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Added prettyPrintTo()

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Benoit Blanchon
2014-09-01 21:22:34 +02:00
parent ec843659d8
commit cd88fb0882
1 changed files with 9 additions and 1 deletions
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JsonGenerator/README.md
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@ -15,6 +15,7 @@ Features
* Fixed memory allocation (no malloc) * Fixed memory allocation (no malloc)
* Small footprint * Small footprint
* Supports nested objects * Supports nested objects
* Supports indented output
* Implements Arduino's `Printable interface * Implements Arduino's `Printable interface
* MIT License * MIT License
@ -177,6 +178,13 @@ Whether you have a `JsonArray` or a `JsonObject`, simply call `printTo()` with t
char buffer[256]; char buffer[256];
array.printTo(buffer, sizeof(buffer)); array.printTo(buffer, sizeof(buffer));
> ##### Want an indented output?
> By default the generated JSON is as small as possible. It contains no extra space, nor line break.
> But if you want an indented, more readable output, you can.
> Simply call `prettyPrintTo` instead of `printTo()`:
>
> array.prettyPrintTo(buffer, sizeof(buffer));
#### Send to a stream #### Send to a stream
It's very likely that the generated JSON will end up in a stream like `Serial` or `EthernetClient `, so you can save some time and memory by doing this: It's very likely that the generated JSON will end up in a stream like `Serial` or `EthernetClient `, so you can save some time and memory by doing this:
@ -190,7 +198,7 @@ or
> ##### About the Printable interface > ##### About the Printable interface
> `JsonArray` and `JsonObject` implement Arduino's `Printable` interface. > `JsonArray` and `JsonObject` implement Arduino's `Printable` interface.
> This is why you can call `Serial.print()` like in the example above. > This is why you can call `Serial.print()` like in the example above.
> You can do the same with any other implementation of `Print`: `HardwareSerial`, `SoftwareSerial`, `LiquidCrystal`, `EthernetClient`, `WiFiClient`... > You can do the same with any other implementation of `Print`: `HardwareSerial`, `SoftwareSerial`, `LiquidCrystal`, `EthernetClient`, `WiFiClient`, `Wire`...
Memory usage Memory usage