{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Table JSON format draft 0.3",
  "description": "Structural row view. References, spans, hierarchy, Unicode scalar values and marker positions require additional checks in docs/table-format.md.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema_version",
    "id",
    "headers",
    "columns",
    "rows"
  ],
  "properties": {
    "schema_version": {
      "const": "0.3"
    },
    "id": {
      "$ref": "#/$defs/id"
    },
    "title": {
      "$ref": "#/$defs/textBlock"
    },
    "label_columns": {
      "type": "integer",
      "minimum": 1,
      "default": 1
    },
    "headers": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/header"
      }
    },
    "columns": {
      "type": "array",
      "minItems": 1,
      "items": {
        "$ref": "#/$defs/column"
      }
    },
    "rows": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/row"
      }
    },
    "notes": {
      "type": "array",
      "default": [],
      "items": {
        "$ref": "#/$defs/note"
      }
    },
    "note_refs": {
      "$ref": "#/$defs/noteRefs"
    }
  },
  "$defs": {
    "id": {
      "type": "string",
      "minLength": 1
    },
    "noteRefs": {
      "type": "array",
      "uniqueItems": true,
      "default": [],
      "items": {
        "$ref": "#/$defs/id"
      }
    },
    "textBlock": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "text"
      ],
      "properties": {
        "text": {
          "type": "string"
        },
        "note_refs": {
          "$ref": "#/$defs/noteRefs"
        },
        "markers": {
          "$ref": "#/$defs/markers"
        },
        "unclear": {
          "type": "boolean"
        }
      }
    },
    "header": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "text"
      ],
      "properties": {
        "id": {
          "$ref": "#/$defs/id"
        },
        "text": {
          "type": "string"
        },
        "note_refs": {
          "$ref": "#/$defs/noteRefs"
        },
        "markers": {
          "$ref": "#/$defs/markers"
        },
        "unclear": {
          "type": "boolean"
        }
      }
    },
    "column": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "headers"
      ],
      "properties": {
        "id": {
          "$ref": "#/$defs/id"
        },
        "headers": {
          "type": "array",
          "uniqueItems": true,
          "items": {
            "$ref": "#/$defs/id"
          }
        }
      }
    },
    "row": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "cells"
      ],
      "properties": {
        "id": {
          "$ref": "#/$defs/id"
        },
        "cells": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/cell"
          }
        }
      }
    },
    "cell": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "columns",
        "text"
      ],
      "properties": {
        "id": {
          "$ref": "#/$defs/id"
        },
        "columns": {
          "type": "array",
          "minItems": 1,
          "uniqueItems": true,
          "items": {
            "$ref": "#/$defs/id"
          }
        },
        "text": {
          "type": "string"
        },
        "rowspan": {
          "type": "integer",
          "minimum": 1,
          "default": 1
        },
        "note_refs": {
          "$ref": "#/$defs/noteRefs"
        },
        "markers": {
          "$ref": "#/$defs/markers"
        },
        "unclear": {
          "type": "boolean"
        },
        "level": {
          "type": "integer",
          "minimum": 0
        }
      }
    },
    "note": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "text"
      ],
      "properties": {
        "id": {
          "$ref": "#/$defs/id"
        },
        "label": {
          "type": "string",
          "minLength": 1
        },
        "text": {
          "type": "string"
        },
        "unclear": {
          "type": "boolean"
        }
      }
    },
    "markers": {
      "type": "array",
      "default": [],
      "items": {
        "$ref": "#/$defs/marker"
      }
    },
    "marker": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "at",
        "text"
      ],
      "properties": {
        "at": {
          "type": "integer",
          "minimum": 0
        },
        "text": {
          "type": "string",
          "minLength": 1,
          "pattern": "\\S"
        },
        "note_ref": {
          "$ref": "#/$defs/id"
        }
      }
    }
  }
}