Categories > Data structure > rex_hash

Introduction

Manipulate JSON data.

Links

• Plugin
• ACE table
• Discussion thread

Dependence

None

Usage

Load

Action:Load JSON

Content

Expression:AsJSON

Dictionary

Write

• Action:Set value
• Action:Add to (Sample capx)
• Action:Set JSON
• Action:Remove key
• Action:Clean all
• Action:Merge, to merge another JSON (Sample capx)

Parameter Key is a string with dot notation. For example, content is

 
xxxxxxxxxx
{
  "a":10,
  "b":{
    "c":30
  },
  "d": 40
}

Set root.b.c by key b.c.

New object will be created if not exists.

Read

Read a value

• Expression:At( keys ), keys in a string with dot notation

  • Expression:At( "" ), returns root

• Expression:At( keys , defaultValue ), return defaultValue if keys is not existed

• Expression:AtKeys( key0, key1, ... ), keys in parameters

For example get value at root.b.c :

 
xxxxxxxxxx
Expression:At( "b.c" ),
Expression:AtKeys( "b", "c" )

• Condition:Key exists, returns true if key is existed
• Expression:RandomKeyAt, returns a random key in object

Retrieve keys in object

• Condition:For each item Sample capx

  • Condition:For each item

  • Expression:CurKey

    • Expression:CurValue( keys ), child in current item

  • Expression:Loopindex, loop index of current for each

• Action:Pick keys, put all keys in object into an official array. Sample capx

• Expression:ItemCnt, amount of keys in object

  • 0 : this object is a number or a string
  • -1 : object is not existed

Array

Write

• Initial an array

  • Action:Set JSON with parameter JSON to []

• Push

  • Action:Push value
  • Action:Push JSON Sample capx

• Insert

  • Action:Insert value
  • Action:Insert JSON

• Remove

  • Action:Remove key

• Array length

  • Expression:ItemCnt

• Order

  • Action:Sort Sample capx
  • Action:Shuffle Sample capx

Read

Read a value

• Expression:At( keys ), keys in a string with dot notation
• Expression:AtKeys( key0, key1, ... )

• Expression:Pop, pop the last item

  • Expression:Pop(keys, index), pop item at index

Retrieve keys in array

• Condition:For each item Sample capx

  • Condition:For each item

  • Expression:CurKey

    • Expression:CurValue( keys ), child in current item

  • Expression:Loopindex, loop index of current for each

• System condition:For, from 0 to Expression:ItemCnt - 1

Save&Load

This plugin support official save/load system.