amorfo77/json
1
0
Fork 0
mirror of https://github.com/nlohmann/json.git synced 2026-10-03 21:20:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

deploy: 63c10a51fc

Browse Source
This commit is contained in:
nlohmann
2026-10-03 05:43:12 +00:00
parent 2aaa1d24ef
commit a410b4f40f
741 changed files with 8115 additions and 2252 deletions
Download Patch File Download Diff File Expand all files Collapse all files
features/binary_formats/ubjson/index.html
+3 -3
View File
File diff suppressed because one or more lines are too long
features/binary_formats/ubjson/index.md
+26 -26
View File
@@ -10,29 +10,29 @@ References
The library uses the following mapping from JSON values types to UBJSON types according to the UBJSON specification:
| JSON value type | value/range | UBJSON type | marker |
| --------------- | --------------------------------- | -------------- | ------ |
| null | `null` | null | `Z` |
| boolean | `true` | true | `T` |
| boolean | `false` | false | `F` |
| number_integer | -9223372036854775808..-2147483649 | int64 | `L` |
| number_integer | -2147483648..-32769 | int32 | `l` |
| number_integer | -32768..-129 | int16 | `I` |
| number_integer | -128..127 | int8 | `i` |
| number_integer | 128..255 | uint8 | `U` |
| number_integer | 256..32767 | int16 | `I` |
| number_integer | 32768..2147483647 | int32 | `l` |
| number_integer | 2147483648..9223372036854775807 | int64 | `L` |
| number_unsigned | 0..127 | int8 | `i` |
| number_unsigned | 128..255 | uint8 | `U` |
| number_unsigned | 256..32767 | int16 | `I` |
| number_unsigned | 32768..2147483647 | int32 | `l` |
| number_unsigned | 2147483648..9223372036854775807 | int64 | `L` |
| number_unsigned | 2147483649..18446744073709551615 | high-precision | `H` |
| number_float | *any value* | float64 | `D` |
| string | *with shortest length indicator* | string | `S` |
| array | *see notes on optimized format* | array | `[` |
| object | *see notes on optimized format* | map | `{` |
| JSON value type | value/range | UBJSON type | marker |
| --------------- | ----------------------------------------- | -------------- | ------ |
| null | `null` | null | `Z` |
| boolean | `true` | true | `T` |
| boolean | `false` | false | `F` |
| number_integer | -9223372036854775808..-2147483649 | int64 | `L` |
| number_integer | -2147483648..-32769 | int32 | `l` |
| number_integer | -32768..-129 | int16 | `I` |
| number_integer | -128..127 | int8 | `i` |
| number_integer | 128..255 | uint8 | `U` |
| number_integer | 256..32767 | int16 | `I` |
| number_integer | 32768..2147483647 | int32 | `l` |
| number_integer | 2147483648..9223372036854775807 | int64 | `L` |
| number_unsigned | 0..127 | int8 | `i` |
| number_unsigned | 128..255 | uint8 | `U` |
| number_unsigned | 256..32767 | int16 | `I` |
| number_unsigned | 32768..2147483647 | int32 | `l` |
| number_unsigned | 2147483648..9223372036854775807 | int64 | `L` |
| number_unsigned | 9223372036854775808..18446744073709551615 | high-precision | `H` |
| number_float | *any value* | float64 | `D` |
| string | *with shortest length indicator* | string | `S` |
| array | *see notes on optimized format* | array | `[` |
| object | *see notes on optimized format* | map | `{` |
Complete mapping
@@ -55,7 +55,7 @@ The following markers are not used in the conversion:
NaN/infinity handling
If NaN or Infinity are stored inside a JSON number, they are serialized properly. This behavior differs from the `dump()` function which serializes NaN or Infinity to `null`.
If NaN or Infinity are stored inside a JSON number, they are serialized properly. This behavior differs from the [`dump()`](https://json.nlohmann.me/api/basic_json/dump/index.md) function which serializes NaN or Infinity to `null`.
Optimized formats
@@ -69,7 +69,7 @@ Binary values
If the JSON data contains the binary type, the value stored is a list of integers, as suggested by the UBJSON documentation. In particular, this means that serialization and the deserialization of a JSON containing binary values into UBJSON and back will result in a different JSON object.
Example
Example: serialize JSON values to UBJSON, with and without size/type optimization
```
#include <iostream>
@@ -173,7 +173,7 @@ Complete mapping
The mapping is **complete** in the sense that any UBJSON value can be converted to a JSON value.
Example
Example: deserialize a JSON value from UBJSON
```
#include <iostream>