json-graph-style-schema.yaml

$schema: http://json-schema.org/schema#
description: Graph Style Format Schema

# The noderules and edgerules are processed in order to match
#   the (attr, operator, compareValue) triple. The first
#   match wins so put more specific matches before more general
#   match values.

oneOf:
- type: object
  properties:
    graphStyle:
      $ref: '#/definitions/graphStyle'
  additionalProperties: false
  required:
  - graphStyle
- type: object
  properties:
    graphStyles:
      type: array
      items:
        $ref: '#/definitions/graphStyle'
definitions:
  graphStyle:
    type: object
    properties:
      canvas:
        $ref: '#/definitions/canvasRule'
      nodes:
        $ref: '#/definitions/nodeRules'
      edges:
        $ref: '#/definitions/edgeRules'
    required:
    - nodes
  canvasRule:
    type: object
    properties:
      label:
        type: string
      background-color:
        type: string
      metadata:
        type:
        - object
        - 'null'
    additionalProperties: false
  nodeRule:
    type: object
    properties:
      label:
        type: string
      attr:
        type: string
      operator:
        type: string
        enum:
        - ==
        - <=
        - '>='
        - <
        - '>'
        - has  # substring match anywhere in attr string
        - all
        - regex  # regex match in attr string
        - startswith  # starts with compareValue in attr string
        - endswith  # ends with compareValue in attr string
      compareValue:
        type: string
      styles:
        $ref: '#/definitions/nodeStyles'
      metadata:
        type:
        - object
        - 'null'
    required:
    - styles
    additionalProperties: false
  nodeRules:
    type: array
    items:
      $ref: '#/definitions/nodeRule'
    additionalItems: false
  edgeRule:
    type: object
    properties:
      label:
        type: string
      attr:
        type: string
      operator:
        type: string
        enum:
        - ==
        - <=
        - '>='
        - <
        - '>'
        - has  # substring match anywhere in attr string
        - all
        - regex  # regex match in attr string
        - startswith  # starts with compareValue in attr string
        - endswith  # ends with compareValue in attr string
      compareValue:
        type: string
      styles:
        $ref: '#/definitions/edgeStyles'
      metadata:
        type:
        - object
        - 'null'
    additionalProperties: false
  edgeRules:
    type: array
    items:
      $ref: '#/definitions/edgeRule'
    additionalItems: false
  nodeStyles:
    type: object
    properties:
      shape:
        type: string
        enum:
        - square
        - rectangle
        - parallelogram
        - ellipse
        - kite
        - circle
        - pentagon
        - hexagon
        - octagon
        - cross
        - diamond
        - triangle-down
        - triangle-up
        - rhombus
        - star
      fill:
        type: string
      size:
        type: number
      stroke:
        type: string
      stroke-dasharray:
        type: string
        enum:
        - '0'
        - 5,5
        - 5,10
        - 10,5
        - 5,1
        - 1,5
        - '2'
        - 15,10,5
        - 15,10,5,10
        - 15,10,5,10,15
      stroke-width:
        type: number
  edgeStyles:
    type: object
    properties:
      stroke:
        type: string
      stroke-dasharray:
        type: string
        enum:
        - '0'
        - 5,5
        - 5,10
        - 10,5
        - 5,1
        - 1,5
        - '2'
        - 15,10,5
        - 15,10,5,10
        - 15,10,5,10,15
      stroke-width:
        type: number
      marker-end-shape:
        type: string
        enum:
        - arrow
        - arrow-short
        - circle
        - delta
        - delta-short-1
        - delta-short-2
        - diamond
        - diamond-short-1
        - diamond-short-2
        - half-bottom
        - half-top
        - t
      marker-start-shape:
        type: string
        enum:
        - arrow
        - arrow-short
        - circle
        - delta
        - delta-short-1
        - delta-short-2
        - diamond
        - diamond-short-1
        - diamond-short-2
        - half-bottom
        - half-top
        - t
      curved:
        type: boolean
        default: false