https://github.com/zslucky/advance-search-grammer-parser

a grammer for advance search
https://github.com/zslucky/advance-search-grammer-parser

Last synced: about 6 hours ago
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a grammer for advance search

• Host: GitHub
• URL: https://github.com/zslucky/advance-search-grammer-parser
• Owner: zslucky
• Created: 2018-09-10T08:58:03.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2018-09-11T09:25:48.000Z (over 6 years ago)
• Last Synced: 2024-11-10T04:38:05.709Z (about 2 months ago)
• Language: JavaScript
• Size: 17.6 KB
• Stars: 3
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# advance-search-grammer-parser

A grammer parser for advance search

---

### Usage

```javascript

import { parse } from 'advance-search-grammer-parser'

const ast = parse('name: "a" and age: 18 and gender: 0 or name: not "b"')

```

### Grammer

Here are the all support grammers

#### Basic Usage

Expressions are consist of many `key:value` like words, So the basic grammer is:

```

[key]:[value] {(and|or) [key]:[value]}*

e.g.

name: "lucky" and age: 18 or name: "lucy"

// Group conditions

name: "lucky" and (age: 18 or name: "lucy")

// Reverse result

name: not "lucky"

```

#### Value Types

- `String` : `name: "lucky"` , wrapped by double quotation.

- `Float` : `height: 168.5` , `length: -2.2` .

- `Number` : `age: 18` .

- `Boolean` : `male: true` .

- `Function` : `user: current_user()` , `deadline: date("1y1m2d", 2, current_user())`

- Group:

  - `In` : `user: <"1", "2", current_user()>` .

  - `Contain` : `tag: |"red", "small"|` .

  - `Range` : `date: [ 150000000 TO 157000000 ]` , `date: { date("1y2m3d") TO 157000000 ]`