https://github.com/Qihoo360/rust-jsonnet

rust-jsonnet - The Google Jsonnet( operation data template language) for rust
https://github.com/Qihoo360/rust-jsonnet

Last synced: 7 days ago
JSON representation

rust-jsonnet - The Google Jsonnet( operation data template language) for rust

• Host: GitHub
• URL: https://github.com/Qihoo360/rust-jsonnet
• Owner: Qihoo360
• Created: 2015-09-06T01:39:44.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2018-01-14T12:58:13.000Z (almost 7 years ago)
• Last Synced: 2024-08-01T03:29:09.253Z (3 months ago)
• Language: Rust
• Size: 473 KB
• Stars: 24
• Watchers: 3
• Forks: 5
• Open Issues: 1
• Metadata Files:
  • Readme: README.markdown

Awesome Lists containing this project

• awesome-rust-cn - Qihoo360/rust-jsonnet - ci.org/Qihoo360/rust-jsonnet.svg?branch=master">](https://travis-ci.org/Qihoo360/rust-jsonnet) (Libraries / Encoding)
• awesome-rust - Qihoo360/rust-jsonnet - ci.org/Qihoo360/rust-jsonnet.svg?branch=master">](https://travis-ci.org/Qihoo360/rust-jsonnet) (Libraries / Encoding)
• awesome-rust-zh - Qihoo360/rust-jsonnet - [<img src="https://api.travis-ci.org/Qihoo360/rust-jsonnet.svg?branch=master">](https://travis-ci.org/Qihoo360/rust-jsonnet) (库 / 编码(Encoding))
• awesome-rust - Qihoo360/rust-jsonnet - ci.org/Qihoo360/rust-jsonnet.svg?branch=master">](https://travis-ci.org/Qihoo360/rust-jsonnet) (库 Libraries / 加密 Encoding)

README

        
# rust-jsonnet

====

|Crate|

|:------:|

|[![](https://img.shields.io/badge/cargo.io-0.1.0-orange.svg)](https://crates.io/crates/jsonnet)|

rust-jsonnet - The Google Jsonnet( operation data template language) for rust

Google jsonnet documet: (http://google.github.io/jsonnet/doc/)

Parse the file

```

#[warn(unused_must_use)]

extern crate libc;

extern crate jsonnet;

use libc::c_char;

use std::str;

use std::error::Error;

use std::fs::File;

use std::io::prelude::*;

use std::path::Path;

use std::ffi::CStr;

use std::ffi::CString;

use jsonnet::ffi::command::{ Jsonnet };

pub type JsonnetResult = Result;

pub fn ctos(msg_buf : *const c_char)-> String{

    let msg_str: &CStr = unsafe { CStr::from_ptr(msg_buf) };

    let buf: &[u8] = msg_str.to_bytes();

    let str_buf: &str = str::from_utf8(buf).unwrap();

    let msg_data: String = str_buf.to_owned();

    return msg_data;

}

pub fn version(){

    let msg_buf: *const c_char = Jsonnet::version();

    let msg_data: String = ctos(msg_buf);

    println!("{:?}", msg_data);

}

pub fn evaluate_file(){  

    let filename : *const libc::c_char = CString::new("./t.jsonnet") .unwrap().as_ptr();

    let json = match Jsonnet::evaluate_file(filename) {

    Ok(json) => json,

    Err(e) => panic!("{:?}", e)

    };

    println!("{:?}", json);

}

pub fn evaluate_snippet(){

    let path = Path::new("./t.jsonnet");

    let display = path.display();

    let mut file = match File::open(&path) {

    Err(why) => panic!("couldn't open {}: {}", display,

    Error::description(&why)),

    Ok(file) => file,

    };

    let mut s = String::new();

    file.read_to_string(&mut s).unwrap();

    let json_tpl : *const c_char = s.as_ptr() as *const c_char;

    let json = match Jsonnet::evaluate_snippet(json_tpl) {

    Ok(json) => json,

    Err(e) => panic!("{:?}", e)

    };

    println!("{:?}", json);

}

fn main() {

    version();

    evaluate_file();

    evaluate_snippet();

    Jsonnet::destroy();

}

```