{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "https://raw.githubusercontent.com/microsoft/vcpkg/master/scripts/vcpkg.schema.json",
  "title": "Vcpkg manifest",
  "description": "Vcpkg manifest file. See https://github.com/microsoft/vcpkg/blob/master/docs/specifications/manifests.md.",
  "definitions": {
    "identifier": {
      "description": "Identifiers used for feature names.",
      "allOf": [
        {
          "description": "Identifier are lowercase with digits and dashes.",
          "type": "string",
          "pattern": "[a-z0-9]+(-[a-z0-9]+)*"
        },
        {
          "not": {
            "description": "Identifiers must not be a Windows filesystem or vcpkg reserved name.",
            "type": "string",
            "pattern": "^prn|aux|nul|con|lpt[1-9]|com[1-9]|core|default$"
          }
        }
      ]
    },
    "version-text": {
      "type": "string",
      "pattern": "[^#]+"
    },
    "has-schemed-version": {
      "type": "object",
      "oneOf": [
        {
          "properties": {
            "version-string": {
              "description": "Text used to identify an arbitrary version",
              "type": "string",
              "pattern": "^[^#]+$"
            }
          },
          "required": [
            "version-string"
          ]
        },
        {
          "properties": {
            "version": {
              "description": "A relaxed version string (1.2.3.4...)",
              "type": "string",
              "pattern": "^\\d+(\\.\\d+)*$"
            }
          },
          "required": [
            "version"
          ]
        },
        {
          "properties": {
            "version-semver": {
              "description": "A semantic version string. See https://semver.org/",
              "type": "string",
              "pattern": "^\\d+\\.\\d+\\.\\d+([+-].+)?$"
            }
          },
          "required": [
            "version-semver"
          ]
        },
        {
          "properties": {
            "version-date": {
              "description": "A date version string (e.g. 2020-01-20)",
              "type": "string",
              "pattern": "^\\d{4}-\\d{2}-\\d{2}(\\.\\d+)*$"
            }
          },
          "required": [
            "version-date"
          ]
        }
      ]
    },
    "port-version": {
      "description": "A non-negative integer indicating the port revision. If this field doesn't exist, it's assumed to be `0`.",
      "type": "integer",
      "minimum": 0,
      "default": 0
    },
    "package-name": {
      "description": "Name of a package.",
      "allOf": [
        {
          "description": "Package name must be a dot-separated list of valid identifiers",
          "type": "string",
          "pattern": "^[a-z0-9]+(-[a-z0-9]+)*(\\.[a-z0-9]+(-[a-z0-9]+)*)*$"
        },
        {
          "not": {
            "description": "Identifiers must not be a Windows filesystem or vcpkg reserved name.",
            "type": "string",
            "pattern": "(^|\\.)(prn|aux|nul|con|lpt[1-9]|com[1-9]|core|default)(\\.|$)"
          }
        }
      ]
    },
    "description-field": {
      "description": "A string or array of strings containing the description of a package or feature.",
      "oneOf": [
        {
          "type": "string"
        },
        {
          "type": "array",
          "items": {
            "type": "string"
          }
        }
      ]
    },
    "dependency-object": {
      "description": "Expanded form of a dependency with explicit features and platform.",
      "type": "object",
      "properties": {
        "name": {
          "$ref": "#/definitions/package-name"
        },
        "features": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/identifier"
          }
        },
        "default-features": {
          "type": "boolean",
          "default": true
        },
        "platform": {
          "$ref": "#/definitions/platform-expression"
        },
        "version>=": {
          "description": "Minimum required version",
          "type": "string",
          "pattern": "^[^#]+(#\\d+)?$"
        }
      },
      "patternProperties": {
        "^\\$": {}
      },
      "required": [
        "name"
      ],
      "additionalProperties": false
    },
    "dependency": {
      "description": "A dependency fetchable by Vcpkg.",
      "oneOf": [
        {
          "$ref": "#/definitions/package-name"
        },
        {
          "$ref": "#/definitions/dependency-object"
        }
      ]
    },
    "override": {
      "description": "A version override.",
      "type": "object",
      "properties": {
        "name": {
          "$ref": "#/definitions/identifier"
        },
        "version": {
          "$ref": "#/definitions/version-text"
        },
        "port-version": {
          "$ref": "#/definitions/port-version"
        }
      },
      "patternProperties": {
        "^\\$": {}
      },
      "required": [
        "name",
        "version"
      ]
    },
    "platform-expression": {
      "description": "A specification of a set of platforms. See https://github.com/microsoft/vcpkg/blob/master/docs/specifications/manifests.md#definitions.",
      "type": "string"
    },
    "feature": {
      "description": "A package feature that can be activated by consumers.",
      "type": "object",
      "properties": {
        "name": {
          "$ref": "#/definitions/identifier"
        },
        "description": {
          "$ref": "#/definitions/description-field"
        },
        "dependencies": {
          "description": "Dependencies used by this feature.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/dependency"
          }
        }
      },
      "patternProperties": {
        "^\\$": {}
      },
      "required": [
        "name",
        "description"
      ],
      "additionalProperties": false
    }
  },
  "type": "object",
  "allOf": [
    {
      "properties": {
        "name": {
          "description": "The name of the top-level package",
          "$ref": "#/definitions/package-name"
        },
        "version-string": {},
        "version": {},
        "version-date": {},
        "version-semver": {},
        "port-version": {
          "$ref": "#/definitions/port-version"
        },
        "maintainers": {
          "description": "An array of strings which contain the authors of a package",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "description": {
          "$ref": "#/definitions/description-field"
        },
        "homepage": {
          "description": "A url which points to the homepage of a package.",
          "type": "string",
          "format": "uri"
        },
        "documentation": {
          "description": "A url which points to the documentation of a package.",
          "type": "string",
          "format": "uri"
        },
        "license": {
          "description": "An SPDX license expression at version 3.9.",
          "type": "string"
        },
        "builtin-baseline": {
          "description": "A vcpkg repository commit for version control.",
          "type": "string"
        },
        "dependencies": {
          "description": "Dependencies that are always required.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/dependency"
          }
        },
        "overrides": {
          "description": "Version overrides for dependencies.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/override"
          }
        },
        "dev-dependencies": {
          "description": "Dependencies only required for developers (testing and the like).",
          "type": "array",
          "items": {
            "$ref": "#/definitions/dependency"
          }
        },
        "features": {
          "description": "An array of features supported by the package",
          "type": "array",
          "items": {
            "$ref": "#/definitions/feature"
          }
        },
        "default-features": {
          "description": "Features enabled by default with the package.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/identifier"
          }
        },
        "supports": {
          "$ref": "#/definitions/platform-expression"
        }
      },
      "patternProperties": {
        "^\\$": {}
      },
      "required": [
        "name"
      ],
      "additionalProperties": false
    },
    {
      "$ref": "#/definitions/has-schemed-version"
    }
  ]
}