annotate env/lib/python3.7/site-packages/schema_salad/metaschema/link_res.yml @ 0:26e78fe6e8c4 draft

"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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1 - |
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2 ## Link resolution
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3
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4 The schema may designate one or more fields as link fields reference other
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5 objects. Processing must resolve links to either absolute URIs using the
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6 following rules:
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7
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8 * If a reference URI is prefixed with `#` it is a relative
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9 fragment identifier. It is resolved relative to the base URI by setting
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10 or replacing the fragment portion of the base URI.
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11
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12 * If a reference URI does not contain a scheme and is not prefixed with `#`
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13 it is a path relative reference. If the reference URI contains `#` in any
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14 position other than the first character, the reference URI must be divided
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15 into a path portion and a fragment portion split on the first instance of
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16 `#`. The path portion is resolved relative to the base URI by the following
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17 rule: if the path portion of the base URI ends in a slash `/`, append the
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18 path portion of the reference URI to the path portion of the base URI. If
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19 the path portion of the base URI does not end in a slash, replace the final
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20 path segment with the path portion of the reference URI. Replace the
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21 fragment portion of the base URI with the fragment portion of the reference
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22 URI.
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23
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24 * If a reference URI begins with a namespace prefix declared in `$namespaces`
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25 followed by a colon `:`, the prefix and colon must be replaced by the
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26 namespace declared in `$namespaces`.
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27
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28 * If a reference URI is an absolute URI consisting of a scheme and path,
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29 no processing occurs.
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30
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31 Link resolution must not affect the base URI used to resolve identifiers
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32 and other links.
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33
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34 ### Link resolution example
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35
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36 Given the following schema:
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37
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38 ```
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39 - $include: link_res_schema.yml
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40 - |
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41 ```
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42
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43 Process the following example:
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44
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45 ```
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46 - $include: link_res_src.yml
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47 - |
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48 ```
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49
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50 This becomes:
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51
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52 ```
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53 - $include: link_res_proc.yml
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54 - |
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55 ```