template_schema.json

{
    "$schema": "http://json-schema.org/schema#",
    "type": "object",
    "definitions": {
        "fileDimensions": {
            "type": "object",
            "patternProperties": {
                "^[A-Za-z][A-Za-z0-9_]*$": {
                    "type": ["integer", "null"],
                    "minimum": 0
                }
            },
            "additionalProperties": false
        },
        "fileVariables": {
            "type": "object",
            "patternProperties": {
                "^[A-Za-z][A-Za-z0-9_]*$": {"$ref": "#/definitions/variableDefinition"}
            },
            "additionalProperties": false
        },
        "variableDefinition": {
            "type": "object",
            "properties": {
                "_dimensions": {"$ref": "#/definitions/variableDimensionsList"},
                "_datatype": {"$ref": "#/definitions/dataTypeDefinition"},
                "_FillValue": {"type": ["number", "string"]},
                "_fill_value": {"type": ["number", "string"]},
                "_zlib": {"type":  "boolean"},
                "_complevel": {"enum": [1, 2, 3, 4, 5, 6, 7, 8, 9]},
                "_shuffle": {"type":  "boolean"},
                "_fletcher32": {"type":  "boolean"},
                "_contiguous": {"type":  "boolean"},
                "_chunksizes": {},
                "_endian": {"enum": ["little", "big", "native"]},
                "_least_significant_digit": {"type": "integer"},
                "_data": {"type": ["null", "number", "array"]}
            },
            "patternProperties": {
                "^[A-Za-z][A-Za-z0-9_]*$": {"$ref": "#/definitions/attributeDefinition"}
            },
            "additionalProperties": false
        },
        "variableDimensionsList": {
            "type": "array",
            "items": {"type": "string", "pattern": "^[A-Za-z][A-Za-z0-9_]*$"}
        },
        "attributeDefinition": {
            "type": ["string", "number", "array"]
        },
        "dataTypeDefinition": {
            "anyOf": [
                {
                    "type": "string",
                    "enum": [
                        "int", "int8", "int16", "int32", "int64",
                        "float", "float32", "float64", "double",
                        "S1", "c", "i1", "b", "B", "u1", "i2", "h", "s", "u2", "i4", "i", "l", "u4",
                        "i8", "u8", "f4", "f", "f8", "d"
                    ]
                },
                {"format": "datatype"}
            ]
        }
    },
    "properties": {
        "_dimensions": {"$ref": "#/definitions/fileDimensions"},
        "_variables": {"$ref": "#/definitions/fileVariables"}
    },
    "patternProperties": {
        "^[A-Za-z][A-Za-z0-9_]*$": {"$ref": "#/definitions/attributeDefinition"}
    },
    "additionalProperties": false
}