WIP of json-schema schema for OSM data

data.json

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "OSM Data",
  "description": "OSM Data, as returned by the API",
  "type": "object",
  "properties": {
    "version": {
      "description": "The OSM API version",
      "type": "string",
      "enum": ["0.6"]
    },
    "generator": {
      "description": "The software used to generate the OSM JSON.",
      "type": "string"
    },
    "copyright": {
      "description": "The copyright of the data.",
      "type": "string"
    },
    "attribution": {
      "description": "The required attribution URL of the data.",
      "type": "string"
    },
    "license": {
      "description": "The URL of the license for the data.",
      "type": "string"
    },
    "bounds": {
      "description": "The bounding box for the area downloaded.",
      "type": "object",
      "properties": {
        "minlat" : {
          "description": "The minimum latitude of the bounding box",
          "type": "number",
          "minimum": -90.0,
          "maximum": 90.0
        },
        "maxlat" : {
          "description": "The maximum latitude of the bounding box",
          "type": "number",
          "minimum": -90.0,
          "maximum": 90.0
        },
        "minlon" : {
          "description": "The minimum latitude of the bounding box",
          "type": "number",
          "minimum": -180.0,
          "maximum": 180
        },
        "maxlon" : {
          "description": "The maximum longitude of the bounding box",
          "type": "number",
          "minimum": -180.0,
          "maximum": 180
        }
      }
    },
    "nodes": {
      "description": "The OSM nodes in the file",
      "type": "array",
      "items": {
        "anyOf": [
          {
            "description": "A visible OSM node",
            "type": "object",
            "properties": {
              "visible": {
                "description": "If the node is visible (not deleted) in this version or not",
                "type": "boolean",
                "enum": [true]
              },
              "id": {
                "description": "The ID of the node",
                "$ref": "#/definitions/id"
              },
              "version": {
                "description": "The version of the node",
                "type": "integer",
                "minimum": 1
              },
              "lat": {
                "description": "The latitude of the node",
                "type": "number",
                "minimum": -90.0,
                "maximum": 90.0
              },
              "lon": {
                "description": "The longitude of the node",
                "type": "number",
                "minimum": -180.0,
                "maximum": 180
              },
              "changeset": {
                "description": "The changeset this version of this node was edited in",
                "$ref": "#/definitions/id"
              },
              "uid": {
                "description": "The user id",
                "$ref": "#/definitions/id"
              },
              "user": {
                "description": "The user name",
                "type": "string"
              },
              "timestamp": {
                "description": "The ISO 8601 combined date/time formatted time when this version of this node was modified at",
                "type": "string"
              },
              "tags": {
                "$ref": "#/definitions/tags"
              }
            },
            "required": ["visible", "id", "version", "lat", "lon", "changeset", "timestamp", "tags"]
          },
          {
            "description": "An anonymous visible OSM node",
            "type": "object",
            "properties": {
              "visible": {
                "description": "If the node is visible (not deleted) in this version or not",
                "type": "boolean",
                "enum": [true]
              },
              "id": {
                "description": "The ID of the node",
                "$ref": "#/definitions/id"
              },
              "version": {
                "description": "The version of the node",
                "type": "integer",
                "minimum": 1
              },
              "lat": {
                "description": "The latitude of the node",
                "type": "number",
                "minimum": -90.0,
                "maximum": 90.0
              },
              "lon": {
                "description": "The longitude of the node",
                "type": "number",
                "minimum": -180.0,
                "maximum": 180
              },
              "changeset": {
                "description": "The changeset this version of this node was edited in",
                "$ref": "#/definitions/id"
              },
              "uid": {
                "description": "The user id",
                "type": "null"
              },
              "user": {
                "description": "The user name",
                "type": "null"
              },
              "timestamp": {
                "description": "The ISO 8601 combined date/time formatted time when this version of this node was modified at",
                "type": "string"
              },
              "tags": {
                "$ref": "#/definitions/tags"
              }
            },
            "required": ["visible", "id", "version", "lat", "lon", "changeset", "timestamp", "tags"]
          },
          {
            "description": "A deleted OSM node",
            "type": "object",
            "properties": {
              "visible": {
                "description": "If the node is visible (not deleted) in this version or not",
                "type": "boolean",
                "enum": [false]
              },
              "id": {
                "description": "The ID of the node",
                "$ref": "#/definitions/id"
              },
              "version": {
                "description": "The version of the node",
                "type": "integer",
                "minimum": 1
              },
              "lat": {
                "description": "The latitude of the node",
                "type": "null"
              },
              "lon": {
                "description": "The longitude of the node",
                "type": "null"
              },
              "changeset": {
                "description": "The changeset this version of this node was edited in",
                "$ref": "#/definitions/id"
              },
              "uid": {
                "description": "The user id",
                "$ref": "#/definitions/id"
              },
              "user": {
                "description": "The user name",
                "type": "string"
              },
              "timestamp": {
                "description": "The ISO 8601 combined date/time formatted time when this version of this node was modified at",
                "type": "string"
              },
              "tags": {
                "$ref": "#/definitions/untagged"
              }
            },
            "required": ["visible", "id", "version", "lat", "lon", "changeset", "timestamp", "tags"]
          }
          {
            "description": "A deleted OSM node",
            "type": "object",
            "properties": {
              "visible": {
                "description": "If the node is visible (not deleted) in this version or not",
                "type": "boolean",
                "enum": [false]
              },
              "id": {
                "description": "The ID of the node",
                "$ref": "#/definitions/id"
              },
              "version": {
                "description": "The version of the node",
                "type": "integer",
                "minimum": 1
              },
              "lat": {
                "description": "The latitude of the node",
                "type": "null"
              },
              "lon": {
                "description": "The longitude of the node",
                "type": "null"
              },
              "changeset": {
                "description": "The changeset this version of this node was edited in",
                "$ref": "#/definitions/id"
              },
              "uid": {
                "description": "The user id",
                "type": "null"
              },
              "user": {
                "description": "The user name",
                "type": "null"
              },
              "timestamp": {
                "description": "The ISO 8601 combined date/time formatted time when this version of this node was modified at",
                "type": "string"
              },
              "tags": {
                "$ref": "#/definitions/untagged"
              }
            },
            "required": ["visible", "id", "version", "lat", "lon", "changeset", "timestamp", "tags"]
          }
        ]
      }
    }
  },
  "required": ["version", "nodes"],
  "definitions": {
    "id": {
        "type": "integer",
        "minimum": 1
    },
    "tags": {
      "description": "The tags of the object",
      "type": "object",
      "patternProperties": {
        "^.+$": {
          "type": "string",
          "minLength": 0
        }
      }
    },
    "untagged": {
      "description": "The tags of the object",
      "type": "object",
      "maxProperties": 0
    }
  }
}