README.md

In tercen/rtson: Typed JSON

TSON

R implementation of TSON specification.

devtools::install_github("tercen/rtson", ref = "1.6.2", upgrade_dependencies = FALSE, args="--no-multiarch")

Note

Type int64 partially implemented.

Changes

1.6.2

• move to https://github.com/tercen/rtson

1.6.1

• rustc 1.24.1

1.6.0

• json encode/decode added

1.5.0

• toTSON use native rust lib
• serialisation to uint64 and int64 is now possible using either interger or float vector

toTSON(tson.int64.vec(42))
toTSON(tson.uint64.vec(42))

1.4.2

• fromTSON use native rust lib

1.4

• use jsonlite scalar definition : jsonlite::unbox and tson.scalar are now compatibles

1.3

• overcome readBin/writeBin character limit (10 kbytes)

1.2

• use of connection object : overall performance should be improved
• new function writeTSON : Write TSON specification binary-encoded format to a connection.
• new function readTSON : Read TSON specification binary-encoded format from a connection.

1.1

• package now export tson.scalar
• tson.scalar, tson.character ... return NULL if given object is NULL
• values can be NULL in maps
• correct endianess for readBin

Example

library(rtson)

list = list(integer=42L,
          double=42,
          bool=TRUE,
          uint8=tson.uint8.vec(c(42,0)),
          uint16=tson.uint16.vec(c(42,0)),
          uint32=tson.uint32.vec(c(42,0)),
          int8=tson.int8.vec(c(42,0)),
          int16=tson.int16.vec(c(42,0)),
          int32=as.integer(c(42,0)),
          float32=tson.float32.vec(c(0.0, 42.0)),
          float64=c(42.0,42.0),
          map=list(x=42, y=42, label="42"),
          list=list("42",42)
)

bytes = toTSON(list)

print(as.integer(bytes))

object = fromTSON(bytes)

print(object)

rustrize

rustinr::rustrize()

Bench

```R

object = list(a=rtson::tson.scalar(6), p=seq(1000))

rbenchmark::benchmark("jsonlite" = { jsonlite::fromJSON(jsonlite::toJSON(object)) }, "rtson-json" = { rtson::fromJSON(rtson::toJSON(object)) }, "rtson" = { rtson::fromTSON(rtson::toTSON(object)) })

tercen/rtson documentation built on May 22, 2019, 5:35 p.m.