : value_goes = "in_text_tag"
11439
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
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diff changeset
201 local single_attribute : string
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
202
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
203 if 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
204
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
205 if propschema.xml.name then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
206 name = propschema.xml.name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
207 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
208 if propschema.xml.namespace then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
209 namespace = propschema.xml.namespace
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
210 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
211
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
212 if propschema.xml.prefix then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
213 prefix = propschema.xml.prefix
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
214 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
215
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
216 if propschema.xml.attribute then
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
217 value_where = "in_attribute"
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
218 elseif propschema.xml.text then
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
219 value_where = "in_text"
11437
87a684df4b65 util.datamapper: Invent extension for using tag name as value
Kim Alvefur <zash@zash.se>
parents: 11436
diff changeset
220 elseif propschema.xml.x_name_is_value then
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
221 value_where = "in_tag_name"
11439
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
222 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
223 single_attribute = propschema.xml.x_single_attribute
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
224 value_where = "in_single_attribute"
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
225 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
226 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
227
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
228 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
229 local attr = name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
230 if prefix then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
231 attr = prefix .. ':' .. name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
232 elseif namespace ~= current_ns then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
233 attr = namespace .. "\1" .. name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
234 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
235
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
236 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
237 out.attr[attr] = v
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
238 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
239 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
240 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
241 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
242 elseif proptype == "boolean" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
243 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
244 end
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
245 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
246 if v is string then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
247 out:text(v)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
248 end
11454
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans
Kim Alvefur <zash@zash.se>
parents: 11453
diff changeset
249 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
250 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
251
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
252 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
253 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
254 end
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
255
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
256 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
257 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
258 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
259 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
260 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
261 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
262 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
263 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
264 end
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
265 out:tag(name, propattr):up();
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266
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267 else
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268 local propattr : { string : string }
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269 if namespace ~= current_ns then
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270 propattr = { xmlns = namespace }
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271 end
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272 if value_where == "in_tag_name" then
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273 if proptype == "string" and v is string then
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274 out:tag(v, propattr):up();
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275 elseif proptype == "boolean" and v == true then
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276 out:tag(name, propattr):up();
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277 end
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87a684df4b65 util.datamapper: Invent extension for using tag name as value
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278 elseif proptype == "string" and v is string then
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279 out:text_tag(name, v, propattr)
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280 elseif proptype == "number" and v is number then
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281 out:text_tag(name, string.format("%g", v), propattr)
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282 elseif proptype == "integer" and v is number then
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283 out:text_tag(name, string.format("%d", v), propattr)
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284 elseif proptype == "boolean" and v is boolean then
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285 out:text_tag(name, v and "1" or "0", propattr)
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286 elseif proptype == "object" and propschema is js.schema_t and v is table then
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287 local c = unparse(propschema, v, name, namespace);
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288 if c then
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289 out:add_direct_child(c);
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290 end
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291 -- else TODO
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292 end
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293 end
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294 end
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295 end
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296 return out;
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297
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298 end
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299 end
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300
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
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parents:
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301 return {
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302 parse = parse,
11436
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303 unparse = unparse,
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304 }