Annotate

teal-src/util/datamapper.tl @ 11442:95f0d77175ca

util.jsonschema: Implement the "contains" keyword And apparently I had mistaken this for an array
author Kim Alvefur <zash@zash.se>
date Tue, 09 Mar 2021 02:35:00 +0100
parent 11439:9abcdfdcdb01
child 11450:25829015917c
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1 local st = require "util.stanza";
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2 local js = require "util.jsonschema"
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3
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4 local function toboolean ( s : string ) : boolean
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5 if s == "true" or s == "1" then
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6 return true
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7 elseif s == "false" or s == "0" then
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8 return false
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9 end
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10 end
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11
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12 local function parse_object (schema : js.schema_t, s : st.stanza_t) : table
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13 local out : { string : any } = {}
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14 if schema.properties then
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15 for prop, propschema in pairs(schema.properties) do
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16 -- TODO factor out, if it's generic enough
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17 local name = prop
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18 local namespace = s.attr.xmlns;
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19 local prefix : string = nil
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20 local is_attribute = false
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21 local is_text = false
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22 local name_is_value = false;
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23 local single_attribute : string
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24
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25 local proptype : js.schema_t.type_e
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26 if propschema is js.schema_t then
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27 proptype = propschema.type
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28 elseif propschema is js.schema_t.type_e then
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29 proptype = propschema
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30 end
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31
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32 if propschema is js.schema_t and propschema.xml then
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33 if propschema.xml.name then
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34 name = propschema.xml.name
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35 end
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36 if propschema.xml.namespace then
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37 namespace = propschema.xml.namespace
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38 end
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39 if propschema.xml.prefix then
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40 prefix = propschema.xml.prefix
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41 end
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42 if propschema.xml.attribute then
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43 is_attribute = true
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44 elseif propschema.xml.text then
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45 is_text = true
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46 elseif propschema.xml.x_name_is_value then
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47 name_is_value = true
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48 elseif propschema.xml.x_single_attribute then
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49 single_attribute = propschema.xml.x_single_attribute
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50 end
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51 end
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52
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53 if name_is_value then
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54 local c = s:get_child(nil, namespace);
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55 if c and proptype == "string" then
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56 out[prop] = c.name;
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57 elseif proptype == "boolean" and c then
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58 out[prop] = true;
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59 end
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60 elseif is_attribute then
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61 local attr = name
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62 if prefix then
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63 attr = prefix .. ':' .. name
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64 elseif namespace ~= s.attr.xmlns then
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65 attr = namespace .. "\1" .. name
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66 end
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67 if proptype == "string" then
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68 out[prop] = s.attr[attr]
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69 elseif proptype == "integer" or proptype == "number" then
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70 -- TODO floor if integer ?
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71 out[prop] = tonumber(s.attr[attr])
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72 elseif proptype == "boolean" then
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73 out[prop] = toboolean(s.attr[attr])
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74 -- else TODO
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75 end
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76
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77 elseif is_text then
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78 if proptype == "string" then
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79 out[prop] = s:get_text()
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80 elseif proptype == "integer" or proptype == "number" then
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81 out[prop] = tonumber(s:get_text())
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82 end
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83
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84 elseif single_attribute then
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85 local c = s:get_child(name, namespace)
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86 local a = c and c.attr[single_attribute]
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87 if proptype == "string" then
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88 out[prop] = a
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89 elseif proptype == "integer" or proptype == "number" then
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90 out[prop] = tonumber(a)
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91 elseif proptype == "boolean" then
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92 out[prop] = toboolean(a)
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93 end
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94 else
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95
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96 if proptype == "string" then
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97 out[prop] = s:get_child_text(name, namespace)
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98 elseif proptype == "integer" or proptype == "number" then
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99 out[prop] = tonumber(s:get_child_text(name, namespace))
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100 elseif proptype == "object" and propschema is js.schema_t then
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101 local c = s:get_child(name, namespace)
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102 if c then
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103 out[prop] = parse_object(propschema, c);
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104 end
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105 -- else TODO
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106 end
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107 end
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108 end
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109 end
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110
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111 return out
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112 end
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113
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114 local function parse (schema : js.schema_t, s : st.stanza_t) : table
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115 if schema.type == "object" then
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116 return parse_object(schema, s)
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117 end
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118 end
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119
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120 local function unparse ( schema : js.schema_t, t : table, current_name : string, current_ns : string ) : st.stanza_t
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121 if schema.type == "object" then
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122
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123 if schema.xml then
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124 if schema.xml.name then
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125 current_name = schema.xml.name
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126 end
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127 if schema.xml.namespace then
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128 current_ns = schema.xml.namespace
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129 end
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130 -- TODO prefix?
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131 end
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132
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133 local out = st.stanza(current_name, { xmlns = current_ns })
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134
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135 for prop, propschema in pairs(schema.properties) do
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Kim Alvefur <zash@zash.se>
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136 local v = t[prop]
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Kim Alvefur <zash@zash.se>
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diff changeset
137
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
138 if v ~= nil then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
139 local proptype : js.schema_t.type_e
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140 if propschema is js.schema_t then
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diff changeset
141 proptype = propschema.type
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142 elseif propschema is js.schema_t.type_e then
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diff changeset
143 proptype = propschema
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Kim Alvefur <zash@zash.se>
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144 end
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Kim Alvefur <zash@zash.se>
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diff changeset
145
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Kim Alvefur <zash@zash.se>
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diff changeset
146 local name = prop
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147 local namespace = current_ns
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148 local prefix : string = nil
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Kim Alvefur <zash@zash.se>
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149 local is_attribute = false
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150 local is_text = false
11437
87a684df4b65 util.datamapper: Invent extension for using tag name as value
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diff changeset
151 local name_is_value = false;
11439
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152 local single_attribute : string
11436
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Kim Alvefur <zash@zash.se>
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diff changeset
153
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
154 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
155
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
156 if propschema.xml.name then
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
157 name = propschema.xml.name
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Kim Alvefur <zash@zash.se>
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diff changeset
158 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
159 if propschema.xml.namespace then
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Kim Alvefur <zash@zash.se>
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diff changeset
160 namespace = propschema.xml.namespace
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Kim Alvefur <zash@zash.se>
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diff changeset
161 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
162
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
163 if propschema.xml.prefix then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
164 prefix = propschema.xml.prefix
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Kim Alvefur <zash@zash.se>
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diff changeset
165 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
166
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
167 if propschema.xml.attribute then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
168 is_attribute = true
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
169 elseif propschema.xml.text then
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170 is_text = true
11437
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diff changeset
171 elseif propschema.xml.x_name_is_value then
87a684df4b65 util.datamapper: Invent extension for using tag name as value
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diff changeset
172 name_is_value = true
11439
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diff changeset
173 elseif propschema.xml.x_single_attribute then
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diff changeset
174 single_attribute = propschema.xml.x_single_attribute
11436
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Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
175 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
176 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
177
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
178 if is_attribute then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
179 local attr = name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
180 if prefix then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
181 attr = prefix .. ':' .. name
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Kim Alvefur <zash@zash.se>
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diff changeset
182 elseif namespace ~= current_ns then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
183 attr = namespace .. "\1" .. name
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
184 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
185
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
186 if proptype == "string" and v is string then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
187 out.attr[attr] = v
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188 elseif proptype == "number" and v is number then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
189 out.attr[attr] = string.format("%g", v)
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diff changeset
190 elseif proptype == "integer" and v is number then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
191 out.attr[attr] = string.format("%d", v)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
192 elseif proptype == "boolean" then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
193 out.attr[attr] = v and "1" or "0"
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diff changeset
194 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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diff changeset
195 elseif is_text then
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Kim Alvefur <zash@zash.se>
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diff changeset
196 if v is string then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
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diff changeset
197 out:text(v)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
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198 end
11439
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
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199 elseif single_attribute then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
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diff changeset
200 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
201
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
202 if namespace ~= current_ns then
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
203 propattr.xmlns = namespace
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
204 end
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
205
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
206 if proptype == "string" and v is string then
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
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diff changeset
207 propattr[single_attribute] = v
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
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diff changeset
208 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
209 propattr[single_attribute] = string.format("%g", v)
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
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diff changeset
210 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
211 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
212 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
213 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
214 end
9abcdfdcdb01 util.datamapper: Add support for mapping of elements where only one attribute matters
Kim Alvefur <zash@zash.se>
parents: 11438
diff changeset
215 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
216
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
217 else
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
218 local propattr : { string : string }
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
219 if namespace ~= current_ns then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
220 propattr = { xmlns = namespace }
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
221 end
11438
b7807583de34 util.datamapper: Add logic for "boolean" tags here the presence means true
Kim Alvefur <zash@zash.se>
parents: 11437
diff changeset
222 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
223 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
224 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
225 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
226 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
227 end
11437
87a684df4b65 util.datamapper: Invent extension for using tag name as value
Kim Alvefur <zash@zash.se>
parents: 11436
diff changeset
228 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
229 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
230 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
231 out:text_tag(name, string.format("%g", v), propattr)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
232 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
233 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
234 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
235 out:text_tag(name, v and "1" or "0", propattr)
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
236 elseif proptype == "object" and propschema is js.schema_t and v is table then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
237 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
238 if c then
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
239 out:add_direct_child(c);
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
240 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
241 -- else TODO
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
242 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
243 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
244 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
245 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
246 return out;
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
247
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
248 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
249 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
250
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
251 return {
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
252 parse = parse,
11436
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML
Kim Alvefur <zash@zash.se>
parents: 11435
diff changeset
253 unparse = unparse,
11435
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 }