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Documentation change (#3672)
Co-authored-by: Florian Albrechtskirchinger <falbrechtskirchinger@gmail.com>
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Florian Albrechtskirchinger
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@@ -5,13 +5,14 @@ small code size, fairly small message size, and extensibility without the need f
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!!! abstract "References"
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- [CBOR Website](http://cbor.io) - the main source on CBOR
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- [CBOR Website](http://cbor.io) - the main source on CBOR
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- [CBOR Playground](http://cbor.me) - an interactive webpage to translate between JSON and CBOR
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- [RFC 7049](https://tools.ietf.org/html/rfc7049) - the CBOR specification
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## Serialization
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The library uses the following mapping from JSON values types to CBOR types according to the CBOR specification (RFC 7049):
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The library uses the following mapping from JSON values types to CBOR types according to the CBOR specification
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([RFC 7049](https://www.rfc-editor.org/rfc/rfc7049.html)):
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| JSON value type | value/range | CBOR type | first byte |
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|-----------------|--------------------------------------------|-----------------------------------|------------|
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@@ -61,15 +62,15 @@ see "binary" cells in the table above.
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!!! success "Complete mapping"
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The mapping is **complete** in the sense that any JSON value type can be converted to a CBOR value.
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The mapping is **complete** in the sense that any JSON value type can be converted to a CBOR value.
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!!! info "NaN/infinity handling"
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If NaN or Infinity are stored inside a JSON number, they are serialized properly. This behavior differs from the normal JSON serialization which serializes NaN or Infinity to `null`.
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If NaN or Infinity are stored inside a JSON number, they are serialized properly. This behavior differs from the normal JSON serialization which serializes NaN or Infinity to `null`.
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!!! info "Unused CBOR types"
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The following CBOR types are not used in the conversion:
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The following CBOR types are not used in the conversion:
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- UTF-8 strings terminated by "break" (0x7F)
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- arrays terminated by "break" (0x9F)
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@@ -149,7 +150,7 @@ The library maps CBOR types to JSON value types as follows:
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!!! warning "Incomplete mapping"
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The mapping is **incomplete** in the sense that not all CBOR types can be converted to a JSON value. The following CBOR types are not supported and will yield parse errors:
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The mapping is **incomplete** in the sense that not all CBOR types can be converted to a JSON value. The following CBOR types are not supported and will yield parse errors:
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- date/time (0xC0..0xC1)
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- bignum (0xC2..0xC3)
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@@ -161,7 +162,7 @@ The library maps CBOR types to JSON value types as follows:
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!!! warning "Object keys"
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CBOR allows map keys of any type, whereas JSON only allows strings as keys in object values. Therefore, CBOR maps with keys other than UTF-8 strings are rejected.
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CBOR allows map keys of any type, whereas JSON only allows strings as keys in object values. Therefore, CBOR maps with keys other than UTF-8 strings are rejected.
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!!! warning "Tagged items"
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