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finite chained glyph lookup audit

A font/layout fixture maintainer checks whole output glyphs and execution-event claims against original logical glyphs, ordered context rules and nested Single or first internal2-to-1 Ligature records. Own nonexpanding normalized HarfBuzz10.4.0 reader profile, commit3ef8709829a5884517ad91a97b32b9435b2f20d1. Flags0 and neutral metadata; no mark skipping, font download, general OpenType/HarfBuzz conformance or rendering judgment. Missing capture stays unknown; known counterclaims dominate..

POST https://datenvertrag.halowerk.com/v1/finite-chained-glyph-lookup-audit

Eingaben

Felder des veröffentlichten Eingabeschemas
FeldTypPflichtBeschreibung
glyphsarrayJa
top_lookupobjectJa
lookupsarrayJa
reportobjectJa
Vollständiges Eingabeschema anzeigen
{
  "type": "object",
  "properties": {
    "glyphs": {
      "type": "array",
      "items": {
        "type": [
          "integer",
          "null"
        ],
        "minimum": 0,
        "maximum": 65535
      },
      "minItems": 0,
      "maxItems": 12
    },
    "top_lookup": {
      "type": "object",
      "properties": {
        "flags": {
          "const": 0
        },
        "rules": {
          "type": "array",
          "items": {
            "anyOf": [
              {
                "type": "object",
                "properties": {
                  "input": {
                    "type": [
                      "array",
                      "null"
                    ],
                    "items": {
                      "type": [
                        "integer",
                        "null"
                      ],
                      "minimum": 0,
                      "maximum": 65535
                    },
                    "minItems": 2,
                    "maxItems": 4
                  },
                  "records": {
                    "type": [
                      "array",
                      "null"
                    ],
                    "items": {
                      "anyOf": [
                        {
                          "type": "object",
                          "properties": {
                            "sequence_index": {
                              "type": [
                                "integer",
                                "null"
                              ],
                              "minimum": 0,
                              "maximum": 3
                            },
                            "lookup_index": {
                              "type": [
                                "integer",
                                "null"
                              ],
                              "minimum": 0,
                              "maximum": 5
                            }
                          },
                          "required": [
                            "sequence_index",
                            "lookup_index"
                          ],
                          "additionalProperties": false
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "minItems": 0,
                    "maxItems": 2
                  }
                },
                "required": [
                  "backtrack",
                  "input",
                  "lookahead",
                  "records"
                ],
                "additionalProperties": {
                  "type": [
                    "array",
                    "null"
                  ],
                  "items": {
                    "type": [
                      "integer",
                      "null"
                    ],
                    "minimum": 0,
                    "maximum": 65535
                  },
                  "minItems": 0,
                  "maxItems": 2
                },
                "propertyNames": {
                  "enum": [
                    "backtrack",
                    "input",
                    "lookahead",
                    "records"
                  ]
                }
              },
              {
                "type": "null"
              }
            ]
          },
          "minItems": 0,
          "maxItems": 4
        }
      },
      "required": [
        "flags",
        "rules"
      ],
      "additionalProperties": false
    },
    "lookups": {
      "type": "array",
      "items": {
        "anyOf": [
          {
            "type": "object",
            "properties": {
              "kind": {
                "const": "single"
              },
              "flags": {
                "const": 0
              },
              "rules": {
                "type": [
                  "array",
                  "null"
                ],
                "items": {
                  "anyOf": [
                    {
                      "type": "object",
                      "required": [
                        "from",
                        "to"
                      ],
                      "additionalProperties": {
                        "type": [
                          "integer",
                          "null"
                        ],
                        "minimum": 0,
                        "maximum": 65535
                      },
                      "propertyNames": {
                        "enum": [
                          "from",
                          "to"
                        ]
                      }
                    },
                    {
                      "type": "null"
                    }
                  ]
                },
                "minItems": 0,
                "maxItems": 4
              }
            },
            "required": [
              "kind",
              "flags",
              "rules"
            ],
            "additionalProperties": false
          },
          {
            "type": "object",
            "properties": {
              "kind": {
                "const": "ligature"
              },
              "flags": {
                "const": 0
              },
              "rules": {
                "type": [
                  "array",
                  "null"
                ],
                "items": {
                  "anyOf": [
                    {
                      "type": "object",
                      "properties": {
                        "components": {
                          "type": [
                            "array",
                            "null"
                          ],
                          "items": {
                            "type": [
                              "integer",
                              "null"
                            ],
                            "minimum": 0,
                            "maximum": 65535
                          },
                          "minItems": 2,
                          "maxItems": 2
                        },
                        "to": {
                          "type": [
                            "integer",
                            "null"
                          ],
                          "minimum": 0,
                          "maximum": 65535
                        }
                      },
                      "required": [
                        "components",
                        "to"
                      ],
                      "additionalProperties": false
                    },
                    {
                      "type": "null"
                    }
                  ]
                },
                "minItems": 0,
                "maxItems": 4
              }
            },
            "required": [
              "kind",
              "flags",
              "rules"
            ],
            "additionalProperties": false
          }
        ]
      },
      "minItems": 0,
      "maxItems": 6
    },
    "report": {
      "type": "object",
      "properties": {
        "glyphs": {
          "type": "object",
          "properties": {
            "known": {
              "type": "boolean"
            },
            "value": {
              "type": "array",
              "items": {
                "type": "integer",
                "minimum": 0,
                "maximum": 65535
              },
              "minItems": 0,
              "maxItems": 16
            }
          },
          "required": [
            "known",
            "value"
          ],
          "additionalProperties": false
        },
        "events": {
          "type": "object",
          "properties": {
            "known": {
              "type": "boolean"
            },
            "value": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "kind": {
                    "enum": [
                      "no_match",
                      "context_match",
                      "substituted",
                      "no_substitution",
                      "stale_skip",
                      "resume"
                    ]
                  },
                  "rule": {
                    "type": [
                      "integer",
                      "null"
                    ],
                    "minimum": 0,
                    "maximum": 3
                  },
                  "record": {
                    "type": [
                      "integer",
                      "null"
                    ],
                    "minimum": 0,
                    "maximum": 1
                  },
                  "cursor": {
                    "type": [
                      "integer",
                      "null"
                    ],
                    "minimum": 0,
                    "maximum": 12
                  },
                  "sequence_index": {
                    "type": [
                      "integer",
                      "null"
                    ],
                    "minimum": 0,
                    "maximum": 3
                  },
                  "lookup": {
                    "type": [
                      "integer",
                      "null"
                    ],
                    "minimum": 0,
                    "maximum": 5
                  },
                  "operation": {
                    "enum": [
                      "single",
                      "ligature",
                      null
                    ]
                  },
                  "before": {
                    "type": "array",
                    "items": {
                      "type": "integer",
                      "minimum": 0,
                      "maximum": 65535
                    },
                    "minItems": 0,
                    "maxItems": 4
                  },
                  "after": {
                    "type": "array",
                    "items": {
                      "type": "integer",
                      "minimum": 0,
                      "maximum": 65535
                    },
                    "minItems": 0,
                    "maxItems": 4
                  },
                  "input_end": {
                    "type": "integer",
                    "minimum": 0,
                    "maximum": 12
                  }
                },
                "required": [
                  "kind",
                  "rule",
                  "record",
                  "cursor",
                  "sequence_index",
                  "lookup",
                  "operation",
                  "before",
                  "after",
                  "input_end"
                ],
                "additionalProperties": false
              },
              "minItems": 0,
              "maxItems": 40
            }
          },
          "required": [
            "known",
            "value"
          ],
          "additionalProperties": false
        }
      },
      "required": [
        "glyphs",
        "events"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "glyphs",
    "top_lookup",
    "lookups",
    "report"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Originalschema öffnen

Veröffentlichtes Eingabebeispiel

{
  "glyphs": [],
  "top_lookup": {
    "flags": 0,
    "rules": [
      null
    ]
  },
  "lookups": [
    {
      "kind": "single",
      "flags": 0,
      "rules": null
    }
  ],
  "report": {
    "glyphs": {
      "known": true,
      "value": []
    },
    "events": {
      "known": true,
      "value": []
    }
  }
}

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Quelle dieser Seite: der veröffentlichte HALOWERK-Katalog. Stand: 2026-11-07, 02:42 UTC.

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