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jsonnet_cgo

Simple golang cgo wrapper around JSonnet VM.

Everything in libjsonnet.h is covered except the multi-file evaluators.

See jsonnet_test.go for how to use it.

Quick example in golang:

    vm := jsonnet.Make()
    vm.ExtVar("color", "purple")

    x, err := vm.EvaluateSnippet(`Test_Demo`, `"dark " + std.extVar("color")`)

    if err != nil {
            panic(err)
    }
    if x != "\"dark purple\"\n" {
            panic("fail: we got " + x)
    }

    vm.Destroy()

Quick examples with the command line demo program:

$ ( cd jsonnet_main/  ; go  build -x -a )
...
mv $WORK/b001/exe/a.out jsonnet_main
...
$ echo "{ a: 1, b: 2 }"  | jsonnet_main/jsonnet_main /dev/stdin
{
   "a": 1,
   "b": 2
}
$ cat test1.j
{
  shell: "/bin/sh",
  awk: "/usr/bin/awk",
}
$ jsonnet_main/jsonnet_main test1.j
{
   "awk": "/usr/bin/awk",
   "shell": "/bin/sh"
}
$ cat test2.j
local test1 = import "test1.j";

test1 {
  shell: "/bin/csh",
}
$ jsonnet_main/jsonnet_main test2.j
{
   "awk": "/usr/bin/awk",
   "shell": "/bin/csh"
}
$ echo ' std.extVar("a") + "bar" ' | jsonnet_main/jsonnet_main /dev/stdin a=foo
"foobar"

LICENSES

Notice the various LICENSE* files. I cannot offer legal advice, but you might find that the Apache License is the most restrictive.

Most of this code comes from https://github.com/google/jsonnet and is under the Apache License, Version 2.0, January 2004, and our files that match filenames there are under that license.

Notice the third_party/ directory in that distribution. It has json/ and md5/ under their own licences, and our files that match filenames there are under those licenses.

Anything new added here is under an MIT license in the plain LICENSE file.

About

Golang CGo Wrapper around JSonnet VM

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License

MIT and 3 other licenses found

Licenses found

MIT
LICENSE
MIT
LICENSE.json
Apache-2.0
LICENSE.jsonnet
Unknown
LICENSE.md5

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