Changes for page 13 Structure Mapping
Last modified by Artur on 2025/09/10 11:19
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... ... @@ -195,30 +195,31 @@ 195 195 196 196 Below is an example set of regular expression rules for a particular component. 197 197 198 -|Regex|Description|Output 199 -|A|Rule match if input = 'A'|OUT_A 200 -|^[A-G]|Rule match if the input starts with letters A to G|OUT_B 201 -|A~|B|Rule match if input is either 'A' or 'B'|OUT_C 198 +(% style="width:664.294px" %) 199 +|(% style="width:141px" %)**Regex**|(% style="width:362px" %)**Description**|(% style="width:158px" %)**Output** 200 +|(% style="width:141px" %)A|(% style="width:362px" %)Rule match if input = 'A'|(% style="width:158px" %)OUT_A 201 +|(% style="width:141px" %)^[A-G]|(% style="width:362px" %)Rule match if the input starts with letters A to G|(% style="width:158px" %)OUT_B 202 +|(% style="width:141px" %)A~|B|(% style="width:362px" %)Rule match if input is either 'A' or 'B'|(% style="width:158px" %)OUT_C 202 202 203 203 Like all mapping rules, the output is either a Code, a Value or free text depending on the representation of the Component in the target Data Structure Definition. 204 204 205 205 If the regular expression contains capture groups, these can be used in the definition of the output value, by specifying \**//n//**// //as an output value where **//n//** is the number of the capture group starting from 1. For example 206 206 207 -|Regex|Target output|Example Input|Example Output 208 -|((( 209 -([0-9]{4})[0- 208 +(% style="width:700.294px" %) 209 +|(% style="width:203px" %)Regex|(% style="width:148px" %)Target output|(% style="width:157px" %)Example Input|(% style="width:189px" %)Example Output 210 +|(% style="width:203px" %)((( 211 +([0-9]{4})[0-9]([0-9]{1}) 212 +)))|(% style="width:148px" %)\1-Q\2|(% style="width:157px" %)200933|(% style="width:189px" %)2009-Q3 210 210 211 -9]([0-9]{1}) 212 -)))|\1-Q\2|200933|2009-Q3 213 - 214 214 As regular expression rules can be used as a general catch-all if nothing else matches, the ordering of the rules is important. Rules should be tested starting with the highest priority, moving down the list until a match is found. 215 215 216 216 The following example shows this: 217 217 218 -|Priority|Regex|Description|Output 219 -|1|A|Rule match if input = 'A'|OUT_A 220 -|2|B|Rule match if input = 'B'|OUT_B 221 -|3|[A-Z]|Any character A-Z|OUT_C 218 +(% style="width:704.294px" %) 219 +|(% style="width:130px" %)Priority|(% style="width:125px" %)Regex|(% style="width:241px" %)Description|(% style="width:205px" %)Output 220 +|(% style="width:130px" %)1|(% style="width:125px" %)A|(% style="width:241px" %)Rule match if input = 'A'|(% style="width:205px" %)OUT_A 221 +|(% style="width:130px" %)2|(% style="width:125px" %)B|(% style="width:241px" %)Rule match if input = 'B'|(% style="width:205px" %)OUT_B 222 +|(% style="width:130px" %)3|(% style="width:125px" %)[A-Z]|(% style="width:241px" %)Any character A-Z|(% style="width:205px" %)OUT_C 222 222 223 223 The input 'A' matches both the first and the last rule, but the first takes precedence having the higher priority. The output is OUT_A. 224 224 ... ... @@ -230,14 +230,16 @@ 230 230 231 231 For instance: 232 232 233 -|Input String|Start|Length|Output 234 -|ABC_DEF_XYZ|5|3|DEF 235 -|XULADS|1|2|XU 234 +(% style="width:623.294px" %) 235 +|(% style="width:169px" %)Input String|(% style="width:147px" %)Start|(% style="width:133px" %)Length|(% style="width:171px" %)Output 236 +|(% style="width:169px" %)ABC_DEF_XYZ|(% style="width:147px" %)5|(% style="width:133px" %)3|(% style="width:171px" %)DEF 237 +|(% style="width:169px" %)XULADS|(% style="width:147px" %)1|(% style="width:133px" %)2|(% style="width:171px" %)XU 236 236 237 237 Sub-strings can therefore be used for the conceptual rule //If starts with 'XU' map to Y// as shown in the following example: 238 238 239 -|Start|Length|Source|Target 240 -|1|2|XU|Y 241 +(% style="width:628.294px" %) 242 +|(% style="width:163px" %)Start|(% style="width:158px" %)Length|(% style="width:128px" %)Source|(% style="width:176px" %)Target 243 +|(% style="width:163px" %)1|(% style="width:158px" %)2|(% style="width:128px" %)XU|(% style="width:176px" %)Y 241 241 242 242 == 13.6 Mapping non-SDMX time formats to SDMX formats == 243 243