├── .gitignore ├── Cargo.toml ├── README.rst ├── vagga.yaml ├── LICENSE-MIT ├── .travis.yml ├── src ├── lib.rs ├── for_serde.rs └── for_rustc_serialize.rs └── LICENSE-APACHE /.gitignore: -------------------------------------------------------------------------------- 1 | /.vagga 2 | /target 3 | /Cargo.lock 4 | -------------------------------------------------------------------------------- /Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | name = "gron" 3 | description = """ 4 | Gron transforms JSON into discrete assignments to make it easier to grep 5 | """ 6 | license = "MIT" 7 | readme = "README.rst" 8 | keywords = ["gron", "json"] 9 | homepage = "http://github.com/tailhook/rust-gron" 10 | documentation = "http://tailhook.github.com/rust-gron/" 11 | version = "0.4.0" 12 | authors = ["paul@colomiets.name"] 13 | 14 | [dependencies] 15 | rustc-serialize = "0.3.19" 16 | serde_json = "1.0.0" 17 | 18 | [features] 19 | log_errors = [] 20 | 21 | [lib] 22 | name = "gron" 23 | path = "src/lib.rs" 24 | 25 | -------------------------------------------------------------------------------- /README.rst: -------------------------------------------------------------------------------- 1 | ========= 2 | Rust-Gron 3 | ========= 4 | 5 | :Credits: gron_ 6 | :API Documentation: http://tailhook.github.io/rust-gron/ 7 | :Format Description: `in gron docs`__ 8 | 9 | __ https://github.com/tomnomnom/gron/blob/master/README.mkd 10 | .. _gron: https://github.com/tomnomnom/gron 11 | 12 | Gron transforms JSON into discrete assignments to make it easier to grep for 13 | what you want and see the absolute 'path' to it. It eases the exploration of 14 | APIs that return large blobs of JSON. 15 | 16 | This is a reimplementation of the library in Rust because I need to embed 17 | it into a daemon written in rust. 18 | 19 | 20 | -------------------------------------------------------------------------------- /vagga.yaml: -------------------------------------------------------------------------------- 1 | commands: 2 | 3 | make: !Command 4 | description: Build gron library 5 | container: ubuntu 6 | run: [cargo, build] 7 | 8 | test: !Command 9 | description: Run unit tests 10 | container: ubuntu 11 | run: [cargo, test] 12 | 13 | cargo: !Command 14 | description: Run any cargo command 15 | container: ubuntu 16 | run: [cargo] 17 | 18 | containers: 19 | 20 | ubuntu: 21 | setup: 22 | - !Ubuntu xenial 23 | - !Install [ca-certificates, build-essential] 24 | 25 | - !TarInstall 26 | url: "https://static.rust-lang.org/dist/rust-1.15.1-x86_64-unknown-linux-gnu.tar.gz" 27 | script: "./install.sh --prefix=/usr \ 28 | --components=rustc,rust-std-x86_64-unknown-linux-gnu,cargo" 29 | 30 | environ: 31 | HOME: /work/target 32 | -------------------------------------------------------------------------------- /LICENSE-MIT: -------------------------------------------------------------------------------- 1 | Copyright (c) 2016 The rust-gron Developers 2 | 3 | Permission is hereby granted, free of charge, to any person obtaining a copy 4 | of this software and associated documentation files (the "Software"), to deal 5 | in the Software without restriction, including without limitation the rights 6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 | copies of the Software, and to permit persons to whom the Software is 8 | furnished to do so, subject to the following conditions: 9 | 10 | The above copyright notice and this permission notice shall be included in all 11 | copies or substantial portions of the Software. 12 | 13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 19 | SOFTWARE. 20 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: rust 2 | rust: 3 | - stable 4 | - beta 5 | - nightly 6 | sudo: false 7 | script: 8 | - cargo build --verbose 9 | # don't run doc tests because they don't run well for macros 10 | - cargo test --verbose 11 | env: 12 | secure: "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" 13 | after_success: | 14 | [ $TRAVIS_RUST_VERSION = stable ] && 15 | [ $TRAVIS_BRANCH = master ] && 16 | [ $TRAVIS_PULL_REQUEST = false ] && 17 | cargo doc && 18 | echo "" > target/doc/index.html && 19 | pip install ghp-import --user && 20 | ~/.local/bin/ghp-import -n target/doc && 21 | git push -fq https://${GH_TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git gh-pages 22 | -------------------------------------------------------------------------------- /src/lib.rs: -------------------------------------------------------------------------------- 1 | //! Convertor of JSON text into gron format 2 | //! 3 | //! Gron is a representation that is easy to grep. Similarly to JSON 4 | //! it can be easily evaluated with javascript interpreter. 5 | //! 6 | //! * [Original gron](https://github.com/tomnomnom/gron) 7 | //! * [Documentation](https://tailhook.github.io/rust-gron/) 8 | #![warn(missing_docs)] 9 | 10 | extern crate rustc_serialize; 11 | extern crate serde_json; 12 | 13 | mod for_rustc_serialize; 14 | mod for_serde; 15 | 16 | use std::io::{self, Write}; 17 | 18 | 19 | /// An (internal) interface to gronify of json like data types 20 | /// 21 | /// You probably should not implement it yourself, it's here just to unify 22 | /// serde and rustc_serialize json structure. 23 | pub trait ToGron { 24 | /// Write gron style representation of `self` to `out` with `prefix` in 25 | /// front of. 26 | /// 27 | /// Returns `()` when write to `out` was successful. 28 | fn to_gron(&self, out: &mut W, prefix: &str) -> io::Result<()>; 29 | } 30 | 31 | /// Converts JSON structure from into gron format. 32 | /// 33 | /// It works both on `serde_json::Value` and on `rustc_serialize::json::Json` 34 | /// 35 | /// # Example 36 | /// 37 | /// ``` 38 | /// extern crate gron; 39 | /// extern crate serde_json; 40 | /// 41 | /// use std::io::stdout; 42 | /// use serde_json::value::Value; 43 | /// use serde_json::de; 44 | /// use gron::json_to_gron; 45 | /// 46 | /// # fn main() { 47 | /// let json: Value = de::from_str(r#"{"x": [1,2]}"#).unwrap(); 48 | /// json_to_gron(&mut stdout(), "val", &json); 49 | /// // Outputs to stdout: 50 | /// // 51 | /// // val = {} 52 | /// // val.x = [] 53 | /// // val.x[0] = 1 54 | /// // val.x[1] = 2 55 | /// # } 56 | /// 57 | /// ``` 58 | pub fn json_to_gron(out: &mut W, prefix: &str, json: &T) 59 | -> io::Result<()> 60 | { 61 | json.to_gron(out, prefix) 62 | } 63 | 64 | 65 | #[cfg(test)] 66 | mod test { 67 | use serde_json::de; 68 | use serde_json::value::Value; 69 | 70 | use rustc_serialize::json::Json; 71 | 72 | use ToGron; 73 | 74 | fn assert_equal(json_src: &str, gron: &str) { 75 | let mut serde_buf = Vec::new(); 76 | let serde_json = &de::from_str::(json_src).unwrap(); 77 | assert_eq!(serde_json.to_gron(&mut serde_buf, "json").is_ok(), true); 78 | assert_eq!(String::from_utf8(serde_buf).unwrap(), gron); 79 | 80 | let mut rustc_serialize_buf = Vec::new(); 81 | let rustc_serialize_json = &Json::from_str(json_src).unwrap(); 82 | assert_eq!(rustc_serialize_json.to_gron(&mut rustc_serialize_buf, "json").is_ok(), true); 83 | assert_eq!(String::from_utf8(rustc_serialize_buf).unwrap(), gron); 84 | } 85 | 86 | #[test] 87 | fn test_simple() { 88 | assert_equal(r#""x""#, "json = \"x\"\n"); 89 | assert_equal(r#"1"#, "json = 1\n"); 90 | assert_equal(r#"-1"#, "json = -1\n"); 91 | assert_equal(r#"1.5"#, "json = 1.5\n"); 92 | assert_equal(r#"null"#, "json = null\n"); 93 | assert_equal(r#"true"#, "json = true\n"); 94 | } 95 | 96 | #[test] 97 | fn test_map() { 98 | assert_equal( 99 | r#"{"x": 1, "y": 2}"#, "\ 100 | json = {}\n\ 101 | json.x = 1\n\ 102 | json.y = 2\n"); 103 | } 104 | 105 | #[test] 106 | fn test_vec() { 107 | assert_equal( 108 | r#"[1, 2, 3]"#, "\ 109 | json = []\n\ 110 | json[0] = 1\n\ 111 | json[1] = 2\n\ 112 | json[2] = 3\n\ 113 | "); 114 | } 115 | 116 | #[test] 117 | fn test_obj_in_list() { 118 | assert_equal( 119 | r#"[1, {"x": 1, "y": 2}, 3]"#, "\ 120 | json = []\n\ 121 | json[0] = 1\n\ 122 | json[1] = {}\n\ 123 | json[1].x = 1\n\ 124 | json[1].y = 2\n\ 125 | json[2] = 3\n\ 126 | "); 127 | } 128 | 129 | #[test] 130 | fn test_list_in_obj() { 131 | assert_equal( 132 | r#"{"a": 1, "x": [7, 8], "y": 2}"#, "\ 133 | json = {}\n\ 134 | json.a = 1\n\ 135 | json.x = []\n\ 136 | json.x[0] = 7\n\ 137 | json.x[1] = 8\n\ 138 | json.y = 2\n\ 139 | "); 140 | } 141 | } 142 | 143 | -------------------------------------------------------------------------------- /src/for_serde.rs: -------------------------------------------------------------------------------- 1 | use std::io::{self, Write}; 2 | use std::iter::Enumerate; 3 | use serde_json::map::Iter as MapIter; 4 | use std::slice::Iter as VecIter; 5 | 6 | use serde_json::value::Value; 7 | 8 | use super::ToGron; 9 | 10 | enum StackItem<'a> { 11 | MapIter(MapIter<'a>), 12 | VecIter(Enumerate>), 13 | } 14 | 15 | 16 | impl ToGron for Value { 17 | fn to_gron(&self, out: &mut W, prefix: &str) 18 | -> io::Result<()> 19 | { 20 | use self::StackItem::*; 21 | 22 | let mut stack = Vec::with_capacity(8); 23 | let mut namebuf = String::with_capacity(100); 24 | namebuf.push_str(prefix); 25 | match *self { 26 | Value::Number(ref value) => try!(writeln!(out, "{} = {}", namebuf, value)), 27 | Value::String(ref value) => { 28 | try!(writeln!(out, "{} = {:?}", namebuf, value)); 29 | } 30 | Value::Bool(value) => try!(writeln!(out, "{} = {}", namebuf, value)), 31 | Value::Array(ref vec) => { 32 | try!(writeln!(out, "{} = []", namebuf)); 33 | stack.push((VecIter(vec.iter().enumerate()), namebuf.len())); 34 | } 35 | Value::Object(ref keys) => { 36 | try!(writeln!(out, "{} = {{}}", namebuf)); 37 | stack.push((MapIter(keys.iter()), namebuf.len())); 38 | } 39 | Value::Null => try!(writeln!(out, "{} = null", namebuf)), 40 | } 41 | while stack.len() > 0 { 42 | let (kind, off) = stack.pop().unwrap(); 43 | namebuf.truncate(off); 44 | match kind { 45 | MapIter(mut iter) => { 46 | let (key, json) = match iter.next() { 47 | Some((key, json)) => (key, json), 48 | None => continue, 49 | }; 50 | stack.push((MapIter(iter), off)); 51 | match *json { 52 | Value::Number(ref value) => { 53 | try!(writeln!(out, "{}.{} = {}", 54 | namebuf, key, value)); 55 | } 56 | Value::String(ref value) => { 57 | try!(writeln!(out, "{}.{} = {:?}", 58 | namebuf, key, value)); 59 | } 60 | Value::Bool(value) => { 61 | try!(writeln!(out, "{}.{} = {}", 62 | namebuf, key, value)); 63 | } 64 | Value::Null => { 65 | try!(writeln!(out, "{}.{} = null", 66 | namebuf, key)); 67 | } 68 | Value::Array(ref vec) => { 69 | namebuf.push('.'); 70 | namebuf.push_str(key); 71 | try!(writeln!(out, "{} = []", namebuf)); 72 | stack.push(( 73 | VecIter(vec.iter().enumerate()), 74 | namebuf.len())); 75 | } 76 | Value::Object(ref keys) => { 77 | namebuf.push('.'); 78 | namebuf.push_str(key); 79 | try!(writeln!(out, "{} = {{}}", namebuf)); 80 | stack.push((MapIter(keys.iter()), namebuf.len())); 81 | } 82 | } 83 | } 84 | VecIter(mut iter) => { 85 | let (index, json) = match iter.next() { 86 | Some((index, json)) => (index, json), 87 | None => continue, 88 | }; 89 | stack.push((VecIter(iter), off)); 90 | match *json { 91 | Value::Number(ref value) => { 92 | try!(writeln!(out, "{}[{}] = {}", 93 | namebuf, index, value)); 94 | } 95 | Value::String(ref value) => { 96 | try!(writeln!(out, "{}[{}] = {:?}", 97 | namebuf, index, value)); 98 | } 99 | Value::Bool(value) => { 100 | try!(writeln!(out, "{}[{}] = {}", 101 | namebuf, index, value)); 102 | } 103 | Value::Null => { 104 | try!(writeln!(out, "{}[{}] = null", 105 | namebuf, index)); 106 | } 107 | Value::Array(ref vec) => { 108 | use std::fmt::Write; 109 | write!(&mut namebuf, "[{}]", index).unwrap(); 110 | try!(writeln!(out, "{} = []", namebuf)); 111 | stack.push(( 112 | VecIter(vec.iter().enumerate()), 113 | namebuf.len())); 114 | } 115 | Value::Object(ref keys) => { 116 | use std::fmt::Write; 117 | write!(&mut namebuf, "[{}]", index).unwrap(); 118 | try!(writeln!(out, "{} = {{}}", namebuf)); 119 | stack.push((MapIter(keys.iter()), namebuf.len())); 120 | } 121 | } 122 | } 123 | } 124 | } 125 | Ok(()) 126 | } 127 | } 128 | -------------------------------------------------------------------------------- /src/for_rustc_serialize.rs: -------------------------------------------------------------------------------- 1 | use std::io::{self, Write}; 2 | use std::iter::Enumerate; 3 | use std::collections::btree_map::Iter as MapIter; 4 | use std::slice::Iter as VecIter; 5 | 6 | use rustc_serialize::json::Json; 7 | 8 | use super::ToGron; 9 | 10 | 11 | enum StackItem<'a> { 12 | MapIter(MapIter<'a, String, Json>), 13 | VecIter(Enumerate>), 14 | } 15 | 16 | 17 | impl ToGron for Json { 18 | fn to_gron(&self, out: &mut W, prefix: &str) 19 | -> io::Result<()> 20 | { 21 | use self::StackItem::*; 22 | 23 | let mut stack = Vec::with_capacity(8); 24 | let mut namebuf = String::with_capacity(100); 25 | namebuf.push_str(prefix); 26 | match *self { 27 | Json::I64(value) => try!(writeln!(out, "{} = {}", namebuf, value)), 28 | Json::U64(value) => try!(writeln!(out, "{} = {}", namebuf, value)), 29 | Json::F64(value) => try!(writeln!(out, "{} = {}", namebuf, value)), 30 | Json::String(ref value) => { 31 | try!(writeln!(out, "{} = {:?}", namebuf, value)); 32 | } 33 | Json::Boolean(value) => try!(writeln!(out, "{} = {}", namebuf, value)), 34 | Json::Array(ref vec) => { 35 | try!(writeln!(out, "{} = []", namebuf)); 36 | stack.push((VecIter(vec.iter().enumerate()), namebuf.len())); 37 | } 38 | Json::Object(ref keys) => { 39 | try!(writeln!(out, "{} = {{}}", namebuf)); 40 | stack.push((MapIter(keys.iter()), namebuf.len())); 41 | } 42 | Json::Null => try!(writeln!(out, "{} = null", namebuf)), 43 | } 44 | while stack.len() > 0 { 45 | let (kind, off) = stack.pop().unwrap(); 46 | namebuf.truncate(off); 47 | match kind { 48 | MapIter(mut iter) => { 49 | let (key, json) = match iter.next() { 50 | Some((key, json)) => (key, json), 51 | None => continue, 52 | }; 53 | stack.push((MapIter(iter), off)); 54 | match *json { 55 | Json::I64(value) => { 56 | try!(writeln!(out, "{}.{} = {}", 57 | namebuf, key, value)); 58 | } 59 | Json::U64(value) => { 60 | try!(writeln!(out, "{}.{} = {}", 61 | namebuf, key, value)); 62 | } 63 | Json::F64(value) => { 64 | try!(writeln!(out, "{}.{} = {}", 65 | namebuf, key, value)); 66 | } 67 | Json::String(ref value) => { 68 | try!(writeln!(out, "{}.{} = {:?}", 69 | namebuf, key, value)); 70 | } 71 | Json::Boolean(value) => { 72 | try!(writeln!(out, "{}.{} = {}", 73 | namebuf, key, value)); 74 | } 75 | Json::Null => { 76 | try!(writeln!(out, "{}.{} = null", 77 | namebuf, key)); 78 | } 79 | Json::Array(ref vec) => { 80 | namebuf.push('.'); 81 | namebuf.push_str(key); 82 | try!(writeln!(out, "{} = []", namebuf)); 83 | stack.push(( 84 | VecIter(vec.iter().enumerate()), 85 | namebuf.len())); 86 | } 87 | Json::Object(ref keys) => { 88 | namebuf.push('.'); 89 | namebuf.push_str(key); 90 | try!(writeln!(out, "{} = {{}}", namebuf)); 91 | stack.push((MapIter(keys.iter()), namebuf.len())); 92 | } 93 | } 94 | } 95 | VecIter(mut iter) => { 96 | let (index, json) = match iter.next() { 97 | Some((index, json)) => (index, json), 98 | None => continue, 99 | }; 100 | stack.push((VecIter(iter), off)); 101 | match *json { 102 | Json::I64(value) => { 103 | try!(writeln!(out, "{}[{}] = {}", 104 | namebuf, index, value)); 105 | } 106 | Json::U64(value) => { 107 | try!(writeln!(out, "{}[{}] = {}", 108 | namebuf, index, value)); 109 | } 110 | Json::F64(value) => { 111 | try!(writeln!(out, "{}[{}] = {}", 112 | namebuf, index, value)); 113 | } 114 | Json::String(ref value) => { 115 | try!(writeln!(out, "{}[{}] = {:?}", 116 | namebuf, index, value)); 117 | } 118 | Json::Boolean(value) => { 119 | try!(writeln!(out, "{}[{}] = {}", 120 | namebuf, index, value)); 121 | } 122 | Json::Null => { 123 | try!(writeln!(out, "{}[{}] = null", 124 | namebuf, index)); 125 | } 126 | Json::Array(ref vec) => { 127 | use std::fmt::Write; 128 | write!(&mut namebuf, "[{}]", index).unwrap(); 129 | try!(writeln!(out, "{} = []", namebuf)); 130 | stack.push(( 131 | VecIter(vec.iter().enumerate()), 132 | namebuf.len())); 133 | } 134 | Json::Object(ref keys) => { 135 | use std::fmt::Write; 136 | write!(&mut namebuf, "[{}]", index).unwrap(); 137 | try!(writeln!(out, "{} = {{}}", namebuf)); 138 | stack.push((MapIter(keys.iter()), namebuf.len())); 139 | } 140 | } 141 | } 142 | } 143 | } 144 | Ok(()) 145 | } 146 | } 147 | -------------------------------------------------------------------------------- /LICENSE-APACHE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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