schema.json

{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "X-Wing Squadron Format Schema",
    "description": "A squadron for the X-Wing Miniatures Game in app-independent format for sharing, saving and moving between apps.",
    "type": "object",
    "required": ["version","faction","pilots"],
    "additionalProperties" : false,
    "properties": {
        "version": {
            "type": "string",
            "pattern" : "^[0-9]+\.[0-9]+\.[0-9]+$",
            "description": "The version of the XWS spec used to create this data"
        },
        "name": {
            "type": "string",
            "description": "The name of the squadron."
        },
        "points": {
            "type": "integer",
            "description": "The total points spent creating this squadron."
        },
        "faction": {
            "type": "string",
            "enum": [ "rebels", "empire", "scum" ],
            "description": "The faction this squadron belongs to."
        },
        "description": {
            "type": "string",
            "description": "A description of this squadron."
        },
        "pilots": {
            "type": "array",
            "description": "The members of this squadron.",
            "items": {
                "type": "object",
                "minItems": 1,
                "required": ["name","ship"],
                "additionalProperties" : false,
                "properties": {
                    "name": {
                        "type": "string",
                        "pattern" : "^[0-9a-z]+$"
                    },
                    "ship": {
                        "type": "string",
                        "pattern" : "^[0-9a-z]+$"
                    },
                    "upgrades": {
                        "type": "object",
                        "additionalProperties": false,
                        "minProperties": 1,
                        "patternProperties": {
                            "^[0-9a-z]+$": {
                                "type": "array",
                                "minItems": 1,
                                "items": {
                                    "type": "string",
                                    "pattern" : "^[0-9a-z]+$"
                                }
                            }
                        }
                     },
                     "vendor": {
                        "type": "object",
                         "minProperties": 1,
                         "maxProperties": 1,
                         "description": "An extensible object containing app-specific data. Developers should put extra data here under their own namespace."
                     }
                }
            }
        },
        "vendor": {
            "type": "object",
            "minProperties": 1,
            "maxProperties": 1,
            "description": "An extensible object containing app-specific data. Developers should put extra data here under their own namespace."
        }
    }
}