LanguageValues and typesStandard typesWeb and network
JsonPointer
On this page
A pointer into a JSON document: /foo/0.
Use it to name a value in a document, such as in an error. Empty text means the whole document.
Shape
One value, held as text in one set form, with no parts: "".
Example
JsonPointer("/foo/0")JsonPointer(raw) checks the text, and text that isn't one breaks the format rule.
text.parse(raw, as: JsonPointer) reads one from text that comes from outside. Text that isn't one at all fails malformed, such as foo, /a~2b or /a~.
Good to know
~1stands for/in a name, and~0for~. A pointer that doesn't start with/is refused.==tells you whether two are the same.<andlist.sort_bydon't take it.
In JSON
A string, in a request, a response or json.write:
"/foo/0""/a~1b""/m~0n"
Details
Text form, storage, how it is shown, and operations
JsonPointer is in the group Web and network, and has been in Jadpo since 0.1.0.
Text form
text.from writes one standard text form, the same form text.parse reads back: /foo/0, /a~1b and /m~0n.
How it is stored
It is stored in one column named for the field, of type text. /m~0n is stored as '/m~0n'.
How it is shown to people
text.format(value, locale:) shows it to people in their locale.
With locale: Locale.en_gb:
| Value | Shown |
|---|---|
/foo/0 |
/foo/0 |
/a~1b |
/a~1b |
/m~0n |
/m~0n |
"" |
"" |
Operations
It also takes text.parse, text.from, text.format, json.read, json.write and ==. How every standard type behaves says how they work.
Markdown for agents: /docs/types/type-json-pointer.md.Built from Jadpo main at aee2e8f.