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Posted to dev@jena.apache.org by GitBox <gi...@apache.org> on 2020/09/20 10:48:26 UTC
[GitHub] [jena-site] kinow commented on a change in pull request #22: Turtle writer options
kinow commented on a change in pull request #22:
URL: https://github.com/apache/jena-site/pull/22#discussion_r491678810
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File path: source/documentation/io/rdf-output.md
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@@ -240,7 +241,58 @@ but always writes one complete triple on one line (no use of `;`).
| TURTLE_FLAT |
| TRIG_FLAT |
-### N-Triples and N-Quads
+### Turtle and Trig format options {#opt-turtle-trig}
+
+Some context settings affect the output of Turtle and TriG writers. Unless
+otherwise noted, the settign applies to both Turtle and TriG.
+
+| Context setting | Cmd line | Values |
+|-----------------|----------|--|
+| RIOT.symTurtleDirectiveStyle | "ttl:directiveStyle" | "sparql", "rdf11", "at", "n3" |
+| RIOT.symTurtleOmitBase | "ttl:omitBase" | "true", "false" |
+
+<p> </p>
Review comment:
Ha, nice trick!
##########
File path: source/documentation/io/rdf-output.md
##########
@@ -240,7 +241,58 @@ but always writes one complete triple on one line (no use of `;`).
| TURTLE_FLAT |
| TRIG_FLAT |
-### N-Triples and N-Quads
+### Turtle and Trig format options {#opt-turtle-trig}
+
+Some context settings affect the output of Turtle and TriG writers. Unless
+otherwise noted, the settign applies to both Turtle and TriG.
Review comment:
s/the settign/the setting
##########
File path: source/documentation/io/rdf-output.md
##########
@@ -240,7 +241,58 @@ but always writes one complete triple on one line (no use of `;`).
| TURTLE_FLAT |
| TRIG_FLAT |
-### N-Triples and N-Quads
+### Turtle and Trig format options {#opt-turtle-trig}
+
+Some context settings affect the output of Turtle and TriG writers. Unless
+otherwise noted, the settign applies to both Turtle and TriG.
+
+| Context setting | Cmd line | Values |
+|-----------------|----------|--|
+| RIOT.symTurtleDirectiveStyle | "ttl:directiveStyle" | "sparql", "rdf11", "at", "n3" |
+| RIOT.symTurtleOmitBase | "ttl:omitBase" | "true", "false" |
+
+<p> </p>
+
+| Directive Style | Effect |
+|------------------|-------|
+| "sparql", "rdf11" | Use `PREFIX` and `BASE` in output. |
+| "at", "n3" | Use `@prefix` and `@base` in output. |
+| unset | Use `@prefix` and `@base` in output. |
+
+<p> </b>
+
+#### Format Option Usage
+
+##### _Setting directive style_
+```
+ riot --set ttl:directiveStyle=sparql --pretty Turtle file1.rdf file2.nt ...
+```
+and in code:
+```
+ RDFWriter.create()
+ .set(RIOT.symTurtleDirectiveStyle, "sparql")
+ .lang(Lang.TTL)
+ .source(model)
+ .output(System.out);
+```
+##### _Base URI_
+
+Output can be written with relative URIs and no base. Note: such output is not
+portable; it's meaning depends on the base URI at the time of reading.
Review comment:
s/it's/its
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